STANDARDS PUBLICATION
KOC RECOMMENDED PRACTICE FOR INSTALLATION OF OPTICAL FIBRE CABLE DOC. NO. KOC-T-008 (Rev.2)
STANDARDS TEAM
DOC. NO. KOC-T-008
Page 1 of 57
REV. 2
STANDARDS PUBLICATION
KOC RECOMMENDED PRACTICE FOR INSTALLATION OF OPTICAL FIBRE CABLE DOC. NO. KOC-T-008
STANDARDS TEAM
DOC. NO. KOC-T-008
Page 1 of 57
REV. 2
STANDARDS PUBLICATION
KOC RECOMMENDED PRACTICE FOR INSTALLATION OF OPTICAL FIBRE CABLE DOC. NO. KOC-T-008
STANDARDS TEAM
DOC. NO. KOC-T-008
Page 3 of 57
REV. 2
TABLE OF CONTENTS PAGE NO.
I2I
FOREWORD
6
1.0
SCOPE
7
2.0
APPLICATION
7
3.0
TERMINOLOGY 3.1 Definitions 3.2 Abbreviations
7 7 9
4.0
REFERENCE CODES AND STANDARDS 4.1 Conflicts 4.2 List of Standards, Codes and Specifications
11 11 12
5.0
ENVIRONMENTAL ENVIRONMENTAL CONDITIONS
15
6.0
SERVICE CONDITIONS
15
7.0
HEALTH, SAFETY AND ENVIRONMENT ENVIRONME NT
15
8.0
HAZARDOUS AREAS 8.1 Classification Classifi cation of Hazardous Areas 8.2 Hazardous Area Certification Certifi cation
16 16 16
9.0
OPTICAL FIBRE CABLE INSTALLATION PREREQUISITES 9.1 General Requirements 9.2 Installation Prerequisites Prerequisites 9.3 EOD Clearance 9.4 Preliminary Survey Report (PSR) 9.5 Detailed Survey Report (DSR) 9.6 Installation Plan / Schedule 9.7 Workmanship 9.8 Material and Machinery 9.9 Splicing Schedule and Optical Power Budget Calculation 9.10 Optical Fibre Cable Testing Schedule
17 17 17 18 18 18 20 21 22 22 22
10.0
CABLE TRENCHING AND EXCAVATION WORKS 10.1 Excavation of Trench 10.2 Road Crossings 10.3 Backfilling Works
22 22 24 25
11.0
HANDHOLES AND MANHOLES
26
12.0
MAIN DUCTS, SUB-DUCTS AND ACCESSORIES 12.1 High-Density Polyethylene (HDPE) Ducts 12.2 Unplasticised Polyvinyl Polyvinyl Chloride (UPVC) Ducts 12.3 HDPE Sub-Ducts 12.4 Accessories Accessories for Main Duct and Sub-Duct
28 28 29 29 30
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13.0
INSTALLATION INSTALLATION OF MAIN DUCTS AND SUB-DUCTS
31
I2I
14.0
INSTALLATION INSTALLATION OF OPTICAL FIBRE CABLE 14.1 General Installation Requirements 14.2 Specific Installation Requirements - Ducted Method 14.3 Specific Installation Requirements - Direct Buried Method
33 33 36 37
15.0
SPLICING AND TERMINATION OF OPTICAL FIBRE CABLE
38
16.0
EARTHING
40
17.0
NAMEPLATES AND TAGGING 17.1 General 17.2 Route Marker / Joint Marker 17.3 Warning Tape 17.4 Electronic Ball Marker 17.5 Cable Identification Tag 17.6 Cable Tiles
40 40 41 41 42 42 43
18.0
INSPECTION INSPECTI ON AND TESTING 18.1 General 18.2 Pre-Installation Testing (PRIT) / Drum Testing 18.3 Optical Fibre Cable Testing During Installation 18.4 Post-Installation Testing (POIT) 18.5 Site Acceptance Acceptance Test (SAT)
43 43 43 44 44 44
19.0
QUALITY ASSURANCE
45
20.0
MATERIAL STORAGE AND HANDLING
45
21.0
PACKING, MARKING AND DOCUMENTATION 21.1 General 21.2 Documentation 21.3 Deliverables
46 46 46 46
22.0
SPARE PARTS AND MAINTENANCE DATA
47
23.0
APPENDICES
48-55
APPENDIX - I I2I
APPENDIX - II
TAGGING PHILOSOPHY FOR OPTICAL FIBRE CABLE AND ACCESSORIES
49
VARIOUS TYPES OF HANDHOLES / MANHOLES ENVISAGED FOR INSTALLATION IN THE OFC ROUTE (TYPICAL)
53
APPENDIX - III OFC ROUTE MARKER / JOINT MARKER (TYPICAL)
54
APPENDIX - IV OFC TRENCH AND SRC CONCRETE TILE DETAILS (TYPICAL FOR GUIDANCE)
55
ACKNOWLEDGEMENT
56
DOC. NO. KOC-T-008
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REV. 2
Revision Table: LIST OF MAJOR AMENDMENTS IN REV. 2 Sl. No.
Clause No.
1
Foreword
2
Terminology
Changes Foreword is updated. Definitions & Abbreviations updated. Sub-Clause 4.2.1: IEC Standard title updated.
3
4.0
New Sub-Clause 4.2.2: National Standards added. Sub-Clause 4.2.3: KOC Standard list updated. Sub-Clause 4.2.4: Drawing list updated.
4
5.0
Environmental Conditions updated.
5
7.0
6
9.0
7
10.0
8
11.0
9
12.0
10
13.0
11
14.0
Sub-Clauses 7.5, 7.6 & 7.7 revised. Sub-Clauses 9.4.3 revised & New Sub-Clause 9.6.5 added. Sub-Clauses 10.1.3, 10.2.3, 10.2.4, 10.3.1, 10.3.2, & 10.3.3 revised; New Sub-Clauses 10.1.4 & 10.2.1 added. Cl. 12.0 moved to Clause 11.0; Contents revised & realigned; new Sub-Clauses 11.1 & 11.10 (c) added. Cl. 11.0 moved to Clause 12.0; Title modified; Contents realigned and new Sub-Clauses added. New section 12.2 for UPVC ducts added. Table-1 and Table-2 deleted. Title modified; Contents realigned and new Sub-Clauses added. Main & Sub Titles modified; Contents realigned and new Sub-Clauses added. New sections 14.3 for “Direct Buried” installation of OFC added.
12
16.0
Sub-Clause 16.1 revised. New Sub-Clause 16.2 added.
13
17.0
New Sub-Clause 17.2.5 added.
14
18.0
Sub-Clause 18.4.1 revised.
15
19.0
New Sub-Clause 19.3 added.
16
Appendices
Appendix - II Conceptual Drawing of Handholes / Manholes envisaged for Installation in the OFC Route (Typical) modified. Appendix - III Route Marker Drawing modified. Appendix - IV OFC Trench Drawing modified.
17 18
Acknowledgement Acknowledgement updated. General
Where review / approval required, KOC Controlling Team / CITG included.
Remarks
DOC. NO. KOC-T-008 FOREWORD
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REV. 2
I2I
This document “KOC Recommended Practice for Installation of Optical Fibre Cable” (KOC-T-008 Rev. 2) is intended to provide the minimum requirements for installation of Optical Fibre Cable at various KOC Facilities in Kuwait. The earlier document KOC-T-008 Rev. 1 has been revised for incorporation of field requirements / amendments proposed by Corporate Information Technology Group (CITG), KOC. This Recommended Practice (Rev. 2) has been approved by the Standards Team in consultation with the Standard Technical Committee (STC) for use throughout the Engineering and Operational Functions of Kuwait Oil Company (K.S.C.). This Recommended Practice sets out to achieve the following objectives: a)
To provide technical guidance and establish the base document for developing project specification for the Installation of Optical Fibre Cable with a view to achieve uniformity, quality, reliability and efficiency in an economical manner,
b)
To set out minimum features required for the Installation of Optical Fibre Cable System, including cable route establishment, laying, splicing, testing etc.,
c)
To maintain the KOC requirements of safety and protection to plant, personnel and environment, established by KOC Health, Safety & Environment Management System (HSEMS) including the Process Safety Management (PSM) requirements.
Feedback as well as any comments or suggestions derived from the application of this Recommended Practice at any stage of installation, testing or operation of Optical Fibre Cable networks are invited and should be directed to: Team Leader Standards (Chairman, Standards Technical Committee) Projects Support Services Group, K. O. C. P.O. Box-9758, Ahmadi-61008 State of Kuwait Task Force Responsible for Revision of this Recommended Practice: The revision of this Recommended Practice (KOC-T-008) has been entrusted by Standards Technical Committee to the Task Force (TF-T/04) comprising of the following Members: Mr. Mohammad Al-Ajmi
C & N Team
Task Force Leader
Mr. A. Unnikrishnan
Standards Team
Member / Coordinator Tel. No. 61633
Mr. P. RaghuRama Raju
Standards Team
Member
Tel. No. 61147
Mr. Prabhakaran K.
Standards Team
Member
Tel. No. 61872
Mr. K. Karthikeyan
Tech. Systems Team
Member
Tel. No. 69022
Mr. Justin Kennedy
PMC - AMEC
Member
Tel. No. 61049
Mr. Jitendra Mishra
PMC - Worley Parsons Member
Tel. No. 63191
Mr. Jaime P. Salvador Jr. PMC - Fluor
Member
Tel. No. 69009
Tel. No. 61688
DOC. NO. KOC-T-008
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REV. 2
1.0
SCOPE
1.1
This Recommended Practice provides the minimum requirements for installation of Optical Fibre Cable (OFC) and accessories for establishing the Optical Fibre Cable Network for various applications at KOC Facilities.
1.2
This document also provides the guidelines for splicing, termination and testing of Optical Fibre Cables.
1.3
This document does not cover the details for installation of Aerial and Sub-Sea / Submarine Type Optical Fibre Cables.
2.0
APPLICATION
2.1
The installation methods / practices of Optical Fibre Cables shall comply with all the relevant requirements specified in this Recommended Practice and the reference Standards / Codes mentioned herein.
2.2
Any exceptions or deviations from this document, along with their merits and justifications, shall be brought to the attention of KOC's Controlling Team and Corporate Information Technology Group (CITG) for their review, consideration and amendment by Standards Team (if required).
2.3
Compliance with this KOC Recommended Practice does not of itself confer immunity from legal or statutory obligations.
3.0
TERMINOLOGY
3.1
Definitions
I2I
For the purpose of this Recommended Practice, the following definitions apply: 3.1.1
Backbone Duct Route (BBDR) Duct routes established between Two (2) Telecom Rooms of different Facilities for installing Inter-Facility OFC.
3.1.2
Consultant Consultant is a professional or group of professionals from any consulting firm approved by KOC who provides expertise / advice in a particular specialised field (Optical Fibre Cable Network Design and Installation works etc.).
3.1.3
Distribution Network Duct Route (DNDR) Duct routes established between various buildings within a Facility for distributing the OFC.
DOC. NO. KOC-T-008 3.1.4
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REV. 2
Duct Route Main ducts with necessary coupler and other accessories formed to provide long and continuous route for OFC installation.
3.1.5
Facility Facility refers to all manned and unmanned Operational / Non-Operational areas of KOC (e.g.: Gathering Centers, Booster Stations, Control Centers, Substations, Administrative Offices / Buildings, Tank Farms, Manifolds, RTU sites like Valve Pit / Drip Barrel / Pig Launcher / Receiver sites etc.).
3.1.6
Handhole (HH) A RCC rectangular structure constructed with specific details used for the purpose of Optical Fibre Cable pulling, splicing and termination etc.
3.1.7
Inter-Facility OFC Route Optical Fibre Cable (OFC) Routes established between KOC Facilities.
3.1.8
Intra-Facility Duct Route Duct Route established from the Facility Entrance Handhole / Manhole (FEHH / FEMH), via. Building Entrance Handhole / Manhole (BEHH / BEMH) upto the Entry Point of the building containing Telecom Room where the Optical Fibre Cable is terminated and duct routes established between Telecom Room & other buildings inside the Facility for distribution of LAN & Telephone Cables.
3.1.9
KOC Controlling Team The KOC Team authourised and responsible for the execution and overall control of the Project for the Installation of Optical Fibre Cable Network in KOC.
3.1.10
Manhole A RCC rectangular structure, larger than handhole, constructed with specific details used to pull multiple cables, accommodate multiple splice closures and store large spare coils.
3.1.11
Optical Power Budget The Optical Power Budget in an Optical Fibre Communication link (for checking the performance of the installed optical fibre link) is a measure of maximum attenuation of the link taking into consideration all loss producing mechanisms such as fibre attenuation, splice loss, connector loss and the maintenance margin.
DOC. NO. KOC-T-008 3.1.12
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Skilled / Competent Person A person with relevant technical education, knowledge and experience which enable him or her to execute the assigned tasks, say, installation and testing of OFC and accessories, in line with the requirements of project specification.
3.1.13
Telecom Room Enclosed, secured space for housing telecommunication equipment and cable terminations.
