PROVN OF DEDICATED 160 KVA TRANSFORMER AND ALLIED FOR BOFFB-TA AT TENGA UNDER GE TENGA

Amount

Supply, installation, connection, testing and commissioning of outdoor type distribution transformer of 160 KVA, 11/0.433 KV, 3 phase, 50 Hz, ONAN cooled oil immersed copper wound step down enrgy saving ( level 2) floor mounted complete with first filling ISI marked filtered & dehydrated transformer oil and other standard fittings / accessories and 7 position off circuit tap changer (tapping range +/- 7.5% in steps of 2.5% each) with vector group DYN -11 complete all as specified and as directed by the Engineer in Charge. Note - (i) The ambient temprature shall be 48 degree Centigrade when measured by the resistance method after continuous full load run . (ii) The transformer shall be complete with standard fittings all as specified and conforming to IS:335 of 1993 for oil and IS: 1180 Part -I of 2014 for transformer and comprising of followings:- (i) One No cable box on LV side (secondary side) consisting of 04 Nos of porcelain bushing with bushing rods and another cable box on HV side (primary side) consisting of 03 Nos of porcelain bushing with bushing rods etc complete with nut, washers, cable gland etc. (ii) Oil conservator tank with filter type drain valve and oil level gauge. (iii) Oil level indicator with minimum and maximum marking (iv) Dehydration silica gel breather assembly with first fill of dehydrating agent and oil seal. (v) Explosion vent with diaphragm complete. (vi) Thermometer pocket on tank cover. (vii) Dial type thermometer vapour pressure having range 0-120 degree C with max reading pointer max temp indicator and resetting device. (viii) Rating plate with terminal marking. (ix) 02 Nos earthing terminal on tank and cover for fixing earth strip of size 32 x 6 mm. (x) Oil level gauge and oil drain filter valve. (xi) Lifting hook. (xii) Oil filler hole with cap /plug with connection complete. (xiii) Air relief valve plug. (xiv) Detachable rollers - 04 Nos (xv) Extra bushing for Neutral out side the cable box for independent earthing for neutral earth. (xvi) First fill of fresh transformer oil confirming to relevant IS and tested up to 40 KV die electric strength.

Excavation in trenches n. exc 1.5 mtr wide and n. exc 1.5 mtr depth for pole / cable / foundation etc including getting out in soft /loose soil complete all as specified and directed.

All as per srl item No 2 of above but depth exceeding 1.5 mtr and not exceeding 3 mtr complete all as specified and directed

Returning, filling in, approved earth including spreading, levelling, watering and well ramming in layers n.exc 25 Cm thick after cable are laid and tested complete all as specified and directed.

Removing excavated material / surplus soil to a distance not exc. 50 mtrs & deposited where directed at a level not exc.1.5 mtr above the ground level complete all as specified & directed.

M&L for PCC cable cover class HV type 1 flat size 300 mm x 180 mm x 40 mm ISI marked across the cable for protection of cable after sand cushioning complete all as specified & directed.

M&L for PCC cable cover class LV type 1 flat size 250 mm x 150 mm x 40 mm, ISI marked across the cable for protection of cable after sand cushioning complete all as specified & directed.

M&L for PCC 1:4:8 type D-2 (using 40mm graded stone aggregates) as in foundation filling for erection of pole and mass concrete for poles all as specified and directed by Engr-in-Charge.

M&L for PCC 1:3:6 type C-2 (using 40mm graded stone aggregates) as in foundation filling for erection of pole/fncing post/stay and mass concrete including form work for poles all as specified and directed by Engr-in-Charge.

M&L for PCC 1:2:4 type B-1 (using 20mm graded stone aggregates) as in coping etc including form work for poles all as specified and directed by Engr-in-Charge.

M&L for PCC 1:3:6 type C-1(20 mm graded aggregate) precast cement concrete block masonry with solid blocks exc 10 cm in width and setting in CM 1:6 etc complete.

M&L for plastering in CM (1:4) 10 mm thick on fair faces of brick work or concrete surface/cable duct/floor complete all as specified and directed.

Supply, erecting and fixing in true vertical position, steel tubular swaged pole (410 SP-55) 11.0 mtr long, complete with cast iron base plate, pole cap / finial taper plug, bolts, nuts and washers, welded reduced section and longitudinal weld throughout entire length of pole including 2 coats of black bituminous paint externally upto planting depth and remaining exterior portion of pole shall be provided with one coat of red oxide primer and two coats of aluminium paint, alternate layers of white & red strips 5 nos of 30 cm each complete all as specified and directed. (Numbering of the poles shall be done with synthetic enameled painted letter of shape & size as directed.)

Supply, laying & testing cable XLPE insulated, screened, PVC bedded, galvanized steel strip or wire armoured, electric power cables (heavy duty)with stranded aluminium conductor, 11000 volts grade, of size 3 core 95 sq mm.

S&F of cable jointing Kit 11 KV (earthed) grade cable for end termination out door type heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured Aluminium conductor cable of size 95 sqmm complete all as specified and as directed. Make - M- seal/Denson/3M-Birla

M&L for steel tubing galvanised, light grade complete with fittings laid in trenches/ fixed along with poles etc as protection to cables of size 100 mm dia bore complete all as specified and as directed.Make :- Surya/Jindal/TATA

Material and labour of Cross arms, bracings, supports,clamps and back plates fabricated from structural steel sections including nuts, bolts, washers,welding, bending cold or hot,drilling holes for bolts, in any shape or size as indicated or directed and inclusive of one primer coat, one under coat and one finishing coat of paint complete all as directed by Engineer-in-Charge.

