RUWAIS LNG PROJECT SPECIFICATION FOR LIGHTING AND SMALL POWER DISTRIBUTION BOARDS
COMPANY DOCUMENT REF. CONTRACTOR DOC. REF.
RLNG-000-EL-SP-0020 215122C-000-JSS-1657-5001
REVISION: 1
PAGE 1 OF 42
ADNOC GAS
Specification for Lighting and Small Power Distribution Boards
COMPANY Contract No.
4700022871
JV TJN RUWAIS Contract No
215122C
Document Class
Class 2
Document Category (for Class 1)
NA
OPERATING CENTER Contract No.
OPERATING CENTER Doc Ref.
SS-000-13831-0101
Maragatharaja 2024.11.25 17:41:42 +05’30’
Digitally signed by: A.Ghosh Date: 2024. 11.25 16: 29:34 + 04’00’
Srikant Pandey 11 2024.11.25 18:25:21 +04’00’
Eric Papeil-Lalande 2024.11.25 17:22:54 +01’00’
1
0
(cid:44)(cid:41)(cid:38)(cid:3)(cid:16)(cid:3)Issu(cid:3)
ed for
Co
nstruction
25-Nov-2024
K.M.M.Raja
Issued for Client Review
30-Aug-2024
K.M.M.Raja
E. Papeil S. Pandey A. Ghosh
E. Papeil S. Pandey A. Ghosh
Masanori Sano 2024.11.26 08:34:58 +09’00’
M. Sano / I.Sawaki
M. Sano / I.Sawaki
Rev.
Revision Purpose
Date
Prepared by
Checked by Approved by
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RUWAIS LNG PROJECT SPECIFICATION FOR LIGHTING AND SMALL POWER DISTRIBUTION BOARDS
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REVISION: 1
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Table of Contents
Contents
Page
1.0 1.1 1.2 1.3 2.0 2.1 2.2 2.3 2.4 3.0 3.1 3.2 3.3 3.4 4.0 4.1 4.2 5.0 5.1 APPENDIX1 AGES-SP-02-020 LIGHTING AND SMALL POWER DISTRIBUTION BOARDS SPECIFICATION
INTRODUCTION … 4 Purpose … 4 REFERENCES … 4 DEFINITIONS … 4 AMENDMENTS TO GENERAL ENGINEERING SPECIFICATION AGES-SP-02-020 … 5 Clause 2, Subclause 2.1, International Codes and Standards Subclause … 5 Clause 2, Subclause 2.2: ADNOC Specifications … 6 Clause 5, Subclause 5.4: Environmental / Site Data … 6 Clause 5, Subclause 5.5, Area Classification … 6 TECHNICAL AMMENDMENTS / SUPPLEMENTS TO AGES-SP-02-020 … 7 Deleted … 7 Clause 7, Subclause 7.1.4 – IEC Clause 5.4, Rated Diversity Factor (RDF) … 7 Clause 7, Subclause 7.4.9 – IEC Clause 8.4.3.1, Installation Conditions … 7 Clause 7, Subclause 7.1.1 - IEC Clause 5.1 General … 7 Clause 8– ADDITIONAL SPECIFIC REQUIREMENTS … 7 Clause 8, Subclause 8.5.a & 8.5.b - Provision for Future Development … 7 New Addendum-Interface with ECMS (Electrical Control & Management System) … 8 Clause 15– PAINTING, PRESERVATION AND SHIPMENT … 8 Clause 15, Subclause 15.1.d - Colour shade … 8
(33 Sheets) … 9
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RUWAIS LNG PROJECT SPECIFICATION FOR LIGHTING AND SMALL POWER DISTRIBUTION BOARDS
COMPANY DOCUMENT REF. CONTRACTOR DOC. REF.
RLNG-000-EL-SP-0020 215122C-000-JSS-1657-5001
REVISION: 1
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Table of Changes compared to previous revision
Paragraph
Modification description
Remarks / Origin
4.2
5
Incoming MCCB status & alarm requirements added for distribution board.
Paint colour details updated
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RUWAIS LNG PROJECT SPECIFICATION FOR LIGHTING AND SMALL POWER DISTRIBUTION BOARDS
COMPANY DOCUMENT REF. CONTRACTOR DOC. REF.
RLNG-000-EL-SP-0020 215122C-000-JSS-1657-5001
REVISION: 1
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1.0
INTRODUCTION
The ADNOC Ruwais LNG Project is a two train, near net-zero electrically driven LNG facility, targeting international markets. The feed gas for the project is supplied from the Habshan Gas Processing Plant via a new export gas pipeline. The plant will have two 4.8 MTPA (nominal capacity) electric driven LNG Trains with associated LNG storage/marine export facilities and utilities.
Figure 1 – Project Context
The ADNOC Ruwais LNG Project foresees the following main components at the facility:
(cid:120) Onshore LNG Liquefaction facilities for 2 x 4.8 MTPA electrically driven LNG Trains (9.6MTPA total)
(cid:120) Common facilities including inlet receiving facilities, LNG storage, BOG handling, flare, refrigerant
storage and support buildings.
(cid:120) Utilities to support the facilities including import power from the national grid.
(cid:120) Marine facilities for LNG export and bunkering.
1.1
Purpose
This specification amends ADNOC General Engineering Specification AGES-SP-02-020 which is attached hereto in Appendix 1 and shall take precedence over the requirements of AGES-SP-02-020 for the ADNOC Ruwais LNG Project.
Section 2, 3 , 4 & 5 of this document identifies the amendments to the General Engineering Specification included in Appendix 1.
1.2
References
AGES-SP-02-020
Lighting and Small Power Distribution Boards (Revision 1)
1.3
Definitions
COMPANY
CONTRACTOR
EPC ADOC POC YOC
ABU DHABI NATIONAL OIL COMPANY (ADNOC) P.J.S.C. TJN Ruwais, Joint Venture of Technip Energies France-Abu Dhabi, JGC Corporation and National Marines Dredging Company (NMDC) Engineering Procurement Construction Abu Dhabi Operating Center - National Marines Dredging Company Paris Operating Center - Technip Energies Yokohama Operating Center - JGC Corporation
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RUWAIS LNG PROJECT SPECIFICATION FOR LIGHTING AND SMALL POWER DISTRIBUTION BOARDS
COMPANY DOCUMENT REF. CONTRACTOR DOC. REF.
RLNG-000-EL-SP-0020 215122C-000-JSS-1657-5001
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2.0
AMENDMENTS TO GENERAL ENGINEERING SPECIFICATION AGES-SP-02-020
Instructions contained below such as “Add”, “Substitute”, “Revised”, or “New” shall be interpreted as follows:
-
Add: Requirements shall be a continuation of the paragraph in the referenced specification.
-
Substitute: The requirement of the referenced specification shall be replaced in its entirety by the
requirements below.
- Revised: The requirement of the referenced specification shall be revised by the specific wording
below.
-
New: A new requirement as described below.
-
Delete: Not applicable for this project
Section A – General Requirements
2.1
Clause 2, Subclause 2.1, International Codes and Standards Subclause
Add:
(cid:120)
(cid:120)
(cid:120)
IEC-62262 Degrees of Protection Provided by Enclosures for Electrical Equipment Against External Mechanical Impacts (IK Code) IEC-60898 Electrical Accessories-Circuit Breakers for overcurrent protection for household and similar installation-Part 1 (Circuit Breakers for AC operation). IEC-60073- Basic and Safety Principles for man-Machine Interface, Marking and Identification-Coding principles for Indications and Actuators.
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REVISION: 1
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2.2
Clause 2, Subclause 2.2: ADNOC Specifications
Substitute:
The following AGES references are substituted with Project documents as detailed below:
AGES Reference
Project Document No.
