qclng-bx00-ele-spe-300014_00

QGC

QCLNG Project Phase II

Technical Specification for Electrical Equipment in Packaged Plant

Worley Parsons document Number: 401001-00771-04-EL-SPC-0014

QGC document Number: QCLNG-BX00-ELE-SPE-300014

18 June 2014

QCLNG Phase I scope shall continue to be executed against Revision A of this document. For any

work undertaken in Phase I (scope sanctioned prior to January 2014) refer to Revision A unless

otherwise expressly requested by QGC.

Hydrocarbons Level 3, 60 Albert Street Brisbane QLD 4000 Australia Telephone: +61 7 3239 7400 Facsimile: +61 7 3221 7791 www.worleyparsons.com ABN 61 001 279 812

© Copyright 2014 WorleyParsons

molocznykc

WP 110381 23 P

QCLNG PROJECT PHASE II

TECHNICAL SPECIFICATION FOR ELECTRICAL EQUIPMENT IN PACKAGED PLANT

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CONTENTS

1 INTRODUCTION ................................................................................................................ 1

1.1 Scope of Supply .................................................................................................................. 1

1.2 Definitions ........................................................................................................................... 1

1.3 Acronyms and Abbreviations .............................................................................................. 1

1.4 Referenced and Associated Documents ............................................................................ 3

2 STANDARDS, CODES AND REGULATIONS ................................................................... 5

2.1 Standards ............................................................................................................................ 5

2.2 Local Regulations and Statutory Requirements ................................................................. 7

2.3 Units and Language ............................................................................................................ 7

2.4 Sub-Suppliers ..................................................................................................................... 7

2.5 Supplier Exceptions ............................................................................................................ 8

2.6 Order of Precedence .......................................................................................................... 8

3 GENERAL REQUIREMENTS ............................................................................................. 9

3.1 Operation and Design Life .................................................................................................. 9

3.2 Location and Environmental Conditions ............................................................................. 9

3.3 Utility Data ........................................................................................................................... 9

3.4 Materials ........................................................................................................................... 10

3.5 Company Interfaces .......................................................................................................... 11

4 TECHNICAL REQUIREMENTS ....................................................................................... 12

4.1 AC Control Supply ............................................................................................................ 12

4.2 DC Power Supplies ........................................................................................................... 12

4.3 Enclosures ........................................................................................................................ 13

4.3.1 Junction Boxes ..................................................................................................... 13

4.4 Motors ............................................................................................................................... 14

4.5 Switchgear ........................................................................................................................ 14

4.6 Cable Selection ................................................................................................................. 15

4.7 Cable Installation .............................................................................................................. 16



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4.8 Cable Supports ................................................................................................................. 16

4.8.1 Cable Glands ....................................................................................................... 17

4.8.2 Terminals and Panel Wiring ................................................................................. 17

4.9 Indication and Control ....................................................................................................... 17

4.10 Earthing and Bonding ................................................................................................... 18

4.11 Lighting ......................................................................................................................... 19

4.12 Hazardous Areas .......................................................................................................... 20

4.12.1 Equipment ............................................................................................................ 20

4.12.2 Certification .......................................................................................................... 21

5 LABELING AND IDENTIFICATION .................................................................................. 23

5.1 Primary Nameplate ........................................................................................................... 23

5.2 Rating Plates ..................................................................................................................... 23

5.3 Danger and Warning Labels ............................................................................................. 24

5.4 Information Labels ............................................................................................................ 24

6 PACKAGING, HANDLING AND SHIPPING ..................................................................... 25

7 INSPECTION AND TESTING ........................................................................................... 26

7.1 Routine Test and Factory Acceptance Test ..................................................................... 26

7.2 On Site Testing and Commissioning ................................................................................ 27

8 SPARE PARTS AND SPECIAL TOOLS .......................................................................... 28

8.1 Spares ............................................................................................................................... 28

8.2 Special Tools .................................................................................................................... 28

9 DOCUMENTATION .......................................................................................................... 29

9.1 Shop drawings .................................................................................................................. 29

9.2 Operations and Maintenance Manuals, Test Documents and “As Built” Drawings .......... 29

10 CHANGE RECORD .......................................................................................................... 30



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1 INTRODUCTION

This specification defines the minimum requirement for the design, materials, fabrication, inspection,

testing, painting, documentation and preparation for shipment for all Electrical Equipment and

Electrical Systems as a component of an Equipment Package to be installed as part of the QCLNG

Project Phase II.

1.1 Scope of Supply

The scope of supply is to design, construct, test and transport to site Electrical Equipment as part of

Packaged Plant in compliance with this Specification.

The Supplier shall furnish all components and ancillary equipment necessary for the complete and

operating Electrical Equipment as part of Packaged Plant. The scope of supply shall include, but not

be limited to the following:

a) Design drawings and data including Wiring Diagrams, Termination Diagrams, Bill of Materials,

Protection Curves and General Arrangement Drawings.

b) “As Built” drawings.

c) Operation, installation, maintenance and commissioning manuals.

1.2 Definitions

In this document, the following definitions apply:

Project Data Sheets Governing technical documents for the specific item(s) for purchase

Project Drawings Reference drawings for the specific item(s) for purchase

Company QGC or QGC’s nominated authority

Supplier Supplier of equipment, including Sub-Supplier(s) appointed by the Supplier

to carry out part or all the work

Contract The agreement between the Company and the Supplier to which this

specification pertains.

1.3 Acronyms and Abbreviations

Table 1-1 contains a list of acronyms and abbreviations used in this specification.

