111002.mep deadsign brief(rev 2)

8/12/2019 111002.MEP DeADsign Brief(Rev 2)

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Prepared by :

PT Meinhardt Indonesia

Grha Tirtadi 3/FJalan Raden Saleh No. 20Jakarta 10330 - Indonesia

Ph. (62-21) 392 9911

Fax. (62-21) 392 5995E-mail: [email protected]

PADMA RESORT PUHU

BALI

INDONESIA

M &E SERVICES

DESIGN BRIEF

DRAFT ( Rev. 2 )

28 June 2011


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PADMA RESORT PUHU, BALI - INDONESIA

M&E SERVICES - DESIGN BRIEF(Rev 2)

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TABLE OF CONTENT

1.1 GENERAL ............................................................................................................................ 11.2

PROJECT DESCRIPTION ................................................................................................. 1

1.3 SYSTEMS INCLUDED ....................................................................................................... 22.1 CODES AND STANDARDS ............................................................................................... 32.2 DESIGN CRITERIA ............................................................................................................ 42.3 PRELIMINARY LOAD ESTIMATES .............................................................................. 82.4 METERING FACILITIES .................................................................................................. 82.5 DISTRIBUTION OF M&E INFRASTRUCTURE SERVICES ...................................... 93.1 GENERAL .......................................................................................................................... 103.2 SCOPE OF WORK ............................................................................................................ 103.3 SYSTEM DESCRIPTION ................................................................................................. 114.1 GENERAL .......................................................................................................................... 174.2 SCOPE OF WORK ............................................................................................................ 174.3 SYSTEM DESCRIPTION FOR ELECTRICAL SERVICES ....................................... 175.1 GENERAL .......................................................................................................................... 325.2 SCOPE OF WORK ............................................................................................................ 325.3 WATER CONSUMPTION AND AREAS OF POTENTIAL SAVINGS ..................... 325.4 SYSTEM DESCRIPTION ................................................................................................. 345.5 BOILER SYSTEM ............................................................................................................. 395.6 GAS BOTTLE INSTALLATION AND DIESEL OIL INSTALLATION ................... 406.1 GENERAL .......................................................................................................................... 416.2 SCOPE OF WORK ............................................................................................................ 416.3 SYSTEM DESCRIPTION ................................................................................................. 427.1 GENERAL .......................................................................................................................... 457.2 CODES AND STANDARDS ............................................................................................. 457.3 DESIGN CRITERIA .......................................................................................................... 457.4 LIFT TYPE ......................................................................................................................... 458.1 GENERAL .......................................................................................................................... 468.2 SCOPE OF WORK ............................................................................................................ 468.3 SYSTEM DESCRIPTION ................................................................................................. 46

APPENDIX 1 MEP Concept / Schematic Drawings

APPENDIX 2 MEP Mock Up Room Drawings (Work in Progress)

APPENDIX 3 Estimation of Cooling Load

APPENDIX 4 Estimation of Electrical LoadAPPENDIX 5 Estimation of Water Usage (CWS and HWS)

APPENDIX 6 Estimation of Gas Consumption

APPENDIX 7 Chiller Arrangement Detail McQuay International


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1.0 INTRODUCTION

1.1 GENERAL

The main objective of this report is to provide descriptions, supporting information, and concept /

schematic drawings to illustrate the design of all the mechanical and electrical (M&E) installations

for the Padma Resort, Puhu, Bali, Indonesia.

The M&E concept/schematic designs are generally based on the current Bali Anugerah Dewata

architectural drawings.

The M&E concept/schematic designs form the basis of all the coordination works with other

project consultants including M&E space allocation and the preparation of the first Project Cost

Plan by the Quantity Surveyor.

This report is intended to be the basis for ongoing detailed design. It is requested that the client

and architectural team should review the design brief and confirm that the proposals recommended

are appropriate and acceptable for the project.

Development of the design will continue at the Schematic / Design Development and Detail

Design Phase after acceptance of the concept design report by the Project Manager.

It should be noted that there are particular parts of the conceptual design that should be agreed as

part of the resort operations and IT requirements and these are highlighted in the text.

The M&E concept / schematic design drawings are given in Appendix 1.

The M&E work in progress Mock Up room drawings are given in Appendix 2.

1.2 PROJECT DESCRIPTION

The design brief is based on the latest Architectural Plans dated 29 APRIL 2011

The development comprises :

Main Building Accommodation Blocks

Front of House Areas

Reception

Lounge

Back of House

Plant Area

Spa

Gym

Swimming Pool

Parking


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1.3 SYSTEMS INCLUDED

The following systems will be included in the scope of M&E design:

Building Air Conditioning and Mechanical Ventilation (ACMV) systems Electrical Systems Extra Low Voltage Systems Fire Protection and Detection Systems Plumbing and Sanitary Systems Swimming Pool System Lift Systems Building Management SystemDetailed description of the system concepts are provided in the subsequent sections of this report.


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2.0 CODES AND STANDARD AND DESIGN CRITERIA

2.1 CODES AND STANDARDS

The M&E systems design and installation will comply with the requirements of the relevant

standards, codes and guides issued by the local authorities and generally to internationally

recognised institutions including the following:

2.1.1 Air Conditioning and Mechanical Ventilation (ACMV)

British/Australian Standards CIBSE Standards ASHRAE Standards Regulation of Jakarta (DKI) All other relevant codes, regulations and requirements of the authorities having jurisdiction

2.1.2 Electrical Services

PLN Regulations Latest edition of the I.E.E Wiring Regulations plus amendments Regulation of Jakarta (DKI) Relevant British Standards Relevant Australian Standards International Electrotechnical Committee (IEC) Local Fire Code Regulations Procedures on the installation of safety devices for the Prevention of Fire Hazards in Building

Construction (Public Works Ministry of Regulation)

2.1.3 Communication Services

Data and Telephones:

Regulation of the Local Authority BS 6701 Telecommunications Equipment and Telecommunications Cabling EIA/TIA 568-B Commercial Building Telecommunications Cabling EIA/TIA 569 Commercial Building Standard for Telecommunication Pathways and SpacesCABD/MATV system:

Code of Practice of the Confederation of Aerial Industries

2.1.4 Plumbing and Drainage

The plumbing and drainage installation shall be designed to comply with the following:

SNI Regulations Australian Standards


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2.1.5 Liquified Petroleum Gas

NFPA 58 Liquified Petroleum Gas Code

2.1.6 Automatic Sprinkler Systems, Standby pipes and Portable Fire Extinguishers

NFPA 10 Standard for Portable Fire Extinguishers NFPA 13 Installation of Sprinkler Systems NFPA 14 Standard for the Installation of Standpipe, Private Hydrant and Hose Systems NFPA 20 Standard for the Installation of Centrifugal Fire Pumps NFPA 22 Water Tanks for Private Fire Protection

2.1.7 Fire Alarm Detection and Emergency Warning Systems

BS 5839 Fire detection and fire alarm systems for buildings

2.2 DESIGN CRITERIA

2.2.1 Air Conditioning and Mechanical Ventilation (ACMV)

The following are the criteria to be adopted for the design of the air conditioning system:

External ambient conditions (to be confirmed by the Project Manager / Local Consultant)33C27C

Internal conditions (to be confirmed by the Project Manager / Hospitality Consultant/SpaConsultant)

The design criteria listed below are adopted for the various areas in designing the air

conditioning system.

