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CABLE AND DRUMS IDENTIFICATION

In document Specification for Instrument Cables (Page 31-39)

The following information shall be indelibly printed in English (all dimension in metric), on the surface of the cable jacket at regular interval over the entire length of the cable for each of the identification.

• Voltage Grade

• Cable type

• Cable length (every 1 meter)

• Number of Conductors

• Conductor Size/Sizes

• IEC Standard

• Supplier’s name

• Year of Manufacture

Cable ends shall be properly sealed and fixed to the drum.

5.2 Marking on Drums

RED paint shall be applied on both sides of cable drums for cables intended for FPSO, while BLUE paint on both sides of cable drums for cables intended for wellhead platforms.

The non-returnable wooden drums shall be marked with the following information:

• Purchase Order Number

• Supplier’s name or Trademark

• Drum number

• Cable type

• Voltage grade

• Insulation type

• Number of Cores and core size

• Total cable length (m)

• Net and gross weight

• Manufacturer’s name or trademark

• Month and year of manufacture

The text shall be printed on stainless steel plate and stapled or fixed to both sided of the drum.

Actual cable length on the reel should be 3% more than specified on the purchase order.

No negative tolerance shall be allowed

6.0 QUALITY ASSURANCE, INSPECTION & TESTING 6.1 Quality Assurance

Supplier specific project quality plan shall make reference to and reflect the requirements of Company’s Project Quality Plan CP2-0000-00-QA-QPL-0001. The Supplier, and his Sub-Suppliers, shall operate a quality system satisfying the applicable provision(s) of ISO 9000 (series), or agreed equivalent standard, commensurate with the goods and services provided.

The Supplier shall ensure that his sub-suppliers operate a quality system meeting the specified conformance criteria to ISO 9000. The Supplier’s Quality System will be subject to the Purchaser’s approval prior to issue of a Purchase Order. Major Sub-Suppliers will be subject to the same approvals. The Purchaser reserves the right to conduct a Quality Audit at the Supplier’s /Sub-Supplier’s facilities at any stage during manufacture.

The Supplier shall provide facilities for, and cooperate with, Purchaser and Inspectors during manufacturing, assembly and testing.

6.2 Inspection

Inspection and testing shall be carried out in accordance with the approved Project Quality Plan CP2-0000-00-QA-QPL-0001and shall comply with the requirements of this specification, the data sheets and other referenced documentation forming part of the Purchase Order.

The Purchaser or his nominated consultant reserves the right to carry out its own inspection at the manufacturer’s works. The Supplier shall provide free access to his works, and to that of his Sub-Suppliers, for both the Purchaser and his authorized representative(s). All necessary certification documents relating to materials, shop test data, etc., shall be made available to verify that the requirements of the purchase order are being met.

The responsibility for inspection rests with the Supplier. The approval of any work by the Purchaser, or their authorized representative, and the release of equipment for shipment shall in no way relieve the Supplier of any responsibility for carrying out the provisions of this specification.

The Supplier shall furnish a representative quality plan detailing his normal scope of inspection and testing with the bid.

6.3 Testing

All testing shall be carried out at the manufacturer’s test facility. Test equipment shall be supplied by the manufacturer and shall be calibrated within six months of the test date. The minimum scope of testing is summarised below. The Supplier shall supply an ITP with the Tender.

The Supplier shall provide the Purchaser with at least 14 calendar days advance notice to witness tests performed in either the Supplier’s shop or his sub-Suppliers shops.

Arrangement for 3rd party witness/Surveyor’s shall be by Supplier.

6.3.1 Visual Tests

Visual inspection for general workmanship, cable construction such as concentricity, dimension checks, cable marking, colour coding and so on shall be performed.

6.3.2 Type Tests Non-electrical

• Bending test

• Flame test on sheath

• Ageing test on completed cables to test compatibility between materials

• Specific test on insulation material

• Test under fire conditions

• Test on gas evolved during combustion electric cables Electrical

• Insulation test

• Impulse voltage withstand test

• Measurement of physical dimension of cable sheath insulation and armour

• Mechanical properties of insulation before and after ageing

• Insulation resistance measurement at ambient temperature

• Insulation resistance measurement at maximum conductor temperature.

• Immersion test.

6.3.3 Routine Tests

• Spark test on conductor insulation and oversheath

• Voltage test on completed cable

• Insulation resistance

• Conductor resistance

• Partial discharge test (on HV cables)

• DC voltage test on oversheath 6.3.4 Special Tests

• Conductor examination by inspection and measurement for compliance to IEC 60092.

• Measurement of thickness of insulation, sheath, armour/braid, etc.