Table 1-1 – Acronyms and Abbreviations

Term Description

AC Alternating Current




Term Description

BG BG Group

CT Current Transformer

DB Distribution Board

DC Direct Current

DOL Direct on Line

ELV Extra Low Voltage

FCS Field Compression Station

EPC Engineering Procurement and Construction

EPR Ethylene Propylene Rubber

Ex’d’ Explosion Protection Technique – Flameproof Enclosure

Ex’e’ Explosion Protection Technique – Increased Safety

GRP Glass Reinforced Polyester

GSWB Galvanised Steel Wire Braid

HSE Health Safety and Environmental

HV High Voltage

ICSS Integrated Control and Safety System

IEC International Electro-technical Commission

IED Intelligent Electronic Device

IMO International Maritime Organisation

I/O Input / Output

IP Ingress Protection

ITP Inspection and Test Plan

LCS Local Control Station

LV Low Voltage

OMM Operation and Maintenance Manual

PLC Programmable Logic Controller




Term Description

PTC Positive Temperature Coefficient

QA Quality Assurance

QCLNG Queensland Curtis Liquefied Natural Gas

QGC Queensland Gas Company

SDRL Supplier Data Requirements List

SIS Safety Instrumented System

UPS Uninterruptible Power Supply

TEFC Totally Enclosed Fan Cooled

VT Voltage Transformer

VSD Variable Speed Drive

1.4 Referenced and Associated Documents

Table 1-2 contains a list of documents referred to in this specification.

Table 1-2 – Referenced Documents

QGC Document Number Title / Description

QCLNG-BX00-DDC-PCE-000005 Procedure for Document and Revision Numbering

QCLNG-BX00-ENG-PCE-000001 Plant and Equipment Tag Numbering

QCLNG-BX00-ENG-SPE-300000 Specification for Site Conditions and Utilities

QCLNG-BX00-ELE-SPE-300004 Technical Specification for High Voltage Switchgear

QCLNG-BX00-ELE-SPE-300005 Technical Specification for DC Power Supply System

QCLNG-BX00-ELE-SPE-300006 Technical Specification For Low Voltage Distribution Board

QCLNG-BX00-ELE-SPE-300007 Technical Specification for 400V/690V Motor Control Centres

QCLNG-BX00-ELE-SPE-300009 Technical Specification For Low Voltage Induction Motors

QCLNG-BX00-ELE-SPE-300010 Technical Specification For High Voltage Motors

QCLNG-BX00-ELE-SPE-300020 Technical Specification For Electrical Cables (Power, Control

And Earthing)




QGC Document Number Title / Description

QCLNG-BX00-ELE-SPE-300021 General Requirements for Installation of Electrical Equipment in

Hazardous Areas

QCLNG-BX00-ELE-SPE-300023 Technical Specification For Electrical Panel Wiring, Indicators

And Actuators

QCLNG-BX00-ELE-SPE-300024 General Requirements For Installation Of Electrical Equipment

In Hazardous Areas

QCLNG-BX00-CNI-SPE-300003 Packaged Instrument Equipment Specification

QCLNG-BX00-MAT-SPE-300000 Protective Coatings Technical Specification

QCLNG-BX00-ELE-LST-300003 Preferred Electrical and Control Equipment List




2 STANDARDS, CODES AND REGULATIONS

The Supplier shall provide the Contract Equipment together with all services, goods and materials

necessary to meet the prevailing statutory requirements of the designated place of operation, being

the Surat Basin, Queensland, unless otherwise specified on the Project Datasheets.

All equipment supplied shall conform to the most recent requirements, rules and regulations of the

relevant Local, State and/or Commonwealth Government Agencies and Statutory Authorities having

jurisdiction over the gas field developments.

2.1 Standards

The equipment shall be designed, manufactured and tested in accordance with the latest edition of all

relevant Australian and International Standards, Codes and Regulations except where modified by

this specification.

Table 2-1 contains a list of Australian Standards referred to in this specification.

Table 2-1 – Australian Standards (AS)

Australian Standards

AS/ISO 1000 The international system of units (SI) and its application

AS 1101 Graphical symbols for general engineering

AS/NZS 1102 Graphical symbols for Electrotechnical documentation

AS 1319 Safety Signs for the occupational environment

AS 1359 Rotating electrical machines

AS 1680 Interior Lighting

AS 1768 Lightning Protection

AS/NZS 1939 Degrees of protection provided by enclosures for electrical

equipment (IP Code)

AS 2053 Conduits and fittings for electrical installations

AS 2184 Low voltage switchgear and controlgear - Moulded-case circuit-

breakers for rated voltages up to and including 600Va.c. and 250Vd.c.

AS 2380 Electrical equipment for explosive atmospheres - Explosion-

protection techniques - General requirements

AS/NZS 3000 Wiring Rules




Australian Standards

AS/NZS 3008.1 Electric Installations – Selection of Cables

AS 3439 Low voltage switchgear and controlgear assemblies

AS/NZS 3947 Low-voltage switchgear and control gear

AS/NZS 4024 Safety of machinery

AS/NZS 4761 Competencies for working with electrical equipment for hazardous

areas (EEHA)

AS/NZS 5000.1 Electric cables - Polymeric insulated - For working voltages up to

and including 0.6/1 kV

AS 60038 Standard Voltages

AS 60044 Instrument Transformers

AS/NZS 60079 Explosive Atmospheres

AS 60146 Semiconductor converters

AS 60269 Low-voltage fuses

AS 60529 Degrees of Protection Provided by Enclosures (IP Code)

AS 60598 Luminaires

AS 60947 Low-voltage switchgear and control gear

AS 61000 Electromagnetic compatibility (EMC)

AS 61508 Functional safety of electrical/electronic/programmable electronic

safety-related systems

AS IEC 61511 Functional safety - Safety instrumented systems for the process

industry sector

AS 61558 Safety of Power Transformers, Power Supplies, Reactors and

Similar Products

AS 62271 High voltage switchgear and controlgear

Table 2-2 contains a list of IEC Standards referred to in this specification.

