REPAIR MAINTENANCE OF EXTERNAL ELECTRIFICATION MAINT OF TRANSFORMER VCB AND LT UG CABLE AND ALLIED WORKS IN ZONE A RESIDENTIAL AREA UNDER GE I RnD DELHI

M&L in repair end termination joint 11 KV indoor type, end termination heat shrinkable of size 120 to 185 sqmm,3 core including thimbling, nut/bolts & washers, HV insulating tape etc. complete all as specified and as directed.

M&L in repair end termination joint 11 KV indoor type, end termination heat shrinkable of size 50 to 95 sqmm, 3 core including thimbling, nut/bolts & washers, HV insulating tape etc complete all as specified and as directed.

M&L in repair end termination joint 11 KV indoor type, end termination heat shrinkable of size 240 to 300 sqmm, 3 core including thimbling, nut/bolts & washers, HV insulating tape etc complete all as specified and as directed.

M&L in repairs straight through joint 11 KV heat shrinkable of size 120 to 185 sqmm, 3 core including thimbling, nut/bolts & washers, HV insulating tape etc. complete all as specified and as directed.

M&L in repairs straight through joint 11 KV heat shrinkable of size 50 to 95 sqmm, 3 core including thimbling, nut/bolts & washers, HV insulating tape etc complete all as specified and as directed.

ard of size 1.5x1.1 Mtr using retro reflective high intensity prismatic reflective sheeting. The back ground of board is Blue Colour with white border and writing letter, numbers white colour mentioning the HT/LT substation Details, and Single line Schematic diagram of substation. Retro sign board shall be pasted on 3mm thick ACP sheet. The board shall be fixed on Wall including fixing of fastners, nuts, bolts, washer etc complete all as directed by Engineer-in-Charge at site.

Supply only 11KV VCB trolly having 18.4KA 1250 Amp with 12 KV vacuum Interrupter (03 Nos) as per existing make for DRDO sub stn to maintained for reliable electric suppluy complete all as specified & directed.

All as per item srl No 9.00 abocve but area 300 Sqmm 3.5 core

All as per item srl No 9.00 above but area 240 Sqmm 3.5 core

All as per item srl No 9.00 above but area 120 Sqmm 3.5 core

All as per item srl No 9.00 above but area 95 Sqmm 3.5 core

Removing and replacing the old unserviceable lead acid battery of size 12 Volt, 42 AH of reputed make including charging all as specified as directed.

All as per item srl No 14.00 above but area 120 Sqmm 3 core

All as per item srl No 14.00 above but area 240 Sqmm 3 core

Supply and laying GI pipe light grade in replecement of 100mm dia laid in trenches for protection of UG cable complete all as specified & directed

All as per item srl No 17.00 above but 80mm dia

Cutting of existing road/PCC/RCC/hard standing for laying of pipe including making good the disturbed surface to match with the adjoining surface with PCC 1:3:6 C2 (40 mm graded stone aggregate) complete all as specified and directed.

Supply and laying in replecement XLPE insulated screened, PVC bedded galvanised steel strip or wire armoured electric power cable(Heavy duty) with aluminium conductor, 11000 volts, grade cross sectional area 95 Sqmm 3 core in trench/ wall / pole including testing complete all as specified & directed.

Supply and laying in replacement PVC insulated, armoured heavy duty electric cable with aluminium conductor, 1100 volts grade, cross-sectional area 400 Sqmm, 3.5 core in trench/ wall / pole including suitable size aluminium lugs properly crimped with crimping tools including testing complete all as specified and directed.

S&F in replacement of big gear and small gear with all fixing arrangement complete all as specified and directed.

S&F in replacement of closing spring assembly complete all as specified and directed.

S&F in replacement of tripping spring assembly complete all as specified and directed.

S&F in replacement of charging motor cut off limit switch complete all as specified and directed.

S&F in replacement of spring charging handle motorized mechanism of VCB complete all as specified and directed.

S&F in replacement of push button bracket assembly complete all as specified and directed.

S&F in replacement of bus bar support insulator 75 mm dia including all fixing accessories complete suitable for VCB/HT Bus bar chamber all as specified and directed.

S&F in replacement of bus bar barrier as per existing (set of three) with nuts bolts complete all as specified and directed.

S&F in replacement of toggle switch for space heater complete with all accessories all as specified and directed.

S&F in replacement of Charged/Discharged indication assembly complete all as specified and directed.

M&L in replacement of control wiring for panel with 2.5 Sqmm copper conductor FRLSH cable including proper laying with the help of locking device as per manufacturer instruction complete all as directed

M&L in repairs straight through joint 11 KV heat shrinkable of size 240 to 400 sqmm, 3 core including thimbling, nut/bolts & washers, HV insulating tape etc complete all as specified and as directed.

