C 4 SPECIFICATION & SCOPE FOR SUPPLY OF LINE PIPES … specification & scope for supply of line pipes (emergency spares) page 1 of 18 c 4 – specification & scope for supply of line

SPECIFICATION & SCOPE FOR SUPPLY OF LINE PIPES (EMERGENCY SPARES)

Page 1 of 18

C 4 – SPECIFICATION & SCOPE FOR SUPPLY OF LINE PIPES (EMERGENCY SPARES)

SPECIFICATION AND SCOPE FOR SUPPLY OF LINE PIPES(EMERGENCY SPARES)

C4 Scope of Supply Page 2 of 18

Contents Page

1 INTRODUCTION ............................................................................................................................................. 4

1.1 GENERAL .................................................................................................................................................... 4 1.2 BACKGROUND ............................................................................................................................................ 4 1.3 DEFINITIONS ............................................................................................................................................... 4 1.4 ABBREVIATIONS ......................................................................................................................................... 4

2 CODES, SPECIFICATION AND STANDARDS .................................................................................... 4

2.1 PRIORITY OF THE DOCUMENTS ............................................................................................................... 5

3 SCOPE OF SUPPLY ...................................................................................................................................... 6

4 TECHNICAL REQUIREMENTS ................................................................................................................. 7

4.1 MATERIAL SPECIFICATION ....................................................................................................................... 7 4.2 MANUFACTURING AND INSPECTION DATA ........................................................................................... 8

4.2.1 General ............................................................................................................................... 8 4.2.2 Mill requirement ............................................................................................................... 8 4.2.3 Documentation ................................................................................................................. 8 4.2.4 Certification ....................................................................................................................... 8 4.2.5 TPI ........................................................................................................................................ 8 4.2.6 TPI Qualifications ............................................................................................................ 8 4.2.7 Inspection and Testing ................................................................................................... 9 4.2.8 Pipe Lengths ..................................................................................................................... 9 4.2.9 First Day Production (bare pipe and coating) .......................................................... 9 4.2.10 SSC and HIC Test Requirement ................................................................................... 9 4.2.11 Impact Test ........................................................................................................................ 9 4.2.12 CTOD (Add Abbreviation) .............................................................................................. 9 4.2.13 Hardness Test ................................................................................................................... 9 4.2.14 Pipe Ends ........................................................................................................................... 9 4.2.15 Marking ............................................................................................................................... 9 4.2.16 Coating ............................................................................................................................. 10 4.2.17 Coating Repair criteria ................................................................................................. 10 4.2.18 API License ..................................................................................................................... 11

4.3 ADDITIONAL REQUIREMENTS ................................................................................................................ 11 4.3.1 Protection of Pipe Ends and Bevels ......................................................................... 11 4.3.2 External Painting ........................................................................................................... 11

5 DOCUMENTATION ...................................................................................................................................... 11

5.1 INFORMATION TO BE SUPPLIED WITH TENDER .................................................................................. 11 5.2 INFORMATION TO BE SUPPLIED AFTER AWARD OF CONTRACT ..................................................... 12

6 DELIVERY ....................................................................................................................................................... 12

6.1 LOCATION ................................................................................................................................................. 12 6.2 SUPPLIER RESPONSIBILITIES ................................................................................................................ 12

7 SHIPPING REQUIREMENTS .................................................................................................................... 12

8 WARRANTY ................................................................................................................................................... 13

APPENDIX – I PIPELINE DESIGN DATA FOR PART A PIPELINE ............................................... 14

APPENDIX – II TABLE OF COMPLIANCE .................................................................................................. 15

APPENDIX – III REQUISITION FOR ENGINEERING DOCUMENTS .................................................. 17



APPENDIX – IV APPROVED VENDOR LIST FOR STEEL PLATE MILLS ...................................... 18

APPENDIX – V APPROVED LABS FOR HIC AND SSC TESTING .................................................... 18

APPENDIX – VI APPROVED LIST FOR TPI ............................................................................................... 18



1 INTRODUCTION

1.1 General

This specification covers the minimum requirements for the supply of line pipe for Oman Gas Company SAOC (OGC), hereafter referred to as the COMPANY.

