SPECIAL REPAIR TO ELECTRIFICATION INCLUDING LT PANEL IN HANGER AT SONEGAON NAGPUR

Amount

Excavating in trenches not exceeding 1.5 m wide and not exceeding 1.5 m in depth for foundation of poles, stays, laying of UG cable/ pipes & getting out in soft/loose soil complete all as specified and as directed.

Removing excavated material (soil) not exceeding 50m and depositing where directed at a level not exceeding 1.5 m above the starting point complete all as specified and directed.

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

M & L for providing dry river sand as in sand cushioning for underground cable protection including punning down sand in layers complete all as specified & directed. Note: Only punned thickness of sand shall be measured for payment

Supplying and laying common burnt clay sub class ‘B’ bricks of size 230 mm x 115 mm x 75 mm, laid perpendicular to axis of cable for protection of LT cables complete all as specified and directed.

M & L road cutting of size 30 cm width x 45 cm depth for laying of cables including making good the road with necessary returning filling and bituminious portion with concrete and bituminous mixture and cemented portion with PCC in 1:2:4 , 15 cm thick from top and matching with the existing surfaces complete all as specified and directed.

Supplying and laying GI pipe Light grade (ISI marked) 50mm bore with connecting accessories, laid under road/ drain/fixed on wall etc for protection of cables including taking down complete all as specified and directed

Supplying, laying, testing and Commissioning cable XLPE insulated aluminium conductor,stranded, armoured, PVC sheathed, LT 1100 volt grade, heavy duty as per IS-7098 and providing suitable lugs and cable glands, laid in trenches/ ducts/fixed to wall/ roof/ poles including taking down existing cables complete all as specified and directed for the following sizes.

70 sqmm, 3.5 core

50 sqmm, 3.5 core

Taking down complete old unserviceable LT panel and Supply, installing, testing and commissioning out door type LT feeder piller box of suitable size, pedestal mounted, CPRI approved factory made totally enclosed, dust and vermin proof, shutter in front and in rear side made of 3.15 mm thick CRCA sheet, duly fabricated and having proper locking arrangement in both front and rear door with 4 side slanting roof duly projected and painted to both internal and external surfaces with powder coating paint in heat process of sheet and suitable for 500 volts, 50 Hz, 3 phase 4 wire system, fully compartmentalized design with 4 nos aluminium bus bar suitable for 500 amps mounting on insulator,pre wired with suitable size of copper wire short circuit rating 50 KA(arms)for one second including suitable aluminium earth strip (not less than 20x3mm) for internal connection to the switches/MCCBs all as specified and comprising with and including following accessories and mounted on PCC Plat form made out of PCC 1:3:6, 100 mm thick, 1 Mtr all round the panel board complete with the following items housed in :

BUSBAR :- (i) 300 Amps rated aluminium bus bar TPN duly insulated with coloured PVC sleeve as per standard colour code and rigidly mounted on bakelite/DMC insulator bus bar support (Square/round) insulators of suitable size and good insulation resistance

INCOMING :- (ii) MCCB four pole 200 amps,36 KA breaking capacity,440 volt AC module, shunt trip and earth fault relay=01 no (in coming)

(v) Indicator Lamps (LED type) & bakelite fuse showing R,Y, B phase - 01 set

(vi) Digital frequency meter 40-60 Hz - 01 No.

OUT GOING :- (vii) MCCB four pole 100 amps,36 KA breaking capacity,440 volt AC module, with earth fault relay=03 nos (out going)

(viii) MCB TPN 63 amps,10 KA breaking capacity,440 volt AC module, with earth fault relay=02 nos (out going)

Taking down complete old unserviceable LT panel and Supply, installing, testing and commissioning out door type LT feeder piller box of suitable size, pedestal mounted, CPRI approved factory made totally enclosed, dust and vermin proof, shutter in front and in rear side made of 3.15 mm thick CRCA sheet, duly fabricated and having proper locking arrangement in both front and rear door with 4 side slanting roof duly projected and painted to both internal and external surfaces with powder coating paint in heat process of sheet and suitable for 500 volts, 50 Hz, 3 phase 4 wire system, fully compartmentalized design with 4 nos aluminium bus bar suitable for 500 amps mounting on insulator,pre wired with suitable size of copper wire short circuit rating 50 KA(arms)for one second including suitable aluminium earth strip (not less than 20x3mm) for internal connection to the switches/MCCBs all as specified and comprising with and including following accessories and mounted on PCC Plat form made out of PCC 1:3:6, 100 mm thick, 1 Mtr all round the panel board complete with the following items housed in :

