Download - four seasons hotel - bms specification 040309ashdowncontrols.wdfiles.com/local--files/specifications/four... · Four Seasons Hotel Park Lane, ... Four Seasons Hotel, Park Lane, London

Four Seasons Hotel Park Lane, London

BMS Specification

Reference No: 07/105

Date: January 2009

Rev: BA

i.d.a.

BUILDING SERVICES CONSULTING ENGINEERS

Thames House 30 High Street

Kingston-upon-Thames Surrey

KT1 1HL Tel: + 44 (0)20 8241 2076 Fax: + 44 (0)20 8241 2164

Four Seasons Hotel, Park Lane, London

BMS Specification - of 137

REVISIONS

REVISION PREPARED BY:

Gary Hall

CHECKED BY:

John McIntosh

APPROVED BY:

Philip Davies

00 ISSUE DATE: 15/01/09

ISSUED TO: Beck Interiors

PURPOSE OF ISSUE:

Costing Purposes


David Glossop

CHECKED BY:

John McIntosh

APPROVED BY:

Philip Davies

A ISSUE DATE: 27/01/09


PURPOSE OF ISSUE: Costing Purposes


David Glossop

CHECKED BY:

Philip Davies

APPROVED BY:

B ISSUE DATE: 5/03/2009


PURPOSE OF ISSUE: Costing Purposes


CHECKED BY:

APPROVED BY:

ISSUE DATE:

ISSUED TO:

PURPOSE OF ISSUE:



CONTENTS 1 GENERAL ...................................................................................................................... 10

1.1 Introduction ............................................................................................................. 10 1.2 Standards ............................................................................................................... 10 1.3 Project Overview .................................................................................................... 11 1.4 BMS Scope of Works ............................................................................................. 11

2 TECHNICAL REQUIREMENTS .................................................................................... 12 2.1 General ................................................................................................................... 12 2.2 Qualifications for Tender Submittal ........................................................................ 13 2.3 Information to be Submitted for Comment .............................................................. 13 2.4 BMS Architecture .................................................................................................... 14

2.4.1 Overall Description .......................................................................................... 14 2.4.2 General ............................................................................................................ 14 2.4.3 Network ........................................................................................................... 15 2.4.4 Third-Party Interfaces ...................................................................................... 15 2.4.5 Uninterruptible Power Supply (UPS) ............................................................... 16 2.4.6 Power Fail/Auto Restart .................................................................................. 16 2.4.7 Downloading and Uploading ........................................................................... 16

2.5 Operator PCs .......................................................................................................... 16 2.6 Servers ................................................................................................................... 17 2.7 Operator Interface .................................................................................................. 18

2.7.1 General ............................................................................................................ 18 2.7.2 Navigation Trees ............................................................................................. 19 2.7.3 Dividable Display Screens ............................................................................... 19 2.7.4 Alarms ............................................................................................................. 19 2.7.5 Reports ............................................................................................................ 20 2.7.6 Dynamic Colour Graphics ............................................................................... 20 2.7.7 Schedules ........................................................................................................ 21 2.7.8 Historical Trending and Data Collection .......................................................... 21 2.7.9 Paging ............................................................................................................. 22

2.8 Intelligent Controllers or Outstations ...................................................................... 22 2.9 Point Capability ....................................................................................................... 23 2.10 Spare Point Capacity .............................................................................................. 24 2.11 Expansion ............................................................................................................... 24 2.12 Distributed Processing ............................................................................................ 24 2.13 System Networking ................................................................................................. 24 2.14 Field Devices .......................................................................................................... 24

2.14.1 Sensors ........................................................................................................... 24 2.15 Control Valves ........................................................................................................ 26

2.15.1 General ............................................................................................................ 26 2.15.2 Construction .................................................................................................... 26 2.15.3 Three-Port Control Valves ............................................................................... 27 2.15.4 Two-Port Control Valves ................................................................................. 27 2.15.5 Terminal Unit Control Valves ........................................................................... 27 2.15.6 Two-Port Isolation Valves ................................................................................ 28 2.15.7 Solenoid Valves ............................................................................................... 28

2.16 Control Dampers .................................................................................................... 28 2.17 Actuators ................................................................................................................ 28

3 PARTICULAR REQUIREMENTS .................................................................................. 30 3.1 Scope/Interface ...................................................................................................... 30 3.2 Hotel Management System .................................................................................... 31

3.2.1 General ............................................................................................................ 31 3.2.2 Lift Monitoring .................................................................................................. 31



3.3 Electrical Metering Monitoring ................................................................................ 31 3.4 Metering Monitoring (General) ................................................................................ 32 3.5 UPS System Monitoring ......................................................................................... 32 3.6 Chilled Water System ............................................................................................. 32

3.6.1 Chillers ............................................................................................................ 32 3.6.2 CHW Primary Pumps ...................................................................................... 33 3.6.3 CHW Secondary Pumps (Ground, First & AHU Circuit) .................................. 34 3.6.4 CHW Secondary Pumps (Bedroom Circuit) .................................................... 36 3.6.5 CHW Pressurisation Sets ................................................................................ 37

3.7 Condenser Water System ...................................................................................... 37 3.7.1 Dry Air Coolers ................................................................................................ 37 3.7.2 Condenser Water Pumps ................................................................................ 38 3.7.3 Condenser Water Pressurisation Set .............................................................. 39

3.8 LTHW System ........................................................................................................ 40 3.8.1 Boilers ............................................................................................................. 40 3.8.2 LTHW Primary Pumps ..................................................................................... 41 3.8.3 LTHW Secondary Pumps (Circuit A) ............................................................... 42 3.8.4 LTHW Secondary Pumps (Circuit B) ............................................................... 43 3.8.5 LTHW Secondary Pumps (Circuit C) ............................................................... 45 3.8.6 LTHW Secondary Pumps (Circuit D) ............................................................... 46 3.8.7 LTHW Secondary Pumps (Circuit E – Calorifiers) ........................................... 48 3.8.8 LTHW Pressurisation Sets .............................................................................. 49

3.9 Public Health & Domestic Services ........................................................................ 49 3.9.1 Potable Water (Hard) Storage Tank ................................................................ 49 3.9.2 Potable Water (Hard) Booster Set ................................................................... 50 3.9.3 Potable Water (Softened) Storage Tank ......................................................... 50 3.9.4 Potable Water (Softened) Booster Sets .......................................................... 50 3.9.5 Irrigation System Booster Set .......................................................................... 51 3.9.6 Grease Trap Booster Set ................................................................................ 51 3.9.7 Loading Dock Wash down Booster Set ........................................................... 52 3.9.8 Warning Pipe Alarm System ........................................................................... 52 3.9.9 Water Meters ................................................................................................... 52 3.9.10 HWS System Circulators ................................................................................. 52 3.9.11 Basement Sump Pumps .................................................................................. 53 3.9.12 Ground Floor Vacuum Waste Hot Water Pump .............................................. 53 3.9.13 Water Douche ................................................................................................. 53 3.9.14 Packaged Water System for Spa and Drench Shower.................................... 54 3.9.15 Packaged Water System for Window Wash. ................................................... 54 3.9.16 Water Softening Plant ..................................................................................... 54 3.9.17 Bulk Salt Storage Tank .................................................................................... 55

3.10 Misting System ....................................................................................................... 55 3.10.1 Misting Storage Tank ...................................................................................... 55 3.10.2 Misting Pump Sets .......................................................................................... 55 3.10.3 Misting and Sprinkler Zone Test Pumps ........................................................ 56 3.10.4 Sprinkler Fire Service Zone Pumps ................................................................. 56

3.11 Combined Heating & Power (CHP) System ........................................................... 56 3.11.1 General ............................................................................................................ 56 3.11.2 Normal Operation ............................................................................................ 56 3.11.3 Emergency Operation ..................................................................................... 57 3.11.4 CHP Dry Air Cooler ......................................................................................... 57 3.11.5 CHP Condenser Pumps .................................................................................. 58

3.12 Ventilation System .................................................................................................. 59 3.12.2 FOH Ground Floor AHU .................................................................................. 60 3.12.3 FOH Ground Floor Humidifier ......................................................................... 62 3.12.4 BOH Basement and Ground Floor AHU .......................................................... 63



3.12.5 BOH Ground Floor & Mezzanine Extract Fan ................................................. 65 3.12.6 Communications Riser AHU ............................................................................ 66 3.12.7 Communications Riser Extract Fan ................................................................. 69 3.12.8 Laundry AHU ................................................................................................... 70 3.12.9 Laundry Extract Fan A ..................................................................................... 72 3.12.10 Laundry Dryer Extract Fan B ....................................................................... 73 3.12.11 Sub-Basement Plantroom AHU ................................................................... 74 3.12.12 Sub-Basement Plantroom Extract Fan ........................................................ 76 3.12.13 Basement Offices/Stores AHU .................................................................... 77 3.12.14 Basement BOH Offices & Stores Extract Fan.............................................. 80 3.12.15 CHP Plantroom Supply Fan ......................................................................... 81 3.12.16 CHP Plantroom Extract Fan ........................................................................ 82 3.12.17 Carpark Supply Fan ..................................................................................... 83 3.12.18 Carpark Extract Fan ..................................................................................... 85 3.12.19 Ground Floor Kitchen AHU .......................................................................... 86 3.12.20 Ground Floor Kitchen Extract Fan ............................................................... 88 3.12.21 First Floor Kitchen AHU ............................................................................... 90 3.12.22 First Floor Kitchen Extract Fan .................................................................... 92 3.12.23 Ballroom AHU .............................................................................................. 93 3.12.24 Ballroom Humidifier ..................................................................................... 95 3.12.25 First Floor FOH AHU ................................................................................... 96 3.12.26 First Floor FOH Humidifier ........................................................................... 98 3.12.27 10th Floor Spa AHU ...................................................................................... 99 3.12.28 10th Floor Spa Extract Fan ......................................................................... 102 3.12.29 Spa Pool AHU ............................................................................................ 103 3.12.30 Spa Pool Extract Fan ................................................................................. 105 3.12.31 Guestroom Fresh Air Supply (North) AHU ................................................. 106 3.12.32 Guestroom Extract (North) Fan ................................................................. 109 3.12.33 Guestroom Fresh Air Supply (South) AHU ................................................ 110 3.12.34 Guestroom Extract (South) Fan ................................................................. 112 3.12.35 Public Toilets Extract Fan (First Floor) ...................................................... 113 3.12.36 Basement BOH Extract Fan ...................................................................... 114 3.12.37 Basement Toilets & Changing Areas Extract Fan ...................................... 115 3.12.38 Mezzanine Toilets Extract Fan .................................................................. 116 3.12.39 Toilets (10th Floor) Extract Fan .................................................................. 117 3.12.40 Overdoor Heaters ...................................................................................... 117

3.13 Spa Pool Systems ................................................................................................ 117 3.13.1 Steam and Sauna Rooms ............................................................................. 118

3.14 Miscellaneous Systems ........................................................................................ 118 3.14.1 10th Floor Underfloor Heating ........................................................................ 118 3.14.2 Basement Computer Room DX Unit ............................................................. 118 3.14.3 Basement Substation Downflow Units .......................................................... 119 3.14.4 Basement LV/UPS Room Downflow Units .................................................... 120 3.14.5 Basement Emergency Lighting Inverter Room Downflow Units .................... 120 3.14.6 Basemnet Computer Room Downflow Units ................................................. 120 3.14.7 Ground Floor AV Room Downflow Unit ......................................................... 120 3.14.8 First Floor IT/AV Room Downflow Unit .......................................................... 121 3.14.9 Tenth Floor Comms Room Downflow Unit .................................................... 121 3.14.10 Kitchen Cooler & Freezer .......................................................................... 121 3.14.11 Irrigation Systems ...................................................................................... 121

3.15 Plant and Gas Safety Systems ............................................................................. 122 3.15.1 Plantroom Emergency Controls .................................................................... 122 3.15.2 Local Emergency Stop Controls .................................................................... 122 3.15.3 Master Gas Supply Shut-Off ......................................................................... 122 3.15.4 Gas Boosters ................................................................................................. 122



3.15.5 Boiler Gas Supply Shut-Off ........................................................................... 122 3.15.6 Gas Detection System ................................................................................... 123 3.15.7 Refrigerant Gas Detection System ................................................................ 123 3.15.8 Kitchen Emergency Controls ......................................................................... 123

3.16 Life Safety Systems .............................................................................................. 123 3.16.1 Fire Alarm Interfacing .................................................................................... 123 3.16.2 Spa Area post fire Smoke Removal System ................................................. 124 3.16.3 Gas Suppression System .............................................................................. 124

3.17 Gas Extract Fans .................................................................................................. 124 3.18 MCC Panels ......................................................................................................... 124 3.19 Appendices ........................................................................................................... 133

3.19.1 Drawing list .................................................................................................... 133 3.19.2 MCC Schedules ............................................................................................ 137

1 GENERAL ........................................................................................................................ 7 1.1 Introduction ............................................................................................................... 7 1.2 Standards ................................................................................................................. 7 1.3 Project Overview ...................................................................................................... 8 1.4 BMS Scope of Works ............................................................................................... 8

2 TECHNICAL REQUIREMENTS ...................................................................................... 9 2.1 General ..................................................................................................................... 9 2.2 Qualifications for Tender Submittal ........................................................................ 10 2.3 Information to be Submitted for Comment .............................................................. 10 2.4 BMS Architecture .................................................................................................... 11

2.4.1 Overall Description .......................................................................................... 11 2.4.2 General ............................................................................................................ 11 2.4.3 Network ........................................................................................................... 12 2.4.4 Third-Party Interfaces ...................................................................................... 12 2.4.5 Uninterruptible Power Supply (UPS) ............................................................... 13 2.4.6 Power Fail/Auto Restart .................................................................................. 13 2.4.7 Downloading and Uploading ........................................................................... 13

2.5 Operator PCs .......................................................................................................... 13 2.6 Servers ................................................................................................................... 14 2.7 Operator Interface .................................................................................................. 15

2.7.1 General ............................................................................................................ 15 2.7.2 Navigation Trees ............................................................................................. 16 2.7.3 Dividable Display Screens ............................................................................... 16 2.7.4 Alarms ............................................................................................................. 16 2.7.5 Reports ............................................................................................................ 17 2.7.6 Dynamic Colour Graphics ............................................................................... 17 2.7.7 Schedules ........................................................................................................ 18 2.7.8 Historical Trending and Data Collection .......................................................... 18 2.7.9 Paging ............................................................................................................. 19

2.8 Intelligent Controllers or Outstations ...................................................................... 19 2.9 Point Capability ....................................................................................................... 20 2.10 Spare Point Capacity .............................................................................................. 20 2.11 Expansion ............................................................................................................... 21 2.12 Distributed Processing ............................................................................................ 21 2.13 System Networking ................................................................................................. 21 2.14 Field Devices .......................................................................................................... 21

2.14.1 Sensors ........................................................................................................... 21 2.15 Control Valves ........................................................................................................ 22

2.15.1 General ............................................................................................................ 23 2.15.2 Construction .................................................................................................... 23 2.15.3 Three-Port Control Valves ............................................................................... 23 2.15.4 Two-Port Control Valves ................................................................................. 23



2.15.5 Terminal Unit Control Valves ........................................................................... 24 2.15.6 Two-Port Isolation Valves ................................................................................ 24 2.15.7 Solenoid Valves ............................................................................................... 24

2.16 Control Dampers .................................................................................................... 25 2.17 Actuators ................................................................................................................ 25

3 PARTICULAR REQUIREMENTS .................................................................................. 27 3.1 Scope/Interface ...................................................................................................... 27 3.2 Hotel Management System .................................................................................... 28

3.2.1 General ............................................................................................................ 28 3.2.2 Lift Monitoring .................................................................................................. 28

3.3 Electrical Metering Monitoring ................................................................................ 28 3.4 Metering Monitoring (General) ................................................................................ 29 3.5 UPS System Monitoring ......................................................................................... 29 3.6 Chilled Water System ............................................................................................. 29

3.6.1 Chillers ............................................................................................................ 29 3.6.2 CHW Primary Pumps ...................................................................................... 30 3.6.3 CHW Secondary Pumps (Ground, First & AHU Circuit) .................................. 31 3.6.4 CHW Secondary Pumps (Bedroom Circuit) .................................................... 33 3.6.5 CHW Pressurisation Sets ................................................................................ 34

3.7 Condenser Water System ...................................................................................... 34 3.7.1 Dry Air Coolers ................................................................................................ 34 3.7.2 Condenser Water Pumps ................................................................................ 35 3.7.3 Condenser Water Pressurisation Set .............................................................. 36

3.8 LTHW System ........................................................................................................ 37 3.8.1 Boilers ............................................................................................................. 37 3.8.2 LTHW Primary Pumps ..................................................................................... 38 3.8.3 LTHW Secondary Pumps (Circuit A) ............................................................... 39 3.8.4 LTHW Secondary Pumps (Circuit B) ............................................................... 40 3.8.5 LTHW Secondary Pumps (Circuit C) ............................................................... 41 3.8.6 LTHW Secondary Pumps (Circuit D) ............................................................... 43 3.8.7 LTHW Secondary Pumps (Circuit E – Calorifiers) ........................................... 44 3.8.8 LTHW Pressurisation Sets .............................................................................. 46

3.9 Public Health & Domestic Services ........................................................................ 46 3.9.1 Potable Water (Hard) Storage Tank ................................................................ 46 3.9.2 Potable Water (Hard) Booster Set ................................................................... 47 3.9.3 Potable Water (Softened) Storage Tank ......................................................... 47 3.9.4 Potable Water (Softened) Booster Sets .......................................................... 47 3.9.5 Irrigation System Booster Set .......................................................................... 48 3.9.6 Grease Trap Booster Set ................................................................................ 48 3.9.7 Loading Dock Washdown Booster Set ............................................................ 49 3.9.8 Warning Pipe Alarm System ........................................................................... 49 3.9.9 Water Meters ................................................................................................... 49 3.9.10 HWS System Circulators ................................................................................. 49 3.9.11 Basement Sump Pumps .................................................................................. 50

3.10 Misting System ....................................................................................................... 50 3.10.1 Misting Storage Tank ...................................................................................... 50 3.10.2 Misting Pump Sets .......................................................................................... 50

3.11 Combined Heating & Power (CHP) System ........................................................... 51 3.11.1 General ............................................................................................................ 51 3.11.2 Normal Operation ............................................................................................ 51 3.11.3 Emergency Operation ..................................................................................... 52 3.11.4 CHP Dry Air Cooler ......................................................................................... 52 3.11.5 CHP Condenser Pumps .................................................................................. 53

3.12 Ventilation System .................................................................................................. 54 3.12.2 FOH Ground Floor AHU .................................................................................. 55



3.12.3 FOH Ground Floor Humidifier ......................................................................... 57 3.12.4 BOH Basement and Ground Floor AHU .......................................................... 58 3.12.5 BOH Ground Floor & Mezzanine Extract Fan ................................................. 60 3.12.6 Communications Riser AHU ............................................................................ 61 3.12.7 Communications Riser Extract Fan ................................................................. 63 3.12.8 Laundry AHU ................................................................................................... 64 3.12.9 Laundry Extract Fan A ..................................................................................... 66 3.12.10 Laundry Dryer Extract Fan B ....................................................................... 67 3.12.11 Sub-Basement Plantroom AHU ................................................................... 69 3.12.12 Sub-Basement Plantroom Extract Fan ........................................................ 71 3.12.13 Basement Offices/Stores AHU .................................................................... 72 3.12.14 Basement BOH Offices & Stores Extract Fan.............................................. 74 3.12.15 CHP Plantroom Supply Fan ......................................................................... 75 3.12.16 CHP Plantroom Extract Fan ........................................................................ 76 3.12.17 Carpark Supply Fan ..................................................................................... 77 3.12.18 Carpark Extract Fan ..................................................................................... 79 3.12.19 Ground Floor Kitchen AHU .......................................................................... 80 3.12.20 Ground Floor Kitchen Extract Fan ............................................................... 82 3.12.21 First Floor Kitchen AHU ............................................................................... 83 3.12.22 First Floor Kitchen Extract Fan .................................................................... 85 3.12.23 Ballroom AHU .............................................................................................. 86 3.12.24 Ballroom Humidifier ..................................................................................... 88 3.12.25 First Floor FOH AHU ................................................................................... 89 3.12.26 First Floor FOH Humidifier ........................................................................... 91 3.12.27 10th Floor Spa AHU ...................................................................................... 92 3.12.28 10th Floor Spa Extract Fan ........................................................................... 94 3.12.29 Spa Pool AHU .............................................................................................. 95 3.12.30 Spa Pool Extract Fan ................................................................................... 97 3.12.31 Guestroom Fresh Air Supply (North) AHU ................................................... 98 3.12.32 Guestroom Extract (North) Fan ................................................................. 100 3.12.33 Guestroom Fresh Air Supply (South) AHU ................................................ 101 3.12.34 Guestroom Extract (South) Fan ................................................................. 103 3.12.35 Public Toilets Extract Fan (First Floor) ...................................................... 104 3.12.36 Basement BOH Extract Fan ...................................................................... 105 3.12.37 Basement Toilets & Changing Areas Extract Fan ...................................... 106 3.12.38 Mezzanine Toilets Extract Fan .................................................................. 107 3.12.39 Toilets (10th Floor) Extract Fan .................................................................. 107 3.12.40 Overdoor Heaters ...................................................................................... 108

3.13 Spa Pool Systems ................................................................................................ 108 3.13.1 Steam and Sauna Rooms ............................................................................. 108

3.14 Miscellaneous Systems ........................................................................................ 109 3.14.1 10th Floor Underfloor Heating ........................................................................ 109 3.14.2 Basement Computer Room DX Unit ............................................................. 109 3.14.3 Basement Substation Downflow Units .......................................................... 109 3.14.4 Basement LV/UPS Room Downflow Units .................................................... 109 3.14.5 Basement Emergency Lighting Inverter Room Downflow Units .................... 110 3.14.6 Basemnet Computer Room Downflow Units ................................................. 110 3.14.7 Ground Floor AV Room Downflow Unit ......................................................... 110 3.14.8 First Floor IT/AV Room Downflow Unit .......................................................... 110 3.14.9 Tenth Floor Comms Room Downflow Unit .................................................... 111 3.14.10 Kitchen Cooler & Freezer .......................................................................... 111 3.14.11 Irrigation Systems ...................................................................................... 111

3.15 Plant and Gas Safety Systems ............................................................................. 111 3.15.1 Plantroom Emergency Controls .................................................................... 111 3.15.2 Local Emergency Stop Controls .................................................................... 111



3.15.3 Master Gas Supply Shut-Off ......................................................................... 112 3.15.4 Gas Boosters ................................................................................................. 112 3.15.5 Boiler Gas Supply Shut-Off ........................................................................... 112 3.15.6 Gas Detection System ................................................................................... 112 3.15.7 Refrigerant Gas Detection System ................................................................ 112 3.15.8 Kitchen Emergency Controls ......................................................................... 113

3.16 Life Safety Systems .............................................................................................. 113 3.16.1 Fire Alarm Interfacing .................................................................................... 113 3.16.2 Spa Area post fire Smoke Removal System ................................................. 113

3.17 MCC Panels ......................................................................................................... 114 3.18 Appendices ........................................................................................................... 121

3.18.1 Drawing list .................................................................................................... 121 3.18.2 MCC Schedules ............................................................................................ 125



1 GENERAL 1.1 Introduction This specification outlines the Technical and Particular requirements for the BMS package for the Four Seasons Hotel, Park Lane, London. It should be read in conjunction with all other specifications, equipment schedules and design documentation produced by ida for this project which together form a description of the requirements for the manufacture, supply and delivery to site, erection, testing, setting to work and commissioning of all relevant systems, equipment, accessories and controls. 1.2 Standards Installations standards The complete services installations and components shall, unless stated otherwise, comply with the following current standards and requirements where applicable:

• British standard specification (BS) and European standards (BS EN).

• British standard code of practice (BSCP).

• CIBSE guide to current practice.

• Institute of Electrical Engineers regulations (IEE) (BS7671).

• Institute of plumbing design guide (IOP).

• Water Regulations 1999.

• The Building Regulations.

• Loss prevention council (LPC).

• Local fire brigade requirements.

• Local by-laws and/or regulations.

• Manufacturer’s instructions and recommendations for installation and testing of specified equipment material.

• Gas Regulations.

• Health and safety at work act.

• CDM regulations.

• Electrical Supply Regulations 1988.

• Clean Air Acts.

• Four Seasons Hotels & Resorts Design Standards.



• Requirements of DDA.

• Sanitation BS/EN 12056 Pt 2.

• Rainwater BS/EN 12056 Pt 3.

• Sprinklers BS12845.

• Dry Riser BS 9990 (2006).

• Identification of pipe lines BS 1710.

• Temperature Valves BS 6283 Pt 2 1991.

• Internal water for domestic use BS6700 (2006).

• NFPA 1750.

• BRE Guide to water misting 2006.

• FIA COP for design and installation of misting systems (2008).