Project Document Title
AGES-GL-02-001
RLNG-000-EL-BOD-0001 Electrical Design Basis
AGES-SP-02-006
RLNG-000-EL-SP-0009 Specification for Low Voltage Switchgear and Control
gear
AGES-SP-02-009
RLNG-000-EL-SP-0007 Specification for Static Uninterruptible Power Supply
AGES-SP-02-011
RLNG-000-EL-SP-0006 Specification for Electrical Power, Earthing and
Control Cables
AGES-SP-02-014
RLNG-000-EL-SP-0010 Specification
for Electrical
Items on Packaged
Equipment
AGES-PH-02-002
RLNG-000-EL-SP-5102
Lighting and Small Power Philosophy
AGES-PH-02-001
RLNG-000-EL-SP-5101 Philosophy for Earthing, Bonding, and Lightning
Protection
AGES-SP-02-008
RLNG-000-EL-SP-0014 Electrical Control
and Monitoring System
Specification
N/A
RLNG-000-PM-PP-1102 Document Identification and Numbering Procedure
AGES-SP-07-004
RLNG-000-PT-SP-0001
Specification for Protective Coating of Equipment, Piping & Structure
N/A
RLNG-000-PM-SP-6006
JV Packing Marking and Shipping Instructions
2.3
Clause 5, Subclause 5.4: Environmental / Site Data
Substitute: The service conditions shall be as per document “Electrical Design basis- RLNG-000-EL-BOD-0001”, clause no 2.2.8.1”.
2.4
Clause 5, Subclause 5.5, Area Classification
Substitute: Hazardous Area Classification and Electrical Equipment Selection shall be in accordance with document “Electrical Design basis- RLNG-000-EL-BOD-0001”, clause no 2.1”.
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Section B - Technical Requirements
3.0
TECHNICAL AMMENDMENTS / SUPPLEMENTS TO AGES-SP-02-020
The following amendments and additions shall apply to the AGES-SP-02-020 for the Specification of Lighting and Small Power distribution boards. Clause 7: Addition and Amendments to clauses relating to IEC 61439-1& 2 Update IEC referenced Clause numbers as per latest revision of IEC 61439-1&2. Clause descriptions are also revised, where applicable.
AGES-SP-02-020
Updated IEC Clauses (as per latest IEC 61439-1 :2020)
IEC Clause Ref.
Description
Deleted
Revised Clause Ref.
Revised Description
8.4.3.2.2
Requirements for Protective Conductor providing protection against the consequences of faults within the Class I assembly
8.4.3.2.2
Requirements for earth continuity providing protection against the consequences of faults within the ASSEMBLY
3.1
Deleted
3.2
Clause 7, Subclause 7.1.4 – IEC Clause 5.4, Rated Diversity Factor (RDF)
Add: Branch circuits loading shall not exceed 80 % of rating of branch circuit protective device rating.
3.3
Clause 7, Subclause 7.4.9 – IEC Clause 8.4.3.1, Installation Conditions
Add: Each RCCB shall be provided with Auxiliary contacts for “Tripped” & “Status” indication.
3.4
Clause 7, Subclause 7.1.1 - IEC Clause 5.1 General
Add: Outside of the process and utility areas (i.e. industrial and non-industrial buildings area and gate houses) may be non-certified industrial distribution board, this shall be decided based on the location of distribution board.
4.0
CLAUSE 8– ADDITIONAL SPECIFIC REQUIREMENTS
4.1
Clause 8, Subclause 8.5.a & 8.5.b - Provision for Future Development
Substitute: Unless otherwise stated in datasheet, each distribution board shall incorporate 20 % equipped spare ways to allow for future growth.
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4.2
New Addendum-Interface with ECMS (Electrical Control & Management System)
One group alarm for each distribution board shall be sent to ECMS to indicate outgoing MCBs tripped status.
A separate alarm signal for each distribution board shall be sent to ECMS to indicate incoming MCCB tripped status.
Incoming MCCB open/closed status for each distribution board shall be sent to ECMS.
SECTION C – OTHER REQUIREMENTS
5.0
CLAUSE 15– PAINTING, PRESERVATION AND SHIPMENT
5.1
Clause 15, Subclause 15.1.d - Colour shade
Substitute: For Indoor equipment Colour shade shall be grey, RAL7035 Add: For Outdoor,
(cid:120) Equipment made of stainless-steel equipment shall painted as per Doc. No. RLNG-000-MT-SP-
2301 (Specification for Protective Coating of Equipment, Piping & Structures)
(cid:120) Equipment made of GRP shall maintain its natural colour.
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RUWAIS LNG PROJECT SPECIFICATION FOR LIGHTING AND SMALL POWER DISTRIBUTION BOARDS
COMPANY DOCUMENT REF. CONTRACTOR DOC. REF.
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REVISION: 1
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APPENDIX1 AGES-SP-02-020 LIGHTING AND SMALL POWER DISTRIBUTION BOARDS
SPECIFICATION (33 SHEETS)
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ADNOC Classification: Internal
THE CONTENTS OF THIS DOCUMENT ARE PROPRIETARY AND CONFIDENTIAL.
ADNOC GROUP PROJECTS AND ENGINEERING LIGHTING AND SMALL POWER DISTRIBUTION BOARDS
Specification
APPROVED BY:
15/12/2021
NAME: Abdulmunim Al Kindy TITLE: Executive Director PT&CS EFFECTIVE DATE:
AGES-SP-02-020
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ADNOC Classification: Internal
GROUP PROJECTS & ENGINEERING / PT&CS DIRECTORATE
CUSTODIAN ADNOC
Group Projects & Engineering / PT&CS Specification applicable to ADNOC & ADNOC Group Companies
REVISION HISTORY
DATE
REV.
NO
PREPARED BY (Designation / Initial)
REVIEWED BY (Designation / Initial)
ENDORSED BY (Designation / Initial)
ENDORSED BY (Designation / Initial)
25-Nov-2021
1
Naveen Devkaran/
Sr. Eng. Electrical
Ali Naser Bagarwan/ HOD Electrical- GPE
Najem Abdulla Qambar/ VP Group Eng.- GPE
Ebraheem
AlRomaithi / SVP
– GPE
15/12/2021
Group Projects & Engineering is the owner of this Specification and responsible for its custody, maintenance and periodic update.
In addition, Group Projects & Engineering is responsible for communication and distribution of any changes to this Specification and its version control.
This specification will be reviewed and updated in case of any changes affecting the activities described in this document
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ADNOC Classification: Internal
INTER-RELATIONSHIPS AND STAKEHOLDERS
The following are inter-relationships for implementation of this Specification:
i. ADNOC Upstream and ADNOC Downstream Industry, Marketing & Trading Directorate.
ii. ADNOC Onshore, ADNOC Offshore, ADNOC Sour Gas, ADNOC Gas Processing. ADNOC LNG,
ADNOC Refining, Fertil, Borouge, Al Dhafra Petroleum, Al Yasat
The following are stakeholders for the purpose of this Specification:
iii. ADNOC PT&CS Directorate
This Specification has been approved by the ADNOC PT&CS is to be implemented by each ADNOC Group company included above subject to and in accordance with their Delegation of Authority and other governance- related processes in order to ensure compliance.
Each ADNOC Group company must establish/nominate a Technical Authority responsible for compliance with this Specification.
DEFINITIONS
“ADNOC” means Abu Dhabi National Oil Company.
“ADNOC Group” means ADNOC together with each company in which ADNOC, directly or indirectly, controls fifty percent (50%) or more of the share capital.
“Approving Authority” means the decision-making body or employee with the required authority to approve Policies & Procedures or any changes to it.
“Business Line Directorates” or “BLD” means a directorate of ADNOC which is responsible for one or more Group Companies reporting to, or operating within the same line of business as, such directorate.
“Business Support Directorates and Functions” or “Non- BLD” means all the ADNOC functions and the remaining directorates, which are not ADNOC Business Line Directorates.
“CEO” means chief executive officer.
“Group Company” means any company within the ADNOC Group other than ADNOC.
“Specification” means this Lighting and Small Power Distribution Boards Specification.
CONTROLLED INTRANET COPY The intranet copy of this document located in the section under Group Policies on One ADNOC is the only controlled document. Copies or extracts of this document, which have been downloaded from the intranet, are uncontrolled copies and cannot be guaranteed to be the latest version.
