AUGMENTATION OF ELECTRICAL SUPPLY FOR INSTALLATION OF 01X100 KVA TRANSFORMER AND ALLIED WORKS AT CERTAIN AREA AND PROVN OF 3 PHASE ELECTRIC CONNECTION AT PROOF YARD FOR DEMIL PLANT IN CERTAIN AREA AT MIL STN JAISALMER UNDER GE (A) JAISALMER

Amount

Supply and Installation, testing and commissioing of AC, 3 Phase, 50 Hz 100 KVA Capacity transfomer step down outdoor type 11/0.433 KV (at No load) 50 Hz copper wound, oil cooler(ONAN) complete with oil tank including first fill of ISI marked insulating oil up to top level, oil level indicater, breather with Silica gel, lifting hooks, drain valve, air vent valve, tackel wheel with channel and locking arrangement to put on the plinth with external cooling tubes, Core type, delta connected on primary side (HV) and star connected on secondary side LV) in accodance with vector symbol DYN-11 (vector Group-4) with neutral brought out on secondary side (LV Side) OFF load tap Changer with mannual voltage regulation0.433 KV in suitable steps/position on HV side to give output of 0.433 KV on LV side and provision of following accessories and connecting with electrical system, earthing etc. including all jointing materials, testing and commissioining all as per IS 1180-2014 and energy efficiency level-II including filling of trasformer oil having confirming to IS : 335-1993 and shall comprise of the following :- (a) 03 Nos porclain HT bushings with brass/gun metal bushingrods complete with nut and washers on primary(HV) side, suitable for HT, 11 KV, XLPE Cable of size 3 Core 95 Sqmm. (b) 4 Nos porcelain bushings with brass/gun metal bushing rods complete with nut and washers on secondary(LV) side.tor with filter typedrain valve and oillevel gauge. (b) 4 Nos porcelain bushings with brass/gun metal bushing rods complete with nut and washers on secondary(LV) side.

(c) Oil conservator with filter typedrain valve and oillevel gauge. (d) De-hydrating breather with first fill dehydration agent (Silica gel). (e) Explosive vent. (f) Thermometer pocket on tank cover. (g) One No 100MM dia, dial type thermameter, vapour pressure type having range 0-120 degree celsius with metal guard having minimum perimeter reading temperature indicator with resisting device for transformer.

(h) Two earthing terminals to be provided diagonally on either side of tank cover to facilitate fixing of 50x6 mm galvanised iron earth strip for earthing of neutal and body.

(j) Rating plate and terminal marking .

(k) Oil level gauge.

(l) Oil drain filter valve.

(m) Lifting lugs.

(n) Oil filling hole with cap/plug with connecting plate complete.

(o) Air relief valve plug,

(p) Four plain solid cast steel detachable rockters.

(q) First filling of new and unused transformeroil IS-335/93(Fourth revision) marked filtered and tested up to 45 Kv dielectric strength 2.5mm air gap between testing electrodes.

(r) Separate neutral bushing to be provided for earthing.

(s) Provision of 2 Nos danger boards 250/200 mm size made out of 1.6 mm thick plate, viterous enamele white, with letters figures of voltageand conventional skall and benes insignal red colours on frant side. The rear side of the plate also be enamelled.

(t) Any other fittings/accessories so as to confirm the whole transformer to 1180 : 2014.

(u) Tapping range (+) 7.5% to (-) 7.5% instep of 2.5% each, 7 steps..

Supply ,Transportation, fixng and errection of prestressed cement concerte pole 11 mtr long, miximum cross section 152mmx152mm at top and 152mm x 260 mm at bottom class-9 conforming to IS 01678 and including making alternate white and black strips 30cm height (total No-05 Nos), primer two cots of synthetic enamle paint oer a coat of primer complte all as speficied and directed by Engineer-in-Charge.

Excavation in trenches in soft/disintegrated rocks not exceeding 1.5 mtr deep and not exceeding 1.5 mtr wide for laying of cable and erection of poles all as specified and directed at site.

Excavation in trenches in Hard rocks by chiseling exceeding 1.5 mtr deep and not exceeding 3 mtr wide for erection of poles all as specified and directed at site.

