PROVN OF STANDBY TROLLY MOUNTED TRANSFORMER OF CAPACITY 400 KVA ALONGWITH CONNECTED ITEMS AT SUNJUWAN UNDER GE JAMMU

Amount

Supply and installation,testing and commissioning AC 3 phase 50 HZ, 400 KVA capacity transformer copper wounded step-down out door type 11000/433 volts (at no load) double wound oil immersed naturally cooled with external cooling tubes,core type delta connected on primary side (HV) and star connected on secondary side (LV) in accordance with vector symbol DY-11 (Vector Group with neutral brought on secondary side (LV side)and having tapping at +/-2.5%,+/-5.0% AND +/- 7.5% to be changed by means of hand operated off load tap changing gear. The maximum centigrade and the transformer shall be confirming to IS-1180 2014 level-2 BIS mark and comprising with the following standard fitting/accessories. Contd to Srl Item No 1.01

(a) Three Nos. porcelain bushing with arching horn on HV side suitable for 11 KV complete with bushing copper rods,nuts and washer. (b) One cable box on LT side (Secondary side) consisting of four No's porcelian with copper bushing rods complete with nuts and washers with one No. cable glands suitable for reception of taking out 01 No 3.5 core LT 1100 Volts grade,PVC sheathed and PVC insulated heavy duty armoured cable including gland joint and jointing materials complete. (c) Oil conservator with filter type drain valve and oil level guage. (d) Dehydrating breather with first fill dehydrating agent (Silica Gel) (e) Explosive vent Contd to Srl Item No 1.02

(f) Thermometer pocket on tank cover (g) One No 100mm dia type thermometer vapour pressure type having range (0-120) degree celsius with metal guard having maximium temperature indication with resisting device for trransformer. (h) two earth terminal on tank cover to facilitate of 32x6mm GI earth strip (j) Rating plate and terminal marking plate (k) Oil level gauge (l) oil drain filter valve (m) Lifting Lugs (n) Oil filling hole with cap/plug with connection plate complete (o) Air release valve/plug (p) Four No's plain solid cast steel detachable rollers (q) Extra bushing for neutral outside the cable box providing independent earthing for neutral (r) First fill of fresh transformer oil conforming to relevent IS tested not less than 60KV dielectric strength at 2.5mm gap complete all as specified and directed by Engineer in charge.

Fabricating and supplying for complete trolley with flat top platform for mounting of transformer of capacity 400 KVA. The size of platform should be 3.00 mtr x 1.85 mtr,frame made out of structural steel MS channel 125mmx65mmx,75mmx40mm and angle iron 40 mmx40mmx5mm size welded with toeing system made out of MS channel with spring and hookmounting hook and chequered plate 6 mm thick for platform mounted on 4 wheel of size 75cm x 16 ply type of Make : CEAT/MRF and equivalent with rims mounted on 2 Nos wheel axles of square bar of size 65mmx65mm suitable for accomodating load of trolly and 400 KVA with wheel rotation arrangement with cushioning arrangement by leaf springs and shockers between platform and axle having mud guard on four wheel with reflector,with jack arrangements of four Nos 5 tonne capacity vertical jacks fixed on trolly of suitable trawler to have 80mm clearance for tyres from ground level for idle period for lifting of trolly to avoid wheel/tyres damage complete with following arrangements Contd to Srl Item No 2.01

with suitable turning radius not less 45 degree. MS Jalli XPM of MS wire 2mm dia around platform on angle iron frame of size 40x40x5mm opening arrangement from both side with locking arrangement for loading and unloading transformer including mechanical hand break,welding,bending and drilling holes ,spray painting with two coats of synthetic enamel paint over a coat of primer over all surface earth lead 35 sqmm copper cable fixed with copper thimble 15 Rm each 06 Nos complete all as specified and directed by Engineer in charge.

Supply and laying and testing cable XLPE insulated heavy duty 11000volts grade screened PVC bedded galvanised steel strip or wire armoured electric power cables flat or circular with stranded aluminum conductor of 3 core 95 sqmm size served laid in trenches,duct,through pipe line in floor on poles including jointing and testing complete all as specified and directed by Engineer in charge.

Cable jointing kit for 11 KV (Earthed) grade cable for outdoor termination 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 directed.

XLPE insulated armoured 1100 volts grade,heavy duty cable of size 400 sqmm nominal cross section 3.5 core flat or circular PVC FRLSH insulated aluminium conductor served with inner sheathing of galvanized steel wire or tape and over all PVC FRLSH sheathed in service connection laid in trenches duct through pipe in floor on pole including jointing and testing complete all as specified and directed by Engineer in charge.

Cable end jointing kit Heat shrinkable type suitable of 1.1 KV (LT) outdoor type for cable size 400 to 500 Sqmm 3.5 core complete all as specified and directed by Engineer in charge.

Amit Enterprises

Ashoka Engineers

SHREE KRISHANA ENTERPRISES

SUMEET TRADING CORPORATION

vishesh engineers