REPAIR/REPLACEMENT OF OLD UNSV LT UG CABLES, ELECTRICAL ACCESSORIES, SWITCH GEARS OF VARIOUS SIZES INCLUDING PAINTING OF LT POLES AND CONNECTED WORKS IN MD ACCNS AND TECH BLDGS AT AF STN BIHTA

Amount

Excavation in trenches not exc 1.5 m wide and not exc 1.5 m deep for foundation etc or for shafts, column footings or for laying cables etc not exc 10 Sqm on plan and getting out in soft/loose soil, complete all as specified and directed.

Returning, filling in soil including spreading, levelling, watering and well ramming in layers n.exc 25 cm thick complete all as specified and directed.

Removing excavated materials (soil) not exc 50 m distance and depositing where directed at a level not exc 1.5 m above starting point, complete all as specified and directed.

Supply and laying well burnt old size sub class 'B' bricks as protection to underground cables, laid dry and flat perpendicular to the direction of cable adjoining each other, complete all as specified and directed.

M&L for dry and fine river sand free from sharp material as in cushioning to cable in trenches for cable protection including necessary punning and consolidation as required, complete all as specified and as directed. (Depth of sand shall be measured after punning).

M&L for PCC 1:2:4 type B-1 using 20mm graded aggregate mechanically crushed stone aggregate for coping of pole including necessary form work, complete all as specified and directed.

M&L for PCC 1:3:6 type C-2 using 40mm graded aggregate mechanically crushed stone aggregate for mass filling in stay pits and pole foundation etc, complete all as specified and directed.

Disconnecting & taking out defective under ground cable from trenches, pole, pipe, floor, wall etc, locating the fault, rectifying the defect and relaying the XLPE cable under ground PVC insulated and overall sheathed aluminium conductor heavy duty 1100 volts, connecting and testing for any size complete as directed by Engineer-in-Charge (Excavation,earth work, brick protection sand cushioning and GI pipe etc shall be measured & paid for separately).

Supply, Laying, jointing and testing of cable XLPE insulated, screened, PVC bedded, galvanised steel strip or wire armoured electric power cable, heavy duty, with aluminium conductor, 1100 Volts grade, complete all as specified and directed for the following size of cables: - (a) Cross sectional area 25 Sqmm 3 ½ core

(b) Cross sectional area 70 Sqmm 3 ½ core

(c) Cross sectional area 120 Sqmm 3 ½ core

(d) Cross sectional area 240 Sqmm 3 ½ core

Material & labour for cleaning, preparing the surface of steel tubular poles LT 9.0 mtrs long including removing of rust particles and painting with two coat of aluminium paint including cross arms, bracing, supports, clamps, eye hook etc., and providing Blue & white strips alternatively 30cm each from coping to 1.5 mtr height starting with blue strip using synthetic enamel paint, complete all as specified and directed.

S & F Cable jointing kit suitable for 1.1 KV grade cable outdoor/indoor end termination, heat shrinkable type joint complete with jointing material and accessories suitable for 3.5 core XLPE armoured aluminium conductor cable of size 25-50 sq mm, complete all as specified and directed.

S & F Cable jointing kit suitable for 1.1 KV grade cable outdoor/indoor end termination, heat shrinkable type joint complete with jointing material and accessories suitable for 3.5 core XLPE armoured aluminium conductor cable of size 70-120 sq mm complete all as specified and directed.

S & F Cable jointing kit suitable for 1.1 KV grade cable outdoor/indoor end termination, heat shrinkable type joint complete with jointing material and accessories suitable for 3.5 core XLPE armoured aluminium conductor cable of size 150 to 185 sq mm complete all as specified and directed.

S & F Cable jointing kit suitable for 1.1 KV grade cable outdoor/indoor end termination, heat shrinkable type joint complete with jointing material and accessories suitable for 3.5 core XLPE armoured aluminium conductor cable of size 240 to 300 sq mm complete all as specified and directed.

Supply and fix cable jointing kit for 1.1 KV grade cable for straight through joint complete with Jointing material heat Shrink type and accessories suitable for 3 ½ core XLPE, armoured, Al conductor cable of size 70-150 sqmm complete all as specified and directed.