1.2 Background

Oman Gas Company (OGC) has been assigned by MOG to construct and maintain gas pipeline’s network, within Oman to provide gas supply to the various industries.

1.3 Definitions

COMPANY/OWNER/PURCHASER: Oman Gas Company SAOC (OGC) MANUFACTURER: The party, which manufactures the line pipe SUPPLIER: The party, which supplies the line pipe to the

PURCHASER PROJECT: Supply of Carbon Steel Pipes for OGC Contingency

SHALL: is to be understood as mandatory in relation to the requirements of this Document.

SHOULD: is to be understood as a strong recommendation to comply with the requirements of this Document.

1.4 Abbreviations

The following abbreviations are used in this document

API CA CPP

American Petroleum Institute Corrosion Allowance Centre Processing Plant

CS CTOD DFT

Carbon Steel Crack Tip Opening Displacement Dry Film Thickness

FED GSS

Front End Design Gas Supply Station

HFW HIC MCS MOG NCS

High Frequency welding Hydrogen Induced Cracking Thermo Mechanically Formed (Sour) Ministry of Oil & Gas Normalized or Normalizing Formed (Sour)

OGC Oman Gas Company S.A.O.C PDO Petroleum Development Oman LLC PE/FBE QCS QCP

Polyethylene/ Fusion Bonded Epoxy Quenched and Tempered (Sour) Quality Control Plan

SAWL SMYS SSC TPI 3LPE

Longitudinal Submerged Arc Welding Specified Minimum Yield Strength Sulphide Stress Cracking Third Party Inspection Three Layer Poly Ethylene

2 CODES, SPECIFICATION AND STANDARDS

The design, engineering, manufacture, inspection, testing, supply and shipment of the line pipe shall be in accordance with the latest edition of the codes, specifications and standards listed in this requisition. It is assumed that the standards listed below are in the MANUFACTURER’s possession. If however, any of the documents listed are not in the MANUFACTURER’s possession, they are requested to contact the PURCHASER.



The manufacturing, inspection, testing, supply and shipment of the line pipe shall be in accordance with the following:

Line pipe

API 5L, 45 th edition

Specification for Line Pipe

DEP 31.40.20.37-Gen (Feb 2013)

Line pipe for Critical Service (Amendments/Supplements to ISO 3183:2007)

External Coating

DEP 31.40.30.31-Gen (Feb 2011 )

External Polyethylene and Polypropylene Coating for Line pipe.

Internal Coating

DEP 31.40.30.35-Gen (Sept 2012)

Internal Coating of Line Pipe for Non-Corrosive Gas Transmission Service

SP-1246 -Part 1 to 4 -2010 --Part 5 -2014

Specification for Painting and Coating of Oil and Gas Production Facilities

Other related reference standards (Latest Edition)

API RP 5L1 Railroad Transportation of Line Pipe.

API RP 5LW Recommended Practice for Transportation of Line Pipe on Barges & Marine Vessels

ASME B31.8 Gas Transmission and Distribution Piping Systems

ISO 21809 External coatings for buried or submerged pipelines used in pipeline transportation systems

EN10204 Metallic Products-Type of Inspection Documents

ISO 10474 Steel and Steel Products – Inspection Documents

NACE MR 0175 Standard material requirements – Metals for Sulphide stress cracking and Stress corrosion cracking resistance in sour oilfield environments

NACE TM 0284 Evaluation of Pipeline and Pressure Vessel Steels for Resistance to HIC

ISO 15156 (Part -1,2 &3)

Petroleum and Natural Gas Industries - Materials for use in H2S-containing environments in Oil and Gas Production