Area

RoomTemper.( 1C)

(1)

RoomRelativeHumidity

(5% RH)

(2)

RoomNoiselevel

Occup.OutdoorAir

Heat Gains

VentilationPeople

LightingEquipment(small

power)Sensible Latent

(oC) % RH (NC)m2 perperson

(l/s/person)

(W/person) (W/m2) (W/m2) a.c.hr-1

Reception

Lobby

Natural

Ventilation

Natural

Ventilation40 10

ReceptionNaturalVentilation

NaturalVentilation

40 10

Lobby LoungeNaturalVentilation

NaturalVentilation

40 10

One Bedroom

Suite24 55 30-35

2

persons

30 l/s per

room (9)68 35

300 W per

room

600 W per

room-

Two BedroomSuite

24 55 30-352persons

30 l/s perroom (9)

68 35600 W persuite

1200 persuite

Guest Room

Bathroom30-35

Included in guestroom

aboveGuest Room

Corridor24 55 35-40 10 7.5 72 60 20 Negligible -

Housekeeping /Room Service

24 55 40-45 10 7.5 72 60 20 20 -


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Area

Room

Temper.( 1C)

(1)

Room

RelativeHumidity

(5% RH)(2)

Room

Noiselevel

Occup.OutdoorAir

Heat Gains

VentilationPeople

LightingEquipment(small

power)Sensible Latent

(oC) % RH (NC)m2 per

person

(l/s/

person)(W/person) (W/m2) (W/m2) a.c.hr-1

General Office 24 55 35-40 10 7.5 72 60 20 20 -

Meeting / boardroom

23 50 30-35 1.5 7.5 72 60 50 10 -

Pre-function 23 50 35-40 1.5 7.5 82 79 50 10 -

Store room

BOH corridor

Guest toilet 24 (4) 55 40-45 N/A N/A - - 30 Negligible15 (withACprovided

Locker rooms 24 55 40-45 5 7.5 72 60 20 Negligible

10 (with

ACprovided

Training room 23 55 35-40 3 7.5 72 60 20 20 -

Chemical store 15

Room Service 23 55 35-40 1 person 7.5 72 60 20 20

Buggy loading

and parking

Garbage andRecycling

26 55

Staff toilets (3) (3) 40-45 N/A N/A N/A N/A 20 Negligible 15

Main kitchen 26 (6) 55 45-50 - - 20 (8) 50 (3) (14)

Dining

(internal)24 55 35-40 1.5 7.5 82 (5) 79

400 (including lighting

and kitchen equipment)

Dining

(external)

400 (including lighting

and kitchen equipment)

Laundry 26 (6) 45-50 20 (8)

Spa 24 55 30-35 3 10 20 (8)

Computer /server room

22 50 40-45 - - 20 (12) -

Plantrooms 10(12)

GeneratorRoom

N/A N/A N/A N/A N/A N/A N/A 10(10)

Boiler room N/A N/A N/A N/A N/A N/A N/A 10(11)

Notes:

1 The tolerance levels shown indicate the range of temperatures due to the operation of the controls system.2

No control of relative humidity is provided. Values shown are adopted for the purpose of design andselection of the cooling coils under design condition.

3 Make up air from adjacent air-conditioned space4 All public toilets will be provided with FCU unless otherwise stated. Guests Rooms toilets will be ventilated

by conditioned air induced from the surrounding air conditioned areas and exhaust through the toilet exhaust

fans.5 Addition of 20W/person is allowed for heat dissipated from meals served.6 The area will be mechanical ventilated with spot cooling at the working area.7 Not used8 Power supply for kitchen, laundry and SPA as per kitchen, laundry and SPA Consultants requirements9 Fresh air as shown or to match bathroom exhaust10 For normal ventilation only. Additional ventilation or cooling to be provided when generator is operating11 Or to meet combustion requirements12 Or to match equipment heat output13 Not used14 Or as per exhaust hood requirement whichever is the greater


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2.2.2 Electrical Services

The following are the design parameters used in the calculation of electrical load:

2.2.2.1 Power Requirement

AreaLighting Load Allowance

(W/sq.m)

Small Power Load Allowance

(W/sq.m)

Office / Meeting Room 15 20

Guest Bedroom 15 20

Bathroom 15 -

Fine Dine / Private Dine 20 10

Library 15 5

Retail 40 20

Training 15 20Kitchen 20 See Note

Laundry 15 See Note

Spa 15 See Note

Public Toilets 15 -

Lobby / Lounge 30 10

Bars 15 20

Gym 15 15

Function Room 30 10

(Note): Power supply to kitchen equipment will be separately provided.

Power supply for kitchen, laundry and Spa shall be as per kitchen, laundry and Spa Consultants

requirements.

Detailed load analysis will be carried out in the Design and Development Stage.

Air conditioning load and pool system load will be considered separately.

2.2.2.2 Illumination Levels

Lux Level Table

M&E Plant Room 300 luxCorridors / Staircase 200 lux

Laundry Room 500 lux

Toilets 200 lux

Office 500 lux

Kitchen 500 lux

Shops 500 lux

Other areas such as guestrooms, reception, lobbies, lounge, restaurants, meeting rooms,

health club and exterior, illumination level will be designed by Interior Designer,

Landscape Consultant or Lighting Consultant (LC).

Lighting Control Systems will be provided for functional areas and Hotel Lobby as perLighting Consultants Design

Each M&E plantroom will be provided with at least one 3-hour self-contained typeemergency fluorescent luminaire.


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All emergency lighting and exit signs will be of the 3-hour self-contained type. Forareas where lighting to ID/LCs design and selection, non-maintained emergency

lighting will be provided in addition to the ID/LCs selected lighting.

One emergency light will be installed in foyer of every guestroom, and will be switchedon automatically in case of power failure, regardless of status of switch plate.

The lighting layout in the public areas except those at services area and plantrooms areto be designed by Interior Designer (ID). Wiring to this lighting will be provided under

the electrical works.

The external/landscape lighting will be designed and selected by the LightingConsultant/Landscape Consultant. Wiring to this lighting will be provided under the

electrical works.

All of the above criteria to be confirmed by the Project Manager and Hospitality

Consultant

2.2.3 Plumbing and Gas Services

2.2.3.1 Cold Water Supply

Area

Population Water consumption

People/hotel

room

m2/

personl/day/m2

l/day/

person

Car park - 15 l/day/carHotel guest room 2 500

Hotel Staff non accommodation 100

Restaurant/Kitchen 30

2.2.3.2 Hot water

Area

PopulationWater consumption

People/hotel

room

m2/

personl/day/m2

l/day/

person

Car park - noneHotel guest room 2 150

Hotel Staff non accommodation 30

Restaurant/Kitchen 10 per meal

2.2.3.3 Gas Consumption

Refer to calculation in Appendix 6. Further assessment will be made after the kitchen

equipment is further developed.


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2.3 PRELIMINARY LOAD ESTIMATES

2.3.1 Estimate of Air Conditioning Load

The estimated cooling calculation is shown in Appendix 3

The cooling load calculations will be confirmed during detailed design.

2.3.2 Estimate of Electrical Loads

The estimated undiversified and diversified electrical demand calculation is shown in Appendix 4

The total electrical demand will be confirmed during detailed design.

2.3.3 Estimate of Water Consumption

2.3.3.1 Cold Water Usage

The estimated water usage calculation is given in Appendix 5

The total cold water demand will be confirmed during detailed design.

2.3.3.2 Hot Water Usage

The estimated hot water demand calculation is given in Appendix 5

The total hot water demand will be confirmed during detailed design.

2.3.4 Estimation of Gas Consumption

The estimated gas consumption calculation is given in Appendix 6

The total gas demand will be confirmed during detailed design.

