CN11PR001Rev4 - Electrical Installation Works

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QUALITY PROGRAM

TEKFEN-AZFEN

ALLIANCESANGACHAL TERMINAL EXPANSION PROGRAMMECOMPANY DOC NOTB-CDOAZZ-CS-PRO-0001

REV. NOPAGE / OF

41/15

CONTRACTORS DOC NO

269-CN-11-PR-001

SANGACHAL TERMINAL EXPANSION PROGRAMME

TEKFEN-AZFEN ALLIANCEPROCEDURECOMPANY DOC NOTB-CDOAZZ-CS-PRO-0001

FORREV. NOPAGE / OF

ELECTRICAL INSTALLATION415/15

CONTRACTORS DOC NO

269-CN-11-PR-001

PROCEDURE

FOR

ELECTRICAL INSTALLATION WORKS

4Re-issued as a common document for ACG & Shah Deniz ProjectA.C.C.I.M.G.L.K.08/10/2003

3Revised as per comments of the Company transmitted by transmittal No: FFD-24/AIOC/TKAZ/DT-0693 dated 05.02.2003N.C.I.M.G.L.K.06.02.2003

2Revised as per comments of the Company transmitted by transmittal No: FFD-24/AIOC/TKAZ/DT-0550 dated 27.11.2002N.C.I.M.G.T.B.29.11.2002

1Revised as per comments of the Company transmitted by transmittal No: FFD-24/AIOC/TKAZ/DT-0436 dated 09.10.2002N.C.I.M.G.T.B.04.11.2002

0Issued for ApprovalN.C.I.M.G.T.B. 28.09.2002

REV.DESCRIPTIONPREPDCHKDAPPRDDATE

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INDEX

SECTIONTITLE

PAGE

1.0SCOPE

4

2.0DEFINITIONS

4

3.0CODES, STANDARDS AND SPECIFICATIONS

4

4.0ELECTRICAL INSTALLATION5-8

5.0EQUIPMENT IN HAZARDOUS AREAS

8

6.0CABLE SUPPORT SYSTEMS

9

7.0CABLE INSTALLATION

9-11

8.0CABLES INSTALLED UNDER GROUND

12

9.0CABLE MARKINGS

12

10.0CABLE TERMINATIONS

13

11.0EARTHING AND BONDING

14-15

12.0LIGHTNING PROTECTION SYSTEM15

13.0INSPECTION AND TESTING 15

1.0SCOPE

This procedure defines requirements for electrical installation works in Construction of Sangachal Terminal Expansion Programme within the scope of Tekfen Azfen Alliance group.

2.0 DEFINITIONS

2.1 Please refer to Quality Program Doc. No.: 269-QA-00-QD-002 for definitions.

3.0 CODES, STANDARDS AND SPECIFICATIONS

3.1 The applicable codes and standards shall be in accordance with listed in the Company's Specification,BR-CDZZZZ-CS-SPE-0002

3.2 Specifications, drawings and reference data supplied by the Company, as per the contract shall also be applicable.

3.3 Where there is contradiction between documents supplied by Company and the specified codes & standards or legal requirements, such contradiction shall be immediately transferred to Company and will be clarified by the Company.

3.4 Applicable specifications listed are as follows: The Company's Specification, BR-1GZZZ-ME-SPE-0001: General Engineering Specification

The Company's Specification, BR-CDZZZZ-CS-PHI-0004 : Electrical Design Philosophy

The Company's Specification, BR-CDZZZZ-SA-PHI-0002: HS&E Philosophy

Related international standards:

ISO 9001/2Quality Systems

IEC 60364Electrical Installation of Buildings (Onshore)

TEKFEN Quality Manual for Pipeline and Related Facilities Rev.: 6,

The Contractors approved Quality Program, Doc. No.: 269-QA-OO-QD-002

The Contractors Inspection & Test Plan for Main Works, Doc. No.:269-QA-00-QD-003

to be submitted to Company for approval

4. ELECTRICAL INSTALLATION

4.1 General

4.1.1 Due care shall be taken to prevent accidents such as overturn, fall and contact during transportation and installation of electrical machine and apparatus (hereinafter referred to as electrical equipment).