1.3 Project Overview The project involves the complete refurbishment of the Four Seasons Hotel located in Park Lane, which comprises sub-basement (-2) to 11th floors. The basement levels include car park, staff areas, toilets and various M&E plant rooms. Level 0 shall include entrance lobby, lounge, restaurants, new kitchen, bar and toilets. Level 1 shall include existing kitchen, conference /meeting rooms and ballroom. Levels 2 to 9 shall include a total of approximately 180 guest rooms comprising a mixture of en-suite bedrooms and suites and Royal Suite at level 9. Level 10 shall include Spa area, Waiting area, Early Arrivals, Gym and external M & E plant. Level 11 shall include various internal and external M & E plant rooms. 1.4 BMS Scope of Works The scope of works for the BMS Contract includes:

a. Design, supply, installation, testing and commissioning of all hardware (including but not necessarily limited to, BMS outstations, valves, actuators and sensors), software, controls wiring and containment to field devices and plant from control enclosures/MCCs for the BMS.

b. Transportation, off-loading, craneage and moving into position of all of the above.

c. Factory test control panels and issue full Test Reports and Certificates.



d. Commission the complete system on site to an agreed programme.

e. Services visits at 6 and 12 months after commissioning.

f. Warranty the works for 12 months from date of issue of the Certificate of Practical Completion.

g. Provide details and drawings defined in the Preliminaries section.

h. Provide Operating & Maintenance (O&M) documentation, as defined in the

Preliminaries section.

i. Provide one original set of application and system software on original media. Disks to bear manufacturers label.

j. Original issue copies of software to include operating systems, custom programming

language, application generation, graphic support, maintenance support, operator workstation or web server software, and other utilities provided in support of installed system.

k. Include for closely leasing with the Fire Protection system Contractor, InnCom,

Mechanical and Electrical Works Contractors and all other associated Trade Contractors.

l. Instruct Employer’s Staff on operating and maintenance procedures. This shall

include instruction and training of not less than five (5) days during cooling season and five (5) days during heating season.

m. Prior to Practical Completion of the Project, the Trade Contractor shall carry out a full

clean of the works. 2 TECHNICAL REQUIREMENTS 2.1 General The Contractor shall supply and install an intelligent micro-processor based direct digital control system (DDC). Acceptable providers include: Honeywell (Excel 5000), Johnson Controls (Metasys) and Siemens Building Technologies (Apogee). The BMS is to include a high-speed, peer-to-peer network of microcomputer based Direct Digital Control (DDC) controllers with web-based operator interface. The Contractor shall furnish all materials, including all computer hardware and software, operator input / output peripherals, field hardware panels, sensors and field control devices, power wiring and containment, control wiring and containment and O & M documentation. The Contractor shall be responsible for design, engineering, supervision of installation, labour services, system calibration, software programming, system checkout, commissioning and demonstrating, all necessary to provide a complete and fully operational system as specified. The hardware supplied shall consist of physical components that are built to established industry standards, which support the communications scheme of this system and do not require customisation to meet the requirements of the Specification.



All hardware and software provided under this Contract normally shall be held in the inventory of both the manufacturer and the installing Contractor and shall be considered items of standard manufacture. Devices that are currently out of production or are being phased out of production within a twenty-four month period from the date of this document shall not be considered for this project. 2.2 Qualifications for Tender Submittal The Contractor shall have a minimum of five years experience in the design, engineering, installation and programming of micro-processor based building control systems and should have completed five projects of similar complexity within the preceding five years, employing certified controls engineers and technicians experienced in this type of work. The Contractor shall submit a project organisation chart detailing the experience and qualifications of the personnel to be involved. The following technical information shall be submitted for the Engineer’s review at Tender stage:

a. Network schematic (detailing all computer hardware, interfaces, locations and cable specification).

b. Equipment Schedule (listing computer hardware and software, control sensors and

devices).

c. Motor Control Panel Schedule (listing panel specification, switchgear, switches, lamps and all other equipment being provided).

d. Electrical Installation Schedule (listing for both power and control cables, the

proposed method of containment and cable type used). 2.3 Information to be Submitted for Comment The following information shall be submitted for the Engineer’s comment, prior to manufacture and installation:

a. Motor control panel layouts and wiring diagrams.

b. Controls description of operation.

c. Controller flow diagrams.

d. Network schematic.

e. Front-end colour graphics pages.

f. Technical details of panel-mounted equipment.

g. Control valve schedule (differential pv, kv, kvs, Pv, DN, differential pmax valve, differential pmax actuator).

h. Schedule of proposed set-point values.



i. Schedule of alarms and priorities (text, actions following).

j. Schedule of limit values.

k. Schedule of password settings.

l. Commissioning method statement.

m. Completed commissioning point checklist, prior to demonstration.

n. Specification of front-end terminal equipment.

o. BMS Input / Output point schedule. 2.4 BMS Architecture 2.4.1 Overall Description The BMS shall be designed entirely for use on intranets and internets. All networking technology used at the Tier I level shall be off-the-shelf, industry standard technology fully compatible with other owner provided networks in the facility. The architecture of the BMS shall be modular permitting stepped expansion of application software, system peripherals and field hardware. All aspects of the user interface, whether to servers or to Tier 1 solid state devices, shall be via browsers. Any PC’s used as operator interface points shall not require the purchase of any special software from the manufacturer in order to provide the complete user interface as described herein. The user interface will be complete, as described herein, providing complete tool sets, operational features, multi-panel displays and other display features. Systems which merely provide HTML based web pages as the operator interface will not be acceptable. The primary components of the system will be the Primary Application Nodes and Servers located at the highest level of the network architecture. Both will use the same user interface and provide the same level of accessibility via the network. The only distinction between the user interface used on servers, as compared to Primary Application Nodes, will be select menu items used for accessing long-term storage features on the servers or on their respective archive devices (CD / RW, etc.). 2.4.2 General The BMS shall consist of a number of Nodes and associated equipment connected by industry standard network practices. All communication between Nodes shall be by digital means only. The BMS network shall, at minimum, comprise of the following:

a. Operator PC’s – fixed or portable.

b. Network processing, data storage and communication equipment, including file servers.

c. Routers, bridges, switches, hubs, modems and the like communications equipment.



d. Active processing Nodes including field panels.

e. Intelligent and addressable elements and end devices.

f. Third-party equipment interfaces.

g. Other components required for a complete and working BMS.

All BMS features shall be accessible via Enterprise Intranet and Internet browser with equivalent BMS access control for user access. The BMS shall support auto-dial / auto-answer communications to allow BMS Nodes to communicate with other remote BMS Nodes via standard telephone lines. Where no preference is indicated, DSL is the preferred grade. The PC Workstations, File servers and principal network equipment shall be standard products of recognised major manufacturers available through normal PC vendor channels. “Clones” are not acceptable. Provide licenses for all software residing in the BMS system and transfer these licenses to the Owner, prior to completion. 2.4.3 Network The BMS shall incorporate a primary Tier I network. At the Contractor’s option, the BMS may also incorporate integrated secondary Tier II and tertiary Tier III networks. The BMS Network shall utilise an open architecture capable of all of the following:

a. Utilising standard Ethernet communications and operate at a minimum speed of 10 / 100 Mb/sec.

b. Connecting via BACnet at the Tier I level in accordance with ANSI / ASHRAE

Standard 135-2001.

c. Connecting via LonMark as per ANS / EIA 709 (LonWorks) to LonMark FFT-10 transceivers at the Tier II level.

The BMS network shall support both copper and optical fibre communication media. 2.4.4 Third-Party Interfaces 2.4.4.1 General BMS Contractor shall integrate real-time data from systems supplied by other trades. The BMS system shall include necessary BMS hardware equipment and software to allow data communications between the BMS system and systems supplied by other trades. The Trade Contractor supplying other systems will provide their necessary hardware and software and will co-operate fully with the BMS Contractor in a timely manner at their cost to ensure complete data integration.



2.4.4.2 InnCom System BMS Contractor shall integrate real-time data from systems supplied by the InnCom technical room management system. The InnCom central computer shall be installed the Hotel Engineers office in the basement. The BMS system shall include necessary BMS hardware equipment and software to allow data communications between the BMS system and the InnCom room management system. The Contractor supplying the InnCom room management system will provide their necessary hardware and software and will co-operate fully with the BMS Contractor in a timely manner at their cost to ensure complete data integration. 2.4.5 Uninterruptible Power Supply (UPS) The interface PC’s, servers and other equipment shall be provided with a suitable UPS. The UPS shall be sized for 50% spare capacity. The UPS shall be complete with batteries, external bypass and line conditioning equipment. 2.4.6 Power Fail/Auto Restart Provide for the automatic orderly and pre-defined shutdown of parts or all of the BMS following total loss of power to parts or all of the BMS. Provide for automatic orderly and pre-defined start-up of parts or all of the BMS following total loss of power to those parts or all of the BMS. Archive and annunciate time and details of restoration. Provide for the orderly and pre-defined scheduling of controlled return to normal, automatically time scheduled, operation of controlled equipment as a result of the auto-re-start process. Maintain the BMS real-time clock operation during periods of power outage for a minimum of 72 hours. 2.4.7 Downloading and Uploading Provide the capability to generate BMS software-based sequences, database items and associated operational definition information and user-required revisions to same at any Operator PC and the means to download same to the associated Application Node. Application software tool used for the generation of custom logic sequences shall be resident in both the Application Node and the server(s) where indicated. Provide the capability to upload BMS operating software information, database items, sequences and alarms to the designated server. 2.5 Operator PCs The Operator PC (PC’s) shall provide the primary means of communication with the BMS and shall be used for operations, engineering, management, audit, reporting and other related functions.



The PC’s shall consist of fixed and portable units. The fixed units shall consist of installed PC-based configurations. The portable units shall consist of PC Laptop, or similar designed unit, complete with keyboard, or similar entry / selection device, complete with display and communication arrangements. Each fixed PC shall, at minimum, consist of:

a. PC processor with minimum 64-bit word structure.

b. Hard drive or equal high-speed data storage.

c. Removable high-speed data storage and export device(s) such as Read / Write CD ROM, or equal.

d. Full ASCII keyboard and digital Mouse or equal pointing device.

e. Full colour, flat screen VDU display unit, minimum 17” diagonal screen, minimum

1280 x 1024 resolution, 0.26 or better dot pitch and minimum 72 Hz refresh rate.

f. Printers are as scheduled in the Particular Requirements. Printers shall be full colour as scheduled and designed for the functional requirements and duty of the application.

g. All fixed PC’s shall operate independently and concurrently without interference and

under individual user password protection.

h. PC’s functionality shall be individually definable by software means such that PC may be designated for specific limited users and may also be readily re-designated to provide back-up to other Workstations in the system.

i. Portable PC shall operate identically to the fixed PC.

j. Fixed or portable PC’s shall not require any special software to be purchased from

the BMS manufacturer. All actions required for the complete operator interface, as described herein, shall be accomplished through a common browser.

2.6 Servers The central server shall perform global application programs and data consolidation including communicating with controllers, obtaining data from field devices for central monitoring of building systems and transmitting instructions to controllers. The server shall have software routines for (but not limited to) : BMS server operation, database creation and storage, web based graphical user interface with generation and display of visual representations of building systems, report formulation, printing and presentation, alarm detection and reporting and event initiated programming. Access to all information on the server will be through the same user interface used to access individual nodes. When logged onto a server the operator will be able to also interact with any of the primary nodes in the facility. The hardware platform for servers will, at minimum, consist of:

a. PC processor with minimum 64-bit word structure.



b. Minimum 2 GHz processor speed.

c. Minimum 1 gigabyte on board ram.

d. Hard drive or equal high-speed data storage, minimum 50 gigabytes.

e. OS shall be Windows XP Professional.

f. Removable high-speed data storage and export device(s) such as Read / Write CD

ROM or approved equal.

g. Full ASCII keyboard and digital Mouse, or equal pointing device.

h. Full colour, flat screen VDU display unit, minimum 17” diagonal screen, minimum 1280 x 1024 resolution, 0.26 or better dot-pitch and minimum 72 Hz refresh rate.

2.7 Operator Interface 2.7.1 General The BMS Operator Interface shall be user-friendly, readily understood and shall make maximum use of colours, graphics, icons, embedded images, animation, test-based information and data visualisation techniques to enhance and simplify the use and understanding of the BMS by authorised users at the Workstation. It shall be possible to designate any PC on the Tier I network as an Operator Interface point. No special software shall be needed to be purchased from the BMS manufacturer for any such PC. User access to the BMS shall be protected by a flexible and Client re-definable software based password access protection. Password protection shall be multi-level and partitionable to accommodate the varied access requirements of the different user groups. The system shall provide the means to define unique access privileges for each individual authorised user. Also provide the means to establish general password groups to which an individual will then be assigned. Once assigned to the group, each individual will assume all the capabilities and restrictions of that group. Provide the means to on-line manage password access control under the control of a Master Password. The user interface shall be able to combine data from any and all of the system components in a single browser window. This shall include historical data stored on a server. The Operator Interface shall incorporate comprehensive support for functions including, but not necessarily limited to, the following:

a. User access for selective information retrieval and control command execution.

b. Monitoring and reporting.

c. Alarm, non-normal and return to normal condition annunciation.

d. Selective operator override and other control actions.

e. Information archiving, manipulation, formatting, display and reporting.



f. BMS internal performance supervision and diagnostics.

g. On-line access to user HELP menus.

h. On-line access to current BMS as-built records and documentation.

i. Means for the controlled re-programming, re-configuration of BMS operation and for

the manipulation of BMS database information in compliance with the prevailing codes, approvals and regulations for individual BMS applications.

Provide BMS reports and displays making maximised use of simple English language descriptions and readily understood acronyms, abbreviations and the like to assist user understanding and interpretation. All text naming conventions shall be consistent in their use and application throughout the BMS. All PC-based configurations shall operate on Microsoft Windows XP. Each fixed and portable PC shall be online configurable for specific applications, functions and groups of BMS points. 2.7.2 Navigation Trees The system will have the capability to display multiple navigation trees that will aid the operator in navigating throughout all systems and points connected. At minimum, provide a tree that identifies all systems on the networks. The system shall provide the ability for the operator to add custom trees. The operator will be able to define any logical grouping of systems or points and arrange them on the tree in any order. It shall be possible to nest groups within other groups. Provide, at minimum, five levels of nesting. The navigation trees shall be “dockable” to other displays in the user interface such as graphics. This means that the trees will appear as part of the display, but can be detached and then minimised to the Windows task bar or closed altogether. A simple keystroke will re-attach the navigation to the primary display of the user interface. 2.7.3 Dividable Display Screens It shall be possible for the operator to divide the display area within a single browser window into multiple display panels. The content of each display panel can be any of the standard summaries and graphics provided by the system. Provide each display panel with minimise, maximise and close icons. 2.7.4 Alarms Alarms shall be routed directly from primary application nodes to PC’s and servers. It shall be possible for specific alarms from specific points to be routed to specific PC’s and servers. The alarm management portion of the OWS software shall, at the minimum, provide the following functions:

a. Log date and time of alarm occurrence.



b. Generate a “Pop-Up” window with audible alarm, informing a user that an alarm has been received.

c. Allow a user, with the appropriate security level, to acknowledge, temporarily silence,

or discard an alarm.

d. Provide an audit trail on hard drive for alarms by recording user acknowledgement, deletion, or disabling of an alarm. The audit trail shall include the name of the user, the alarm, the action taken on the alarm and a time / date stamp.

e. Provide the ability to direct alarms to an e-mail address or alpha-numeric pager. This

must be provided in addition to the “pop-up” window described above. Systems which use e-mail and pagers as the exclusive means of annunciating alarms are not acceptable.

f. Any attribute of any object in the system may be designated to report an alarm.

The BMS shall annunciate diagnostic alarms indicating system failures and non-normal operating conditions. The BMS shall annunciate application alarms. 2.7.5 Reports Reports shall be generated and directed to one or more of the following: User interface displays, printers, or archive at the user’s option. As a minimum, the system shall provide the following reports:

a. All points in the BMS.

b. All points in each BMS application.

c. All points in a specific Application Node.

d. All points in a user-defined group of points.

e. All points currently in alarm in a BMS application.

f. All points locked out in a BMS application.

g. All BMS schedules.

h. All user-defined and adjustable variables, schedules, interlocks and the like.

i. BMS diagnostic and system status reports. Provide all applicable standard reports of the BMS manufacturer. Provide for the generation by the user of custom reports as specified in the Particular Requirements. 2.7.6 Dynamic Colour Graphics An unlimited number of graphic displays shall be able to be generated and executed.



Graphics shall be based on Scalar Vector Graphic (SVG) technology. Values of real-time attributes displayed on the graphics shall be dynamic and updated on the displays. The graphic displays shall be able to display and provide animation based on real-time BMS data that is acquired, derived, or entered. The user shall be able to change values (set points) and states in system controlled equipment directly from the graphic display. Provide a graphic editing tool that allows for the creation and editing of graphic files. It shall be possible to edit the graphics directly while they are on-line, or at an off-line location for later downloading to the Application Node. The BMS system shall be provided with a complete user expandable symbol library containing all of the basic symbols used to represent components of a typical BMS system. Implementing these symbols in a graphic shall involve dragging and dropping them from the library to the graphic. 2.7.7 Schedules The system shall provide multiple schedule input forms for automatic BMS time-of-day scheduling and override scheduling of BMS operations. At a minimum, the following spreadsheet types shall be accommodated:

a. Weekly schedules.

b. Temporary override schedules.

c. Special “Only Active if Today is a Holiday” schedules.

d. Monthly schedules. Schedules shall be provided for each system or sub-system in the BMS. Each schedule shall include all commandable points residing within the system. Each point may have a unique schedule of operation relative to the system use schedule, allowing for sequential starting and control of equipment within the system. Scheduling and re-scheduling of points shall be accomplished easily via the system schedule spreadsheets. Monthly calendars for a 12 month period shall be provided that allow for simplified scheduling of holidays and special days in advance. Holidays and special days shall be user selected with the pointing device or keyboard and shall automatically re-schedule equipment operation, as previously defined on the weekly schedules. 2.7.8 Historical Trending and Data Collection Trend and store point history data for all BMS points and values as selected by the user. The trend data shall be stored in a manner that allows custom queries and reports using industry-standard software tools. At a minimum, provide the capability to perform statistical functions on the historical database:



a. Average.

b. Arithmetic mean.

c. Maximum / minimum values.

d. Range – difference between minimum and maximum values.

e. Standard deviation.

f. Sum of all values.

g. Variance. 2.7.9 Paging Provide the means of automatic alpha-numeric paging of personnel for user-defined BMS events.

a. System shall support both numeric and alpha-numeric pagers, using Alpha-numeric, PET, or IXO Protocol at the owner’s option.

b. Users shall have the ability to modify the phone number or message to be displayed

on the pager through the system software.

c. System shall utilise pager schedules to send pages to the personnel that are “on-call”.

d. The Contractor shall be responsible for providing a modem for connection to the

paging service. 2.8 Intelligent Controllers or Outstations The controllers shall accept multiple combinations of point types for monitoring and control of building automation functions. Each controller is to operate with local closed loop programming independent from server if: peer to peer communication is interrupted, to perform resident control routines, receiving information from field mounted sensors and switches and transmitting instructions to actuators to perform control sequences, to manage local hardware and software alarms, to collect historical data, to facilitate operator input and output and to communicate with central BMS server and operator interface. Processing shall be a minimum of 32 bits in resolution with a minimum cycle time of one second. Controllers shall have a buffered RTC (Real Time Clock). Controllers shall provide standard energy management and control software. Main plant controllers shall be freely programmable to allow custom algorithms and control sequences. Unitary controllers may be application specific to meet the requirements specified. Standard energy management and control algorithms shall, as a minimum, include Pm PI, PID and PWM (Pulse Width Modulation) control; optimisation; historical logging; hours run logging; counter totalisation; alarm reporting; time and holiday programs; psychrometric state point calculations for absolute humidity, enthalpy, dew point temperature, logic gates and virtual addressing.



Proportional action only loops shall give 50% output at set point. Open loop control (flow or supply conditions) shall have proportional and integral actions. Closed loop control (return, room, extract conditions) shall have proportional action only. Configuration software shall be protected in flash RAM, buffered by a battery with a minimum support time of five years, or burnt on EEPROM. Analogue to digital conversion shall be a minimum of 12 bits in resolution. Controllers shall perform continuous diagnostics and any mal-function detected shall be alarmed at the front-end terminal or other man machine interface. Controllers shall have opto-isolated network interfaces. Controller hardware shall be capable of operating in the following environmental conditions:

0 – 40°C. 0 – 90% RH.

Where specified, controllers shall be provided with UPS units to buffer controller communication and operation. Where controllers are “free” issued to terminal unit manufacturers, the BMS Installer shall also “free” issue associated interface relays, transformers and thyristor controllers, as required. 2.9 Point Capability The system shall be capable of supporting the type and number of hardware points listed within the Particular Requirements. The system shall support all software points, programming blocks and macros necessary for the specified control functions. Controller point expansion transducers or digital multiplexers shall not result in loss of functionality or speed and allow full addressing capability as the point type designated within the Specification. Controllers shall have either dedicated, or universal inputs and outputs. Point types supported shall be digital input, digital output, pulse input, analogue input and analogue output. Digital output points shall be relay, or solid state triac rated for the voltage and current being switched. Panel-mounted controller’s digital output points shall not be used to switch low voltage 230V directly, this shall be achieved through interface relays. Analogue output points shall be 0 – 10V. Universal or dedicated analogue input points on each controller shall allow combinations of thermistor and RTD resistance inputs, as well as voltage and current input, such as 4 – 20 mA, 0 – 20 mA, 0 – 10V, 0 – 5V. Digital inputs shall monitor volt-free contacts only. Low voltage signals shall be input through interface relays.



Pulse inputs shall recognise the minimum duration and frequency of associated meter contacts for software cumulative counting purposes. 2.10 Spare Point Capacity Controllers shall be provided with a minimum quantity of 25% surplus of hardware points of each point type at the time of Tender. The distribution of these surplus points shall be equal among all point types. The system shall support software points, programming blocks and macros necessary for the hardware spare point capacity provided. The BMS Installer shall clearly state in the Tender return the used and spare point capacity for each controller. 2.11 Expansion The system shall have the capability for future expansion. The BMS Installer shall confirm that all essential parts of the system hardware, such as outstations, will continue to be manufactured and capable of retrofitting without major hardware or software upgrades for a period of five years after Practical Completion of the project. 2.12 Distributed Processing Controllers shall be capable of performing all specified control functions in a completely independent manner. If any other controller or communications processor mal-functions within this system, all other controllers shall continue to control, monitor and have the ability to be accessed and programmed without degrading the overall performance of the control system. 2.13 System Networking Controllers shall be capable of sharing information with other controllers such that control sequences or control loops executed at one controller may receive analogue and digital values derived from other controllers within the network. If the network communication link fails, or the originating controller mal-functions, the control loops shall continue to function using the last value received from the failed component. Sharing of information between controllers shall be peer to peer to avoid loss of information sharing through a single point of failure. Larger systems shall be divided into a number of Local Area Networks (LAN’s) to increase redundancy and reduce volume of network communication. The architecture of these LAN’s shall be agreed with the Engineer prior to commencement. 2.14 Field Devices 2.14.1 Sensors Temperature Sensors



Unless otherwise indicated, all temperature measuring sensors shall be platinum resistance (PT 100) type. Thermistor sensors shall only be used on low priority monitoring and only by agreement with the Engineer. The range of sensors shall suit the particular application and as defined in the tables. Ambient limits for temperature sensors shall typically be -10°C to +50°C, 0 – 90% RH non-condensing. Humidity Sensors Two ranges of humidity sensors have been defined in the following tables. The Contractor shall normally install the standard range, except where close-control of humidity is required, where high quality sensors are to be provided. Calibration certificates shall be provided for all humidity sensors and the calibration of each shall be checked during commissioning and recorded. Long-term stability of high quality sensors shall be defined as a drift of less than 1% per year and the measurement range of all humidity sensors shall be not less than 0 – 95% non-condensing over a temperature range of -10°C to +40°C. Pressure Sensors All sensors shall be suitable for a pressure of at least 1.5 times the maximum working pressure, or the required test pressure, whichever is the higher. All pressure sensors shall comply with the Pressure Equipment Directive (PED). Calibration The Contractor shall calibrate all sensors during the commissioning and when requested to do so, provide manufacturers’ calibration certificates. Where high quality humidity sensors are specified, the manufacturers’ recommended calibration device shall be used. Sensor calibration checks must be carried out immediately adjacent to the sensor point in order to ensure accurate results. Where sensor characteristics are non-linear, these characteristics shall be modelled in software to ensure representative readings across the entire range. Where pulse point meters are installed, an appropriate scale divisor or multiplier shall be built into software to ensure correct information is recorded. In order to ensure reading accuracy, comparative readings shall be taken at the beginning and end of the commissioning phase. Sensor Installation The following general requirements shall be observed at each sensor point, where applicable:

• Duct and pipe-mounted sensors shall also be provided with an adjacent test hole or point.

• Cable entry shall always be on the side or underside of sensors to avoid water entry.



• Where applicable all sensors shall be provided with a cable loop to allow removal without disconnection (for example, removal from duct).

• The position of all concealed sensors shall be clearly marked.

• Sufficient clearance shall always be provided to enable any sensor probes to be fully

withdrawn.

• Where sensor cables pass through openings with sharp edges such as metal ductwork, the cable shall be protected by using rubber grommets, or similar.