SP-1171- 2012 Specification for Quality assurance of Design, Construction and Engineering works

SP-2041-2014 Specification for Cracking – Resistant Materials for H2S-Containing Environments

All other documents specified in the above mentioned codes and specifications shall also be complied with, by the SUPPLIER/MANUFACTURER to the extent as specified therein. If no revision number or issued date is mentioned, reference shall be made to the latest revision in force at the time of issue of this document. The SUPPLIER/MANUFACTURER shall provide an itemised list of any comments or exceptions to the specification and its attachments. Only those comments / exceptions that are accepted by the /COMPANY approval, will be incorporated into the requisition at the time of the order.

2.1 Priority of the documents

In case of conflict between documents relating to the enquiry or purchase order, the following priority of documents shall apply: First priority : Purchase order and variations thereto



Second priority : This specification Third priority : PDO Specifications Fourth priority : DEP technical specifications Fifth priority : International standards This specification shall in no way release the SUPPLIER/MANUFACTURER from the final guarantee as to the materials, apparatus, workmanship and the performance.

3 SCOPE OF SUPPLY

The SUPPLIER’s scope shall include but not be limited to the following: Manufacturing, Co-ordination with MANUFACTURER (including sub SUPPLIER, sub-MANUFACTURER’s), expediting, Inspection, Testing, Certification, Documentation and delivery of Line pipe including 3LPE external and Epoxy internal coating as per the standards as given below:

Item Quantity

(12M Spool)

Nominal Diameter

(inch)

Min. W.T.

(mm) (*)

Line pipe

Coating

001

5 Each

36

15.9

Sour, API 5L Gr. X70/L485, PSL2, SAWL, 3LPE

External-3LPE (min. 3.7 mm) Internal-Epoxy Flow coat (min. DFT 75 microns)

002 10 Each

24

12.7



003 5 Each 20 14.3



004 7 Each 18 7.1



005 10 Each 16 9.53



006 3 Each 12 8.7

Sour, API 5L Gr. X52/L360, PSL2, SMLS/HFW, 3LPE


007 3 Each 12 6.4



008 4 Each 10 6.4





009 6 Each 8 6.4



Notes:

1) For more details on Line pipe, refer to the PURCHASER’s information or Data presented in APPENDIX-I.

2) The quantities are preliminary and the actual quantities shall be confirmed prior to

placement of order by PURCHASER. The PURCHASER at their own discretion may

increase or decrease the quantities.

3) All line pipes shall be suitable for Sour service requirements in accordance with SP-2041

and NACE MR 0175/ISO 15156. The test shall include SSC and HIC in accordance with

this specification, SP-2041, API 5L and DEP 31.40.20.37-Gen. (Annex H).

4) Line pipes shall be internally Flow coated as per SP-1246 PCS-12, DEP 31.40.30.35-

Gen. and externally three Layer Polyethylene (3LPE) coated as per DEP 31.40.30.31-

Gen.

5) The coils / plates shall be sourced from OGC approved steel mills mention in Appendix-

IV Line pipes shall be manufactured at OGC approved pipe mills and the coating shall

be carried out at OGC approved coating mills. The plate / pipe / coating mills shall

submit MPS and ITP prior to starting the manufacturing/application to the COMPANY for

approval.

6) All coils/plates shall be sourced from one supply source for the entire pipeline length.

7) All line pipes shall be manufactured at one pipe mill.

8) All pipes shall be coated at one coating mill.

9) Pipes shall be tested for SSCC and HIC resistance. Sampling shall comply with Table

H3 of DEP 31.40.20.37 GEN February 2013. However, the heats selected for testing

shall be tested in both plate and pipe form. The list of approved labs are mention in

Appendix-V

(*)No negative tolerance is allowed on these minimum specified thicknesses.