4.1.2 On temporary placing, the electrical equipment shall be placed so as to have no obstruction for traffic, and proper measures shall be taken to prevent the damage due to falling body, etc. and the decrease in insulation performance due to water penetration, etc.

4.2 Transport.

4.2.1 Transport of electrical equipment to their erection place shall be executed safely after due consideration of ground condition, access route condition etc.

4.2.2 Slings used for equipment lifting shall be in good condition and of enough strength.

4.2.3 During lifting, sling will be kept on the position of sling mark. If sling mark is not shown on the case, due care shall be taken to adjust the catching position of wire rope, and prevent damage for equipment and accessories.

4.3 Unpacking

4.3.1 Unpacking of supplied equipment or materials shall be done under the witness of COMPANY, to check for equipment name, type, quantity, and no damage during transportation.

4.3.2 Unpacking work shall be done using necessary tools so that the equipment and materials are not damaged.

4.4 Installation and Mounting

4.4.1 Equipment shall be installed exactly by means of setting them to stipulated foundation elevation, measuring horizontal level, vertical level, and dimension between base line to the equipment, so that the equipment can act to the best of its ability.

4.4.2 Liners to be inserted under the chassis of equipment shall be set to both sides of foundation bolts in the nearest point. In case, distance between anchor bolts is long, liners shall be inserted to middle point, too. Quantity of liners to be inserted shall be maximum 3 sheets per each point.

4.4.3 Connection parts where tightening torque is specified, shall be tightened by using torque wrench. Only a requirement to torque once, this should be done in item 4.4.44.4.4 Each bolt shall be tightened again, after completion of installation work, as well as external inspection of equipment, malfunction and so on.

4.4.5 Panels of boxes to be mounted on wall, shall be basically mounted on bracket or rack manufactured for this purpose. But, in case of wall of concrete or wood, these panels can be mounted directly on wall.

4.4.6 Unless otherwise specified in construction documents, installation level of the electrical equipment shall be as follows, as a rule:

(1) Indoor

Distribution board, power switchboard for repair, etc.:

from floor to upper point of panel

1.8 m

Tumbler switch:

from floor to the center

0.9 m

Plug socket:

from floor to the center

0.45 m

(2) Outdoor

Distribution board, power switch board for repair, etc.:

from ground or floor level to the upper

1.5 m

Tumbler switch:

from ground or floor level to the face of lower side

1.2 m

Plug socketsfrom ground or floor level to the upper point

1.5 m

4.4.7The IP rating of the equipments should be maintained throughout the installation.

4.5 Switchgear and MCC s

4.5.1 Supports, fixing arrangements shall be installed to suit the equipment with which they are associated.

4.5.2 Switchboards and control panels will be placed on suitable support frames and installed complete with separate or integral plinths where required and shown at the approved drawings. They shall be erected and aligned in accordance with the approved drawings.

4.5.3 Transit packing material shall be carefully removed and stored and the complete equipment thoroughly cleaned from foreign bodies.

4.6 Transformers

4.6.1 Transformers will be placed on a flat level, previously prepared base in the position shown on the layout drawings and shall be positioned using the wheels and lifting points provided.

4.6.2 After positioning, wheeled transformers shall be fastened directly to the base foundation strictly in accordance with the instructions on the vendor installation drawings approved by the Company.

4.6.3 On completion of the installation and before the main power cables are connected test and inspections will be carried out in accordance with inspection and test plan approved by the Company.

4.7 Motors

4.7.1 Sufficient length shall be allowed in the power cable cores at the motor terminal box for at least two cores to be easily interchanged.