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ADNOC Classification: Internal
TABLE OF CONTENTS
GENERAL … 7
PURPOSE… 7
SCOPE… 7
DEFINITIONS AND ABBREVIATIONS… 7
SECTION A – GENERAL… 10
REFERENCE DOCUMENTS … 10
INTERNATIONAL CODES AND STANDARDS … 10
ADNOC SPECIFICATIONS… 11
STANDARD DRAWINGS … 11
OTHER REFERENCES … 11
DOCUMENT PRECEDENCE … 12
SPECIFICATION DEVIATION / CONCESSION CONTROL … 12
DESIGN CONSIDERATIONS / MINIMUM DESIGN REQUIREMENTS … 12
DESIGN BASIS … 12
OBSOLESCENCE … 13
DESIGN PARAMETERS … 13
ENVIRONMENTAL / SITE DATA… 13
AREA CLASSIFICATION… 13
SECTION B – TECHNICAL REQUIREMENTS … 14
BASE STANDARD… 14
ADDITIONS AND AMENDMENTS TO CLAUSES RELATING TO IEC 61439-1 AND 2 … 14
IEC CLAUSE 5.0 INTERFACE CHARACTERISTICS … 14
IEC CLAUSE 6.0 INFORMATION… 15
IEC CLAUSE 7.0 SERVICE CONDITIONS… 16
IEC MAIN CLAUSE 8.0 CONSTRUCTIONAL REQUIREMENTS … 16
IEC MAIN CLAUSE 9.0 PERFORMANCE REQUIREMENTS… 23
ADDITIONAL SPECIFIC REQUIREMENTS… 23
HAZARDOUS AREA REQUIREMENTS… 24
INSTRUMENT TRANSFORMERS … 24
PROTECTION AND CONTROL SYSTEM – TRIPPING CIRCUIT … ERROR! BOOKMARK NOT DEFINED.
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ADNOC Classification: Internal
PROTECTION AND CONTROL SYSTEM – CLOSING CIRCUIT… ERROR! BOOKMARK NOT DEFINED.
ANTI-CONDENSATION HEATERS … 25
PROVISION FOR FUTURE DEVELOPMENT … 25
SECTION C – OTHER REQUIREMENTS … 26
DETAILS OF SCOPE SUPPLY … 26
QUALITY CONTROL AND ASSURANCE … 26
SUB-CONTRACTORS, SUB-SUPPLERS… 26
MATERIAL CERTIFICATION … 26
INSPECTION AND TESTING REQUIREMENTS … 27
GENERAL… 27
TESTS REPORTS … 27
TYPE TESTS … 27
DESIGN VERIFICATION … 27
ROUTINE TESTS … 28
SPARE PARTS … 29
PAINTING, PRESERVATION AND SHIPMENT… 29
PAINTING … 29
SHIPMENT… 29
COMMISSIONING… 29
TRAINING … 29
DOCUMENTATION / MANUFACTURER DATA RECORDS… 29
GENERAL… 29
DELIVERABLES … 31
GUARANTEES AND WARRANTY… 32
SECTION D – STANDARD DRAWINGS & DATASHEETS… 33
DATASHEET TEMPLATES … 33
STANDARD DRAWINGS… 33
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ADNOC Classification: Internal
LIST OF TABLES
TABLE 1.1 LIST OF ABBREVIATIONS … 10
TABLE 7.1 SPACING BETWEEN POWER AND SIGNAL CABLES … 23
TABLE 17.1 DOCUMENTATION REQUIREMENTS … 32
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ADNOC Classification: Internal
GENERAL
Purpose
The purpose of this specification is to specify the requirements of the design, performance, materials, manufacturing, inspection, testing, documentation and preparation for shipment of ‘factory-built assemblies’ of low voltage lighting and small power distribution boards rated for voltages up to 440V.
Scope
This specification applies to ‘factory-built assembly’ metal-enclosed low voltage lighting and small power distribution boards for ac voltages up to 440V that shall be operated and maintained by authorized personnel. The standard voltages used by ADNOC for LV lighting and small power distribution are 240V and 415V AC at 50Hz though ratings as applied in clause 7.1.2 will also apply as per project requirements (single and three Phase respectively). For project and site-specific additional requirements, refer to supplementary requirements stated in respective project’s Purchase Requisition documentation.
Definitions and Abbreviations
1.3.1 Definitions
The following defined terms are used throughout this specification.
‘[PSR]’ indicates a mandatory Process Safety Requirement
“COMPANY” means ADNOC, ADNOC Group or an ADNOC Group Company, and includes any agent or consultant authorized to act for, and on behalf of the COMPANY.
“CONTRACTOR” means the parties that carry out all or part of the design, engineering, procurement, construction, commissioning or management for ADNOC projects. CONTRACTOR includes its approved MANUFACTURER(s), SUPPLIER(s), SUB-SUPPLIER(s) and SUB-CONTRACTOR(s).
“MANUFACTURER” means the Original Equipment Manufacturer (OEM) or MANUFACTURER of one or more of the component(s) which make up a sub-assembly or item of equipment assembled by the main SUPPLIER or his nominated SUB-SUPPLIER.
‘may’ means a permitted option
‘shall’ indicates mandatory requirements
‘should’ means a recommendation
“SUB-CONTRACTOR” means any party engaged by the CONTRACTOR to undertake any assigned work on their behalf. COMPANY maintains the right to review all proposed SUB-CONTRACTORs; this right does not relieve the CONTRACTOR of their obligations under the Contract, nor does it create any contractual relationship between COMPANY and the SUB-CONTRACTOR.
“SUPPLIER” means the party entering into a Contract with COMPANY to provide the materials, equipment, supporting technical documents and/or drawings, guarantees, warranties and/or agreed
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ADNOC Classification: Internal
services in accordance with the requirements of the purchase order and relevant specification(s). The term SUPPLIER includes any legally appointed successors and/or nominated representatives of the SUPPLIER.
“SUB-SUPPLIER” means the sub-contracted SUPPLIER of equipment sub-components software and/or support services relating to the equipment / package, or part thereof, to be provided by the SUPPLIER. COMPANY maintains the right to review all proposed SUB-SUPPLIERS, but this right does not relieve the SUPPLIER of their obligations under the Contract, nor does it create any contractual relationship between COMPANY and any individual SUB-SUPPLIER.
1.3.2 Abbreviations
The abbreviations used throughout this specification are shown in 1.1
Table 1.1 List of Abbreviations
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ADNOC Classification: Internal
Abbreviations
AC
CB
CT
CTI
DB
DC
EMC
FAT
HRC
HSE
IEC
IP
IS
ITP
LED
LV
MCB
MCCB
MOV
PE
PT
Alternating Current
Circuit Breaker
Current Transformer
Comparative Tracking Index
Distribution Board
Direct Current
Electromagnetic Compatibility
Factory Acceptance Test
High Rupture Capacity
Health Safety & Environment
International Electrotechnical Commission
Ingress Protection
Intrinsically Safe
Inspection and Test Plan
Light Emitting Diode
Low Voltage ((cid:148)1000V AC System and (cid:148)1500V DC Systems)
Miniature Circuit Breaker
Moulded Case Circuit Breaker
Motor Operated Valve
Protective Earth
Potential Transformer
RCCB
Residual Current Circuit Breaker
RDF
SLD
SS
TN-S
UPS
UV
Rated Diversity Factor
Single Line Diagram
Substation
Separate Protective Earth
Uninterruptible Power Supply
Ultra-Violet
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ADNOC Classification: Internal
SECTION A – GENERAL
REFERENCE DOCUMENTS
International Codes and Standards
The following Codes and Standards shall form a part of this specification. When an edition date is not indicated for a Code or Standard, the latest edition in force at the time of the contract award shall apply.
Where a document listed below is not available or considered to be not applicable to the Project, each ADNOC COMPANY shall use their own relevant document. Additional reference documents may also be added by each ADNOC Company.
