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INDEX

PAGE 1. SCOPE 2 2. GENERAL 2 3. QUALITY ASSURANCE 2 4. MATERIALS 3 5. INSTALLATION DETAILS 4 5.1 General 4 5.2 Cable Laying 6 5.3 Earthing and Bonding 8 5.4 Instrument Installation Design Details 8 5.5 Calibration and Testing 12 5.5.1 General 12 5.5.2 Acceptance Certificates 12 5.5.3 Materials 12 5.5.4 Cables 13 5.5.5 Earthing and Bonding 13 5.5.6 Impulse Lines 13 5.5.7 Instrumentation 14 5.5.8 Loop Testing 14 5.6 Drawings 15 5.7 Corrosion Protection 15 APPENDIX I REFERENCED PUBLICATIONS 16 APPENDIX II PVC COVERED STAINLESS STEEL TUBE 18 APPENDIX III LIST OF ACCEPTANCE CERTIFICATES 19 APPLICABLE HEREIN

GENERAL NOTE

Portions of this Specification have been changed from the previous edition. The locations of changes have been marked with a bar in the margin, as shown to the right of this paragraph. In some cases the changes are significant, while in other cases the changes reflect minor editorial adjustments.

2 11-92 GENERAL REVISION

Rev. Date Description / Text Affected

ADMA-OPCO SP - 1001

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1. SCOPE This Specification covers the general requirements of ADMA-OPCO for the installation of instruments and control systems for both Offshore and Das Island. 2. GENERAL 2.1 The instruments and control systems shall be installed in accordance with the relevant sections of the latest edition of the Standards, Codes of Practice and Procedure mentioned in Appendix I of this Specification. 2.2 All installation work shall be carried out in accordance with the ADMA-OPCO Permit to Work procedure. The Contractor is responsible for acquisition of the "Operations Departments Permit to Work" with all necessary authorisation to ensure commencement of work on the programmed start dates. Particular attention shall be paid to this requirement for modifications or tie-ins to existing on-line systems. 3. QUALITY ASSURANCE 3.1 Major Contracts The requirements of ADMA-OPCO Specification SP-1009 shall apply to all Contractors performing major project work for ADMA-OPCO. 3.2 Other Contracts The Contractor shall supply a Quality Manual which shall be submitted to ADMA-OPCO with the tender documents. Following an order the Contractor shall submit a Quality Plan which shall be subject to approval by ADMA-OPCO. The Contractor shall ensure that the quality requirements are applied to the materials, equipment and services provided.



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4. MATERIALS 4.1 The material to be supplied as "Free Issue" to the Contractor is limited to that listed in the ADMA-OPCO Bill of Materials for instrumentation. The Contractor shall, prior to commencement of work, check and confirm that the quantities of free issue materials as specified in the Bill of Material are sufficient to complete the works in accordance with the Particular Specification. Supply of all other materials required to complete the installation in accordance with this Specification is the responsibility of the Contractor. 4.2 Materials supplied by the Contractor shall include but not be limited to air subheaders, instrument stands, marshalling box stands, test equipment, necessary material for fabrication of supporting brackets, nuts, bolts washers, and identification boxes and cables. A list of construction materials to be supplied by the Contractor shall be submitted to ADMA-OPCO for approval prior to placement of order. Material quantities shall be determined from the instrument installation contract drawings and schedules. 4.3 The Contractor shall be responsible for:- 4.3.1 Transportation of all equipment to be installed by him, including that provided as "Free Issue" in item 4.1. This shall include collection from ADMA-OPCO stores sorting of materials and transport to site. 4.3.2 Provision of all necessary plant, equipment and labour to handle, load-up, transport and place the materials where required. 4.3.3 Ensuring all items are in good order at the time of collection and reporting immediately any deficiency to the ADMA-OPCO Site Engineer.



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4.3.4 Replacement of any lost or damaged equipment following acceptance from the ADMA-OPCO Stores until the issue of the completion certificate for the works by the ADMA-OPCO Site Engineer. 4.3.5 Providing ADMA-OPCO with a list of all surplus and redundant materials. 4.3.6 Disposal of materials, including transportation from site to ADMA-OPCO Stores or Scrap Yard or as directed by the ADMA-OPCO Site Engineer, on completion of the contract. 4.3.7 Maintaining the site in an orderly and safe manner and leaving it in a tidy condition prior to his departure including removal of temporary offices etc. from site on completion. 5. INSTALLATION DETAILS 5.1 General 5.1.1 The Contractor shall provide fully qualified and competent tradesmen skilled in the particular field of work in which they are engaged together with a suitably qualified and responsible Engineer or Supervisor experienced in instrument installation and testing in accordance with the drawings, relevant standards and regulations. Where applicable and at the discretion of ADMA-OPCO the Contractor shall engage the services of a Specialist Sub-contractor (e.g. instrument manufacturer's personnel) to ensure the equipment is correctly installed and commissioned and guarantees maintained. 5.1.2 Locations of instrument stands marshalling boxes etc. shown on drawings are approximate.