2.15 Control Valves 2.15.1 General The following types of valve shall be used in the appropriate application:

Application Type Control Mixing – Terminal Unit

Three or Four Port Globe valve

Control – Mixing - Other Equipment Three- Port Globe valve

Flow Control – Variable Flow Two-Port Globe valve Motorised Isolation Ball or Butterfly valve Fast Response Isolation Solenoid valve

2.15.2 Construction Valve bodies shall be selected to ensure that their PN pressure rating is suitable for the maximum test pressure to which the system is applied. Valve bodes shall be constructed from brass, bronze, cast iron or steel, depending upon the application. All valves shall be suitable for operation with clean water containing any system treatment additives including glycol, compressed air, steam, gas or oil, as appropriate. Normal service limits shall be 2°C to 90°C, but MTHW, HTHW and steam will be higher to suit the system operating temperatures. Mounting

• All valves shall be mounted at the altitudes recommended by the manufacturer.

• Where valves are mounted externally particular care shall be taken to ensure that water cannot accumulate around the spindle seal. All appropriate measures shall be taken to ensure this.



2.15.3 Three-Port Control Valves All 3-port valves used for flow control shall be globe pattern and characterised plug to give linear or equal percentage control characteristics, as required. Valve minimum rangeability shall be 50:1. All three-port control valves, whether used in a mixing or diverting application, shall have the ports arranged in the conventional two inlets and one outlet configuration. Valves used in a diverting application shall be selected to give a valve authority of between 0.5 and 0.8. Where used in a mixing application valve authority should be 0.3. 2.15.4 Two-Port Control Valves All fan coil units, overdoor heaters and divicesdevices with a flow rate of less than 0.85l/s shall be fitted with pressure independent control valves complete with flushing bypass and associated drainage and isolation valves as detailed on the relevant mechanical services schematic. The valve set shall operate by means of an automatic balancing cartridge that can be removed without dismantling the valve. The presetting of the valve shall not influence the length of the stroke. The pressure class shall be PN25. The differential pressure operating range shall be up to 400kPa. The valve shall operate by means of an electrical modulation actuator. All other two-port valves used for flow control shall be globe pattern and have a linear or characterised plug to give linear or equal percentage control characteristics., as required. Valve minimum rangeability shall be 50:1. Valves shall be selected to give a valve authority of approximately 0.8. All two-port control valves shall also be selected to maintain their control characteristic up to the maximum system differential pressure to which they are subjected. Where used on steam systems control valves shall be sized to give a pressure drop of approximately 40% of the absolute inlet pressure, unless otherwise recommended by the manufacturer. 2.15.5 Terminal Unit Control Valves Where waterside control of terminal units is specified this shall be by variable flow using two, three or four-port valves, as indicated. Where two-port valves are used they shall be suitable for maintaining their control characteristics for the maximum operating differential pressure to which they will be subjected. Valve authority shall be approximately 0.8. Four-port valves in this context are three-port mixing valves with an integral bypass. All three or four-port mixing valves shall have an authority of between 0.5 and 0.8 and shall be generally in a diverting application. Rangeability of all terminal unit control valves shall be a minimum of 25:1.



Where valves for part of a composite factory-assembled terminal unit, valve kit similar standard outlined above shall apply. 2.15.6 Two-Port Isolation Valves Two-port valves used for motorised isolation shall be ¼-turn off to full flow butterfly or ball valves. Ball valves shall be used for sizes up to and including 50 mm, above this valves shall be butterfly type. Valves used for this purpose shall be particularly designed for the purpose and comply fully with the valve specifications outlined in the Pipeline Ancillaries section of this Specification. Butterfly valves shall be fully lugged. When in the closed position all valves shall have tight shut-off. 2.15.7 Solenoid Valves Solenoid shut-off valves shall be used for isolation, where indicated. They shall be generally suitable for operating in ambient conditions and IP rated to suit the working environment, but not less than IP 54. Electrical operation shall either be 24V or 230V AC, as specified. Seals shall be epdm, nitrile or viton to suit the service fluid. Where used for gas safety, solenoid valves shall comply with BS EN 161. Safety valves shall be fail-safe, that is close on loss of power and generally located external to the room they are protecting. Where auto-re-set is specified, this must be approved by the relevant Local and Fire Authorities. 2.16 Control Dampers All air dampers used for air regulation shall have reinforced aerofoil blades and be of the opposed blade type. Where dampers are used for air shut-off, these shall have reinforced blades, blade edge and side seals and be suitable for an operating pressure differential of 2000 Pa, unless otherwise stated. Dampers for tight shut-off shall have leading and trailing edge seals and double edge seals. 2.17 Actuators All actuators shall be matched to the valves or dampers to which they are fitted and shall have sufficient torque and stroke or rotation to drive the controlling device throughout its full range and against any operating pressure differential. Actuators shall be suitable for operation either on 24V or 230V electrical supply as specified and at ambient from -10°C to +50°C.



All actuators shall be protected to a minimum of IP 54. Where mounted externally they shall be contained in a weatherproof enclosure or other detail agreed with the Engineer. All actuators shall have an easy-to-read position indicator, the option to fit end switches if specified and a manual override facility. Valve actuators shall have spindle adjustment to ensure that the stroke of the valve can be correctly set. Actuators on dampers shall have a spindle locking clamp allowing the actuator to be attached without obscuring the view of the blade direction marking. Actuators shall be fitted to the device by suitable purpose-made brackets. The manufacturer’s recommendations, regarding mounting altitude, shall always be followed. Where specified, actuators shall have spring-open or return. With this facility the valve or damper shall be taken to the limit of its travel. Actuators shall normally be suitable for a 0 – 10V or 4 – 20 mA control signal, unless otherwise specified.



3 PARTICULAR REQUIREMENTS 3.1 Scope/Interface Wiring to Mechanical and Public Health Services In general, the division between the Electrical and Mechanical services of the work shall be as follows: a) Electrical Services

i) Supply, install and connect supplies to the motor control centres.

iii) Supply, install, test and commission all control/fire alarm wiring between the motor control centres/starters and fire alarm indicator panel and building services panel.

iv) Attend on others to assist in testing and commissioning the complete mechanical controls system.

vi) Liaising fully with others in co-ordinating and planning work. b) Mechanical Services

i) Supply and fix all motor control centres including interconnecting wiring if panels delivered on site in sections.

ii) Supply, install and connect supplies from the motor control centres including local starters, heaters, motors, equipment pumps, fans etc.

iii) Supply, install, connect, test and commission local isolators adjacent to all equipment and motors. Fireman’s switches adjacent to the entrance to the boiler room The isolators associated with Star/Delta drives shall be provided with suitable auxiliary contacts for the correct operation of the starters.

ii) Provide and fix all starters, pumps, fan and other equipment.

iii) Supply, install, test all controls wiring and connect all control and monitoring devices in conjunction with the Electrical Services Contract.

iv) Provide and fix all control and monitoring devices.

v) Provide all gas valves and solenoids’ including standby battery to maintain them in the event of a mains failure and emergency stop locks.

v) Testing and commissioning the complete system.

vi) Liaising fully with others in co-ordinating and planning work.

vi) Provide and fix complete trace heating installation for pipe work from isolating switches.

vii) Provide all power supplies to all field devices, outstations and controllers.

The Electrical Contractor shall provide electrical supplies to trace heating tapes supplied and installed by the Mechanical Contractor. The Contractor shall carry out all the wiring using XLPE/LSF/SWA/LSF copper cables or single core PVC copper cables in conduit or trunking as indicated on the drawings. The minimum cross-sectional area of cable shall be 1.5mm² as indicated on the drawings.



The Mechanical Contractor shall include for the wiring associated with field control devices (e.g. pressure switches, stats, flow switches etc) for the HVAC control system. The Electrical Contractor on completion of all his work associated with starter panels and Motor Control Centres and upon completion of all Main Contractor's decorations within the room containing the panel, shall provide continuous rubber mat extending the full length of the Motor Control Centres with a minimum width of 750mm (400V). All items of mechanical plant and equipment shall be provided with a local means of isolation. 3.2 Hotel Management System 3.2.1 General No BMS interface shall be provided to the following Hotel Management Systems:

• Booking System • Room Call • Key Access and Security Systems • Lighting Control Systems • Room Management

Notes on the operation of the guestroom/suite Fan Coil Unit (FCU) relating to occupation status is detailed in the FCU operation section of this specification. 3.2.2 Lift Monitoring Lift monitoring shall be limited to a fault only interface with the BMS via the lift controls. The alarm shall clearly identify which lift is at fault. The lifts comprise of:

• 2 Passenger Lifts • 2 Service Lifts • 1 Firefighting Lift • 1 Kitchen Lift

3.3 Electrical Metering Monitoring The BMS shall monitor and record data from the multimeters via a high-level serial communications interface. As a general rule all MCC panels, HV voltage switchgear, package sub-station, distribution boards and major equipment will be metered. The main incoming EDF supply meters (2 No will) will also be monitored via a pulse signal. The contractor shall liaise with EDF to ensure this is obtained. Reference should be made to the following drawing for exact locations:

7105/E/001/P - Main Electrical Schematic



The meters shall be provided with a communications module to allow each instrument to be interfaced with the BMS. The protocol selected for the communications module shall be co-ordinated between the electrical services installer and the BMS installer. The BMS installer shall provide all necessary hardware and software for a high level serial communications interface to enable all meter data to be directly read on the front end supervisor and operator interfaces. The BMS shall display on the supervisor workstation all outputs from the ‘Multimeter’ type meters. All metering information/data shall be entered into the BMS for the purpose of recording and reporting electricity consumption within the building. The BMS shall provide trend logs of half-hourly energy consumption which shall be archived on the front-end supervisor workstation. 3.4 Metering Monitoring (General) The following services shall be metered at the main incoming utility:

• Electricity • Gas • Water

A pulse signal from the meters will be monitored by the BMS. The contractor shall liaise with the utility provide to ensure this is complied with 3.5 UPS System Monitoring The BMS shall monitor the UPS systems for the following areas: IT Communications Room 10th Floor IT Room Telephone Frame Room Emergency Lighting Battery Room The systems shall be monitored for “On Battery”, “On Bypass”, “Battery Low” and common fault via volt free contacts. The alarms shall be displayed at the front-end supervisor workstation. 3.6 Chilled Water System 3.6.1 Chillers Water Cooled Chiller (Screw Compressor) CH-1 Water Cooled Chiller (Screw Compressor) CH-2 The chillers are located in the low level basement (-2) plantroom and have a control interface at MCC2.



Each chiller shall include a packaged control system. The controls system shall load the selected chiller(s) according to return water temperature. The controls system shall allow common fault conditions and operating conditions from each chiller to be displayed on the BMS. Once initiated by the BMS the chillers shall operate under its own controls. Hardwired Safety Interlocks The following safety interlocks are required prior to the chillers being enabled by the BMS:

• Fire alarm signal healthy. • Fireman’s switch to be normal. • Plantroom emergency stop button healthy. • CHW pressurisation unit healthy. • CHW primary pumps differential pressure switch confirms flow proven.

Normal Operation Assuming that all switches are in the auto position and there are no abnormal conditions the following sequence shall occur: When there is an optimum start demand signal from any of the occupancy time zones, a start signal shall be generated. The chillers shall be sequenced to control to a flow temperature of 6°C. The CHW flow and return temperature shall be monitored. The chiller controls shall rotate the sequence as required. Each chiller shall be monitored for a common fault signal. At the end of the occupancy time the chillers shall be disabled. 3.6.2 CHW Primary Pumps CHW Primary Pump (Fixed Speed) P-CHW-1 CHW Primary Pump (Fixed Speed) P-CHW-2 CHW Primary Pump (Fixed Speed) P-CHW-3 The pumps are located in the low level basement (-2) plantroom and have a control interface at MCC2. The pumps are designed to run duty, duty, standby. Hardwired Safety Interlocks The following safety interlocks are required prior to the CHW primary pumps being enabled by the BMS:

• Fire alarm signal healthy. • Fireman’s switch to be normal. • Plantroom emergency stop button healthy. • CHW pressurisation unit healthy.



Normal Operation Assuming that all switches are in the auto position and there are no abnormal conditions the following sequence shall occur: The duty primary pumps shall be enabled by the BMS, upon a demand from any timezone. Upon the pumps being enabled, a delay timer within the software shall be started to negate false alarms from the differential pressure switch mounted across the each duty pump. If the differential pressure switch indicates a flow failure condition after the delay timer has elapsed the standby pump shall be enabled and the delay timer is re-started. The inoperable duty pump shall be locked out by the software from running, and an alarm shall be generated at the keypad. The pump lockout can be reset via the facia-mounted keypad. At the end of the occupancy time the pumps shall run on for a further 15 minutes to dissipate residual cooling in the system. Pump duty sequences shall be rotated every 7 days at start up. Alarms Alarms shall be raised for:

• Primary Pump 1 Flow Fail • Primary Pump 2 Flow Fail • Primary Pump 3 Flow Fail • All Pumps Flow Fail

3.6.3 CHW Secondary Pumps (Ground, First & AHU Circuit) CHW Secondary Pump (Variable Speed) P-CHW-4 CHW Secondary Pump (Variable Speed) P-CHW-5 The pumps are located in the low level basement (-2) plantroom and have a control interface at MCC2. The pumps are designed to run duty, duty, standby. All pumps shall be driven by dedicated inverters. Each secondary CHW system shall incorporate two-port control valves and operate as a variable flow system. System differential pressure detection shall be remote from the Plantroom and positioned at the extremity of each circuit. The BMS shall adjust the speed of each secondary pump according to system differential pressure, subject to a minimum pump speed. At this minimum speed, system differential pressure is intended to rise and cause a reverse-acting DP valve to open, ensuring minimum circulation. Where multiple DP sensors are specified, the BMS shall adopt the lower DP signal for the purposes of pump speed control.



Hardwired Safety Interlocks The following safety interlocks are required prior to the CHW secondary pumps being enabled by the BMS:


Normal Operation Assuming that all switches are in the auto position and there are no abnormal conditions the following sequence shall occur: The duty pumps shall be enabled 5 minutes after the chilled water primary pump has flow proved. If there is no demand from any control valve for more than 10 minutes, the pumps shall be disabled. Upon the pump being enabled, a delay timer within the software shall be started to negate false alarms from the differential pressure switch mounted across each of the pumps. If the differential pressure switch indicates a flow failure condition after the delay timer has elapsed the standby pump shall be enabled and the delay timer is re-started. The inoperable duty pump shall be locked out by the software from running, and an alarm shall be generated at the keypad. The pump lockout can be reset via the facia-mounted keypad. At the end of the occupancy time the pumps shall run on for a further 15 minutes to dissipate residual cooling in the system. Pump duty sequences shall be rotated every 7 days at start up. Secondary Valve When secondary chilled water flow is proved, the control valve control shall be enabled. The secondary chilled water flow temperature shall control the valve to achieve a constant chilled water secondary temperature setpoint of 7°C. A facility for scheduling shall be provided. Alarms Alarms shall be raised for:

• Chiller common fault. • CHW pressurisation unit fault. • Primary Pump 1 Flow Fail. • Primary Pump 2 Flow Fail. • Primary Pump 3 Flow Fail. • Secondary Pump 1 Flow Fail. • Secondary Pump 2 Flow Fail. • Inverter control circuit failure.



3.6.4 CHW Secondary Pumps (Bedroom Circuit) CHW Secondary Pump (Variable Speed) P-CHW-6 CHW Secondary Pump (Variable Speed) P-CHW-7 The pumps are located in the low level basement (-2) plantroom and have a control interface at MCC2. The pumps are designed to run duty, duty, standby. All pumps shall be driven by dedicated inverters. Each secondary CHW system shall incorporate two-port control valves and operate as a variable flow system. System differential pressure detection shall be remote from the Plantroom and positioned at the extremity of each circuit. The BMS shall adjust the speed of each secondary pump according to system differential pressure, subject to a minimum pump speed. At this minimum speed, system differential pressure is intended to rise and cause a reverse-acting DP valve to open, ensuring minimum circulation. Where multiple DP sensors are specified, the BMS shall adopt the lower DP signal for the purposes of pump speed control. Hardwired Safety Interlocks The following safety interlocks are required prior to the CHW secondary pumps being enabled by the BMS:


Normal Operation Assuming that all switches are in the auto position and there are no abnormal conditions the following sequence shall occur: The duty pumps shall be enabled 5 minutes after the chilled water primary pump has flow proved. If there is no demand from any control valve for more than 10 minutes, the pumps shall be disabled. Upon the pump being enabled, a delay timer within the software shall be started to negate false alarms from the differential pressure switch mounted across each of the pumps. If the differential pressure switch indicates a flow failure condition after the delay timer has elapsed the standby pump shall be enabled and the delay timer is re-started.



The inoperable duty pump shall be locked out by the software from running, and an alarm shall be generated at the keypad. The pump lockout can be reset via the facia-mounted keypad. At the end of the occupancy time the pumps shall run on for a further 15 minutes to dissipate residual cooling in the system. Pump duty sequences shall be rotated every 7 days at start up. Secondary Valve When secondary chilled water flow is proved, the control valve control shall be enabled. The secondary chilled water flow temperature shall control the valve to achieve a constant chilled water secondary temperature setpoint of 7°C. A facility for scheduling shall be provided. Alarms Alarms shall be raised for:

• Chiller common fault. • CHW pressurisation unit fault. • Primary Pump 1 Flow Fail. • Primary Pump 2 Flow Fail. • Primary Pump 3 Flow Fail. • Secondary Pump 1 Flow Fail. • Secondary Pump 2 Flow Fail. • Inverter control circuit failure.

3.6.5 CHW Pressurisation Sets CHW Pressurisation Set PRU-2 The pressurisation set is located in the low level basement (-2) plantroom and has a control interface at MCC2. The pressurisation set shall monitor and maintain system pressures in the CHW System. The pressurisation set will include an on-board control system, to be interfaced with the BMS. System pressure status and alarm conditions shall be displayed on the BMS. The BMS shall provide independent pressure detection devices and interlocks to inhibit all circulation pumps on Low Pressure and High Pressure. 3.7 Condenser Water System 3.7.1 Dry Air Coolers Dry Air Coolers CT-1 to CT-9 The dry air coolers are located at level 10 & level 11 and have a control interface at MCC8. Each dry air cooler shall include a packaged control system. The controls system shall allow common fault conditions and operating conditions from each dry air cooler to be displayed on the BMS.



The condenser water system will operate as a variable flow system. Control valves on each of the dry coolers shall regulate the number of dry coolers in operation to meet the condenser water flow and return temperatures (52ºC/46ºC). The BMS will monitor the flow and return temperatures and will load up the air coolers accordingly to ensure that the water flow and return temperatures are being met. The operation sequence will be reversed by the BMS periodically to ensure even wear on the equipment. Although the water content will include glycol, frost protection for each Dry Cooler shall be arranged such that low ambient detection by the BMS external reference sensors shall operate the condenser water pumps. Hardwired Safety Interlocks The following safety interlocks are required prior to the air coolers being enabled by the BMS:

• Fire alarm signal healthy. • Fireman’s switch to be normal. • Plantroom emergency stop button healthy. • Condenser pressurisation unit healthy. • Condenser pumps differential pressure switch confirms flow proven.

Normal Operation Assuming that all switches are in the auto position and there are no abnormal conditions the following sequence shall occur: A start signal shall be generated following the startup of the chiller(s). The air coolers shall be sequenced to control to a flow and return temperature of 52ºC/46ºC. The condenser flow and return temperature shall be monitored. Each air cooler shall be monitored for a common fault signal. The air coolers shall be disabled upon chiller close down and acceptable control of return temperature. 3.7.2 Condenser Water Pumps Condenser Pump (Variable Speed) P-C-1 Condenser Pump (Variable Speed) P-C-2 Condenser Pump (Variable Speed) P-C-3 The condenser pumps are located in the low level basement (-2) plantroom and have a control interface at MCC2. The pumps are designed to run duty, duty, standby. Hardwired Safety Interlocks



The following safety interlocks are required prior to the condenser pumps being enabled by the BMS:

• Fire alarm signal healthy. • Fireman’s switch to be normal. • Plantroom emergency stop button healthy. • Condenser pressurisation unit healthy.

Normal Operation Assuming that all switches are in the auto position and there are no abnormal conditions the following sequence shall occur: The duty pumps shall be enabled by the BMS, upon a demand from the chiller operation. Upon the pumps being enabled, a delay timer within the software shall be started to negate false alarms from the differential pressure switch mounted across the each duty pump. If the differential pressure switch indicates a flow failure condition after the delay timer has elapsed the standby pump shall be enabled and the delay timer is re-started. The inoperable duty pump shall be locked out by the software from running, and an alarm shall be generated at the keypad. The pump lockout can be reset via the facia-mounted keypad. At the end of required operation time the pumps shall run on for a further 15 minutes to dissipate residual heat in the system. Pump duty sequences shall be rotated every 7 days at start up. Alarms Alarms shall be raised for:

• Condenser Pump 1 Flow Fail • Condenser Pump 2 Flow Fail • All Pumps Flow Fail

3.7.3 Condenser Water Pressurisation Set Condenser Water Pressurisation Set PRU-1 The pressurisation set is located in the low level basement (-2) plantroom and has a control interface at MCC2. The pressurisation set shall monitor and maintain system pressures in the condenser water system. The pressurisation set will include an on-board control system, to be interfaced with the BMS. System pressure status and alarm conditions shall be displayed on the BMS. The BMS shall provide independent pressure detection devices and interlocks to inhibit all circulation pumps on Low Pressure and High Pressure.



3.8 LTHW System 3.8.1 Boilers High Efficiency Boilers (5 in total) BOL-001 to BOL-005 The boilers are located in the low level basement (-2) boiler plantroom and have a control interface at MCC1. The boilers are high efficiency fully modulating modular boilers. Each boiler shall include a packaged control system. The controls system shall load the selected boiler(s) according to return water temperature. The controls system shall allow common fault conditions and operating conditions from each boiler to be displayed on the BMS. Once initiated by the BMS the boilers shall operate under its own controls. Hardwired Safety Interlocks The following safety interlocks are required prior to the boilers being enabled by the BMS:

• Fire alarm signal healthy. • Fireman’s switch to be normal. • Plantroom emergency stop button healthy. • LTHW pressurisation unit healthy. • LTHW primary pumps differential pressure switch confirms flow proven.

Normal Operation Assuming that all switches are in the auto position and there are no abnormal conditions the following sequence shall occur: When there is an optimum start demand signal from any of the occupancy time zones, a start signal shall be generated. The boilers shall be sequenced to control to a flow temperature of 80°C. The BMS shall optimise the heating plant start up time to ensure the building is up to temperature by the required occupancy time. The LTHW flow and return temperature shall be monitored. The boiler controls shall rotate the sequence as required. Each boiler shall be monitored for a common fault signal. At the end of the occupancy time the boilers shall be disabled. Boiler Gas Valve The gas valve and associated safety circuits shall be hard wired from the MCC panel. The valve shall close under the following conditions:

• Thermal Link Activated • Emergency Knock Off Pressed



• Gas Detected • Fire Alarm Activated

The gas valve shall reset on the conditions returning to normal. 3.8.2 LTHW Primary Pumps LTHW Primary Pump (Fixed Speed) P-LTHW-1 LTHW Primary Pump (Fixed Speed) P-LTHW-2 The pumps are located in the low level basement (-2) boiler plantroom and have a control interface at MCC1. The pumps are designed to run duty and standby. Hardwired Safety Interlocks The following safety interlocks are required prior to the LTHW primary pumps being enabled by the BMS:

• Fire alarm signal healthy. • Fireman’s switch to be normal. • Plantroom emergency stop button healthy. • LTHW pressurisation unit healthy. • General safety circuit healthy – gas valve, electro-thermal links. • Gas detection panel healthy.

Normal Operation Assuming that all switches are in the auto position and there are no abnormal conditions the following sequence shall occur: The duty primary pump shall be enabled by the BMS, upon a demand from any timezone. Upon the pump being enabled, a delay timer within the software shall be started to negate false alarms from the differential pressure switch mounted across the duty pump. If the differential pressure switch indicates a flow failure condition after the delay timer has elapsed the standby pump shall be enabled and the delay timer is re-started. The inoperable duty pump shall be locked out by the software from running, and an alarm shall be generated at the keypad. The pump lockout can be reset via the facia-mounted keypad. At the end of the occupancy time the pump shall run on for a further 15 minutes to dissipate residual heating in the system. Pump duty sequences shall be rotated every 7 days at start up. Alarms Alarms shall be raised for:

• Primary Pump 1 Flow Fail • Primary Pump 2 Flow Fail



• All Pumps Flow Fail 3.8.3 LTHW Secondary Pumps (Circuit A) LTHW Secondary Pump (Variable Speed) P-LTHW-3 LTHW Secondary Pump (Variable Speed) P-LTHW-4 The pumps are located in the low level basement (-2) boiler plantroom and have a control interface at MCC1. The pumps are designed to run duty and standby. All pumps shall be driven by dedicated inverters. Each secondary LTHW system shall incorporate two-port control valves and operate as a variable flow system. System differential pressure detection shall be remote from the Plantroom and positioned at the extremity of each circuit. The BMS shall adjust the speed of each secondary pump according to system differential pressure, subject to a minimum pump speed. At this minimum speed, system differential pressure is intended to rise and cause a reverse-acting DP valve to open, ensuring minimum circulation. Where multiple DP sensors are specified, the BMS shall adopt the lower DP signal for the purposes of pump speed control. Hardwired Safety Interlocks The following safety interlocks are required prior to the LTHW secondary pumps being enabled by the BMS:

• Fire alarm signal healthy. • Fireman’s switch to be normal. • General safety circuit healthy – gas valve, electro-thermal links. • Gas detection panel healthy. • Plantroom emergency stop button healthy. • LTHW pressurisation unit healthy. • LTHW primary pumps differential pressure switch confirms flow proven.