3.2
Abbreviations For the purpose of this Recommended Practice, the following abbreviations apply: BBDR
Backbone Duct Route
BEHH
Building Entrance Handhole
BEMH
Building Entrance Manhole
BS
Booster Station
CITG
Corporate Information Technology Group (KOC)
dB
Decibel
DCHH
Direction Changing Handhole
DIN
Deutsches Institut Für Normung (The German Institute for Standard)
DNDR
Distribution Network Duct Route
DRHH
(Cable) Damage Repair Handhole
DSR
Detailed Survey Report
DWC
Double Wall Corrugated
EOD
Explosive Ordnance Disposal
FDP
Fibre Distribution Panel
FEHH
Facility Entrance Handhole
FEMH
Facility Entrance Manhole
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GC
Gathering Center
HDPE
High-Density Polyethylene
HSE
Health, Safety and Environment
HSEMS
HSE Management System
H2S
Hydrogen Sulphide
IEC
International Electrotechnical Commission
IMHH
Intermediate Handholes
IMP
Infrastructure Master Plan
IP
Ingress Protection
ISO
International Organization for Standardization
ITU
International Telecommunications Union
JSA
Job Safety Analysis
KNPC
Kuwait National Petroleum Company
KOC
Kuwait Oil Company (K.S.C.)
LAN
Local Area Network
LSZH
Low Smoke Zero Halogen
MEW
Ministry of Electricity & Water
MOC
Ministry of Communications
MPW
Ministry of Public Works
MSHH
Mid-Span Handhole
µm
Micrometre
nm
Nanometre
OFC
Optical Fibre Cable
OTDR
Optical Time Domain Reflectometer
PAI
Public Authority for Industry (Kuwait)
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POIT
Post-Installation Testing
PPE
Personal Protective Equipment
PRIT
Pre-Installation Testing
PSM
Process Safety Management
PSR
Preliminary Survey Report
PTW
Permit to Work
RCC
Reinforced Cement Concrete
RCHH
Road Crossing Handhole
REHH
Route Extension Handhole
ROW
Right of Way
RP
Recommended Practice
RTU
Remote Terminal Unit
SAT
Site Acceptance Test
SC
Standard Connector
SRC
Sulphate Resistant Cement
SSHH
Spur-Cable Splice Handhole
TIA
Telecommunications Industry Association
UPVC
Unplasticised Polyvinyl Chloride
UTM
Universal Transverse Mercator
UV
Ultra-Violet
4.0
REFERENCE CODES AND STANDARDS
4.1
Conflicts In the event of conflict(s) between this Recommended Practice (RP) and the Standards / Codes, Specifications referred herein, or other technical, purchase / contractual requirements specified in the project document, the subject shall be brought to the attention of KOC’s Corporate Information Technology Group (CITG) through KOC Controlling Team for resolution.
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List of Standards, Codes and Specifications
REV. 2 I2I
The installation, testing and commissioning of Optical Fibre Cable (OFC) shall conform, except where otherwise specified, to the current issues and amendments of the applicable Codes, Standards and Specifications, including but not limited to the following: 4.2.1
International Standards IEC 60617 Database Snapshots
Database Snapshot - Graphical Symbols for use on Equipment
IEC 61280 (Various Parts)
Fibre Optic Communication Subsystem Test Procedures
IEC 61300 (Various Parts)
Fibre Optic Interconnecting Devices and Passive Components - Basic Test and Measurement Procedures
IEC 61386 Parts 1 & 24
Conduit Systems for Cable Management
IEC TR 62316
Guidance for the Interpretation Backscattering Traces
ISO/IEC 11801
Information Technology - Generic Cabling for Customer Premises
ITU-T L.12
Optical Fibre Splices
ITU-T L.35
Installation of Optical Fibre Cables in the Access Network
ITU-T L.38
Use of Trenchless Techniques for the Construction of Underground Infrastructures for Telecommunication Cable Installation
ITU-T L.57
Air Assisted Installation of Optical Fibre Cables
ITU-T G.651.1
Characteristics of a 50/125 µm Multi-Mode Graded Index Optical Fibre Cable for the Optical Access Network
ITU-T G.652
Characteristics of a Single-Mode Optical Fibre and Cable
ITU-T G.655
Characteristics of a Non-Zero Dispersion-Shifted, Single-Mode Optical Fibre and Cable
of
Basic
OTDR
DOC. NO. KOC-T-008
4.2.2
4.2.3
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ITU-T G.671
Transmission Characteristics Components and Subsystems
of
Optical
TIA-568-C.1
Commercial Building Telecommunication Cabling Standard
TIA-607-B
Generic Telecommunications Bonding Grounding (Earthing) for Customer Premises
National Standards
I2I
DIN 8061
Unplasticized Polyvinyl Chloride (PVC-U) Pipes General Quality Requirements and Testing
DIN 8062
Unplasticized Polyvinyl Chloride (PVC-U) Pipes Dimensions
DIN 8074
Polyethylene (PE) - Pipes PE 80, PE 100 Dimensions
DIN 8075
Polyethylene (PE) Pipes - PE 80, PE 100 - General Quality Requirements, Testing
DIN 16842
Polyethylene (PE) Pipes - PE-HD for Pressureless Applications - General Quality Requirements, Dimensions and Testing
MOC (Kuwait) STD. No.: G 20:10:001:32
Technical Standard for Materials - PVC Ducts, Bends, Coupling and Bonding Materials and Spacers
MOC (Kuwait) STD. No.: G 20:10:001:40
Technical Standard for Materials Sub-Ducts and Accessories
-
and
HDPE
KOC Standards, Recommended Practices and Other Codes I 2 I KOC-E-004 Pt.1-6
KOC Recommended Practice Installation and Maintenance Equipment in Hazardous Areas
KOC-G-002
KOC Standard for Hazardous Area Classification
KOC-G-004
KOC Standard Documentation
KOC-G-007
KOC Standard for Basic Design Data
KOC-G-009
KOC Standard for Spare Parts and Maintenance Data
for
Packing,
for of
Selection, Electrical
Marking
and
DOC. NO. KOC-T-008
4.2.4
4.2.5
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KOC-I-002
KOC Standard for Instrument Installation
KOC-Q-014
KOC Standard for Project QA/QC Requirements
KOC-T-001
KOC Recommended Practice for Telecommunication and Local Area Network (LAN) Infrastructure for Buildings
KOC-T-006
KOC Standard for Optical Fibre Cables
KOC STD 381 / 13
Standard Requirements and Regulations for the Protection of KOC Services Part 1: Crossing of Roads and Motorways under Construction
KOC-EG-DO-C-001
KOC Engineering Drawing Practice Code
Drawings
I 2I
TX: 371/5A MOC (Kuwait)
In-situ and Precast Reinforced Concrete Handhole
TX: 347/9_1_R MOC (Kuwait)
S1 Type Manhole (Reinforced)
TX: 347/9A_1_R MOC (Kuwait)
S2 Type Manhole (Reinforced)
TX: 347/9_2_R MOC (Kuwait)
L1 Type Manhole (Reinforced)
TX: 347/9A_2_R MOC (Kuwait)
L2 Type Manhole (Reinforced)
TX: 347/9_3_R MOC (Kuwait)
T1 Type Manhole (Reinforced)
TX: 347/9A_3_R MOC (Kuwait)
T2 Type Manhole (Reinforced)
KOC Health, Safety & Environment Management System (HSEMS) KOC HSE Policy KOC HSEMS Guide KOC.EV.008
Waste Management Procedure
KOC.GE.028
HSE Training, Awareness and Continued HSE Learning Process
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KOC.PS.001
Process Safety Management (PSM) Manual
KOC.SA.004
Permit to Work Procedure
KOC.SA.010
Procedure for Personal Protective Equipment
KOC.SA.024
Job Safety Analysis (JSA)
KOC.SA.025
Procedure for Handling of Explosive Materials, Substances & EOD
KOC.SA.026
Excavation Safety Procedure
Other relevant and applicable KOC HSEMS Procedures 5.0
ENVIRONMENTAL CONDITIONS
I2I
5.1
The environmental conditions in Kuwait are severe and shall be considered carefully for the selection and installation of electrical equipment. Electrical equipment for outdoor installation shall be suitable for continuous operation at a desert location under high ambient temperature and humidity. The atmosphere shall be considered to be dusty, corrosive, may contain traces of Hydrogen Sulphide (H2S), SOx / NOx gases and airborne chemical contaminants.
5.2
For detailed design information regarding the environmental, site and utility supply conditions prevailing throughout the KOC Facilities, KOC-G-007 “KOC Standard for Basic Design Data” shall be referred.
6.0
SERVICE CONDITIONS All materials and accessories selected for Optical Fibre Cable Network shall be able to withstand the temperature range from -3οC to 70οC, unless otherwise specified in the project document. The OFC Network with all its accessories installed outdoor for Inter-Facility, Intra-Facility and Spur applications shall be suitable to the prevailing weather conditions and harsh oil f ield environment, as specified in Clause 5.0 of this RP.
7.0
HEALTH, SAFETY AND ENVIRONMENT
I2I
7.1
The Consultant / Contractor shall employ necessary Health, Safety & Environment (HSE) procedures to protect personnel, assets and environment during on-site field works.
7.2
All relevant HSE requirements of KOC Health, Safety & Environment Management System (HSEMS), including the Process Safety Management (PSM) requirements shall be adhered to while designing and installing the Optical Fibre Cable Network.
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7.3
Appropriate Permit to Work (PTW) with applicable Job Safety Analysis (JSA) document for the work to be carried out shall be prepared by the Consultant / Contractor and submitted to KOC Controlling Team for approval prior to commencement of work. The PTW and JSA documents shall address all relevant HSE requirements for the activities in line with the KOC HSEMS Procedures KOC.SA.004 “Permit to Work Procedure”, KOC.SA.024 “Job Safety Analysis (JSA) Procedure” and KOC HSE Policy, which shall be adhered to within KOC areas at all times.
7.4
All personnel utilised for the works shall have attended the awareness course(s) as per the “Matrix of Identified Categories of Personnel” described in the “HSE Training’ and “HSE Awareness” for Contractors’ employees and comply with the requirements of HSEMS Procedure KOC.GE.028 “HSE Training, Awareness and Continued HSE Learning Process”.
7.5
The detailed Project HSE Plan shall be prepared taking into consideration the relevant KOC HSEMS procedures. The HSE plan shall emphasise the health and safety aspects of personnel, safeguarding KOC property and the environmental impacts during the execution of various activities such as Site & Route Surveys, Excavation, Backfilling, Cable Handling, Cable Pulling etc. for installation of Optical Fibre Cable.
7.6
The personnel, including supervisors, carrying out site works shall be equipped with appropriate Personal Protective Equipment (PPE) and other safety measures during the execution of works identified by the job requirement and in line with the requirements of HSEMS Procedure KOC.SA.010 “Procedure for Personal Protective Equipment”.
7.7
The tools, equipment and machinery to be used for the project shall be periodically inspected and certified for safe use in all KOC Operational Areas.
8.0
HAZARDOUS AREAS
8.1
Classification of Hazardous Areas The classification of hazardous areas shall be based on the requirements of KOC-G-002 "KOC Standard for Hazardous Area Classification" and latest edition of relevant International / National Standards. For Hazardous Area Classification (HAC) of existing KOC Operating Facilities, KOC’s HAC drawings of the relevant Facility shall be referred.
8.2
Hazardous Area Certification
8.2.1
Any equipment to be installed in Hazardous Areas shall be certified for use in those areas by an accredited certification body of International recognition.
8.2.2
For details of Certification Bodies acceptable to KOC, relevant parts of KOC-E-004 "KOC Recommended Practice for Selection, Installation and Maintenance of Electrical Equipment in Hazardous Areas” shall be referred.
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8.2.3
The copies of relevant hazardous area certification documents shall be submitted to KOC Controlling Team / CITG for review and approval prior to installation.
9.0
OPTICAL FIBRE CABLE INSTALLATION PREREQUISITES
9.1
General Requirements The general guidelines to be followed prior to installation of Optical Fibre Cables (OFC) at various KOC Facilities are described in this Section. The various prerequisites / procedure to be followed for installation and testing of the OFC shall be submitted to KOC Controlling Team / CITG for approval.
9.2
Installation Prerequisites
9.2.1
All the details required for successful execution of the works shall be elaborated in the installation prerequisite documents in line with the guidelines provided in this Recommended Practice, which shall include but not limited to the following: a)
Obtaining EOD Clearance for proposed site(s) and the entire route(s) involved (as applicable),
b)
Survey Methodology of the Site(s) & Route(s) involved and submission of Preliminary & Detailed Survey Reports (PSR & DSR) and Drawings,
c)
Installation Plan and Schedule,
d)
Excavation and Backfilling Procedures,
e)
Bill of Materials (BOM) / Bill of Quantities (BOQ),
f)
Optical Fibre Cable (OFC) laying methodology and the list of equipment / tools to be used,
g)
Splice Plan with Splicing & Termination details and Optical Power Budget Calculation,
h)
Ducting and sub-ducting details,
i)
Cabinet Layout Drawings,
j)
Inspection and Testing Plan / Procedure,
k)
Tagging Philosophy for OFCs, Fibres, Splice Closures, FDPs and Handholes / Manholes,
l)
Details of Number Tags for OFCs & Splice Closures and Numbering of Splicing & Fibres,
DOC. NO. KOC-T-008
9.3
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m)
Details of Nameplates of Fibre Distribution Panels (FDPs), Cabinets, Handholes / Manholes, Cable Route Marker, Electronic Ball Marker, Warning Tape, Cable Identification Tags, Cable Tiles etc.,
n)
Model No, Make and Description of Electronic Ball Markers with proposed location of installation.