INTERNATIONAL ELECTROTECHNICAL COMMISSION (IEC)
IEC 60079 Series
Explosive Atmospheres / Electrical Apparatus for Explosive Gas Atmospheres
IEC 60112
IEC 60204-1
IEC 60204-11
Method for the determination of the proof and the comparative tracking indices of solid insulating materials
Safety of machinery - Electrical equipment of machines - Part 1: General requirements
Safety of machinery. Electrical equipment of machines. Requirements for equipment for voltages above 1000V AC or 1500V DC and not exceeding 36kV
IEC 60255 Series
Measuring relays and protection equipment
IEC 60269 Series
Low Voltage Fuses
IEC 60331 Series
IEC 60332
IEC 60364-4-41
IEC 60445
Tests for electric cables under fire conditions – Circuit Integrity (All Parts)
Tests on electric and optical fibre cables under fire conditions
Low-voltage electrical installations – Part 4-41: Protection for safety – Protection against electric shock
Basic and safety principles for man-machine interface, marking and identification - Identification of equipment terminals, conductor terminations and conductors
IEC 60529
Degrees of Protection Provided by Enclosures (IP Code)
IEC 60617-DB
Graphical Symbols for Diagrams - Database
IEC 60684-3-283
IEC 60754-1
IEC 60755
Flexible insulating sleeving - Part 3: Specifications for individual types of sleeving — Sheet 283: Heat-shrinkable, polyolefin sleeving for bus-bar insulation
Test on gases evolved during combustion of materials from cables - Part 1: Determination of the halogen acid gas content
General safety requirements for residual current operated protective devices
IEC 60947 Series
Low Voltage Switchgear and Controlgear
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ADNOC Classification: Internal
IEC 61439-1 and 2
Low Voltage Switchgear and Controlgear Assemblies
IEC TR 61641
Enclosed LV Switchgear and Controlgear – Guide for testing under conditions of arcing due to internal fault
IEC 61869 Series
Instrument Transformers
IEC 62402
Obsolescence Management
INTERNATIONAL STANDARDS ORGANISATION
ISO 9001
ISO 9004
ISO 12944
Quality Management Systems - Requirements
Quality Management – Quality of an Organisation – Guidance to achieve sustained success
Paints and varnishes - Corrosion protection of steel structures by protective paint systems
ISO 19011
Guidelines for Auditing Management Systems
ADNOC Specifications
AGES-GL-02-001
Electrical Design Guidelines
AGES-SP-02-006
Low Voltage Switchgear and Controlgear Specification
AGES-SP-02-009
AC and DC UPS
AGES-SP-02-011
Electrical Power, Control and Earthing Cables
AGES-SP-02-015
Field Commissioning of Electrical Installation and Equipment
AGES-SP-02-019
Bulk Electrical Materials
AGES-SP-04-006
Instrument and Control Cable Specification
AGES-SP-07-004
Painting and Coating Specification
Standard Drawings
To Be Advised
Other References
UAE 2014
EI Part 1
EI Part 15
ANSI C-37.2
UAE Electricity wiring regulations
Model code of safe practice Part 1: The selection, installation, inspection and maintenance of electrical and non-electrical apparatus in hazardous areas
Model code of safe practice Part 15: Area classification for installations handling flammable fluids
IEEE Standard for Electrical Power System Device Function Numbers, Acronyms, and Contact Designations
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ADNOC Classification: Internal
DOCUMENT PRECEDENCE
The specifications and codes referred to in this specification shall, unless stated otherwise, be the latest approved issue at the time of contract award.
It shall be the CONTRACTOR’s responsibility to be, or to become, knowledgeable of the requirements of the referenced Codes and Standards.
The CONTRACTOR shall notify the COMPANY of any apparent conflict between this specification, the related data sheets, the Codes and Standards and any other specifications noted herein.
Resolution and/or interpretation precedence shall be obtained from the COMPANY in writing before proceeding with the design/manufacture.
In case of conflict, the order of document precedence shall be:
UAE Statutory requirements
ADNOC HSE Standards
Equipment datasheets and drawings
Project Specifications and standard drawings
Company Specifications
National / International Standards
SPECIFICATION DEVIATION / CONCESSION CONTROL
Deviations from this specification are only acceptable where the MANUFACTURER has listed in his quotation the requirements he cannot, or does not wish to comply with, and the COMPANY / CONTRACTOR has accepted in writing the deviations before the order is placed.
In the absence of a list of deviations, it will be assumed that the MANUFACTURER complies fully with this specification.
Any technical deviations to the Purchase Order and its attachments including, but not limited to, the Data Sheets and Narrative Specifications shall be sought by the MANUFACTURER only through Concession Request Format. Concession requests require CONTRACTOR’S and COMPANY’S review / approval, prior to the proposed technical changes being implemented. Technical changes implemented prior to COMPANY approval are subject to rejection.
DESIGN CONSIDERATIONS / MINIMUM DESIGN REQUIREMENTS
Design Life
The Distribution Boards shall have a minimum design life of 25 years when operating at rated conditions and maintained according to the SUPPLIER’s recommendations.
LV Lighting and Small Power Distribution Board assembly shall be capable of continuous operation at full load for a minimum of 90,000 hours without the need for routine maintenance involving de-energisation of the main busbars and the distribution busbars. Functional units shall be designed for continuous operation at full load for at least 35,000 hours without maintenance.
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ADNOC Classification: Internal
Obsolescence
The MANUFACTURER shall submit a statement along with the bid, in accordance with IEC 62402, on any planned or predicted obsolescence of equipment or components over this design life and advise what provisions are made to allow ease of future upgrading of any equipment purchased.
Design Parameters
Refer to Data Sheet
Environmental / Site Data
Service conditions shall be as per AGES-GL-02-001 Section 5.6.
Area Classification
Hazardous Area Classification and Equipment Selection shall be in accordance with AGES-GL-02-001 Sections 5.7 and 5.8.
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ADNOC Classification: Internal
SECTION B – TECHNICAL REQUIREMENTS
BASE STANDARD
The LV Lighting and Small Power Distribution Board shall comply with:
IEC 61439-1 IEC 61439-2 Associated standards referenced in the above standards.
ADDITIONS AND AMENDMENTS TO CLAUSES RELATING TO IEC 61439-1 AND 2
IEC Clause 5.0 Interface Characteristics
7.1.1
IEC Clause 5.1 General
The distribution boards shall, in all respects, be suitable for operation in service conditions typically found in oil & gas installations and shall be suitable for working satisfactorily in humid, salt laden and corrosive atmosphere. All electrical equipment shall be designed for the maximum ambient environmental conditions as specified in datasheet.
The location of the Distribution board shall be indoors or outdoors as indicated in the data sheets. Distribution boards mounted outdoors shall be suitable for installation in the hazardous area classification as specified in data sheet.
The design and construction of the distribution board shall comprise of incoming feeder(s), bus bar assembly and outgoing feeders as indicated in the project SLDs and data sheets.
Supply System Variations: The Distribution board shall be capable of continuous operation at its rating and within the limits of temperature rise under continuous deviation of the nominal values of the system voltage and frequency with specified variations as given below unless otherwise specified in the data sheet.
a. Nominal supply voltage: ±10%, b. Frequency: ±5%,
7.1.2
IEC Clause 5.2 Voltage Ratings
The power supply system is one of the following as indicated in single line diagrams/ panel schedules / material requisition:
a. 415V, 3-phase, 4 wire, 50Hz, neutral solidly earthed b. 240V, 1-phase, 2 wire, 50Hz, solidly earthed c. 110V, DC, 2 wire d. 48V, DC, 2 wire e. 24V, DC, 2 wire
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ADNOC Classification: Internal
7.1.3
IEC Clause 5.3 Current Ratings
a. The current ratings shall be as specified in the data sheet.
b. Ratings shall be specified on the basis of the equipment and components housed in the enclosures
with natural ventilation under the service conditions specified.
c. All components shall have the user defined ratings after applying any de-rating factors for the specified
service conditions.
d. The main bus bar shall be fully rated along its entire length. The neutral bus bar shall be of the same
cross section as that of the phase bus bars.
e. Unless otherwise specified in the data sheet, the assembly shall be with separate neutral and
protective earth (PE) busbars throughout the system, i.e. TN-S power supply system.
7.1.4
IEC Clause 5.4 Rated Diversity Factor (RDF)
Unless otherwise stated in the data sheet, the assumed loading of the outgoing circuits or group of circuits shall be based on the values of rated diversity factor shown in Table 101 of IEC 61439-2.