4.7.2 Motor specifications will be checked if placed in hazardous area with its requirements.

4.7.3 Cable glands in motor terminal box will be tightened properly.

4.7.4 Motor chassis will be bonded to earth bar to the relevant Switchgear.

4.8Lighting, small Power and Power Outlets

4.8.1 The exact location of luminaries and socket outlets to within one meter shall be determined by the Contractor to ensure that they are both accessible for maintenance and avoid obstruction by other services. In the case of major deviations from the relevant approved drawings the selected locations shall be subject to acceptance of the Company.

4.8.1 Welding or drilling of primary steelwork, vessels and tanks for supports and brackets are not permitted.

4.8.2 It shall be ensured that the continuity of the cable armour is maintained where cables loop in and out of luminaries, socket outlets and junction boxes.

4.8.3 Lighting and small power cables shall be run on main cable routes wherever possible.

4.9 Trace Heating

4.9.1 Trace heating tapes and accessories will be installed strictly in accordance with the suppliers instructions and approved drawings.

4.9.2 Trace heating tapes will be fixed to pipes in the orientation and pattern shown on the Suppliers drawings using approved glass cloth tapes supplied.

4.9.3 Adequate trace heating tape loops will be installed at valves and other removable items, in accordance with the Suppliers installation instructions, to allow equipment removal without removal of the tapes.

4.9.4 Overlapping of trace heating tapes, which might cause hot spots shall be avoided.

4.9.5 Trace heating tapes will be protected against direct contact with sharp edges, e.g. at valve flanges or where tapes leave or enter cladding.

4.9.6 Trace heating tapes will not be cut and left with their ends exposed to the environment for more time than is necessary to complete the application of end seals, splices or cold end connections. Tape ends, which are likely to be exposed for any length of time, will be sealed using with electrical isolation tapes.

4.9.7 End seals, splices and cold end connections shall be made in accordance with the Suppliers instructions using purpose made tools. Splices and end seals will be made only at positions shown on the drawings.

4.9.8 Insulaton resistance test will be applied to heating tapes before and after the insulation on the pipelines. After insulation is completed, warning labels will be attached.4.9.9 The junction boxes used at the trace heating circuitry to be earthed as shown on the drawings, the tape cable screen to be connected to the earting busbar inside the junction box and this busbar to be connected to the nearest earthing grid.5.0EQUIPMENT IN HAZARDOUS AREAS

5.1 All equipment and materials intended for use in a hazardous area shall be installed in accordance with IEC 60079: Electrical Apparatus for Explosive Gas Atmospheres.

5.2 The Contractor shall ensure that all certified electrical equipment has been labeled or marked by the manufacturer with the correct Ex protection type, gas group and temperature classification where applicable and that the appropriate certificate has been supplied.

5.3 No certified equipment shall be modified or installed in such a way as to render its certification invalid.

5.4 Adequately trained and qualified personnel to be assigned by the Contractor on the installation of the equipment where this is required within areas designated as hazardous shall be fully competent and conversant with all necessary regulations and standards relating to the installation of electrical equipment within the hazardous areas.

5.5 Drilling out of entries in flameproof (Eex) enclosures is not permitted. Certified plugs are to be fitted to all unused entries.

5.6 Only the correct type and size of cable gland shall be used as specified on the approved cable schedules.

5.7 Painting of flameproof equipment or components, other than applied by the manufacturer, is prohibited.

5.8 There shall be no obstructions around the flanges of flameproof equipment, other than those approved by the code.

5.9 A proprietary non-hazardous, corrosion inhibiting grease suitable for use with flameproof apparatus shall be applied, where required, to the flame path of equipment.

5.10 No alterations or substitutions shall be made to the equipment unless this is allowed in the equipment certification.

5.11 All flanges of flameproof equipment shall be cleaned and then treated with approved grease on completion of the installation and on all subsequent occasions that they are being re-assembled following separation.

6.0CABLE SUPPORT SYSTEMS

6.1 Cable tray and ladder shall be installed as per approved drawings. The spacing of tray/ladder supports shall be as stated on the approved drawings.