2.4 METERING FACILITIES

Proper utility metering facilities are essential for future Resort management. The following will

be planned to meet the expected requirements of the development:

Chilled water Separate meters to individual main buildings Electricity Incoming supply metering and sub metering will be provided for the resort Plumbing Sub water meter will be provided at the incoming water mains for the resort Gas Metering facilities for 24-hour cooking will be provided for the resort


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2.5 DISTRIBUTION OF M&E INFRASTRUCTURE SERVICES

2.5.1 Site Distribution

Generally all infrastructure pipework and cable distribution will be distributed throughout the site

as follows:

Direct buried in ground

2.5.2 Building Distribution

Generally, pipework and cables will be distributed vertically within riser shafts and horizontally

concealed within ceilings.


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3.0 AIR CONDITIONING AND MECHANICAL VENTILATION (ACMV) SERVICES

3.1 GENERAL

The purpose of the air conditioning and mechanical ventilation systems is to create a comfortable

and safe environment for the occupants as well as providing effective heat removal from M&E

equipment.

Maintaining good indoor air quality in terms of temperature, humidity, air movement, air filtration

and contaminant control will be a prime concern.

The ACMV installation should not create undue noise and vibration to the premises. Special

attention will thus be given to noise and vibration control to ACMV equipment and sensitive

areas.

As requested by the client the air-conditioning will be in the form of air Cooled chillers complete

with heat recovery. Through the use of heat rejection from the chillers, water will be heated, stored

in a tank and then distributed throughout the site.

Generally, air conditioning will be provided for Hotel guestrooms, offices, restaurants, lift lobbies,

Front of House and Back of House areas.

Mechanical ventilation will be provided for toilets, service lobby and M&E plantrooms.

A central chiller plant will provide chilled water to the development.

Automatic control and monitoring of all the ACMV equipment will generally be carried out via

Direct Digital Control (DDC) system which will be fully integrated with the BMS.

3.2 SCOPE OF WORK

The scope of the air conditioning and mechanical ventilation (ACMV) systems covers mainly the

following :

Air conditioning system comprising chilled water and air distribution systems to allguestrooms, offices, and lobby areas

Mechanical ventilation systems for toilets, kitchens and plantrooms as required Noise and Vibration Control (with advice from the acoustic consultant) Automatic Control System


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3.3 SYSTEM DESCRIPTION

3.3.1 Chilled Water System

3.3.1.1 Central Chilled Water Air Conditioning System

Based on the estimated cooling load of approximately 960 kW (diversified) four 320

kW air-cooled chillers will be used. Each unit has two circuits with each compressor

and each circuit will operate independently. In general three chillers will operate at

peak load and one chiller will be for standby use. The chillers will be selected with an

extra low noise and high efficiency. For chilled water distribution to AHU /FCU this

shall be via a secondary pump with variable speed drive.

The screw type air cooled chillers are using refrigerant with non CFC such as R407c

and COP value minimum 2.8.

The air cooled chiller type will be complete with heat recovery system. The hot water

supply from the chillers will be in addition to the main hot water system.

A pair of chilled water distribution pipes (supply and return) will be installed in the

service trench around the development with branch tee-off to chilled water fan coil

units or air handling units.

3.3.1.2 Chilled Water Distribution

Ring Main Distribution loop

For a larger site, a ring main type distribution loop is appropriate, rather than a more

conventional flow and return (out-and-back) or reverse-return type pipework

distribution systems.

A distribution loop will also facilitate changes and additions to the building air

conditioning system and cooling loads.

The basic scheme would include a single size flow and return chilled water pipework.

The pipework size is approximately 50% of the initial main size of a comparable out-

and-back system for the same design pressure drop and in overall cost, the loop

pipework would be less expensive.

Chilled water flow takes place in both directions and at some point in the system there

is an equal pressure from both sides resulting in zero flow at that point. The point of

zero flow will automatically adjust to any changes in the load including addition or

deletion of air conditioning system or buildings.

Each loop is hydraulically self-balancing.

The system can be arranged with variable speed pumping using a differential control

point in the system (away from the central plant). In this case the system pressure atpart load will be decreased with lower pump energy consumed.


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The chilled water pipe risers will be of reverse return arrangement with control and

balancing valves provided at each AHU, PAU and FCU for chilled water regulation.

Thermal expansion of chilled water is accommodated via a pressurisation unit.

The heat dissipation of the kitchen equipment from the condensing units will be cooled

by using chilled water.

3.3.2 Air conditioning and Fresh Air Supply

3.3.2.1 Air conditioning Provisions

The following spaces will be air conditioned:

Space/Room Type of Air-sideSystem

Remarks

Guestroom Fan coil unitPre-treated primary air supply forguestroom

Guest FloorCorridor

Natural ventilation -

Lounge Air Handling Unit Pre-treated fresh air supply

OfficesFan coil units/Airhandling units

Pre-treated fresh air supply

Meeting RoomsFan coil units/Airhandling units

Pre-treated fresh air supply

3.3.2.2 Guestrooms

Air conditioning will be provided to each guestroom by means of chilled water ducted

type fan coil units. Each fan coil unit will be ceiling mounted complete with insulated

sheet metal ductwork connected to wall mounted diffusers. Air will be returned to the

fan coil unit via the conditioned space and return air grille in the bulkhead over the

guest room lobby.

A central fresh air PAU will provide treated fresh air to each guest room via multiple

ductwork risers and horizontal ductwork branches distributed above the ceilings in each

guestroom.

Each PAU will be complete with a factory integrated air-to-air energy recovery

wheel.

Treated air will be introduced directly to the guest room via a sidewall mounted grille

(which forms part of the FCU supply air grille).

Fresh air supply to the room also serves as make up air for toilet exhaust.

An air filter will be located behind the ceiling mounted return air grille. Generally

return air will be fully ducted.

Each fan coil unit shall have individual thermostat and three fan speed control.

For the guestrooms the air conditioning system will not be switched off when the door

is open. Instead, the room temperature setting will be automatically raised to a pre-set


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higher temperature of say 26C. This will help to avoid condensation (this operating

arrangement to be confirmed by Project Manager and Hospitality Consultant)

3.3.2.3 Hotel Corridors and Passenger Lift Lobby on Guestroom Floors

Generally Hotel Corridor is open to outside area. The air conditioning is not needed,

only natural ventilation.

3.3.2.4 Restaurants

Air conditioning will be provided to each area by either ceiling or floor mounted chilled

water fan coil units or air handling units. Each fan coil unit or air handling unit will be

complete with insulated sheet metal ductwork connected to ceiling mounted airdiffusers. Air will be returned via the conditioned space and ceiling mounted return air

grilles. Outside air will be generally provided by separate fresh air AHU systems to

provide pre-treated fresh air via insulated sheet metal ductwork connected to each air

handling unit.

3.3.2.5 Front Offices and Meeting Rooms

Air conditioning will be provided to each office and meeting room by means of chilled

water ducted type fan coil units. Each fan coil unit will be ceiling mounted complete

with insulated sheet metal ductwork connected to wall or ceiling mounted diffusers. Air

will be returned to the fan coil unit via the conditioned space and return air grilles.Outside air will be provided by a separate ducting system.

3.3.2.6 Back of House Areas

Air conditioning will be provided to all offices, meeting rooms, housekeeping areas,

change rooms, etc. by chilled water fan coil units. Each unit will be similar to a

guestroom installation. Spot cooling will be provided to the kitchens and laundry.

3.3.2.7 Service Lift Lobby and House Keeping Rooms

Air conditioning will be provided to each service lift lobby and house keeping rooms

by means of above ceiling FCUs with ducted supply and return air located at each

level.