Material and labour of Triple pole, mechanically operated,mounted on insulator and steel frame, with operating mechanism worked from ground level, for current rating upto 200 amps,GOD of 9 insulator type complete all as directed by Engineer-in-Charge

Material and labour of Lightning arresters expulsion type complete with all fittings, transmission class, discharge capacity 65 kilo amp complete all as directed by Engineer-in-Charge

S & F of 11 KV silicon polymeric pin insulator, including one galvanized mild steel spindle two galvanised iron washers and one galvanised iron nut,11000 volt grade suitable for working pressure 12 KV as per IS 731/1971 or latest amendment complete all as specified and directed .

Supplying laying jointing, testing & commissioning in trenches, fixed on poles/ drawing through pipes LT XLPE insulated, screened, PVC bedded galvanised steel strip or wire armoured, electric power cables, heavy duty with stranded aluminium conductor, 1100 volts grade (Earthed) crossectional area size of 95 sqmm 3.5 core complete all as specified and directed.

Danger notice plate of 1.6 mm thick mild steel sheet, viterous enamelled white with letters figure and conventional skull and bone in signal red colour and fixed with MS clamps bolts nad nuts of approvedsize for HT 25x20 cm size complete all as specified & directed.

M&L MS angles as fencing port, struct cutting tops in shape incl all necessary drilling, notching and reveting etc and similar work confirming fe 310-0 pr fe 410-0 including prepration of steel Surface of one coat of red oxide and two coat of synthetic enamel paintall as specified and directed.

M&L for structural MS frame work half round or other stock section including securing posts and stuts in fencing, frame work for gates of substations, base frame for equipments including securing bolts, posts and sturts in fencing including cutting and makeing shapes as desired, drilling holes, notching for wire cut to size and made to the exisitng shape suitable for fixing MS chequred duct covers / door panels, including nuts, bolts and washers, welding / bracing works, bending cold or hot drilling holes for bolts in any shapeetc flat iron fillets (for securing wire mesh etc) all necessary drilling, bolting or riveting etc and similar work confirming to Fe-290 Gde E-165 including one coat of primer and two coats of synthetic enamel paint to the entire steel surfaces all as specified and directed.

M&L for chain link MS galvanised fencing of mesh 100 mm x 100 mm including lines wires, dia of chain link n less than 4 mm any mesh any size any type to any type strands rails, straining bolts etc.

S&F mild steel screw bolt (mechine made) with hexagonal or square, head, n.exc 5 cm but n.ecx 10 cm dia.

M&L TMT bars 10 mm dia and over, cut to length, bent to shape required, including cranking, bending spirally for hooping for columns, hooking ends and binding with and includingmild steel wire (annealed) not less than 0.9 mm dia or securing with clips all as directed.

S&F galvanised 2 strand steel barbed wire 2.24 mm dia barbed with 2 mm dia barbs at 75 mm spacing and straining and fixing to any type of standard rails straining bolts including securing or tying at crossing with and provision of galvanised mild steel wire staples or steel pins etc as directed. Note - Each line of horizontal/vertical/diagonal wire to be measured for purpose of payment.

Material & labour for earthing complete with galvanised steel earth plate electrode 600x600x6 mm thick buried directly in ground (earth pit not less than 2.25m deep below the ground level) with top edge of the plate not less than 1.5mtr below the normal ground level connected to GI Strip 32 x 6 mm by means of bolts, nuts, check nuts and washers of galvanised iron.Earth wire protected by GI pipe 15 mm bore(medium grade) and connected to main switch board or main control board as directed and as specified and shown in electrical plate No. 3 of SSR Part I (2009) including necessary concrete pit in PCC (1:3:6) type C1, pre-cast RCC (1:2:4) type B1 cover slab 40 cm x 40cm x 5cm reinforced with 8mm dia TMT bars @ 15cm C/C with one handle for lifting made out of 8mm dia bar, funnel, wire mesh, 20mm dia GI pipe medium grade for watering, charcoal or coke and salt in alternate layers including necessary excavation and earth work in any type of soil and testing complete all as directed by Engineer-in-Charge.

Surface excavation n.exc (not exceeding) 30 cm deep and averaging 15cm deep and geeting out in hard/ dense soil

M&L for 75mm thick PCC type C-2, 1:3:6 (40mm graded aggregate) as in sub-base, floors and pavings etc complete all as specified and directed.

M&L for sand filling under floors or in foundation including watering and consolidation complete all as specified and directed.

M&L for Machine pressed precast concrete interloking paver block any shape and size confirming to IS 15658-2006 of 60mm thickness, M-35 Grade with grey cement and no pigment complete all as specified and directed by Engr-in-Charge.

M&L for Providig, plain cement concrete type B-1 (1:2:4) using 20mm graded aggregate in roof kerbs or mud stops, rounded or chamfered on edges complete all as specified and directed by Engr-in-Charge.

Formwork to edges of concrette flats, treads, breaks in floors, window cills, concrete railings, opening in cocrete walls, floor and roof n.exc 20cm wide and sides of RCC/ PCC bands in walls, horizontal or sloping and similer work exc 10cm but n.exc 20 cm wide complete.

M/S NIRMAL TRADERS (BID ID -3211477)

M/S KUNKAPU ENTERPRISES (BID ID -3211978)