6.2 Cable tray/rack expansion joints shall be installed in accordance with the manufacturers recommendation.

6.3 Site located cable fixings to structural steelwork shall preferably be by means of clamps or equivalent materials. Welding to vessels, tanks or primary steelwork is not permitted. Welding to secondary steelwork will be applied where required.

6.4 Supports for site routed cable trays or racks shall be provided in accordance with the manufacturers recommended loading and span distances. If additional support to relevant cable tray deemed necessary and as directed by the Company additional support can be provided.

6.5 Steelwork shall not be drilled without the permission of the Company unless the drilling is called for on approved drawings.

6.6 All cable support metalwork supplied by the Contractor shall be painted after site manufacturing.

6.7 The spacing between adjacent layers of support systems shall permit ready access during the initial laying of cables and for subsequent inspection or repair

6.8 Burrs and sharp edges formed on cable trays or racks when cut, shall be removed to the extent that the exposed edge will not cause damage to cables nor cause injury to personnel and will permit protective coatings to adhere to the exposed edge.

6.9 Cable tray shall be cut along a line of plain metal and not through a line of perforations. After cutting, all sharp edges shall be made smooth and the racking finish made good.

6.10 Proprietary bends and tees shall be used where shown on the relevant drawings and on site run cable routes, wherever practical. Site fabrication of accessories shall only be used where absolutely necessary due to space limitations or equipment arrangements.

6.11 Where no more than a single cable is run, it may be supported by clipped or cleated to steelwork etc., instead of utilizing tray or ladder rack.

6.12 At the cable tray system bends, risers, reducers, tees, crosses and other components will be used to provide continuous cable support system. Unconnected sections shall be avoided where possible.6.13 Cable trays/racks shall be bolted to supports. Under no circumstances shall the rack or tray be drilled for fixing purposes. Drilling will only be done for joining tray/racks or earthing purposes or where detailed on the approved drawings.

6.14 All cable tray/rack shall be earth bonded using a suitable sized conductor. All cable tray/rack requires a minimum of 2 main earth grounding conductors of suitable size.7.0CABLE INSTALLATION

7.1 All cable to be installed as described and detailed in the approved drawings.

7.2 All cable shall be installed on cable rack and trays where shown at the approved drawings. However road lighting and main earth ring cables shall be installed underground by taking the precautions.

7.3 All cable routes shall be accurately measured prior to cutting any cables.

Cable drum shall be handled according to following description.

(1) Drums will be kept horizontally, but not lay on its side.

(2) Drums will be turned according to arrow indicated

(3) During cabling work, be sure that the drum does not obstruct the traffic or movement of persons, and no damage occurs to cable.

(4) Cable drum lifting jacks and associated equipment shall be of recognized material and certified to use on the required cable drums.

(5) Transport drum safely and smoothly.

7.4 Cable laying work shall be proceeded as following:

(1) Where cables are liable to damage, suitable protection shall be made before cable laying

(2) Supervisor shall be posted at the key position such as corner, and pay attention to cable pulling condition.

Cable laying work shall be done in a way, not to create any damageable tension given on the cable, by using pulley and so on.

7.5 Where it is noted in the relevant drawings that routing to be left as Site Routed or Field Routed to the discretion of the site personnel representatives of the Company and the Contractor shall cooperatively determine by inspection the cabling requirements for equipment to be installed. Where practicable, common cable routes by taking into consideration of the cable types and specification requirements shall be established to minimise duplication of installation work.

7.6 Cables of different voltages and services e.g. telecommunications fire and gas shall be segregated to prevent interference between electrical power, control and instrumentation circuits. The Company in the approved drawings will supply specific requirements for cable routing and segregation. Where intersection between groups of cable is unavoidable, the routing shall be arranged such that power and control/electronics/signal cables cross at right angles. Barriers to be used where possible when cables cross.7.7 The cables installed on cable rack or tray require the cable tie material to be approved prior to using them.7.8 All cables shall be left clear of process and service pipes. It should be noted that many process lines are eventually lagged therefore clearances between cable runs and pipe runs shall take this into account.

