S/I/T/C OF TRANSFORMER OF 250 KVA ALONG WITH ALLIED ELECTRICAL WORKS AT IFS, GURUGRAM

Amount

S/I/T/C of 250 KVA 11 / 0.433 KV, 3 Phase, 50Hz, Dyn-11 vector group, oil immersed outdoor ONAN type, BIS Level-2, copper wound step down transformer with off load tap changing arrangement on HV side in steps of +/-2.5%, +/-5% & - 7.5%, having cable end boxes on HV side suitable for 3 Core suitable size XLPE cable of 11KV grade and cable end box on LV side with neutral brought out separately, having delta connection on primary side and star connection on secondary side complete with all fittings as given in the specifications including silica Gel breather, oil conservator, lifting lugs wheels suitable boxes on MV end, disconnecting chamber on HV side, oil level gauge , oil drain valve, thermometer , earthing terminals, diagram and rating plate, explosion vent, transformer oil duly filled with filtered transformer oil ( as per IS 335) up to required level etc. complete and including supplying and laying of copper conductor multicore control cable from transformer to HT breaker for safety tripping, suitably mounted on M.S. Channel i/c supplying and grouting of suitable M.S. Channel with all accessories and confirming to IS 2026 (Part 1 to Part 5) & confirming to section 3 of CPWD General Specifications for Electrical works, (Part-IV)-Sub-station) 1982 with latest amendments and additional specifications complete in all respects as required at site.

Supplying of following sizes of ISI marked 11KV power cable ,Stranded, compact circular aluminium conductor, XLPE insulated, innersheath of PVC, Galvanised Steel Flat strip armoured and overall PVC Sheathed Cable conforming to IS: 7098 (Part II) with ammendments complete as required of make R R Kable/ Finolex / Havells. 3 core 95 sq. mm

Supply of following size of XLPE Power cable of 1.1 KV grade armoured Aluminum Cable Compulsary ISI made Confirming to IS : 7098/ Part -I / 88 with amendment no I as reqd.of make R R Kable/ Finolex / Havells. of 3.5 x 300 sq.mm

Providing and laying in position cement concrete of specified grade excluding the cost of centring and shuttering - All work upto plinth level - 1:2:4 (1 Cement : 2 Courses : 4 Graded Stone aggregate 20 mm nominal size)

Earth work in excavation by mechanical means (Hydraulic Excavator)/ manual means in foundatio trenches or drains (not exceeding 1.5m in width or 10 sqm on plan) i/c dressing of sides and ramming of bottoms, lift upto 1.5m i/c getting out the excavated soil and desposal of surplus excavated soil as directed, with in a lead of 50m

Providing 15mm Cement plaster of mix: 1:4 (1 Cement : 4 find sand)

Proding and fixing following dia G.I. pipe (medium class) 3 metres length along the wall for protection of cable as required. 100 mm dia

Providing, laying and fixing following dia G.I. pipe (medium class) in ground complete with G.I. fittings including trenching (75 cm deep)and re-filling etc as required 100 mm dia

Supply, installation, testing and commissioning of maintenance free copper chemical earthing with 16mm dia and 5 meter length copper rod conductor and concrete embedding dia 100 mm and length 5 meter with CC pit cover and frame of size 250mm x 250mm and stainless steel nutes,bolts and washers etc. complete with all accessories as required.

Earthing with copper earth plate 600 mm X 600 mm X 3 mm thick including accessories, and providing masonry enclosure with cover plate having locking arrangement and watering pipe of 2.7 metre long etc. with charcoal/ coke and salt as required.

Earthing with G.I. earth plate 600 mm X 600 mm X 6 mm thick including accessories, and providing masonry enclosure with cover plate having locking arrangement and watering pipe of 2.7 metre long etc. with charcoal/ coke and salt as required.

Providing and fixing 25 mm X 5 mm copper strip in 40 mm dia G.I. pipe from earth electrode including connection with brass nut, bolt, spring, washer excavation and re-filling etc. as required.

Providing and fixing 25 mm X 5 mm G.I. strip in 40 mm dia G.I. pipe from earth electrode including connection with G.I. nut, bolt, spring, washer excavation and re-filling etc. as required.

Providing and fixing 25 mm X 5 mm copper strip on surface or in recess for connections etc. as required.

Providing and fixing 25 mm X 5 mm G.I. strip on surface or in recess for connections etc. as required.

Fabrication, supply & erection of swaged steel tubular pole with following specifications conforming to IS: 2713 (Part 1-3) 1980 with steel base plate of size 400mmx400mmx6mm(thick) welded to bottom of pole painting with one coat of approved steel primer & finishing with Al. paint i/c erection in cement concrete 1:3:6 (1cement: 3 coarse sand: 6 graded stone 40mm nominal size) foundation, excavation, refilling etc. as required. 11 Mtr height Pole, SP-54, weight 210 Kg.

Supplying (one set of three nos.) of 630 Amp, 11 KV 50 Hz A.C. supply system H.T. gang operated air break isolating switch assembly (horizontal type mounting) with copper phospher bronze/tinned copper contacts, complete with operating handle of suitable length having suitable square bar handle with locking arrangement and other GI hardware fittings confirming to relevant I.S. specification and fixing the same on the existing pole structure having channels and clamps including making connections, testing and commissioning etc. as required.

Supplying and erection of 11 KV pin insulator complete with large steel head G.I. pin, nuts, washers etc. as required.

Supplying and erection of 11 KV disc insulator for 11 KV over head lines with galvanised insulator fittings, ball and socket type and complete with galvanised strain clamps, bolts, nuts, washers etc. as required.