S&F in replacement of potential transformer of HT VCB 11 KV/110 V of any make complete all as specified and as directed.

S&F in replacement of 11 pin anti pumping relay 110V DC complete all as specified and directed.

S&F in replacement of bottom terminal with jaw contact complete all as specified and directed.

S&F in replacement of top terminal with jaw contact complete all as specified and directed.

S&F in replacement of space heater 230V AC 80W complete with all accessories all as specified and directed.

S&F in replacement of thermostat complete with all accessories all as specified and directed.

Calibration of relay of 11KV HT VCBs of capacity 400 to 1250 Amp installed at various sub stn at KWC area complete all as specified and directed. Note:- 1. All testing & calibration equipment with all accessories shall be brought by the contractor and rate for same is deemed to be included in quated rates. 2. The complete test report shall be submitted by the contractor to Engr-in-charge/GE(I)R&D Delhi

S&F in replacement of PT fuse 11 KV complete all as specified and directed.

Dehydration and filtration of transformer oil with proper dehydration machine to achieve dielectric strength between 45 to 60 KV including testing/recording of dielectric strength result before and after of dehydration complete all as specified and as directed.

Supply and topping up transformer oil having dielectric strength not less than 60 KV complete all as specified and directed.

Taking shut down from main substation and drain out the transformer oil and to be collected in barrel by opening the transformer cover of capacity 400 to 500 KVA by unscrewing the nuts/bolts and washers and kept in safe custody and reuse the same, and checking any type of leakage from both HT and LT side including cleaning the sludge etc depositing in the core and tank by using soft brushes and clean with old transformer oil, refilling of transformer oil including refixing of top cover including nut/bolts etc and testing the input & output voltage and adjustment of the voltage through tape changer if required complete to the entire satisfaction of Engineer- in-charge.

All as per srl item No 46.00 above but of capacity 630 KVA

S&F in repair HT bushing 11KV suitable for 400 to 630 KVA Transformer including brass rod complete with gasket as per matching to existing all as specified and directed.

S&F in repair LT bushing 11KV suitable for 400 KVA to 630 KVA transformer including brass rod complete with gasket as per matching to existing all as specified and directed.

S&F in repair head gasket sheet 6mm thick suitable for Transformer 400 KVA to 500 KVA capacity including replacement of nuts, bolts, washers including necessary T&P required at site complete all as specified and directed.

S&F in repair head gasket sheet 6mm thick suitable for Transformer 630 KVA capacity including replacement of nuts, bolts, washers including necessary T&P required at site complete all as specified and directed.

S&F in repair Dehydrating breather assembly complete with silica gel grains in the breather assembly suitable for transformers 400 KVA to 630KVA as per matching to existing complete all as specified and directed

Supply and laying Reinforced concrete pipe 150 mm, class NP2, laid and jointed complete with collars.

S&F in repair Oil temperature gauge analog type complete with all accessories as per matching to existing complete all as specified and directed

S&F in repair voltmeter digital type for voltage range of (0-500V) including all accessories and wiring complete all as specified and directed.

S&F in replacement of HT 11 KV PT epoxy female bushing suitable for R-Y-B phase complete all as specified and directed.

S&F in repair power factor meter digital type for frequency range (45-65 Hz) as per matching to existing one including all accessories and wiring complete all as specified and directed.

S&F in repair three phase over current earth fault relay MC-61 as per matching to existing one including all accessories and wiring complete all as specified and directed.

S&F in repair three phase overcurrent earth fault relay MC-61A as per matching to existing one including all accessories and wiring complete all as specified and directed.

S&F in repair LED type Indicating lamp of voltage AC/DC set of RYB, as per matching to existing complete all as specified & directed.

Supply & fix in renewal of current transformer resin cast copper wound double tapping/dual correct 100/50/5 Amp HT 11 KV having connectors for internal wiring with 5VA burden class complete all as directed (as per matching to exisitng )

S&F in replacement of HT 11 KV PT epoxy male bushing for R-Y-B phase complete all as specified and directed.

S&F in repair VCB Power Pack unit 24 Volt DC 7 AH with battery bank for backup including panel as per matching to exisitng complete all as specified and directed

Excavation in trenches not exc 1.5 mtr wide and n. exc 1.5 m depth and getting out in soft/loose soil for laying UG cables of various sizes.

All as per item No 64 above but excavation in hard/dense soil.

Supply & laying dry fine sand for cushioning of underground cable laid in trenches/duct complete all as specified and as directed. Note : Punned thickness shall be measured.