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It shall be the responsibility of the Contractor to obtain exact location information from the ADMA-OPCO Site Engineer and to ensure cables are laid to the required position with sufficient termination length. Re-routed cables shall not be disconnected without written permission of the ADMA-OPCO Site Engineer. 5.1.3 For remote mounted instrumentation subject to prevailing climatic conditions, ADMA-OPCO will supply free-issue GFRP protective enclosures unless otherwise stated in the contract particular specifications. Prevailing Climatic Conditions a. Ambient temperature 5 oC to 50 oC. b. Direct sunlight (metal temperature) 85 oC max. c. Humidity - 5% to 100%. d. Rainfall -- negligible but can be heavy for short periods. e. Salt and dust laden atmosphere. 5.1.4 The Contractor shall comply with ADMA-OPCO regulations regarding safety to work. No excavation shall be commenced without a duly authorised and valid 'Excavation Permit'. All new buried cable routes will be pegged out by ADMA-OPCO prior to excavation. 5.1.5 Particular attention shall be paid to the installation and testing of instrumentation and equipment associated with intrinsically safe circuits. Work shall be done in strict accordance with the particular construction specification and relevant certificates of approval where applicable.



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Testing shall include the necessary initial inspection of Intrinsically Safe (I.S.) systems prior to commissioning. 5.1.6 Inspection and acceptance of the completed installation shall be based upon compliance with all the relevant drawings, Standards and Codes of Practice and Procedure mentioned herein. In the instances where conflict or ambiguity arises, the Contractor shall seek the advise of the ADMA-OPCO Site Engineer whose decision shall be final. 5.2 Cable Laying 5.2.1 Cable laying shall comply with the relevant sections of BP STD 121 (GS 112-1), BP CP 17 (RP12) and BP CP 18 (RP 30) plus the specification requirements herein. 5.2.2 Prior to commencement of work, written agreement shall be obtained by the Contractor from the ADMA-OPCO Site Engineer establishing the condition of cable duct covers and where exposed, the cable ducts. Any subsequent damages will be at the Contractor's cost. All duct covers are to be properly stacked in the locations agreed by the ADMA-OPCO Site Engineer. 5.2.3 All cables shall be laid by hand unless otherwise agreed by the ADMA-OPCO Site Engineer. In the event of pulling by mechanical means being permitted, the Contractor shall provide the necessary dynamometer and all equipment necessary to ensure that the maximum stresses permitted by the cable manufacturer are not exceeded. 5.2.4 Cables shall be run in continuous, unbroken lengths. Joints will not be permitted unless the route length exceeds the maximum manufactured drum length, or jointing of the cable is otherwise specifically authorised by the ADMA-OPCO Site Engineer.



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5.2.5 All cables shall be neatly laid and crossovers reduced to a minimum to permit the removal and replacement of single cables with a minimum of disturbance to others. 5.2.6 Where existing earthing cables are being re-routed or cut, the Contractor shall be responsible for obtaining the necessary permit for the work to proceed and also to ensure that all associated electrical equipment is properly earthed before any work commences. 5.2.7 For onshore applications where the contract specification or drawings indicate cables laid as "direct buried", or run in an existing concrete cable trench, it is implicit that the Contractor is responsible for all cable route excavation and restoration. Minimum cover for direct buried cables is given on the drawings and BP STD 121 (GS 112-1). Group separation between power and instrument cables whether buried or surface run is to be in accordance with the details given on the drawings and described in BP CP 18 (RP 30) and BP STD 121 (GS 112-1). 5.2.8 The Contractor is advised that cable lengths stated in the schedules are approximate and include excess quantity for cutting etc. He will therefore be responsible for ascertaining cable lengths required for installation prior to cutting and laying. Exact lengths of cable to be supported on tray or steel work shall be confirmed by the ADMA-OPCO Site Engineer. 5.2.9 When it is required to expose cables run in concrete duct sections, the Contractor shall not use tools which may cause damage to the cable outer sheath.