EOD Clearance Explosive Ordnance Disposal (EOD) clearance shall be obtained from KOC, prior to commencement of any survey work along the proposed cable route / new project sites. If any explosive substance is found in the project sites, the procedures mentioned in the HSEMS Procedure KOC.SA.025 “Procedure for Handling of Explosive Materials, Substances & EOD” shall be followed.
9.4
Preliminary Survey Report (PSR)
9.4.1
Preliminary survey of the sites and cable routes on the basis of the site layout, plot plan, route sketches, Pipeline Route Drawings and other associated requirements shall be carried out as specified in the project document.
9.4.2
Prior to commencement of the Works, all necessary clearances, work permits, Job Safety Analysis, relevant KOC drawings etc. shall be made available at the work spot. The personnel deployed shall be equipped with appropriate Personal Protective Equipment (PPE) and other safety measures as identified by the job requirements.
I 2 I 9.4.3
The Preliminary Survey Report (PSR) shall indicate details of proposed cable route with UTM coordinates of relevant zone(s), indicating the type and position / depth of existing Services which are found in the vicinity of the cable route and shall be submitted to KOC Controlling Team / CITG and KOC’s Infrastructure Master Plan (IMP - a unit of OTS Team S&EK) / any other competent authority of KOC for review and approval. Drawings shall be prepared to represent accurate details for placing the OFC / duct route, splicing / termination details of the cable etc.
9.4.4
If any route proposed in the PSR is found not available / suitable for the project by the IMP, resurvey shall be carried out and an alternative route shall be proposed for the approval of IMP.
9.5
Detailed Survey Report (DSR)
9.5.1
The detailed route and site survey shall be carried out after the Preliminary Survey Report (PSR) is approved by KOC Controlling Team / CITG, in order to determine accurate measurements for the purpose of installation of Optical Fibre Cable (OFC).
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9.5.2
Approval for Excavation as mentioned in HSEMS Procedure KOC.SA.026 “Excavation Safety Procedure” shall be obtained from competent authourities for making slit-trenches to find out the underground Services along the proposed cable route, in addition to the requirements mentioned in Sub-Clause 9.4.2 of this RP.
9.5.3
The cable corridor / route allotted for the project shall be strictly followed in order to avoid conflict with other projects under implementation / proposed for implementation in future. Due to unavoidable site conditions, if any cable route change is necessitated, an alternate route along with sufficient justification shall be submitted to KOC Controlling Team / CITG for review and approval.
9.5.4
All existing underground Facilities shall be located in order to assess the best centre-line of the OFC route to be established and the depth(s) of the new route(s) for installing OFC and anticipated points of crossing with other existing Services.
9.5.5
Underground Facilities shall be located by using suitable electronic and ultrasonic equipment together with slit trenching / test pits. Underground Facilities / Services shall be exposed by means of careful hand excavation and the type / kind of Services shall be identified with its dimensions, direction, depth and the possible impact on the installation of OFC.
9.5.6
Necessary precautions and safety regulations shall be strictly followed while exploring the buried Facilities, so that no damage and / or injury is caused to any of the existing Facilities or to the personnel involved in such activities.
9.5.7
The entire route, as notified / approved in the PSR, shall be meticulously studied and if any obstacles or hindrances involved in the excavation of route shall be ascertained. (e.g.: hard soil / rocky area, location of high underground water table and locations where heavy congestion of underground Services exists etc.).
9.5.8
The Detailed Survey Report (DSR) shall be submitted to KOC Controlling Team / CITG for review and approval, which shall include but not limited to the following: a)
Site Layout, Plot Plan, Route Sketches and Pipeline Corridor / Route Drawings,
b)
Drawings of the proposed cable route showing exact distance measurements,
c)
Drawings shall contain information on preferred route of Optical Fibre Cable with the centre-line, proper spacing and location of handholes / manholes, splices / cable joints and other relevant information such as soil conditions, method of excavation (manual / mechanised and use of heavy machinery) etc.,
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d)
Site locations, routes and locations of other existing installations, Road Crossings, Rig Crossings, Pipeline Corridors, Power and Communication Cables, Utilities Crossings, Right of Way (ROW) and proposed locations of handholes, manholes etc. shall be provided with UTM coordinates applicable for the zones involved,
e)
Drawings of existing underground Services with all details described in Sub-Clause 9.5.5 of this RP, including UTM coordinates of relevant zone(s) indicating the type and position / depth of existing Services,
f)
Cable route, approved by Infrastructure Master Plan (IMP) / any other competent authority of KOC.
g)
Detailed Bill of Materials / Bill of Quantities identifying all equipment & materials including model number, Manufacturer details and quantities required to complete the Works,
h)
Details of all equipment used for installation and testing of Optical Fibre Cable, such as Optical Time Domain Reflectometer (OTDR), Power Meter and Light Source, Fibre Splicing Machines etc. with Manufacturer details, model number and quantity required shall be provided alongwith the Survey Report.
9.6
Installation Plan / Schedule
9.6.1
The Overall Project Schedule shall include complete list of major and minor activities with interdependency between them and the completion schedule as envisaged in line with the installation requirements of Optical Fibre Cable (OFC).
9.6.2
The Installation Plan / Schedule shall reflect all the requirements as mentioned in Detailed Survey Report (DSR) and shall be submitted to KOC Controlling Team / CITG for review and approval.
9.6.3
The Installation Plan / Schedule shall include the method of installation (Ducted method / Direct Buried method), locations and methods of road cuttings / crossings, utilities crossings, handhole / manhole placement, equipment and tools to be used, clearances / assistances required from KOC or other Agencies, as applicable.
9.6.4
An action plan shall be prepared as part of the Installation Plan for each type of obstacle encountered. The action plan shall indicate the problems anticipated, solutions proposed to overcome those problems, justification for the solutions proposed explaining technical feasibility and their relevance etc.
I 2 I 9.6.5
Where OFC has to be directly buried in high water table area, specific installation methodology shall be submitted to KOC Controlling Team / CITG for review and approval.
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9.6.6
Implementation of any special action plan for overcoming the obstacles shall not be carried out without written approval from KOC Controlling Team / CITG. Approvals from other concerned agencies, such as MEW / KNPC / MPW / PAI (Kuwait) / Kuwait Municipality etc., as required, shall be obtained prior to commencement of works.
9.6.7
The Installation Plan / Schedule shall take into consideration of all activities / items, which shall include but not limited to the following points: a)
Schedule with details of major and minor activities with their interdependency and duration,
b)
General description of the nature of soil at various locations in the approved route of the OFC,
c)
The number and type of road crossings involved in the approved route of the OFC and methods of road cutting / crossing,
d)
Location of splices, handholes and manholes in the approved route of the OFC,
e)
Number and type of underground Services encountered in the approved route of the OFC (such as pipeline crossings, power & communication cables, utilities etc.,) and method of negotiating them,
f)
Other obstacles / hindrances in the approved route of the OFC such as water bodies, high underground water table areas, encroachment by other field activities etc.,
g)
Details of clearances required from KOC and other external agencies for road crossings and Right of Way (ROW) for various sections of the approved OFC route, as applicable,
h)
Method of Excavation and Backfilling of Trenches, including the material used for backfilling and disposal of excavated material,
9.7
Workmanship
9.7.1
Optical Fibre Cable (OFC) installation, splicing and testing shall be carried out by competent and skilled personnel / workmen, subject to trade testing approved by KOC Controlling Team / CITG.
9.7.2
All the work carried out shall be of good quality and to the entire satisfaction of KOC. Modern practices and latest techniques shall be adopted throughout and such work methods adopted shall be approved by KOC Controlling Team / CITG.
9.7.3
OFC installations, splicing and testing works shall be supervised by an Engineer experienced in the field of OFC, throughout the execution of project work.
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Material and Machinery Detailed list of material and machinery proposed to be used to carry out the installation of Optical Fibre Cable (OFC) shall be submitted to KOC Controlling Team / CITG for review and approval. The list shall include the details and quantity of materials, such as OFC, Splice Closures, Splice Connectors, Main Ducts & HDPE Sub-Ducts, Handholes, Manholes, other installation hardware etc. The list shall also include special tools & test equipment to be utilised for carrying out the installation and testing of OFC, including valid calibration certificates.
9.9
Splicing Schedule and Optical Power Budget Calculation The splicing schedule shall include complete details regarding splicing such as termination locations, splice locations, fibres to be spliced, pattern of splicing etc. based on the project requirements / approved Detailed Survey Report (DSR). The splicing schedule shall be submitted to KOC Controlling Team / CITG for review and approval. This schedule shall cover the details of Optical Power Budget Calculation for the fibre links in line with the requirements of ITU-T L.12 and ITU-T G.671 and other relevant Standards listed in Sub-Clause 4.2 of this RP. The splicing schedule shall include, but not limited to the following parameters:
9.10
a)
Estimated coupling loss,
b)
Estimated splice loss,
c)
Estimated attenuation of fibre,
d)
Maintenance margin of four (4) dB (minimum) for future repair purposes.
Optical Fibre Cable Testing Schedule The Optical Fibre Cable (OFC) testing schedule shall include a comprehensive write-up covering the Pre-Installation Testing (PRIT), Post-Installation Testing (POIT) and Site Acceptance Testing (SAT). Each testing schedule shall cover the type of tests to be conducted, test equipment required, allowable limits of test results, test result format for recording the results and the schedule for conducting each test etc. The OFC testing schedule shall be submitted to KOC Controlling Team / CITG for review and approval.
10.0
CABLE TRENCHING AND EXCAVATION WORKS
10.1
Excavation of Trench
10.1.1
For the excavation of trenches for the installation of Optical Fibre Cable (OFC), the practices described in HSEMS Procedure KOC.SA.026 “Excavation Safety Procedure” including EOD clearance requirements shall be followed.
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10.1.2
The routing of trenches shall be carried out as mentioned in the approved Detailed Survey Report (DSR). Inside all KOC Facilities and other sensitive areas identified in the Detailed Survey Report, only manual excavation shall be employed. Mechanical excavation shall be considered only in remote, isolated routes as identified in the Detailed Survey Report, with approval from KOC Controlling Team / CITG.
I 2 I 10.1.3
The width of the trenches for “Ducted Method” OFC installation shall be 600 mm (minimum) at the top and 500 mm (minimum) at the bottom. For “Direct Buried” installation of OFC, the width of trench at top and bottom shall be 400 mm (minimum). The overall depth of the trench shall be One (1) metre from the surface level.
I 2 I 10.1.4
Wherever the trench depth of One (1) metre cannot be achieved due to site conditions, it shall be reported to KOC Controlling Team. In such cases, the OFC shall be protected using concrete encased duct with prior approval from KOC Controlling Team / CITG.
10.1.5
In order to ensure safe working conditions, any open trench shall not exceed 500 metres in length. In high traffic areas, the open trench shall be limited to 100 metres in length. The open trenches shall always be protected all around with suitable barricades as specified in HSEMS Procedure KOC.SA.026 “Excavation Safety Procedure”.
10.1.6
In cases where OFCs, which form part of a ring structure are to be installed, two separate trenches shall be established at least 15 metres away from each other, for the redundancy of Optical Fibre Cable Network.
10.1.7
The sides of open trenches shall be supported with either timber or sheeting, where deep trenches / excavations, loose soil or proximity of other services are encountered.
10.1.8
Great care shall be taken to avoid damaging or disturbing existing pipes, cables and installations. Despite precautions, if such soil is disturbed, the Services concerned shall be temporarily supported and appropriate remedial measures to rectify the damages shall be carried out with the approval of KOC Controlling Team / CITG.
10.1.9
For cutting of roads at KOC road crossings (tarmac / concrete areas etc.), the use of air-compressor for excavation shall be limited up to a maximum depth of 300 mm only.
10.1.10
Rock breakers etc. for excavating trenches in the rocky and hard soil areas shall be used only where it is safe and as per the approved Detailed Survey Report (DSR).
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10.2
Road Crossings
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10.2.1
Where road crossings are encountered along the Optical Fibre Cable (OFC) route, procedures mentioned in this section shall be followed, unless otherwise specified in the project document. Necessary approvals from concerned authorities (KOC and other external agencies as mentioned in Sub-Clause 9.6.6) shall be obtained, as applicable, prior to carrying out Horizontal Directional Drilling (HDD) or road cutting.