7.1.5
IEC Clause 5.5 Rated Frequency
The power supply rated frequency for the assembly for AC Distribution shall be 50 Hz unless otherwise specified in the data sheet.
IEC Clause 6.0 Information
7.2.1
IEC clause 6.1 Assembly Designation Marking
a. Equipment Nameplate:
Wherever traffolyte sheet is used as plate material the background color shall be white with black letters. For distribution boards fed from EDG back up power, the panel tag plate shall be red background and with white letters. In addition to IEC requirements the following information shall be given on the equipment nameplate.
i. Purchase order number.
ii. Rated voltage.
iii. Rated frequency.
iv. Rated current of bus bar system.
v. Rated voltage of auxiliary circuits (if applicable).
vi. Rated short time withstand current Icw and its duration.
vii. Rated peak withstand current Ipk.
viii. Degree of protection.
ix. Form of internal separation.
x. Hazardous Area Classification (if applicable)
xi. For indoor/ outdoor located distribution boards that are located at different location from the feeding end equipment, the tag number of equipment/ switchgear feeding power to this board.
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ADNOC Classification: Internal
b. The functional unit circuit labels shall include the following:
i.
Tag number of connected equipment.
ii. Circuit kW / Amp rating.
iii. Circuit labels shall be secured with non-corrodible screws or other demountable fixing systems.
c. Where voltage and current transformers are not readily accessible with the equipment energized,
duplicate rating plates shall be fitted in an accessible location.
d.
Instruction plates:
When operating sequence or procedure of certain item in the assembly is not evident, e.g. mechanical features, instruction plates shall be provided, fixed near the point of operation. The instruction shall be given as far as possible in a pictorial manner.
e. Warning plates and caution notices:
i.
In locations where dangerous situations may inadvertently be created, warning plates or caution notices shall be installed, identifying the danger points.
ii. Warning labels shall be provided in both English and Arabic language.
7.2.2
IEC Clause 6.2 Documentation
See Section 18.
IEC Clause 7.0 Service Conditions
7.3.1
IEC Clause 7.1 Normal Service Conditions
See Section 5.4.
7.3.2
IEC Clause 7.1.2 Pollution Degree
Unless defined otherwise in the data sheet, the switchgear assemblies shall be suitable for use in a pollution degree 3 environment as per this IEC clause.
7.3.3
IEC Clause 7.3 Conditions During Transport, Storage and Installation
MANUFACTURER’s standard packing shall be acceptable unless otherwise stated in the users’ Preservation and Export Packing Procedure and data sheet. For further details see Section 15.
IEC Main Clause 8.0 Constructional Requirements
7.4.1
IEC Clause 8.1.1 General
For design life requirements see Section 5.1.
The distribution board for indoor use shall be wall mounted or free-standing floor mounting and of flush fronted construction. For outdoor use the distribution board shall be frame mounted or free standing type and of flush fronted construction.
Cable entries shall be from the bottom and top entries shall only be used where specified in data sheets.
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ADNOC Classification: Internal
Unless otherwise specified in the data sheet the distribution board assembly functional units shall be form- 2b Type 2 construction for small power DBs, for lighting boards this shall be form 3b construction and for distribution bords used for supplying power to MOVs the form 4 construction shall be provided. The type of construction based on ampere rating shall be in line with clause no. 7.4.18a of the specification.
Doors shall be provided with supplementary equipotential bonding, in accordance with IEC 60364-4-41.
Doors shall be provided with restraints to secure the door in the open position.
Doors shall be provided with pocket to hold SLD and panel wiring diagrams.
7.4.2
IEC Clause 8.1.2 Protection Against Corrosion
For painting and preservation requirements refer to Section 15.
7.4.3
IEC Clause 8.1.3 Properties of Insulating Materials
The insulating material for bus bar shall be flame retardant type and shall comply with IEC 60684-3- 283
The Comparative Tracking Index (CTI) as per IEC 60112 of the insulating material used for the supports and insulation of the bus bar and dropper systems shall be at least 300. The CTI for the insulation materials used for the components protected by the short circuit protective devices in the outgoing functional units shall be at least 175.
Insulating caps shall be provided for all connections, which can be removed for inspection and maintenance.
7.4.4
IEC Clause 8.1.4 Resistance to Ultra-Violet Radiations
Outdoor located distribution boards, which are exposed to direct sun, shall be provided with a sunshade.
7.4.5
IEC Clause 8.1.6 Lifting Provision
The distribution board assembly shall be complete with eyebolts and lifting eyes etc. to facilitate installation.
7.4.6
IEC Clause 8.2.1 Protection Against Mechanical Impact
Minimum dropped object impact level shall be as below as per definition in IEC 62262, unless otherwise stated in the data sheet.
a. Outdoor: IK 10.
b.
Indoor: IK 07.
7.4.7
IEC Clause 8.2.2 Protection Against Contact with Live Parts, Ingress of Solid Foreign Bodies and Water
The minimum degree of protection of distribution board enclosure shall be IP31 for indoor applications, unless otherwise stated in the data sheet.
Components remaining live when switchgear enclosure doors are opened shall have a minimum IP 2x protection.
For outdoor installations, the minimum degree of protection shall be as below.
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ADNOC Classification: Internal
i.
ii.
Onshore: IP55.
Offshore: IP56.
Outdoor distribution boards , which are exposed to direct sun, shall be provided with a rain / sun canopy. The canopy shall be solar heat insulating UV resistant electrostatic-free fibre re-enforced polyester with 316 SS fastenings.
7.4.8
IEC Clause 8.4.2.3 Barriers or Enclosures
Interlocks shall be provided to ensure safe working for the operating and maintenance personnel.
Interlocks shall be provided to prevent access to any live part except for testing.
The main door shall be interlocked such that the door cannot be opened when the isolator is ON. Provision to defeat this door interlock shall be available.
Interlocks shall be mechanically operated.
Distribution Boards shall have the arrangement with main door for enclosure that when opened provides operational access of components with an inner partition plate to cover the live connections.
No live parts shall be exposed when the Distribution board is opened and accidental contact of people or tools with live part shall be made impossible.
The enclosure and all metallic non-current carrying parts of Distribution Board assembly including hinged door shall be connected to the main earth busbar.
7.4.9
IEC Clause 8.4.3.1 Installation Conditions
For incomers of the distribution board RCCB shall be provided with setting range of 0 to 500mA.
7.4.10 IEC Clause 8.4.3.2.2 Requirements for Protective Conductor providing protection against the
consequences of faults within the Class I assembly
A tinned copper earth bar shall run the full length of the Distribution Board with terminal for external protective conductors. The busbar shall be bonded to the Distribution board enclosure. The earth bus bar shall be provided with terminal studs for connection to the third core of each outgoing circuit as applicable.
The enclosure and all metallic non-current carrying parts of Distribution Board assembly including hinged door shall be connected to the main earth busbar.
The location of the earth busbar shall neither obstruct nor require dismantling any earth bar for the installation/termination of cables.
Whenever specified by datasheet, the neutral busbar shall be connected by bolted links to the earth busbar within the Distribution Board. Each link shall be labelled “Neutral Earthing Link”.
Distribution panels shall be supplied with minimum 2 Nos. external M10 earth stud complete with nuts, spring, and plain washers. This stud is to be electrically continuous with all structural members.
7.4.11 IEC Clause 8.4.3.2.3 Requirements for Protective Conductor providing protection against the
consequences of faults in external circuits supplied through the ASSEMBLY
A separate protective earth (PE) bar shall be provided within the panel for termination of all earth wires.
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ADNOC Classification: Internal
The PE bar shall be insulated from the back-plate but connected by one earthing conductor to the back-plate.
Doors shall be provided with supplementary equipotential bonding, in accordance with IEC 60364-4- 41.
Following will be considered for earthing and bonding
i. ii.
iii. iv.
v. vi.
vii.