Table 2-2 – International Electrotechnical Commission (IEC) Standards

International Electrotechnical Commission (IEC)

IEC 60051 Direct Acting Indicating Analogue Electrical Measuring Instruments

http://www.saiglobal.com/online/Script/Details.asp?DocN=AS929870415561




and Their Accessories

IEC 60073 Basic and Safety Principles for Man-Machine Interface, Marking and

Identification

IEC 60083 Plugs and socket-outlets for domestic and similar general use

standardized in member countries of IEC

2.2 Local Regulations and Statutory Requirements

The current regulations and statutory requirements of the State of Queensland, Australia, shall be

complied with, including:

a) Queensland: Electricity Act - 1994

b) Queensland: Environmental Protection Act - 1994 and Amendment Act - 1997

c) Queensland: Workplace Health and Safety Act - 1995 and Amendment Act - 1997

d) Queensland: WorkCover Queensland Act - 1996 and Amendment Act – 1999

e) Building Code of Australia

f) Petroleum and Gas Act 2004 (Production and Safety)

g) Workplace Health and Safety Act 1995

h) Workplace Health and Safety Regulations 2008

i) Electrical Safety Act 2002

j) Electrical Safety Regulations 2013

k) Environmental Protection Act 1994

l) Professional Engineers Act 2002

2.3 Units and Language

AS/ISO 1000 (metric SI system) shall be used.

All documentation and correspondence shall be in the English language.

2.4 Sub-Suppliers

The Supplier shall disclose, at the tender stage, all Sub-Contractors or Sub-Suppliers they intend to

use as part of the equipment package supply. The Supplier shall not sub-contract any work to any

party without the prior written consent of the Company. It shall remain the Supplier’s responsibility to

audit and coordinate the performance of their Sub-Contractors with results being disclosed to the

Company. All requirements applicable to the Supplier are applicable to Sub-Contractors or Sub-




Suppliers. The Company reserves the right to attend the premises or otherwise of any Sub-Contractor

or Sub-Supplier used in the engagement of the equipment package.

2.5 Supplier Exceptions

The Supplier shall be responsible to submit, together with the Tender, a list of deviations or

exceptions to this Specification. In the absence of any exceptions, it will be construed that the

Supplier fully complies with this Specification.

2.6 Order of Precedence

In the event of any conflict arising between this Specification and other documents listed herein, refer

comments to the Company for clarification before design or fabrication commences. The order of

precedence that applies is as follows:

a) The Contract / Purchase Order;

b) Project Data Sheets;

c) This Specification;

d) Project Drawings;

e) Project Specifications;

f) International Codes and Standards.




3 GENERAL REQUIREMENTS

3.1 Operation and Design Life

The equipment shall be designed for minimum life duration of 20 years in the environment and for the

duty specified herein and on the Project Data Sheets.

The equipment shall also be suitable for a minimum of 5 years normal continuous operation without

maintenance at the duty specified herein and on the Project Data Sheets.

3.2 Location and Environmental Conditions

Where electrical equipment is installed in a temperature controlled weatherproof room, the design

environmental conditions shall be as specified on the Project Data Sheets. For all other cases,

electrical equipment shall be designed for the site conditions defined in

QCLNG-BX00-ENG-SPE-300000 – Specification for Site Conditions and Utilities.

3.3 Util ity Data

The following electrical power supplies shall be made available for use by the Supplier:

Alternating Current High Voltage Systems

Service Voltage [kV] Phases Frequency

[Hz]

Neutral-Earth

Connection

Primary HV Distribution 33 5% 3 50 Impedance

Secondary HV Distribution 22/11 / 6.6 5% 3 50 Impedance

Large HV Motors 11 / 6.6 5% 3 50 Impedance or Solid

Alternating Current Low Voltage Systems

Service Voltage [V] Phases Frequency

[Hz]

Neutral-Earth

Connection

Low Voltage Distribution 400 / 690 +10% -6% 3+N 50 Solid

Emergency Generator 230 / 400 +10% -6% 3+N 50 Solid

Induction motors 400 / 690 +10% -6% 3 50 Solid

Lighting and Small Power 230 / 400 +10% -6% 3+N 50 Solid

UPS Distribution 230 +10% -6% 1+N 50 Solid

ICSS Supply 230 +10% -6% 1+N 50 Solid

Motor Heaters 230V +10% -6% 1+N 50 Solid

MCC Contactors 230V +10% -6% 1+N 50 Solid

HV Circuit Breaker charging (a.c.) 230V +10% -6% 1+N 50 Solid

Instrument Power 230V +10% -6% 1+N 50 Solid




Direct Current Low Voltage and Extra Low Voltage Systems

Service Voltage Earth Connection

UPS 110V +10% -6% Floating

UPS Distribution 24V 10% Negative

MCC Internal Controls 24V 10% Negative

Motor Controls 24V 10% Negative

Instrument Power Supplies 24V 10% Negative

HV Protection 110V 10% Floating

HV Circuit Breaker charging (d.c.) 110V 10% Floating

Digital Inputs and Outputs 24V 10% Negative

The table below illustrates the minimum fault and insulation levels for switchgear and bus bar

systems:

Service Voltage

[V]

Min. Fault Level

[kA]

Fault Duration

[s]

Basic Insulation Level

[kVp]

Primary Distribution MV 33 000 31.5 3 170

Secondary Distribution (FCS) 33 000 25 1 170

Secondary Distribution (FCS) 6 600 31.5 3 60

Secondary Distribution (Ponds) 22 000 / 6 600 16 3 125

Secondary Distribution (Well sites) 22 000 16 3 125

Low Voltage Switchboard and MCC (At major facilities)

400 / 690 63 1 3

Low Voltage Switchboard and MCC (Outside major facilities)

400 / 690 32 1 3

Lighting and Small Power DB 400 / 230 6 1 NA

Short circuit withstand capability of switchgear shall be supported by type test in accordance with

AS/NZS 3439 and AS 62271 for low voltage and high voltage systems respectively. Equipment

supplied shall be installed in accordance with the type test requirements.

The withstand capability shall be as specified in the project datasheets.