4 TECHNICAL REQUIREMENTS

4.1 Material Specification

Material Grade : API 5L Gr. X42/L290, X52/L360, X60/L415, X65/L450 & X70/L485 etc. as mentioned in the attached appendix Material Technical Specification: API 5L, DEP 31.40.20.37- Gen; DEP 31.40.30.31- Gen, DEP

31.40.30.35, Sour, NACE MR-0175/ISO 15156 and SSC & HIC resistant as per DEP 31.40.20.37-Gen,and SP-2041.

Manufacturing Process : SAWL/HFW/SMLS

Note:

Source of coils/plate to be confirmed by the SUPPLIER in the offer.



4.2 Manufacturing and Inspection Data

4.2.1 General

Line pipe shall be manufactured, inspected, tested, coated, marked and supplied in accordance with API 5L, DEP 31.40.20.37-Gen, SP-1246 and other codes, specifications and standards listed in this specification.

4.2.2 Mill requirement

The coils/plates shall be sourced from OGC approved steel mills (Appendix-V). Line pipe shall be manufactured by JCOE process at OGC approved pipe mills and the coating shall be carried out at OGC approved coating mill.

4.2.3 Documentation

The MANUFACTURER shall submit a complete and detailed Manufacturing Procedure Specification (MPS) and Quality Control Plan (QCP) of plate and pipe for the COMPANY’S approval at least three weeks prior to the start of production. The requested contents of the MPS and QCP shall be as stated in DEP 31.40.20.37- Gen section 8 and Annex B. The MANUFACTURER’s target chemical composition of the steel shall show all elements stated in DEP 31.40.20.37- Gen (section 9) and shall include the element combinations, ratios, carbon equivalent and PCM values.

4.2.4 Certification

The MANUFACTURER shall submit material certificates for row material (plates/coil) as per EN 10204 – 3.1/ ISO 10474 - 3.1.B. and material certificates for finish pipes as per EN 10204 – 3.2/ ISO 10474 - 3.1.C All cost associated with this shall be on the MANUFACTURER’s account.

4.2.5 TPI

SUPPLIER/ MANUFACTURER shall appoint TPI from COMPANY approved agency. All cost associated with this shall be borne by the SUPPLIER/ MANUFACTURER. The TPI for sub- MANUFACTURER’s including associated cost shall be borne by SUPPLIER/ MANUFACTURER. Prior to start manufacturing, Company inspector(s) will be deployed to SUPPLIER/ MANUFACTURER premises. SUPPLIER/ MANUFACTURER shall provide the following, on his own expense, as a minimum: (Appendix VII)

1- SUPPLIER/ MANUFACTURER shall provide accommodation near to the factory 2- SUPPLIER/ MANUFACTURER shall provide transportation between the

accommodation and the factory, and from and to the airport for arrival and departure. 3- SUPPLIER/ MANUFACTURER shall provide fully equipped office with minimum of

computer with internet access, desk and chair, printer

4.2.6 TPI Qualifications

TPI coverage shall be 100%/round the clock/all shifts.

The TPI Inspector for pipe mill shall have minimum 7 years inspection experience in similar jobs and shall have Bachelor degree, AWS/CSWIP and ASNT Level II certifications.



The TPI Inspector for coating mill shall have minimum 7 years inspection experience in similar jobs and shall have Bachelor degree, BGAS/NACE Level II certifications.

Selection of TPI Inspectors will be carried out after face to face interview only.

MANUFACTURER shall extend all support at his work for the COMPANY appointed Inspector(s).

4.2.7 Inspection and Testing

SUPPLIER/ MANUFACTURER will be responsible for inspection of the work. The line pipes shall be inspected and tested as per DEP 31.40.20.37-Gen. (section 10) and applicable annexure. All inspection notifications shall be raised to the COMPANY in well advance time.

4.2.8 Pipe Lengths

The pipe lengths shall be 12 meter random length (Minimum 9.0 meters and maximum 13.7 meters with minimum average length of each order item of 11.5 meters.) as per CL 9.11.3.2 of DEP 31.40.20.37 Gen.