A separate earth bar shall be provided within the panel for termination of all earth wires. The earth bar shall be insulated from the back-plate but connected by one earthing conductor to the back-plate. Unless otherwise specified, this bus bar shall have a minimum cross-sectional area in accordance with clause 8.2.2 of IEC 60204-1. Earthing bus bars and conductors shall be hard-drawn, high-conductivity copper. A means of earthing the incoming cable glands and the enclosure to this central earthing point shall also be provided. An earth stud shall be provided on all doors, with earthing straps across hinges. Panels containing instrument circuits requiring instrument reference earth shall be equipped with a separate instrument earth bar insulated from the enclosure protective earth. A separate IS earth bar, insulated from both the PE and the instrument earth bar, shall be provided for non-galvanic IS components located in the panel.
7.4.12 IEC Clause 8.4.6.2 Requirements related to accessibility in service by authorized persons
Components mounted inside and all terminals shall provide at least IP20 protection for safety of personnel when the doors are opened for maintenance or operation access or for termination of cables.
7.4.13 IEC Clause 8.5.3 Selection of Switching Devices and Components
All switching devices and components shall be standardised as far as practical.
Unless defined otherwise in data sheet, circuit breakers shall have selectivity category as per IEC 60947- 2 as follows:
a. Category A for outgoing units not requiring selective protection. b. Category B for all other units requiring selective protection.
Switching devices shall be of 4-pole type for 3 phase + neutral systems and 2-pole for single-phase.
The distribution boards shall consist of outgoing circuits as below.
i. ii. iii. iv.
Four pole MCBs for three phase feeders supplying power to a sub distribution board Three pole RCCB supplying power directly to three phase load Three pole MCCB supplying power to MOVs Two pole RCCB for single phase L-N feeders and for L-L 415V feeders.
The switching devices shall have padlock facilities in the ‘OFF’ position. ‘ON’, ‘OFF’ and ‘TRIPPED’ Indication facilities shall be provided for MCCBs and visible to the operator when mounted and in service. Front of board operating handle shall be provided.
Circuit breakers provided for DC application shall be suitable to make and break the maximum short circuit current contributed by the DC sources i.e. suitable for specified DC duty. Earth leakage monitors for unearthed DC system and earth leakage protection for earthed system to be provided.
7.4.14 IEC Clause 8.5.3 Selection of Switching Devices and Components - MCCBs
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ADNOC Classification: Internal
All incomer of Distribution Boards shall be controlled by current limiting MCCB unless and otherwise specified in data sheet. A fused switch unit may be used as an alternative to the MCCB if indicated in the project SLD/datasheet.
MCCB’s shall be used to control the outgoing feeders 63A and above. However, MOV feeders shall have MCCB irrespective of the feeder rating. Outgoing units for lighting Distribution Boards shall be controlled by two pole RCCB for the single phase loads.
The CB mechanism shall have three positions i.e. “ON”, “OFF” and “TRIP”
MCB/MCCBs with multiple poles shall have a common integrated trip bar for simultaneous operation of all the poles.
The MCCBs shall comply with applicable sections of IEC 60947 parts 1, 2 and 4 and the utilization Category shall be A. MCCBs shall include all standard features, the following additional accessories are:
i.
Thermal overload tripping unit with inverse time current tripping characteristics with externally adjustable setting features.
ii. Magnetic short circuit protection with instantaneous tripping on short circuit with externally
adjustable setting features.
iii. Earth leakage protection with instantaneous tripping for feeders when indicated in SLD or
datasheet.
iv. Combined Auxiliary and Alarm Switches.
v. Mechanical position indicator.
vi. Shrouded terminals that provide IP20 degree of protection.
Lighting and small power circuits shall be provided with Earth leakage protection by means of a residual current operated device conforming to the requirements of IEC 60755 such as an RCCB.
If specified, MCCB shall have shunt trip facility which shall be wired up to the terminal block.
Each RCCB shall be provided with a “test” facility which shall be operated without consequence to other RCCBs contained within the Distribution Board.
RCCBs are to be fitted with a trip free operating mechanism such that it will not be possible to hold the circuit breaker closed against a fault tripped condition.
MCBs shall be designed as follows:
i. Comply with applicable sections of IEC 60947 parts 1 and 2 and IEC 60898.
ii. The continuous current rating shall suit circuit requirements or shall be as specified in the SLD. The rated short time making and breaking capacity shall correspond to the short circuit rating of the connected bus or to the let through energy of the device upstream of the MCB. The minimum short circuit rating shall be 10 kA unless specified in data sheet.
iii. MCB shall be with short circuit and adjustable thermal overload protection.
iv. MCB shall be manually operated by means of an operating handle mounted in front of the device.
Visible operating indicator for ON or OFF shall be provided.
v. MCB shall be suitable for mounting on rails. Shrouded terminals providing IP20 protection shall
be provided suitable for connection of copper conductor wires or buses.
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ADNOC Classification: Internal
7.4.15 IEC Clause 8.5.3 Selection of Switching Devices and Components - Switches and Fuse Switches
Switches and fuse switches shall
Comply with IEC 60947-3.
Be of 3-phase, load break, fault make design, rated for the specified load and fault conditions, and shall incorporate three positions, ‘closed’, ‘open’ and ‘earthed’.
Have utilisation category AC23A for MOV feeders and AC22A for other feeders.
Be easily accessible and operable from the front of the assembly without opening a cover. Wherever, front dead doors are provided the switches shall be available after opening the door.
Have ‘on’ and ‘off’ positions indicators.
Auxiliary contacts of the switch shall be wired to terminal block for remote status indication where required.
Operating mechanism shall be manual, fast acting with speed of operation independent of operator action.
i.
ii.
iii.
iv.
v.
vi.
vii.
viii.
Where fuses are used for main circuit protection, they shall conform to IEC 60269-1 and IEC 60269- 2 and system type shall be as defined in the data sheet.
Fuses shall be high rupture capacity (HRC) type general purpose fuse links, utilization category gG for feeders and aM / gM for motor (MOV) circuits to provide type 2 co-ordination, unless defined otherwise in the data sheet.
If specified in the data sheet, fuse-failure indication shall be provided.
7.4.16 IEC Clause 8.5.3 Selection of Switching Devices and Components – Photocells
The photocell shall be used to control the outdoor lighting circuits with “manual-off-auto” selection switch. For maintenance purpose, the lights can be switch ON and OFF in manual position. It shall be of fail-safe type and shall have inherent time delay to prevent spurious operation. The contact rating shall be minimum 5 Amp and suitable for the specified supply voltage. The threshold rating shall be in between 0 and 20 lux. The control shall switch ON at twilight.
The photocell enclosure shall be supplied with two IS0 metric type cable entries suitable for the cable size specified in the single line diagram. The photocell shall turn OFF at 1.5 times greater than the turn ON light level.
Photocell enclosure shall be certified for hazardous area with IP 65.
7.4.17 IEC Clause 8.5.3 Selection of Switching Devices and Components – Instrument & Meters
Distribution board shall be provided with Ammeters and Voltmeters for all incomers and higher rated outgoing feeders as indicated in the SLD.
All meters and indicators shall be flush mounted. The electrical indicating instruments shall be 240ºC scale. Minimum size shall be 72mm x 72mm size of metering instruments. Accuracy class shall be class 3.0.
All voltage circuits to instruments shall be protected by MCB.
All indicating instrument scales shall be clearly readable, divided and indelibly marked.
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ADNOC Classification: Internal
7.4.18 IEC Clause 8.5.6 Barriers
The Distribution Board shall be factory build assembly free standing or wall/bracket mounted type, metal enclosed fixed type, Form 2b or Form 4a as per IEC 61439. However, based on ampere rating, the distribution boards shall be classified as follows:
Current rating
Applications
Incomer/ Outgoing
Form of Construction
Up to 125A
Wall mounted
MCCB / MCB
Form-2B Type 2
to Above 125A up 630A/ Process Units loads like MOV DBs
Floor/ Rack Mounted
MCCB
Form-4A
Components mounted inside and all terminals shall provide at least IP20 protection for safety of personnel when the doors are opened for maintenance or operation access or for termination of cables.
7.4.19 IEC Clause 8.5.8 Indicator Lights and Pushbuttons
All indicating lamps shall be of LED cluster type easily replaceable from the front. They shall be provided
with translucent lamp covers of colors Red' Green’, and `Amber’ complying with IEC 60073. Lamp tests
pushbuttons shall be provided.