3.4 Materials

All supplied materials and equipment shall be of manufacturer, type and model as specified in the

Project Documentation. For all non-specified equipment the Preferred Electrical and Control

Equipment List (QCLNG-BX00-ELE-LST-300003) shall nominate the preferred suppliers and/or

equipment. The Supplier shall not deviate from these requirements without prior written approval from

the Company’s Representative. Where the materials are not specified the Supplier may offer standard

materials suitable for the application, environment and operating/design conditions. Non-specified

equipment shall be of the same type, grade and quality as similar items specified in the Project

Documentation. Corresponding parts of similar equipment shall where possible be interchangeable.




All materials shall be new and free of defects. Asbestos products shall not be used.

3.5 Company Interfaces

The equipment package shall be required to fall within the parameters defined in Project Drawings

supplied by the Company. These parameters may include any or all of the following:

a) Maximum overall package dimensions;

b) Piping nozzle locations (tie-in points);

c) Structural hard points / fixing locations;

d) Electrical and Instrument junction box / tie-in locations;

e) Maximum allowable weight.




4 TECHNICAL REQUIREMENTS

The electrical apparatus shall be located in such a manner as to enable the apparatus to be easily

maintained when in service. The location and installation shall also satisfy all relevant statutory and

regulatory requirements applicable at the installation site.

The Supplier shall ensure compliance with AS/NZS 3000 including the requirement that hinged panel

doors have sufficient space left within the package boundaries to be opened. Where space is

required outside the package boundaries the Supplier shall indicate the extent of clear space required

making due allowance for any specialist equipment.

Local isolation shall be provided for incoming power supplies to control panels. Isolating switches/

switch fuse units shall be provided with padlocks and shall be lockable in the 'OFF' position only. The

isolator shall be interlocked with the enclosure door or cover.

The degree of ingress protection (IP), as defined in AS 60529, of all electrical equipment shall meet or

better the following:

a) Outdoor Locations – IP56 or as specified in the project datasheets

b) Indoor Locations – IP42

The Supplier shall provide details of the package electrical requirements which include:

a) Peak and average power demand;

b) Peak and average apparent power demand;

c) AC supply voltage tolerance (if different from Section 3.3)

d) AC supply frequency tolerance (if different from Section 3.3)

The equipment shall be designed for the environmental conditions specified in QCLNG-BX00-ENG-

SPE-300000.

4.1 AC Control Supply

AC control supplies shall be derived from a single phase and neutral and shall be protected by circuit

breakers. All sub-circuit protection shall be by circuit breakers. All circuit breakers shall be lockable in

the off position.

For critical control supplies an AC UPS supply can be provided by the Company, as detailed in

Section 3.3.

4.2 DC Power Supplies

Package DC control supplies and/or battery systems shall derive their power source from one of the

utility supplies specified in Section 3.3.




The Supplier shall ensure that the equipment supplied operates without detriment to the package in

respect of output voltage variation, output voltage ripple, voltage transients, output frequency and

output harmonic distortion under maximum continuous load conditions and of the extremes of

environmental conditions specified in Section 3.2.

4.3 Enclosures

All enclosures specified for outdoor installation shall be designed to shed rainwater and prevent the

accumulation of standing water on any part of the enclosure. All joints and seals shall be designed to

totally prevent ingress of water.

Enclosures for electrical equipment located outdoors shall be constructed of powder coated sheet

steel having a minimum thickness of 2 mm. Enclosure doors over 1.2 metres in height shall have

three point latching mechanisms. Wall mounted equipment shall be provided with external fixing lugs.

Enclosure protective finish for equipment shall be Manufacturer’s standard for industrial installations.

The Suppliers paint specification shall be submitted for review and approval. It shall be the Supplier’s

responsibility to ensure that the finish applied is suitable for the environmental conditions specified.

Enclosures for small control panels, push button stations or other similar equipment may be

constructed from high impact resistance GRP or polycarbonate material, suitably strengthened to

provide a rigid structure. The enclosures shall include metal inserts or continuity strips to ensure earth

continuity via the cable armour. Wall mounted equipment shall be provided with external fixing lugs.

Enclosure doors shall be hinged, have a gasket and be pad-lockable. Gaskets shall be neoprene,

synthetic rubber or similar.

Floor standing enclosures shall be suitable for top lifting. Eyebolts, lifting frames or other suitable

means of lifting shall be provided.

Equipment shall be provided with gland plates positioned for bottom cable entry and allowing 300mm

minimum clearance to the lowest components for cable bending and termination.

Enclosure doors shall open at least 90 degrees (preferably 120 degrees). Door movement shall be

positively limited to prevent damage to wiring, equipment mounted on the door, or adjacent

apparatus.

Enclosures mounted on the skid base of package units shall be isolated from vibration.

4.3.1 Junction Boxes

On-skid junction boxes shall be provided by the Supplier. Separate junction boxes shall be provided

for low voltage control, instrumentation circuits and power circuits.

All outgoing electrical connections from the package shall be grouped and wired to a Junction Box(es)

located in an accessible position. The Supplier shall ensure adequate space is provided for routing

and connection of outgoing cables and allowing space for cable minimum bending radii.




Junction boxes shall be positioned for bottom cable entry and shall be equipped either with removable

un-drilled brass gland plates or threaded cable entries as appropriate to the standards and hazardous

area regulations. Gland plates provided for the Company's use shall be separate from those used by

the Supplier's cabling such that they may be detached and drilled on site without disconnection of

Supplier installed cabling. Where tapped entries are required they shall be tapped ISO metric.

Where the junction boxes are located inside a hazardous area, suitably certified blanking plugs shall

be installed. In all cases blanking plugs shall be installed by the Supplier to seal any spare entries.

Where GRP or polycarbonate junction boxes are provided, earth continuity shall be ensured with an

internal metal earth continuity plate.

Where metal junction boxes are provided, internal and external earth studs shall be provided.

Junction boxes shall not be installed with the cover in the horizontal plane.

4.4 Motors

Low voltage motors shall be supplied in accordance with QCLNG-BX00-ELE-SPE-300009.

High voltage motors shall be supplied in accordance with QCLNG-BX00-ELE-SPE-300010.

Motor voltage ratings shall be as specified on the project datasheets.