• Armour resistance

• Fire resistance test to IEC 60331

• Flame retardant test to IEC 60332

• Oxygen Index to ASTM D2863

• Acid gas generation as per IEC 60754-1&2

• Smoke density test to ASTM E662/IEC 61034-2

• Temperature index test.

• NEK 606 SHF-2 MUD test

Upon completion of inspection and testing, sample of cable from each reel shall be provided to Purchaser

After testing, the ends of the cables or wires shall be sealed to prevent the ingress of moisture. Three copies of certified test reports shall be submitted to Purchaser or their designated representative for each reel of cable.

Sample of typical cables shall be provided prior to purchase for Purchaser inspection. A short section of each cable type/size shall be stripped at time of inspection and gland shall be made off to demonstrate that it forms a certifiable seal. Similarly crimp/compression connectors shall be made off on the test piece.

If the test shows the cable is not acceptable then the cable shall be rejected and immediately replaced with suitable cable. If suitable cable is not available then Supplier shall be responsible for all costs in replacing the cable with suitable cable without slippage including customs duties and any resultant loss of cost recovery.

Fibre optic’s bandwidth and attenuation tests shall be performed in accordance to International standards.

7.0 PREPARATION FOR SHIPMENTS

The Supplier shall be responsible for preparation for export shipment including: packing, protection, preservation, labelling and marking of all items.

All cables shall have been fully tested and inspected prior to packaging. No packaging activities shall commence without the prior consent of the Purchaser. The purchaser shall be notified of the dates of packaging with sufficient notice to allow attendance for completion of inspection and release certificates without affecting the required delivery schedule.

A careful inspection shall be made to ensure that all operating instructions and labels plates are in place, legible and have not been obscured during painting operations.

Protection shall be provided against atmospheric corrosion while in transit and while in outdoor storage.

No equipment shall be allowed to leave the Supplier’s premises without such certificate being signed, or a written waiver issued.

Packing shall consider that the cables may be kept in storage for 12 months without damage in an outdoor tropical climate at fabrication yard and offshore salt laden environment.

Supplier shall provide full details on the preservation method and any schedule requirements during the year.

The drums and the cable details shall be recorded in detail on the packing list. The transported drums shall have necessary fastenings, protections and lifting facilities to satisfy lifting and sea fastening loads and restraints.

8.0 SUPPLIER DATA REQUIREMENTS

The Supplier shall provide the following information as appropriate for each size and type of cable. All units shall be in metric. Certified information shall be supplied a minimum of 3 weeks before cable is shipped.

• Number and size of conductors making up the cross-sectional areas of each core together with cross-sectional view.

• Insulation type and thickness

• Inner and outer sheath thickness (max. average and min.)

• Shielding (binding) tape thickness and details of shielding including overlap

• Individual conductor diameter under and over insulation

• Cable diameter, under armour, over armour as well as overall cable diameter and tolerance on overall diameter

• Maximum manufacturing and shipping length using standard cable reel

• Approximate net weight per unit length

• Reactance per unit length at 60 Hertz

• AC resistance per unit length at 60 Hertz

• Insulation resistance

• Capacitance per unit length

• Short circuit withstand capacity curve

• Current carrying capacity at ambient temperature

• Current carrying capacity derating factors due to temperature, grouping, spacing, laying.

• Maximum allowable cable pulling tension

• Minimum allowable and recommended bending radius

• Terminating and splicing instruction including list of suitable terminating fittings

• Recommended for field testing of cable after installation

• Information on the cable resistance to crude oil, natural gas, diesel, solar radiation (UV) over an extended period of time

• Zero sequence impedance of the cable

Fabrication of any equipment shall not commence until the Purchaser has reviewed and approved calculations, drawings and any other design documentation.

9.0 GUARANTEE

The Supplier shall guarantee all equipment furnished to be in compliance with this specification and drawings.

The Supplier shall guarantee all material against defect, damage or non-conformity and or workmanship.

If any defect or mal-performance occurs during the guarantee period of 12 months after commissioning, the Supplier shall make all necessary alteration, repair and replacement immediately and at no charge to Purchaser.

10.0 DOCUMENTATION

As a minimum, Supplier is responsible to provide documentation for the equipment items as defined in Supplier data requirements in Section 8.0. Supplier is responsible for all documentation in strict accordance with the requirements of the specifications.

The Supplier shall furnish soft copies of drawing/documents that are of suitable professional quality. Drawings that are, in Purchaser’s opinion not of suitable quality will be returned to the Supplier for resubmission or at Purchaser’s option may be redrafted by Purchaser or their representatives at Suppliers expense.

The electronics documents required shall be in Microsoft Office 2003 or Adobe PDF file format.

In document Specification for Instrument Cables (Page 31-39)

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