3.3.2.8 Lift Cars

Independent DX Cooling units will be provided to cool the lift cars where the car is

exposed to extended areas of external glazing.

3.3.2.9 Public Guest Toilets

Mechanical exhaust will be provided for the toilets.


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Some air conditioned air will be introduced directly to the toilets areas via a ductwork

branch from adjacent area AHU system, or by FCU transfer from adjacent area.

Make up air to the toilets will be by conditioned air from the adjacent areas or other air

conditioned areas.

3.3.2.10 Plant Rooms

Generally, plant rooms will not be cooled. Mechanical ventilation will generally be

provided.

3.3.2.11 FCC/Engineering Office, PBX Room, Server Room and Other Telecommunication

Rooms

Under normal conditions, 24-hour air conditioning will be provided for the

FCC/engineering office, PBX room, server room and other telecommunications rooms

by chilled water FCU. In the event of power failure or failure of the chilled water plant,

a standby direct expansion air-cooled unit will be activated to maintain air conditioning

to the associated space.

3.3.3 Air-conditioning and Fresh Air Supply

3.3.3.1 Mechanical Ventilation Provisions

The following spaces will be provided with mechanical ventilation:

Space/Room Type of System Remarks

Kitchen Supply & exhaust Axial fans provided formechanical supply.

Bifurcated fans with motorrating of 250C providedfor mechanical exhaust.

Exhaust ducts runningoutside the kitchen are fire-rated with cladding.

No flange joint in duct. Use 3mm thick black steel

duct with fully weldedjoint.

P-trap in ductwork is notallowed.

Air Cleaner/Carbonfilter/UV Hood to beprovided by tenant as part

of kitchen hood supply.

Toilets

(common areas)

Independent exhaust Axial fans provided formechanical exhaust.

Discharge at roof levelwhere possible.


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The following air conditioned spaces will be provided with mechanical ventilation:

Space/Room Type of system Remarks

Guest Room toilet andbathroom Centralised exhaust

Axial fans provided formechanical exhaust.

Discharge at roof level.Restaurant

Independent fresh airsupply and exhaust

Outside air ducted to AHU. Axial fans provided for

mechanical exhaust.

Offices/meeting roomsCentralised fresh airsupply Outside air ducted to AHU.

Retail areasIndependent fresh air

supply

Outside air ducted to FCU.

Change roomsIndependent fresh airsupply and exhaust

Outside air ducted to AHU/FCU.

Axial fans provided formechanical exhaust.

Function RoomsIndependent fresh airsupply Outside air ducted to FCU.

FCC/Engineering

office

Independent fresh air

supply Outside air ducted to FCU.

3.3.3.2 Guest Accommodation Toilets

A central ducted mechanical ventilation system will be provided to serve all guestroom

toilets and bathrooms.

To recover the cooling effect of the toilet exhaust air which would otherwise be wasted

and discharged to atmosphere, the exhaust air will be used to pre-cool the outdoor air

before delivery to the PAU for further treatment and air filtration. Heat recovery will

be carried out via the use of rotary energy recovery wheel where the two air streams of

toilet exhaust and outdoor air exchange energy. When possible the energy recovery

wheel will be integrated with the PAU.

3.3.3.3 Laundry

Generally, air will be exhausted from the laundry, and particularly over heat producing

equipment. Spot cooling will be provided to workers areas by local FCUs with ducted

air supplied to the space by adjustable nozzles.

3.3.3.4 Kitchen

Exhaust from the kitchen area will generally be via the kitchen exhaust hoods and

dishwasher exhaust. Outdoor make up air will be supplied to the vicinity of the exhaust

hoods. Spot cooling will be provided to workers areas by local FCUs with ducted airsupplied to the space by adjustable nozzles.


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3.3.3.5 Plantroom

Generally, plant rooms will not be air conditioned.

Plantrooms that are not provided with air conditioning will be provided with

mechanical ventilation systems designed to ensure that heat emitted from the equipment

is effectively removed and the room temperature is maintained below 38C.

3.3.4 Smoke Control (by Natural Ventilation)

3.3.4.1 Staircase and Guest Room Corridors

All staircases where not already open to air, will be provided with openable windows

which can be opened during fire incidents.

3.3.4.2 Lift Shafts

Lifts shafts will be naturally ventilated at the top of the shaft direct to outside.

3.3.5 Control and Building Automation System

Direct digital and electronic controls will be employed for control and monitoring of the entire air

conditioning and mechanical ventilation services. The system will be integrated with the Building

Management System. A more detailed discussion of the Building Management System is

provided elsewhere in this report.

The following control and monitoring functions shall generally be provided:

Time schedule start/stop of pumps, air handling and ventilation equipment Automatic temperature control of the air handling system via chilled water valves Automatic speed control of AHU fan, PAU fan and chilled water pumps Monitoring of temperature and air flow Monitoring ON/OFF/TRIP status of all major equipment Automatic control and monitoring of motorised valves, dampers etc Run time totalisation and energy consumption loggingThe following will have its own local electrical / electronic control systems (not via BMS DDC):

Retail FCUs

Hotel guestroom FCUs

3.3.6 Acoustic Treatment

The entire ACMV system will be carefully designed and installed to ensure compliance with the

design criteria noise levels and will not cause nuisance to the environment.

Mechanical equipment will be provided with vibration isolation equipment and flexible connector

at supply and discharge side of duct / pipe connections.

All fan and pump speeds will be limited to 1450 rpm as far as possible to minimize noise and

vibration emission.

Acoustic treatment will be provided where necessary as advised by the acoustic consultant.


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4.0 ELECTRICAL AND EXTRA LOW VOLTAGE (ELV) SERVICES

4.1 GENERAL

Electrical supply and distribution systems are essential and vital means for operation of a building

during utility normal power, utility power failure and emergency operation periods.

The aim of the design of the electrical supply and distribution systems for this project is to achieve

the following objectives:

To provide reliable and adequate power supply to maintain the hotel operations at all times To ensure that the designs and installations are safe for operation and are in compliance with

the codes of practice and authorities requirements

To include a level of redundancy in terms of system design and infrastructure provisions To provide cost effective and easy maintenance systemsAdequate and state of the art extra low voltage (ELV) systems and telecommunication

infrastructure will be provided to meet the functional requirements of the occupants and to

facilitate efficient/effective management of the development.

4.2 SCOPE OF WORK

The scope of work for Electrical and Extra low Voltage (ELV) services are as follows:

380V distribution system comprising of 380V incoming cables to the building, 380V LV mainswitchboard and LV cables

LV distribution system comprising of LV main switchboard, cable trenches, cable risers /feeders to sub-boards and distribution boards

Tenant electrical provisions inclusive of centralised metering boards Standby power generation in the form of diesel generating sets to provide 100% backup supply General lighting inclusive of interior and exterior lights, emergency lights and exit lights Final circuit wiring from distribution board to general lighting and power points via cabling in

trunking/conduits

Earthing and equipotential bonding system Lightning protection system Public address/emergency voice communication / background music system Satellite master antenna TV (and cable TV) Telecommunication infrastructure system (mobile phone / GSM, fibre optic backbone cables

and containment)

Building Management System interfacing with electrical system

4.3 SYSTEM DESCRIPTION FOR ELECTRICAL SERVICES

4.3.1 Systems Provided by Others

IT/Data system active equipment including servers, routers, patch panels, data cabinets, flyleads etc (to be confirmed by IT specialist)

PBX equipment including associated UPS/battery (to be confirmed by IT specialist)


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Telecommunication systems including, telephone switches, operating consoles,communication cabinets, two way radio system and DECT system (to be confirmed by IT

specialist)

Telephone handsets (to be confirmed by hotel operator) Central computer/servers including associated UPS/ battery (to be confirmed by IT specialist) POS system (To be confirmed by hotel operator) Audio-Visual equipment and sound reinforcement system (to be confirmed by hotel operator) Additional electric sub meters (over and above those described elsewhere) to functional areas

(to be confirmed by hotel operator)

Hotel guestroom access and energy saving key-tag controller and system (to be confirmed byhotel operator)

Access control system for office areas (to be confirmed by hotel operator)

4.3.2 Low Voltage Distribution System

4.3.2.1 Main LV Distribution System

It is envisaged that the incoming power supply will be tapped from a new PLN 20 kV

substation in the vicinity of the site.