Supply and laying in trenches burnt brick sub class 'B' standard size for cable protection keeping width of the brick parallel to the length of the cable all as specified and directed.

Supply and laying un-reinforced factory made precast concrete cable cover , class HV, type 1, flat size-300x180x40 mm complete all as specified and directed

Returning filling in including spreading levelling watering and well ramming in layers not exceeding 25cm thick as in soft/loose soil complete all as specified and directed.

Removing excavated soil to a distance not exceeding 50 mtr and depositing where directed at a level and not exceeding 1.5 mtr above the starting point complete all as specified and directed.

S&F in repair ammeter digital type for current range of 0-1000 Amps with CTs 1000 Amp/5 Amp CL-1 (03 Nos)as per matching to existing including all accessories and wiring complete all as specified and directed.

S&F in repair Multifunctional meter with CTs 250 Amps (03 Nos) complete all as specified and directed .

S&F in replacement of 4 Pole MCCB with microprosessor release based,100% ICS=100% ICU, 250 Amp, 50 Hz, 415 V with rupturing capacity 25 KA complete all as specified & directed

S&F in replacement of 4 Pole MCCB with microprosessor release based,100% ICS=100% ICU, 250 Amp, 50 Hz, 415 V with rupturing capacity 35 KA complete all as specified & directed.

S&F in replacement of 4 Pole MCCB with microprosessor release based,100% ICS=100% ICU, 400 Amp, 50 Hz, 415 V with rupturing capacity 36 KA complete all as specified & directed

S&F in replacement of 4 Pole MCCB with microprosessor release based,100% ICS=100% ICU, 630 Amp, 50 Hz, 415 V with rupturing capacity 50 KA complete all as specified & directed.

S&F in repair Capacitor Bank MPP-H, 5 KVAR capacity rated 440 Volts AC,3ø,50HZ ,Delta connection, Round type complete all as specified and directed.

S&F in repair Capacitor Bank MPP-H, 10 KVAR capacity rated 440 Volts AC,3ø,50HZ ,Delta connection, Round type complete all as specified and directed.

S&F in repair Capacitor Bank MPP-H, 20 KVAR capacity rated 440 Volts AC,3ø,50HZ ,Delta connection, Round type complete all as specified and directed.

S&F in repair Capacitor Bank MPP-H, 25 KVAR capacity rated 440 Volts AC,3ø,50HZ ,Delta connection, Round type complete all as specified and directed.

Supply and laying GI pipe light grade size 40 mm dia fixed on wall/laying in trench including all connected fitting/acessories including taking old unserviceable complete all as specified and directed

Supply and fixing Cross arms of angle iron bracings, supports, clamps and back plates fabricated from structural steel sections including nuts, bolts, washers, welding, bending cold or hot, drilling holes for bolts, in any shape ( as per site requirment or directed by Engr -in-charge) size as indicated or directed and inclusive of one primer coat, one under coat and one finishing coat of synthetic enamel paint, two end of angle iron grouting in the wall upto 8 inch including clamp bend to shape with nut & bolt and finishing the wall with cement mortar complete all as specified and directed

Dismantling old rusted cross-arms of M.S. channel or angle sections etc. and setting aside with for reuse in 50 mtr complete all as specified and directed.

Material and Labour for earthing complete with GI earth plate electrode 600mmx600mmx6mm thick burried in ground vertically to a depth not less than 2.5 meters below ground level with top edge of the earth plate at a depth not lesss than 1.5 meter below the ground level, earth plate surrounded 15cm thick layers of common salt and charcoal dust starting from ground below 15 cm of earth plate and up to 15 cm above the same. GI plate connected with galvanised iron strip of 25x4 mm by means of Copper nuts, bolts and washers. Strip laid in 40mm dia light grade GI pipe as protection from top of the plate up to test point (cost of protection pipe up to 7.5 meters from earth electrode will be included in the rates quoted by the contractor) with following:- (a) GI strip of size 25mm x 4mm. (b) Watering pipe GI light grade 20mm dia from top of the earth electrode up to MS funnel with wire mesh embeded in floor of PCC earth pit. (GI Funnel should properly tightned on GI watering pipe and embeded in PCC floor of earth pit with open top suitable for watering of earth pits) (c) PCC earth pit 30x30x30cm constructed in PCC 1:2:4 type B1 exposed surfaces smoothly finished with 15mm thick cement mortar 1:6 plaster including RCC pit cover 25mm thick with 2 Nos MS handles of 12mm dia suitable for carrying of pit cover.Angle iron frame made of 40x40x4 mm angle iron for 30x30 cm PCC pit for holding the pit cover and Apply two coat of syntheticnenamel paint over one coat of red oxide zinc chrome primer on exposed steel surfaces and two coat of hot tar on embedded portion of steel surfaces

M&L Galvanised iron strip 25x4mm buried in ground including necessay excavation & earth work in soft/loose soil and removal of excavated naterial n. exc 50m and depositing where directed.