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5.3 Earthing and Bonding The instrument earthing installation shall be carried out in accordance with the relevant Standards, Codes of Practice and Procedure given herein, with particular reference to BP CP 17 Part 16/STD Drawing No. S-0596M and CP 18 Part 2 Section 5/BP STD Drawing No. S-1962 latest edition . All metal marshalling boxes shall be solidly connected to the 70mm2 bare copper conductor earthing ring main. Items should be connected to the ring by means of 25mm2 cross section green/yellow PVC covered copper earth cable. On offshore installations where earth rings do not exist, the earthing should be by 25mm green/ yellow Chlorosulphonated polyethylene (CSP) covered, flexible copper earth cable to a suitable earth bar or structure earth point. Through joints, tee offs etc. shall be carried out using soldered & wiped or brazed joints. 5.4 Instrument Installation Design Details 5.4.1 No instrument shall be installed so that it depends for support upon: a. The impulse piping, unless so designed. b. The electrical connection to it. 5.4.2 Field instrumentation shall be mounted on instrument stands or shall be bracketed to suitable firm steelwork or masonry. Handrails or process pipework shall not be used for support unless otherwise directed in writing by the ADMA-OPCO Site Engineer. Field instruments should normally be mounted about 1.4 metres from the floor or platform level. 5.4.3 Instrument impulse lines shall not be supported from process pipework except where other means would be impractical and the ADMA-OPCO Site Engineer has given his approval.



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5.4.4 Piping and tubing shall be run with the minimum number of changes of direction and where unions are used, joints shall be offset neatly and shall be systematically staggered when two or more lines run together. 5.4.5 Precaution shall be taken to prevent foreign material entering pipe lines before or during installation. All lines shall be blown with oil free dry air before being connected to instruments. 5.4.6 Impulse lines shall be constructed using only the material supplied by ADMA-OPCO or material approved by the ADMA-OPCO Site Engineer. 5.4.7 The impulse lines shall be bent where necessary using only approved pipe benders. There must be no reworking of tubing and no tight bends. Where a tight bend is unavoidable an elbow compression fitting as specified in 5.4.6 should be used. 5.4.8 Impulse lines shall be made from stainless steel with a 2mm thick black PVC coating as detailed in Appendix II of this Specification. Wherever feasible, the nuts employed on compression couplings shall have the necessary clearance to let over this coating and shall be fitted with a suitable O-ring to prevent ingress of moisture from the atmosphere. 5.4.9 Protection of impulse line fittings i.e. compression fittings shall be provided by a preformed P.V.C. sleeve, self-amalgam tape, P.V.C. spray coating or other ADMA-OPCO approved method. Final colour should be black. 5.4.10 Piping and tubing shall be supported to provide adequate mechanical security and installed so that no section or run is left under strain.



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The distance between any two supports shall not exceed 1.5m (5 ft) for 15mm (1/2") O.D. pipe. Tubing 6mm (1/4") and 10mm (3/8") shall be continuously supported by cable tray and firmly fixed by the use of clips. Alternatively tubing may be installed by suitable supports with a minimum of 0.75m (2.5 ft) spacing. Mounting to the supports shall be by poly-tube spacers or similar to ensure tubing separation and elevation, with prior approval of ADMA-OPCO. The type of clips shall be resistant to the corrosive offshore Gulf environment (see para 5.1.3 of this Specification) and are subject to ADMA-OPCO approval. It will however, be incumbent on the Contractor to satisfy the ADMA-OPCO Site Engineer that the above has been complied with. 5.4.11 Cable trays shall be manufactured from Glassfibre Reinforced Polyester (GRP) to an approved design and shall be installed with the breadth of the tray in the vertical plane. Where ADMA-OPCO's Site Engineer agrees that a vertical run is not possible, a short horizontal section may be used, but the run shall revert to the vertical plane at the nearest point. Where unavoidable horizontal run tray shall be fitted with suitable covers. 5.4.12 All cables are to be made off using the correct glands specified by ADMA-OPCO. Earthing of instruments, marshalling boxes and at the control panels will be as in BP CP 18 Part 2 Sec. 5/BP Standard drawing No. S-1962. 5.4.13 All cables shall be fitted with indestructable identification bands at each end and then over their entire length at 30m (l00ft) intervals, at all points where they enter and leave ducts, and at all changes in direction. etc.