10.2.2
Where Horizontal Directional Drilling (HDD) is used for crossing major roads such as express highways, carbon steel pipe of suitable diameter with thickness and size approved by KOC Controlling Team / CITG to accommodate minimum six (6) numbers of HDPE sub-ducts, shall be provided unless otherwise specified in the project document. The carbon steel pipe shall be suitably terminated in the Road Crossing Handholes (RCHH), as per the construction drawing approved by KOC Controlling Team and other related agencies concerned for granting approval for road crossing.
10.2.3
For the open-cut road crossings, minimum Two (2) main ducts shall be provided, atleast 1200 mm below road level for the entire road crossing length (including full width of the road and the clearance on both sides as per the requirements in the project document or of other agencies involved), unless otherwise specified in the project document. The main ducts between the RCHHs shall be protected by concrete encasement as specified in the project document.
10.2.4
The main ducts shall be installed with duct organisers / spacers and shall be terminated appropriately in the RCHHs with a smooth gradient applicable for strain-free termination of the main ducts in the handholes / manholes and for ease of installation of OFC. Each main duct shall be equipped with Three (3) numbers of HDPE sub-ducts. For details of HDPE ducts, UPVC ducts and HDPE sub-ducts, Sub-Clauses 12.1, 12.2 and 12.3 of this RP shall be referred respectively.
10.2.5
Two (2) separate road crossings shall be made at 15 metres apart from each other for the redundancy and protection of OFC Network, where dual Optical Fibre Cables are to be installed as part of the network for route diversity requirements.
10.2.6
Where excavation is to be carried out at road crossing sites, adequate provision shall be made for unobstructed traffic, with prior approval from KOC Controlling Team. (e.g.: Excavation shall be carried out on one half of one portion of the carriageway at a time, leaving the other half portion available for traffic).
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10.2.7
Advance warning to vehicles and pedestrians about trenching and cable laying shall be given by placing warning signs at every 100 metres of the oncoming traffic side. Trenches along the carriageway shall not be left open overnight. Under exceptional circumstances, if this becomes necessary, warning signs shall be provided by flashing orange lights, supplemented by red lights every 10 metres along the excavation route, with prior approval from KOC Controlling Team.
10.3
Backfilling Works
10.3.1
Backfilling of the trench or any other excavation carried out for installation of Optical Fibre Cable (OFC) shall be commenced only after inspection and approval of the installed OFC or main ducts, as applicable, by KOC Controlling Team / CITG.
10.3.2
Prior to the installation of OFC or main duct, the trench shall be initially filled with selected sifted soft soil free from stones & other hard objects and compacted upto a level of 100 mm from the bottom. The OFC or main duct shall be installed and shall be covered with sifted soft soil to a compacted level of 200 mm above cable / duct.
10.3.3
For the protection of OFCs installed in “Intra-Facility” route (within the Facility Security Fence / boundary), Sulphate Resistant Cement (SRC) concrete cable tiles, as specified in Sub-Clause 17.6 of this RP, shall be laid 200 mm above the main duct all along the OFC route. Cable warning tape, as specified in Sub-Clause 17.3 of this RP, shall be provided at a depth of 300 mm from the surface level to identify the OFC running below.
10.3.4
The backfilling and compaction shall be carried out in layers not exceeding 200 mm. The excavated soil or good quality backfill material (gatch), approved by KOC Controlling Team, shall be used for backfilling. Required quantity of water shall be added in order to make the density of the soil correspond to the density of the soil around. Power rammers shall be used after backfilling over cable tiles, wherever practical. Where such use is not practical, hand ramming shall be employed after each 200 mm layer of backfilling. The soil at the top shall be thoroughly compacted with a heavy power rammer to match the surrounding soil level. Reference drawing for backfilling and Sulphate Resistant Cement (SRC) concrete cable tile is given in Appendix - IV of this RP, for guidance.
10.3.5
Backfilled excavations shall be tested by applying a power rammer weighing approximately 100 kg, repeatedly over an area of half a square metre for Three (3) minutes to check the compaction.
10.3.6
The compaction of the refill shall be considered satisfactory, provided the test shows no measurable changes in level. (A measurable change in level is defined as a depression which cannot be rectified by reshaping the tested area and consequently requires additional fill to restore the surface of the test area to its original level). If any faulty compaction is noticed, it shall be rectified and approved by KOC Controlling Team.
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10.3.7
All surplus materials such as waste earth, broken ducts, construction spoil and other debris from site shall be removed and disposed-off as per HSEMS Procedure KOC.EV.008 “Waste Management Procedure”.
11.0
HANDHOLES AND MANHOLES
11.1
The “Handholes” and “Manholes” shall be provided in the Optical Fibre Cable (OFC) routes for ease of cable pulling, accommodating the splice closures and extra cable etc. The handhole / manhole shall be either prefabricated or cast in-situ type as approved by KOC Controlling Team / CITG. Details of Handholes and Manholes are described in this section.
11.2
The handholes shall be provided for One (1) way / Two (2) way OFC routes. Manholes shall be provided for Four (4) way OFC routes or where more than Two (2) splices at One (1) location are carried out.
11.3
The handholes and manholes shall be complete in all respects fitted with cable support, handhole / manhole covers with frame etc. complying with the drawings of Ministry of Communications (MOC) Kuwait, referred in Sub-Clause 4.2.4 of this RP. The handholes / manholes shall be constructed with 120 or 110 mm diameter Duct Entry Holes, suitable for HDPE / UPVC main ducts, as applicable.
11.4
The handhole / manhole shall be equipped with necessary rack supports for fixing the Splice Closure.
11.5
The handhole shall be provided with minimum Two (2) duct entry holes and manhole shall be provided with minimum Four (4) duct entry holes of suitable sizes on each of its shorter sides (width) for the termination of main ducts, unless otherwise specified in the project document. The duct entry holes shall be finished to facilitate smooth termination of ducts.
11.6
All handholes / manholes shall be provided with hinged covers with locking facility to prevent pilferage. The handhole / manhole covers shall be made in two halves, hinged at the ends to prevent removal of the covers. The design of the handhole covers / hinges shall facilitate smooth opening and closing without any obstruction. Handhole / Manhole keys {One (1) key for every 10 handholes / manholes with minimum of Two (2) keys} shall be supplied as part of the handhole / manhole accessories to KOC, unless otherwise specified in the project specification. The handhole / manhole shall be suitably positioned that its cover is at the normal ground level.
11.7
The level of handhole / manhole and the cable entry points shall be properly aligned with the level of the OFC route in order to prevent any strain on the cable.
11.8
The length side of the handholes / manholes shall be aligned with the OFC route in order to avoid any sharp bends on the cable entering into the handhole / manhole.
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11.9
All the handholes / manholes shall have corrosion resistant stainless steel designation name plate as specified in the approved tagging philosophy, detailed in Sub-Clause 17.1.3 of this RP.
11.10
All the handholes shall be of same design and dimensions. However, the handholes shall be identified with different names depending upon their location and purpose of installation, to mark suitably in the drawings for design purpose. Various types of Handhole / Manhole classifications used in KOC are shown in the Reference Drawing given in Appendix - II of this RP. The details of various types of handholes / manholes and locations of the same are explained in this section. a)
Every Facility Entry Point (where the OFC enters the Facility) shall be provided with Facility Entrance Handhole (FEHH) / Facility Entrance Manhole (FEMH), depending on the number of OFCs in the route (refer Sub-Clause 11.2 of this RP) or as specified in the project document. The FEHH / FEMH shall be fixed outside the security fence / boundary, Five (5) metres away from the fence, with prior approval from KOC Controlling Team / CITG.
b)
Every Building Entry Point (where the OFC enters the Building) shall be provided with Building Entrance Handhole (BEHH) / Building Entrance Manhole (BEMH). Selection of handhole / manhole for Building Entry shall be decided based on the number of OFCs entering the building (refer Sub-Clause 11.2 of this RP) or as specified in the project document.
c)
Intermediate Handholes (IMHH) shall be provided along the “Inter -Facility” Optical Fibre Cable route as follows, unless otherwise specified in the project document: (i)
for “Direct Buried” installation: at every 2000 metres,
(ii)
for “Ducted Method” installation: at every 500 metres for “Air -Blown Type Installation”; 240 metres (maximum) for “Manual Pulling Installation”.
11.11
In addition, special purpose handholes like Direction Changing (DCHH), Road Crossing Handhole (RCHH), Route Extension (REHH), Mid-Span Handhole (MSHH) and Spur-Cable Splice (SSHH) etc. shall be provided along the Optical Fibre Cable applicable.
Handhole Handhole Handhole route, as
11.12
The DCHH, RCHH and REHH shall be positioned at fixed locations in the “Inter -Facility / Intra-Facility” OFC route. However, the IMHH, MSHH and SSHH shall have some flexibility in positions depending on the site conditions, subject to the approval of KOC Controlling Team / CITG. However, these flexible location handholes shall be provided, only if any of the fixed type handhole is not available within a span of 100 metres on either side.
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The details of locations and criteria for providing fixed location handholes (DCHH, RCHH and REHH) and flexible location handholes (MSHH and SSHH) are explained below: a)
Direction Changing Handhole (DCHH) shall be provided at every point where the direction of Optical Fibre Cable route changes abruptly,
b)
Road Crossing Handhole (RCHH) shall be provided at every road crossing (one on each side of road at locations approved by concerned authority),
c)
Route Extension Handhole (REHH) shall be provided where one drum of Optical Fibre Cable ends and the next drum of cable starts,
d)
Mid-Span Handhole (MSHH) shall be provided at the middle of the full drum cable length. e.g.: MSHH shall be provided at Two (2) kilometres (kms) distance of a Four (4) kms drum length. In cases where the expected location of MSHH coincides within 100 metres of any other handhole in the OFC / duct route, a separate MSHH need not be provided at the same location,
e)
Spur-Cable Splice Handhole (SSHH) shall be provided at the point where the Spur Optical Fibre Cable from the remote / RTU site is spliced to the Backbone Optical Fibre Cable.
11.14
For “Intra-Facility” duct routes, handholes / manholes, as applicable, shall be provided at every 240 metres (maximum) and at every point where the OFC direction changes abruptly.
11.15
Cable Damage Repair Handhole (DRHH) shall be provided in the vicinity of cable damage as approved by KOC Controlling Team / CITG.
12.0
MAIN DUCTS, SUB-DUCTS AND ACCESSORIES
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Main ducts (HDPE / UPVC), Sub-Ducts (HDPE) and accessories required for establishing the duct route are covered in this section. 12.1
High-Density Polyethylene (HDPE) Ducts
12.1.1
The HDPE duct shall be of nominal outer diameter 120 ± 2.1 mm. The nominal inner diameter shall be 101.5 ± 2.1 mm. The length of HDPE ducts shall not be less than Six (6) metres
12.1.2
The HDPE ducts shall be manufactured and tested in accordance with the requirements of IEC 61386-24 or equivalent International / National Standard approved by KOC. The compression strength of the HDPE duct shall comply with the requirements of medium duty application mentioned in IEC 61386-1, unless otherwise specified in project document.
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12.1.3
The outer wall shall be Double Wall Corrugated (DWC) and coloured Orange, unless otherwise specified in the project document. The inner wall shall be plain and smooth without any sharp edges, burrs or surface projection.
12.1.4
The HDPE duct shall be manufactured from high molecular weight, high-density polyethylene to provide an optimum balance of toughness, strength, flexibility and a low coefficient of radiation. The HDPE duct shall be light weight with high ring stiffness, impact strength and crush resistance and suitable to take heavy loads.
12.1.5
The HDPE duct shall have anti-rodent and corrosion resistance properties.
12.1.6
The materials used for HDPE ducts shall be UV resistant, able to withstand the harsh environmental conditions prevailing in Kuwait and shall be designed for satisfactory performance for a minimum period of 25 years.
12.2
Unplasticised Polyvinyl Chloride (UPVC) Ducts
12.2.1
The Unplasticised Polyvinyl Chloride (UPVC) duct shall be of nominal outer diameter 110 mm. The nominal inner diameter shall be 100 mm. The wall thickness shall not be less than 4.5 mm. The length of UPVC ducts shall not be less than Six (6) metres.
12.2.2
The UPVC ducts shall be manufactured and tested in accordance with the requirements of MOC (Kuwait) STD. No.: G 20:10:001:32 / DIN 8062 / DIN 8061 or equivalent International / National Standards approved by KOC.
12.2.3
The colour of UPVC ducts shall be light grey. The inner and outer walls of UPVC ducts shall be plain and smooth without any sharp edges, burrs or surface projection.
12.2.4
The UPVC ducts shall be UV resistant, able to withstand the harsh environmental conditions prevailing in Kuwait and shall be designed for satisfactory performance for a minimum period of 25 years.
12.3
HDPE Sub-Ducts
12.3.1
The Sub-Ducts shall be of High Density Polyethylene (HDPE), UV resistant material. The sub-ducts shall have nominal outer diameter of 32 mm. The nominal inner diameter of sub-duct shall be 28 mm and the wall thickness shall be 1.7 mm (min.) to 2.2 mm (max.). Three (3) sub-ducts shall be accommodated in each main duct.