4.2.9 First Day Production (bare pipe and coating)

First day production for each thickness shall be witnessed and approved by COMPANY. The SUPPLIER/ MANUFACTURER shall provide access to the facilities and all documents/ tests related with the first day production to the COMPANY for review. The COMPANY shall be notified 3 weeks in advance prior to the first day production.

4.2.10 SSC and HIC Test Requirement

SSC and HIC sensitivity tests shall be carried out in accordance to API 5L, SP-2041 and DEP 31.40.20.37-Gen. (Annex H). Controlled specimens shall be used during the HIC test to ensure the sensitivity of the bath. SSC testing shall be applicable for procedure qualification, including for repair qualification. All HIC and SSC testing shall be carried out in Company approved laboratories only. (Appendix-VI) The Re-testing of failed heat shall not be permitted. The failed heat shall be rejected.

4.2.11 Impact Test

Impact test shall be carried out at -10 deg C as per Clause 9.8 of DEP 31.40.20.37.

4.2.12 CTOD (Add Abbreviation)

CTOD shall be carried out for procedure qualification, including for repair qualification.

4.2.13 Hardness Test

Hardness test shall be carried out as per Clause 10.2.4.8 of DEP 31.40.20.37 and Annex H

4.2.14 Pipe Ends

The pipe ends shall be beveled as per API 5L (section 9).

4.2.15 Marking

Line pipe marking requirements shall be as stated in section 11 of API 5L and DEP 31.40.20.31-Gen.



4.2.16 Coating

External PE Coating The external coating shall comply with the following requirements. Coating Specification : DEP 31.40.30.31-Gen Type of Coating : 3 Layer PE Coating Coating system : Coating system shall be approved by Company PE Coating Process : Sleeve or cross-head extrusion /Side extrusion. (Sintered PE not

allowed) The three layers shall comprise of:-

First Layer : Fusion Bonded Epoxy (FBE) primer, minimum dry film thickness (DFT) 300 microns, (with chromate sub layer) actual thickness to be proposed by SUPPLIER

Second Layer : Extruded adhesive (Type & thickness to be proposed by SUPPLIER) Final Layer : Extruded Polyethylene outer layer (Type & thickness to be proposed by SUPPLIER) Manufacturer shall not proceed with coating procedure qualification unless and until the approval of coating MPS, ITP’s and procedures. The pipe ends up to 150 mm (-0mm, + 20mm) shall be free of PE coating to facilitate field welding. Polyethylene coating at both ends of each pipe shall be chamfered to form a bevel angle not exceeding 30°as per DEP 31.40.30.31. The uncoated ends of the PE coated pipes and bare pipes shall be painted with a removable varnish as a temporary corrosion protection during transportation. Sampling and testing shall be as per DEP 31.40.30.31 Gen. Tests shall be witnessed and reviewed in accordance with approved ITP. Peel tests and cathodic disbondment tests shall be carried out at 23, 50, 60 and 80 degrees centigrade. Internal coating

- Internal epoxy flow coating shall be carried out in accordance with SP-1246, PCS-12 and DEP 31.40.30.35-Gen.

- Internal coating of epoxy flow coating shall have cut back length of 50mm (-0mm, 25mm) at both ends.

- A removable varnish shall be applied as protection during transportation at the

unprotected ends.

4.2.17 Coating Repair criteria

The MANUFACTURER shall propose repair criteria in case of damage to pipe or coating during handling/ shipment in accordance with the requirements of Para 8 of DEP 31.40.30.31-Gen, for



PURCHASER’s approval. The painting procedure shall contain / address the repair requirements and shall submit for COMPANY approval.

4.2.18 API License

The MANUFACTURER shall have a valid license of API monogram for manufacturing of line pipe in accordance with the requirement of API 5L (Annex O). Manufacturer shall submit copy of the license as part of technical submission for approval.

