REPAIR MAINT OF HT DISTRIBUTION NETWORK AND TRANSFORMER INCLUDING DEHYDRATION AT NAVAL DOCKYARD UNDER GE (NW) KUNJALI COLABA MUMBAI

Amount

Disconnecting and Dismantling the existing indoor type, 11/6.6 KV horizontal draw out type OCB trolly of 400 Amps from location and repair /overhauling and carrying out with the following and all as specified and directed by Engineer-in-Charge. Note: Spare parts and new transformer oil will be measured & paid seperatly.

(i) Inspecting/overhauling of spring drive mechanism by checking mechanism, hold on catch assembly,trip bridge, z srew, Cam U, Aluminum trip bridge, Main trip lever assembly and apply multi grease lubricant to function smoothly. (ii) Inspecting / overhauling of OLTLF assembly,earthfault release assembly, tripping coil, auxiliary switch and checking of electrical wiring system. (iii) Inspecting / overhauling / cleaning and inspecting insulators, moving contacts ,fixed contacts,arcing chamber by carbon cleaner solution and apply dry graphite conductive sealant for contacts to avoid carbon deposits on contact surfaces. (iv) Inspecting/Cleaning of oil tank inside and out side surface by CRC throughly and replacement of transformer oil (60 litre for each OCB) and apply heavy duty grease for tank raising/lowering guide. (v) Assembling all items/components parts to the respective position & testing the breaker with High Voltage and Meggering before and after high voltage test complete.

Material and labour for painting of HT OCB capacity 400Amps, with one coat of synthetic enamel paint over a coat of red oxide primer after cleaning, scraping, and filling of carities for out side surface and in side surface of OCB and all as per specified and as directed by Engineer-in-charge.

Disconnecting and dismantling the existing indoor type, HT VCB/ RMU horizontal draw out type 400/630 Amps including repair /overhauling and carrying out with the following and all as specified and directed by Engineer-in-Charge. Note: Spare parts will be measured & paid seperately.

(i) Inspecting / overhauling of manual / motorised spring drive mechanism by checking mechanism, motor and gear assembly, big gear assembly, stop bolt assembly, main shaft interlocking assembly, closing spring assembly, small cam with screw,motor cut -off limit switch, butter fly swich assembly and apply multi grease lubricant to function smoothly. (ii) Inspecting / overhauling of OLTLF assembly,earthfault release assembly, tripping coil, auxilary switch and checking of electrical wiring system. (iii) Inspecting / overhauling /cleaning and inspecting through insulators, vacuum interupters by carbon cleaner solution and apply dry graphite conductive sealant for electrical contacts to avoid carbon deposits on contact surfaces. (iv) Assembling all items/components parts to the respective postion & testing the breaker with High Voltage(DC) and meggering before and after high voltage test complete. (i) Inspecting / overhauling of manual / motorised spring drive mechanism by checking mechanism, motor and gear assembly, big gear assembly, stop bolt assembly, main shaft interlocking assembly, closing spring assembly, small cam with screw,motor cut -off limit switch, butter fly swich assembly and apply multi grease lubricant to function smoothly.

Material and labour for painting of HT VCB/ RMU capacity 400/630 Amps, with one coat of synthetic enamel paint over a coat of red oxide primer after cleaning, scraping, and filling of carities for out side surface and in side surface of OCB and all as per specified and as directed by Engineer-in-charge.

Material and labour of Opening the bus -bar chamber and inspecting CT, PT and Meter chamber of HT OCB/VCB/ RMU panel board and carry out following and all as directed and specified by Engineer-in-Charge. Note: Spare parts shall be measured & paid seperately.

Material and Labour for overhauling and secondary injection of over current earth fault relays/release on each multiple setting readjustment by artificial load complete all as specified including testing complete.

Dismantling and overhauling and testing Potential transformer and replacement of worn out spares such as contacts, bushing, control wiring fibre plates, gaskets , transformer oil and applying multi grease to the mechenical parts & dry graphite conductive sealant to contacts etc & re-assembling the same and commissioning complete all as specified and directed by Engineer-in-Charge. Note : Spare parts and oil will be measured and paid seperately.

Supply and fix in repair of spout insulator assembly for HT OCB/ RMU/ VCB 400/630 Amps, indoor type with current carrying parts complete all as specified and directed by Engineer-in-Charge.

Supply, fixing in repair of OCB oil tank gasket suitabale for OCB 400/630 Amps, indoor type and all as specified and directed.

