REPAIR/MAINT OF LT HT CABLE PANELS AND CERTAINS ALLIED WORKS IN SSPL LABS INMAS LAB UNDER GE I RnD DELHI

Supply & fixing manually change over switch of 630 amps 415 V with sheet steel enclosures, mounting on wall including fiting accessories complete all as specified and directed.

S&F in replacement MCCB of 04 pole 630 amp, TP, 50 KA (Ics=Icu=100%) microprocessor based with adjustable over current short circuit current with in bulk LCD display for trip cause alongwith tined copper spreader links, extended rotary handle, phase barrier (both side), Aux contact for on and trip indication complete all as specified and directed.

All as per item srl No 1 above but area 240 Sqmm 3.5 core

All as per item srl No 1 above but area 185 Sqmm 3.5 core

All as per item srl No 1 above but area 120 Sqmm 3.5 core

All as per item srl No 1 above but area 95 Sqmm 3.5 core

All as per item srl No 1 above but area 70 Sqmm 3.5 core

All as per item srl No 1 above but area 50 Sqmm 3.5 core

All as per item srl No 1 above but area 35 Sqmm 3.5 core

All as per item srl No 1 above but area 25 Sqmm 3.5 core

All as per item srl No 1 above but area 16 Sqmm 4 core

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 including suitable size aluminium lugs properly crimpled with crimping tools including taking down old unseriveable cable 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 120 Sqmm 3 core including taking down old unseriveable cable complete all as specified and directed.

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

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

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

Supply and laying GI pipe light grade in replecement of 80 mm dia laid in trenches for protection of UG cable complete all as specified & 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

Excavation in trenches in soft/loose soil not exceeding 1.5m depth & not exceeding 1.5m in width over energised LT cables for carrying out brick work for preparation of cable duct including for taking out and relaying of LT Cables complete all as specifed & directed

Excavation in trenches in hard/dense soil not exceeding 1.5m depth & not exceeding 1.5m in width over energised LT cables for carrying out brick work for preparation of cable duct including for taking out and relaying of LT Cables complete all as specified & directed

Supply & laying dry fine sand for cushioning of underground cable laid in trenches/duct complete all as specified and 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 replacement MCCB of 03 pole 125 amp, TPN, 66 KA (Ics=Icu=100%) thermal magnetic based with adjustable over current short circuit current with in bulk LCD display for trip cause alongwith tined ccupper spreader links, extended rotary handle, phase barrier (both side), Aux contact for on and trip indication complete all as specified and directed.

S&F in replacement MCCB of 04 pole 160 amp, TPN, 36 KA (Ics=Icu=100%) thermal magnetic based with adjustable over current short circuit current with in bulk LCD display for trip cause alongwith tined ccupper spreader links, extended rotary handle, phase barrier (both side), Aux contact for on and trip indication 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 185 Sqmm 3 core including taking down old unseriveable cable complete all as specified and directed.

S&F in replacement MCCB of 04 pole 200 amp, TPN, 36 KA (Ics=Icu=100%) thermal magnetic based with adjustable over current short circuit current with in bulk LCD display for trip cause alongwith tined copper spreader links, extended rotary handle, phase barrier (both side), Aux contact for on and trip indication complete all as specified and directed.

S&F in replacement MCCB of 04 pole 250 amp, TPN, 36 KA (Ics=Icu=100%) microprocessor based with adjustable over current short circuit current with in bulk LCD display for trip cause alongwith tined copper spreader links, extended rotary handle, phase barrier (both side), Aux contact for on and trip indication complete all as specified and directed.

S&F in replacement MCCB of 04 pole 400 amp, TPN, 36 KA (Ics=Icu=100%) microprocessor based with adjustable over current short circuit current with in bulk LCD display for trip cause alongwith tined copper spreader links, extended rotary handle, phase barrier (both side), Aux contact for on and trip indication complete all as specified and directed.

All as per item srl No 1 above but area 300 Sqmm 3.5 core

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 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 directed.