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5.4.14 The Contractor shall be responsible for supplying tags and labels, type to be approved by ADMA-OPCO for all field instruments and marshalling boxes. 5.4.15 All marshalling boxes, piping and ferrous materials to be used will be protected by painting to the appropriate painting specification/ ADMA-OPCO Specification SP-1020 for Protective Painting. 5.4.16 All back of panel wiring shall be run in trunking but where this is not practicable cables shall be neatly loomed, all to the satisfaction of the ADMA-OPCO Site Engineer. 5.4.17 After completion of wiring, circuits shall be tested without disturbing the wiring. Pressure, temperature and level switches mounted in the field are to be tested by operating contacts manually where possible. 5.4.18 All cable cores/single core cable and pneumatic tube shall be identified by push-on cable markers (designed to completely encircle the conductor) or sleeves. Tag numbering shall be as specified by ADMA-OPCO. 5.4.19 Cable cores shall be terminated using insulated crimp connectors compatible with the terminal block used, e.g. flat pin and eyelet. NB : Spade type connectors are not acceptable. Crimp connections shall be made using an approved crimping tool all to the satisfaction of the ADMA-OPCO Site Engineer.



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5.5 Calibration and Testing 5.5.1 General Instruments and control systems shall be calibrated and tested in accordance with the relevant sections of the Standards, Codes of Practice and Procedure as given in 2.1 of this Specification and the requirements hereinafter. 5.5.2 Acceptance Certificates 5.5.2.1 Records of all calibrations, tests and conformity checks shall be provided by the Contractor using the acceptance certificates listed in Appendix III. Relevant certificates will be supplied to the Contractor as directed by the ADMA-OPCO Site Engineer. 5.5.2.2 The acceptance certificates shall be completed by the Contractor and attested by the ADMA-OPCO Site Engineer prior to commissioning. 5.5.2.3 The procedure for site testing and witnessing shall be agreed in writing by the ADMA-OPCO Site Engineer prior to commencement of work. 5.5.3 Materials The Contractor will be responsible for supplying all the tools, construction plant, temporary materials and test equipment required to test the installation.



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A list of all instrument test equipment shall be submitted to ADMA-OPCO Site Engineer for approval prior to commencement of work. This test equipment shall have a standard accuracy better than the manufacturers stated accuracy for the instrument to be tested. Up-to-date test certificates shall be provided to support test equipment suitability. 5.5.4 Cables All cables/wiring shall be tested for continuity and insulation resistance, the test voltage shall be compatible with the cabling being tested. Equipment or devices shall not be connected during cable/wiring testing. 5.5.5 Earthing and Bonding The Contractor shall test the existing earthing system at the points where he is extending to new facilities. Results shall be compiled and presented to the ADMA-OPCO Site Engineer for record purposes. 5.5.6 Impulse Lines 5.5.6.1 The Contractor is responsible for testing of impulse lines down stream of the process isolation valve. 5.5.6.2 For testing, impulse lines shall where practicable, be disconnected immediately down stream of the process isolation valve. The instruments shall be disconnected from the lines during the testing. 5.5.6.3 After first flushing with fresh water the lines shall be hydrostatically tested for a minimum period of one hour without a fall in pressure.



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The test pressure shall be 1.5 times the process design pressure (max. allowable working pressure). 5.5.6.4 On satisfactory completion of tests, the lines shall be purged, cleaned and dried out using oil free dry instrument air. The impulse lines shall then be re-connected at the process isolation valve and the instruments. 5.5.7 Instrumentation All instruments shall be calibrated, in an approved manner, in the Contractor's workshop prior to installation to the satisfaction of the ADMA-OPCO Site Engineer. 5.5.8 Loop Testing After completion of wiring, circuits shall be tested without disturbing the wiring. 5.5.8.1 All instrument systems shall be loop tested and calibrated by simulating service conditions wherever possible. As a minimum, pressure, temperature and level switches mounted in the field are to be tested by operating contacts manually. 5.5.8.2 The operation of electronic loops shall be checked with a precalibrated electronic meter connected in the circuit at the control panel. Wherever possible loop function checks shall be achieved by operation of the field transmitter, by simulating service conditions.