Supply and fix in repair of following Spare parts suitble existing make , VCB 400/630 Amps, indoor type with current carrying parts complete all as specified and directed by Engineer-in-Charge.

Opening / Closing Push Button Assembly

Motor Charging mechanism gear box

Limit Switches

Closing Coil Assembly

Tripping Coil assembly

Spring Charging Motor

Auxiliary Switch with link

Spring return latch

Vaccum Interupter assembly

Spout Insulator assembly (3Phase) feeder side

Spout Insulator assembly (3Phase) Bus barr side

Potential Transformer

Current Transformers,50-30,5+5Amps, Class1 and 5p10,15VA,18.3kA/3Sec

TNC Switch

Voltmeter Digital Type

Ammeter Digital Type

Indicating Lamps LED type

Supply and fix in repair of following Spare parts suitble for VCB 400/630/800 Amps, indoor type with current carrying parts complete all as specified and directed by Engineer-in-Charge. Make - Areva, Schneider/crompton

Opening / Closing Push Button Assembly

Motor Charding mechanism gear box

Limit Switches

Closing Coil Assembyl

Tripping Coil assembly

Spring Charging Motor

Auxiliary Switch with link

Spring return latch

Vaccum Interupter assembly

Spout Insulator assembly (3Phase) feeder side

Spout Insulator assembly (3Phase) Bus barr side

Potential Transformer

Current Transformers,50-30,5+5Amps, Class1 and 5p10,15VA,18.3kA/3Sec

TNC Switch

Voltmeter Digital Type SCADA compatible

Ammeter Digital Type SCADA compatible

Indicating Lamps LED type

Supply and fixing in repairs indicating lamp holder with bulb LED(Red Yellow,Blue,Green) type to indicate incoming supply suitable for 24 V DC/110 VAC/230Volts AC and all as specified and directed.

Dismantling Air Circuit Breaker 4pole/3pole, 400 Amps to 1600 Amps, 415 Volts, draw out/fixed type from location and repair /overhauling of spring drive mechanism, coil, auxiliary switch including setting of over load coil, no volt coil, tripping coil & apply multi grease for mechnical parts, cleaning and inspecting male and female contacts and apply dry graphite conductive sealant for contacts, checking of electrical wiring system, testing, and assembling all items/components parts to the respective position and testing complete all as specified and directed by Engineer-in-Charge.

Material and labour for fault finding on HT cables of any size and any length with fault detective machine by thumbing method and suitable high voltage and all as and directed by Engineer-in-charge.

Supplying, jointing and testing complete indoor type end cable terminations (heat shrinkable) suitable for 3 core, 11 KV, U/G, XLPE Cable of size 120 sqmm to 185 Sqmm and all as directed by Engineer-In-Charge.

Supplying, jointing and testing complete indoor type cable terminations (heat shrinkable) suitable for 3 core, 11 KV, U/G, XLPE Cable of size 240 sqmm to 300 Sqmm and all as directed by Engineer-In-Charge.

Supplying, jointing and testing complete indoor type cable terminations (heat shrinkable) suitable for 3 core, 11 KV, U/G, XLPE Cable of size 400 sqmm complete all as directed by Engineer-In-Charge.

Supply and fix cable jointing STRAIGHT THROUGH JOINT for 11KV grade cable for straight through joint complete with Jointing material (Heat shrinkable)and accessories suitable for 3 core XLPE armoured, alluminum conductor cable of size 120 TO 185 sq mm complete all as directed by Engineer-In-Charge.

Supply and fix cable jointing STRAIGHT THROUGH JOINT for 11KV grade cable for straight through joint complete with Jointing material (Heat shrinkable)and accessories suitable for 3 core XLPE armoured, alluminum conductor cable of size 240 TO 400 sq mm complete all as directed by Engineer-In-Charge.

Supply and lay cable XLPE Insulated screened PVC bedded, galvanized steel strip or wire armored, electric power cables (heavy duty)11000 Volts grade with stranded aluminium conductor of size 185Sqmm 3 core complete all as directed by Engineer-In-Charge.

Supply and lay cable XLPE Insulated screened PVC bedded, galvanized steel strip or wire armored, electric power cables (heavy duty)11000 Volts grade with stranded aluminium conductor of size 300Sqmm 3 core and all as directed by Engineer-In-Charge.

Supply and lay cable XLPE Insulated screened PVC bedded, galvanized steel strip or wire armored, electric power cables (heavy duty)11000 Volts grade with stranded aluminium conductor of size 240Sqmm 3 core and all as directed by Engineer-In-Charge.