M&L for bringing cable testing van (fault locator) for detecting the location of the fault in the LT UG cable 1.1 KV 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 120 to 240 sqmm 3.5 core including all accessories required complete all as specified and directed.

M&L in replacement of heat shrinkable straight through jointing kit for LT 1.1 KV XLPE cable 300 to 630 sqmm 3.5 core including all accessories required complete all as specified and directed.

Taking proper shutdown & Isolate the LT electric supply and taking out the ACB of capacity upto 1250 Amps of any make and type and servicing of all minor/major parts of the ACB by cleaning isolating contact moving parts,removing dust particle from the bus bar chamber spout gear mechanism, repair to motor charge spring mechanism,tightening of all nut & bolts of entire component as directed , inserting the ACB, testing the complete LT electric supply and putting on supply on load including Calibration of relay of 1.1KV LT ACBs installed at various sub stn at KWC area complete all as specified and directed. Note:- All cleaning /testing equipment/ safety equipment material shall be provided by the contractor and rate for the same shall be demed to be included in quoted rates.

Taking proper shutdown & Isolate the HT electric supply and taking out the trolley of VCB/OCB HT 11KV 300 to 630 Amps of any make and type and servicing of all minor/major parts of the VCB by cleaning isolating contact moving parts,removing dust particle from the bus bar chamber spout gear mechanism, repair to motor charge spring mechanism,tightening of all nut & bolts of entire trolley component as directed , inserting the trolley, testing the complete HT electric supply and putting on supply on load including Calibration of relay of 11KV HT VCBs installed at various sub stn at KWC area complete all as specified and directed. Note:- All cleaning /testing equipment/ safety equipment material shall be provided by the contractor and rate for the same shall be demed to be included in quoted rates.

Supply only in replacement of vaccum interrupter complete all as specified and directed.

Supply only in replacement of big gear and small gear with all fixing arrangement complete all as specified and directed.

Supply only in replacement of closing spring assembly complete all as specified and directed.

Supply only in replacement of tripping spring assembly complete all as specified and directed.

Supply only in replacement of charging motor cut off limit switch complete all as specified and directed.

Supply only in replacement of spring charging handle motorized mechanism of VCB complete all as specified and directed.

Supply only in replacement of push button bracket assembly complete all as specified and directed.

Supply only 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.

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

Supply only in replacement of toggle switch for space heater complete with all accessories all as specified and directed.

Supply only 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

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.

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.

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

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

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 directed.

Material and Labour for earthing complete with GI earth plate electrode 600mmx600mmx6mm thick burried in ground vertically to a depth not less than 2.25meters 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 complete all as specified and whown in electrical plate No 03 of SSR Part-I & testing on completion. (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

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 65 above but of capacity 630 KVA

(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 in replacement 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 replacement LT bushing 11KV suitable for 400 KVA to 1000 /1500 KVA transformer including brass rod complete with gasket as per matching to existing all as specified and directed.

S&F in replacement 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 replacement 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 replacement 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

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

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

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

S&F in replacement ammeter digital type for current range of 0-1000 Amps as per matching to existing including all accessories and wiring complete all as specified and directed.

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

S&F in replacement Current Transformer as per matching to exisitng complete all as specified and directed.

S&F in replacement Multifunctional meter complete all as specified and directed

S&F in replacement 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

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

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

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

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.

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 complete all as specified and directed.

S&F ACP retro sign board 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.

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 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 any capacity, 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. (winding wire and othe items mentioned in schedule will be measured and paid separately)

Rewinding/reinsulation of LT/HT coils of any size and type of transformer including cleaning the brunt out insulating materials, brazing and rewinding with appropriate turns and size of super enamelled DPC insulated copper winding wire of appropriate gauge including filling insulation paper etc all as specified and directed by engr-in-chage Note :- (i) Weight, number of turns, gauge, insulation of winding wire shall be as per OEM. (ii) Work of rewinding shall be carried out through OEM or their authorised vender only.