4.3 Additional Requirements

4.3.1 Protection of Pipe Ends and Bevels

Pipes shall be supplied with bevel ends. All bevels shall be fitted with metallic bevel protectors of a type in accordance with the DEP 31.40.20.37-Gen. which shall be approved by the PURCHASER before dispatch. The pipes shall also be provided with plastic end caps.

4.3.2 External Painting

The portions of uncoated pipes and bare pipes shall be painted with a removable varnish as a temporary corrosion protection during transportation in accordance with MANUFACTURES’s procedures and requirements. MANUFACTURER can recommend/ propose equivalent external paining/varnish in the technical submission. The proposal acceptance shall be solely at the discretion of COMPANY.

5 DOCUMENTATION

5.1 Information to be supplied with Tender

The Supplier shall provide the following information as a minimum requirement with the tender. These documents shall include but shall not be limited to:

Source and location of the steel supply and plate manufacturing.

Identification of pipe mill.

Identification of coating plant (Internal / External).

Manufacturing and delivery schedule including part shipments.

Description of manufacturing process.

Typical Quality Control Plan (QCP) covering the complete manufacturing process (bare and coating) in accordance with the requirements of SP-1171.

Filled in table of compliance (Appendix III). Deviations (if any) shall be clearly mentioned along with the supporting documents.

Inspection and Test Plan (ITP) for both line pipe manufacturing, 3LPE and internal flow coat.

Details of steel plate manufacturer, rolling mill and coating mills, their approval status with

OGC etc.

Copies of valid ISO 9001, ISO 14001 and OHSAS 18001 certificates.

Copy of ILAC/ISO 17025 certificate of in-house mechanical testing laboratory API certificate

Previous track record of manufacturing and supply of similar line pipes for at least two years. The detail should include pipe size, pipe material and grade, year of manufacturing quality and customers etc.

Preliminary draft copies of Manufacturing Procedure Specifications (MPS), Weld Procedure Specification (WPS), Repair procedure, NDT and heat treatment procedures, testing procedures etc.

Any other information/ proof required as part of this specification.



5.2 Information to be supplied After Award of Contract

The Supplier shall provide to the PURCHASER, for COMPANY approval, the documents and drawings listed in the “Requisition for Engineering Documents” attached in Appendix IV.

6 DELIVERY

6.1 Location

The line pipes shall be delivered as Delivery Duty Paid (DDP) and loaded to the Purchaser trailers at Suhar (Sohar) or /and Ad-Duqm Ports, Sultanate of Oman. All costs associated with loading (point of origin), shipment and unloading (point of destination-PURCHASER trailers) shall be in the SUPPLIER scope. SUPPLIER shall provide batch wise details of each shipment and their delivery schedule at least 4 weeks before shipment.

6.2 Supplier responsibilities

The Supplier shall be responsible for all activities including transportation, intermediate storage etc. but not limited to:

Supplier shall be responsible for all berthing, mooring and watching during delivery.

Supplier shall be responsible for all demurrage incurred and caused by supplier

Supplier shall be responsible for the intermediate off-loading of supplier’s vessels and will be responsible for all wharfage, stevedoring & carneage.

Any damage to pipes coating shall be repaired free of charge by the SUPPLIER as per MANUFACTURER’s recommendation.

7 SHIPPING REQUIREMENTS

The SUPPLIER shall comply with the following shipping requirements:

Type of vessel : Box hold type, Open hatch, properly geared.

Stowage / Handling : Stowage under deck only.

Terms of shipment : DDP, direct discharge onto trailers, unhooked.

Take away by PURCHASER per day : To be advised (metric tons)

Shipment shall be in line with API 5L (section 14), API RP 5LW and DEP 31.40.20.37-

Gen. (section 14).

PE coated hooks suitable to handle pipes with bevel protectors shall be delivered with

the pipes and used. Stowage plan shall show stowage location of each item.