From the PLN 20 kV substation off site, a supply will be brought into the PLN

room/substation located within the project site.

It is understood that the PLN Room/substation needs to be a minimum of 7m x 3m to

house PLN switchgear and transformer.

The PLN room is planned within the main BOH plantroom building.

The PLN supply to the site from the PLN room will be at 20kV 3ph and will distribute

to the MV room adjacent to the PLN room. From this MV room the the supply will step

down to 380V 3ph and neutral for LV distribution across the site.

.

Standby generators will be provided adjacent to the electrical switchroom and MLVSB.

The LV Switchroom which serves the hotel is located in the Back of House Plant

Building.

The maximum demand is estimated at approximately 1000 kW

The load distribution schematic of the LV switchboard is shown on drawing number

SK-E.4-02. As indicated on the drawing emergency backup supplies will be provided

by the standby generator plant.

No spare capacity will be provided for future load growth in the main switchboards.

The distribution voltage is 380/220V. Power factor correction to 0.95 including

harmonic filters will be provided at the LV Main Switchboard.

4.3.2.2 LV Main Switchboard


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The Main LV Switchboards (Form 3) will be provided and located in the Electrical LV

Switchroom within the Back of House Plantroom Building to serve the hotel.

4.3.2.3 Sub-boards and Distribution Boards

Sub-boards and distribution boards will be provided for mechanical equipment e.g.

mechanical ventilation fans, fire equipment, domestic water pump, water feature

equipment, lift equipment etc.

Distribution boards will be provided for BOH /FOH lighting and power distribution,

common lobbies and staircase, landscape lighting etc.

Isolators will be provided in the retail outlets. Sub-meters for retail will be located

centralised at the Metering Room.

Individual distribution board will be provided in each of the hotel suites and electrical

sub-meter in the electrical riser.

4.3.2.4 Standby Power Supply

The generator sets will operate as standby power in the event of an electrical power

failure or power interruption. The generators set will come into action and generator

supply will be made available via an automatic transfer switch in the main LV

switchboard.

Two 750kVa LV generators will be used to provide 100% standby power supply to the

resort.

The following electrical loads are considered emergency loads and fire resistant cable

will be used to ensure emergency load supply is maintain under fire conditions.

Fire fighting system and detection system Domestic water/drainage pumps and sewage pumps Security systemA UPS backup will be provided for the security system and telecommunications

system. The UPS system will be provided by the computer specialist under the hotel

operator. PBX equipment, computer, POS, etc. will be designed and provided by hotel

operators IT Specialist.

4.3.2.5 Cables

The following cabling types will be used for the power distribution system:

XLPE/PVC cables on cable ladders/trays for main feeders and sub-main feeders oflarger rating

PVC/SWA/PVC direct buried cables for main feeders and sub-main feeders oflarger rating

PVC/PVC cables on cable tray for sub-main feeders PVC cable in trunking/conduits for final circuits Fire resistant cables for equipment related to fire protection


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4.3.2.6 Method of Wiring

PVC / PVC cable will be used for all final circuit wiring in conduit/trunking

Concealed Heavy Duty PVC conduit will be used for wiring in all areas except in

risers, plant rooms, car park and above false ceiling whereby surfaced mounted G.I.

conduit will be used

Heavy duty PVC conduit will be provided for extra low voltage wiring eg. Telephone

cable, data cable, SCV cable and security co-axial cable etc. Armoured cable will be

used for external landscape lighting power

4.3.2.7 Typical Electrical Provision for Guestrooms

Lighting (to be confirmed by Specialist Lighting Consultant)The lighting for the guestroom and the attached bathroom will be served by a

single power supply feeding a smart relay control module and protected by and

individual MCB. Switch controls will be provided at the bedside, seat area and

the room entrance.

A light fitting will be provided in the wardrobe complete with microswitch.

The type of light fittings to be provided for the guestroom and bathroom will bedecided by the Interior Designers / Lighting Consultants specification.

Power Outlets (to be confirmed by Hospitality Consultant)Switched socket outlets will be provided for the TV set, minibar unit, table lamps

and other general purposes.

One universal type switched socket outlet will be provided by the writing desk.

A dual voltage shaver unit will be provided in the bathroom.

A hair dryer will be wall mounted in each guest room bathroom

Telephone Points (to be confirmed by IT Specialist)Three telephone points linked either by RJ11 (for normal PABX connected

telephones) or RJ45 (for VOIP telephony) cables will be provided to each

guestroom. ie. one telephone extension point will be provided near the bedside in

each room, one point will be provided on the writing desk and another point will

be provided in the bathroom.

Additional lines will be provided as deemed necessary.

Data/Computer Points (to be confirmed by IT Specialist)


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Two single outlets linked by RJ45 cables will be provided near the writing desk

for computer/fax connection.

TV OutletVideo/TV outlets will be provided in the bedroom as well as the living room in the

case of suite-type of guestrooms.

Another video/TV outlet will also be provided in the bathroom for penthouses.

Power for FCUPower supply circuit for the FCU will be taken directly from the room distribution

board and protected by an individual MCB.

Energy Saving Key-tag Controller

The final location of all lighting points, socket outlets, controls etc. will be determined

by the furniture layout of the room as confirmed by the interior design

Electrical items not connected to master switches:

Refrigerator Night light Guest room lobby downlight Universal socket outlet Fan coil unit controls

4.3.3 Lighting System

4.3.3.1 Lighting/Lighting Control(To be confirmed by Specialist Lighting Consultant and Landscape Designer)

Generally, the use of artificial lighting will be divided broadly into five sections:

General lighting for public areas such as staircases, corridors, plantrooms, staffcirculation areas and BOH will be provided with fluorescent luminaires.

Lighting for garden, landscape, building facade, lift lobbies, function rooms,restaurants, etc. will take into consideration both functional and aesthetic aspects.

These special light fixtures will be under the scope of a specialist lighting

consultant. However, wiring to the lighting points will be provided.

Provision of General Lighting in Office areasHigh efficiency fluorescent luminaires utilising double parabolic reflectors will be

used for office areas. This type of luminaire is energy efficient, has a low glare

index and can fit with modular ceiling patterns.

Provision of lighting in Guestrooms


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For back of house areas all fluorescent luminaires will be equipped with

conventional low loss ballast. Dimmable electronic ballast will not be provided.

4.3.3.2 Lighting Provision

Location Requirement

Guest rooms - As per interior design requirement

Other M&E Services Rooms,-

-

Fluorescent lights c/w metal reflector

Individual lighting switch

Riser ducts / Room etc.,-

-

Bare tube batten type fluorescent fitting

Individual lighting switching

FCC/Engineering Office- Recessed fluorescent lights comply to CIBSE LG7:2005

- Individual lighting switch

Administration/Offices- Recessed fluorescent lights comply to CIBSE LG7:2005

- Lighting switches to match architectural finishes

Pantries

- Compact fluorescent down lights of aestheticallypleasing type to Architect acceptance

- Lighting switches to match architects finishes

Toilets

- Decorative compact fluorescent down lights of the

aesthetically pleasing type or per architects/lighting

consultants selection- To be controlled Time Managed Relay

Lift Lobbies

- Decorative lighting of the aesthetically pleasing type orper architect/lighting consultants selection.