7.9 Cables must not be supported from or attached to pipes either directly or on top of lagging unless shown on the relevant drawings or approved by the Company.

7.10 Each cable shall be run as a continuous length from origin to destination without joints, except as follows or where designated specifically on the relevant drawings and for long distances where the cable manufacturing length is not sufficient to run one pieces.

7.11 Where cables pass vertically through floors, platforms, walkways, etc., protection against mechanical damage shall be provided as detailed on the approved drawings.

7.12 Cables crossing a fire or gas barrier for example firewall or gastight wall shall pass through a certified multi cable transit to maintain the characteristics of the barrier. These transits shall be installed as detailed in the approved drawings.

7.13 The minimum-bending radius of any cable shall be as per manufacturers recommendation.

7.14 Cables shall be handled and installed in a manner, which does not cause damage by abrasion or by excessive tension. Cables shall be laid in smooth parallel formation. Twisting, crossing or intertwining of cables will be prevented.

7.15 Cables will not be attached to pipes or structural steel members unless specially designated in the approved drawings.

7.16 Access holes, for cables passing through solid floors or walls must be sealed by the use of an approved system, or where the number of cables is small by the use of individual cable glands.

7.17 Where cables leave the support system they shall do so in a manner which does not cause any damage to the cable

7.18 Records of cable quantities used and available during the installation and for final reconciliation shall be maintained.

7.19 When the ambient temperature is at or below -10oC, installation of thermoplastic cables shall not be carried out, because of the danger of damaging their insulation sheath.

7.20 Cables installed on horizontal runs shall be strapped in convenient bundles at intervals of 600 mm, at each bend or change in direction and not more than 300 mm from a transit or gland position. For vertical and horizontal runs, temporary ties will be used prior to the installation of permanent clamps, plastic coated stainless straps to be used for vertical cable running at regular distance of 1 to 3 meters in order to prevent the release of cables during a fire.7.21 Tie wraps shall be of non-corrosive, plastic covered and be of such dimensions that when tensioned for the final installation they do not damage the cable sheath.

7.22 All cables shall be so supported that no strain is placed upon the cable, cable gland or equipment. After pulling, each cable is to be cut back to within two meters of its final length and left for at least 24 hours before final glanding and terminating to allow redistribution of the tensile forces, to prevent armour/insulation shrink back.

7.23 Motor control cables shall be laid alongside their respective motor power cable.

7.24 There individual power and control/instrument cable should be run in a same route, they will be installed in same tray using a separation between them.

4.25 All outgoing cables from cable racks and trays to equipments shall be bottom or side of trays and racks. Protection against sharp edges to be installed.7.25 A suitable conduit to be used for the cables to be run inside the concrete. Cables never be cast directly into concrete.

7.27 All cables and earth cables coming from underground to surface to be protected with conduit or channel.

8.0CABLES INSTALLED UNDER GROUND

8.1 Cables run underground shall be laid into cable trench in accordance with approved drawings.

8.2 The routing and arrangement of underground cables, particularly in areas adjacent to substations and control houses, shall be planned concurrently with main pipe routes and vehicle access ways, to give as far as possible, unimpeded direct routes.

8.3 Cables shall be laid on 100 mm of sand and covered with 100 mm of sand. The sand shall be screened to remove sharp objects and compacted to eliminate voids. Marker tape and protection red brick shall be installed over the cables as indicated on the relevant drawings.

8.4 The minimum depth of cover from the cable to the finished grade shall be as follows:

For street lighting and telephone cables: 700 mm

For power cables up to and including 1000 V and control cables: 700 mm

Power cables above 1000 V: 800 m.

8.5 The infilling is to be compacted and free from large stones or other injurious objects local to the protective covers.

8.6 Proprietary cable marker posts shall identify all cable routes in unpaved areas not more than 25 m intervals on straight runs and each change of direction.

8.7 The installation of direct buried cables shall not commence until the entire route has been excavated, inspected and cleared of all stones and debris.