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5.5.8.3 The Contractor shall be responsible for demonstrating to complete satisfaction of the ADMA-OPCO Site Engineer the operation of all trips, alarms and shutdown associated with this installation. 5.6 Drawings Work covered by this Specification shall be carried out in accordance with the instrument installation contract drawings supplied by ADMA-OPCO. The Contractor shall be responsible for updating all drawings to include all modifications made on site. 5.7 Corrosion Protection 5.7.1 The Contractor must ensure that all instrumentation equipment or materials free issued by ADMA-OPCO or Contractors supply are protected in accordance with ADMA-OPCO Specification SP-1002 for Preservation of New Materials and Equipment. 5.7.2 The Contractor shall replace at his expense any items of equipment that have suffered damage or deterioration as the result of improper attention to corrosion protection. MJL/HM/JND/MRM/l r/4950n



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APPENDIX I

REFERENCED PUBLICATIONS The latest edition or revision of the following Codes/ Drawings shall, to the extent specified herein, form a part of this Standard:- - American Petroleum Institute (API) API RP 550 Installation of Refinery Instruments and Control Systems - American Society for Testing and Materials A 269 Specification for Seamless and Welded Austenitic Stainless Steel Tubing for General Services - British Standards Institution (BSI) BS 5345 Code of Practice for the Selection, Installation and Maintenance of Electrical Apparatus for use in Potentially Explosive Atmosphere - Energy Industrial Council (EIC) CCI P/l Instrument Installation - Testing Procedure - BP CP 17(RP 12) Electrical Systems and Installation CP 18(RP-30) Instrumentation STD 121 Electrical Engineering Specification (GS 112-1) for Materials and Workmanship



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- ADMA-OPCO SP-1000 Materials for Sour Service SP-1002 Specification for Preservation of New Materials & Equipment SP-1009 Requirements for Contractors Quality System on Major Projects SP-1020 General Specification for Protective Painting



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APPENDIX II

PVC COVERED STAINLESS STEEL TUBE DESCRIPTION Tube - Seamless stainless steel tube to ASTM A 269 Grade 316L, supplied in the solution annealed condition. Maximum hardness - Rockwell RB 80 Sizes - 6mm to 25mm OD (1/4" to 1") Test Pressure 1.25 x Design Pressure Sheath - High temperature, black PVC, 2mm thick and shall be a tight fit on outside diameter of tube. PVC shall be resistant to UV degradation, and be fire retardant. Working Temperature - 80øC Outer Finish - Shiny General - Tube & Sheath shall be clearly marked in green print at intervals along it's length bearing, "ASTM A 269", Grade & Size. Tubing shall be supplied in nominal 3 metre lengths with straight ends. The tubing is to be suitable for wet H2S/ Chloride duty. The condition of material shall, therefore, comply with the requirements of NACE Std MR 01 75 and ADMA-OPCO Specification SP-1000, for resistance to both sulphide and chloride stress corrosion cracking.



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APPENDIX III

LIST OF ACCEPTANCE CERTIFICATES APPLICABLE HEREIN

SHEET NO

ACCEPTANCE CERTIFICATE

1. Instrument Loop Pre-acceptable

2. Calibration/Test Sheet - Controller

3. Indicating & Recording Controllers

4. Indicators and Recorders

5. Transmitters

6. Thermocouple or Resistive Elements

7. Control Valves

8. Alarms & Shut-downs

9. Analysers & Special Instruments

10. Self Acting Regulators

11. Pressure Gauges & Industrial Thermometers

12. Instrument Loops

13. Miscellaneous Instruments & Components

14. Instrument Pre-installation Calibration Sheet

15. Instrument Loop Check

16. Instrument - Loop Acceptance

17. Calibration/Test Sheet - Signal Converter

18. Calibration/Test Sheet - Switch

19. Calibration/Test Sheet - Element

20. Calibration/Test Sheet - Annunciator

21. Calibration/Test Sheet - R/T T/C

22. Calibration/Test Sheet - Valve Positioner/Actuator

23. Calibration - Device Test Sheet

24. Impulse/Transmission Line Test Sheet



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APPENDIX III - CONT’D

SHEET NO ACCEPTANCE CERTIFICATE 25. Calibration/Test Sheet - Computer 26. Calibration/Test Sheet Indicator - Transmitter 27. Calibration/Test Sheet 28. Control Cable - Check List 29. Check List - Ex(d) FLP Enclosure 30. Check List - Ex(i) Intrinsically Safe Equipment 31. Check List - Ex(p) Enclosure 32. Check List - Ex(s) Enclosure



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sp-1001 rev.2

Documents

prevailing

operating

process isolation

simulating

level switches

opco site

acceptance

opco specification