Charter party shall include dispatch / demurrage clause.

All customs duty and port clearance charges shall be borne by SUPPLIER.

SUPPLIER is responsible to ensure that any damage to pipe and/ or coating shall be

repaired prior to loading on board the vessel, during shipment or offloading to

PURCHASER trailers. Damage and repair criteria to be agreed between SUPPLIER and

PURCHASER.

The shipping manifest shall clearly state that the consignment consists of pipes and

COMPANY shall approve pipe-to-pipe storage protection prior to shipment. In addition,

written instruction shall be given to the stevedore’s to store the pipe with care such as to

eliminate damage.



8 WARRANTY

The SUPPLIER shall provide warranty for the supplied items for 18 months from date of delivery or 12 months from date of commissioning whichever is longer.



APPENDIX – I PIPELINE DESIGN DATA FOR PART A PIPELINE

Nominal Pipeline Size As Per SOW

Wall thickness As Per SOW

Approximate Length As Per SOW

Type of Pipe SAWL / HFW / SMLS

Pipeline Material As Per SOW

Medium Dry Natural Gas

Fluid Category D

Pipeline Design Code ASME B 31.8

Pipeline Class CLASS – I

Pipeline Location Class Class – 1

Design Pressure 9270 kpag

Minimum design Temperature 0 ◦ C

Maximum design Temperature Above Ground: 82 ◦ C Below Ground: 70 ◦ C

Black Bulb Temperature 82 ◦ C

Buried Yes

Cathodic protection Yes, Impressed Current

Pipeline internal coating Flow Coat in accordance with scheme PCS-12 of SP-1246

Pipeline external coating 3 Layers PE as per DEP 31.40.30.31-Gen.

Type of field joint coating Heat shrink sleeves

NACE, HIC, SSC test Requirement Yes, as per SP-2041, ISO 15156

Design Life 25 years



APPENDIX – II TABLE OF COMPLIANCE

The MANUFACTURER/SUPPLIER shall confirm below that the offer complies with all the clauses contained in this specification or otherwise highlight deviation / exceptions under the clarification column.

Client

REQ NO.

: Oman Gas Company

:

Supplier Ref:

SPEC. REC. NO.

CONFORMS Y/N

ALTERNATIVE Y/N

NOTED Y/N

CLARIFICATIONS*

1.1

1.2

1.3

1.4

2.0

2.1

3.0

4.1

4.2.1

4.2.2

4.2.3

4.2.4

4.2.5

4.2.6

4.2.7

4.2.8

4.2.9

4.2.10

4.2.11

4.2.12

4.2.13

4.2.14

4.2.15

4.2.16

4.2.17

4.2.18

4.3.1



4.3.2

5.1

5.2

6.1

6.2

7

8

Appendix I

Appendix II

Appendix III

Appendix IV

Appendix V

Appendix VI

Note: * - The MANUFACTURER/SUPPLIER shall submit the associated clause number including page number of applicable codes, standards and references with supporting documents for COMPANY review



APPENDIX – III REQUISITION FOR ENGINEERING DOCUMENTS

REQUISITION FOR ENGINEERING DOCUMENTS RED FORM

The following addresses shall be inserted by Seller in the relevant space on the “Approval Drawing Specification” (ADS) form DEP 05.00.54.81-Gen. Or the “Final Drawing Specification” (FDS) form DEP 05.00.54.82-Gen.