- To be controlled by Time Managed Relay

Building Exterior

- Buildings exterior feature lighting to architect/lightingconsultants selection


Staircase- Surface mounted fluorescent tube c/w clear diffuser


Fluorescent lamps to colour temperature 4000 K with colour rendering index of 85.

4.3.3.3 Emergency Lighting and Exit Signs

Emergency lights and exit signs will be self contained and will serve all areas/rooms to

comply with the specified codes.

Three hour self-contained battery packs will be provided for exit lights, emergency

lights and these will be incorporated into the lighting design (i.e dedicated separate

circuits) for staircases, lift lobbies, corridors etc, to comply with the specified codes.


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One non-maintained type of emergency lighting complete with three hour self-

contained battery packs will be provided at the guestroom foyer.

4.3.4 Metering Arrangements

The electrical supply will be metered at the PLN intake point. LV sub meters will be provided for

the main switchboard and different functional areas and tenanted areas. Sub meter and distribution

boards will be provided inside the associated riser cupboard.

4.3.5 Lightning Protection

The lightning protection system will be designed in according with local Indonesian standards.

Non-radioactive probe will be either pole mounted or be projected on top of building withinsulated down conductor enclosure in separate riser duct. Down conductor will be connected to

earthing pits with earth electrode and/or earthing mat.

Dynaspere Type Lightning Protection system will be introduced. The high of the mask depends on

the area of coverage.

For information, dynaspere type lightning protection system is common practice locally.

4.3.6 Earthing and Equipotential Bonding System

The following earthing systems will be provided:

Electrical earthing for the LV System installation Electrical earthing including LV switchboards, transformers and general electrical installation Building Telecommunication earthing Provision for Tenant dedicated earth requirement includes 2 individual earthing systems each

of 1 ohm with earth termination at basement

Separate clean earthing for computer installation of 1 ohm with earth termination at basement.The earthing system will adopt a resistivity value not exceeding 1.0 ohm. All metalwork

associated with the electrical installation will be bonded together and will be solidly and

effectively earthed. Main and supplementary bonding conductors will also be provided for

connection to the extraneous conductive parts such as water pipes, gas pipes, ducting and exposed

metallic parts of the building.

4.3.7 Power Outlets

The following table shows specific power point requirements:


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Location Requirement

Front of house areas

- Single 13A switched socket outlet along perimeter at 30mspacing.

Aesthetically pleasing socket outlets and switches flush mountedtype to match the wall finishes.

Mechanical Plant Rooms LiftMotor Room

-

13A switched socket outlet for general purpose and maintenance.

Metal clad type.

Electrical Switchrooms

-

13A switched socket outlets and 1 no. 30A single-phase isolatorper room for general purpose and maintenance.

- Metal clad type.

Transformer Rooms

- 1 no. 13A switched socket outlet and 1 no. 60A TPN isolator perroom for general purpose and maintenance.

- Metal clad type.

AHU Rooms / Electrical Closets /Electrical Risers / Other ServicesRooms/ ELV Risers

- 1 no. 13A switched socket outlet per room / floor. Those in the

electrical risers and plant rooms will be on the back-up generatorsupply

- Metal clad type.

TTeelleepphhoonneeRRiisseerr - 1 no. twin 13A switched socket outlet per floor

Telephone MDF Room - 1 no. twin 13A switched socket outlet

Security/BMS room- 4 no. twin 13A switched socket outlets in addition to specific

equipment requirements

General Area / Lobby / Corridor /Foyer

- Single 13A switched socket outlet along perimeter for generalpurpose and maintenance every 30m.

- Aesthetically pleasing flush mounted type to match the wall

finishes.

Main Lobby

- Single 13A switched socket outlet along perimeter at 30m

spacing.

- In addition, 5-nos. twin 13A switched socket outlet at receptioncounter.

- Aesthetically pleasing switches flush mounted type to match thewall finishes.

Landscaped Areas

- Single 30A switched socket outlet along perimeter at 30m

spacing.- Aesthetically pleasing, weatherproof and flush mounted type to

match surrounding.

Other Areas - to suit

4.3.8 Communication Systems

4.3.8.1 Telecommunications Infrastructure


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A state-of-the-art telecommunication infrastructure will be provided to meet the

functional requirements of the operator and to facilitate efficient and effective

management of all related areas.

The cabling infrastructure backbone will be installed as a structured cabling solution,

utilizing Cat 6 UTP and multimode fibre optic cabling systems. The system will be

installed as a physical star topology and provide both telephone and data/internet

services.

A Telecom provider MDF (Main Distribution Frame) room will be established as an

incoming and distribution point for main telecommunications cabling in the Back of

House Plant Building.

The PBX Room is located in the ELV room and will house the PBX equipment, patch

panels, local UPS and secondary MDF. This room will serve as the distribution pointfor telecommunications services to all other buildings on the site.

The main buildings will be serviced via outgoing fibre optic cables which will be laid

in ducts direct buried to serve each building as required. Each buildings will be

provided with its own equipment room to house and distribute telecommunications

services.

This approach to cabling/backbone infrastructure to be agreed by the project manager

and IT specialist.

4.3.8.2 Internet Services(To be confirmed by IT Specialist)

Internet Access - Cabled

All Guest Rooms, Penthouses, Offices, Business Centre and Meeting Rooms are to be

provisioned for cabled Internet access.

Internet Access Wireless

All Guest Rooms, Penthouses, Meeting Rooms, and Public Spaces are to have available

a Wireless Internet Signal. This is to be part of a Converged Wireless solution.

Provision for the Wireless Access Points to support the solution will be made initiallywithin the design.

Internet Management

Internet Management for both Wireless Internet and Cabled Internet is to be provided

for via approved Internet Management system.

4.3.8.3 Satellite Master Aerial Television System (SMATV)

A satellite master antenna television system capable of receiving and distributing FM,VHF, UHF and satellite band channels will be provided throughout the building and

which will include the following main components:


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Satellite Dishes mounted on the roof or at ground level (location to be determined) Distribution Amplifiers Coaxial distribution cabling reticulated throughout the main resort reticulation

routes.

Satellite television facility will be provided to the hotel boutique, all day dining area,

guest rooms, suites and penthouses.

Radio signals and Background Music will be able to be broadcast through the TV

Radio Channel

4.3.8.4 Public Address (PA)/Emergency Voice Communication (EVC)/Background Music(BM) Systems

The complete system consists of speakers, power amplifiers, input sources e.g.microphone, tuner, cassette deck, compact disc and zone selection relay and control

units located in the hotel operators room.

For the hotel the following areas will be covered:

PA EVC BGM Speaker Types

Guest rooms Ceiling recessed

Corridors Ceiling recessed

Entrance, Lift Lobbies Ceiling recessed type

Lift Car Ceiling recessed type

Public Corridors Ceiling recessed type

Security room Ceiling recessed type

Retail shops EVC interface terminal

Plant rooms Surface box type

Staircases Surface box type

In the event of fire or emergency, the PA/BGM system will be overridden by an

emergency switch in the FCC operator console.

Emergency (EVC) announcements will be broadcast from the FCC (Fire command

centre for the development), unless the FCC has delegated control of EVC functions to

the hotel security room.