12.3.2
The HDPE sub-ducts shall be manufactured and tested in accordance with the requirements of MOC (Kuwait) STD. No.: G 20:10:001:40 / DIN 8074 / DIN 8075 / DIN 16842 or equivalent International / National Standards approved by KOC.
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12.3.3
The HDPE sub-ducts shall be manufactured from high molecular weight, high-density polyethylene to provide an optimum balance of toughness, strength, flexibility and a low coefficient of radiation.
12.3.4
The HDPE sub-ducts shall be in standard colours - Orange, Green and Black. Outer surface of HDPE sub-ducts shall be smooth, free from blisters, shrink-hole, scratches and roughness.
12.3.5
The inner side of HDPE sub-ducts shall be plain for “Manual Pulling Installation” of OFC.
12.3.6
The inner side of HDPE sub-ducts shall be provided with equally spaced spiral ribs (on the inner circumference) for “Air -Blown Type Installation” of OFC.
12.3.7
The inner side of HDPE sub-ducts for “Air -Blown Type Installation” of OFC shall have lower coefficient of friction. The sub-ducts shall be suitable for longer distance blowing of jacketed Optical Fibre Cables with a minimum blowing distance of 2000 metres per shot.
12.3.8
The HDPE sub-ducts shall be light weight but highly crush and corrosion resistant. Sub-ducts shall be provided with pre-threaded nylon rope. Sub-ducts shall be supplied in lengths of 500 / 1000 metres or as specified in the project document, in strapped coils on wooden reels, suitable to be mounted on de-coilers for ease of handling. Sub-ducts shall be supplied with duct cleaners for use before blowing the cable. The sub-ducts shall be marked with its progressive length every metre using indelible printing throughout the length.
12.3.9
HDPE sub-ducts installed inside the buildings shall be of LSZH type with flame retardant properties.
12.3.10
The materials used for the HDPE sub-ducts shall be able to withstand the harsh environmental conditions prevailing in Kuwait and shall be designed for satisfactory performance for a minimum period of 25 years.
12.4
Accessories for Main Duct and Sub-Duct
12.4.1
All accessories including but not limited to triplex duct plugs, long radius bends, spacers / duct organisers, end caps / solid plugs, couplers, jointing material etc., suitable for HDPE / UPVC main ducts (as applicable), shall be provided as required / specified in the project document.
12.4.2
All sub-duct accessories including but not limited to simplex duct plugs, solid plugs, couplers etc. shall also be provided as required / specified in the project document.
12.4.3
The couplers for HDPE ducts / sub-ducts shall be provided with proper gasket to ensure water-tight and air-tight sealing of the joints.
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12.4.4
The triplex duct plugs selected for guiding the sub-ducts into or out of the handholes, manholes and building entrances shall match the size and type of sub-ducts. Similarly, the simplex duct plugs selected for installing the Optical Fibre Cable shall match the size of Optical Fibre Cable for better and effective results.
12.4.5
The materials used for the accessories shall be able to withstand the harsh environmental conditions prevailing in Kuwait and shall be designed for satisfactory performance for a minimum period of 25 years.
13.0
INSTALLATION OF MAIN DUCTS AND SUB-DUCTS
13.1
For “Ducted Method” installation of Optical Fibre Cable (OFC), High-Density Polyethylene (HDPE) ducts shall be used as main duct, unless otherwise specified in the project document.
13.2
The use of Unplasticised Polyvinyl Chloride (UPVC) ducts as main duct shall be limited for specific applications (for locations such as oil contaminated areas in “Inter -Facility” OFC routes), where it is specifically called for in the project document.
13.3
The main ducts shall be installed in trenches excavated as mentioned in Sub-Clause 10.1.3 of this RP, along the approved duct routes as described in the Detailed Survey Report (DSR). For more details on trenches, Appendix - IV of this RP shall be referred.
13.4
“Backbone Duct Route” (BBDR) for “Intra-Facility” routes shall always be established as Four (4) way duct route in a 2 x 2 matrix arrangement. Out of the Four (4) ducts, minimum Two (2) ducts shall be equipped with Three (3) numbers of sub-ducts. In cases where more than Four (4) Optical Fibre Cables are to be installed in such routes, all the Four (4) ducts shall be equipped with Three (3) sub-ducts each, for future use.
13.5
Where “Backbone Duct Route” (BBDR) for “Inter -Facility” is established, it shall be One (1) way duct route or as specified in the project document. The BBDR for “Inter -Facility” shall be equipped with Three (3) sub-ducts as default and shall meet the requirements of Sub-Clause 10.1.6 of this RP for redundancy networks, unless otherwise specified in the project document.
13.6
The “Distribution Network Duct Route” (DNDR), established in “Intra-Facility” routes for distribution purposes, shall always be Two (2) way duct route (minimum) using Two (2) numbers of main ducts. If the project specification requires more than Four (4) OFCs to be installed in the “Intra-Facility” route, then Four (4) way DNDR shall be installed.
13.7
For the “Intra-Facility” DNDR, minimum one of the Two (2) main ducts shall be equipped with Three (3) HDPE sub-ducts. In cases where more than Four (4) OFCs are to be installed in such routes, all the Four (4) main ducts shall be equipped with Three (3) sub-ducts each, for future use.
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13.8
Each main duct shall be inspected before it is installed. No defective or broken duct shall be installed.
13.9
The main ducts shall be tested with duct mandrel of diameter 90 mm and length 300 mm before installation of sub-ducts to ensure unobstructed smooth end to end installation of sub-ducts. In case of any obstructions encountered, the duct shall be cleared with duct brush to clean the duct bore before commencing installation of sub-ducts.
13.10
The main ducts shall be continuous in a duct route and the ducts shall be coupled using proper accessories to establish the duct route.
13.11
Wherever the duct routes are established with more than one duct, duct spacers shall be used to align the ducts together and parallel to each other facilitating smooth entry into the handhole / manhole at the termination ends. The duct spacers shall be placed at One (1) metre from both ends of duct and at an interval Two (2) metres between spacers.
13.12
All main ducts shall be terminated in the handholes / manholes appropriately without protrusion of the duct inside the handhole / manhole. The inner entry point shall be chamfered accommodating duct end in flush with the inner wall of the handhole / manhole.
13.13
While establishing the duct route and positioning of the handhole / manhole, it shall be ensured that the duct route level and the duct entry hole level of handhole / manhole are aligned for smooth termination of ducts with a low gradient.
13.14
All the used main ducts shall be provided with triplex plugs of suitable size for accommodating all the three sub-ducts.
13.15
All spare HDPE / UPVC ducts shall be provided with solid duct plugs and equipped with Eight (8) mm nylon pulling rope for future use, unless otherwise specified in the project document.
13.16
All the used sub-ducts shall be provided with simplex plug of suitable size for accommodating the Optical Fibre Cable installed.
13.17
All spare sub-ducts shall be provided with solid duct plugs and equipped with Six (6) mm nylon pulling rope for future use unless otherwise specified in the project document.
13.18
Extra length of sub-ducts as required in the project document shall be kept inside the handhole / manhole and fixed to the inner wall of handhole / manhole using proper clamps.
13.19
The sub-ducts shall also be continuous and shall be provided with sub-duct couplers to establish continuous route between the Optical Fibre Cable route access points.
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14.0
INSTALLATION OF OPTICAL FIBRE CABLE
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14.1
General Installation Requirements
14.1.1
“Ducted Method” installation of Optical Fibre Cable (OFC) shall be followed for “Intra-Facility” OFC routes.
14.1.2
“Direct Buried” installation of OFC shall be adopted for long distance “Inter -Facility” OFC routes, unless otherwise specified in the project document.
14.1.3
Where “Ducted Method” of installation is specified in the project document for long distance “Inter -Facility” OFC routes, the type of main duct to be used shall be as specified in Sub-Clauses 13.1 and 13.2 of this RP.
14.1.4
The installation of OFC inside buildings (Indoor) shall always be carried out on cable trays using sub-ducts (Orange colour) provided for each cable.
14.1.5
OFC type shall be selected depending on the method of installation. For more details on OFC to be used for KOC applications, KOC-T-006 “KOC Standard for Optical Fibre Cables” shall be referred.
14.1.6
Installation of OFCs in various routes shall fully comply with the details mentioned in this Recommended Practice. If any major obstacles / hindrances are encountered during installation of OFC, it shall be brought to the notice of KOC Controlling Team / CITG for evaluation and resolution before proceeding with the installation works.
14.1.7
Trenches of OFCs shall be physically separated from that for pipelines or any other structures / Services. The OFCs shall be installed at a horizontal distance of Five (5) metres from the closest edge of the nearest pipeline / structures / Services, unless otherwise approved by KOC Controlling Team / CITG based on proper justifications.
14.1.8
OFCs shall be routed at least Two (2) metres away from any buried high voltage (HV) cables and 0.3 metre away from any low voltage (LV) and Instrumentation cables.
14.1.9
Prior to the commencement of installation of the OFC, the test results of Pre-Installation Test (PRIT) / Drum Test as mentioned in Sub-Clause 18.2 of this RP shall be submitted to KOC Controlling Team / CITG for review and approval.
14.1.10
Crossing of utilities such as existing pipelines, power / communication cables, junction boxes etc. along the OFC route shall be avoided and the OFCs shall be rerouted, if necessary, with approval from KOC Controlling Team / CITG. In case rerouting is required, cables and jointing materials matching the existing installation shall be provided as required, subject to the approval of KOC Controlling Team / CITG.
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14.1.11
Due to unavoidable site conditions, if crossing of utilities are to be carried out, it shall be as envisaged in the Installation Plan mentioned in Sub-Clauses 9.6.3 & 9.6.4 of this RP, with prior approval from KOC Controlling Team / CITG.
14.1.12
At utility crossing locations, the OFC / main duct shall be installed above the underground services ensuring a minimum clearance of 500 mm between OFC / duct and ground level and 300 mm above the underground services. Suitable protection shall be provided to OFC, as specified in the Sub-Clause 10.1.4 of this RP.
14.1.13
In cases, where the clearances mentioned in Sub-Clause 14.1.12 is not achievable at utility crossing locations, the OFC / main duct shall be installed 300 mm below the underground services using concrete encased duct, with prior approval from KOC Controlling Team / CITG.
14.1.14
OFC installation shall be carried out using appropriate cable feeders / rollers for smooth pulling of cable and due care shall be taken to avoid damaging of outer sheathing of the cable.
14.1.15
While laying OFC, care shall be taken not to violate the minimum bending radius value specified by the Manufacturer. Sharp bending of OFC shall be avoided to maintain the macro bending loss within limits specified by OFC Manufacturer. At building entry points, cable bending radius shall be as recommended by the Manufacturer but not less than One (1) metre.
14.1.16
Pulling tension, side pressure, bending radius and similar parameters governing cable installation practice shall be held within the limits approved by the OFC Manufacturer and KOC Controlling Team / CITG, at all stages of cable installation.
14.1.17
It shall be ensured that the cable pulling tension does not exceed the maximum pulling tension recommended by Cable Manufacturer, by means of a tension monitoring device. The cable shall be carefully inspected for sheath defects or other irregularities as it is pulled out from the reel. If defects are detected, pulling shall be stopped immediately and the same shall be reported to the KOC Controlling Team / CITG. The cable section shall be repaired or replaced as per the advice of KOC Controlling Team / CITG.
14.1.18
All equipment and the pulling set shall be carefully checked to minimise interruptions during cable pulling. Wherever possible, the cable shall be pulled without stopping until the required amount of cable has been laid. For any reason, if the pulling operation has to be halted before the completion of cable installation, the tension of the pulling line shall not be released. When cable pulling is resumed, the pulling tension shall be increased in small steps (few seconds apart) in order to overcome the inertia of the cable until the cable is in motion.
14.1.19
The OFC drum shall never be left unattended during cable pulling. Unprofessional techniques or methods of cable pulling shall not be allowed.
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14.1.20
As the Optical Fibres are sensitive to moisture, the cable ends shall be covered with an end cap and heavy tape or equivalent, at all times to avoid moisture entry.
14.1.21
After the OFC has been installed, the pulling tension shall be removed gradually. The extra cable at ends shall be properly coiled such that the minimum bending radius specified for long-term application recommended by the Manufacturer is not violated.
14.1.22
It shall be ensured that the residual tension on the installed cable shall be less than the maximum value recommended by Manufacturer for long-term application.
14.1.23
Suitable type of handholes / manholes shall be provided in the OFC route as mentioned in Clause 11.0 of this RP.
14.1.24
Extra length of cable shall be left at the beginning and at the end of the cable run. Extra length of cable shall also be placed at strategic points such as Spur-Cable Splice Handholes (SSHH), Road Crossing Handholes (RCHH), Intermediate Handholes (IMHH) etc. as identified in the approved splice plan.
14.1.25
Extra length (minimum 30 metres) of OFC shall be provided, at the Building Entrance Handhole (BEHH) / Building Entrance Manhole (BEMH), Facility Entrance Handhole (FEHH) / Facility Entrance Manhole (FEMH), Direction Changing Handhole (DCHH), Mid-Span Handholes (MSHH) and Road Crossing Handholes (RCHH), unless otherwise specified in the project document.