Supplying and laying synthetic Rubber insulated mats for electrical purpose as per IS 15652-2006, (superseding IS 5424) suitable for electrical shock safety. The upper surface having small anti skid aberration marks to avoid slippery effect and lower surface is plane of size 2m x 1m x 2mm thick for voltage upto 3.3 KV complete all as specified and as directed.

Supplying and laying synthetic Rubber insulated mats for electrical purpose as per IS 15652-2006, (superseding IS 5424) suitable for electrical shock safety. The upper surface having small anti skid aberration marks to avoid slippery effect and lower surface is plane of size 2m x 1m x 2.5mm thick for voltage upto 11 KV complete all as specified and as directed.

M&L MS chequred plate of suitable size for cable duct cover 6mm thick and earth pit cover all as specified and directed.

Supply only Electrical insulation HT tape of 3/4"width of 30 feet length Etylene Propylene backing highly comfortable to wrap snugly over most any shape streches up 100 percent to provide avoid moisture, resistant insulation tape of Make-Scotch.

Supply only Fix CRC 2-23 Electrical equipment (contact) cleaner spray used for prevent electronic malfunction equipment caused by water penetration, humidity, corrosion etc and of 500ml can complete all as specified and directed.

Supply and Fix earth pit chamber alongwith cover of Polymer, FRP Pit cover of heavy high grade polypropelene for high stress and starin level of size 225x300x195mm complete all as specified and directed.

Taking down repairable potential transformer of HT VCB 11 KV/ 110 V of any make, opening & dismentling the complete unit and refixing after carry out the following repairs/replacement :- (a) Rewinding of transformer as per existing gauge and pattern. (b) Cleaning and servicing of the PT. (c) Replacement of wornout nuts/bolts and other minor parts including HRC Fuse. (d) Soldering / tightening of loose connections. (e) Replacement of potential transformer oil having dielectric strength upto 50 KV. (f) Painting of outer portion of PT with synthetic enameled paint of grey colour of approved make. (g) Testing of the PT's for proper functioning to the entire satisfaction of the Engineer- in-charge.

S&F ACP retro sign bo

S&F LED flood light with pressure die cast aluminium housing 150 Watt Orion 3.0 Seris completed with connection including taking down old unserviceable .

S&F LED flood light with pressure die cast aluminium housing 200 Watt Orion 3.0 Seris completed with connection including taking down old unserviceable

M&L for Excavation in trenches not exc 1.5 mtr wide and n. exc 1.5 m depth and getting out in soft/hard soil including sand cushioning and laying burnt brick sub class 'B' of standard size, cutting of PCC/RCC for making joints and laying UG cables of various sizes at different locations.

INCOMING (i) ACB with microprosessor release based,100% ICS=100% ICU,800 A 50 ka 4 pole -1 No. (ii) Digital Multi functional meter VAFPP (voltage, current,frequency, power factor-1 No. (iii) Phase indicator lamp (LED type) 1 set (set of three). OUT GOING (i) MCCB with microprosessor release based,100% ICS=100% ICU, 250 A ,36 kA,3 pole-01 Nos. (ii) MCCB 200 A ,36 kA,3 pole - 02 Nos. (iii) MCCB with microprosessor release based,100% ICS=100% ICU, 160 A ,36 kA,3 pole -02 Nos. (iv) MCCB 100 A ,36 kA,3 pole -03 Nos. (v) MCCB 100 A ,16 kA,3 pole -03 Nos

S&F in replacement of 4 Pole MCCB with microprosessor release based,100% ICS=100% ICU, 630 Amp, 50 Hz, 415 V with rupturing capacity 35 KA complete all as specified & directed.

INCOMING (i) MCCB with microprosessor release based,100% ICS=100% ICU, 630 A 50 ka 4 pole -1 No. (ii) Digital Multi functional meter VAFPP (voltage, current,frequency, power factor-1 No. (iii) Phase indicator lamp (LED type) 1 set (set of three). OUT GOING (i) MCCB with microprosessor release based,100% ICS=100% ICU, 200 A ,36 kA,3 pole-02 Nos. (ii) MCCB with thermal megnetic release based,100% ICS=100% ICU 100 A ,36 kA,3 pole -03 Nos.