8.8 Where cables are installed in trenches the backfilling is to be clean debris and care shall be taken when fitting the bricks to ensure that they are properly positioned and seated.

8.9 No cables shall be run directly beneath pipes, which follow the same direction as the cables, whether the pipes are laid in or directly on the ground.

8.10 Underground (direct buried) cable shall have a warning tape 150mm below grade.

8.11 Under ground works shall not be covered until after visual inspection by the Company.

9.0CABLE MARKINGS

9.1 All cables will be uniquely numbered as per relevant cable schedule plan.

9.2 Cable markers shall be located at each end of the cable and at either sides of cable transits where required.

9.3 Cable markers shall be clearly visible from the direction in which the cables would be normally inspected

9.4 To indicate a cable is being used for intrinsically safe (I.S.) circuits a blue colored heat shrink sleeves will be added at each end of the cable.

9.5 Core identification, where specified at the approved drawing, shall be provided in accordance with the approved drawings and be readable in the terminated position.

9.6 Core identification, shall be provided for cables by means of numbered or lettered plastics.

9.7 Core markers will be fixed to the cores of instrument and control cables, which will consist of the designated terminal number which the core will be terminated to. Power cable cores will not be marked since the color marking of the phases which exist on the cables will be unique and predetermined for the whole project.9.8 Cable markers shall be Critchley type K or approved equivalent one.10.0CABLE TERMINATIONS

10.1 Unless otherwise specified all cable shall be terminated using cable glands in accordance to approved drawings.

10.2 Cable glands for armoured cables shall have inner and outer seals and armour clamps. Cable gland type and size shall be as specified in the approved documents.

10.3 Compression type lugs to be used for the following cables;

(a) Power cables having a solid conductor core and a conductor size over 10 mm

(b) Cables having a stranded type conductor and a conductor size over 0.75 mm

10.4 Compression type lugs not to be not used on the cables connected to equipment with clamp type terminals.

10.5 The correct size of lug and crimping tool shall be used to ensure good conducting properties and mechanical strength as per approved drawings.

10.6 All glands installed externally on all hazardous area electrical equipment shall have suitable hazardous area classification. The installation requirements of the respective protection class and certificates shall be satisfied.

10.7 Where cables are terminated in a certified enclosure, suitable cable gland sealing components shall be provided as necessary to maintain the integrity of the terminal enclosure.

10.8 Cable glands for armoured cable shall have seals and armour clamps.

10.9 When preparing cables prior to fitting glands, the gland manufacturers instruction for cable preparation shall be observed. In all cases where armoured cables are used, care shall be taken to ensure that the lay of the armour is maintained after the gland is completely fitted.

10.10 HV cable terminations shall be made using stress relieving type terminations or elbow connectors as indicated in the approved drawings and in accordance with manufacturer specifications.

10.11 Power cables terminations at stud type terminals will be done using suitable cable lugs. The correct size of lug and crimping tool shall be used to ensure good conducting properties and mechanical strength.

10.12 Not more than one conductor shall be connected to one side of a block type terminal. Terminal jumper links and additional terminals shall be employed for common connections with more than one conductor.

10.13 One cable lug to be used for one cable core.

10.14 All unused cable entries in apparatus shall be sealed by the use of the appropriate type of screwed plug where applicable. For hazardous area apparatus compatible certified plugs shall be used.

10.15 All spare cores shall be terminated in spare terminals. Where spare terminals are not available, spare cores shall be terminated at the earth bar as detailed in the approved drawings.

10.16 Cable entry to panels and equipments shall be bottom wherever possible. Where bottom entry is not possible, side entry may be used. Side entry cables shall be provided with a drip loop to prevent water settling at the gland seal.

11.0EARTHING AND BONDING

11.1 The earthing and bonding installation shall be carried out in accordance with the relevant approved drawings

11.2 Earth bars shall be provided within switch rooms for bonding equipment. External equipment shall be bonded directly to the relevant switch room earth bar or to the topsides structure via dedicated earth conductor. Additionally external equipment will be connected to the module steel work.