14.1.26
At splice accommodating handholes like Route Extension Handhole (REHH), Spur-Cable Splice Handhole (SSHH) etc., 15 metres of spare coil on each of the spliced cables shall be provided, unless otherwise specified in the project document.
14.1.27
Where a OFC / duct route is established from the Spur-Cable Splice Handhole (SSHH) to the RTU site, the Spur OFC / duct shall be terminated with a large bending radius {not less than One (1) metre} below the RTU cabinet cable entry base plate suitably clamped to a rigid support. The HDPE sub-duct carrying the OFC shall be terminated below the cable gland without affecting the IP classification of the cabinet.
14.1.28
OFCs shall be sequentially arranged and racked in each handhole / manhole in order to avoid criss-crossing. Caution shall be exercised during the pulling operation to avoid excess slack in handhole / manhole and prevent kinking or any damage to the cable.
14.1.29
Inside handholes / manholes, cabinets, at termination locations etc., OFC shall be tied to fixed positions to prevent damage to the cables and to provide adequate working space, if it is not required to be racked or permanently positioned.
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14.1.30
All OFCs shall be secured, designated and tagged at all the exposed portions like handholes / manholes, cable trays and Fibre Distribution Panels (FDP) etc.
14.1.31
Whenever, excess cable has to be collected in a handhole or manhole before feeding the cable further, “Figure 8” formation shall be followed to prevent twists in the cable.
14.1.32
For drum length details of OFCs for various KOC applications, KOC-T-006 “KOC Standard for Optical Fibre Cables” shall be referred.
14.1.33
Route markers shall be placed at every 50 metres along the OFC route for route identification, unless otherwise specified in the project document. In addition, the route marker shall be placed at every handhole / manhole location. For typical drawing of the Route Marker, Appendix - III of this RP shall be referred.
14.1.34
The route marker shall be placed throughout the OFC route, within the trench and not touching the OFC or main duct, all along the route. For the specifications of the route marker Sub-Clause 17.2 of thi s RP shall be referred.
14.1.35
Route / Joint markers placed at the splice closure handholes viz., Route Extension Handhole (REHH), Spur-Cable Splice Handhole (SSHH) and Cable Damage Repair Handhole (DRHH) shall indicate the splice number also, in addition to the details as specified in Sub-Clause 17.2.5 of this RP, in the Marker Face Plate as per approved splice plan.
14.1.36
In addition to the general installation requirements described in this section, specific requirements for ducted method and direct buried method of installations described in the following sections shall be adopted, as applicable.
14.2
Specific Installation Requirements - Ducted Method
14.2.1
The duct route shall be inspected and approved by KOC Controlling Team, before laying the Optical Fibre Cable (OFC) in the duct route.
14.2.2
Each OFC shall be installed in separate sub-duct in the duct route by manual pulling or using Blowing Technique as approved by KOC Controlling Team / CITG.
14.2.3
Proper rigging shall be set up at the pulling end so that the pulling line and OFC are properly aligned to the sub-duct in order to prevent the cable rubbing against the edge of the main duct / sub-duct.
14.2.4
All the cables shall be laid directly into the sub-ducts as the cable is pulled out from the drums. The cable shall always be pulled from top of t he reel by rotating the reel in the feed direction at designated rate of pulling tension as recommended by Manufacturer.
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14.2.5
Cable reels shall be located and aligned so that the cable is pulled into the sub-duct in a long, smooth bend without twisting. A cable feeder guide of proper dimensions shall be deployed at the sub-duct entry to properly guide the cable into the sub-duct.
14.2.6
Adequate pulling lubricant shall be used as required in order to minimise pulling tension and prevent sheath damage when pulling cables into sub-ducts. Lubricant shall be applied to the cable sheath with a lubricator. When pulling has been completed, the exposed cable ends shall be wiped clean of lubricant. All lubricant spills shall be cleaned up immediately.
14.2.7
The lubricants used shall be compatible with the OFC and certified by the lubricant Manufacturer. Soap and grease type lubricants shall not be used.
14.2.8
In longer span duct routes, the OFC shall be laid in the sub-duct either by Blowing Technique or by manual pulling. In case blowing technique is adopted, approval from KOC Controlling Team / CITG shall be obtained.
14.2.9
Prior to the “Air -Blown Type Installation” of OFC, the sub-duct route shall be air-pressure tested to ensure its suitability for such type of installation and the test results shall be submitted to KOC Controlling Team / CITG for review and approval. For general guidance on “Air -Blown Type Installation” of OFC, ITU-T L.57 shall be referred.
14.2.10
For vertical installations, the cable HDPE sub-duct shall be clamped at frequent intervals so as to prevent the cable weight from exceeding the maximum recommended long term load. The clamping intervals shall be sufficient to prevent cable movement as well as to provide weight support.
14.2.11
In handholes / manholes, where sub-ducts are removed for splicing works, the exposed portion of OFC shall be protected by using helical coiled cable protectors or equivalents.
14.2.12
When the OFC is to be pulled in duct route for a section of more than Two (2) kms, bi-directional pulling from the midpoint of the whole span shall be employed. After pulling half drum length of cable in one direction, balance cable shall be unwounded from the drum and coiled in “Figure 8” shape on the ground. Then, balance cable shall be pulled in the other direction.
14.3
Specific Installation Requirements - Direct Buried Method
14.3.1
Prior to start of cable installation, the trench excavated for direct buried installation of Optical Fibre Cable (OFC) shall be inspected and approved by KOC Controlling Team. For more details on trench excavation Sub-Clause 10.1.3 and Appendix - IV of this RP shall be referred.
14.3.2
OFC shall be directly laid on the sifted soil / sand bed formed in the trench.
14.3.3
Prior to backfilling the trench, OFC shall be tested and approved by KOC Controlling Team / CITG.
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SPLICING AND TERMINATION OF OPTICAL FIBRE CABLE
I 2 I 15.1
All installation hardware such as Fibre Distribution Panel (FDP), Splice Closure with earthing kit, Connectors, Pigtails and other materials used for splicing shall be in compliance with the requirements of KOC-T-006 “KOC Standard for Optical Fibre Cables”.
15.2
The Post-Installation Test (POIT) results shall be submitted to KOC Controlling Team / CITG for review and approval as a prerequisite before commencing splicing and / or termination works of Optical Fibre Cables (OFCs) in the f ield or at terminal sites.
15.3
All fibres shall be spliced at the predetermined splice locations, provided with handhole / manhole, as mentioned in the KOC approved Splicing Schedule.
15.4
The splicing work of OFC shall begin from one of the terminal sites and shall be progressed section after section in sequence so that Optical Time Domain Reflectometer (OTDR) testing could be carried out f rom the terminal site as and when splicing work is carried out extending the route.
15.5
The splicing of Optical Fibres shall be carried out by “Arc Fusion Method” using standard automatic fusion splicing machines having valid calibration certificate from the Manufacturer or their authourised calibration center approved by KOC Controlling Team / CITG.
15.6
During splicing it shall be ensured that the physical durability and the optical characteristics of the fibre are not affected.
15.7
Average splice loss for any OFC Network shall not be more than 0.1 dB (maximum individual splice loss upto 0.3 dB shall be permissible, provided the overall average splice loss of less than 0.1 dB is achieved for the OFC Network). Any sub-standard splice shall be rejected. The testing of OFCs during splicing shall be carried out as described in Sub-Clause 18.3 of this RP.
15.8
All splices shall be made within re-enterable splice enclosures or within the Fibre Distribution Panels which are specifically designed for the splicing of OFC. For more details of splice closure, KOC-T-006 “KOC Standard for Optical Fibre Cables” shall be referred.
15.9
At all splice points, fibres shall be properly arranged (without strain) in the Fibre Management System of the Splice Closure. The str ength member of the cable shall properly be anchored at both ends of the splice closure.
15.10
The fibre storage and organising housing shall take into account the minimum bending radii of the fibres, cable entry points, provision for strain relief and storage of excess fibre slack as specified in the Manufacturer’s installation procedure.
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15.11
Each fusion splice shall be protected in a splice tray, to be mounted inside a Splice Closure or a Fibre Distribution Panel (FDP). The splice tray shall be used to store and organise the fibres and splices, protect the fibres and to ensure that the fibres are arranged complying with the minimum bending radius.
15.12
All stripped optical fibres and fusion splices shall be protected by suitable size heat shrinkable splice protection sleeves and / or silicon adhesive to prevent exposure to moisture. The protected splices shall be organised sequentially in a splice organiser tray installed in the splice tray of the Splice Closure or Fibre Distribution Panel (FDP). Splices together with surplus length of fibres shall be arranged in an orderly way in the splice enclosure.
15.13
Splice closures shall properly be sealed and firmly fixed in proper racks inside the handhole / manhole. Splice Closures shall be freely accessible for maintenance works.
15.14
At the terminal sites, all the fibres of the OFC shall be terminated sequentially in a Fibre Distribution Panel (FDP) equipped with SC connector panel. SC pigtails shall be spliced to the fibres and terminated in the SC connector panel with designation labels indicating the fibre number. All the SC ports of the Fibre Distribution Panel (FDP) shall also be numbered individually in the front of the panel. For more details on SC connectors, KOC-T-006 “KOC Standard for Optical Fibre Cables” shall be referred.
15.15
The SC connector panels in the Fibre Distribution Panel (FDP) shall have free access to the fibre ports and the pigtails for ease of maintenance and troubleshooting. The Fibre Distribution Panels at terminal sites shall be securely mounted as detailed in the cabinet layout drawing approved by KOC Controlling Team / CITG.
15.16
All splices shall be clearly numbered as mentioned in the KOC approved Splicing Schedule and shall be submitted alongwith the “As-Built” Drawings / Documentation.
15.17
Fibres shall be numbered and fibre cable destination shall be indicated on the FDP. The splice loss for each splice, attenuation loss for each fibre link and the OFC route shall be shown in the “As-Built” Drawings / Documentation.
15.18
Wherever Spur Optical Fibre Cables are to be spliced to a backbone OFC, the splicing shall be carried out without cutting the backbone OFC fully. The backbone OFC jackets and armouring shall be removed, with the cable intact, to have access to the buffer tube allotted for splicing the spur-cable. The splicing shall be carried out as specified in the approved splicing schedule for that splice.
15.19
At cable repair locations, the fibre link shall be restored with a single splice by replacing the smaller section of the damaged cable by a new cable, with prior approval from KOC Controlling Team / CITG.
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16.0
EARTHING
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16.1
All metallic parts such as metallic enclosures, frames, Fibre Distribution Panels, cabinets, splice closures, gland plates, metallic armour of OFC (at both ends), doors and equipment etc. installed under the project shall be connected to the Earthing System approved by KOC Controlling Team / CITG.
16.2
At splicing locations, metallic armour of the OFC shall be earthed using the earthing kit supplied with Splice Closures and shall be terminated to a local earth rod provided with an earth pit.
16.3
The Earth Resistance measurements, both individual & combined, and the earthing connectivity diagrams for the OFC Equipment and Systems shall be submitted to KOC Controlling Team upon completion of the works.
16.4
For more details on earthing requirements, TIA-607-B “Generic Telecommunications Bonding and Grounding (Earthing) for Customer Premises” and KOC-T-001 “KOC Recommended Practice for Telecommunication and Local Area Network (LAN) Infrastructure for Buildings” shall be referred.
17.0
NAMEPLATES AND TAGGING
17.1
General
17.1.1
All the Optical Fibre Cables (OFCs) and the handholes / manholes used along the cable route, Splice Closures, FDPs etc. shall be provided with Number Tags and Nameplates.
17.1.2
A “Tagging Philosophy” shall be developed for designating the OFCs and associated accessories installed throughout the Network, consisting of designation labels, tags with route details, nameplates etc. and submitted to KOC Controlling Team / CITG for approval. This shall include the civil structures such as handholes and manholes also. For development / preparation of tagging philosophy, Appendix - I of this RP shall be referred for guidance.
17.1.3
KOC approved type nameplates shall be fixed to all the handholes / manholes. The nameplate shall be rust proof, stainless steel plate of rectangular shape engraved with the handhole / manhole identification details. Two (2) nameplates, one inside and one outside, shall be provided for each handhole / manhole. These nameplates shall be fixed at the centre of the shorter walls (width) of the handhole / manhole on the leading side of the route. The inner nameplate shall be fixed 30 mm below the top edge on the inner-wall of handhole / manhole.
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17.2
Route Marker / Joint Marker
17.2.1
The Cable Route Marker shall consist of Two (2) parts viz., Marker Post and Marker Face Plate. The Cable Route Marker shall be in compliance with the KOC Drawing referred in Appendix - III of this RP.
17.2.2
The cable route marker posts shall be, Two (2) metres in length, of which One (1) metre has to be suitably buried underground.
17.2.3
The Marker Post shall be of hot-dip galvanised steel channel (‘C’ section) with a steel base plate welded perpendicular at the bottom end of the post. The plate-welded end shall be placed in the trench, not touching / damaging the OFC or main duct.