Generally, motors with a nominal rating up to 250kW shall be supplied from the low voltage power

system. Motors rated above 250kW shall be supplied from the high voltage system. This is

dependent on local power system configuration and the availability of required voltages.

4.5 Switchgear

All low voltage and high voltage switchgear supplied as part of the packaged equipment shall conform

to the requirements of specifications QCLNG-BX00-ELE-SPE-300007 and QCLNG-BX00-ELE-SPE-

300004 respectively.

In general, motor starters will normally be located in a non-hazardous area within the Company

supplied switchroom.

For interface requirements with the Company’s switchgear and ICSS refer to Section 4.9.

In cases where the Supplier is required to provide starters for low voltage motors, they shall in general

be DOL and contain a type 2 co-ordinated circuit breaker, contactor and overload combination. The

motor starter shall be located in a separate segregated enclosure and be suitable for the area

classification.

Motor control will normally be from the process control system and safety shutdowns and manual

stops will be hard-wired to motor starters.




Latching emergency stops shall be provided for each package where required by AS/NZS 4024.

Multiple emergency stops will be required for large machines to allow access from each side of the

machine.

If the motor starter is part of the Supplier’s standard package, the Supplier shall provide the following

additional details:

a) Switchgear Manufacturer;

b) Details of each switchgear and contactor circuit provided;

c) Details of type tests;

d) Equipment short circuit and maximum continuous ratings;

e) Installation/maintenance details and recommended spares lists;

f) Isolation and interlocking facilities provided.

Contactors shall comply with relevant standards and shall be air break, electromagnetically operated.

Unless specified in the Project Data Sheets, contactors shall be electrically held.

Busbar insulation shall be marked red, white or blue, according to phase, and black for neutral.

4.6 Cable Selection

All electrical cables supplied as part of the packaged equipment shall conform to the requirements of

specification QCLNG-BX00-ELE-SPE-300020.

All instrument cables supplied as part of the packaged equipment shall conform to the requirements

of specification QCLNG-BX00-CNI-SPE-300003.

All nominal power cable ratings will be based on:

a) ambient air temperature of 45 °C;

b) maximum soil temperature 35 °C for buried cables;

c) Design thermal resistivity shall be 1.2ºKm /W unless modified by selected fill;

d) Design depth of burial shall be 1.0m.

Derating factors will be applied as necessary to take account of installation configuration and variation

in ambient temperature, in accordance with AS/NZS 3008.1.

The minimum cross-sectional area for power cables shall be 2.5 mm².

The control and instrument multicore cables shall have 20% spare conductors.

Cable conductor size shall be determined taking into consideration the following factors:

a) Nominal cable current rating (before de-rating);




b) Cable fault capacity;

c) Permissible volt drop;

d) Cable current rating de-rating factors:

e) Installation and group de-rating;

f) Temperature de-rating;

g) Cable depth de-rating.

Refer to manufacturer recommendations for cable de-rating factors for alternating voltages above

1kV.

4.7 Cable Installation

Cables shall be identified by permanently fixed cable tags on both sides of a transit or penetration and

at both ends.

The Supplier shall be responsible for the installation, connection and mechanical protection of all

cables.

All cables shall be mechanically protected throughout their entire length.

AC and DC wiring and different voltage levels shall not be installed in the same cable.

4.8 Cable Supports

The Supplier shall provide all cable supports for cables in the scope of supply.

Wherever possible, cables shall be routed to avoid areas of special fire risk or areas where leakage or

spillage of contaminants could occur.

Unless otherwise specified, all cable ladders shall be NEMA 20B heavy duty, hot dipped galvanised

steel (2mm steel) of approved manufacture. In areas defined as high risk for liquid metal

embrittlement all cable ladders or conduits shall be heavy duty stainless steel.

All cabling shall be carefully supported, routed and fixed into place to avoid cable sag, stress on cable

terminations and mechanical damage. No more than two layers of cables shall be installed on cable

ladders. A minimum of 25% spare capacity shall be provided on cable ladders.

The minimum segregation between instrument and power cables shall be 100mm. Where

instrumentation and power cables are installed on common cable ladders, earthed solid metal

segregation barriers shall be installed where 100mm segregation cannot be maintained.

Where cables to motors are installed directly from the Company switchgear to the equipment, the

Supplier shall ensure space on cable ladder for these cables within the package unit boundaries.

Cables shall be secured to cable ladders using UV rated cable ties at each ladder rung. Single core

cables making up 3-phase circuits shall be installed as 3-phase trefoil groups, securely clamped




together to withstand the mechanical force produced by a short circuit fault. The manufacturer's

recommended spacing should be used.

Cable ladder shall be structurally supported at maximum 3m intervals.

The radii of cable ladder bends shall be compatible with the bending radius of the supported cables.

Covers shall be provided for cable ladders exposed to the sun.

Cables which leave main cable ladder routes for connection to motors, push button stations, etc. shall

be installed on ladder or conduit installed between the main cable ladder and the equipment.

4.8.1 Cable Glands

The Supplier shall provide all cable glands for cables in the scope of supply of the package.

Preferably cable glands shall be standardised on a single manufacturer and type across the entire

installation. The manufacturer and type for each cable type shall have a nominated gland guaranteed

to fit that cable type and size.

In general, cable glands shall be of the mechanical compression type and shall include integral

facilities for securing and earthing the cable armour braid. All cable glands for outdoor use shall be of

nickel-plated brass. Cable glands shall be of a type which is fully inspectable without the need to

disturb cable terminations or the earth continuity of armour clamping and earthing. Cable glands shall

include seals to the inner and outer cable sheath and maintain at least the same degree of protection

against ingress of dust and moisture as the equipment enclosure. All cable glands shall be provided

with neoprene sealing washers between the gland and the outer face of the equipment or gland plate.

Cable glands for termination of equipment in hazardous areas shall be approved for use in the area

and for use with the particular type of Ex protected equipment. Certification shall be in accordance

with section 4.12.2.

Cable glands shall have ISO metric threads.