Material and labour Chequered plate Fe 410-W (gde-E-250) quality A as per site requirement including cutting to required shape and appling two coat of synthetic enamel paint over a coat of red oxide and all as directed

Material and labour for Angle Iron of size 25x25x6mm size and square bar applying two coats of synthetic enamel paint over a coat of red oxide primer and all as directed

Excavation in trenches not exceeding 1.5m wide and not exceeding 1.5m depth in soft /loose soil for laying of cable/ GI pipe and getting out complete all as specified and directed.

Excavation in trenches not exceeding 1.5m wide and not exceeding 1.5m depth in hard/dense soil for laying of cable/ GI pipe and getting out complete all as specified and directed.

Returning, filling in including spreading levelling watering well ramming in layers not exceeding 25cm each complete all as specified and directed.

Removing surplus soil to a distance outside MD land and depositing where directed at a level not exceeding 1.5m above the starting point complete all as specified and directed.

Supply and filling pulverized stone dust to the full width of trenches / protection of cables including spreading and punning down including watering consolidation complete all as specified. Note : Thickness of stone dust will be paid after cushioning after punning.

Supplying and laying unreinforced Precast Cement Concrete Cable Covers, Class HV, Type - 1, Flat, size 300mm X 180mm X 40mm made out of M-20 grade PCC as per IS 5820 : 1970.. in trenches for cable protection, embossed with "ELECTRIC" on the top surface complete all as specified and as directed.

Supply & fix Ecosafe Maintenance free and Environment Friendly Earth Electrode set comprising of 17.2mm dia 3mtrs long rod of low corbon steel, molecular copper bonded for a thickness of 250 microns, highly conductive ANSI NFS STD 60 certified, with 1 Bag (50P) of environment friendly carbon based backfill compound, according to BS 7430 & IEEE 80 and with suitable clamp in 100mm dia bore hole complete all as specified and directed with weatherproof earth pit.

Supply and fix in repair GI strip of size 32x6mm fixed on wall or floor including PVC saddls spacers and fixing screws not exceeding 60cm apart complete all as directed.

Supply and fixing insulation rubber mat at power houses and pump houses including pasting of rubber mats with adhesive resin all as specified and directed by Engineer-in-Charge.

Cutting metal road/hard standing for laying of cable and re mataling/making good the same to match the existing surface complete all as directed by Engineer in charge.

Supply and fixing GI tubing light grade 80 mm dia with all fittings laid in trenches/fixed on wall/ceiling including dismantling of old pipe etc.complete all as specified and directed.

Supply and fixing GI tubing light grade 100 mm dia with all fittings laid in trenches/fixed on wall/ceiling including dismantling of old pipe etc.complete all as specified and directed.

Testing of dielectric strength of oil of indoor/outdoor type OCB, 11-6.6KV/433 volt, filteration of oil by passing through filtration plant to remove moisture, impurities and improving di-electic strength to above 40 KV for 1 minute including new transformer oil for toping up & testing after filtration complete as specified.

Supply and fixing of power pack 230/110 VoltsAC to 30Volts DC suitable for VCB 6.6-11 KV complete all as directed. Make Alan./Exide or as approved by GE.

Material and labour of the PVC board of appropriate size and thickness duly pasted with computerised letter mentioning " NO SMOKING" , " DANGER 11000 volts with skull and cross painted, " NO ADMISSION EXCEPT ON DUTY, " SM/MES NO." for the transformer/HT breakers/DG sets including accessories etc for the substations including accessories for properly fixing the same on wall/fencing/pole complete all as specified and directed.

Material and labour for fixing standard shock treatment chart in English & Hindi duly framed and covered with glass complete all as specified and directed.

Material and labour for test point terminal block made out of gun metal or phosphorus bronze size 75 x 25 mm drilled and screwed including 03 Nos 8 mm dia 25 mm long hexagonal head screws to be fixed on steel structure with drilling/tapping and clamping etc complete all as specified and directed.

Supply only Transformer Oil as per IS 335/93 dehydrated to give BDV value not less than 50 KV when tested with 2.5mm gap electrode compete all as specified and directed.

Supplying , laying, Jointing testing and commissioning of HT UG cable, XLPE insulated, screened insulated,armoured and PVC bedded, 11000 volts grade (heavy duty) suitable for earthed system with aluminium conductor of size 3 core 95 sq.mm conforming to IS-7098 Part II laid in trenches, fixed to walls or passing through pipes and connecting up including taking out unserviceable cable compete all as specified and directed.

