SPECIAL REPAIR/ REPLACEMENT OF LT UNDER GROUND CABLES IN CERTAIN LOCATIONS AT INS CHILKA UNDER GE CHILKA

Amount

Taking up/down existing defective cable of sizes 3.5/4 core 16/35/50/70 sqmm from the trenches / ducts/ along walls / poles / through poles / under roads/ inside sub station complete all as specified and as directed.

Excavation in trenches not exceeding 1.5 M in wide and not exc. 1.5 M in depth for taking out or laying of under ground cable in any type of soil complete all as specified and as directed.

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

Removing surplus soil to a distance not exceeding 50 M and deposited at a level not exceeding 1.5 M above the starting point complete all as specified and as directed.

Supply and laying galvanised steel water tubing, light grade, IS-1239 marked with all fittings IS marked and laid in trenches under roads in drains, fixed to poles/walls with required size flat iron clamp bolts, nuts and washers, complete all as specified and as directed for 80mm dia bore pipe.

Ditto all as per above but 40mm dia bore complete all as specified and as directed

Supply and spread river sand to required width at bottom and top for cable cushioning all as directed by Engr-in-Charge. Note: Punned thickness shall only be measured and paid.

Supply and lay well burnt/Fly ash brick of size 200x100x80mm locallly available as protection of cable in trenches complete all as specifed and as directed by Engineer in charge

Re-laying,jointing, testing and commissioning of serviceable cable obtained from taking out in same or new location or position i.e. in trenches/on walls/floord/roof/ceiling etc of size 2/3/3.5/4 core 16 to 70 sqmm including necessary cable lugs, gland etc complete all as specified and as directed.

M&L for PCC 1:3:6, type C1 (using 20 mm graded granite stone aggregate) for making good the surface where road cutting/ hard standing/ paths and Removing excavated/demolished material to a distance n.exc. 50m complete all as specified and directed by Engineer-in-Charge.

Supply and laying & Testing cable XLPE insulated screened PVC bedded, galvanised steel strip or wire armoured, electric power cable , (heavy duty), 1100 volts grade with stranded aluminium conductor of 185 Sqmm 3.5 Core Note:- Rate Quoted is inclusive of Cable Route indication of PCC and size as directed by engineer in charge.

Ditto all as per above but 70 Sqmm 3.5 Core complete all as specified and directed

Ditto all as per above but 50 Sqmm 3.5 Core complete all as specified and directed

Ditto all as per above but 35 Sqmm 3.5 Core complete all as specified and directed

Ditto all as per above but 16 Sqmm 4 Core complete all as specified and directed

Supply,installing, testing and commissioning in replacement of indoor type LT panel board of suitable size factory made, pedestal mounted, CPRI approved totally enclosed, dust and vermin proof, front side openable, type IP 54 protection made of CRCA sheet 2.00 mm thick of size as per IS and having proper locking arrangement in front side door suitable for 440 volts, 50 Hz, 3 phase 4 wire system including cable glands of suitable size for incoming and outgoing cables and comprising with and including following accessories and mounted on PCC Plat form min 25 cm from ground level and grouted in PCC 1:3:6, 100 mm thick, 0.25 m all round the panel board.complete with the following items housed in :- BUSBAR :- 800 Amps rated Alumunium 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 (Busbar to MCCB shall be connected through suitable size of aluminium rigid / flexible busbar). (a) Incomming :- (i) MCCB 630 Amps, 4 pole, 50 KA, 415 V - 03 Nos Make L & T or its equivalent in Schneider or legrand (ii) ON- LOAD change over switch panel mounting type 415 V 50 Hz, confirm of cap 630 Amps -02 Nos Make L & T or its equivalent in Schneider or legrand (iii) LED Multi function with meters. - 03 Nos (iv) LED indicating lamps-3 set of 3 (b) Outgoing :- (i) MCCB 500 Amps, 4 pole, 36 KA, 440V - 03 Nos Make L & T or its equivalent in Schneider or legrand (ii) MCB 40 Amps, 4 pole, 10 KA, C Curve, 440V - 02 Nos Make L & T or its equivalent in Schneider or legrand

Supply,installing, testing and commissioning of indoor type LT panel board of suitable size, pedestal mounted, CPRI approved totally enclosed, dust and vermin proof, front side openable, type IP 54 protection made of CRCA sheet 2.00 mm thick of size as per IS and having proper locking arrangement in front side door suitable for 440 volts, 50 Hz, 3 phase 4 wire system including cable glands of suitable size for incoming and outgoing cables and comprising with and including following accessories and mounted on PCC Plat form min 25 cm from ground level and grouted in PCC 1:3:6, 100 mm thick, 0.25 m all round the panel board.complete with the following items housed in :- BUSBAR :- 200 Amps rated Alumunium 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 (Busbar to MCCB shall be connected through suitable size of aluminium rigid / flexible busbar). (a) Incomming :- (i) MCCB 125 Amps, 4 pole, 36 KA, 415 V - 01 Nos Make L & T or its equivalent in Schneider or legrand (ii) LED Multi function with meters. - 01 Nos (iii) LED indicating lamp (b) Outgoing :- (i) MCCB 63 Amps, 4 pole, 25 KA, 440V - 04 Nos Make L & T or its equivalent in Schneider or legrand (ii) MCB 40 Amps, 4 pole, 10 KA, C Curve, 440V - 02 Nos Make L & T or its equivalent in Schneider or legrand

M&L Earthing complete with galvanised steel earth plate electrode 600x600x6mm thick, buried directly and preferably vertically in ground (earth pit not less than 2.25 mtr deep below ground level ) with top edge of the plate not less than 1.5 mtr below normal ground level, connected to galavanised earth strip 32x6mm as earthing lead by means of bolts, nuts, check nuts and washers of galvanised iron or steel all as shown in electrical plate No 5, connected to earthing test point all as specified including earth work and excavation in any type of soil, PCC 1:3:6 type C1 chamber & RCC 1:2:4 type B1 cover 40mm thick, with 8mm dia steel deformed (TMT bars) reinforcement at 150mm c/c both ways, 40 mm dia GI light grade pipe for earth lead protection, 20mm dia GI light grade pipe for watering , water funnel, testing point etc, complete all as specified and testing on completion.

Supply and fix in replacement 1 ph, 110-240 VAC, 2W 2 C/O, base/Din 50 ON/OFF Each digital astro time switch complete with necessary fixing/Electrical wiring arrangements viz clamps, nut bolts, wires of required size etc complete including testing on completion all as specified. Make : L & T GIC(Cat No :AS2DCDS) or its equivalent in Schneider or Cromption

M&L for straight through joint (Heat Shrinkable) for under ground PVC insulated and PVC sheathed armoured heavy duty XLPE cables with aluminium conductor including jointing kit, including making joints for the cable of size 185 sqmm x 3.5 core cables including testing complete all as specified and as directed. Make :- Densons / 3M / Raychem

M/S SOMANATH ENTERPRISES

PABITRA MOHAN PARIDA