Normal Operation Assuming that all switches are in the auto position and there are no abnormal conditions the following sequence shall occur: The duty pump shall be enabled 5 minutes after the LTHW primary pump has flow proved. If there is no demand from any control valve for more than 10 minutes, the pumps shall be disabled. Upon the pump being enabled, a delay timer within the software shall be started to negate false alarms from the differential pressure switch mounted across each of the pumps. If the differential pressure switch indicates a flow failure condition after the delay timer has elapsed the standby pump shall be enabled and the delay timer is re-started.



The inoperable duty pump shall be locked out by the software from running, and an alarm shall be generated at the keypad. The pump lockout can be reset via the facia-mounted keypad. At the end of the occupancy time the pumps shall run on for a further 15 minutes to dissipate residual heating in the system. Pump duty sequences shall be rotated every 7 days at start up. Secondary Valve When secondary LTHW water flow is proved, the control valve control shall be enabled. The secondary LTHW water flow temperature shall control the valve to achieve a constant chilled water secondary temperature setpoint of 82°C. A facility for scheduling shall be provided. Alarms Alarms shall be raised for:

• Boiler common fault. • LTHW pressurisation unit fault. • Primary Pump 1 Flow Fail. • Primary Pump 2 Flow Fail. • Secondary Pump 1 Flow Fail. • Secondary Pump 2 Flow Fail. • Inverter control circuit failure.

3.8.4 LTHW Secondary Pumps (Circuit B) LTHW Secondary Pump (Variable Speed) P-LTHW-5 LTHW Secondary Pump (Variable Speed) P-LTHW-6 The pumps are located in the low level basement (-2) boiler plantroom and have a control interface at MCC1. The pumps are designed to run duty and standby. All pumps shall be driven by dedicated inverters. Each secondary LTHW system shall incorporate two-port control valves and operate as a variable flow system. System differential pressure detection shall be remote from the Plantroom and positioned at the extremity of each circuit. The BMS shall adjust the speed of each secondary pump according to system differential pressure, subject to a minimum pump speed. At this minimum speed, system differential pressure is intended to rise and cause a reverse-acting DP valve to open, ensuring minimum circulation. Where multiple DP sensors are specified, the BMS shall adopt the lower DP signal for the purposes of pump speed control. Hardwired Safety Interlocks



The following safety interlocks are required prior to the LTHW secondary pumps being enabled by the BMS:


Normal Operation Assuming that all switches are in the auto position and there are no abnormal conditions the following sequence shall occur: The duty pump shall be enabled 5 minutes after the LTHW primary pump has flow proved. If there is no demand from any control valve for more than 10 minutes, the pumps shall be disabled. Upon the pump being enabled, a delay timer within the software shall be started to negate false alarms from the differential pressure switch mounted across each of the pumps. If the differential pressure switch indicates a flow failure condition after the delay timer has elapsed the standby pump shall be enabled and the delay timer is re-started. The inoperable duty pump shall be locked out by the software from running, and an alarm shall be generated at the keypad. The pump lockout can be reset via the facia-mounted keypad. At the end of the occupancy time the pumps shall run on for a further 15 minutes to dissipate residual heating in the system. Pump duty sequences shall be rotated every 7 days at start up. Secondary Valve When secondary LTHW water flow is proved, the control valve control shall be enabled. The secondary LTHW water flow temperature shall control the valve to achieve a constant chilled water secondary temperature setpoint of 82°C. A facility for scheduling shall be provided. Alarms Alarms shall be raised for:




3.8.5 LTHW Secondary Pumps (Circuit C) LTHW Secondary Pump (Variable Speed) P-LTHW-7 LTHW Secondary Pump (Variable Speed) P-LTHW-8 The pumps are located in the low level basement (-2) boiler plantroom and have a control interface at MCC1. The pumps are designed to run duty and standby. All pumps shall be driven by dedicated inverters. Each secondary LTHW system shall incorporate two-port control valves and operate as a variable flow system. System differential pressure detection shall be remote from the Plantroom and positioned at the extremity of each circuit. The BMS shall adjust the speed of each secondary pump according to system differential pressure, subject to a minimum pump speed. At this minimum speed, system differential pressure is intended to rise and cause a reverse-acting DP valve to open, ensuring minimum circulation. Where multiple DP sensors are specified, the BMS shall adopt the lower DP signal for the purposes of pump speed control. Hardwired Safety Interlocks The following safety interlocks are required prior to the LTHW secondary pumps being enabled by the BMS:







3.8.6 LTHW Secondary Pumps (Circuit D) LTHW Secondary Pump (Variable Speed) P-LTHW-9 LTHW Secondary Pump (Variable Speed) P-LTHW-10 The pumps are located in the low level basement (-2) boiler plantroom and have a control interface at MCC1. The pumps are designed to run duty and standby. All pumps shall be driven by dedicated inverters. Each secondary LTHW system shall incorporate two-port control valves and operate as a variable flow system. System differential pressure detection shall be remote from the Plantroom and positioned at the extremity of each circuit. The BMS shall adjust the speed of each secondary pump according to system differential pressure, subject to a minimum pump speed. At this minimum speed, system differential pressure is intended to rise and cause a reverse-acting DP valve to open, ensuring minimum circulation. Where multiple DP sensors are specified, the BMS shall adopt the lower DP signal for the purposes of pump speed control. Hardwired Safety Interlocks



The following safety interlocks are required prior to the LTHW secondary pumps being enabled by the BMS:


Normal Operation Assuming that all switches are in the auto position and there are no abnormal conditions the following sequence shall occur: The duty pump shall be enabled 5 minutes after the LTHW primary pump has flow proved. If there is no demand from any control valve for more than 10 minutes, the pumps shall be disabled. Upon the pump being enabled, a delay timer within the software shall be started to negate false alarms from the differential pressure switch mounted across each of the pumps. If the differential pressure switch indicates a flow failure condition after the delay timer has elapsed the standby pump shall be enabled and the delay timer is re-started. The inoperable duty pump shall be locked out by the software from running, and an alarm shall be generated at the keypad. The pump lockout can be reset via the facia-mounted keypad. At the end of the occupancy time the pumps shall run on for a further 15 minutes to dissipate residual heating in the system. Pump duty sequences shall be rotated every 7 days at start up. Secondary Valve When secondary LTHW water flow is proved, the control valve control shall be enabled. The secondary LTHW water flow temperature shall control the valve to achieve a constant chilled water secondary temperature setpoint of 82°C. A facility for scheduling shall be provided. Alarms Alarms shall be raised for:




3.8.7 LTHW Secondary Pumps (Circuit E – Calorifiers) LTHW Secondary Pump (Variable Speed) P-LTHW-11 LTHW Secondary Pump (Variable Speed) P-LTHW-12 The pumps are located in the low level basement (-2) boiler plantroom and have a control interface at MCC1. The pumps are designed to run duty and standby. All pumps shall be driven by dedicated inverters. Each secondary LTHW system shall incorporate two-port control valves and operate as a variable flow system. System differential pressure detection shall be remote from the Plantroom and positioned at the extremity of each circuit. The BMS shall adjust the speed of each secondary pump according to system differential pressure, subject to a minimum pump speed. At this minimum speed, system differential pressure is intended to rise and cause a reverse-acting DP valve to open, ensuring minimum circulation. Where multiple DP sensors are specified, the BMS shall adopt the lower DP signal for the purposes of pump speed control. Hardwired Safety Interlocks The following safety interlocks are required prior to the LTHW secondary pumps being enabled by the BMS:







3.8.8 LTHW Pressurisation Sets LTHW Pressurisation Set PRU-3 The pressurisation sets are located in the low level basement (-2) plantroom and have a control interface at MCC1. The pressurisation set shall monitor and maintain system pressures in the LTHW System. The pressurisation set will include an on-board control system, to be interfaced with the BMS. System pressure status and alarm conditions shall be displayed on the BMS. The BMS shall provide independent pressure detection devices and interlocks to inhibit all circulation pumps on Low Pressure and High Pressure. 3.9 Public Health & Domestic Services 3.9.1 Potable Water (Hard) Storage Tank The potable water (hard) two compartment tank is located at level -2 (basement) and has a control interface at MCC2. The tank will be monitored by the BMS independently from the potable water (hard) booster set controls system. In each compartment low water levels shall generate a BMS Alarm.



Critically low water level in any compartment shall interrupt operation of the booster set via the package control panel. The BMS shall have an interface with the ‘warning pipe alarm system’ control panel. Any water discharge (indicating a high level overfill situation) will generate a BMS alarm via the control panel. All interconnecting field control wiring between the packaged booster set, tank level detection devices and the associated MCC shall be provided by the BMS Package. 3.9.2 Potable Water (Hard) Booster Set Potable Water (hard) Variable Speed Booster Pump Set CWS-HP1 The booster set is located in the low level basement (-2) plantroom and has a control interface at MCC2. The booster set will be controlled from its own packaged control system, provided under the Public Health Package. BMS alarms shall be raised for pump trip/failure via the package control system. The hardwired plantroom emergency stop and fire alarm interface shall interrupt operation of this plant. Critically low water level in the storage tank shall interrupt operation of the booster set via the package control panel. All interconnecting field control wiring between the packaged booster set, tank level detection devices and the associated MCC shall be provided by the BMS Package. 3.9.3 Potable Water (Softened) Storage Tank The potable water (softened) two compartment tank is located at level -2 (basement) and has a control interface at MCC2. The tank will be monitored by the BMS independently from the potable water (softened) booster set controls system. In each compartment low water levels shall generate a BMS Alarm. Critically low water level in any compartment shall interrupt operation of the booster set via the package control panel. The BMS shall have an interface with the ‘warning pipe alarm system’ control panel. Any water discharge (indicating a high level overfill situation) will generate a BMS alarm via the control panel. All interconnecting field control wiring between the packaged booster set, tank level detection devices and the associated MCC shall be provided by the BMS Package. 3.9.4 Potable Water (Softened) Booster Sets Potable Water (softened) Variable Speed Booster Pump Set CWS-SP1 Potable Water (softened) Variable Speed Booster Pump Set CWS-SP2



The booster sets are located in the low level basement (-2) plantroom and have a control interface at MCC2. The booster sets will be controlled from its own separate packaged control system, provided under the Public Health Package. BMS alarms shall be raised for pump trip/failure via the package control system. The hardwired plantroom emergency stop and fire alarm interface shall interrupt operation of this plant. Critically low water level in the storage tank shall interrupt operation of the booster set via the package control panel. All interconnecting field control wiring between the packaged booster set, tank level detection devices and the associated MCC shall be provided by the BMS Package. 3.9.5 Irrigation System Booster Set Irrigation System Booster Pump Set IRP1 The booster set is located in the low level basement (-2) plantroom and has a control interface at MCC2. The booster set will be controlled from its own packaged control system, provided under the Public Health Package. BMS alarms shall be raised for pump trip/failure via the package control system. The BMS shall have an interface with the ‘warning pipe alarm system’ control panel. Any water discharge (indicating a high level overfill situation) will generate a BMS alarm via the control panel. Critically low water level in the break tank shall interrupt operation of the pump set via the package control panel. The hardwired plantroom emergency stop and fire alarm interface shall interrupt operation of this plant. 3.9.6 Grease Trap Booster Set Grease Trap Booster Pump Set GTP1 The booster set is located in the low level basement (-2) plantroom and has a control interface at MCC2. The booster set will be controlled from its own packaged control system, provided under the Public Health Package. BMS alarms shall be raised for pump trip/failure via the package control system. The BMS shall have an interface with the ‘warning pipe alarm system’ control panel. Any water discharge (indicating a high level overfill situation) will generate a BMS alarm via the control panel.



Critically low water level in the break tank shall interrupt operation of the pump set via the package control panel. The hardwired plantroom emergency stop and fire alarm interface shall interrupt operation of this plant. 3.9.7 Loading Dock Wash down Booster Set Loading Dock Wash down Booster Pump Set WDP1 The booster set is located in the low level basement (-2) plantroom and has a control interface at MCC2. The booster set will be controlled from its own packaged control system, provided under the Public Health Package. BMS alarms shall be raised for pump trip/failure via the package control system. The BMS shall have an interface with the ‘warning pipe alarm system’ control panel. Any water discharge (indicating a high level overfill situation) will generate a BMS alarm via the control panel. Critically low water level in the break tank shall interrupt operation of the pump set via the package control panel. The hardwired plantroom emergency stop and fire alarm interface shall interrupt operation of this plant. 3.9.8 Warning Pipe Alarm System In addition to monitoring the storage tank and booster set overflow status, the warning pipe alarm system shall monitor the overflow from the warm water break tank and booster set for the ablution set in each suite (except with suites fitted with bidets). Water discharge (indicating a high level overfill situation) will generate a BMS alarm via the control panel. 3.9.9 Water Meters Water meters to the following shall have an interface with the BMS via a pulse output. The meters shall have a control interface at MCC2:

• Potable Hard Water Tank • Irrigation System Break Tank • Grease Trap Break Tank • Kitchen and Loading Dock Washdown Break Tank

The output shall allow for a full trend analysis of water consumption for each of the components. 3.9.10 HWS System Circulators HWS Circulation Pump (Domestic) HWS-HP1 (HP2 spare)



HWS Circulation Pump (Kitchen & Laundry) HWS-SP1 (SP2 spare) The pumps are located in the low level basement (-2) plantroom and have a control interface at MCC2. The pumps will run at fixed speed. The BMS will detect proof of running by means of flow and return temperature detection. Failure to prove running shall generate a BMS Alarm. 3.9.11 Basement Sump Pumps Basement Sump Pumps GTP1P1-FP1 The sump pumps are located in the low level basement (-2) plantroom sump and have a control interface at MCC2. The sump pumps will be controlled from its own packaged control system, provided under the Public Health Package. BMS alarms shall be raised for pump trip/failure via the package control system. A sump high water/fluid level shall generate a BMS alarm (the sensor selection should consider the possibility of oil content in the sump). The sump pumps shall be provided with an essential power supply. 3.9.12 Ground Floor Vacuum Waste Hot Water Pump Ground Floor Vacuum Waste Hot Water Pump WP3 The pumps are located to the rear of the ground floor loading bay (0) and have a control interface at MCC…………… The booster set will be controlled from its own packaged control system, provided under the Public Health Package. BMS alarms shall be raised for pump trip/failure via the package control system. The BMS shall have an interface with the ‘warning pipe alarm system’ control panel. Any water discharge (indicating a high level overfill situation) will generate a BMS alarm via the control panel. Critically low water level in the break tank shall interrupt operation of the pump set via the package control panel. The hardwired plantroom emergency stop and fire alarm interface shall interrupt operation of this plant. 3.9.13 Water Douche The units are located on all guestroom floors (2-9) and individual units serve the individual Ablution hose unit located in the relevant guestroom/suite bathroom.



The Mechanical Contractor shall provide alarm cablings from each Douche unit to three Aqualar Central alarm unit located 11th floor plant room The BMS shall read a common fail alarm signal from each central panel via the units’ volt free contacts. 3.9.14 Packaged Water System for Spa and Drench Shower. Package Water System for Spa and Drench Shower CSP1 The package water set is located in the chemical store (10) plantroom and has a control interface at MCC 10. The package water set will be controlled from its own packaged control system, provided under the Public Health Package. BMS alarms shall be raised for pump trip/failure via the package control system. The BMS shall have an interface with the ‘warning pipe alarm system’ control panel. Any water discharge (indicating a high level overfill situation) will generate a BMS alarm via the control panel. Critically low water level in the break tank shall interrupt operation of the pump set via the package control panel. The hardwired plantroom emergency stop and fire alarm interface shall interrupt operation of this plant. 3.9.15 Packaged Water System for Window Wash. Packaged Water System for Window Wash CSP2 The package water set is located in the 11th floor (11) plantroom and has a control interface at MCC 10. The package water set will be controlled from its own packaged control system, provided under the Public Health Package. BMS alarms shall be raised for pump trip/failure via the package control system. The BMS shall have an interface with the ‘warning pipe alarm system’ control panel. Any water discharge (indicating a high level overfill situation) will generate a BMS alarm via the control panel. Critically low water level in the break tank shall interrupt operation of the pump set via the package control panel. The hardwired plantroom emergency stop and fire alarm interface shall interrupt operation of this plant. 3.9.16 Water Softening Plant Water Softening Plant WS1 Water softening Plant WS2



The package water softening plant WS1 and WS2 are both located in the Subbasement plant room (-2). The package water softening plant will be controlled from its own packaged control system, provided under the Public Health Package. BMS alarms shall be raised for unit failure via the package control system 3.9.17 Bulk Salt Storage Tank Bulk Salt Storage Tank is located on the ground floor level. The bulk salt storage tank will have an integral low level warning alarm to be connected to the BMS. BMS alarms shall be raised for tank low level (when the supply drop to two Tons of salt). 3.10 Misting System 3.10.1 Misting Storage Tank The tank is located at level -2 (basement) and has a control interface at MCC2. The sprinkler water storage tanks will be monitored by the BMS independently from the Misting Pumpset controls system. Low and high water level and any pump running shall generate a BMS Alarm. 3.10.2 Misting Pump Sets Electrically Driven Misting Pump Set WMP1 Diesel Driven Misting Pump Set WMP2 Electrically Driven Misting Jockey Pump WMJP1 The pump sets are located in the low level basement (-2) plantroom and have a control interface at MCC2. Each of the misting pumpsets will be controlled from a packaged control panel, provided under the public health package. The packaged sprinkler pumps shall be monitored by the BMS via the electrical interfaces within a special marshalling box in the Sprinkler Misting Pumproom. The marshalling box will be provided by the sprinklermisting package. Electrical supplies to the sprinklermisting pump control panels shall be monitored and isolation of these supplies shall generate a BMS life safety alarm. The MCC shall be monitored by the BMS for a common fault indication which shall generate a BMS Alarm. The power supply for the SprinklerMisting Pump Package shall be provided under the Electrical Package. All field control wiring between the package control panel and the associated MCC shall be provided by the BMS Package.



The Sprinkler Misting Pump package shall be provided with a Life Safety Power Supply. The package control panel shall incorporate BMS detection of electrical isolation to the MCC or the individual pumps, generating a Life Safety Alarm on the BMS. 3.10.3 Misting and Sprinkler Fire Service Zone Test Pumps These pumps are to be located at each zone for the misting system. The pumps failures and shall have a run /failshall alarm that will generate an alarma signal on the BMS. 3.10.4 Sprinkler Fire Service Zone Pumps These pumps are to be located at each zone for the sprinkler system. The pumps failures and shall have a run/fail shall alarm that will generate an signal alarm on the BMS. 3.11 Combined Heating & Power (CHP) System 3.11.1 General The CHP unit will be a stand alone unit complete with integral packaged control system. The controls system shall allow common fault conditions and operating conditions to be displayed on the BMS. The CHP unit is designed to operate 18hrs per day and 7 days per week. The heat output from the unit shall provide the base load for the HWS via the HWS Calorifiers. The HWS is designed to allow the CHP to be the lead heating unit with the modular boiler providing the additional heat source when required. The unit also provides the building backup/essential power supply. Under emergency conditions (with the HWS disabled) the heat output from the unit shall be dissipated via the CHP dry air cooler located at ground level. The following alarms shall be provided the BMS system:-

1. Hours run. 2. KWH (Electrical ) supplied 3. KW (Heat ) supplied 4. CHP fault Alarm 5. Spare alarms ( 10 number)

3.11.2 Normal Operation Under normal operation the CHP shall be the lead heat source for the HWS. Hardwired Safety Interlocks The following safety interlocks are required prior to the CHP being enabled by the BMS:

• Fire alarm signal healthy. • Fireman’s switch to be normal.



• Plantroom emergency stop button healthy. • Calorifier LTHW circulating pumps differential pressure switch confirms flow proven

Operation Assuming that all switches are in the auto position and there are no abnormal conditions the following sequence shall occur: When there is an optimum start demand signal from the program controller, a start signal shall be generated. The CHP flow and return temperature shall be monitored. The CHP shall be monitored for a common fault signal. At the end of the program controlled time the CHP shall be disabled. 3.11.3 Emergency Operation Under emergency operation the CHP shall provide the building backup/essential power supply. Hardwired Safety Interlocks The following safety interlocks are required prior to the CHP being enabled by the BMS:

• Fireman’s switch to be normal. • Plantroom emergency stop button healthy. • CHP condenser pumps differential pressure switch confirms flow proven

Operation Assuming that all switches are in the auto position and there are no abnormal conditions the following sequence shall occur: Upon receipt of a signal indicating an emergency situation the CHP shall be either enabled or switched from ‘normal operation’ to emergency operation. The CHP flow and return temperature shall be monitored. The CHP shall be monitored for a common fault signal. Once the emergency operation has ended and power has been returned to normal, the CHP unit shall revert to ‘normal operation’ or be disabled if at end of running cycle. 3.11.4 CHP Dry Air Cooler CHP Dry Air Cooler CT-CHP-1 The CHP dry air cooler is located at ground 11th floor level and has a control interface at the MCC102. The CHP dry air cooler shall include a packaged control system. The controls system shall allow common fault conditions and operating conditions to be displayed on the BMS.



Hardwired Safety Interlocks The following safety interlocks are required prior to the air coolers being enabled by the BMS:

• Fireman’s switch to be normal. • Plantroom emergency stop button healthy. • Condenser pressurisation unit healthy. • Condenser pumps differential pressure switch confirms flow proven.

Normal Operation Assuming that all switches are in the auto position and there are no abnormal conditions the following sequence shall occur: A start signal shall be generated following the startup of the CHP unit. The condenser flow and return temperature shall be monitored. Each air cooler shall be monitored for a common fault signal. The air coolers shall be disabled upon CHP close down and acceptable control of return temperature. 3.11.5 CHP Condenser Pumps CHP Condenser Pump (Variable Speed) P-CHP-1 CHP Condenser Pump (Variable Speed) P-CHP-2 The CHP condenser pumps are located in the low level basement (-2) plantroom and have a control interface at MCC2. The pumps are designed to run duty and standby. Hardwired Safety Interlocks The following safety interlocks are required prior to the condenser pumps being enabled by the BMS:

• Fireman’s switch to be normal. • Plantroom emergency stop button healthy. • LTHWCondenser pressurisation unit healthy.

Normal Operation Assuming that all switches are in the auto position and there are no abnormal conditions the following sequence shall occur: The duty pump shall be enabled by the BMS, upon a demand from the CHP operation. Upon the pumps being enabled, a delay timer within the software shall be started to negate false alarms from the differential pressure switch mounted across the each duty pump. If the



differential pressure switch indicates a flow failure condition after the delay timer has elapsed the standby pump shall be enabled and the delay timer is re-started. The inoperable duty pump shall be locked out by the software from running, and an alarm shall be generated at the keypad. The pump lockout can be reset via the facia-mounted keypad. At the end of required operation time the pumps shall run on for a further 15 minutes to dissipate residual heat in the system. Pump duty sequences shall be rotated every 7 days at start up. Alarms Alarms shall be raised for:

• Condenser Pump 1 Flow Fail • Condenser Pump 2 Flow Fail • All Pumps Flow Fail

3.12 Ventilation System 3.12.1.1 Guest Room Fan Coil Units The fan coil unit shall be controlled by the INCOMM system through a control panel and also via INCOMM two port pressure independent control valves to be free issued to the fan coil manufacturer. There shall be a wall mounted control unit with an internal sensor. The system shall control the temperature to the design limitations stated within the mechanical specification with a manual fan speed low medium and high on the room control wall mounted control unit, there shall also be a plus or minus 3 degrees manual trimming on the unit. The control shall be linked to the door entry system to allow a further 1 degree drift from design criterion. All the Fan coil units shall operate as a master unit, modulating the waterside heating and cooling valves in sequence to maintain the return air setpoint. The fan coil unit control setpoint shall be set at 22°c. The return air is monitored with an air temperature sensor. The setpoint shall be capable of being altered via the facia mounted keypad. When the room is sold/rented, the fan is to run continuously at the occupant selected default speed and is not to cycle on and off with temperature. When a guest occupies the room, the thermostat is not to override the setpoint or fan speed or fan status selected by the guest. 3.12.1.2 Back of House Fan Coil Units The fan coil unit shall be controlled by fan coil mounted outstation through a control panel and also via two port pressure independent control valves to be free issued to the fan coil manufacturer.