Emergency (EVC) announcements will be broadcast to all areas (either as a common

announcement or according to the zoning and staging of any evacuation based on the

management fire strategy for the development).

In the guestrooms, one speaker for emergency announcement will be provided in the

guestroom foyer. One speaker with volume control will also be provided in the

bathroom and connected to the television.


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All background music sources will be multiplexed into the CATV System and

distributed by coaxial cables to all TV outlets. The guestroom television set will be

able to receive TV and music channels.

The background music system will serve most areas including hotel lobby, passenger

lift cars, hotel swimming pool deck area as well as hotel retail area.

For the lounge, restaurant, meeting rooms and hotel function rooms, individual audio

systems will be provided on top of the base EVC speaker, however common music

source will be made available to the individual audio system through an EVC override

interface terminal.

4.3.8.5 Radio Paging system

A radio paging facility is available through the DECT system (if this type of system isadopted).

4.3.8.6 Two Way Radio System

A talk-through repeater mode Walkie-Talkie System will be designed to provide a

two-way communication between the operator, walkie-talkie handset holder or two

walkie-talkie handset holders directly without intervention of the operator. Sufficient

indoor and outdoor antennae will be installed to ensure full coverage on the entire

development. i.e. public areas, back of the house areas, carpark areas, plantrooms, etc.

So that maintenance and security personnel may perform their duties more effectively

by using the system for communication.

A system control console will be installed in the Security Room and a number of

portable transceivers (walkie-talkie handsets) will be distributed to relevant staff. Rapid

chargers will also be provided for recharging of the portable transceivers batteries after

detachment.

4.3.8.7 Intercom System

An Intercom System will be designed for the use of the guest accommodation in-house

staff. It can provide a cheaper and more reliable second line of voice communication.

Two standalone intercom Systems will be provided. One system will be used for the

kitchen / room service to provide a two way communication between the Chefs office,

Main Kitchen, Restaurant Kitchen, mid-way service house at the accommodation

blocks etc. The other System will be used for Fire Service / Maintenance personnel to

provide a two-way communication between Fire Service Pump Room, Engineering

Room, Machine Room, etc.

An intercom station can initiate a call to any other stations within the same group by

keying in the corresponding station number.

The two ways hands-free sets will be of wall mounted or desk top push button type.


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4.3.9 Building Management Systems

A comprehensive and effective building management system (BMS) will be provided for the

Hotel.

The computerised BMS will provide various control functions for the air conditioning systems and

other building services. It will also provide on / off control and monitoring of the operation and

status of the building services installations, including ACMV, electrical, plumbing and sanitary

drainage system. The BMS shall also be interfaced with the fire alarm system to enhance the safety

management of the hotel.

The BMS main station will be located in the FCC/engineering office and operators terminals will

be provided at the Security Room with respective display designated to the particular functions of

the respective terminals.

4.3.10 Security systems(To be confirmed by Hotel Operator)

4.3.10.1 Intruder Alarm System

The System will in general consist of the following devices:

Magnetic Door ContactsAll strategic doors will be provided with magnetic door contacts to detect

unauthorized passage and generate alarm signals should they be tripped. Access /Secure time programming feature will be incorporated to enhance flexibility in

security control.

Presence DetectorsAll rooms requiring intruder alarm protection will be fitted with presence

detection to detect activity during unoccupied times. These will form a second line

of detection after the door contacts fitted to perimeter entry points.

Panic Alarm ButtonPanic Alarm Button will be installed unobtrusively in manager offices, front

office, cashier areas and any other areas where required.

When an alarm is initiated, the entre processing logic will follow the sequence as

stated below:

- Alarm at a particular point is triggered in the field- The alarm signal will be transmitted to the nearest Security Control Panel- The signal will in turn be sent to the Security System Central Processing Unit

located in the Security Room

- The work-station in the Security Room will display the alarm status, togetherwith the generation of an audible alarm to alert the security operator

- CCTV camera in the respective areas will be triggered to start video recording- Alarm acknowledgement will be required to silence the alarm signal


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- The system will return to normal status after reset of the alarm/trouble signalin the Security Room

- Hard copy will be printed onto a printer in the Security Room to indicate eachchange-of-state

4.3.10.2 Patrol Tour System

Patrol points off-line monitoring in the form of magnetic strips or code bars will be

provided at strategic locations throughout the hotel to ensure close and constant

surveillance by the security personnel in sequence.

The Patrol Points will have no hard wiring back to the control room. Software

programmes will be provided to generate a patrolling path and check whether the patrol

points are reported within the predetermine intervals in the correct sequence, uponcompletion of each patrol path.

Each of the patrol points will be fitted with an isolated passive magnetic strip or code

bar without wire connection back to the Main Command Centre.

The security personnel will have a hand held unit which will register with the patrol

tour checkpoints tracking the progress of the patrol path. Upon completion of the patrol

path, the information and data recorded in the hand held unit will be downloaded to the

Central Processing Unit in the Security Control Room.

Out of sequence, late and early reporting and alarms will be generated to indicate any

abnormal operation.

4.3.10.3 IP Closed Circuit Television System

IP CCTV cameras will be placed unobtrusively in the resort lobbies, main entrance,

corridors, front office, cashier, function areas, carpark, loading dock, driveway, safe

deposit room and strategic areas where local surveillance is required.

Fixed and pan/tilt/zoom types of camera will be installed in the respective areas.

The fixed type cameras will be fitted in locations that coordinate with the IntruderAlarm System. One fixed type camera will correspond to one intruder alarm zone.

The pan/tilt/zoom type cameras will be fitted with a zoom lens. The cameras will beoperated automatically and manually by the security personnel to monitor an exact

location where particular attention is required.

During normal operation, strategic areas will be monitored by automatic scanning ofthe cameras. When an alarm is detected from the intruder alarm sensing device, the

security system central processing unit will trigger CCTV system which will in turn

send the signal to the cameras in the affected areas accordingly. The cameras, upon

receipt of the signal, will automatically turn to the pre-determined positioned and

zoom angle with the pictures of the cameras displayed onto the dedicated monitorand recorded in the dedicated video CD recorder until manual reset of the System by

the operator.


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4.3.10.4 Door Access System

The Door Access System will be provided for offices, guest accommodation and other

strategic areas. Hotel staff will only gain entry to these areas with the use of authorised

cards/keys.

The System will identify different levels of access covering guest, maid, housekeeper,

valet room-service, one-off entries for repairs and emergency, etc. Locks will be

hardwired back to the system computer. All entries will be recorded and stored by the

lock set itself. Each access will be recorded on the System Computer.

The lockset will be operated by dry battery with the capacity of 6000 accesses.

Indication lights will be lit at the last 500 accesses.

Under the circumstances of attempt being made to use an invalid card/key or to force an

entry, an alarm signal will be displayed on the System Computer.


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5.0 SANITARY AND PLUMBING SERVICES

5.1 GENERAL

This section covers the scope and system description provided for Sanitary, Plumbing, Gas and

Swimming Pool Systems.

5.2 SCOPE OF WORK

5.2.1 Sanitary System

Sanitary System will be provided for all guestroom, toilets, etc.

5.2.2 Plumbing System

Plumbing System will be provided for all guestroom, toilets, irrigation system, etc.

5.2.3 Gas System

Gas pipe will be provided to each kitchen area.

5.3 WATER CONSUMPTION AND AREAS OF POTENTIAL SAVINGS

The PDAM water consumption reducing systems that are reviewed include:

Air cooled chillers in lieu of water cooled chillers Sewage treatment plant for recycled water Use of well water as backup or as main source if there is no existing PDAM near the projectA water usage diagram is included in Appendix 1 and indicates how PDAM water and recycled

water can be utilised.