Purchasing Office Company Distribution Office

Oman Gas Company SAOC P.O. Box 799, PC-133 Muscat, Sultanate of Oman

Oman Gas Company SAOC P.O. Box 799, PC-133 Muscat, Sultanate of Oman Attention: (as per terms of purchase)

SPECIAL INSTRUCTIONS Prints Documents shall be sent to:

Production Schedule-Line pipe (Sour service)

Manufacturing, delivery, inspection & testing schedule- Line pipe (Sour service)

DRAWINGS Required number for TIMING FOR SUBMITTAL

Approval drawings / Final drawings to be submitted under cover of an ADS form / FDS form respectively

Approval Final issue - for approval 3 weeks before start of manufacturing

Electronic Prints Electronic Prints - final issue with material delivery

Manufacturing Procedure Specification (MPS) 1 3 1 3

Quality Control Plan (QCP) 1 3 - -

Manufacturing and delivery schedule 1 3 - -

Inspection Procedure 1 3

Painting and Coating Procedures 1 3

SPARE PARTS DOCUMENTS E-SPIR forms as per specification Electronic Prints E-SPIR(Electronic Spare Parts and Interchange-ability Record) software and user guide should be obtained from the principal(Ref. DEP 70.10.90.11)

-

TEST AND INSPECTION DOCUMENTS

Electronic Prints

Approval / Final documents to be submitted under cover of an ADS / FDS forms respectively (As per ISO 10474: Type. 3.1.C)

1 3 Documents shall be submitted to:

Material certificates as per API 5L and DEP 31.40.20.37-Gen. 1 3 PURCHASER

All testing report & certificates of NDT, physical testing, documents and test records as per API 5L and DEP 31.40.20.37-Gen.

1 3 Inspection/certification documents shall be received within 4 weeks of final inspection

Material test certificates to ISO 10474-3.2 for tests witnessed by COMPANY representative, and the rest as per ISO 10474-31C.

1 3 One copy of all of above documents shall be shipped with the line pipe

OPERATING DOCUMENTS Electronic Documents shall be submitted to:

ADDITIONAL REQUIREMENTS

Note: 1. Reference is made to Document No. GU-556 (Guideline for Vendor Project Documentation Deliverables).

2. Referenced standards / codes shall be of latest issue unless stated otherwise.

REMARKS

Invoice must certify that the drawings and engineering documents specified above have been dispatched to all parties concerned. Any deviation from the timing for submittal of documents shall be notified to the Approval / Distribution Offices by E-mail or fax. Shop fabrication shall not be started before the required approval drawings have been released for construction by the party concerned, unless otherwise stated on the “Approval Drawing Specification”. Each document shall bear the item / tag and order reference number and be dispatched by air mail, unless specified otherwise.

Units / dimensions to be used on Engineering documents shall be SI. (Exceptions to SI units are standardized imperial units for nominal sizes of pipe, valves, flange bolting, etc.). The documents shall be in English. Description on drawings and similar documents may be in other languages provided English translations are also given. Drawings and documents shall be suitable for microfilming and comply with accepted national or international standards for the preparation of technical drawings. The following standard sizes are preferred: A4, A3, A2, A1.

Equipment : Line pipes (Sour)

Plant : N/A

Principal : OMAN GAS COMPANY

Equipment Nos. : N.A

Sheet : 1 of 1

Requisition no. : CS PIPE Rev A



APPENDIX – IV APPROVED VENDOR LIST FOR STEEL PLATE MILLS

Sl No: Vendor Country

1. Mannesmann Germany

2. Dillinger Germany

3. Sumito Metal Japan

4. Nippon Steel Japan

5. JFE Steel Japan

6. Posco Korea S.Korea

APPENDIX – V APPROVED LABS FOR HIC AND SSC TESTING

Sl No: Vendor Country

1. Lonestar Alpha Oman (for HIC only)

2. Exova Abhudabi

3. Exova UK

4. Sidertest Italy

APPENDIX – VI APPROVED LIST FOR TPI

Sl No: Vendor

1. AIB Vincotte International Ltd.

2. American Bureau of Shipping Services Inc.

3. Bureau Veritas

4. Det Norske Veritas

5. Germanischer Llyod

6. Lloyds Register of Shipping

7. TUV Bayern Sachesen

8. Velosi TUV Bayern LLC