There shall be a wall mounted control unit with an internal sensor. The system shall control the temperature to the design limitations stated within the mechanical specification with a manual fan speed low medium and high on the room control wall mounted control unit, there shall also be a plus or minus 3 degrees manual trimming on the unit. All the Fan coil units shall operate as a master unit, modulating the waterside heating and cooling valves in sequence to maintain the return air setpoint. The fan coil unit control setpoint shall be set at the room desired temperature as outlined in the mechanical specification. The return air is monitored with an air temperature sensor. The setpoint shall be capable of being altered via the facia mounted keypad. When the area is occupied, the fan is to run continuously at the user selected default speed and is not to cycle on and off with temperature. When the room is occupied, the thermostat is not to override the setpoint or fan speed or fan status selected by the occupier. 3.12.1.3 10th Floor area Fan Coil Units The fan coil unit shall be controlled by fan coil mounted outstation through a control panel and also via two port pressure independent control valves to be free issued to the fan coil manufacturer. There shall be a wall mounted control unit with an internal sensor. The system shall control the temperature to the design limitations stated within the mechanical specification with a manual fan speed low medium and high on the room control wall mounted control unit, there shall also be a plus or minus 3 degrees manual trimming on the unit. The control shall be linked to a timelocked system to allow set point to drift in unoccupied times. Fan coil units shall operate as a master unit for single Fan Coil Units to room situations, modulating the waterside heating and cooling valves in sequence to maintain the return air setpoint. Where a single area/room is served by multiple fan coil units the sytem shall be set to a slave/master relationship with averaging sensor feeds taken from all units. The fan coil unit control setpoint shall be set at the room desired temperature as outlined in the mechanical specification. The return air is monitored with an air temperature sensor. The setpoint shall be capable of being altered via the facia mounted keypad. When the area is occupied, the fan is to run continuously at the user selected default speed and is not to cycle on and off with temperature. When the room is occupied, the thermostat is not to override the setpoint or fan speed or fan status selected by the occupier. 3.12.2 FOH Ground Floor AHU FOH Ground Floor AHU AHU-001 The AHU is located in the sub-basement plantroom and has a control interface at MCC2. The BMS shall control and monitor the AHU supplying conditioned air to the ground floor FOH areas. The AHU is a variable volume type supplying pressure independent VAV Boxes via supply duct networks maintained at constant pressure. The AHU will have a return air mixing box.



Each variable speed fan (supply and extract) shall be driven by a dedicated integral inverter. Speed control of each supply fan shall be controlled by the BMS to maintain a supply duct pressure setpoint. For systems serving a single zone of VAV Boxes, the extract fan speed shall be adjusted by tracking the supply fan speed. For systems serving more than one zone of VAV Boxes, the extract fan speed shall be referenced to a VAV Box polling system, the BMS calculating the extract volume required from the VAV Box duties and openings. Minimum fresh air volumes for each system shall be maintained by increasing the proportion of fresh air when the overall supply volume reduces. The BMS shall achieve this via a velocity grid in the fresh air intake connection, referenced to the supply fan speed. The BMS shall ensure 10% positive over-supply by offsetting the supply and extract volumes. The AHU system consists of the following components:

• Extract fan • Mixing box • Outside air damper • Exhaust air damper • Recirculation damper • Panel filter (G4) • Bag filter (F7) • CHW cooling coil (complete with control valve) • Main LTHW heater coil (complete with control valve) • Supply fan

3.12.2.1 Control Panel Display (MCC2) The Control Panel shall display the following for local interrogation:

• Supply Fan Hand/Off/Auto Switch • Supply Fan Running (Green) • Supply Fan Fault (Red) • Extract Fan Hand/Off/Auto Switch • Extract Fan Running (Green) • Extract Fan Fault (Red) • Panel Filter Dirty Alarm (Red) • Bag Filter Dirty Alarm (Red) • Frost Mode (Red)

3.12.2.2 Start Up The supply and extract fan shall be enabled on a dedicated time schedule or alternatively the fans shall be overridden via software at the front-end supervisor workstation and/or the Hand/Off/Auto switch on the local control panel. 3.12.2.3 Normal Mode Temperature Control Once temperature control is enabled the AHU, through the BMS, shall maintain a supply temperature by modulating in sequence the CHW cooling coil and the LTHW main heating coil.



Temperature is sensed by a duct mounted air sensor. An ‘out of limits’ alarm will be generated at the front-end supervisor if the temperature exceeds set-point by ± 2 ºC for a period exceeding 5 Minutes. This alarm will be disabled for the first 15 minutes of operation after start-up. 3.12.2.4 Shutdown The AHU system shall be shutdown should time schedules be disabled, via software override, fire alarm, temperature sensor failure or high duct static pressure (static pressure switch above 500 Pa). The BMS shall close the main heating coil valve, the main cooling valve and disable the fan. 3.12.2.5 Interlocks The supply fan shall be interlocked with the extract fan, fresh air damper and the duct high pressure switch. The supply and extract fans shall be interlocked such that should one fail the other shall be disabled. 3.12.2.6 Alarms The BMS shall disable the AHU and raise an alarm at the front-end supervisor workstation for:

• Supply Fan Failure • Supply Fan Fault • Extract Fan Failure • Extract Fan Fault • Duct High Pressure Switch Alarm • Supply Temperature Sensor Failure • Frost Protection Thermostat Alarm

The alarm shall be manually reset by the BMS supervisor at the front end. The BMS shall also raise alarms at the front-end supervisor workstation for:

• Out of Limits Supply Temperature • Bag Filter Dirty • Panel Filter Dirty

3.12.2.7 Fire Condition The AHU shall be hard-wire disabled by the fire alarm system and mimicked by the BMS control software to prevent mismatch alarms. The BMS shall also close all heating and cooling coil valves and dampers. 3.12.3 FOH Ground Floor Humidifier FOH Ground Floor Humidifier HUM-001 The humidifier is located in the sub-basement plantroom and has a control interface at MCC2.



The humidifier will control the zone humidity by varying the amount of steam supplied to the air stream. The rate at which the steam is dispersed into the supply air stream will affect the relative humidity of the air. The Humidity sensor shall be located in the return air duct to measure the relative humidity in each zone. A high level supply air relative humidity limit prevents moisture formation by limiting the maximum control signal that can be sent to the humidifier. A sensor in the supply air stream shall monitor this. The humidifier is to incorporate a 4 stage step control. Hardwired Safety Interlocks The following safety interlocks are required prior to the humidifier being enabled by the BMS:

• Fire alarm signal healthy. • Fireman’s switch to be normal. • Plantroom emergency stop button healthy. • AHU supply fan proven.

Normal Operation Assuming that all switches are in the auto position and there are no abnormal conditions the following sequence shall occur: The humidifier shall be enabled and the water valve opened when the supply fan is proven and the BMS signals a normal operation. The humidifier control signal shall be modulated when the zone humidity is below the setpoint of 45% RH. The signal is produced under PI control in order to obtain the zone humidification setpoint of 45% RH. The humidifier control signal is limited by a high-limit supply air humidity setpoint of 80% RH. Alarms

• Humidifier Fail. • Humidity high level • Humidity low level.

3.12.4 BOH Basement and Ground Floor AHU BOH AHU AHU-002 The AHU is located in the sub-basement plantroom and has a control interface at MCC5. The BMS shall control and monitor the AHU supplying conditioned primary fresh air to the basement and ground floor areas. The fresh air is routed to the room fan coil units that provide both heating and cooling via 4 pipe control. The AHU system consists of the following components (in the direction of flow):

• Motorised fresh air intake damper



• LTHW frost heater coil (complete with control valve) • Panel filter (G4) • Bag filter (F7) • CHW cooling coil (complete with control valve) • Main LTHW heater coil (complete with control valve) • Supply fan


• Supply Fan Hand/Off/Auto Switch • Supply Fan Running (Green) • Supply Fan Fault (Red) • Panel Filter Dirty Alarm (Red) • Bag Filter Dirty Alarm (Red) • Frost Mode (Red)

3.12.4.2 Start Up The supply fan shall be enabled on a dedicated time schedule or alternatively the fan shall be overridden via software at the front-end supervisor workstation and/or the Hand/Off/Auto switch on the local control panel. On system start-up the BMS shall sequence and enable the fresh air intake damper and the exhaust damper of the associated extract fan (EF-002). Once the fresh air intake damper and the exhaust air damper are open the BMS shall enable the supply and extract fans to a set speed (set during commissioning). The supply and extract fans are to be hard wired interlocked and prevented from starting if either fails. 3.12.4.3 Frost Start Up Should the AHU frost protection thermostat be in frost mode (below 3°C) during a start-up routine the BMS shall enable the LTHW frost heater coil valve to 100%. The BMS shall remain in frost start-up condition until the frost mode is cleared. If after 120 seconds the frost mode has not been cleared the BMS shall disable the AHU and raise an alarm. 3.12.4.4 Normal Mode Frost Protection The BMS shall modulate the frost protection heating coil valve to maintain an off coil duct temperature set at 5°C. A frost protection thermostat set initially to 3°C located in front of the CHW Cooling coil shall hard-wire inhibit the operation of the fan. 3.12.4.5 Normal Mode Temperature Control Once temperature control is enabled the AHU, through the BMS, shall maintain a supply temperature set-point of 22ºC ±1ºC by modulating in sequence the CHW cooling coil and the LTHW main heating coil. Temperature is sensed by a duct mounted air sensor. An ‘out of limits’ alarm will be generated at the front-end supervisor if the temperature exceeds set-point by ± 2 ºC for a period exceeding 5 Minutes. This alarm will be disabled for the first 15 minutes of operation after start-up.



3.12.4.6 Shutdown The AHU system shall be shutdown should time schedules be disabled, via software override, fire alarm, frost alarm (thermostat below 3 ºC), temperature sensor failure or high duct static pressure (static pressure switch above 500 Pa). The BMS shall close the main heating coil valve, the main cooling valve and disable the fan. Once the fan has stopped the BMS shall close the frost heater coil valve and the fresh air intake damper. 3.12.4.7 Out of Hours Frost Protection While the system is disabled, should the BMS indicate either a frost protection air temperature or water temperature routine the BMS shall open all AHU LTHW coil valves to 25% until the frost mode is cleared. 3.12.4.8 Interlocks The supply fan shall be interlocked with the fresh air damper, the duct high pressure switch and the frost thermostat statuses. The supply and extract fan (EF-002) shall be interlocked such that should one fail the other shall be disabled. 3.12.4.9 Alarms The BMS shall disable the AHU and raise an alarm at the front-end supervisor workstation for:

• Fan Failure • Fan Fault • Duct High Pressure Switch Alarm • Supply Temperature Sensor Failure • Frost Protection Thermostat Alarm



3.12.4.10 Fire Condition The AHU shall be hard-wire disabled by the fire alarm system and mimicked by the BMS control software to prevent mismatch alarms. The BMS shall also close all heating and cooling coil valves and dampers. 3.12.5 BOH Ground Floor & Mezzanine Extract Fan BOH Ground Floor & Mezz Extract Fan EF-002 The extract fan is located on the ground floor high level roadway and has a control interface at MCC5.



The BMS shall control and monitor the fan extracting air to the ground floor and mezzanine areas. The fan system consists of the following components:

• Extract Fan • Exhaust Damper

3.12.5.1 Control Panel Fascia Display

• Extract Fan Hand/Off/Auto Switch • Extract Fan Running (Green) • Extract Fan Fault (Red)

3.12.5.2 Start Up The extract fan shall be enabled on request from the basement and ground floor AHU or alternatively the fan shall be overridden via software at the front-end supervisor workstation and/or the Hand/Off/Auto switch on the local control panel. On system start-up the BMS shall enable the exhaust damper for the extract fan. Once the exhaust damper is open (via hard wired interlock) the BMS shall enable the extract fan to set speed (set during commissioning). 3.12.5.3 Shutdown The fan shall be disabled when the basement and ground floor AHU is disabled, via software override or fire alarm. 3.12.5.4 Interlocks The fan shall be interlocked with the exhaust air damper. The extract fan shall be interlocked with the basement and ground floor AHU such that should one fail the other shall be disabled. 3.12.5.5 Alarms The BMS shall disable the AHU and raise an alarm at the front-end supervisor workstation for:

• Fan Failure The alarm shall be latched until reset by the BMS supervisor. 3.12.5.6 Fire Condition The fan shall be hard-wire disabled by the fire alarm system and mimicked by the BMS control software to prevent mismatch alarms. 3.12.6 Communications Riser AHU Communications Riser AHU AHU-003 The AHU is located in the sub-basement plantroom and has a control interface at MCC2.



The BMS shall control and monitor the AHU supplying conditioned fresh air at constant volume to the communications riser. The AHU system consists of the following components (in the direction of flow):

• Motorised fresh air intake damper • LTHW frost heater coil (complete with control valve) • Panel filter (G4) • Bag filter (F7) • CHW cooling coil (complete with control valve) • Main LTHW heater coil (complete with control valve) • Supply fan



3.12.6.2 Start Up The supply fan shall be enabled on a dedicated time schedule or alternatively the fan shall be overridden via software at the front-end supervisor workstation and/or the Hand/Off/Auto switch on the local control panel. On system start-up the BMS shall sequence and enable the fresh air intake damper and the exhaust damper of the associated extract fan (EF-508). Once the fresh air intake damper and the exhaust air damper are open the BMS shall enable the supply and extract fans to a set speed (set during commissioning). The supply and extract fans are to be hard wired interlocked and prevented from starting if either fails. 3.12.6.3 Frost Start Up Should the AHU frost protection thermostat be in frost mode (below 3°C) during a start-up routine the BMS shall enable the LTHW frost heater coil valve to 100%. The BMS shall remain in frost start-up condition until the frost mode is cleared. If after 120 seconds the frost mode has not been cleared the BMS shall disable the AHU and raise an alarm. 3.12.6.4 Normal Mode Frost Protection The BMS shall modulate the frost protection heating coil valve to maintain an off coil duct temperature set at 5°C. A frost protection thermostat set initially to 3°C located in front of the CHW Cooling coil shall hard-wire inhibit the operation of the fan. 3.12.6.5 Normal Mode Temperature Control Once temperature control is enabled the AHU, through the BMS, shall maintain a supply temperature set-point of 22ºC ±1ºC by modulating in sequence the CHW cooling coil and the LTHW main heating coil.



Temperature is sensed by a duct mounted air sensor. An ‘out of limits’ alarm will be generated at the front-end supervisor if the temperature exceeds set-point by ± 2 ºC for a period exceeding 5 Minutes. This alarm will be disabled for the first 15 minutes of operation after start-up. 3.12.6.6 Shutdown The AHU system shall be shutdown should time schedules be disabled, via software override, fire alarm, frost alarm (thermostat below 3 ºC), temperature sensor failure or high duct static pressure (static pressure switch above 500 Pa). The BMS shall close the main heating coil valve, the main cooling valve and disable the fan. Once the fan has stopped the BMS shall close the frost heater coil valve and the fresh air intake damper. 3.12.6.7 Out of Hours Frost Protection While the system is disabled, should the BMS indicate either a frost protection air temperature or water temperature routine the BMS shall open all AHU LTHW coil valves to 25% until the frost mode is cleared. 3.12.6.8 Interlocks The supply fan shall be interlocked with the fresh air damper, the duct high pressure switch and the frost thermostat statuses. The supply and extract fan (EF-508) shall be interlocked such that should one fail the other shall be disabled. 3.12.6.9 Alarms The BMS shall disable the AHU and raise an alarm at the front-end supervisor workstation for:




3.12.6.10 Fire Condition The AHU shall be hard-wire disabled by the fire alarm system and mimicked by the BMS control software to prevent mismatch alarms. The BMS shall also close all heating and cooling coil valves and dampers.



3.12.7 Communications Riser Extract Fan Communications Riser Extract Fan EF-508 The extract fan is located in the 11th floor plantroom and has a control interface at MCC10. The BMS shall control and monitor the fan extracting air from the communications riser. The fan system consists of the following components (in the direction of flow):




3.12.7.2 Start Up The extract fan shall be enabled on request from the communications riser AHU or alternatively the fan shall be overridden via software at the front-end supervisor workstation and/or the Hand/Off/Auto switch on the local control panel. On system start-up the BMS shall enable the exhaust damper for the extract fan. Once the exhaust damper is open (via hard wired interlock) the BMS shall enable the extract fan to set speed (set during commissioning). 3.12.7.3 Shutdown The fan shall be disabled when the communications riser AHU is disabled, via software override or fire alarm. 3.12.7.4 Interlocks The fan shall be interlocked with the exhaust air damper. The extract fan shall be interlocked with the communications riser AHU such that should one fail the other shall be disabled. 3.12.7.5 Alarms The BMS shall disable the AHU and raise an alarm at the front-end supervisor workstation for:

• Fan Failure The alarm shall be latched until reset by the BMS supervisor. 3.12.7.6 Fire Condition The fan shall be hard-wire disabled by the fire alarm system and mimicked by the BMS control software to prevent mismatch alarms.



3.12.8 Laundry AHU Laundry AHU AHU-004 The AHU is located in the sub-basement plantroom and has a control interface at MCC2. The BMS shall control and monitor the AHU supplying conditioned fresh air at constant volume to the laundry area. The AHU system consists of the following components (in the direction of flow):




3.12.8.2 Start Up The supply fan shall be enabled on a dedicated time schedule or alternatively the fan shall be overridden via software at the front-end supervisor workstation and/or the Hand/Off/Auto switch on the local control panel. On system start-up the BMS shall sequence and enable the fresh air intake damper and the exhaust damper of the associated extract fan (EF-104). Once the fresh air intake damper and the exhaust air damper are open the BMS shall enable the supply and extract fans to a set speed (set during commissioning). The supply and extract fans are to be hard wired interlocked and prevented from starting if either fails. 3.12.8.3 Frost Start Up Should the AHU frost protection thermostat be in frost mode (below 3°C) during a start-up routine the BMS shall enable the LTHW frost heater coil valve to 100%. The BMS shall remain in frost start-up condition until the frost mode is cleared. If after 120 seconds the frost mode has not been cleared the BMS shall disable the AHU and raise an alarm. 3.12.8.4 Normal Mode Frost Protection The BMS shall modulate the frost protection heating coil valve to maintain an off coil duct temperature set at 5°C. A frost protection thermostat set initially to 3°C located in front of the CHW Cooling coil shall hard-wire inhibit the operation of the fan.



3.12.8.5 Normal Mode Temperature Control Once temperature control is enabled the AHU, through the BMS, shall maintain a supply temperature set-point of 22ºC ±1ºC by modulating in sequence the CHW cooling coil and the LTHW main heating coil. Temperature is sensed by a duct mounted air sensor. An ‘out of limits’ alarm will be generated at the front-end supervisor if the temperature exceeds set-point by ± 2 ºC for a period exceeding 5 Minutes. This alarm will be disabled for the first 15 minutes of operation after start-up. 3.12.8.6 Shutdown The AHU system shall be shutdown should time schedules be disabled, via software override, fire alarm, frost alarm (thermostat below 3 ºC), temperature sensor failure or high duct static pressure (static pressure switch above 500 Pa). The BMS shall close the main heating coil valve, the main cooling valve and disable the fan. Once the fan has stopped the BMS shall close the frost heater coil valve and the fresh air intake damper. 3.12.8.7 Out of Hours Frost Protection While the system is disabled, should the BMS indicate either a frost protection air temperature or water temperature routine the BMS shall open all AHU LTHW coil valves to 25% until the frost mode is cleared. 3.12.8.8 Interlocks The supply fan shall be interlocked with the fresh air damper, the duct high pressure switch and the frost thermostat statuses. The supply and extract fan (EF-104) shall be interlocked such that should one fail the other shall be disabled. 3.12.8.9 Alarms The BMS shall disable the AHU and raise an alarm at the front-end supervisor workstation for:




3.12.8.10 Fire Condition



The AHU shall be hard-wire disabled by the fire alarm system and mimicked by the BMS control software to prevent mismatch alarms. The BMS shall also close all heating and cooling coil valves and dampers. 3.12.9 Laundry Extract Fan A Laundry Extract Fan EF-104A The extract fan is located in the basement laundry plantroom and has a control interface at MCC3. The variable speed extract fan shall be driven by a dedicated integral inverter. Speed control of each extract fan shall be controlled by the BMS. The BMS shall control and monitor the fan extracting air from the laundry area. The fan system consists of the following components (in the direction of flow):




3.12.9.2 Start Up The extract fan shall be enabled on request from the laundry AHU or alternatively the fan shall be overridden via software at the front-end supervisor workstation and/or the Hand/Off/Auto switch on the local control panel. On system start-up the BMS shall enable the exhaust damper for the extract fan. Once the exhaust damper is open (via hard wired interlock) the BMS shall enable the extract fan to set speed (set during commissioning). 3.12.9.3 Shutdown The fan shall be disabled when the laundry AHU is disabled, via software override or fire alarm. 3.12.9.4 Interlocks The fan shall be interlocked with the exhaust air damper. The extract fan shall be interlocked with the laundry AHU such that should one fail the other shall be disabled.r The fan shall be interlocked to EF-104A to extract an overall rate to match that of the supply fan AHU-004 3.12.9.5 Alarms



The BMS shall disable the AHU and raise an alarm at the front-end supervisor workstation for:

• Fan Failure The alarm shall be latched until reset by the BMS supervisor. 3.12.9.6 Fire Condition The fan shall be hard-wire disabled by the fire alarm system and mimicked by the BMS control software to prevent mismatch alarms. 3.12.10 Laundry Dryer Extract Fan B Laundry Dryer Extract Fan EF-104B The extract fan is located in the basement laundry plantroom and has a control interface at MCC3. The variable speed extract fan shall be driven by a dedicated integral inverter. Speed control of each extract fan shall be controlled by the BMS. The BMS shall control and monitor the fan extracting air from the laundry area. The fan system consists of the following components (in the direction of flow):




3.12.10.2 Start Up The extract fan shall be enabled on request from the laundry AHU or alternatively the fan shall be overridden via software at the front-end supervisor workstation and/or the Hand/Off/Auto switch on the local control panel. On system start-up the BMS shall enable the exhaust damper for the extract fan. Once the exhaust damper is open (via hard wired interlock) the BMS shall enable the extract fan to set speed (set during commissioning). 3.12.10.3 Shutdown The fan shall be disabled when the laundry AHU is disabled, via software override or fire alarm. 3.12.10.4 Interlocks The fan shall be interlocked with the exhaust air damper.



The extract fan shall be interlocked with the laundry AHU such that should one fail the other shall be disabled. The extract fan shall be interlocked to EF-104A to extract an overall rate to match that of the supply fan AHU-004 3.12.10.5 Alarms The BMS shall disable the AHU and raise an alarm at the front-end supervisor workstation for:

• Fan Failure The alarm shall be latched until reset by the BMS supervisor. 3.12.10.6 Fire Condition The fan shall be hard-wire disabled by the fire alarm system and mimicked by the BMS control software to prevent mismatch alarms. 3.12.103.12.11 Su

b-Basement Plantroom AHU Sub-Basement Plantroom AHU AHU-005 The AHU is located in the sub-basement plantroom and has a control interface at MCC2. The BMS shall control and monitor the AHU supplying conditioned fresh air at constant volume to the sub-basement plantroom. The AHU system consists of the following components (in the direction of flow):

• Motorised fresh air intake damper • LTHW frost heater coil (complete with control valve) • Panel filter (G4) • Bag filter (F7) • Supply fan

3.12.10.13.12.11.1 Co

ntrol Panel Display (MCC2) The Control Panel shall display the following for local interrogation:


3.12.10.23.12.11.2 Sta

rt Up



The supply fan shall be enabled on a dedicated time schedule or alternatively the fan shall be overridden via software at the front-end supervisor workstation and/or the Hand/Off/Auto switch on the local control panel. On system start-up the BMS shall sequence and enable the fresh air intake damper and the exhaust damper of the associated extract fan (EF-003). Once the fresh air intake damper and the exhaust air damper are open the BMS shall enable the supply and extract fans to a set speed (set during commissioning). The supply and extract fans are to be hard wired interlocked and prevented from starting if either fails. 3.12.10.33.12.11.3 Fro

st Start Up Should the AHU frost protection thermostat be in frost mode (below 3°C) during a start-up routine the BMS shall enable the LTHW frost heater coil valve to 100%. The BMS shall remain in frost start-up condition until the frost mode is cleared. If after 120 seconds the frost mode has not been cleared the BMS shall disable the AHU and raise an alarm. 3.12.10.43.12.11.4 Nor

mal Mode Frost Protection The BMS shall modulate the frost protection heating coil valve to maintain an off coil duct temperature set at 5°C. A frost protection thermostat set initially to 3°C located in front of the CHW Cooling coil shall hard-wire inhibit the operation of the fan. 3.12.10.53.12.11.5 Nor

mal Mode Temperature Control Once temperature control is enabled the AHU, through the BMS, shall maintain a supply temperature set-point of 22ºC ±1ºC by modulating in the LTHW frost coil. Temperature is sensed by a duct mounted air sensor. An ‘out of limits’ alarm will be generated at the front-end supervisor if the temperature exceeds set-point by ± 2 ºC for a period exceeding 5 Minutes. This alarm will be disabled for the first 15 minutes of operation after start-up. 3.12.10.63.12.11.6 Sh

utdown The AHU system shall be shutdown should time schedules be disabled, via software override, fire alarm, frost alarm (thermostat below 3 ºC), temperature sensor failure or high duct static pressure (static pressure switch above 500 Pa). The BMS shall close the main heating coil valve, the main cooling valve and disable the fan. Once the fan has stopped the BMS shall close the frost heater coil valve and the fresh air intake damper. 3.12.10.73.12.11.7 Out

of Hours Frost Protection While the system is disabled, should the BMS indicate either a frost protection air temperature or water temperature routine the BMS shall open all AHU LTHW coil valves to 25% until the frost mode is cleared.