Where non-metallic enclosures are used, means shall be provided to preserve the electrical continuity

of the armouring and/or metallic sheaths of cables by bonding the cable glands to each other and to

earth. This can be achieved with either proprietary fitted earth tags or internal earth connection plates.

4.8.2 Terminals and Panel Wiring

All terminals and panel wiring supplied as part of the packaged equipment shall conform to the

requirements of specification QCLNG-BX00-ELE-SPE-300023.

4.9 Indication and Control

All electrical control signals between the Company’s equipment, e.g. motor starters, shall be by volt-

free contacts with a minimum rating of 240V 5A non-inductive unless otherwise specified.




Where requested in the Project Documentation, the Supplier shall provide the option of a serial bus

communication interface for control and/or status monitoring.

Instrumentation signals shall comply with QCLNG-BX00-CNI-SPE-300003.

Motors that require local control for process reasons shall be equipped with a local control station

containing 2 push buttons START and STOP. The pushbuttons shall be directly wired to the

Company MCC motor starter IED.

Every control station shall have a name plate.

Control panel mounted ammeters shall be provided for all package unit motors. The location of

current transformers will be specified by the Company. Ammeter requirements are as follows:

a) Suitable for 1 amp secondary CT;

b) Full load motor current shall be indicated by a red line on the scale;

c) There shall be a compressed 6x overload scale to allow for motor starting.

Incoming units shall be equipped with either:

d) Supply on lamps with red, white and blue phase coloured lenses;

e) A voltmeter and selector switch arranged to measure each line-line and line-neutral voltage.

Push-buttons and related control switches shall comply with AS 60947-5-1. Emergency stop push-

buttons shall have mushroom head and be of the stay-put type, manually reset and coloured red with

facilities for padlocking in the off position.

Push-buttons shall have a full shroud to prevent inadvertent operation.

4.10 Earthing and Bonding

Earthing within the package shall be the Supplier's responsibility and shall comply with AS/NZS 3000.

The following shall apply for the earthing and bonding of packaged plant:

a) Equipment supplied as part of packaged plant shall be bonded using PVC insulated copper

earthing cable to either a common steel frame or earth bar.

b) The following electrical equipment supplied as part of packaged plant shall be bonded using

PVC insulated copper earthing cable to a common earth bar:

i. Switchgear and MCC earth bars;

ii. Motor frames; and

iii. Electrical enclosures.

Packaged plant shall be provided with either an earth bar or two welded bosses easily accessible and

at diagonally opposite ends to facilitate earthing and bonding onsite.




High voltage equipment and equipment mounted on anti-vibration mounts or similarly insulated pads

shall be provided with two earth bosses located diametrically opposite each other. These shall be

earthed to the common earth bar with suitably sized earthing cable.

Terminal boxes, pushbutton and control switches, process switches, electronic instruments,

thermocouples, solenoid valves, and other similar devices shall be considered grounded if they are

bolted to the structural steel or pipe. The electrical supply cable shall have an internal ground wire for

connection to the ground terminal inside the equipment termination chamber.

For terminating high voltage cables, the design of the cable gland or terminations shall ensure the

cable armour and screens are bonded to earth.

In all areas classified as hazardous, any steelwork (such as stairways, cable racks, handrails, etc.)

which is mounted on or attached to non-metallic structures, shall be bonded to the general earthing

system either directly or via other earthed metal at intervals not exceeding 30 m.

Each control panel, marshalling unit or junction box shall be equipped with an integral earth bar to

which shall be connected all removable sections of the panel, such as gland plates, component

mounting plates, cable boxes, doors etc. The earth bar shall be connected to the main protective

earth via a separate conductor. The earth bar shall be positioned such that external cabling can be

installed without dismantling or limiting access to the bar.

Earth connections shall be made with crimped type connectors.

An instrument earth system shall be provided for analogue and digital signals. Screens of signal

cables shall be run continuously from instruments through junction boxes etc. to an instrument earth

bar, which shall be insulated from steelwork or any connection to the plant earth system. The

Company will be responsible for connection of the package instrument earth bar to earth.

Intrinsically safe circuits shall be provided with a separate isolated earth bar similar to that required for

the instrument earth system.

Instrument or intrinsically safe earth bars shall be clearly labelled as to their function.

4.11 Lighting

The Supplier shall provide lighting where requested in the project documentation. Typically, this will

involve suppling light fittings, mounts and associated cabling for transportable process skids.

The Supplier shall provide the following light fitting details:

a) Light fitting make and model;

b) Certification documentation.

The Supplier shall ensure that the following factors are considered as part of the standard lighting:

c) The light fitting certification is not affected by the extremes of temperatures specified in section

3.2




d) The lighting design allows testing of battery backed fittings on line.

Light fittings shall be positioned to provide easy access for maintenance. The provision of fold down

poles shall be considered. Light fittings shall be suitable for the classified hazardous area in which

they are installed and contain certification in accordance with section 4.12.2.

All lighting installed on transportable process skids shall be prewired to central junction box/es for site

connection.

Lighting shall be designed in accordance with AS/NZS 1680.2.4. An average illumination level of 40

lux shall be provided to all process areas for safe access and walkthrough. An illumination level of

160 lux shall be provided on main equipment, motors, control panels and mechanical equipment.

Emergency and evacuation lighting shall be provided to comply with AS 2293. Where the package

equipment allows for personnel access, the lighting layout shall contain a proportion of escape and

exit lights, sufficient to provide illumination for the safety of movement of personnel. Escape and exit

lighting fittings shall be adequately and permanently marked for identification purposes. The

emergency lighting system shall utilise standalone single two hour battery backed up maintained

lighting luminaries.

Plant located emergency lighting luminaries shall be Zone 1 hazardous area certified luminaries with

IEC Ex certificates.

4.12 Hazardous Areas

All equipment shall be suitable for the hazardous area and ingress protection rating as specified in

section 4 and the general requirements for electrical equipment installed within hazardous areas

QCLNG-BX00-ELE-SPE-300021.