Supplying , laying, Jointing testing and commissioning of HT UG cable, XLPE insulated, screened insulated,armoured and PVC bedded, 11000 volts grade (heavy duty) suitable for earthed system with aluminium conductor of size 3 core 185 sq.mm conforming to IS-7098 Part II laid in trenches, fixed to walls or passing through pipes and connecting up including taking out unserviceable cable compete all as specified and directed.

Material and labour cable End Termination Box, HEAT shrinkable, Indoor type suitable for 6.6-11KV, 50 to 95 sq.mm XLPE, 3 core power cable with aluminium conductor including dismantling old cable end termination of any description compete all as specified and directed.

Material and labour cable End Termination Box, HEAT shrinkable, Indoor type suitable for 6.6-11KV, 120 to 185 sq.mm XLPE, 3 core power cable with aluminium conductor including dismantling old cable end termination of any description compete all as specified and directed.

Material and labour cable End Termination Box, HEAT shrinkable, outdoor type suitable for 6.6-11KV, 50 to 95 sq.mm XLPE, 3 core power cable with aluminium conductor including dismantling old cable end termination of any description compete all as specified and directed.

Material and labour cable End Termination Box, HEAT shrinkable, Outdoor type suitable for 6.6-11KV, 120 to 185 sq.mm XLPE, 3 core power cable with aluminium conductor including dismantling old cable end termination of any description compete all as specified and directed.

Material and labourstraight through joint , HEAT shrinkable, Outdoor type suitable for 6.6-11KV, 50 to 95 sq.mm XLPE, 3 core power cable with aluminium conductor including dismantling old cable end termination of any description compete all as specified and directed.

Material and labourstraight through joint , HEAT shrinkable, Outdoor type suitable for 6.6-11KV, 120 to 185 sq.mm XLPE, 3 core power cable with aluminium conductor including dismantling old cable end termination of any description compete all as specified and directed.

Material and labour for (i) Disconnecting the HT/LT side and earthing connections of the transformer, (ii) Lifting transformer with the help of crane, loading on suitable vech to transport it to the workshop at and Unloading at workshop for servicing (iii) Dismantling of HV/LV bushing, opening of top cover, disconnecting of connections of tap changer of transformer (iv) Draining out the complete transformer oil (v) Lifting up the core and winding assembly (vi)washing and cleaning the core, rewinding of burnout coil , transformer tank and radiator fins with help of pressurised transformer oil for removal of sludge and sludge deposit so as to make them free from dust, dirt and sludge deposit (vi)Heating and ovening of core and winding assembly complete in vaccuum chamber for 72 hours so as to remove any moisture content in the core/winding and attaining requisite IR value, (vii) Retanking of complete core & winding assembly & fixing tap changer after servicing and testing, (viii) Refixing HV/LV bushing and making all internal connections, (ix)Providing new gasket packing minimum 12mm thick, including nut bolt washer complete, (x) Transporting transformer back to the site , Lifting it down with the help of crane and reconnecting the HT/LT cable and earthing connections complete all as directed and of followings capacities:

100 kVA to 400kVA, 6.6-11KV/ 433 V

500kVA to 630 KVa, 6.6-11KV/433V

1000kVA, 6.6-11KV/433V

1200kVA, 6.6-11KV/433V

Note for item No. 54 (i) In case of damage during tpt/ loading/unloading at any stage after recipt of transformer from Dept, the contracor shall be repsonsible for damage and it shall be made good by him at his own expense.the decision of Engineer in charge in the regards shall be fixed & biding. (ii) Transformer oil required for filling shall be measured and paid seperately (iii) All other spares required shall be measured and paid sperately (iv) Rates are inclusive of testing of earthing before connection of transformer (i) In case of damage during tpt/ loading/unloading at any stage after recipt of transformer from Dept, the contracor shall be repsonsible for damage and it shall be made good by him at his own expense.the decision of Engineer in charge in the regards shall be fixed & biding.

Material and labour for shifting transformer upto 1200 kVA, 6.6-11KV/433V, from location inside Dockyard and connecting HT/LT side to provide temporary supply during repair of transformer and disconnecting HT/LT connections before installations of repaired transformer location compete all as specified and directed.

Material and labour in repairs HV side Brass studs threaded both ends of suitable size and length including metal and rubber rings,. Bolts washer, etc. suitable for 100 to 300 KVA Transformer ( Indoor or Outdoor type), 6.6-11KV/433V, step down/ step up of any make / model compete all as specified and directed.