Supplying and erection of three piece nonlinear resistor type lightning arrestor suitable for 3 wire, 11 KV over head lines with rated voltage 9 KV [rms] with a nominal discharge current rating of 5 KV and complete with galvanised clamping arrangement, G.I bolts, nuts, washers etc as required.

Supplying of channel iron 75 mm X 40 mm X 6mm (7.14 kg per metre) pole top bracket/ corss arm for single 11 KV over head line conductor complete with 50 mm x 6 mm flat iron clamp, bolts, nuts and washers including drilling holes for insulator pins, bolts and nuts etc and painting with primer and finish paint as required.

Supplying and erection of a set of cross bracing frame work for 11 KV over head line double pole structure having four members fabricated out of 50 mm X 50 mm X 6 mm angle iron to form a rectangle of minimum size 1400 mm width X 2500 mm height , complete with 50 mm X 6mm M.S. flat iron clamps, bolts and nuts including drilling holes for insulator pins, bolts and nuts etc (as per drawing) and painting with primer and finish paint as required.

Fencing of switch yard / substation with MS welded wire mesh of size 32mmx32mmx2.8mm dia in panel for of size 2 mtr x1mtr made of 50mm x 50mm x 5mm angle iron supported with 04 nos. 40mmx5mm MS strip i/c erection in PCC footing of size (250mm x250mm x400mm) and painting with primar and aluminium finish paint complete as required.

Providing brick work (in width 225 mm or more) with F.P.S.bricks of class designation 7.5 in cement mortar 1:4 (1 cement : 4 coarse sand) at all levels.

Laying of one number PVC insulated and PVC sheathed / XLPE power cable of 1.1 KV grade of following size direct in ground including excavation, sand cushioning, protective covering and refilling the trench etc as required. Above 185 sq. mm and upto 400 sq. mm

Laying of one number PVC insulated and PVC sheathed / XLPE power cable of 1.1 KV grade of following size in the existing RCC/ HUME/ METAL pipe as required. Above 185 sq. mm and upto 400 sq. mm

Laying and fixing of one number PVC insulated and PVC sheathed / XLPE power cable of 1.1 KV grade of following size on wall surface as required. Above 185 sq. mm and upto 400 sq. mm

Laying of one number PVC insulated and PVC sheathed / XLPE power cable of 11 KV grade of following size direct in ground including excavation, sand cushioning, protective covering and refilling the trench etc as required. Upto 120 sq. mm

Laying of one number PVC insulated and PVC sheathed / XLPE power cable of 11 KV grade of following size in the existing RCC/ HUME/ METAL pipe as required. Upto 120 sq. mm

Supplying and making indoor cable end jointing with cast resin compound, including lugs and other jointing materials, for following size of 3 core, XLPE aluminium conductor cable of 11KV grade as required : 70 sq. mm

Supplying and making outdoor cable end jointing with cast resin compound, including lugs and other jointing materials, for following size of 3 core, XLPE aluminium conductor cable of 11 KV grade as reqd. 70 sq. mm

Providing & fixing H.T. Danger Notice Plate of 250 mm x 200 mm made of mild steel atleast 2 mm. thick and vitreous enamelled, white on both sides and with inscription in signal red colour on front side as required.

Providing & fixing L.T. Danger Notice Plate of 200 mm x 150 mm made of mild steel atleast 2 mm. thick and vitreous enamelled, white on both sides and with inscription in signal red colour on front side as required.

Supplying and fixing of shock treatment / restoration charts in Hindi and English duly framed end covered with 2.8 mm glass as required.

Supplying and fixing first aid box of 18 SWG MS sheet prescribed by Indian Red Cross Society and as approved by St. John Ambulance Brigade /Indian Red Cross society conforming to IS : 2217 - 1963

Supplying of caution Boards of 16 S.W.G. , M.S. sheet of 300 mm x 150mm size, duly painted & having "MAN ON LINE' & "DO NOT SWITCH ON' written in Red complete with hanging arrangement as required.

Providing of set of 4 Nos. 9.5 Litre capacity GI bucket painted in post office red colour with prior coat of red oxide paint and written with white paint ‘FIRE’ and mounted on MS angle iron frame with bracket of appropriate size & capacity I/c filling sand etc. as reqd.

One Tool kit comprising 1 set of flat spanner (Taparia / Jalan), 1 set of box spanner, 1 no. Hacksaw frame with 10 no. blades, 1 no. large, medium, small screw drivers, 1 no. insulated plier, 1 no. nose plier, 1 no. hand crimping tool upto 16 sq.mm, 1 no. digital multimeter, 1 no. test lamp and 1 no. tester, Screw driver set for all types of screw heads also to be provided.

Providing the Rubber gloves of 1.1KV grade as per IS 4770-68.

Supplying & erecting Carbon Dioxide (CO2) fire extinguisher of 4.5 kg. Capacity Cartridge type conf. To IS 2878 Complete erected with necessary clamp made front 50x6 mm. M. S. flat with nut & bolts grouted in wall complete.

Providing and fixing insulating sleeve and in 80 mm dia B class G. I . pipe (including the cost of pipe) etc as required.

Supplying and fixing anticlimbing device made of GI barbed wire confirming to IS 278-1960 having 4 points barbs 12.5 kg/100mm size wrapped helically with a pitch of 75 mm on the existing pole for height 1.5 meter commencing from 3.5m from ground with suitable clamps at the end as required.

Supplying and laying 12mm thick checkered rubber matting for LT as required.

NEERAJ KUMAR JAIN