11.3 A buried earthing grid shall be installed which shall take the form of stranded copper cable, forming a ring network around the plant with all splices, tees and cross connections made by cadweld type joints. The above earth ring shall be connected to the main pile steelwork as indicated on the approved drawings using compression type joints.

11.4 Power and instrument earth bars shall be installed in the Switch rooms. All earth connections for equipment within the MCC module shall be made to the appropriate earth bar.

11.5 The power transformer secondary star point shall be connected to the MCC neutral bar.

11.6 Connections from earthing grid to local metalwork, process and electrical equipment shall be carried out using yellow/green stranded copper cable.

11.7 Precautions shall be taken to prevent corrosion between any dissimilar metal joints due to electrolytic action in the presence of moisture.

11.8 All non-current carrying metal parts of electrical equipment shall be effectively bonded to the earth network.

11.9 Cable racking and cable trays shall have earth continuity throughout their lengths by using bonding straps and shall be bonded to the structural steelwork at the intervals of 25 meter.

11.10 Pipeworks, vessels and tanks shall be bonded utilising the earthing bosses.

11.11 All pipework, HVAC ductwork and metallic insulation cladding shall be bonded to local steelwork when entering a hazardous area or when entering or leaving a module enclosure, unless connected to earth elsewhere. In addition, earth continuity shall be maintained electrically and mechanically throughout.

11.12 If insulating flanges used at pipework, earthing plates will be provided for bonding across the flange.

11.13 All cables glanded into clearance holes shall have their metal sheaths or armouring effectively bonded to earth at both ends via earth tags in contact with the cable glands.

11.14 The cable screen on HV multi core cables shall be earthed at both ends..

11.15 The ends of all runs of rack and perforated tray shall be bonded to the steelwork. Adjoining lengths of rack or tray shall be jointed together using bonding straps as described at item 6.14.11.16 Ventilation ducts, when entering or leaving a module, shall be bonded across joints and to earth, using tinned copper ground straps in accordance with approved earthing detail drawings.

11.17 Every earthing connection after completion shall be liberally smeared with anticorrosive paste. The paste approval will be taken before use it.

11.18 Spare cores of glanded multicore cables shall be terminated and collectively earthed within the termination enclosure to prevent harmful induced voltages.

11.19 Socket outlets shall be earthed by a third core of the power cable as indicated in the approved drawings.

11.20 Cable terminations at equipment shall be bonded to the equipment using a copper crimped type earthing lug and suitable section of copper wire or strip. When plastic enclosures are used care will be taken to ensure that internal equipment is properly earthed to a suitable earth terminal in the enclosure and that earth continuity is maintained between incoming and outgoing cables.

11.21 Where non-metallic equipment or fittings are supplied, all armour clamp type glands shall have the cable braid terminated in the gland. Non-metallic junction boxes, luminaries and control stations shall have earth continuity plates or tags fitted inside the units so as to achieve earth continuity. The cable gland must be bonded to the earth plates.11.22 Earth continuity between cable glands and metallic equipment with tapered threaded entries shall be achieved via the threaded entry to the enclosure.

11.23 Any special earthing requirements for equipment installed within a hazardous area shall be provided in accordance with the specific equipment certification documents.

11.24 Earth cables shall have green/yellow colored sheaths.

11.25 All below grade work shall not be covered, until after a visual inspection by Company.

12.0 LIGHTNING PROTECTION

12.1Complete lightning protection system shall be installed in accordance with the approved layout, installation drawings and project specifications.

13.0 INSPECTION AND TESTING

13.1Inspection and testing of the electrical equipment and installation shall be in accordance with the Inspection and Test Plans, Doc. No.: 269-QA-00-QD-003 will be submitted to Company for approval.

APPROVAL OF THE COMPANYSTATUS *ABCIONAMETITLEDATESIGNATURE* A: ApprovedB: Approved as noted.

C: Not approved, commented.IO: Accepted for information only.

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