All personnel shall have competencies for working with electrical equipment in hazardous areas and

classifying hazardous areas in accordance with the AS/NZS 4761 series of standards. These

competencies shall be applicable to the type of work being undertaken.

4.12.1 Equipment

The Supplier shall ensure that all electrical equipment and installations forming part of a package to

be installed in a hazardous area meets all the requirements of the relevant Australian Standard.

All electrical equipment/devices and instrumentation installed in hazardous areas shall be selected

and installed in accordance with AS/NZS 60079.14:2009.

The equipment used in hazardous areas shall not have any unauthorised modifications which may

affect its certification.

Repaired or overhauled equipment shall not be used unless approved in writing by the Company.

When selecting equipment, consideration shall be given to the ambient temperature of the installation

and possible effects of sunlight and hot surfaces on ambient temperature.




It shall also be ensured that the explosion protection technique of any equipment is not affected by

the higher temperatures, or alternately sunshades be provided to effectively shield equipment.

4.12.2 Certification

All electrical equipment, devices and instrumentation for installation in hazardous areas shall be

certified for such use. The preferred method of certification shall be in accordance with the Aus Ex,

ANZEx, or IECEx certification schemes. ATEX certification is not acceptable.

A copy of the Certificate of Conformity for each piece of equipment/device associated with the

electrical and instrumentation installation shall be provided. Certificates of Conformity shall also be

provided for certified installation components or associated equipment such as intrinsic safety

barriers, bungs, adaptors, conduits, and cable glands.

The manufacturer’s certification nameplate shall be affixed to each piece of explosion protected

electrical/instrumentation equipment. Equipment shall be located and mounted such that nameplates

are visible for inspection.

A Schedule of Explosion Protected Equipment shall be produced and maintained for all Ex electrical,

instrumentation and telecommunication equipment. The Schedule shall contain a listing and

certification details of all equipment. The schedule shall be incorporated into the hazardous area

verification dossier and shall be provided to the Company.

4.12.2.1 HAZARDOUS AREA VERIFICATION DOSSIER

A Hazardous Area Verification Dossier shall be produced for the supplied packaged plant with all

relevant documentation as prescribed in AS/NZS 60079.17 prior to the commencement of

Commissioning. The Supplier shall be responsible for contributing the relevant documents for the

Dossier.

The Dossier format shall be submitted to the Company for review and approval. The final Dossier

shall be provided in native form, for inclusion into the site Dossier by the Company.

The Dossier shall include, as a minimum, the following documents:

a) The Hazardous Area Classification Drawings, Schedule, and Report;

b) A schedule of explosion protected electrical/instrumentation equipment installed within any

hazardous area;

c) Installation instructions;

d) Full documentation/certification for instrument/electrical equipment installed, including those

items with special conditions. One copy only of each certificate is required;

e) Details of any uncertified apparatus including the manufacturers name, its type, number and

the justification for its use;




f) The location of each piece of electrical apparatus and the approximate route of its associated

cables;

g) Circuit intrinsically safe and I2R calculations for Ex’e’ enclosures;

h) Records sufficient to enable the explosion-protected equipment to be maintained in

accordance with its type of protection;

i) Inspection lists against which commissioning and all future routine inspections should be

carried out;

j) A complete record of all inspections, maintenance operations and tests for apparatus and

cables, together with details of any defects found and the actions taken to correct the defects;

k) Drawings and schedules relating to circuit identification;

l) Details of the competency of personnel working in hazardous areas.




5 LABELING AND IDENTIFICATION

All labelling and identification shall comply with Plant and Equipment Tag Numbering QCLNG-BX00-

ENG-PCE-000001.

All items of electrical equipment shall be identified and warning labels shall be fitted where required.

All labels shall be in the English language.

A main nameplate shall be provided on each unit showing the equipment number and title.

Terminals for connection of external cables shall be clearly identified.

5.1 Primary Nameplate

In addition to any International Code nameplate requirements, each Packaged Equipment e.g. Air

Compressor, shall be equipped with a permanently attached primary nameplate manufactured from

316 stainless steel. Text and numbering shall be clearly engraved, paint filled and a minimum of 6mm

high.

The primary nameplate shall be mounted in a prominent location secured by stainless steel screws or

rivets. The nameplate shall contain the following information:

a) Client name

b) Project name

c) Purchase order number

d) Equipment title

e) Equipment tag number

f) Manufacturer’s Name

g) Serial number

h) Year built

i) Certified Weight (kg)

Major sub equipment shall be provided with individual nameplates in accordance with applicable

Project Specifications and/or the Supplier’s standard nameplate.

5.2 Rating Plates

The rating plate shall be fitted in a visible position. Entries on the rating plate shall be indelibly

marked, by etching, stamping or engraving. The following information shall be given in all cases:

a) Manufacturer’s name and trade mark




b) Type, Model and Serial Number

c) Standard to which apparatus is manufactured

d) All technical details required by the relevant standards

5.3 Danger and Warning Labels

All removable covers, terminal boxes etc containing normally live terminals, shall have the following

warning label: “DANGER LIVE TERMINALS – ISOLATE ELSEWHERE BEFORE REMOVING

COVER”

Warning labels shall be laminated traffolyte with slotted holes and shall be attached to the cover or

door with stainless steel screws or bolts. Warning (or Danger) labels shall have white lettering on a

red background and shall comply with AS 1319.

Access to HV compartments or terminals shall be provided with a danger label on the cover with

“DANGER HIGH VOLTAGE”.

Labels shall be fitted to the outside and inside of the unit stating the voltage as follows: "Danger ....

Volts, isolate elsewhere before removing covers".

5.4 Information Labels

All control panels, motors, terminal boxes, field control stations, etc. shall be fitted with name plates

indicating tag (equipment) number and function. In addition, control stations and similar equipment will

also carry normal operating function labels i.e. 'stop', 'start', 'on' 'off' etc.