BUSBAR :- (i) 400 Amps rated aluminium bus bar TPN duly insulated with coloured PVC sleeve as per standard colour code and rigidly mounted on bakelite/DMC insulator bus bar support (Square/round) insulators of suitable size and good insulation resistance

INCOMING :- (ii) MCCB four pole 250 amps,36 KA breaking capacity,440 volt AC module, shunt trip and earth fault relay=01 no (in coming)

(v) Indicator Lamps (LED type) & bakelite fuse showing R,Y, B phase - 01 set

(vi) Digital frequency meter 40-60 Hz - 01 No.

OUT GOING :- (vii) MCCB four pole 125 amps,36 KA breaking capacity,440 volt AC module, with earth fault relay=03 nos (out going)

(viii) MCB four pole 63 amps,16 KA breaking capacity,440 volt AC module, with earth fault relay=01 no (out going)

Taking down complete old unserviceable LT panel and Supply, installing, testing and commissioning out door type LT feeder piller box of suitable size, pedestal mounted, CPRI approved factory made totally enclosed, dust and vermin proof, shutter in front and in rear side made of 3.15 mm thick CRCA sheet, duly fabricated and having proper locking arrangement in both front and rear door with 4 side slanting roof duly projected and painted to both internal and external surfaces with powder coating paint in heat process of sheet and suitable for 500 volts, 50 Hz, 3 phase 4 wire system, fully compartmentalized design with 4 nos aluminium bus bar suitable for 500 amps mounting on insulator,pre wired with suitable size of copper wire short circuit rating 50 KA(arms)for one second including suitable aluminium earth strip (not less than 20x3mm) for internal connection to the switches/MCCBs all as specified and comprising with and including following accessories and mounted on PCC Plat form made out of PCC 1:3:6, 100 mm thick, 1 Mtr all round the panel board complete with the following items housed in :

BUSBAR :- (i) 300 Amps rated aluminium bus bar TPN duly insulated with coloured PVC sleeve as per standard colour code and rigidly mounted on bakelite/DMC insulator bus bar support (Square/round) insulators of suitable size and good insulation resistance

INCOMING :- (ii) MCCB four pole 200 amps,36 KA breaking capacity,440 volt AC module, shunt trip and earth fault relay=01 no (in coming)

(v) Indicator Lamps (LED type) & bakelite fuse showing R,Y, B phase - 01 set

(vi) Digital frequency meter 40-60 Hz - 01 No.

OUT GOING :- (vii) MCCB four pole 100 amps,36 KA breaking capacity,440 volt AC module, with earth fault relay=03 nos (out going)

Taking down complete and refixing the existing out door type LT feeder piller box from inside of the hanger to the location as directed by Engineer-in-charge and mounted on Plat form made out of PCC 1:3:6, 100 mm thick, 1 Mtr all round the panel board complete all as specified and directed.

Earthing with galvanised iron earth plate electrode 600 x 600 mm & 6 mm thick burried directly in ground (earth pit not less than 2.25 metre deep below normal GL) with top of earth plate not less than 1.5 metre below GL connected to GI earth strip 32 x 6 mm connected to earthing lead by means of bolts, nuts, check nuts and washers of galvanised iron or steel with & including PCC 1:3:6 Type C1 pit with cover of RCC 1:1.5:3 Type A1 40 mm thick reinforced with 3 Nos, 6 mm dia bars both way, watering arrangements with 20 mm GI medium grade pipe ISI marked, GI funnel with GI mesh, filling with mixture of common salt & charcoal in alternate layers, necessary excavation and earth work in any type of soil, including test point, testing & commissioning, including taking down existing earthing complete all as specified and as directed. (Note :- GI earth strip shall be measured & paid separately)

S & F GI strip of size 32 x 6 mm as earth continuity conductor as main earthing lead fixed to wall on batten or recessess as chases or burried in ground or drawn in pipe fixed to pole or any other indicated situation complete including taking down all as specified & directed

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