Returning, filling in including spreading, leveling, watering and well ramming excavated soft/disintegrated rock in layers , all as specified and directed at site.

Removing excavated materials (soft /disintegrated rock) to a distance not exceeding 50 mtr and depositing where directed at a level not exceeding 1.5m above the starting point all as specified and directed.

M&L for sand cushioning to under ground cable using tibba sand and gently punning to cushioning to cable complete all as directed by Engineer-in-Charge.

Supply & laying 40 to 50mm thick roughly hammer dressed Jodhpur stone patti cable cover 25cm to 30cm wide and n. exc 60cm long each laid dry abutting with each other with maximum gap between adjacent slabs n. exc 10mm complete all as specified & directed by Engineer-in-Charge.

M&L for plain cement concrete (1:4:8) type D-2 using 40mm grade stone aggregate in foundation of pole/struts etc including necessary form work all as specified and directed by Engineer-in-Charge.

M&L for plain cement concrete (1:3:6) type C-2 using 40mm grade stone aggregate in foundation of stay assembly/pole including necessary form work all as specified and directed by Engineer-in-Charge.

M&L for plain cement concrete (1:2:4) type B-1 using 20mm grade stone aggregate for couping/encasing around of pole including necessary form work finished een and smooth without using extra cement all as specified and directed by Engineer-in-Charge.

Supply fabricate, fixing structural mild steel RS joist, channel angle iron, flate iron and brackets etc for fabrication of cross arms, bracing supports clamps including D clapms, eye hook and back plate etc fabricated from structural steel section inclduing nuts, bolts,washers, welding (Cold and Hot) drilling holes for bolts, bend to any shape or size as indicated and directed, inclusive of one primer coat and two coats of aluminium paint after preparation of surfaces complete all as specified and directed by Engineer-in-Charge.

Supply and fix HT 11 KV, out door type gang operated air-break switch suitable for horizontal or vertical mounting fixed type complete with 9 insulators of rating upto 200 Amps complete with DO assembly all as specified.

Supply and fix cable jointing kit for 11 KV grade cable for outdoor termination, heat shrink, joint complete with jointing material and accessories suitable for 3 core 95 Sqmm cable.

Supply and fixing lightning arrestor HT 11 KV 10 KA station class.

Supply and fixing Expulsion Fuses HT 11 KV station class.

S&F for 100 mm bore GI tubing “light grade” in trenches/ on pole for protection of cables complete all as specified & directed by Engineer-in-Charge.

S&F for 80 mm bore GI tubing “light grade” in trenches/ on pole for protection of cables complete all as specified & directed by Engineer-in-Charge.

S&F for 50 mm bore GI tubing “light grade” in trenches/ on pole for protection of cables complete all as specified & directed by Engineer-in-Charge.

M&L for road cutting for passing of HT/ LT Cable inside GI Pipe of suitable size complete digging after laying of pipe line/ Cable making good the surface complete all as specified and directed by Enginer-in-Charge.

M & L for XLPE insulated,armoured heavy duty electric cable with aluminum conductor,11000 Volts grade,cross sectional area 95 Sqmm 3 Core complete all as specified.

M & L for XLPE insulated,armoured heavy duty electric cable with aluminum conductor,1100 Volts grade,cross sectional area size 70 Sqmm 3.5 Core complete all as specified.

M & L bore earthing not less than 250 mm dia 16 feet deep filled with black soil up to 7 feet from bottom complete with galvanized iron pipe 40 mm bore medium grade 3 meter long tapers at bottom & provided 12 mm holes (staggered) at 75 mm centre to centre up to 2.5 meter of length from bottom , burried directly in ground filled with 45 cm alternate layer of chemical magnisium sulphate & salt up to ground levl connected to galvanized iron strip 32 x 6 mm as earthing lead by means of bolt and nut, check nuts and washer of galvanized iron or steel including brazing work and 40mm dia light grade pipe for earth lead protection and testing on completion complete all as specified and directed.

M&L Earthing complete with copper plate 60x60cmx6mm thick, burried directly in ground(earth pit not less than 2.25 meters deep below ground level) with top edge of the plate not less 1.5 meters below normal ground level, connected to copper earth lead wire 20x3mm dia by means of bolts, check nuts and washers of copper all as shown in electrical plate No 5 connected to earthing test point all as specified or indicated including testing on completion of work complete all as specified and directed.