3.12.10.83.12.11.8 Interlocks

The supply fan shall be interlocked with the fresh air damper, the duct high pressure switch and the frost thermostat statuses. The supply and extract fan (EF-003) shall be interlocked such that should one fail the other shall be disabled. 3.12.10.93.12.11.9 Ala

rms The BMS shall disable the AHU and raise an alarm at the front-end supervisor workstation for:




3.12.10.103.12.11.10 Fir

e Condition The AHU shall be hard-wire disabled by the fire alarm system and mimicked by the BMS control software to prevent mismatch alarms. The BMS shall also close all heating and cooling coil valves and dampers. 3.12.113.12.12 Su

b-Basement Plantroom Extract Fan Sub-Basement Plantroom Extract Fan EF-003 The extract fan is located in the sub-basement plantroom and has a control interface at MCC2. The BMS shall control and monitor the fan extracting air from the sub-basement plantroom. The fan system consists of the following components (in the direction of flow):


3.12.11.13.12.12.1 Co

ntrol Panel Fascia Display

• Extract Fan Hand/Off/Auto Switch • Extract Fan Running (Green)



• Extract Fan Fault (Red) 3.12.11.23.12.12.2 Sta

rt Up The extract fan shall be enabled on request from the sub-basement plantroom AHU or alternatively the fan shall be overridden via software at the front-end supervisor workstation and/or the Hand/Off/Auto switch on the local control panel. On system start-up the BMS shall enable the exhaust damper for the extract fan. Once the exhaust damper is open (via hard wired interlock) the BMS shall enable the extract fan to set speed (set during commissioning). 3.12.11.33.12.12.3 Sh

utdown The fan shall be disabled when the sub-basement plantroom AHU is disabled, via software override or fire alarm. 3.12.11.43.12.12.4 Int

erlocks The fan shall be interlocked with the exhaust air damper. The extract fan shall be interlocked with the sub-basement plantroom AHU such that should one fail the other shall be disabled. 3.12.11.53.12.12.5 Ala


• Fan Failure The alarm shall be latched until reset by the BMS supervisor. 3.12.11.63.12.12.6 Fir

e Condition The fan shall be hard-wire disabled by the fire alarm system and mimicked by the BMS control software to prevent mismatch alarms. 3.12.123.12.13 Ba

sement Offices/Stores AHU Basement Offices/Stores AHU AHU-101 The AHU is located in the basement plantroom and has a control interface at MCC3. The BMS shall control and monitor the AHU supplying conditioned fresh air at constant volume to the basement offices/stores. The fresh air is routed to the room fan coil units that provide both heating and cooling via 4 pipe control. The AHU system consists of the following components (in the direction of flow):




3.12.12.13.12.13.1 Co



3.12.12.23.12.13.2 Sta

rt Up The supply fan shall be enabled on a dedicated time schedule or alternatively the fan shall be overridden via software at the front-end supervisor workstation and/or the Hand/Off/Auto switch on the local control panel. On system start-up the BMS shall sequence and enable the fresh air intake damper and the exhaust damper of the associated extract fan (EF-101). Once the fresh air intake damper and the exhaust air damper are open the BMS shall enable the supply and extract fans to a set speed (set during commissioning). The supply and extract fans are to be hard wired interlocked and prevented from starting if either fails. 3.12.12.33.12.13.3 Fro



mal Mode Temperature Control Once temperature control is enabled the AHU, through the BMS, shall maintain a supply temperature set-point of 22ºC ±1ºC by modulating in sequence the CHW cooling coil and the LTHW main heating coil.



Temperature is sensed by a duct mounted air sensor. An ‘out of limits’ alarm will be generated at the front-end supervisor if the temperature exceeds set-point by ± 2 ºC for a period exceeding 5 Minutes. This alarm will be disabled for the first 15 minutes of operation after start-up. 3.12.12.63.12.13.6 Sh


of Hours Frost Protection While the system is disabled, should the BMS indicate either a frost protection air temperature or water temperature routine the BMS shall open all AHU LTHW coil valves to 25% until the frost mode is cleared. 3.12.12.83.12.13.8 Int

erlocks The supply fan shall be interlocked with the fresh air damper, the duct high pressure switch and the frost thermostat statuses. The supply and extract fan (EF-101) shall be interlocked such that should one fail the other shall be disabled. 3.12.12.93.12.13.9 Ala





3.12.12.103.12.13.10 Fir

e Condition



The AHU shall be hard-wire disabled by the fire alarm system and mimicked by the BMS control software to prevent mismatch alarms. The BMS shall also close all heating and cooling coil valves and dampers. 3.12.133.12.14 Ba

sement BOH Offices & Stores Extract Fan Basement BOH Offices & Stores Extract Fan EF-101 The extract fan is located in the basement plantroom north and has a control interface at MCC3. The BMS shall control and monitor the fan extracting air from the basement BOH offices and stores area. The fan system consists of the following components (in the direction of flow):


3.12.13.13.12.14.1 Co



3.12.13.23.12.14.2 Sta

rt Up The extract fan shall be enabled on request from the basement BOH offices and stores AHU or alternatively the fan shall be overridden via software at the front-end supervisor workstation and/or the Hand/Off/Auto switch on the local control panel. On system start-up the BMS shall enable the exhaust damper for the extract fan. Once the exhaust damper is open (via hard wired interlock) the BMS shall enable the extract fan to set speed (set during commissioning). 3.12.13.33.12.14.3 Sh

utdown The fan shall be disabled when the basement BOH offices and stores AHU is disabled, via software override or fire alarm. 3.12.13.43.12.14.4 Int

erlocks The fan shall be interlocked with the exhaust air damper. The extract fan shall be interlocked with the basement BOH offices and stores AHU such that should one fail the other shall be disabled. 3.12.13.53.12.14.5 Ala

rms





e Condition The fan shall be hard-wire disabled by the fire alarm system and mimicked by the BMS control software to prevent mismatch alarms. 3.12.143.12.15 CH

P Plantroom Supply Fan CHP Plantroom Supply Fan SF-102 The supply fan is located in the basement plantroom and has a control interface at MCC3. The BMS shall control and monitor the supply fan supplying air to the CHP plantroom. The fan shall be operational when the CHP plant is running. The fan system consists of the following components:

• Motorised intake damper • Panel filter (G4) • Supply fan

3.12.14.13.12.15.1 Co


• Supply Fan Hand/Off/Auto Switch • Supply Fan Running (Green) • Supply Fan Fault (Red) • Panel Filter Dirty Alarm (Red)

3.12.14.23.12.15.2 Sta

rt Up The supply fan shall be enabled on a dedicated time schedule or alternatively the fan shall be overridden via software at the front-end supervisor workstation and/or the Hand/Off/Auto switch on the local control panel. On system start-up the BMS shall sequence and enable the intake damper and the exhaust damper of the associated extract fan (EF-102). Once the intake damper and the exhaust air damper are open the BMS shall enable the supply and extract fans to a set speed (set during commissioning). The supply and extract fans are to be hard wired interlocked and prevented from starting if either fails. 3.12.14.33.12.15.3 Sh

utdown



The fan shall be shutdown should time schedules be disabled, via software override, fire alarm or high duct static pressure (static pressure switch above 500 Pa). The BMS shall disable the fan. Once the fan has stopped the BMS shall close the intake damper. 3.12.14.43.12.15.4 Int

erlocks The supply fan shall be interlocked with the intake damper and the duct high pressure switch. The supply and extract fan (EF-102) shall be interlocked such that should one fail the other shall be disabled. 3.12.14.53.12.15.5 Ala

rms The BMS shall disable the fan and raise an alarm at the front-end supervisor workstation for:

• Fan Failure • Fan Fault • Duct High Pressure Switch Alarm


• Panel Filter Dirty 3.12.14.63.12.15.6 Fir

e Condition The fan shall be hard-wire disabled by the fire alarm system and mimicked by the BMS control software to prevent mismatch alarms. 3.12.153.12.16 CH

P Plantroom Extract Fan CHP Plantroom Extract Fan EF-102 The extract fan is located in the basement plantroom and has a control interface at MCC3. The BMS shall control and monitor the fan extracting air from the CHP plantroom. The fan system consists of the following components (in the direction of flow):


3.12.15.13.12.16.1 Co


• Extract Fan Hand/Off/Auto Switch • Extract Fan Running (Green)



• Extract Fan Fault (Red) 3.12.15.23.12.16.2 Sta

rt Up The extract fan shall be enabled on request from the CHP plantroom AHU or alternatively the fan shall be overridden via software at the front-end supervisor workstation and/or the Hand/Off/Auto switch on the local control panel. On system start-up the BMS shall enable the exhaust damper for the extract fan. Once the exhaust damper is open (via hard wired interlock) the BMS shall enable the extract fan to set speed (set during commissioning). 3.12.15.33.12.16.3 Sh

utdown The fan shall be disabled when the CHP plantroom AHU is disabled, via software override or fire alarm. 3.12.15.43.12.16.4 Int

erlocks The fan shall be interlocked with the exhaust air damper. The extract fan shall be interlocked with the CHP plantroom AHU such that should one fail the other shall be disabled. 3.12.15.53.12.16.5 Ala



e Condition The fan shall be hard-wire disabled by the fire alarm system and mimicked by the BMS control software to prevent mismatch alarms. 3.12.163.12.17 Car

park Supply Fan Carpark Supply Fan SF-101 The supply fan is located in the basement carpark and has a control interface at MCC3. The BMS shall control and monitor the supply fan supplying air to the carpark. The fan shall be linked to CO monitors sensors located in the carpark. The monitors shall be linked to a control unit that will interface with the BMS. On receipt of a high level CO reading from the control system the supply fan shall be enabled. The fan system consists of the following components:



• Motorised intake damper • Panel filter (G4) • Supply fan

3.12.16.13.12.17.1 Co


• Supply Fan Hand/Off/Auto Switch • Supply Fan Running (Green) • Supply Fan Fault (Red) • Panel Filter Dirty Alarm (Red)

3.12.16.23.12.17.2 Sta

rt Up The supply fan shall be enabled on a dedicated time schedule or alternatively the fan shall be overridden via software at the front-end supervisor workstation and/or the Hand/Off/Auto switch on the local control panel. On system start-up the BMS shall sequence and enable the intake damper and the exhaust damper of the associated extract fan (EF-103). Once the intake damper and the exhaust air damper are open the BMS shall enable the supply and extract fans to a set speed (set during commissioning). The supply and extract fans are to be hard wired interlocked and prevented from starting if either fails. 3.12.16.33.12.17.3 Sh

utdown The fan shall be shutdown should time schedules be disabled, via software override, fire alarm or high duct static pressure (static pressure switch above 500 Pa). The BMS shall disable the fan. Once the fan has stopped the BMS shall close the intake damper. 3.12.16.43.12.17.4 Int

erlocks The supply fan shall be interlocked with the intake damper and the duct high pressure switch. The supply and extract fan (EF-103) shall be interlocked such that should one fail the other shall be disabled. 3.12.16.53.12.17.5 Ala

rms The BMS shall disable the fan and raise an alarm at the front-end supervisor workstation for:

• Fan Failure • Fan Fault • Duct High Pressure Switch Alarm




• Panel Filter Dirty 3.12.16.63.12.17.6 Fir

e Condition The fan shall be hard-wire disabled by the fire alarm system and mimicked by the BMS control software to prevent mismatch alarms. 3.12.16.73.12.17.7 Sm

oke Clearance Mode The fan shall operate at high speed under smoke clearance mode. A manual fireman switch shall be provided for this operation. The fan shall be hardwired to the extract fan. 3.12.173.12.18 Car

park Extract Fan Carpark Extract Fan EF-103 The extract fan is located in the basement carpark and has a control interface at MCC3. The BMS shall control and monitor the fan extracting air from the carpark. The fan system consists of the following components (in the direction of flow):


3.12.17.13.12.18.1 Co



3.12.17.23.12.18.2 Sta

rt Up The extract fan shall be enabled on request from the carpark supply fan or alternatively the fan shall be overridden via software at the front-end supervisor workstation and/or the Hand/Off/Auto switch on the local control panel. On system start-up the BMS shall enable the exhaust damper for the extract fan. Once the exhaust damper is open (via hard wired interlock) the BMS shall enable the extract fan to set speed (set during commissioning). 3.12.17.33.12.18.3 Sh

utdown The fan shall be disabled when the carpark supply fan is disabled, via software override or fire alarm.



3.12.17.43.12.18.4 Int

erlocks The fan shall be interlocked with the exhaust air damper. The extract fan shall be interlocked with the carpark supply fan such that should one fail the other shall be disabled. 3.12.17.53.12.18.5 Ala



e Condition The fan shall be hard-wire disabled by the fire alarm system and mimicked by the BMS control software to prevent mismatch alarms. 3.12.17.73.12.18.7 Sm

oke Clearance Mode The fan shall operate at high speed under smoke clearance mode. A manual fireman switch shall be provided for this operation. The fan shall be hardwired to the supply fan. 3.12.183.12.19 Gr

ound Floor Kitchen AHU Ground Floor Kitchen AHU AHU-201 The AHU is located in the first floor north plantroom and has a control interface at MCC7. The BMS shall control and monitor the AHU supplying conditioned fresh air at constant volume to the ground floor kitchen. The AHU system consists of the following components (in the direction of flow):


3.12.18.13.12.19.1 Co





3.12.18.23.12.19.2 Sta




mal Mode Temperature Control Once temperature control is enabled the AHU, through the BMS, shall maintain a supply temperature set-point of 22ºC ±1ºC by modulating in sequence the CHW cooling coil and the LTHW main heating coil. Temperature is sensed by a duct mounted air sensor. An ‘out of limits’ alarm will be generated at the front-end supervisor if the temperature exceeds set-point by ± 2 ºC for a period exceeding 5 Minutes. This alarm will be disabled for the first 15 minutes of operation after start-up. 3.12.18.63.12.19.6 Sh

utdown The AHU system shall be shutdown should time schedules be disabled, via software override, fire alarm, frost alarm (thermostat below 3 ºC), temperature sensor failure or high duct static pressure (static pressure switch above 500 Pa).



The BMS shall close the main heating coil valve, the main cooling valve and disable the fan. Once the fan has stopped the BMS shall close the frost heater coil valve and the fresh air intake damper. 3.12.18.73.12.19.7 Out







r 3.12.18.103.12.19.10 Fir

e Condition The AHU shall be hard-wire disabled by the fire alarm system and mimicked by the BMS control software to prevent mismatch alarms. The BMS shall also close all heating and cooling coil valves and dampers. 3.12.193.12.20 Gr

ound Floor Kitchen Extract Fan Ground Floor Kitchen Extract Fan EF-506 The fan is located in the 11th floor plantroom and has a control interface at MCC10.



The BMS shall control and monitor the fan extracting air from the ground floor kitchen. The fan system consists of the following components (in the direction of flow):


3.12.19.13.12.20.1 Co



3.12.19.23.12.20.2 Sta

rt Up The extract fan shall be enabled on request from the ground floor kitchen AHU or alternatively the fan shall be overridden via software at the front-end supervisor workstation and/or the Hand/Off/Auto switch on the local control panel. On system start-up the BMS shall enable the exhaust damper for the extract fan. Once the exhaust damper is open (via hard wired interlock) the BMS shall enable the extract fan to set speed (set during commissioning). 3.12.19.33.12.20.3 Sh

utdown The fan shall be disabled when the ground floor kitchen AHU is disabled, via software override or fire alarm. 3.12.19.43.12.20.4 Int

erlocks The fan shall be interlocked with the exhaust air damper. The extract fan shall be interlocked with the ground floor kitchen AHU such that should one fail the other shall be disabled. 3.12.19.53.12.20.5 Ala



e Condition The fan shall be hard-wire disabled by the fire alarm system and mimicked by the BMS control software to prevent mismatch alarms.



3.12.203.12.21 First Floor Kitchen AHU

First Floor Kitchen AHU AHU-202 The AHU is located in the first floor north plantroom and has a control interface at MCC7. The BMS shall control and monitor the AHU supplying conditioned fresh air at constant volume to the first floor kitchen. The AHU system consists of the following components (in the direction of flow):


3.12.20.13.12.21.1 Co



3.12.20.23.12.21.2 Sta



mal Mode Frost Protection



The BMS shall modulate the frost protection heating coil valve to maintain an off coil duct temperature set at 5°C. A frost protection thermostat set initially to 3°C located in front of the CHW Cooling coil shall hard-wire inhibit the operation of the fan. 3.12.20.53.12.21.5 Nor











3.12.20.103.12.21.10 Fir

e Condition The AHU shall be hard-wire disabled by the fire alarm system and mimicked by the BMS control software to prevent mismatch alarms. The BMS shall also close all heating and cooling coil valves and dampers. 3.12.213.12.22 Fir

st Floor Kitchen Extract Fan First Floor Kitchen Extract Fan EF-507 The fan is located in the 11th floor plantroom and has a control interface at MCC10. The BMS shall control and monitor the fan extracting air from the first floor kitchen. The fan system consists of the following components (in the direction of flow):


3.12.21.13.12.22.1 Co



3.12.21.23.12.22.2 Sta

rt Up The extract fan shall be enabled on request from the first floor kitchen AHU or alternatively the fan shall be overridden via software at the front-end supervisor workstation and/or the Hand/Off/Auto switch on the local control panel. On system start-up the BMS shall enable the exhaust damper for the extract fan. Once the exhaust damper is open (via hard wired interlock) the BMS shall enable the extract fan to set speed (set during commissioning). 3.12.21.33.12.22.3 Sh

utdown The fan shall be disabled when the first floor kitchen AHU is disabled, via software override or fire alarm.



3.12.21.43.12.22.4 Interlocks

The fan shall be interlocked with the exhaust air damper. The extract fan shall be interlocked with the first floor kitchen AHU such that should one fail the other shall be disabled. 3.12.21.53.12.22.5 Ala



e Condition The fan shall be hard-wire disabled by the fire alarm system and mimicked by the BMS control software to prevent mismatch alarms. 3.12.223.12.23 Bal

lroom AHU Ballroom AHU AHU-301 The AHU is located in the first floor south plantroom and has a control interface at MCC6. The BMS shall control and monitor the AHU supplying conditioned air to the ballroom. The AHU is a variable volume type supplying pressure independent VAV Boxes via supply duct networks maintained at constant pressure. The AHU will have a return air mixing box. Each variable speed fan (supply and extract) shall be driven by a dedicated integral inverter. Speed control of each supply fan shall be controlled by the BMS to maintain a supply duct pressure setpoint. For systems serving a single zone of VAV Boxes, the extract fan speed shall be adjusted by tracking the supply fan speed. For systems serving more than one zone of VAV Boxes, the extract fan speed shall be referenced to a VAV Box polling system, the BMS calculating the extract volume required from the VAV Box duties and openings. Fresh air volumes are to be linked to a return air CO2 sensor mounted within the return air duct for each of the zones controlled by the air handling unit. Minimum fresh air volumes for each system shall be maintained by increasing the proportion of fresh air when the overall supply volume reduces. The BMS shall achieve this via a velocity grid in the fresh air intake connection, referenced to the supply fan speed. The BMS shall ensure 10% positive over-supply by offsetting the supply and extract volumes. The AHU system consists of the following components:

• Extract fan



• Mixing box • Outside air damper • Exhaust air damper • Recirculation damper • Panel filter (G4) • Bag filter (F7) • CHW cooling coil (complete with control valve) • Main LTHW heater coil (complete with control valve) • Supply fan

3.12.22.13.12.23.1 Co



3.12.22.23.12.23.2 Sta

rt Up The supply and extract fan shall be enabled on a dedicated time schedule or alternatively the fans shall be overridden via software at the front-end supervisor workstation and/or the Hand/Off/Auto switch on the local control panel. 3.12.22.33.12.23.3 Nor

mal Mode Temperature Control Once temperature control is enabled the AHU, through the BMS, shall maintain a supply temperature by modulating in sequence the CHW cooling coil and the LTHW main heating coil. Temperature is sensed by a duct mounted air sensor. An ‘out of limits’ alarm will be generated at the front-end supervisor if the temperature exceeds set-point by ± 2 ºC for a period exceeding 5 Minutes. This alarm will be disabled for the first 15 minutes of operation after start-up. 3.12.22.43.12.23.4 Sh

utdown The AHU system shall be shutdown should time schedules be disabled, via software override, fire alarm, temperature sensor failure or high duct static pressure (static pressure switch above 500 Pa). The BMS shall close the main heating coil valve, the main cooling valve and disable the fan.



3.12.22.53.12.23.5 Interlocks

The supply fan shall be interlocked with the extract fan, fresh air damper and the duct high pressure switch. The supply and extract fans shall be interlocked such that should one fail the other shall be disabled. 3.12.22.63.12.23.6 Ala





3.12.22.73.12.23.7 Fir

e Condition The AHU shall be hard-wire disabled by the fire alarm system and mimicked by the BMS control software to prevent mismatch alarms. The BMS shall also close all heating and cooling coil valves and dampers. 3.12.233.12.24 Bal

lroom Humidifier Ballroom Humidifier HUM-301 The Humidifier is located in the first floor south plantroom and has a control interface at MCC6. The humidifier will control the zone humidity by varying the amount of steam supplied to the air stream. The rate at which the steam is dispersed into the supply air stream will affect the relative humidity of the air. The Humidity sensor shall be located in the return air duct to measure the relative humidity in each zone.



A high level supply air relative humidity limit prevents moisture formation by limiting the maximum control signal that can be sent to the humidifier. A sensor in the supply air stream shall monitor this. The humidifier is to incorporate a 4 stage step control. Hardwired Safety Interlocks The following safety interlocks are required prior to the humidifier being enabled by the BMS:




3.12.243.12.25 Fir

st Floor FOH AHU First Floor FOH AHU AHU-302 The AHU is located in the first floor south plantroom and has a control interface at MCC6. The BMS shall control and monitor the AHU supplying conditioned air to the first floor FOH areas. The AHU is a variable volume type supplying pressure independent VAV boxes via supply duct networks maintained at constant pressure. The AHU will have a return air mixing box. Each variable speed fan (supply and extract) shall be driven by a dedicated integral inverter. Speed control of each supply fan shall be controlled by the BMS to maintain a supply duct pressure setpoint.



For systems serving a single zone of VAV Boxes, the extract fan speed shall be adjusted by tracking the supply fan speed. For systems serving more than one zone of VAV Boxes, the extract fan speed shall be referenced to a VAV Box polling system, the BMS calculating the extract volume required from the VAV Box duties and openings. Fresh air volumes are to be linked to a return air CO2 sensor mounted within the return air duct for each of the zones controlled by the air handling unit. Minimum fresh air volumes for each system shall be maintained by increasing the proportion of fresh air when the overall supply volume reduces. The BMS shall achieve this via a velocity grid in the fresh air intake connection, referenced to the supply fan speed. The BMS shall ensure 10% positive over-supply by offsetting the supply and extract volumes. The AHU system consists of the following components:

• Extract fan • Mixing box • Outside air damper • Exhaust air damper • Recirculation damper • Panel filter (G4) • Bag filter (F7) • CHW cooling coil (complete with control valve) • Main LTHW heater coil (complete with control valve) • Supply fan

3.12.24.13.12.25.1 Co



3.12.24.23.12.25.2 Sta

rt Up The supply and extract fan shall be enabled on a dedicated time schedule or alternatively the fans shall be overridden via software at the front-end supervisor workstation and/or the Hand/Off/Auto switch on the local control panel. 3.12.24.33.12.25.3 Nor

mal Mode Temperature Control Once temperature control is enabled the AHU, through the BMS, shall maintain a supply temperature by modulating in sequence the CHW cooling coil and the LTHW main heating coil.



Temperature is sensed by a duct mounted air sensor. An ‘out of limits’ alarm will be generated at the front-end supervisor if the temperature exceeds set-point by ± 2 ºC for a period exceeding 5 Minutes. This alarm will be disabled for the first 15 minutes of operation after start-up. 3.12.24.43.12.25.4 Sh

utdown The AHU system shall be shutdown should time schedules be disabled, via software override, fire alarm, temperature sensor failure or high duct static pressure (static pressure switch above 500 Pa). The BMS shall close the main heating coil valve, the main cooling valve and disable the fan. 3.12.24.53.12.25.5 Int

erlocks The supply fan shall be interlocked with the extract fan, fresh air damper and the duct high pressure switch. The supply and extract fans shall be interlocked such that should one fail the other shall be disabled. 3.12.24.63.12.25.6 Ala





3.12.24.73.12.25.7 Fir

e Condition The AHU shall be hard-wire disabled by the fire alarm system and mimicked by the BMS control software to prevent mismatch alarms. The BMS shall also close all heating and cooling coil valves and dampers. 3.12.253.12.26 Fir

st Floor FOH Humidifier



First Floor FOH Humidifier HUM-302 The Humidifier is located in the first floor south plantroom and has a control interface at MCC6. The humidifier will control the zone humidity by varying the amount of steam supplied to the air stream. The rate at which the steam is dispersed into the supply air stream will affect the relative humidity of the air. The Humidity sensor shall be located in the return air duct to measure the relative humidity in each zone. A high level supply air relative humidity limit prevents moisture formation by limiting the maximum control signal that can be sent to the humidifier. A sensor in the supply air stream shall monitor this. The humidifier is to incorporate a 4 stage step control. Hardwired Safety Interlocks The following safety interlocks are required prior to the humidifier being enabled by the BMS:




3.12.263.12.27 10th

Floor Spa AHU 10th Floor Spa AHU AHU-501 The AHU is located in the 11th floor plantroom and has a control interface at MCC10.