Material and labour in repairs HV side Brass studs threaded both ends of suitable size and length including metal and rubber rings,. Bolts washer, etc. suitable for 400 and above Transformer ( Indoor or Outdoor type), 6.6-11KV/433V, step down/ step up of any make / model compete all as specified and directed.

Material and labour in repairs LV side Brass studs threaded both ends of suitable size and length including metal and rubber rings,. Bolts washer, etc. suitable for 100 to 300 KVA Transformer ( Indoor or Outdoor type), 6.6-11KV/433V, step down/ step up, of any make / model compete all as specified and directed.

Material and labour in repairs LV side Brass studs threaded both ends of suitable size and length including metal and rubber rings, Bolts washer, etc. suitable for 400 KVA Transformer and above Outdoor type, 6.6-11KV/ 433V step down/ step up ) of any make / model compete all as specified and directed.

Supply and fixing in repairs HV/LV side Porcelain Bushing / Insulator of suitable size suitable upto 400KVA Transformer, Outdoor type, 6.6- 11KV/ 433V , step down/step up, of any make / model compete all as specified and directed.

Supply and fixing in repairs HV/LV side Porcelain Bushing / Insulator of suitable size suitable for above 500KVA Transformer, Outdoor type, 6.6- 11KV/ 433V , step down/step up, of any make / model compete all as specified and directed.

Supply and fixing in repairs Silica Gel container with first fill of Silica Gel transparent type suitable for transformer of capacity 100 KVA to 400 KVA compete all as specified and directed.

Supply and fixing in repairs Silica Gel container with first fill of Silica Gel transparent type suitable for transformer of capacity above 500 KVA compete all as specified and directed

Testing of di-electric strength of transformer oil of transformer indoor/outdoor type,6.6KV/433 Volts,before filteration and to remove moisture and impurities and to improve di-electric strength above 48 KV /minute through filtration plant incl filling of new transformer oil for topping up, testing complete all as specified. Filtration of transformer oil by electrically operated transformer oil filtration plant to achive a test result of 48 KV/min for distribution transformer and 80 KV/ minute for power transformer for 2.5 mm gap.( Note: Testing machine and Transformer oil filtration plant as well as dehydration facility will provided by the contractor . II) New transformer oil shall be measured and paid separatelly under respective items).

Supply only Transformer Oil as per IS 335/93 dehydrated to give BDV value not less than 50 KV when tested with 2.5mm gap electrode completecomplete all as specified. Make: Servo/ HP/BP

Supply only Silica Gel in air tight container suitable for Dehydrating Breathers of Transformers complete all as specified and directed.

Material and labour for replacement of the following for 100 kVA to 1200 kVA,6.6/6.6-11KV/ 433V transformer:-

Oil level indicator

Tap changer

Dial type 100mm dia oil temp meter

Air release plug assembly

Drain plug

Gun metal oil drain valve 25mm /40mm

Material and labour for spraying painting to Indoor/Outdoor type, Step up/ step down/ step up Transformer 6.6/6.6-11KV/ 433 V installed at different locations of Birchgunj area after scraping thoroughly the existing corroded paint / rust, filling of cavities and applying one coat of silicon acrylic heat resistant paint of approved quality of approved colour and writing the details such as, SM/MES No. etc. complete all as specified for following capacity/type .

100 KVA to 300 KVA

500 KVA to 630 KVA

Material and labour for PCC (1:4:8) Type D2 using 40 mm graded aggregate in foundation including form work and finishing the exposed surface of concrete even and smooth complete all as specified and directed.

Material and labour of the PVC board of appropriate size and thickness duly pasted with computerised letter mentioning " NO SMOKING" , " DANGER 11000 volts with skull and cross painted, " NO ADMISSION EXCEPT ON DUTY, " SM/MES NO." for the transformer/HT breakers/DG sets including accessories etc for the substations including accessories for properly fixing the same on wall/fencing/pole complete all as specified and directed.

Material and labour trench/duct cover,light weight,anti corrosive,with FRP pultruded section to meet specific load application of cable pit covering all as directed. Make: SYNTEX/LEGRAND

Material and labour for fixing standard shock treatment chart in English & Hindi duly framed and covered with glass all as specified and directed.