Supply, installation, commissioning and testing of LT panel (CPRI Approved) out door type 415 Volts, 50 Hz, 3 Phase 4 wire supply Padastal floor mounted double door center opening with lockng arrangement , factory assembled,CPRI approved, weather and vermin proof (protection class IP-54) canopy on top, outer door made out of 3.15 mm thick CRCA sheet for individual hinged type door for MCCBs , powder coated and supported on 50 mm x 50 mm x 6 mm angle iron frame with 75 cm grouted in PCC and 30 cm above PCC,duly painted with black bituminous paint) and 3.15 mm thick MS rubber beading provided with TPN aluminium bus bar of rating 200 amps duly coloured coded mounted on porcelain insulators,complete control wiring for metering system with suitable size copper conductor ,multistranded ,FRLS cables duly bunched with identification mark,,fixing of panel at floor by providing PCC 1:2:4 type B-1 using 20 mm graded stone aggregate as in foundation as required at site , complete to accommodate including the following:-

(a) Bus bar chamber comprising 4 Nos Aluminum strip bus bars air insulated and PVC sheathed capacity 260 Amps with colour coding in separate sheet steel enclosure.(set of four)

(b) MCCB 415 Volts, 160 Amp rating 4 pole, Breaking Capacity 30 kA -01 No (incoming) Make- ABB, Scheinder, Legrand, L&T. (Icu = 100% Ics)

(c) MCCB 415 Volts, 100 Amp rating 4 pole, Breaking Capacity 18kA - 02 No (For out going) (01 No Working & 01 No Spare) Make- ABB, Scheinder, Legrand, L&T.

(d) MCB 415 volts, 40 Amp, rating 4 Pole (Triple pole and Neutral), Capacity 16 KA - 02 Nos

(e) MCB 240 Volts, 40 Amp rating 2 pole, Capacity 10 kA -02 Nos

(g) LED type/Neon type indicating lamps panel mounting type RYB - 3 Nos

(h) S&F danger notice plate 1.6 mm thick MS sheet of size 20 x15 cm .-01 No

(j) Platform for the feeder pillar board with PCC (1:2:4) work

Supply ,Transportation, fixng and errection of prestressed cement concerte pole 11 mtr long, miximum cross section 152mmx152mm at top and 152mm x 260 mm at bottom class-9 conforming to IS 01678 and including making alternate white and black strips 30cm height (total No-05 Nos), primer two cots of synthetic enamle paint oer a coat of primer complte all as speficied and directed by Engineer-in-Charge.

Supply, installation, commissioning and testing of LT FP box (CPRI Approved) outdoor type 415 Volts, 50 Hz, 3 Phase 4 wire supply Padastal mounted front & rear openable with lockng arrangement , factory assembled,CPRI approved, weather and vermin proof (protection class IP-54) canopy on top, outer door made out of 3.15 mm thick CRCA sheet for individual hinged type door duly powder coated and supported on 40 mm x 40 mm x 5 mm angle iron frame and 3.15 mm thick MS rubber beading , complete with all hardware, wires and wiring accessories to accommodate including the following:-

(a) 4 No's alumnium bus bar of rating 160 Amps mounted on heavy duty rubberised/porcelene support two set (Vertically and horizontaly)

(b) MCCB 125 Amps 16 kA 4 Pole adjustable type -01 No (Incoming)

(c) MCCB 100 Amps 16 kA 4 Pole adjustable type -01 No (Out going)

(e) 100/5A, 5VA CTs-03 Nos

(f) Indicating lamp LED type set of three -01 No

(g) PCC work complete

(h) Danger Notice board

(j) 4 pole Changover Switch 100 Amp-01 No

Shifting of transformer of capacity of 100 KVAon two pole structure with all required T&P/Hydera including connections, testing at new location complete all as directed by Engr-in-Charge.

M/S JAGDAMBA ENTERPRISES

Nvimal Engineers and Contractor

MORESHWAR ELECTRICALS CORPORATION

Rasam Engg Co.

star electricals

M/s Yash Electrical and Maintenance

S.G.ENGINEERING COMPANY