S&F GI tubing, light grade, with all fittings and laid in trenches/under roads, drains etc, or fixed to poles/walls with GI clamps, nut, bolts etc and making good disturbed surfaces, complete all as specified and directed for the following size of pipes: - (a) 50 mm bore

(b) 80 mm bore

Supply and fix Four Pole Swich disconnector fuse bolted type with 4 fuses having capacity 250 Amp conforming to IS/IEC:60947-Part 1&3 with sheet steel enclosure including all connected accessories as required and including all connections, mounting etc and complete all as specified and directed by Engineer in Charge.

Supply and fix Busbar Chamber wall mounted having 4 number busbars made of ETP Grade copper of capacity 250Amp and having 8 ways with sheet steel enclosure including all connected accessories as required and including all connections, mounting etc and complete all as specified and directed by Engineer in Charge.

Supplying, installing, testing & commissioning out door type cubical panel board outer shell made out of 3.15 mm thick MS sheet and inner shell made out of 2 mm thick MS sheet and MS angle section 50x50x6 mm mounted on PCC 1:2:4 type B-1 platform 60 cm above and 45 cm below the ground level, frame factory fabricated with front openable double door system and cable alloy (Each door hinged with body at 3 places with body and hinges should be welded with body and door) lockable/openable by Keys having chromium plated 19 mm dia fancy lock, “U” type gasket shall be used to make the outer shell completely vermin proof suitable for 3 phase 4 wire 415 Volt, 50 Hz, tested at factory approved from CPRI for 35 MVA rupturing capacity at 415 Volts, factory fabricated having modern fabrication and testing process followed by powder coat painting having thickness not less than 100 microns provided with suitable gasket to make it dust/vermin proof and general construction confirming to IS:8623/93 comprising of the following: -

a) Aluminium bus bar 200 Amps cap 4 wire fixed on insulator not less than 1.0 mtr long bus bar - 1 set

b) Incoming MCCB 125 Amps 4 pole 415 Volts AC with thermal magnetic 36 KA, Ics = 100% Icu, class-2 front face isolation with positive break indication with double break contacts with spreader and phase barrier complete all as directed. - 1 No

(c) Outgoing MCCB 63 Amps 4 pole 415 Volts AC with thermal magnetic 25 KA, Ics = 100% Icu, class-2 front face isolation with positive break indication with double break contacts with spreader and phase barrier complete all as directed. - 3 Nos

g) Indicator Lamp RYB 22.5mm dia LED type 240 volts AC with incoming including back up protection by 2 Amp MCB RYB with holder-01 set of three.

h) CT Coils of suitable ratio - 01 Set.

Note: - (i) The quoted rate shall include minor items such as cable lugs, steel nuts & bolts, washers, top insulators, sleeves, spreaders, provision of extra holes in bus bar, provision of cable gland etc. (ii) All internal wiring shall be done with suitable size of PVC insulated solid copper conductor FRLS cable conforming to IS-694. (iii) Panel drawing shall be got approved before placing of order from Engr-in-Charge/GE. (iv) The bus connection for cable from main bus bar to outgoing MCCB will be connected through suitable rating bus bar strip type duly insulated. (v) The Panel shall be surrounded with 23cm brick wall upto 0.5 mtr height all around the panel and blank portion between panel and wall shall be filled with PCC 1:2:4 incl masonary work leaving ducts for cables, complete all as specified and directed.

M & L for earthing complete with galvanized steel earth plate electrode 60cm x 60cm x 6 mm thick, buried directly 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 meters below normal ground level, connected to galvanised iron strip 32x6 mm as earthing lead by means of bolts, nuts, check-nuts, and washers of galvanised iron or steel including excavation and earth work, GI pipe medium grade 40 mm bore for protection of GI strip from earth electrode to test point /machinery / equipment, supplying and laying charcoal dust, common salt, PCC (1:2:4) type B1 using 20 mm graded crushed stone agregrate chamber and RCC cover 54 cmx54cm x50 mm thick (1:2:4) type B-1 using 20 mm graded crushed stone aggregates, reinforced with 8 mm dia TMT bars @ 75mm C/C both ways with mild steel handle 12 mm dia, using round bar, PGI funnel with wire mesh, 20 mm dia GI pipe light grade for watering all as shown in electrical plate No-3 of SSR part-1 and testing on completion including taking out the old unserviceable earthing complete all as specified and directed. Note - Cost of GI wire and GI protection pipe up to a distance 7.5 M shall be included in quated rate of above Items.Note : Rate for taking down of old unsv earthing upto ground level may also be includ in quoting rate).