5.3.1 Water Sources

There are three sources of water that may be considered for use:

1. PDAM water supply authority2. Recycled water3. Well water


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The following table lists some of the issues related to the water sources:

Water

Source Tariff Availability Comments

PDAM Waiting final checking for PDAMavailability.

Recycled

Water

No tariff Available throughout the year with somefluctuation in proportion to the hoteloccupancy levels

This is a recognisedenvironmentally sustainableapproach to water management.

The Environmental ImpactAssessment Report proposes thatrecycling of water is adopted forthis project

Well Water No tariff (?) Subject to confirmation by a local wellcontractor or by pilot well. It is likely

that ground water would be availablethroughout the year

It is not clear if a tariff may beapplied by the authority with

jurisdiction

The quality of the water would needto be confirmed

The rate of water extraction and thedistance between wells may besubject to limits

5.3.2 Sewage Treatment Plant (STP) and Recycled Water

The use of an STP would offer benefits:

The discharge water from the STP can be recycled for use within the development and therefore

realise savings in the PDAM or well water consumption and will be used for irrigation.

The potential savings on utility costs is very favourable to the use of an STP with recycled water

and an STP is proposed for this project.

There are a number of alternative STP systems that could be adopted including:

Extended Aeration Membrane Bioreactor Rotating Biological Contactor Fibre Capsule Package Tank Anerobic Baffled ReactorThere are pros and cons for each type of system. The Meinhardt preferred option would be the use

of the Fibre Capsule Package Tank.

This system requires a minimum of maintenance and can be buried below ground (for example,

under a car park area or under landscape area) with limited civil engineering work.

The client has expressed their preferred option is to use an Anerobic Baffled Reactor (ABR)

system due to their existing and working knowledge of the ABR system. To this end we have

adopted the ABR system into our designs.


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5.3.3 Well Water

To determine whether the use of well water would be viable, the following would need to be

understood:

The quality of the water would need to be confirmed to provide exact water treatment Is a suitable aquifer available within the site Quality of well water Any limits on well water extraction rate If two or more wells are provided, is there a minimum distance between wells Is a tariff/charge applied to the extraction of well waterExperience in Jakarta shows that, for deep wells, the water extraction rate is limited to

approximately 200 Ltr/min.

The sinking of deep wells in Jakarta is now positively discouraged due to invasion of brackish/sea

water and general lowering of ground levels.

5.4 SYSTEM DESCRIPTION

5.4.1 Water Sources

Domestic cold water system will be provided for the whole development. The main water source

will be direct from the PDAM city water main and well water as an alternative source or as back

up.

Other proposed water sources include recycled water from the STP.

City water will supply to the main pump room at the Back of House Block. A bulk water meter

will be provided before the city water supply to the raw water tank.

5.4.2 Water distribution and storage

The estimated design daily water consumption for the Resort can be summarised:

No. Area/Category

Design

Consumption

(m3/day)

1 Domestic (shower/washing etc.) 104

2 F&B - Kitchens 21.2

3 Laundry 33.6

4 Spa 15

5 Irrigation 50

6 Swimming Pools / Ponds 46

7 Car Wash 0.45

8 Spare 5

All hotel guest rooms, Back of House, F&B outlets and General Areas, will be provided with

storage supply and booster pump system to maintain the water pressure.


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Subject to use of recycled water and other planning issues, it is proposed that the provision size

and location of the water storage tanks are as follows:

System Water Tank Capacity Location

CWSRaw Water and

Clean Water

463 m3(one day storage at

235 m3per day plus 228 m

3

fire water)Below BOH

Recycled Water(from STP)

Recycled Water 115 m3(one day storage) * Garden floor

Due to the increased size of the site through further land purchases the extent of irrigation and tank size is yetto be finalized.

5.4.3 Cold Water Supply System

City main water will be treated by centralized water treatment plant before entering the treated

water storage tank. The water treatment plant will consist of sand filters, carbon filters and

chlorination.

Potable water will be provided to through use of a packaged reverse osmosis system installed in

the main pump room.

The distribution system will be completed with pneumatic booster pumps to maintain the pressure

where static water head is inadequate for the fixture operation.

Water will be distributed to the laundry by booster pumps. Water softener will be included by

Laundry Specialist Contractor.

5.4.4 Hot Water Supply System

Centralized hot water system will be provided for the hotel hot water service, kitchens and the

laundry at 60C.

A secondary hot water backup system will be provided in the form of a heat recovery system from

the main air conditioning chiller plant.

Hot water boilers and storage calorifiers will be provided to generate hot water.

A minimum and maximum hydrostatic pressure of 2 bar and 4 bar respectively will be maintained

at all drawn-off points.

Duplicate hot water recirculating pumps will be installed for each group of calorifiers to ensure

full circulation within the piping reticulation system.

Pressure relief safety valve will be provided for all calorifiers.

In order to keep a balance of cold and hot water pressures, especially for the mixing valve, the cold

water feed to the hot water calorifier will be taken from the same storage water tank supplying coldwater to the fixtures in the same zone (not applicable for kitchen and laundry)


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Sub-metering will be provided for restaurant/caf/shops and laundry etc. if necessary and these

will be located outside the associated area for easy access/maintenance.

5.4.5 Sanitary System

The proposed system will be a fully vented one pipe system (combined soil and waste stack). The

system is simple, requires less space and yet has adequate ventilation.

All the soil and waste stacks will be terminated at the roof with vent cowls.

Soil and waste pipes from the individual buildings/riser stacks will be discharged by gravity flow

to STP.

All discharge from the kitchens will be drained to grease interceptors before entering the sewage

piping services.

The retention time of grease interceptors will be in the range of 10 to 15 minutes.

The discharge from the laundry will be collected via sumps and channels to slow down the quick

discharge from the washing machines before being drained to the central sewage pipe system. The

laundry discharge will also be treated before it enters the sewage system.

5.4.6 Sewage Treatment Plant (STP)

5.4.6.1 STP Types

Conventional sewage treatment may involve a three stage process:

1. Primary treatment: Sewage is discharged to a holding tank where heavy solids cansettle and oil, grease and lighter solids float to the surface. The settled and floating

materials are removed and the remaining liquid taken to the next stage

2. Secondary treatment: Dissolved and suspended biological matter is removed. Thisprocess is typically by use of micro-organisms

3. Tertiary treatment: Can include further filtration via sand and carbon filters anddisinfection using, for example, chlorine

There are many different types of STP available in the market. All generally follow the

primary, secondary and tertiary treatment process noted above, but differ in detail in the

particular approach to each treatment stage.

The STP types generally commercially available for this type of resort hotel project

include:

Extended Aeration Membrane Bioreactor Rotating Biological Contactor (RBC)

Fibre Capsule Package Tank


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5.4.6.2 STP System Criteria

Capacity

A preliminary estimate of the total daily cold water demand including guests and staff,

kitchen/restaurant, spa and laundry water usage is approximately 174 m3. This value is

excluding water needed for irrigation.

The capacity of the STP is based on 80% of the estimated total daily water usage ie

approximately 140 m3per day.

Influent and Effluent Quality

For the purpose of design the following criteria for biological oxygen demand (BOD),

chemical oxygen demand (COD) and suspended solids (SS) will be adopted:

Influent qualityBOD : 300 mg/l

COD : 500 mg/l

SS : 300 mg/l

Effluent qualityBOD : 20 mg/l

COD : 40

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