REPAIR /REPLACEMENT OF LT PANEL AND ITS CONNECTED ACCESSORIES AT ZONE A AND ZONE B AT AF STN 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 considered for measurement purposes

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.

35 sqmm, 3.5 core

50 sqmm, 3.5 core

25 sqmm, 3.5 core

16 sqmm, 4 core

Taking down old unserviceable LT panel and Supply, installing, testing and commissioning out door type LT feeder pillar 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 150 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 :

INCOMING :-

(i) MCCB four pole 63 amps,36 KA breaking capacity,microprocessor release adjustable,440 volt AC module, shunt trip and earth fault relay=01 no (in coming)

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

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

BUSBAR :- (vi) 150 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

OUT GOING

(vii) MCCB four pole 63 amps,16 KA breaking capacity, adjustable thermal magnetic, 440 volt AC module, with earth fault relay=01 nos (out going)

(viii) MCB TPN 40 amps,10 KA breaking capacity,440 volt AC module, with earth fault relay=02 nos (out going)

(ix) MCB SPN 40 amps,10 KA breaking capacity,240 volt AC module, with earth fault relay=04 nos (out going)

(x) MCB SPN 20 amps,10 KA breaking capacity,240 volt AC module, with earth fault relay=02 nos (out going)

Taking down old unserviceable LT panel and Supply, installing, testing and commissioning of out door type LT feeder pillar 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 400 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 :

INCOMING :-

(i) MCCB four pole 250 amps,36 KA breaking capacity, microprocessor release adjustable, 440 volt AC module, shunt trip and earth fault relay=01 no (in coming)

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

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

BUSBAR :- (vi) 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

OUT GOING

(vii) MCCB four pole 125 amps,25 KA breaking capacity, adjustable thermal magnetic, 440 volt AC module, with earth fault relay=03 nos (out going)

(viii) MCCB four pole 63 amps,25 KA breaking capacity, adjustable thermal magnetic, 440 volt AC module, with earth fault relay=03 nos (out going)

(ix) MCB TPN 63 amps,10 KA breaking capacity, 415 volt AC module, with earth fault relay=03 nos (out going)

(x) MCB SPN 20 amps,10 KA breaking capacity,240 volt AC module, with earth fault relay=02 nos (out going)

Taking down old unserviceable LT panel and Supply, installing, testing and commissioning of out door type LT feeder pillar 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 400 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 Platform made out of PCC 1:3:6, 100 mm thick, 1 Mtr all round the panel board complete with the following items housed in :

INCOMING :-

(i) MCCB four pole 250 amps,36 KA breaking capacity, microprocessor release adjustable, 440 volt AC module, shunt trip and earth fault relay=01 no (in coming)

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

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

BUSBAR :- (vi) 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

OUT GOING

(vii) MCCB four pole 125 amps,25 KA breaking capacity, adjustable thermal magnetic, 440 volt AC module, with earth fault relay=03 nos (out going)

(viii) MCCB four pole 63 amps,25 KA breaking capacity, adjustable thermal magnetic, 440 volt AC module, with earth fault relay=02 nos (out going)

(ix) MCB TPN 63 amps,10 KA breaking capacity,415 volt AC module, with earth fault relay=01 no (out going)

S & F bus bar chamber made out of MS Sheet of thickness 3 mm fixed on angle iron frame (size 35 x 35 x 5 mm) grouted in PCC 1:3:6 using 40mm graded stone aggregateand coping with PCC 1:2:4 Type B1 using 20mm graded aggregate with aluminium bus bar 100 Amp rating duly colour coated mounted on porcelain insulator suitable for 3 phase 4 wire 415 Volt including one no. of MCCB 4 Pole 40 Amp 16 KA as incomer, outgoing as MCCB 4 Pole 32 Amps, 10 KA - 02 Nos, including necessary cable connection, locking arrangements, earth terminals and cable glands etc. all as specified and directed

S & F bus bar chamber made out of MS Sheet of thickness 3 mm fixed on angle iron frame (size 35 x 35 x 5 mm) grouted in PCC 1:3:6 using 40mm graded stone aggregateand coping with PCC 1:2:4 Type B1 using 20mm graded aggregate with aluminium bus bar 100 Amp rating duly colour coated mounted on porcelain insulator suitable for 3 phase 4 wire 415 Volt including one no. of MCCB 4 Pole 63 Amp 16 KA as incomer, outgoing as MCCB 4 Pole 32 Amps, 10 KA - 02 Nos, including necessary cable connection, locking arrangements, earth terminals and cable glands etc. all as specified and directed

S & F bus bar chamber made out of MS Sheet of thickness 3 mm fixed on angle iron frame (size 35 x 35 x 5 mm) grouted in PCC 1:3:6 using 40mm graded stone aggregateand coping with PCC 1:2:4 Type B1 using 20mm graded aggregate with aluminium bus bar 100 Amp rating duly colour coated mounted on porcelain insulator suitable for 3 phase 4 wire 415 Volt including one no. of MCCB 4 Pole 125 Amp 16 KA as incomer, outgoing as MCCB 4 Pole 63 Amps, 10 KA, including necessary cable connection, locking arrangements, earth terminals and cable glands etc. all as specified and directed

Earthing with galvanised iron earth plate electrode 600 x 600 mm & 6 mm thick buried 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 works in any type of soil, including test point, testing & commissioning, complete including taking down old earthing complete all as specified and as directed. (Note :- GI earth strip shall be measured & paid separately)

M & L for 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 including taking down complete all as specified & directed.

M & L for scrapping down rusted, fallen paint from the Electrical LT panel including rail/channel of base using mechanical scrapers, brushes, sand paper etc and removing the old paint on entire outer surfaces and repainting external surfaces with black/yellow (strip) colour with applying a coat of red oxide zinc chrome primer on the both internal & external portion where base metal is exposed, spray painting one coat of synthetic enamel paint for outdoor type panel including MCCB's specific cabinet complete all as specified and directed.

AUTOMATION AND SWITCHGEAR PANELS

Chinmaya Enteprises

Paragon Electrotechnics