Material & labour for cleaning and removing of rust particle, preparation of surface of LT panels of any size indoor/outdoor type and painting with two coats of synthetic enamel paint over one coat of red oxide primer by using spray gun including minor repair of LT door, hinges and locking arrangement by using welding machine/screws etc as required at site, complete all as specified and as directed.

Supply & Fixing MCCB TPN 415 Volts 63 Amps rating with breaking capacity of 16 KA, ICS = 100% OF ICU, fixed thermal & magnetic setting complete, must be compatible with the frame of existing Panel/Feedar Pillar on site with suitable size of flat bars and all accessories for connection, complete all as specified and directed.

Supply & Fixing MCCB TPN 415 Volts 100 Amps rating with breaking capacity of 16 KA, ICS = 100% OF ICU, fixed thermal & magnetic setting complete, must be compatible with the frame of existing Panel/Feedar Pillar on site with suitable size of flat bars and all accessories for connection, complete all as specified and directed.

Supply & Fixing MCCB TPN 415 Volts 125 Amps rating with breaking capacity of 16 KA, ICS = 100% OF ICU, fixed thermal & magnetic setting complete, must be compatible with the frame of existing Panel/Feedar Pillar on site with suitable size of flat bars and all accessories for connection, complete all as specified and directed.

Supply & Fixing MCCB TPN 415 Volts 160 Amps rating with breaking capacity of 25 KA, ICS = 100% OF ICU, fixed thermal & magnetic setting complete, must be compatible with the frame of existing Panel/Feedar Pillar on site with suitable size of flat bars and all accessories for connection, complete all as specified and directed.

Supply & Fixing MCCB TPN 415 Volts 200Amps rating with breaking capacity of 25 KA, ICS = 100% OF ICU, fixed thermal & magnetic setting complete, must be compatible with the frame of existing Panel/Feedar Pillar on site with suitable size of flat bars and all accessories for connection complete all as specified and directed.

Supply & Fixing MCCB TPN 415 Volts 250 Amps rating with breaking capacity of KA, ICS = 100% OF ICU, fixed thermal & magnetic setting complete, must be compatible with the frame of existing Panel/Feedar Pillar on site with suitable size of flat bars and all accessories for connection, complete all as specified and directed.

Taking out lantern carriage of high mast light fitting with the help of integral power tools for repair and maintenance of unserviceable parts of any capacity and type including replacement of defective parts replaced with new parts (item shall be measured and paid seperately as supply & fixing in repair) and make the fittings serviceable and re-fixing the lantern carriage at the original position, complete all as specified and directed.

M & L for repair of control panel of high mast light fitting complete with checking all electrical wiring and contactor including removing the old burnt control wiring from the panel and re-wiring with new PVC insulated copper cable single core multi strand with existing size and make the panel serviceable including testing after completion of work, complete all as specified and directed.

Repair/Maintenance of winch/power tool double drum type/350 Kg suitable for lowering and raising the highmast lantern including dismantling of winch/power tool and refixing after repair with connected accessories complete all as specified and directed.

M&L for re-winding of existing highmast three phase motor of capacity upto 1.5 HP with reverse and forward moving, 6 pole single speed suitable for high mast including dismantling of motor and refixing after rewinding in same position with connected accessories, complete all as specified and directed.

Repair & maintenance of three phase motor of capacity 1 HP with reverse and forward moving, 6 pole single speed suitable for high mast including dismantling of motor and refixing after repair/servicing in same position with connected accessories, complete all as specified and directed.

Bikarma Enterprise

M/S SAROJ KUMAR SINGH

GANPATI ENTERPRISES

ARTI ENTERPRISES

MS JAGDAMBA ENTERPRISES

B.K. ROY & SONS

M/S Akash Enterprises