17.2.4
The Marker Face Plate shall be of hot-dip galvanised steel plates of dimensions specified in the drawing shown in Appendix - III of this RP. The marker face plates with details marked on it shall be fixed back to back on both sides of the ‘C’ section steel channel at the top end of the route marker post. The detailed specification and drawings of the Marker Face Plate and Marker Post shall be submitted to KOC Controlling Team / CITG for review and approval.
I 2 I 17.2.5
The information to be inscribed on the marker plate shall include but not limited to Project No., Tag Number of OFC, Splice Number, Route Details etc.
17.2.6
The cable route markers shall be provided with fluorescent coating, coloured, lettered and marked so as to be resistant to the prevailing weather conditions and harsh oil field environment.
17.2.7
The material, wording, logo, colour combinations and method of installation of Route Markers shall be approved by KOC Controlling Team / CITG.
17.2.8
Sample of cable route marker assembly (pole and marker face plate) shall be submitted to KOC Controlling Team / CITG for approval, prior to procurement process.
17.3
Warning Tape
17.3.1
The Warning Tape shall be made from an approved weatherproof polythene or equivalent material having a built-in ultra violet inhibition property. It shall be bonded with a metallic tracer fitted to one side. The warning tape shall be six (6) inches wide.
17.3.2
The warning tape shall be clearly marked both in Arabic and English languages and shall be continuously printed on the tape throughout its length using ‘Type II’ ink. The text given below shall be used for guidance: “CAUTION - OPTICAL FIBRE CABLE - PROPERTY OF KOC” Sample of warning tape shall be submitted to KOC Controlling Team / CITG for review and approval, prior to procurement process.
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17.4
Electronic Ball Marker
17.4.1
Electronic Ball Marker shall be installed at specified locations, which shall include various Facilities, road crossings, utility crossings, splice points etc., as approved by KOC Controlling Team / CITG.
17.4.2
The electronic ball marker shall be a)
Pre-programmed with a unique identification number,
b)
Traceable by electronic locators up to a buried depth of 1500 mm (minimum) working in all soil conditions and in the presence of all types of congestion,
c)
Having self-levelling feature to ensure an accurate, horizontal position regardless of placement on the ground,
d)
Bar coded tag with pre-programmed identification number (removable) attached.
17.5
Cable Identification Tag
17.5.1
Cable Identification Tags with information as mentioned Sub-Clause 17.5.3 of this RP shall be fixed to the Optical Fibre Cable.
17.5.2
The cable identification tags shall be manufactured with material approved by KOC Controlling Team / CITG and shall be fixed as follows:
17.5.3
a)
Every three metres within communication equipment rooms,
b)
At each location where Optical Fibre Cables enter or exit raceways,
c)
In each handhole / manhole.
in
The cable identification tags shall be clearly lettered and carry the following information:
"OPTICAL FIBRE CABLE - PROPERTY OF KOC" Project Ref. No. / Contract No.: _______________________________ Route Name: _______________________________ Type and Number of Fibres: _______________________________ Year of Installation: _______________________________ Name of Manufacturer: _______________________________
Sample of Cable Identification Tag shall be submitted to KOC Controlling Team / CITG for approval, prior to procurement process.
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17.6
Cable Tiles
17.6.1
Sulphate Resistant Cement (SRC) concrete cable tiles shall be provided over the Optical Fibre Cable as described in Sub-Clause 10.3.3 of this RP.
17.6.2
The size of cable tiles shall be 270 mm x 240 mm x 65 mm, unless otherwise specified in the project document. For typical cable tile details, Appendix - IV of this RP shall be referred.
17.6.3
Sample of cable tile shall be submitted to KOC Controlling Team / CITG for approval, prior to procurement process.
18.0
INSPECTION AND TESTING
18.1
General
18.1.1
All the test instruments used for testing and commissioning of Optical Fibre Cable (OFC) Systems shall have valid calibration certificate from the Manufacturer or their authourised calibration center approved by KOC Controlling Team / CITG.
18.1.2
Optical Time Domain Reflectometer (OTDR) of proper specification shall be used to measure distance and attenuation coefficient over the entire fibre link. They shall also be used to identify specific points along the link where losses occur, such as splices.
18.2
Pre-Installation Testing (PRIT) / Drum Testing
18.2.1
All the OFC drums shall be tested thoroughly using OTDR bi-directionally, before taking out of the storage yard / warehouse for installation. The testing shall ensure that all the fibres in the cables are available for the full drum length without any damage or unsatisfactory OTDR event. T he attenuation coefficient of each fibre shall be well within the approved limits.
18.2.2
The drum testing shall be carried out at both wavelengths of 1310 nm and 1550 nm and all the readings / traces shall be recorded and submitted to KOC Controlling Team / CITG for review and approval. These test reports shall be included in the “As-Built” Drawings / Documentation.
18.2.3
Prior to installation of OFC, the sub-ducts shall be air-pressure tested at 12 bar for Five (5) minutes and the result shall be recorded & submitted to KOC Controlling Team / CITG for review and approval and these test reports shall be included in the “As-Built” Drawings / Documentation.
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18.3
Optical Fibre Cable Testing During Installation
18.3.1
All the OFC shall be tested during the splicing work. All the fibres shall be tested and splice losses recorded using OTDR bi-directionally at both wavelengths of 1310 nm and 1550 nm. The test reports with recorded splice losses shall be submitted to KOC Controlling Team / CITG as part of the “As-Built” Drawings / Documentation.
18.3.2
“Launch fibre” of at least 500 metres length shall be used for testing the fibre links with the OTDR.
18.3.3
The OTDR test results shall include link length details and the attenuation coefficient in addition to the OTDR events along the link. All the settings adopted in the OTDR for conducting the link tests shall be provided in the approved test report format.
18.3.4
The defects noticed / reported on splicing / termination work, if any, during the installation stage shall be attended immediately and cleared. The notification for Site Acceptance Test (SAT) shall be submitted to KOC Controlling Team only after successful completion of rectification of defects and testing of the cable.
18.4
Post-Installation Testing (POIT)
I 2 I 18.4.1
After completion of installation and splicing of OFC, all the fibre links shall again be individually tested (bi-directionally) from end to end (FDP to FDP) using Optical Power Meter, OTDR and light source to ensure that all the f ibres of the installed OFCs are in good condition (as reported during the drum testing). The power loss test shall be conducted at both wavelengths of 1310 nm and 1550 nm and the results shall be tabulated and submitted to KOC Controlling Team / CITG for review and approval.
18.4.2
This test is essential to ensure that the installation activities like drum transportation and handling, cable laying / pulling etc. did not cause damage of any sort to the OFCs or in turn to the fibres in the cables installed. These test results shall be included in the “As-Built” Drawings / Documentation.
18.5
Site Acceptance Test (SAT)
18.5.1
The Site Acceptance Test (SAT) plan for the OFC Network shall be established as specified in the project document and submitted to KOC Controlling Team / CITG for approval.
18.5.2
The Site Acceptance Test (SAT) plan / documents shall include but not limited to the following: a)
Schedule of tests,
b)
Specified performances expected for each test (pass / fail),
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Test result format, which shall contain the details including but not limited to the following: (i)
The details of OFC on which the test has been carried out,
(ii)
Testing equipment Model No., Serial No. and Calibration details,
(iii) Testing equipment software version, (vi) Space for recording the names and signatures of participating Contractor Personnel and KOC Personnel, (v) d)
Space for comments.
Site Acceptance Test (SAT) results of the OFC Networks which include the following: (i)
Bi-directional OTDR test results of each fibre of all OFC installed section wise, at both wavelengths of 1310 nm and 1550 nm,
(ii)
End to end Optical Power Loss test results of each fibre of all OFC installed section wise, at both wavelengths of 1310 nm and 1550 nm.
18.5.3
The SAT shall also cover testing of earthing and bonding.
18.5.4
The complete set of SAT documents shall be submitted to KOC Controlling Team / CITG for review and approval after completion of SAT.
19.0
QUALITY ASSURANCE
19.1
The Consultant / Contractor / Manufacturer of materials of Optical Fibre Cable Systems shall operate a quality system to ensure that the requirements of this Recommended Practice are achieved. The quality system shall be preferably based on ISO 9000, certified by internationally reputed Inspection Agencies.
19.2
Verification of the Consultant’s / Contractor’s / Manufacturer's quality system is normally part of the pre-qualification procedure and therefore not detailed in this Recommended Practice.
I 2 I 19.3
For the project quality control requirements, KOC-Q-014 “KOC Standard for Project QA/QC Requirements” shall be referred.
20.0
MATERIAL STORAGE AND HANDLING
20.1
Optical Fibre Cable (OFC) and other material / accessories supplied shall be new and comply with the respective KOC Standards / Recommended Practices and project specification.
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20.2
Where OFC and material are supplied by KOC, it is the responsibility of the installer to collect and transport the materials from the KOC stores to the job sites. The material shall be examined properly before taking over and if any discrepancies noticed, it shall immediately be reported to KOC Controlling Team / CITG.
20.3
Necessary care shall be taken for storage, transportation and handling of OFC Drums and other related Instruments / Equipment, before and during installation period. Manufacturer’s recommendations in this regard shall also be adhered to.
20.4
The building for material storage for the project shall be weatherproof with secured door.
21.0
PACKING, MARKING AND DOCUMENTATION
21.1
General For details of packing, marking and shipping requirements, KOC-T-006 “KOC Standard for Optical Fibre Cables” and KOC-G-004 “KOC Standard for Packing, Marking and Documentation” shall be referred.
21.2
Documentation
21.2.1
All correspondences, drawings, instructions, data sheets, design calculations or any other written information shall be in English language. In the case of dual language, one language shall be English.
21.2.2
All dimensions, units of measurements, physical constants etc. shall be in SI units.
21.2.3
All drawings shall be submitted using symbols complying with IEC 60617 and be in Auto-CAD format, approved by KOC Controlling Team / CITG. The drawings shall be prepared in line with the requirements of KOC-EG-DO-C-001 “Engineering Drawing Practice Code”.
21.2.4
In addition to the hard copies, electronic files of all the documents (texts, specifications, datasheets, drawings etc.) shall be provided in software (MS Word, Excel, Auto-CAD etc.) approved by KOC. Design calculations shall be submitted in widely used software, approved by KOC Controlling Team / CITG.
21.3
Deliverables
21.3.1
The project documents to be delivered shall include but not limited to the following: a)
Actual “As-Built” Cable Route Map in Auto-CAD with UTM coordinates,
b)
Approved Detailed Survey Report (DSR) with all action plans,
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c)
Approved construction drawings including the route details and site details,
d)
Approved Splicing Plan and “Optical Power Budget” calculations,
e)
Approved BOM / BOQ.
The final Test Results of Optical Fibre Cable (OFC) Network System shall be submitted to KOC Controlling Team / CITG for review and approval, which shall include but not limited to the following: a)
Factory Acceptance Test (FAT) Results of the OFC and accessories,
b)
Pre-Installation Test Results of the OFC drums (PRIT),
c)
Post-Installation Test Results of the OFC sections (POIT),
d)
Splicing Test Results,
e)
Site Acceptance Test (SAT) Results of the OFC Networks which include the following:
f)
(i)
Bi-directional OTDR test results of each fibre of each OFC installed section wise at both wavelengths of 1310 nm and 1550 nm,
(ii)
End to end Optical Power Loss test results of each fibre of each OFC installed section wise at both wavelengths of 1310 nm and 1550 nm.
Manuals of special tools, testing instruments supplied as part of the project and warranty certificate of the tools and testing instruments.
22.0
SPARE PARTS AND MAINTENANCE DATA
22.1
Spares and Consumables shall be handed over to KOC Controlling Team / CITG as per the requirements of project document. The Tools and Spares to be provided shall include but not limited to the following: a)
Special tools and testing instruments required for the installation of OFC Network, as specified in the project document.
b)
Where the project involves supply and installation of OFC and accessories: (i)
Spare OFCs for various applications shall be provided as specified in KOC-T-006 “KOC Standard for Optical Fibre Cables”,
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(ii)
A minimum of 10% of OFC accessories used for the project such as Fibre Distribution Panel (FDP) assembly, splice closure assembly, pigtails etc. (rounded up to the next integer) shall be provided,
(iii)
Cabinet keys and any other hardware items required for regular operation and maintenance of the Optical Fibre Cable Network shall be provided.