Supply , fixing, testing in repairs of JEF ECO SAFE Maintenance Free Grounding Solution set comprising of High tensile low carbon steel rod of 3 Mts length & 25 mm dia with 250 micron ( averaSchneider ) molecularly bonded copper on the outer surface to confirm with requirements of UL467 along with Back-fill compound strictly be a Carbon based conductive concrete type which has a resistivity of less than 0.12 Ohm Mtr as per Clause 14.5D of IEEE : 80 standard. Back-fill compound should be electronically conductive ( Like in metals ) and should not depend on moisture for conduction. JEF Powerfill Loresco compound shall be supplied in 50 Pound Bag. ( 1 Bag of 50 Pounds required per earthing set). Back-fill comound should be environment friendly, should solidify when mixed with water and set like concrete and should not leach / diffuse into the ground. A suitable earth terminaton clamp should also be supplied along with the set alongwith earth pit weatherproof incl all as specified . Note : Back-fill compund shall not be mixed with any soil while pouring in the bore hole.

Supply of JEF ECO SAFE Maintenance Free Grounding Solution set comprising of High tensile low carbon steel rod of 3 Mts length & 32 mm dia with 250 micron ( average ) molecularly bonded copper on the outer surface to confirm with requirements of UL467 along with Back-fill compound strictly be a Carbon based conductive concrete type which has a resistivity of less than 0.12 Ohm Mtr as per Clause 14.5D of IEEE : 80 standard. Back-fill compound should be electronically conductive ( Like in metals ) and should not depend on moisture for conduction. JEF ECO SAFE compound shall be supplied in 50 Pound Bag. ( 1 Bag required per earthing set). Back-fill comound should be environment friendly, should solidify when mixed with water and set like concrete and should not leach / diffuse into the ground. A suitable earth terminaton clamp should also be supplied Note : Back-fill compund shall not be mixed with any soil while pouring in the bore hole.

Supply and fixing for repair of Earth continuity conductor or main earthing lead of following size of galvanised iron strip fixed to wall on batten or recess or chases or buried in ground or drawn in conduct/pipe or fixed to poles or any other indicated situation for loop earthing etc, as required complete all as specified

Material and labour for preparation of old surfaces of Transformer foundation and applying two coat of cement based paint on it, all as specified and as directed by Engineer-in-charge

Supply and fixing in repairs 6.6-11 KV single phase current transformer (CT's) conforming to IS-2075, VA burden - 1VA, class of accuracy - 0.5/5P-10 / PS, Type of CT as per existing with CTR 40-20/5A/5A/100-50/5A/5A complete all as specified and directed.

Material and labour for test point terminal block made out of gun metal or phosphorus bronze size 75 x 25 mm drilled and screwed including 03 Nos 8 mm dia 25 mm long hexagonal head screws to be fixed on steel structure with drilling/tapping and clamping etc complete all as specified and directed.

Material and labour galvanised pipe including fittings, light grade fixed to poles, on walls laid under road in trenches for protection of underground cable all as specified of 100mm dia complete all as specified and directed.

Material and labour for provision of cutting bituminous road at a width not more than 30cm and a depth not exceeding 60 cm for laying of pipes on road crossing for cable protection and making good with the existing surfaces with PCC (1:3:6), complete all as specified and as directed by Engineer-in-charge.

Material and labour for Flex board for MRSS / DISTRIBUTION SUB STATIONS and all 6.6/6.6-11KV distribution substations alongwith their fixing arrangement all as specified and as directed.

Supply and fix insulation mat as per IS 15652:2006, having not less than 30kV dielectric strength and having insulation resistance of not less than 1MOhm, acid retardent, flame retardent with auto glow band, having width of 1.0mtr and length upto 2.0 mtr, of thicness not less than 2.50 mm. Make: Electromat or as approved by GE.

Supply and fixing in repair LED lamps from existing LT panel board and supply and fixing new LED Lamp including making necessary electrical connection all as specified and directed by Engineer-in-Charge.

Supply and fixing cost effective, durable and reliable 6.6-11 kV heat shrinkable anti tracking bus bar tubing sleeve of dia 50mm, for Bus bar of VCB's, flame retardent and protetcion against moisture,dust including all accessries all as specified and as directed of make Jointmask 1133 series as approved by GE.

Supply and fixing in repairs 11/6.6 KV Potenial transformer (PT's) as per existing size and make suitable for HT VCB panel of Make ALSTOM/SCHNEIDER/KIRLOSKAR incuding taking down old unserviceable PTs complete all as directed at site by Engineer in chrage.

Supply and fixing in repairs 11/6.6 KV Spout as incomer [RYB] one and outgoing [RYB] one as per existing size and make suitable for HT VCB panle incuding taking down old unserviceable Spout complete all as directed at site by Engineer in chrage.

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