All equipment identification labels shall be white engraved lettering on a black background ('Traffolyte'

or equivalent). Labels shall be fixed by stainless steel pan-head screws. Labels fixed by adhesives

are not acceptable. The means of attachment shall ensure that it does not affect the certification or IP

rating of the enclosure.

Fuses shall be labelled with their current rating. If the colour coded wiring to fuses connected to the

main circuit is not visible from the front of the fuses, the fuses shall also be labelled with their phase

colour.




6 PACKAGING, HANDLING AND SHIPPING

The Supplier shall be responsible for preparation for shipment including: packing, protection,

preservation, labelling and marking of all items.

All test certificates shall be shipped with all lifting equipment, spreader bars, slings and shackles.

Each unit shall be fabricated, assembled and tested at the factory, and shall be shipped completely

assembled.

All equipment shall have been fully tested and inspected prior to packaging. No packaging activities

shall commence without the prior consent of the Company. The Company shall be notified of the

dates of packaging with sufficient notice to allow attendance for completion of inspection and release

certificates without affecting the required delivery schedule.

No equipment shall be allowed to leave the Supplier’s premises without such certificate being signed,

or a written waiver issued.




7 INSPECTION AND TESTING

All materials and workmanship will be subject to progressive inspection and testing by the Company

at both the Supplier's workshop and site. The Company reserves the right to reject any material,

which does not comply with the specifications, set forth herein or which contain defective materials or

workmanship. Rejected materials shall be promptly removed at the expense of the Supplier and shall

be replaced as soon as practical at no cost to the Company.

The Supplier shall at all times provide the Company with free access to the workshop facility for the

safe and convenient inspection, examination, and testing of any part of the Work, including the

relevant materials and documentation.

The supplier shall submit Inspection and Test Plans (ITPs), which shall define the proposed

inspection and testing activities. The Supplier shall be responsible for confirmation of conformance to

the ITPs.

7.1 Routine Test and Factory Acceptance Test

Routine tests and a final Factory Acceptance Test (FAT) shall be carried out in accordance with the

relevant Australian Standards.

Certified test records shall be provided immediately after completion of the tests. The test records

shall clearly describe the details of the tests and the test results. All calculations shall be provided.

These routine and FAT tests shall include the following:

a) Completeness check;

b) Quality of the manufacture;

c) Checking of rating plates;

d) Insulation resistance tests;

e) Special tests when required and mutually agreed;

f) Busbar systems shall be tested for millivolt drop across connections (Ductor);

g) Dielectric tests;

h) Earth continuity tests;

i) Functional check of circuit breaker and switch operation and control circuits including local and

manual controls and simulation of remote controls;

j) Functional test of all interlocking between switches, doors, and earth switches.

Acceptance by the Company's representative of any equipment does not relieve the Supplier from

any of his performance guarantees or other obligations from the purchase order.




Copies of routine test results shall be incorporated in the Operating and Maintenance Manuals.

7.2 On Site Testing and Commissioning

Inspection, tests and commissioning will be carried out to check the correct installation and prove the

operation of all equipment. Where specified in the scope of supply, the Supplier shall provide

supervision of these tests, which will include:

a) Verification of the installation work e.g. check mechanical installation, check electrical

installation including all cables, terminations, identification, check external controls and

interfaces;

b) Performing Contractor's and Supplier's standard pre-commission tests;

c) Insulation resistance tests;

d) Functional test to prove the operation of each item of switchgear;

e) Adjust all necessary settings, e.g. relay settings;

f) Verify the operation of all (remote) trips, controls and output signals;

g) Measure the contact resistance of the main current carrying paths including the main busbars,

bus-section breakers etc. and verify acceptable values.

Supplier to submit list of settings for all parameters associated with the equipment.

Should any equipment fail any tests, then the Supplier will be notified of such failure and the cost of

replacements, repairs, and further testing shall be covered by the Supplier.




8 SPARE PARTS AND SPECIAL TOOLS

8.1 Spares

The Supplier shall identify the following spares:

a) Pre-commissioning, commissioning and start-up spares

b) Recommended spares list for two years operation

Spares shall be submitted itemised and priced.

8.2 Special Tools

The Supplier shall identify all necessary special tools required to perform routine maintenance and

any other recommended tools for specialised procedures.

Special tools shall be submitted itemised and priced.

The Company shall agree the Special Tools to be included in Purchase Order.




9 DOCUMENTATION

The Supplier shall supply Operating and Maintenance manuals for the equipment supplied.

The instructions shall be fully detailed and cover all items supplied under the contract and shall be

indexed and cross referenced, as applicable. The documents shall apply specifically to the plant

being supplied and shall be specially prepared where necessary. The manuals shall include

comprehensive lists of all part numbers of all items supplied.

9.1 Shop drawings

General: Design documents shall be submitted to the Company for review and approval in

accordance with the Supplier Data Requirements List (SDRL). The reviews and approvals by the

Company shall not relieve the Supplier of any responsibilities for the design, manufacture or supply of

the Equipment. Drawings shall be provided in electronic format, compatible with the drawing package

as specified by the Company.

Prior to Manufacture: Drawings shall be provided covering the full construction details of the

equipment. These shall include equipment arrangements, equipment list (including model numbers,

etc), schematics and wiring diagrams, terminal layout, etc.

9.2 Operations and Maintenance Manuals, Test Documents and “As Built” Drawings

Manuals shall be provided containing all information necessary for the installation, setting up,

manufacture, supply, ordering of spares, operation and maintenance of the Equipment and each item

of Equipment. Two (2) hardcopies and a complete scanned softcopy of the OMMs are required.

A record of all testing and a list of all recommended spare parts shall be included in the OMMs.




10 CHANGE RECORD

QGC Project Phase II

Revision 00 of this Specification is a modification to the revision issued under Phase 1 (QCLNG-

BX00-ELE-SPE-300014_A).

qclng-bx00-ele-spe-300014_00

Documents

qclng phase

qgc qclng project phase

electrical equipment

p qclng project phase

qgc document number

packaged plants401001

packaged plant g

technical specification