APPENDICES APPENDIX - I
TAGGING PHILOSOPHY FOR OPTICAL FIBRE CABLE AND ACCESSORIES
I2I
APPENDIX - II
VARIOUS TYPES OF HANDHOLES / MANHOLES ENVISAGED FOR INSTALLATION IN THE OFC ROUTE (TYPICAL)
I2I
APPENDIX - III
OFC ROUTE MARKER / JOINT MARKER (TYPICAL)
I2I
APPENDIX - IV
OFC TRENCH AND SRC CONCRETE TILE DETAILS (TYPICAL FOR GUIDANCE)
DOC. NO. KOC-T-008 23.0
APPENDIX - I:
1.0
General
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TAGGING PHILOSOPHY FOR OPTICAL FIBRE CABLE AND ACCESSORIES
A project specific, detailed tagging philosophy shall be developed and submitted to KOC Controlling Team / CITG for approval as mentioned in the Installation Prerequisites. Separate numbering systems shall be developed for Optical Fibre Cables and its associated accessories (e.g.: FDPs, Splice Closures etc.) respectively. The construction drawings, labels / tags shall incorporate the approved numbering systems developed under the Tagging Philosophy. The tagging philosophy shall include but not limited to the type and material of labels and tags proposed for various areas and pathways including cable routes and inscriptions on labels / tags etc. The inscriptions on labels / tags shall include the names of areas and / or sites, buildings, pathways (including cable routes, handholes, manholes etc.) and equipment as finalised in the Tagging Philosophy for each project. KOC Areas, Zones, Facilities, Buildings, Equipment, Valve Pits, RTU sites, Roads etc. shall be coded as applicable for the project, which shall be approved by KOC Controlling Team / CITG, for developing the Tagging Philosophy. General rules to be applied for developing the tagging philosophy are given below for guidance:
2.0
a)
All areas / sites, buildings, pathways, etc. shall be designated,
b)
All cables and accessories (FDP, splice closures, patch cords etc.) shall be designated.
Tagging System of Optical Fibre Cable Tagging of Optical Fibre Cables shall include the following details: “Project Ref. - System - From (Facility Code - Building Code Equipment Component ID with Seq. No.) - To (Facility Code Building Code - Equipment Component ID with Seq. No.)” The detailed explanations of various descriptions in the “Tag” are given below: (a) “Project Reference”:
Project Reference Number shall consist of the four digit number assigned by KOC for each project. e.g.: EF 1111
(b) “System”
T (Telecom System) / I (Instrumentation System) / Other Systems as applicable
:
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APPENDIX - I: Contd. (c) “Facility Code”
: refers to the Facility Code / Site Name as abbreviated by KOC where the ends of the OFC are terminated / spliced. e.g.: GCxx - Gathering Center xx, BSxxx - Booster Station xxx.
(d) “Building Code”
: refers to the Building Code where the Equipment / Component for OFC termination is fixed. e.g.: CB - Control Building, TR - Telecom Room etc.
(e) “Equipment Component ID : Equipment / Panel where OFC termination is done with Sequence Number ” e.g.: FDP 01 An illustration is given below: Tagging for an OFC link from a Local Facility to Remote Facility, say, from GC15 to GC 23, shall be as follows: “1111 - T - (GC15 - CB - FDP01) - (GC23 - TR - FDP05)” Where, 1111
:
Project Ref. No.
T (Telecom System)
:
System
GC15 - CB
:
GC15 “CONTROL BUILDING”
FDP01
:
Equipment Component with Sequence No.
GC23 - TR
:
GC23 TELECOM ROOM
FDP05
:
Equipment Component with Sequence No.
Similarly, Tagging at the Remote Facility, viz., GC23, for the same OF Cable link (from GC15) shall be inscribed as follows: “1111 - T - (GC23 - TR - FDP05) - (GC15 - CB - FDP01)”
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APPENDIX - I: Contd. 3.0
Tagging System of OFC Accessories The tagging of accessories (e.g. FDP) shall follow the pattern given below: Project Ref. - Facility Code - Building Code - S ystem - Equipment Component with Seq. No. - No. of Fibres OFC Route (Local Facility to Remote Facility) The detailed explanations of various descriptions in the “Tag” are given below: (a) “Project Reference” :
Project Reference Number shall consist of the four digit number assigned by KOC for each project. e.g.: EF 1111
(b) “Facility Code”
:
refers to the Facility Code / Site Name as abbreviated by KOC e.g.: GCxx - Gathering Center xx, BSxxx - Booster Station xxx.
(c) “Building Code”
:
refers to the Building Code where the Equipment / Component for OFC termination is fixed. e.g.: CB - Control Building, TR - Telecom Room etc.
(d) “System”
:
T (Telecom System) / I (Instrumentation System) / Other Systems as applicable
(e) “Equipment Component ID : Equipment / Panel where OFC termination with Sequence Number” is done e.g.: FDP 01 (f) “No. of Fibres”
(g) “OFC Route”
:
:
Number of fibres terminated end to end (Local Facility to Remote Facility) in the link. e.g.: 24, 48, 72 etc. Starting and End points of OFC.
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APPENDIX - I: Contd. An illustration is given below: Tagging for an FDP fixed at GC15 terminating a 48 fibre OFC installed between GC 15 and GC23 is given below: 1111 - GC15 - CB - I - FDP01 - 48 GC15 TO GC23 Where, 1111
:
Project Ref.
GC15
:
Facility Code
CB (Control Building)
:
Building Code
I (Instrumentation)
:
System
FDP 01
:
Equipment Component with Seq. No.
48
:
No. of Fibres
GC15 to GC23
:
Cable Route
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APPENDIX - II: VARIOUS TYPES OF HANDHOLES / MANHOLES ENVISAGED FOR INSTALLATION IN THE OFC ROUTE (TYPICAL) R E . ] H ) T C ( O 0 N G 1 N . A I . 1 M O D . . . 1 I T E N S U T L T U N O G R I S I N D I N B O U . T I . P A E C S D E O L J E L N E S Y L B E O C O R R C R O I R I A T B D D L C L T N U S S C P B N E S I E D S E A O N C C R G A S Y R I I O F F T I E A N O F E R L P A L F O O I E C R E H F B O M E U C A [ R C O A H F E E E S C T R N G L L L E D A Y R D R N R B B B I E E T E A A A S U P L N N C C V C S O E E I L E E H E F L E E T P R R T A R H O P A E E B R E H E T D A H H T H T H T . S E W W D A W A , , A W D E I A D D D D D D T V D E D E E E E E E A O E D D D D D D D N I I I I I D I I I R I V V V V V V V P V M O O O O O O R E O O R R R R R R E B R R P P P P P P P . T L P E E E E E E E E S L E B B B B L B B B B I A B L A L R H L L L L L L S L L L L L L L C L D B A A A A A A H A A B H H H H H H F H M H S S O S S S S S / E S H H H H H H H H M H R H H H H H H H H U M : E M R C C S S E R E E H I D D R S M R D B S F W : : : : : : : : : E 1 2 3 4 5 6 7 8 9 T E E E E E E E E E T T T T T T T T O T O O O O O O O O N O N N N N N N N N N
) N O I T A C I F I C Y E P A S W T 4 C - E Y J T O I L R E I P C R T U A E O F - P E E E R A S T T E U U L E E R L L E T E O L O L T A O O O C ) Y I H O H O E L E N R R R H U O H L A D E D H D E L D ( O T T N L D N N O H W Y C C N L O K 2 E A O N A A H D H T U E A O N A R . U A U T H D A H H D H H M W D D U H O N E N H D N O E N I N N E E E A L 1 A A E R - O O O C G W N C O H N C I H N T M I I R N M G C I N H G I T T C E - T O L A A Y N N H R C Y D Y A A I T P D M N A I U U F R R R R N I N S L O T A I I U L B T T H T T S N S E I B I O N D I T P L N N C N N A S E E A E U O O I C R R R E E E N E E H O T L I R B R I C N A T T U T B D X S S G G O M U A R E A E E G L O F I I P Y Y N - B R D D S N I N I N O I B F T I T A T I I P C E C M G I R O A E C D D C L L D T R K T Y Y Y I S - D T R R A L I L E I L N E T R A A A : I M I C C D A U U E L S T C N R T I U U I O O A U O E I P S B B D A A N A I W W W F F M R R S N I D B C T D I ( B & 2 4 1 D
N - - - - - - - - - - - - - - - E . H H H H H H H H H H G R R G H D D M H H M H H H H H H D E H S E E C E E C E S M R L B R N B L B B D F F M R R S I D B C T D B
1 G D L B
R T
H H C D
H H E R ) 6 E T H O H N S E S E S ( H H C R
) H H 5 - C E R T O N E E S ( ) 4 E H T O H N C E D E S (
) 7 E T O N E E S ( H H S M
) 8 E T O N E E S ( H H E R
H M / H H EF
) 2 E T O N E E S ( H H M I
) 1 E T O N E E S ( H M / H H EF
Y E T I T R L U E I T C O N A R I F
S A D E T C U D R O ) . D T E N I R E U M B U T C C O E D R T I C D ( E E J T O U R O P R E Y H T T I N L I I C D A I E F - F R I E C T E P N I S
) 9 H E M H / T H H O E H N B E E E B R S ( H H E B H H C D D B R R B D D N N D D E T U O R Y T I L I C A F - A R T N I
2 G D L B
2 Y T I L I C A F
Y E T T I R E L I U T C O N I A R F H H E F
E U T T I R S
D A O R
Y E T T I R L U E I T C O N I A R F
) 3 E T O N E E S ( H H R D
E T U O R Y T I L I C A F - A R T N I
R D B B H M / H H E B R T
R D N D
H H C D H H E B 1 G D L B
R D N H E B D H
2 G D L B
1 Y T I L I C A F
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APPENDIX - III OFC ROUTE MARKER / JOINT MARKER (TYPICAL)
122
BOARD FIXING SCREW (TYP.)
0 4
MARKER FACE PLATE (2 mm THICK) PROJECT NUMBER OFC TAG NUMBER SPLICE NUMBER ETC. (FOR DETAILS REFER SUB-CLAUSE 17.2.5 OF THIS RP)
WARNING 3 5 3
FIBRE CABLE WITH OPERATIONAL LASER IN THIS VICINITY DO NOT DIG IN THIS AREA CALL KOC - TELECOMS Tel.23868000, 23866500
MARKER FACE PLATE 0 0 0 1
MARKER FACE PLATE 0 0 0 1
G R O U N D L E V E L
GROUND LEVEL
GROUND LEVEL
0 0 0 1
0 0 0 1
A
A
STEEL POST 0 1 0
3
3
3
100
200
2 0 0
SIDE VIEW
FRONT VIEW
ISOMETRIC VIEW
OFC ROUTE MARKER / JOINT MARKER (TYPICAL) 25
NOTES: 1. ALL DIMENSIONS ARE MILLIMETERS (mm) 2. WARNING BOARDS WILL HAVE BLACK LETTERING ON ORANGE REFLECTIVE BACKGROUND 3. ALL STEEL MATERIALS SHALL BE HOT-DIP GALVANIZED.
0 3
15
15
SECTION A - A
DOC. NO. KOC-T-008 I 2 I 23.0
APPENDIX - IV
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OFC TRENCH AND SRC CONCRETE TILE DETAILS (TYPICAL FOR GUIDANCE)
DOC. NO. KOC-T-008
Page 56 of 57 ACKNOWLEDGEMENT
REV. 2 I2I
This KOC Recommended Practice (Rev. 2) has been approved by the Standards Technical Committee (STC) consisting of the following Members: Mr. Muhsin Y. Ali Mr. Mohd. Emam Mr. A. Unnikrishnan Mr. G. Unnikrishnan Mr. Mohd. Aslam Imadi Mr. Nandkumar Aravind Mr. Mohammad Al-Ajmi Mr. Haitam Aboughaith Mr. Amar Jaragh Mr. Abdulla Al-Yousef
TL Project Control Team Ag. TL Standards Team Insp. & Corr. (S&EK) Team Standards Team Tech. Exp. Team Tech. Exp. Team HSE Systems Team Tech. Systems Team Gen. Projects Team Insp. & Corr. (N&WK) Team Project Mgmt. (NK) Team
Ag. Chairman Deputy Chairman Secretary / Member Member Member Member Member Member Member Member
The Draft of Rev. 1 of this Recommended Practice had been circulated to the KOC User Teams for review and responses were received from the following Teams: AHMADI SERVICES GROUP
AHMADI PROJECTS GROUP
Team Leader Utilities
Team Leader Corporate Proj. - I
EXPORT OPERATIONS GROUP
HEALTH, SAFETY & ENV. GROUP
Team Leader Export Tech. Svcs. Team Leader HSE - Exp. Opns. & Mar. Opns.
Team Leader Safety Team Leader HSE Systems
INDUSTRIAL SERVICES GROUP
OPERATIONS GROUP (WK)
Team Leader Insp. & Corr. (S&EK)
Team Leader Opns. Tech. Svcs. (WK)
OPERATIONS SUPPORT GROUP
OPERATIONS GROUP (EK)
Team Leader Maint. Supp. & Reliability (S&EK)
Team Leader Maint. EK II
OPERATIONS SUPPORT (GAS) GROUP
PROJECTS SUPPORT SVCS. GROUP
Team Leader Gas Maint. Supp. & Reliability Team Leader HSE (Gas)
Team Leader Tech. Expertise Team Leader PMC Mgmt. Team Leader Quality & HSE
SUPPORT SVCS. GROUP (NK)
SUPPORT SVCS. GROUP (WK)
Team Leader HSE (NK) Team Leader Proj. Mgmt. (NK)
Team Leader HSE (WK) Team Leader Proj. Mgmt. (WK)