The BMS shall control and monitor the AHU supplying conditioned fresh air at constant volume to the 10th floor spa area. The fresh air is routed to the room fan coil units that provide both heating and cooling via 4 pipe control. The AHU system consists of the following components (in the direction of flow):


3.12.26.13.12.27.1 Co



3.12.26.23.12.27.2 Sta



mal Mode Frost Protection The BMS shall modulate the frost protection heating coil valve to maintain an off coil duct temperature set at 5°C. A frost protection thermostat set initially to 3°C located in front of the CHW Cooling coil shall hard-wire inhibit the operation of the fan.



3.12.26.53.12.27.5 Normal Mode Temperature Control

Once temperature control is enabled the AHU, through the BMS, shall maintain a supply temperature set-point of 22ºC ±1ºC by modulating in sequence the CHW cooling coil and the LTHW main heating coil. Temperature is sensed by a duct mounted air sensor. An ‘out of limits’ alarm will be generated at the front-end supervisor if the temperature exceeds set-point by ± 2 ºC for a period exceeding 5 Minutes. This alarm will be disabled for the first 15 minutes of operation after start-up. 3.12.26.63.12.27.6 Sh










3.12.26.103.12.27.10 Fir

e Condition The AHU shall be hard-wire disabled by the fire alarm system and mimicked by the BMS control software to prevent mismatch alarms. The BMS shall also close all heating and cooling coil valves and dampers. 3.12.273.12.28 10th

Floor Spa Extract Fan 10th Floor Spa Extract Fan EF-501 The extract fan is located in the 11th floor plantroom and has a control interface at MCC10. The BMS shall control and monitor the fan extracting air from the 10th floor spa area. The fan system consists of the following components (in the direction of flow):


3.12.27.13.12.28.1 Co



3.12.27.23.12.28.2 Sta

rt Up The extract fan shall be enabled on request from the 10th floor spa AHU or alternatively the fan shall be overridden via software at the front-end supervisor workstation and/or the Hand/Off/Auto switch on the local control panel. On system start-up the BMS shall enable the exhaust damper for the extract fan. Once the exhaust damper is open (via hard wired interlock) the BMS shall enable the extract fan to set speed (set during commissioning). 3.12.27.33.12.28.3 Sh

utdown The fan shall be disabled when the 10th floor spa AHU is disabled, via software override or fire alarm. 3.12.27.43.12.28.4 Int

erlocks The fan shall be interlocked with the exhaust air damper.



The extract fan shall be interlocked with the 10th floor spa AHU such that should one fail the other shall be disabled. 3.12.27.53.12.28.5 Ala



e Condition The fan shall be hard-wire disabled by the fire alarm system and mimicked by the BMS control software to prevent mismatch alarms. 3.12.283.12.29 Sp

a Pool AHU Spa Pool AHU AHU-502 The AHU is located in the 11th floor plantroom and has a control interface at MCC10. The BMS shall control and monitor the AHU supplying conditioned fresh air at constant volume to the spa pool area. The AHU system consists of the following components (in the direction of flow):


3.12.28.13.12.29.1 Co



3.12.28.23.12.29.2 Sta

rt Up



The supply fan shall be enabled on a dedicated time schedule or alternatively the fan shall be overridden via software at the front-end supervisor workstation and/or the Hand/Off/Auto switch on the local control panel. On system start-up the BMS shall sequence and enable the fresh air intake damper and the exhaust damper of the associated extract fan (EF-502). Once the fresh air intake damper and the exhaust air damper are open the BMS shall enable the supply and extract fans to a set speed (set during commissioning). The supply and extract fans are to be hard wired interlocked and prevented from starting if either fails. 3.12.28.33.12.29.3 Fro





of Hours Frost Protection



While the system is disabled, should the BMS indicate either a frost protection air temperature or water temperature routine the BMS shall open all AHU LTHW coil valves to 25% until the frost mode is cleared. 3.12.28.83.12.29.8 Int






3.12.28.103.12.29.10 Fir

e Condition The AHU shall be hard-wire disabled by the fire alarm system and mimicked by the BMS control software to prevent mismatch alarms. The BMS shall also close all heating and cooling coil valves and dampers. 3.12.293.12.30 Sp

a Pool Extract Fan Spa Pool Extract Fan EF-502 The extract fan is located in the 11th floor plantroom and has a control interface at MCC10. The BMS shall control and monitor the fan extracting air from the spa pool area. The fan system consists of the following components (in the direction of flow):


3.12.29.13.12.30.1 Co





3.12.29.23.12.30.2 Sta

rt Up The extract fan shall be enabled on request from the spa pool AHU or alternatively the fan shall be overridden via software at the front-end supervisor workstation and/or the Hand/Off/Auto switch on the local control panel. On system start-up the BMS shall enable the exhaust damper for the extract fan. Once the exhaust damper is open (via hard wired interlock) the BMS shall enable the extract fan to set speed (set during commissioning). 3.12.29.33.12.30.3 Sh

utdown The fan shall be disabled when the spa pool AHU is disabled, via software override or fire alarm. 3.12.29.43.12.30.4 Int

erlocks The fan shall be interlocked with the exhaust air damper. The extract fan shall be interlocked with the spa pool AHU such that should one fail the other shall be disabled. 3.12.29.53.12.30.5 Ala



e Condition The fan shall be hard-wire disabled by the fire alarm system and mimicked by the BMS control software to prevent mismatch alarms. 3.12.303.12.31 Gu

estroom Fresh Air Supply (North) AHU Guestroom Fresh Air Supply (North) AHU AHU-503 The AHU is located in the 11th floor plantroom and has a control interface at MCC10. The BMS shall control and monitor the AHU supplying conditioned primary fresh air to the hotel guestrooms (north), bedroom corridor and 9th floor fitness suite. The fresh air is routed



to the room fan coil units that provide both heating and cooling via 4 pipe control. The AHU system consists of the following components (in the direction of flow):

• Motorised fresh air intake damper • LTHW frost heater coil (complete with 3-port control valve) • Panel filter (G4) • Bag filter (F7) • CHW cooling coil (complete with 3-port control valve) • Main LTHW heater coil (complete with 3-port control valve) • Supply fan

3.12.30.13.12.31.1 Co



3.12.30.23.12.31.2 Sta




mal Mode Temperature Control



Once temperature control is enabled the AHU, through the BMS, shall maintain a supply temperature set-point of 22ºC ±1ºC by modulating in sequence the CHW cooling coil and the LTHW main heating coil. Temperature is sensed by a duct mounted air sensor. An ‘out of limits’ alarm will be generated at the front-end supervisor if the temperature exceeds set-point by ± 2 ºC for a period exceeding 5 Minutes. This alarm will be disabled for the first 15 minutes of operation after start-up. 3.12.30.63.12.31.6 Sh



erlocks The supply fan shall be interlocked with the fresh air damper, the duct high pressure switch and the frost thermostat statuses. The supply and extract fans (EF-503) shall be interlocked such that should one fail the other shall be disabled. 3.12.30.93.12.31.9 Ala







3.12.30.103.12.31.10 Fir

e Condition The AHU shall be hard-wire disabled by the fire alarm system and mimicked by the BMS control software to prevent mismatch alarms. The BMS shall also close all heating and cooling coil valves and dampers. 3.12.313.12.32 Gu

estroom Extract (North) Fan Guestroom Extract (North) Fan EF-503 The extract fan is located in the 11th floor plantroom and has a control interface at MCC10. The BMS shall control and monitor the fan extracting air to the hotel bedrooms (north). The fan system consists of the following components (in the direction of flow):


3.12.31.13.12.32.1 Co



3.12.31.23.12.32.2 Sta

rt Up The extract fan shall be enabled on request from the Bedroom Fresh Air Supply (North) AHU or alternatively the fan shall be overridden via software at the front-end supervisor workstation and/or the Hand/Off/Auto switch on the local control panel. On system start-up the BMS shall enable the exhaust damper for the extract fan. Once the exhaust damper is open (via hard wired interlock) the BMS shall enable the extract fan to set speed (set during commissioning). 3.12.31.33.12.32.3 Sh

utdown The fan shall be disabled when the Bedroom Fresh Air Supply (North) AHU is disabled, via software override or fire alarm. 3.12.31.43.12.32.4 Int

erlocks The fan shall be interlocked with the exhaust air damper. The extract fan shall be interlocked with the Bedroom Fresh Air Supply (North) AHU such that should one fail the other shall be disabled.



3.12.31.53.12.32.5 Alarms



e Condition The fan shall be hard-wire disabled by the fire alarm system and mimicked by the BMS control software to prevent mismatch alarms. 3.12.323.12.33 Gu

estroom Fresh Air Supply (South) AHU Guestroom Fresh Air Supply (South) AHU AHU-504 The AHU is located in the 11th floor plantroom and has a control interface at MCC10. The BMS shall control and monitor the AHU supplying conditioned primary fresh air to the hotel guestrooms (south). The fresh air is routed to the room fan coil units that provide both heating and cooling via 4 pipe control. The AHU system consists of the following components (in the direction of flow):

• Fresh Air Intake Damper • LTHW Frost Heater Coil • Panel Filter • Bag Filter • CHW Cooling Coil • Main LTHW Heater Coil • Supply Fan

3.12.32.13.12.33.1 Co

ntrol Panel Fascia Display Each Control Panel shall display the following on the panel fascia for local interrogation:

• Supply Fan Hand/Off/Auto Switch • Supply Fan Running (Green) • Supply Fan Fault (Red) • Filter Dirty Alarm (Red) • Frost Mode (Red)

3.12.32.23.12.33.2 Sta

rt Up The supply fan shall be enabled on a dedicated time schedule or alternatively the fan shall be overridden via software at the front-end supervisor workstation and/or the Hand/Off/Auto switch on the local control panel.



On system start-up the BMS shall enable the fresh air intake damper and the exhaust damper of the associated extract fan (EF-504). Once the fresh air intake damper and the exhaust air damper are open the BMS shall enable the supply and extract fans to a set speed (set during commissioning). The fans are to be hard wired interlocked. 3.12.32.33.12.33.3 Fro

st Start Up Should the AHU frost protection thermostat be in frost mode (frost thermostat below 3°C) during a start-up routine the BMS shall enable the LTHW frost heater coil valve to 100%. The BMS shall remain in frost start-up condition until the frost mode is cleared. If after 120 seconds the frost mode has not been cleared the BMS shall disable the AHU and raise an alarm. 3.12.32.43.12.33.4 Nor


mal Mode Temperature Control Once temperature control is enabled the BMS shall maintain a supply temperature set-point initially set to 18ºC (adjustable) by modulating in sequence the CHW cooling coil and the LTHW main heating coil. Temperature is sensed by a duct mounted air sensor. An ‘out of limits’ alarm will be generated at the front-end supervisor if the temperature exceeds set-point by ± 2 ºC for a period exceeding 5 Minutes. This alarm will be disabled for the first 15 minutes of operation after start-up. 3.12.32.63.12.33.6 Sh



erlocks



The supply fan shall be interlocked with the fresh air damper, the duct high pressure switch and the frost thermostat statuses. The supply and extract fans (EF-504) shall be interlocked such that should one fail the other shall be disabled. 3.12.32.93.12.33.9 Ala



The alarm shall be latched until reset by the BMS supervisor. The BMS shall also raise alarms at the front-end supervisor workstation for:


3.12.32.103.12.33.10 Fir

e Condition The AHU shall be hard-wire disabled by the fire alarm system and mimicked by the BMS control software to prevent mismatch alarms. The BMS shall also close all heating and cooling coil valves. 3.12.333.12.34 Gu

estroom Extract (South) Fan Guestroom Extract (South) Fan EF-504 The fan is located in the 11th floor plantroom and has a control interface at MCC10. The BMS shall control and monitor the fan extracting air to the hotel bedrooms (South). The fan system consists of the following components (in the direction of flow):


3.12.33.13.12.34.1 Co





3.12.33.23.12.34.2 Start Up

The extract fan shall be enabled on request from the Bedroom Fresh Air Supply (South) AHU or alternatively the fan shall be overridden via software at the front-end supervisor workstation and/or the Hand/Off/Auto switch on the local control panel. On system start-up the BMS shall enable the exhaust damper for the extract fan. Once the exhaust damper is open (via hard wired interlock) the BMS shall enable the extract fan to set speed (set during commissioning). 3.12.33.33.12.34.3 Sh

utdown The fan shall be disabled when the Bedroom Fresh Air Supply (South) AHU is disabled, via software override or fire alarm. 3.12.33.43.12.34.4 Int

erlocks The fan shall be interlocked with the exhaust air damper. The extract fan shall be interlocked with the Bedroom Fresh Air Supply (South) AHU such that should one fail the other shall be disabled. 3.12.33.53.12.34.5 Ala



e Condition The fan shall be hard-wire disabled by the fire alarm system and mimicked by the BMS control software to prevent mismatch alarms. 3.12.343.12.35 Pu

blic Toilets Extract Fan (First Floor) Public Toilets Extract Fan (First Floor) EF-001 The extract fan is located on the ground floor high level roadway and has a control interface at MCC5. Hardwired Safety Interlocks The following safety interlocks are required prior to the unit being enabled:

• Fire Alarm healthy



• Firemans Switch in Auto • Plantroom emergency stop healthy

Normal Operation Assuming that all switches are in the auto position and there are no abnormal conditions the following sequence occurs: When there is a demand signal from any of the occupancy time zones, or a plant “Extended Working” pushbutton, the extract fan shall be enabled. The extract fan shall be provided with an auto-changeover panel. Should the Fire Alarm input energise, the extract fan will be disabled. Fan Failure Alarms The extract fan auto-changeover panel shall be monitored for a fault signal. Alarms Alarms shall be raised for: Toilet Extract Fan Fault. 3.12.353.12.36 Ba

sement BOH Extract Fan Basement BOH Extract Fan EF-105 The extract fan is located in the laundry basement plantroom and has a control interface at MCC3. The BMS shall control and monitor the fan extracting air from the basement BOH areas. The fan system consists of the following components:


3.12.35.13.12.36.1 Co



3.12.35.23.12.36.2 Sta

rt Up The extract fan shall be enabled on request from the BOH basement and ground floor AHU or alternatively the fan shall be overridden via software at the front-end supervisor workstation and/or the Hand/Off/Auto switch on the local control panel.



On system start-up the BMS shall enable the exhaust damper for the extract fan. Once the exhaust damper is open (via hard wired interlock) the BMS shall enable the extract fan to set speed (set during commissioning). 3.12.35.33.12.36.3 Sh

utdown The fan shall be disabled when the BOH basement and ground floor AHU is disabled, via software override or fire alarm. 3.12.35.43.12.36.4 Int

erlocks The fan shall be interlocked with the exhaust air damper. The extract fan shall be interlocked with the BOH basement and ground floor AHU such that should one fail the other shall be disabled. 3.12.35.53.12.36.5 Ala



e Condition The fan shall be hard-wire disabled by the fire alarm system and mimicked by the BMS control software to prevent mismatch alarms. 3.12.363.12.37 Ba

sement Toilets & Changing Areas Extract Fan Basement Toilets & Changing Areas Extract Fan EF-106 The extract fan is located in the laundry basement plantroom and has a control interface at MCC3. Hardwired Safety Interlocks The following safety interlocks are required prior to the unit being enabled:

• Fire Alarm healthy • Firemans Switch in Auto • Plantroom emergency stop healthy

Normal Operation Assuming that all switches are in the auto position and there are no abnormal conditions the following sequence occurs:



When there is a demand signal from any of the occupancy time zones, or a plant “Extended Working” pushbutton, the extract fan shall be enabled. The extract fan shall be provided with an auto-changeover panel. Should the Fire Alarm input energise, the extract fan will be disabled. Fan Failure Alarms The extract fan auto-changeover panel shall be monitored for a fault signal. Alarms Alarms shall be raised for: Toilet Extract Fan Fault. 3.12.373.12.38 Me

zzanine Toilets Extract Fan Mezzanine Toilets Extract Fan EF-107 The extract fan is located on the ground floor high level roadway and has a control interface at MCC5. Hardwired Safety Interlocks The following safety interlocks are required prior to the unit being enabled:


Normal Operation Assuming that all switches are in the auto position and there are no abnormal conditions the following sequence occurs: When there is a demand signal from any of the occupancy time zones, or a plant “Extended Working” pushbutton, the extract fan shall be enabled. The extract fan shall be provided with an auto-changeover panel. Should the Fire Alarm input energise, the extract fan will be disabled. Fan Failure Alarms The extract fan auto-changeover panel shall be monitored for a fault signal. Alarms Alarms shall be raised for: Toilet Extract Fan Fault.



3.12.383.12.39 Toi

lets (10th Floor) Extract Fan Toilets (10th Floor) Extract Fan EF-505 The extract fan is located in the 11th floor plantroom and has a control interface at MCC10. Hardwired Safety Interlocks The following safety interlocks are required prior to the unit being enabled:


Normal Operation Assuming that all switches are in the auto position and there are no abnormal conditions the following sequence occurs: When there is a demand signal from any of the occupancy time zones, or a plant “Extended Working” pushbutton, the extract fan shall be enabled. The extract fan shall be provided with an auto-changeover panel. Should the Fire Alarm input energise, the extract fan will be disabled. Fan Failure Alarms The extract fan auto-changeover panel shall be monitored for a fault signal. Alarms Alarms shall be raised for: Toilet Extract Fan Fault. 3.12.40 Overdoor Heaters Overdoor heaters shall provide an air curtain to Ground Floor Main entrance doors, ground floor main restaurant entrance doors and ground floor restaurant north garden doors. The system shall operate on a two pipe low temperature hot water system and also via two port pressure independent control valves to be free issued to the overdoor heater manufacturer. The return air is monitored with an air temperature sensor. The setpoint shall be capable of being altered via the unit mounted keypad. Failure to prove running shall generate a BMS Alarm. 3.13 Spa and Associated AreasPool Systems Pending further information from the specialist consultant/contractor a common fault signal/alarm will be generated for any equipment/system failure in this area.



The BMS Contractor shall allow for thirty alarm / monitoring point from the pool system to be included on the BMS system and graphics. The spa and associated areas are located at level 10 and have a control interface at MCC9. The equipment in this area and the BMS interfaces are to be provided by the specialist consultant/Pool contractor. 3.13.1 Steam and Sauna Rooms An out of limits alarm shall be generated for the two steam rooms and two saunas located in this areathe Spa on the 10th Floor. Pending further information from the specialist consultant/contractor a common fault signal/alarm will be generated for any equipment/system failure in this area. The BMS Contractor shall allow for twenty alarm / monitoring point from the pool system to be included on the BMS system and graphics. 3.14 Miscellaneous Systems 3.14.1 10th Floor Underfloor Heating An underfloor heating system shall provide heating to selected areas on the 10th floor. The system shall operate on a manifold system with flow regulators for each loop with an integral circulator pump. The BMS will detect proof of running by means of flow and return temperature detection. Failure to prove running shall generate a BMS Alarm. Out of limit temperature alarms shall be provided, assume eight zones.. 3.14.2 Basement Computer Room DX Unit Basement Computer Room DX Unit DX-001A Basement Computer Room DX Unit DX-001B The indoor unit is located in the basement computer room with the outdoor unit located in the basement car park. The units shall be sized to provide 560% of the total load. (each). Under normal conditions the units shall not run and is design to be controlled to provide cooling in a power failure situation when the two standard chilled water units (DCU 007 AND DCU008) are inoperable. both run at 50% of the load. The units shall be controlled via the wall mounted control unit/thermostat and ganged to DCU units 007 and 008. A fault in the system shall register a BMS alarm via the unit control system.



3.14.3 Basement Switch Room DX Unit Basement Switch Room DX Unit DX-002A Basement Switch Room DX Unit DX-002B The indoor units is located within the basement computer room with the outdoor units in the basement carpark and will have a control interface at MCC3. The units shall be sized to provide 100% of the total load each [N+1]. Under normal conditions the units shall both run at 50% of the load. The unit shall be controlled via the wall mounted control unit/thermostat. A fault in the system shall register a BMS alarm via the unit control system. 3.14.4 Basement Telephone/UPS DX Unit Basement Telephone/UPS DX Unit DX-003A Basement Telephone/UPS DX Unit DX-003B The indoor units are located within the basement telephone/UPS room with the outdoor units in the basement carpark and will have a control interface at MCC5. The units shall be sized to provide 60% of the total load (each). Under normal conditions the units shall both run at 50% of the load. The units shall be controlled via the wall mounted control unit/thermostat. A fault in the system shall register a BMS alarm via the unit control system. 3.14.5 10th Floor Comms Room DX Unit 10th Floor Comms Room DX Unit DX-501A 10th Floor Comms Room DX Unit DX-501B The indoor units are located within the 10th floor comms room with the outdoor units in the basement carpark and will have a control interface at MCC10. The units shall be sized to provide 60% of the total load (each). Under normal conditions the units shall both run at 50% of the load. The units shall be controlled via the wall mounted control unit/thermostat. A fault in the system shall register a BMS alarm via the unit control system. 3.14.3 Basement Substation Downflow Units Basement Substation Downflow Unit DCU 001 Basement Substation Downflow Unit DCU 002 The units are located in the basement substation room number B 011. The units are sized to provide 55% of the maximum load and under normal use conditions the units shall both run at 50% of the load. The units shall provide cooling only via a two pipe chilled water system



The units shall be controlled via the wall mounted control unit/thermostat. A fault in the system shall register a BMS alarm via the unit control system. 3.14.4 Basement LV/UPS Room Downflow Units Basment LV/UPS Rooms Downflow Unit DCU 003 Basment LV/UPS Rooms Downflow Unit DCU 004 The units are located in the basement LV/UPS room B 012. These units are sized to provide 60% of the maximum laodload. Under normal use conditions the units shall both run at approximately 50% of the load. The units shall provide cooling only via a two pipe chilled water system The units shall be controlled via the wall mounted control unit/thermostat. A fault in the system shall register a BMS alarm via the unit control system. 3.14.5 Basement Emergency Lighting Inverter Room Downflow Units Basment Emergency lighting Inverter Room Downflow Unit DCU 005 Basment Emergency lighting Inverter Room Downflow Unit DCU 006 The units are located in the basement emergency lighting inverter room B 012. These units are sized to provide 60% of the maximum load. Under normal use conditions the units shall both run at approximately 50% of the load. The units shall provide cooling only via a two pipe chilled water system The units shall be controlled via the wall mounted control unit/thermostat. A fault in the system shall register a BMS alarm via the unit control system. 3.14.6 Basemnet Computer Room Downflow Units Basement Computer Room Downflow Unit DCU 007 Basement Computer Room Downflow Unit DCU 008 These units are located in the basement computer room B 019. These units are sized to provide 50% of the maximum load. Under normal use conditions the units shall both run at approximately 50% of the load. The units shall provide cooling, heating and humidification control via a two pipe chilled water system, electric heater battery and electric humidifier. The units shall be controlled via the wall mounted control unit/thermostat. These units shall be linked to the emergency DX unit located in the room DX-001. A fault in the system shall register a BMS alarm via the unit control system. 3.14.7 Ground Floor AV Room Downflow Unit



Ground Floor AV Room Downflow Unit DCU G001 This unit is located on the ground floor AV room G004. The unit is sized to provide 100% of load under normal running conditions. The unit shall provide cooling only via a two pipe chilled water system. The units shall be controlled via the wall mounted control unit/thermostat. A fault in the system shall register a BMS alarm via the unit control system. 3.14.8 First Floor IT/AV Room Downflow Unit First Floor IT/AV Room downflow unit DCU 101 This unit is located on the first floor IT/AV room F039. The unit is sized to provide 100% of load under normal running conditions. The unit shall provide cooling only via a two pipe chilled water system. The units shall be controlled via the wall mounted control unit/thermostat. A fault in the system shall register a BMS alarm via the unit control system. 3.14.9 Tenth Floor Comms Room Downflow Unit Tenth Floor IT/AV Room Downflow Unit DCU 1001 This unit is located on the tenth floor room 1005. The unit is sized to provide 100% of load under normal running conditions. The unit shall provide cooling only via a two pipe chilled water system. The units shall be controlled via the wall mounted control unit/thermostat. A fault in the system shall register a BMS alarm via the unit control system. 3.14.63.14.10 Kitchen Cooler & Freezer The kitchen coolers and freezers are located within the loading bay and have a control interface at the local distribution board. The BMS shall raise alarms for loss of refrigerant and system failure for each system. Assume twenty alarm and monitoring points 3.14.73.14.11 Irrigation Systems Irrigation systems (provided by others) will be located in the following locations:

• North Garden • West Garden



• East Garden The BMS shall raise alarms for loss of water and pump failure power to each individual system. 3.15 Plant and Gas Safety Systems 3.15.1 Plantroom Emergency Controls Two hard-wired emergency knock-off buttons shall be provided in each Plantroom, operation of one or both buttons shall interrupt all plant contained in that area, plus any interlocking plant. Interruption shall generate a BMS Alarm. 3.15.2 Local Emergency Stop Controls Emergency stop buttons shall be provided locally to certain plant items, as indicated in the MCC Schedules. Operation of these devices shall interrupt the plant served. With the exception of the Life Safety Systems, there is no requirement for operation of the emergency stop to generate an Alarm on the BMS. 3.15.3 Master Gas Supply Shut-Off A master solenoid valve shall control all gas supplies entering the Building. The master solenoid valve shall be provided with a mains failure class power supply for DHWS generation purposes. The supply to this valve shall be provided with a UPS. This solenoid valve shall close under the dictates of the Fire Alarm system. The appropriate Fire Alarm signal will be provided to the MCC under the Electrical Package. 3.15.4 Gas Boosters The gas boosters units will serve the boilersCHP plant and main building gas distribution system, provided with a Mains Failure class Power Supply for DHWS generation purposes. Each gas booster plant shall have its own packaged controls, with BMS Alarms. Interlocks with the CHPboilers and Gas Solenoid Valves shall be provided. 3.15.5 Boiler Gas Supply Shut-Off The boiler gas solenoid valve shall be provided with a mains failure class power supply for DHWS generation purposes. This valve shall be provided with a standby battery supply.UPS. A boiler gas emergency control system shall be provided, consisting of thermal links over each boiler, gas detection system and a solenoid gas valve. The boilers and gas boosters shall be prevented from operating by the BMS unless the gas solenoid valve is proved open, the thermal links are intact and the gas detection system proves healthy. The valve and links shall be provided by the BMS Package. The boiler gas solenoid valve shall close if any Boiler Plantroom knock-off button is operated, if any thermal link fails, if gas is detected, or if the Fire Alarm rate-of-rise heat detector in the Boiler Plantroom generates an Alarm. Closure of the solenoid valve shall generate a BMS Alarm.