7.4.20 IEC Clause 8.6.1 Main Circuits
The main bus bar shall be fully rated along its entire length.
The distribution board shall be designed as a single bus bar system. Where bus couplers are detailed on the data sheet, these shall be capable of electrical connection of buses via an interlocking system
The neutral bus bar shall have the same cross-sectional area as the phase bus bar.
Bus bars shall be of the same cross-sectional area throughout the length of the switchgear.
Bus bars shall be made of hard drawn high conductivity copper. For offshore locations tined copper shall be used for both outdoor and indoor locations. For onshore locations bare copper shall be used for indoor and tinned copper for outdoor.
The bus bars shall be fully insulated unless otherwise defined in the data sheet.
All bolted connections shall be
Silver or tin plated.
Made with high tensile strength bolts.
Secured against loosening.
i.
ii.
iii.
Insulating caps shall be provided for all connections, which can be removed for inspection and maintenance.
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ADNOC Classification: Internal
7.4.21 IEC Clause 8.6.5 Identification of the Conductors of Main and Auxiliary Circuits
a. Functional grouping, voltage levels and discrete terminals shall be identified by labels.
b.
Identification of the conductors of main and auxiliary circuits: Alphanumeric notation, generally in accordance with IEC 60445 shall be used for identification and marking of phases, conductors and terminals.
7.4.22 IEC Clause 8.7 Cooling
Only Air natural cooling shall be applied for distribution board assemblies.
7.4.23 IEC Clause 8.8 Terminals for External Conductors
Power Cable Terminations:
a. The type and size of the cables will be advised by the COMPANY or CONTRACTOR as defined in the circuit schedule. Only one conductor shall be connected to each terminal; additional linked terminals shall be provided where more connections are required.
b. The supplier shall size the terminals in line with the cable size requirements.
c. Pre-drilled removable gland plates shall be supplied as stated in the data sheet.
d. All cable entries shall be bottom entry unless otherwise stated on the data sheet. All connections to incoming and outgoing cables shall terminate in terminal block mounted at least 150 mm above the gland plate. Spare cables/wires shall be terminated on designated power/control terminals and no loose cables/wires shall be bunched within the Distribution Board.
7.4.24 Wiring and Terminals:
a. All wiring shall be clearly identified at both ends by individual non-ambiguous characters using barrel type ferrules. Where a wire terminates with a different number from that on the terminal, the wire shall have double numbering.
b. All wires are to be fitted with a double crimp sleeve or bootlace ferrule prior to termination. c. All distribution board wiring shall be within the minimum bend radius requirements and suitable
clipped to prevent chaffing etc. of the insulation in service. d. Clamp type terminal blocks shall be used whenever possible.
IEC Main Clause 9.0 Performance Requirements
7.5.1
IEC Clause 9.3 Short-circuit Protection and Short-Circuit Withstand Strength
Distribution board design should have been type tested as per IEC 61439-1 for the verification of the short circuit current and duration specified in the data sheets. A copy of the type test report shall be provided with the quote.
7.5.2
IEC Clause 9.4 Electromagnetic Compatibility (EMC)
EMC environment shall be Environment A unless otherwise defined in the data sheet.
ADDITIONAL SPECIFIC REQUIREMENTS
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ADNOC Classification: Internal
Material of Construction
Enclosure for outdoor or classified Distribution Boards shall be made of UV protected GRP or stainless steel SS316L. Enclosure made with non-metallic materials (flame retardant anti-static) shall have proven mechanical characteristics. Aluminum and aluminum alloy enclosures are not acceptable.
The height of enclosure shall not exceed 2000mm and operating height of the equipment shall not exceed 1600mm from the finished floor level for all free-standing floor mounted Distribution Boards.
Drawing pockets shall be provided minimum A3 size.
Hazardous Area Requirements
The indoor located distribution board assembly shall be suitable for installation in a non-hazardous area as defined in IEC 60079-10, 3.3.2.
Where it is necessary to install distribution board assembly in hazardous area, it shall be Ex-de enclosures. All electrical and isolation components shall be in the Ex-d compartment and the cable termination to the field shall be in Ex-e compartment.
The DB shall be certified for installation in hazardous area Zone-1 and Zone-2 as applicable with gas group IIB and temperature class T3 as a minimum.
A caution Label shall be provided with the following inscription:
‘ISOLATE ELSEWHERE BEFORE OPENING’
Refer to AGES-GL-02-001 for additional requirements.
Instrument Transformers
Current transformers shall be bar type and shall comply with IEC 61869-2:2012.
Current transformers shall be provided in accordance with the single line diagram and data sheet.
The selection of appropriate class of protection CT shall remain the responsibility of the VENDOR. The VENDOR shall size the CT to ensure correct operation of the protection equipment and provide a spare capacity of at least 25% and shall provide calculations to justify the selection.
The short-time current rating of CTs shall be, as a minimum, equal to that of the let-through current of the main circuit protective device.
Unless otherwise stated, the minimum accuracy classes shall be:
Class 1 for incoming feeders
Class 3 for outgoing feeders
The secondary current rating of the CTs shall be 1A.
Secondary windings of each CT shall be earthed at one point only.
Shorting terminals for current transformers shall be provided for all terminals.
Current transformer nameplates shall be fixed in a position so that details can easily be read when fitted in the cubicle.
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Anti-Condensation Heaters
Each assembly section of enclosures shall be equipped with anti-condensation heaters.
The capacity of heaters shall be sufficient to prevent the formation of possible condensation under the service conditions.
Anti-condensation heaters shall:
a. Have IP 2X protection b. Be fitted with a guard.
Anti-condensation heaters shall be controlled by hygrostats.
Each heater circuit shall be provided with a manually controlled cut off switch.
Provision for Future Development
Unless defined otherwise in the data sheets, 20 % spare outgoing feeders including at least one of each rating and type of outgoing feeders shall be provided.
In addition, a 10% free unequipped space provision for future functional units for outgoing circuits shall be provided. (Note-1)
For Distribution boards with more than one bus section:
i.
20% spares of the total installed feeders on each bus section, with minimum one spare for each rating and type of outgoing feeders on each bus section,
ii. 10% space to cater the unforeseen changes or future requirements (Note-1).
(Note-1): As a general guideline, space for mounting 10% of the number of each size of the outgoing feeders for which at least 3 units have been installed shall be provided.
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SECTION C – OTHER REQUIREMENTS
DETAILS OF SCOPE SUPPLY
The scope of supply of shall include:
Detailed design.
Supply of materials.
Factory and site inspection and testing.
Documentation including certification.
Installation, commissioning and start-up assistance; where specified in the requisition.
Spare parts for 2 years operation.
Refer to the project requisition document for detailed requirements.
QUALITY CONTROL AND ASSURANCE
Equipment shall only be purchased from SUPPLIER approved by ADNOC Category Management. This approval indicates that the SUPPLIER has an approved Quality management system and a proven track record in supply of this type of equipment.
SUB-CONTRACTORS, SUB-SUPPLERS
The SUPPLIER shall assume unit responsibility and overall guarantee for the equipment package and associated equipment.
The SUPPLIER shall transmit all relevant purchase order documents including specifications to his sub- supplier and sub-contractors.
It is the SUPPLIER’S responsibility to enforce all purchase order and specification requirements on his sub- supplier and sub-contractors.
The SUPPLIER shall submit all relevant sub- supplier and subcontractor drawings and engineering data to the CONTRACTOR.
The SUPPLIER shall obtain and transmit all sub-supplier and subcontractor’s warranties to the CONTRACTOR/COMPANY, in addition to the system warranty.
MATERIAL CERTIFICATION
Not applicable.
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ADNOC Classification: Internal
INSPECTION AND TESTING REQUIREMENTS
General
Before leaving the SUPPLIER’S works, each item of equipment shall be inspected and tested in accordance with the relevant standards as listed in Section A of this specification.
The SUPPLIER shall provide an Inspection and Testing Plan (ITP) at least 8 weeks’ notice prior to the testing date.