Supply & fixing manually change over switch of 630 amps 415 V with sheet steel inclosures, mounting on wall including fiting accessories

S&F alluminium sector lugs (long barrel type) for HT connection of size upto 150 sqmm 3 core.

S&F alluminium sector lugs (long barrel type) for HT connection of size 185 to 400 sqmm 3 core.

S&F alluminium sector lugs (long barrel type) for HT connection of size 500 to 630 sqmm 3 core.

S&F alluminium sector lugs (short barrel type) for LT connection of size up to 50 sqmm 3.5 core.

S&F alluminium sector lugs (short barrel type) for LT connection of size 70 to 95 sqmm 3.5 core.

S&F alluminium sector lugs (short barrel type) for LT connection of size 120 to 185 sqmm 3.5 core.

S&F alluminium sector lugs (short barrel type) for LT connection of size 240 sqmm 3.5 core.

S&F alluminium sector lugs (short barrel type) for LT connection of size 300 sqmm 3.5 core.

S&F alluminium sector lugs (short barrel type) for LT connection of size 400 sqmm 3.5 core.

S&F in replacement of 4 Pole MCCB with microprosessor release based,100% ICS=100% ICU, 400 Amp, 50 Hz, 415 V with rupturing capacity 50 KA complete all as specified & directed.

S&F alluminium sector lugs (short barrel type) for LT connection of size 630 sqmm 3.5 core.

Taking shutdown from sub-station & Painting and Servicing of LT feeder panel boards complete with removal of the dust, tightening of electrical connections, replacement of burnt nut/bolts with washers, replacement of connections wires as per power load requirement, including insulation tapping complete all as specified and directed by Engineer-In-charge.

Taking shutdown from LT panel & Servicing of Distribution Boards any type complete with removal of the dust, tightening of electrical connections, replacement of burnt nut/bolts with washers, replacement of connections wires as per power load requirement, including insulation tapping complete all as specified and directed by Engineer-In-charge.

Taking proper shutdown , disconnecting the LT and HT electric main from transformer of capacity upto 630 KVA , removing the transfomer of any capacity from pole/structure/ platform shifting to authorised workshop after draining out the transformer oil at site, dismantling and disconnecting damaged HT/LT coil to facilate necessary repairs, rewinding/reconditioning reassembling the tranformer, bringing back to the site, taking out dehydrated old trasformer oil and connecting with existing electrical system of HT and LT including testing complete all as specified and directed.

Taking proper shutdown, disconnecting LT and HT electricmain connection from dry type 630 KVA transformer and servicing by cleaning the dust and debris from exterior and interior, checking and identifing the signs of wear, damage or deterioration, transformer's insulaton resistence, winding resistence and tempereture,replacing the damaged components like bushings, cooling fan and testing complete all as specified and as directed.

M&L for bringing cable testing van (fault locator) for detecting the location of the fault in the LT/HT UG cable of any size complete all as specifiec and directed.

M&L in replacement of heat shrinkable straight through jointing kit for LT 1.1 KV XLPE cable 185 to 630 sqmm 3.5 core including all accessories required

M&L in replacement of heat shrinkable straight through jointing kit for LT 1.1 KV XLPE cable 70 to 150 sqmm 3.5 core including all accessories required

Disconnecting & Taking out old unserviceable joints & Supplying, Fixing, Jointing & testing for provision of indoor termination joint Kits, heat shrinkable eppoxy tube with epoxy jointning materials suitable for XLPE ,LT Cable 1100 Volts grade indoor , for size 95sqmm to 185 sqmm 3.5 Core complete all as specified and directed.

All as per item Ser No 118 above but size 240 Sqmm to 300 Sqmm 3.5 core.

Material and labour for shifting of VCB 630 Amps HT 11 KV from one location to another location in the complex permises including diconnecting at both exiting site and laying at new site with all connections, checking thoroughly serviceability of the parts, fixing the serviceable parts in positiion, replacement of the defective/non functional/unserviceable parts/spares, reassembling, commissioning, fixing in position and testing for its smooth and trouble free operation complete all as specified and directed

All as per item Ser No 118 above but size 400 Sqmm to 630 Sqmm 3.5 core.

M & L for PCC 1:2:4 type B1 using 20 mm graded stone aggregate for coping of pole and filling in road cuts/ hard standing complete all as specified and directed

Excavation in trenches not exc 0.5 mtr wide and n. exc 0.5 m depth and getting out in road/PCC/RCC for laying UG cables of various sizes.

Supply & fix in renewal of current transformer resin cast copper wound double tapping/dual correct 400/200/5 Amp HT 11 KV having connectors for internal wiring with 15VA burden class complete all as directed (as per matching to exisitng )