The appropriate Fire Alarm signal will be provided to the MCC under the Electrical Package. 3.15.6 Gas Detection System A complete gas detection system shall be provided in the Boiler Plantroom. The gas detection system shall be provided with a mains failure class power supply for DHWS generation purposes. The system shall be arranged for automatic reset, or provided with a UPS if a manual reset valve is used. The system shall detect natural gas only, providing healthy and alarm indications to the BMS. Gas detection in the Plantroom shall automatically lock out the boilers and gas boosters and shall also close the boiler gas supply solenoid valve. The BMS shall indicate System Healthy, System Fault and Gas Detection Alarm conditions. 3.15.7 Refrigerant Gas Detection System A complete gas detection system shall be provided in the Chiller Plantroom. The gas detection system shall be provided with a mains failure class power supply for DHWS generation purposes. The system shall be arranged for automatic reset, or provided with a UPS if a manual reset valve is used. The system shall detect refrigerant gas only, providing healthy and alarm indications to the BMS. The BMS shall indicate System Healthy, System Fault and Gas Detection Alarm conditions. 3.15.8 Kitchen Emergency Controls A hard-wired emergency knock-off button shall be provided in each kitchen that shall interrupt all ventilation, power and gas supplies to the affected kitchen. Power shall be interrupted via contactors in the local distribution board. Operation of the knock-off buttons shall also close the (above)local gas solenoid valve in the affected kitchen. Interruption shall generate a BMS Alarm. These manual reset solenoid gas valves shall also be operated selectively by the Fire Alarm system via the contactor panels. Interruption shall generate a BMS Alarm. Kitchen gas solenoid valves shall be self-purging, self-proving type and be provided by the BMS Package. The Fire Alarm signals, kitchen power interruption contactors, enclosures and associated power interruption wiring will be provided under the Electrical Package. 3.16 Life Safety Systems 3.16.1 Fire Alarm Interfacing



All ventilation systems shall be interfaced with hotel fire alarm system but the shall close down the plant only after a general evacuation. 3.16.2 Spa Area post fire Smoke Removal System The system shall be controlled via a fire mans switch located on the fire alarm panel. The system shall consist of low level tenth floor external wall air intake dampers that shall be electrically closed on a latching relay that are sprung open and shall fail open. Opening of the dampers shall raise an alarm on the BMS. The dampers shall have a battery backup in the event of power failure. Dampers located in the 10th floor, at floor level shall be electrically closed on a latching relay that are sprung open and shall fail open. Opening of the dampers shall raise an alarm on the BMS. The dampers shall have a battery backup in the event of power failure. Dampers located at high level in the 10th floor shall be connected to a builders work plenum to be constructed by others. These dampers shall be electrically closed on a latching relay that are sprung open and shall fail open. Opening of the dampers shall raise an alarm on the BMS. The dampers shall have a battery backup in the event of power failure. The smoke extract fan shall be located on the 11th floor and fed off MCC 10. The fan shall consist of;


3.16.3 Gas Suppression System The basement LVMV switch room, Essential Swithcroom, IT/AVIT room and emergency lighting battery backup systemRoom shall all be complete with a gas suppression system. The system shall have a direct interface with the fire alarm system and subsequently the BMS system shall register an alarm upon activation of the system. The system shall be complete with a gas extract fan for post activation gas removal as laid out in the gas suppression package. Each system shall provide system activated and system isolated alarm status on the BMS system. 3.17 Gas Extract Fans

Each area ( 4 No) provided with a gas suppression system shall be provided a mechanical extract fan to remove the gas after it has discharged. The BMS shall monitor fan run and fan failure, 3.163.18 MCC Panels



Control & Starter Panels The Mechanical Contractor shall supply and install all motor control centres. Motor Control Centres shall be provided as follows: The motor control panel shall be wardrobe type with ALL live terminals shrouded. The Contractor shall submit detailed drawings of the motor control centre (MCC) for approval before proceeding with the assembly of the MCC, allowing a minimum period of 15 working days for approval. Should the Engineer for any reason wish to alter the layout of the MCC the Contractor shall make the necessary amendment or instruct the manufacturer accordingly. The Contractor shall provide 1:10 scale layout drawings, detailing plan, section and elevation views of the MCC. These drawings shall indicate all cables, fixings, conduit, and trunking etc, fully dimensioned. The Contractor shall also submit wiring diagrams and schematic diagrams, and all drawings shall be properly cross-referenced. The Contractor shall liaise and co-ordinate between MCC Manufacturer, Controls Sub-contractor and Electrical Sub-contractor to ensure the correct installation. This shall include the production detail power and control wiring diagrams, and details, along with manufacturers details, etc. The MCC shall be factory built assembly unit (FBA) to BSS5486, Part 1 and comply with The Electrical Installation Equipment Manufacturer's Association Classification Form 4B at a prospective fault level of 31 MVA limited by the feeder fuses. The FBA enclosures shall be rated at least to IP31 of BS5420 1977. The MCC shall be flush-fronted in appearance, metal clad, cubicle type, with front access and front operation, free standing, cable entry at top. The MCC shall be provided with suitable arrangements for glanding-off and terminating PVC/SWA/PVC cables, taking fully into account the available head-room above the MCC (allowing for the structure and finishes of the building, 100mm high builder's work plinth for the MCC, M&E Services installations in the vicinity of the MCC) and the installation and bending radii of the cables to the MCC. The FBA shall be extensible from one end, and the Contractor shall take account of this provision when setting out the equipment in the plant room. The height of MCC shall not exceed 2100mm. Except for auto-transformers, no other components shall be installed in the bottom 200mm section of the MCC. Panels wider than 1000mm shall be manufactured in sections unless detailed elsewhere. Each section shall be supplied with fully numbered interconnecting terminals. Each cubicle of the FBA shall be divided into compartments on a modular basis, so that future alterations and/or additions of equipment within the FBA can be easily accomplished. Compartments shall be constructed in modular form to provide multi-tier sections of compatible appearance. Compartments sizes shall be suitable for easy access and maintenance of the equipment mounted in the individual compartment. Individual cubicles shall be provided for each of the following: a) MCC Electric Controls Section b) HVAC Environmental Controls Section



Individual compartments shall be provided for the following: a) Incoming electricity supply b) Bus-bar section. b) Starter section with associated equipment c) Outgoing power feeder section Space for spare starters or power feeds as specified on the motor control schedules shall comprise of individual starter compartment, power feed from the bus-bars to the starter, fully shrouded terminals, hinged doors and pre-drilled and punched back plate ready for the future installation of starter components as required. Panel construction shall allow for the internal heat dissipation and under no circumstances shall the internal temperature rise above 37°C. Should louvered sections be required they shall be provided and this shall be detailed on the manufacturer’s drawings. Components shall be selected and the FBA constructed to minimise maintenance requirements, and allow the necessary maintenance to be carried out easily and in total safety. The main incoming isolator on the panel shall be provided with a door interlock to prevent the door from opening until the power is switched off. Barrel locks shall be provided on the controls section. Each barrel lock shall be supplied with two keys. Unless otherwise detailed one key shall fit all locks provided on the individual panel. Doors shall have corrosion resistant hinges, and shall be removable. The only equipment that may be mounted on the doors is indicating lamps, instruments, control switches and switch operating handles. Generally, labels externally shall be "Traffolyte" coloured white/black/white engraved. Labels shall be fixed with bright finish instrument head screws or plastic flat headed punch-in rivets of the same colour as the label. Equipment shall be clearly identified internally within the panel by means of labels riveted in position. Actual engraving details shall be agreed with the Engineer prior to engraving. In those cases where any item of equipment or section of panel is not de-energised when normal isolation procedures are followed, such items or sections must bear clearly visible warning labels of white "Traffolyte" with red engraving. A rectangular electro-tinned copper earthing bar 25 x 3mm shall be provided along the full length of the FBA at the rear top or front top. Protective copper conductors shall bond effectively all non-conducting metalwork and all gland plates to this earthing bar. Each panel shall be provided with 4-pole HDHC copper bus-bars to be BS159. Bus-bars shall be located in a separate enclosed compartment within the panel. All joints and connection points on the bus-bar shall be electro-tinned, shrouded, electrically and mechanically sound and provided with phase indicators. Joints in bus-bars shall be accessible for inspection and tightening when the panel is in its final position on site. The main incoming unit shall be disconnecting switch (fuse-switch fitted with copper links) front mounted with shrouded terminals for both the incoming and outgoing circuits. The outgoing units shall comprise of starters and feeders, as detailed later on in the Specification. Wiring for mains voltage shall be PVC insulated to BS6004 coloured in accordance with current British Standards to a minimum size of 1/1.38mm or 7/0.67mm.



Where such wiring is to be carried across door hinges in looms, it shall be in flexible cable to BS 6500 1969 within a minimum size of 24/0.2mm. Wiring subject to movement (e.g. on hinged doors) shall be flexible and protected by PVC sleeving or helical binding. Wiring shall be carried through the front surface of the mounting plate either in plastic cable trunking of the ventilated type with clip-on covers and purpose-made connector pieces and accessories, or strapped in looms with straps permitting easy access to the looms, and clipped to the mounting plate. In either case cable size must be rated taking into account all groupings, bunching and enclosing factors. Any one loom of control cables shall have a limit of 25 conductors. Where plastic trunking is used the cables shall not occupy more than 50% of the trunking volume. Wiring outside the trunking or loom shall be neatly set for connection to terminals or equipment. All wiring carried through holes shall be suitably protected. When the panel wiring for electronic thermostat and humidity control detector is included and for any other item detailed elsewhere it shall be screened multicore flexible cable. Extra-low voltage wiring and connections shall be separated from that for low voltage. All wire-ends shall be identified by numbered ferrules or sleeves. Connections to "Tranilamp" or similar shall be by compression lugs and clamp screws. Neutral terminals shall be fully rated. Terminals shall be rigidly fixed, provided with inter-phase barriers and shrouds, and clearly numbered or identified. Control and auxiliary circuit terminals shall be klippon type SAK 2.5 or equal. Terminals for extra-low-voltage shall be physically separated from those for low-voltage circuits. Insulating shrouds and warning labels shall be provided over the extra-low voltage terminals. All terminals which may be "live" even after switching OFF the main incoming units or outgoing fuse-switches on the FBA shall be provided with safety screens and warning labels. Terminals shall be fitted so that extra units may be added as necessary. They shall be suitably sized to cater for long runs of externally mounted cable where voltage drops necessitate a larger size than standard for the connected loads. All extra-low voltage control system components shall be located in a separate section of the multi-starter panels and not intermixed with 415V and 240V control gear. Cable Entry to the panel shall be via a top entry, detachable un-drilled brass gland plate. Panel mounted equipment shall be wired out to terminal strips. Incomer Sections These sections will be equipped with their own front access door and will incorporate:

a) Triple pole fuse-switch fitted with copper links and fully interlocked with the front access door and adequately rated for MCC load. The isolator will be provided with facilities for padlocking in the "OFF" position.

b) Main bolted pattern neutral link.

CONTROL CIRCUITS Each starter shall be provided with its own control circuit. The control circuits for the starters shall be rated at 240V, single phase AC, and shall be derived from the load side of the fuse-switch for the starter. All the control circuits shall be on the same phase (red), and shall be provided with withdrawable bolted-pattern HRC cartridge fuse on the phase and bolted-pattern link on the



neutral line, all located adjacent to the main circuit fuses. Each control circuit shall be arranged to permit emergency de-energising of starter from remote lock-stop buttons and fireman's switches. Suitably rated control circuit fuses shall be provided for groups of contactor coils and interlocking relays and no such fuse shall feed more than ten coils. STARTERS Starter Type BS4941 : Part 1 : 1977 Direct-on-Line for motors up to 5KW BS4941 : Part 2 : 1977 Star-Delta (closed transition) for motors from 5.5KW up to 30KW. BS4941 : Part 4 : 1977 Auto-Transformer for motors from 30 KW up to 55KW. Soft starters shall be provided for motors exceeding 55kW rating, and may be provided from 30kW. The starters shall be rated for uninterrupted duty, and for utilisation category AC3. The starters shall utilise double-break, air-break contactors. Change-over shall be automatic via adjustable electronic timers, with 0-50 second time period range. All starters shall have inherent under-voltage release, and shall automatically reset to start in the correct sequence on restoration of power supply, re-closure of fuse-switch on the panel, and re-closure of isolating switches local to the motors/equipment. The protective devices for each motor shall be integral to the respective starter and comprise of the following:

a) Thermal overload relay with single phasing prevention, adjustable type, Type 1 (i.e. current setting referred to the associated motor full-load current), compensated for ambient temperature, and with hand reset button located internal to the respective compartment. The overload relay shall be fixed type (i.e. non-temperable type).

b) HRC bolted type cartridge fuses rated for Class Q1 of BS88: Part 2: 1975. The

starters shall be provided with Type 2 co-ordination with short-circuit protective devices (SCPD) as specified in IEC 947 including test 'P' and 'Q' for which certification shall be provided.

Each starter and feeder shall be provided with a door-interlocked on-load disconnecting fuse-switch to BS 5419:1977, with independent manual operation and rated for uninterrupted duty and for category of utilisation to AC 23. The fuse-switch shall be double-break, air-break type and shall be fitted with HRC cartridge fuse-links to Class Q1 of BS 88: Part 2: 1975. The fuse-switch shall be provided with auxiliary switches as necessary, to control any incoming control supplies to the respective starter compartment, and to ensure correct starting sequence on re-closure of the fuse-switch. The fuse-switch shall be provided with facilities for padlocking in OFF position. Each compartment for each type of starter shall be equipped at least as follows: Direct on Line Starters



These compartments shall be provided with their own hinged front access door and contain:

a) Triple pole on load disconnecting fuse-switch fitted with suitably rated HRC main fuses.

b) Triple pole main contactor.

c) Triple pole thermal overload relay.

d) Control circuit HRC fuse.

e) Control circuit neutral link.

On the door of the enclosure shall be mounted:

a) Run/Off/Auto selector switch.

b) Run indicating lamp.

c) Trip indicating lamp. Star/Delta Starter These compartments shall be provided with their own hinged front access door and contains:

a) Triple pole on-load disconnecting fuse-switch fitted with suitably rated HRC fuses.

b) Triple pole main contactor.

c) Triple pole star contactor electrically interlocked with:

d) Triple pole delta contactor.

e) Adjustable electronic timer.

f) Triple pole thermal overload relay.

g) Control circuit HRC fuse.

h) Control circuit neutral link. On the Door of the enclosure shall be mounted:

a) Run/Off/Auto selector switch.

b) Run indicating lamp.

c) Trip indicating lamp.



Note: An adequately rated contactor shall be provided in each compartment where the circuit feed is under the control of a time clock or remote emergency lock-off button. In addition to the above starter and feeder specification the necessary timers and interposing relays shall be incorporated to provide the interlocks as shown on schedule. MCC Electric Controls Sections Each MCC shall be provided with a common control section having its own hinged front access door and containing the following equipment:

a) Set of control relays and protection fuses.

b) Adjustable cam timer having adequate contacts to provide sequence loading of the electrical supply on restoration of the supply, and an indicator lamp to light when the timer is in operation.

c) Set test lamp diodes and push buttons.

d) Set alarm relays with local blinking visual indication and audible buzzer.

In the door of the enclosure shall be mounted:

a) Cont/Off/Auto time switch selector.

b) Time switch on indicating lamp.

c) Time switch off indicating lamp.

d) Set duty selector switches for each set of duplicate equipment.

e) Test lamp ON push button, OFF push button, timer to automatically cancel ON function after an adjustable time delay of 0-60 seconds.

f) Mute audible alarm push button which shall give continuous visible indication.

g) Reset button when all the alarm conditions are cleared.

A duty selector switch shall be fitted for each pair of duplicated drives. Lead-lag selector switch shall be provided for multiple-equipment systems, e.g., boilers, pumps. Indicator lamps, with the exception of fuse failure lamps shall be by Tranilamp Limited, their transformer type M/H with 20mm diameter chrome bezels. Fuse failure lamps shall be of the neon type, with current limiting device, fitted in similar bezels. Lamp lenses shall be as detailed in BS4099. A push button shall be provided on each panel to test all pilot light bulbs. A three position switch labelled "CONT/OFF/AUTO" shall be provided on the face of the panel for each time switch with two lamps indicating "ON" and "OFF". The switch controlling the power supply to this cubicle shall not be interlocked with the door, and shall be provided within the cubicle and with protective shrouds with a warning notice, over the terminals. All power/control circuit cables operating at 415/240V ac shall be



provided with a braided copper outer screen, which shall be effectively bonded to the earth at the main earth bar. All power/main circuit/control circuits between this HVAC controls cubicle and the rest of the FBA shall be terminated on a set of terminals in the HVAC controls cubicle and another identical set in the cubicle adjacent, with "jump" leads between the two sets of terminals. The terminals shall be provided with insulating shroud and warning notice. A separate set of terminals complete with shroud and warning notice, shall be provided in the HVAC controls cubicle for connections to HVAC controls field devices, e.g., thermostats, pressure switches, flow switches etc. Remote Indications All alarm and trip conditions on each respective MCC (including packaged equipment panels) shall be grouped together to give a remote "Attend MCC" signal via 6A 240ac single pole volt-free change over contact to the Central heat pump alarm panel in the ground floor back office, and the remote alarm and controls shall be connected to the Main Fire Alarm Panel in the ground floor hotel reception from each MCC clearly indicated. 3.18All individual package plant shall provide a fault alarm on the heat pump alarm panel in the hotel back office.



Electrical Switchboard Monitoring The Two Packaged sub-station in the basement switch room shall each be provided with the following alarms / status indication on the BMS system.

1. Main incoming circuit breaker tripped 2. Main incoming circuit breaker open 3. Transformer high temperature alarm



3.173.19 Appendices 3.17.13.19.1 Drawing list Tender Drawings Drg No. Title

Mechanical Detailed Design 7105/M/001/V/1 BOH, Lower fl, Ventilation schematic sheet 1 of 6 Rev C1 7105/M/001/V/2 FOH, Lower fl, Ventilation schematic sheet 2 of 6 Rev C1

7105/M/001/V/3 Kitchen & comms riser ventilation schematic sht 3 of 6 Rev C1

7105/M/001/V/4 North Bedroom, Ventilation schematic sheet 4 of 6 Rev C1 7105/M/001/V/5 South Bedroom, Ventilation schematic sheet 5 of 6 Rev C1 7105/M/001/V/6 10th & 11th fl, Ventilation schematic sheet 6 of 6 Rev C1 7105/M/002/CH/1 Chilled water & condensate schematic sheet 1 of 4 Rev C1 7105/M/002/CH/2 Chilled water & condensate schematic sheet 2 of 4 Rev C1 7105/M/002/CH/3 Chilled water & condensate schematic sheet 3 of 4 Rev C1 7105/M/002/CH/4 Chilled water & condensate schematic sheet 4 of 4 Rev C1 7105/M/003/H/1 LTHW schematic sheet 1 of 4 Rev C1 7105/M/003/H/2 LTHW schematic sheet 2 of 4 Rev C1 7105/M/003/H/3 LTHW schematic sheet 3 of 4 Rev C1 7105/M/003/H/4 LTHW schematic sheet 4 of 4 Rev C1 7105/M/004/G Gas distribution schematic Rev C1 7105/M/B/V/1 Basement – Ductwork layout sheet 1 of 3 Rev C1 7105/M/B/V/2 Basement – Ductwork layout sheet 2 of 3 Rev C1 7105/M/B/V/3 Basement – Ductwork layout sheet 3 of 3 Rev C1 7105/M/B/V/4 Basement – Ductwork Sections sheet 4 of 4 7105/M/G/V/1 Ground Floor – Ductwork layout sheet 1 of 43 Rev C1 7105/M/G/V/2 Ground Floor – Ductwork layout sheet 2 of 43 Rev C1 7105/M/G/V/3 Ground Floor – Ductwork layout sheet 3 of 43 Rev C1 7105/M/G/V/4 Ground Floor – Ductwork Sections sheet 4 of 4 7105/M/MZ/V/1 Mezzanine – Ductwork layout Rev C1 7105/M/1/V/1 1st Floor Ductwork layout sheet 1 of 34 Rev C1 7105/M/1/V/2 1st Floor Ductwork layout sheet 2 of 34 Rev C1 7105/M/1/V/3 1st Floor Ductwork layout sheet 3 of 34 Rev C1 7105/M/1/V/4 1st Floor Ductwork Sections sheet 4 of 4 7105/M/2/V/1 2nd Floor Ductwork layout sheet 1 of 2 Rev C1 7105/M/2/V/2 2nd Floor Ductwork layout sheet 2 of 2 Rev C1 7105/M/3/V/1 3,4,5th – Ductwork layout sheet 1 of 2 Rev C1 7105/M/3/V/2 3,4,5th – Ductwork layout sheet 2 of 2 Rev C1 7105/M/6/V/1 6,7,8th – Ductwork layout sheet 1 of 2 Rev C1 7105/M/6/V/2 6,7,8th – Ductwork layout sheet 2 of 2 Rev C1 7105/M/9/V/1 9th – Ductwork layout sheet 1 of 2 Rev C1 7105/M/9/V/2 9th – Ductwork layout sheet 2 of 2 Rev C1



Drg No. Title Mechanical Detailed Design

7105/M/10V/V/1 10th Floor Service void – Ductwork layout sheet 1 of 2 Rev C1

7105/M/10V/V/2 10th Floor Service void – Ductwork layout sheet 2 of 2 Rev C1

7105/M/10/V/1 10th – Ductwork layout sheet 1 of 3 Rev C1 7105/M/10/V/2 10th – Ductwork layout sheet 2 of 3 Rev C1 7105/M/10/V/3 10th – Ductwork Sections sheet 3 of 3 Rev C1 7105/M/120 Sub basement plantroom layout 7105/M/121 Basement plantroom layout & sections Rev C1

7105/M/122 Basement Floor Laundry plantroom layout & sections Rev C1

7105/M/123 1st floor south plantroom layout & sections Rev C1 7105/M/124 1st floor north plantroom layout & sections Rev C1 7105/M/125 10th floor plant roof layout & sections 7105/M/126/1 11th floor plant – Roof sheet 1of 43 Rev C1 7105/M/126/2 11th floor plant – Roof sheet 2 of 43 Rev C1 7105/M/126/3 11th floor plant - Roof sections sheet 3 of 43 Rev C1 7105/M/126/4 11th floor plant – Roof details sheet 4of 4 Rev C1 7105/M/130/1 Sub Basement plant equipment layout high level Rev C1 7105/M/130/2 Sub Basement plant equipment layout low level Rev C1

7105/M/167/1 Proposal 3 for CHW access and condenser location Rev C1



Drg No. Title Public Health Detail Design 7105/P/005/HC/1 Hot & Cold water services schematic sheet 1 of 5 Rev C1 7105/P/005/HC/2 Hot & Cold water services schematic sheet 2 of 5 Rev C1 7105/P/005/HC/3 Hot & Cold water services schematic sheet 3 of 5 Rev C1 7105/P/005/HC/4 Hot & Cold water services schematic sheet 4 of 5 Rev C1 7105/P/005/HC/5 Hot & Cold water services schematic sheet 5 of 5 Rev C1



Drg No.

Title

Electrical Detail Design 7105/E/001/P Main Electrical schematic Rev C1 7105/E/002/FA Fire Alarm schematic Rev C1



3.17.23.19.2 MCC Schedules

Download - four seasons hotel - bms specification 040309ashdowncontrols.wdfiles.com/local--files/specifications/four... · Four Seasons Hotel Park Lane, ... Four Seasons Hotel, Park Lane, London

Top Related