The ITP shall be submitted for review and acceptance by the COMPANY and include Witness and Hold points in the programme for SUPPLIER, CONTRACTOR, and the COMPANY.
The COMPANY/CONTRACTOR or his nominee shall inspect the equipment and witness the required tests indicated in the Requisition at the time the equipment is offered for final inspection.
A detailed test procedure of factory tests shall be submitted at least 3 months in advance of any testing, detailing the proposed inspection, testing and witness testing programme throughout the design and build of the equipment.
Test certificates for each item of equipment shall be submitted prior to delivery for COMPANY acceptance.
Tests Reports
Test reports in accordance with the relevant IEC standards including the following shall be submitted to COMPANY.
i.
The design values.
ii. The tolerance values.
iii. The real values as measured, including, if any, the intermediate values causing provisional refusal.
SUPPLIER shall compile the records of all inspections and tests including routine tests and special tests in one document and shall submit as part of technical documentation.
Type Tests
SUPPLIER shall submit the type test certificates for each item of equipment for tests as required in the applicable IEC standards
Circuit breakers shall be type tested in accordance with IEC 60947-2.
Type test certificates shall be submitted with the bid.
Test certificates shall be from an internationally recognised, independent testing authority, and shall be subject to Company acceptance.
Design Verification
The following tests shall be conducted at the MANUFACTURER’S works in accordance with the standards specified in Section 2.0 of this specification and witnessed by the CONTRACTOR or his appointed representative:
Insulation resistance (Phase-Phase, Phase-Neutral, Phase-Earth)
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Phasing and continuity tests to ensure and demonstrate that circuits are as stated in the data sheets
Earthing bar, panel and structure earthing continuity tests
Operational physical check of all switches, circuit breaker doors and catches, etc.
The order in which the tests take place shall be agreed upon with the CONTRACTOR before commencement.
Certified test reports of all tests shall be provided.
Routine Tests
a. Routine verification tests shall be carried out in accordance with the IEC 61439-1 and IEC 61439-2.
b. Routine tests on components shall be carried out as per the relevant IEC standards.
c. Routine tests for the distribution board assembly shall include but not be limited to the following:
i. Degree of protection of enclosures.
ii. Clearances and creepage distances.
iii. Protection against electric shock and integrity of the protective circuits.
iv.
Incorporation of built-in components.
v.
Internal electrical circuits and connections.
vi. Terminals for external conductors.
vii. Mechanical operation.
viii. Wiring, operational performance and function.
ix. Visual inspections.
x. Mechanical checks.
xi. Electrical checks.
xii. Dielectric test.
xiii. Routine verification of insulation resistance.
d. Full functional tests including proving of interlocking, operating mechanisms, and limit switches,
ancillary devices, etc.
e. Conformity of tags, labels, wires, and terminals markings.
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ADNOC Classification: Internal
SPARE PARTS
a. The SUPPLIER shall propose:
i. A list of commissioning spare parts.
ii. A list of 2 years operation spare parts.
iii. A list of special tools required for erection, commissioning, and maintenance.
b. Special tools required for erection, commissioning and maintenance shall be shipped together with
the distribution board assembly.
Each spare part shall be separately packed and clearly identified for storage management.
PAINTING, PRESERVATION AND SHIPMENT
Painting
Surface preparation and painting shall be in accordance with the COMPANY standard, AGES-SP-07- 004 Painting and Coating Specification.
Alternatively, MANUFACTURER may propose the standard for enhanced protection against corrosion in outdoor climates. The paint system applied shall provide adequate protection against the adverse effects of the climatic conditions specified. Full details of SUPPLIER’s painting specification shall be provided with the proposal for COMPANY approval.
The equipment shall be fully tropicalized.
Colour shade shall be grey, RAL7035.
Shipment
MANUFACTURER standard packing shall be acceptable unless otherwise stated in the COMPANY’s preservation and export packing procedure and on data sheet. Installation of impact recorders on individual packing boxes and containers shall be included.
COMMISSIONING
The requirements of commissioning shall be included in the requisition document.
TRAINING
The requirements of commissioning shall be included in the requisition document.
DOCUMENTATION / MANUFACTURER DATA RECORDS
General
a. SUPPLIER/ MANUFACTURER shall submit the type and number of drawings and documentation for CONTRACTOR’S authorization or information as listed in the Material Requisitions and Purchase Orders.
b. Schedule of documents and data submittal shall be as agreed in the purchase order.
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c. Comments made by CONTRACTOR on drawing submittal shall not relieve the SUPPLIER/ MANUFACTURER of any responsibility in meeting the requirements of the specifications. Such comments shall not be construed as permission to deviate from requirements of the Purchase Order unless specific and mutual agreement is confirmed in writing.
d. Each drawing shall be provided with a block in the bottom right-hand corner incorporating the following
information:
i. Official trade name of the SUPPLIER/ MANUFACTURER.
ii. SUPPLIER’S/ MANUFACTURER’S drawing number.
iii. Drawing title giving the description of contents whereby the drawing can be identified.
iv. A symbol or letter indicating the latest issue or revision.
v. Purchase order number and item tag numbers.
e. Revisions:
i. Document and drawing revisions shall be identified with symbols adjacent to the alterations.
ii. A brief description of each revision shall be given in tabular form.
iii.
If applicable, the authority and date of the revision shall be listed. The term “Latest Revision” shall not be used.
f. All documents shall show the relevant order number, item tag numbers and SUPPLIER’S references
and shall be distributed as specified in the purchase order documents.
g. Graphic symbols for electrical diagrams shall be according to IEC 60617-DB. Device code numbers
shall be as per ANSI C-37.2 -1996.
h. All documents and drawings shall be in English.
i.
Installation, operating and maintenance manuals shall be arranged as follows:
i. The front cover, spine and inside page shall state the purchase order number and SUPPLIER’S
reference number.
ii. The inside front page shall carry an index listing the contents of each section of the manual.
iii.
Individual sections shall be completed and shall refer to the equipment actually supplied.
iv. Published data shall also be included, including published data for bought-in items.
v. Full detail for installation setting up shall be included.
vi. Recommended test data shall be stated, covering initial and also regular testing shall be given.
For example, high voltage AC or DC test values.
vii. Items requiring regular inspection, checking, testing and maintenance shall be listed, and the time
scale clearly indicated.
viii. Important items shall be cross referenced to other part of the manual as necessary.
ix. Fault finding chapter shall be included.
x. As built panel and interconnection wiring diagrams.
xi. CD ROM for programming protection relays.
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xii. Parts and equipment lists.
Deliverables
Unless otherwise stated in the inquiry/order documents, the SUPPLIER shall at least supply the following documents. The language used shall be ENGLISH.
18.2.1 With Bid
a. Preliminary single-line diagram.
b. Preliminary general arrangement and floor plan drawings.
c. Minimum clearances around the assemblies for ventilation and safety during operation and
maintenance.
d. Type Test Certificates. Test values shall be furnished with test certificates.
e. Filled-up data sheet as per Company format.
f.
List of clarifications/deviations from the Specifications.
g. Proposed suppliers for main components (breakers, CTs, PTs and protection relays).
18.2.2 After Placement of Order
a. Single-line diagram.
b. Wiring schematic and termination dagrams
c. General Arrangement Drawings
d. Cable entry details
e. Name plate details
f.
Total mass of the assembly and of the individual shipping sections.
g. Minimum clearances around assembly for ventilation and safety during operation and maintenance.
h. List of spare parts (commissioning, insurance & two years operations).
i.
Test report of the final routine testing. Test values shall be furnished with test certificates.
j. Data sheet.
k. Heat dissipation data.
l. Bill of materials with ratings and makes of components.
m.
ITP
n. FAT procedures.
o. Hazardous area conformity certificate, as applicable
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GUARANTEES AND WARRANTY
The requirements of guarantees and warranty shall be included in the requisition document.
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ADNOC Classification: Internal
SECTION D – STANDARD DRAWINGS & DATASHEETS
DATASHEET TEMPLATES
LATER
STANDARD DRAWINGS
.LATER
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Project: Q-32859 - NMDC - Ruwais Folder: RFQ Files