CWE/K-T09/2019-20 PROVISION OF 100 KVA TRANSFORMER AND ALLIED INFRA FOR NFS NODE AT NIMU UNDER AGE(I) NIMU

Amount

Supply, installation, testing and commissioning of 100 KVA, step down, 11/0.433 KV (at no load) transformer, 3 phase, 4 wire, AC, 50 Hz, copper wound, outdoor type, oil immersed naturally cooled, delta connected on primary side (HV side) & star connected on secondary side (LV side) in accordance with vector group Dyn-11 with neutral brought out on secondary side and with tapping at + 2.5%, +5%, +7.5% "OFF LOAD" tap changer including gear, initial oil fill to appropriate level & all standard fittings & accessories and fitments confirming to IS-1180 & IS-2026 (revised upto date) with & including required civil works of 1:2:4 PCC platform of size 2 mtr x 2mtr & 2 mtr high (1.5 m above GL & 0.5m below ground level) and 2 No channel MC-100 2.00m long each, built in cement mortor 1:4 with 150 mm PCC 1:2:4 at top, plaster 15 mm in CM 1:4, complete all as specified and directed by Engineer-in-charge.

Note for item No. 1.00 here-in-before:- (a) Transformer shall be installed on PCC foundation of required height as directed, oil immersed naturally/self cooled, double wound, copper winding cool type MS radiator cooled tank complete with first fill of transformer oil of dielectric strength not less than 30 KV as per IS-335 with following accessories:- (i) Rating and diagram plate. (ii) Lifting Lug/ Eye Bolts or Eye hooks. (iii) Air release vent with diaphram. (iv) Conservator tank with oil level indicator. (v) Mild steel wheel with oil indication. (vi) Silica gel breather assembly with first filling of silica gel (vii) Oil temperature gauge and washout plug. (b) After installation and before commissioning of Transformer the testing shall be conducted by Electrical Inspector of HQ CE Leh Zone. (c) The cost of testing deemed to be included in quoted rate.

M & L cross arms, bracing, 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 two coat of synthetic enamel paint over a coat of redoxide primer complete all as specified and directed by Engineer-in-charge.

Excavation in over areas not exceeding 1.5 mtr depth & getting out in hard/dense soil, complete all as specified and directed by Engineer-in-Charge. .

Returning, filling in including spreding, levelling, watering and well ramming in layers not exc 25 cm thick each layer in any type of soil complete all as specified and directed by Engineer-in-Charge.

Removal of excavated soil to a distance not exceeding 50 mtr and depositing where directed at a level not exc 1.5 mtr above the starting point, complete all as specified and directed by Engineer-in-Charge.

Supply & laying factory made, ISI marked, unreinforced precast concrete cable cover of PCC 1:1.5:3 type A-1, class LV, type 1, flat, size 250mm X150mm X 40mm laid dry over electric cable for protection complete all as specified and directed by Engineer-in-Charge.

Supply & laying factory made, ISI marked, unreinforced precast concrete cable cover of PCC 1:1.5:3 type A-1, class HV, type 1, flat, size 300mm X180mm X 40mm laid dry over electric cable for protection complete all as specified and directed by Engineer-in-Charge.

M&L Sand cushioning to underground cable with dry & fine sand locally available 8cm thick before laying and 15cm thick after laying, stretching and testing the cable as specified in clause 19.75 of SSR Part-1 complete all as specified and directed by Engineer-in-Charge.

M&L for XLPE insulated, screened, PVC bedded, galvanized steel strip or wire armoured, electric power HT cable (heavy duty), with aluminium conductor, 11000 volts (earthed) grade, corss sectional area 95 sqmm, 3 core, laid in trenches, ducts, drown through GI pipes, across the road / path / drain / along poles / wall / floors / equiptment etc. including jointing testingcomplete all as specified and directed by Engineer-in-Charge.

M & L for Cable jointing kit for 11 KV (Earthed) grade cable for outdoor termination cold 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 by Engr-in-charge.

M&L for XLPE insulated, screened, PVC bedded, galvanized steel strip or wire armoured, heavy duty, electric power LT cable with aluminium conductor, 1100 volts grade, corss sectional area 50 sqmm, 3.5 core, laid in trenches, ducts, drown through GI pipes, across the road / path / drain / along poles / wall / floors / equiptment etc. including jointing testing complete all as specified and directed by Engineer-in-Charge.

S & F ON LOAD change over switch 415 volt in sheet metal enclosure 4 pole, 320 Amps complete all as specified and directed by Engr-in-charge.

M&L Earthing complete with galvanized steel earth plate electrode 60cmx60cmx6mm thick buried directly in ground (Earth pit not less than 2.25 Mtr deep below normal ground level) with top edge of the plate not less than 1.5 Mtr below normal ground level, connecting with GI earth strip 32x6 mm as earth lead by means of bolt, nut, check nuts and washers of galvanized iron and provision of GI tubing light grade (ISI marked) of 40 mm bore for protection of earth strip including PCC 1:2:4 type B1 (using 20mm graded crushed stone aggregate) as in pit chamber and RCC pit cover 25mm thick precast RCC 1:2:4 type B1, duly reinforced with MS round bars 6mm dia @ 100 mm c/c borh ways with 10mm dia MS round bar as in lifting handles, GI light grade 20mm bore pipe for watering perforated at bottom 1.75 metre long placed on top edge of earth plate, charcoal and common salt filling, test point made out of Bronze/Gun metal size 75X75X25mm with fixing arrangment , funnel, wiremesh and earth work in soft/loose soil, returning filling in and removal of surplus soil to a distance not exceeding 50 Metres , all as per electrical plate No-3 of SSR 2009 Pt -I to earth test point all as specified or indicated including testing on completion, Complete all as specified and directed by Engr-in-charge. Note: On testing after completion of earthing, if desired earth resistance is not obtained, the earthing will be re-done by the contractor at his own risk & cost to the entire satisfaction of Engineer-in-charge without any extra cost to departement.

M&L Earthing complete with galvanized steel earth plate electrode 60cmx60cmx6mm thick buried directly in ground (Earth pit not less than 2.25 Mtr deep below normal ground level) with top edge of the plate not less than 1.5 Mtr below normal ground level, connected to galvanised earth lead wire 4.0mm as earth lead by means of bolt, nut, check nuts and washers of galvanized iron and provision of GI tubing light grade (ISI marked) of 40 mm bore for protection of earth strip including PCC 1:2:4 type B1 (using 20mm graded crushed stone aggregate) as in pit chamber and RCC pit cover 25mm thick precast RCC 1:2:4 type B1, duly reinforced with MS round bars 6mm dia @ 100 mm c/c borh ways with 10mm dia MS round bar as in lifting handles, GI light grade 20mm bore pipe for watering perforated at bottom 1.75 metre long placed on top edge of earth plate, charcoal and common salt filling, test point made out of Bronze/Gun metal size 75X75X25mm with fixing arrangment , funnel, wiremesh and earth work in soft/loose soil, returning filling in and removal of surplus soil to a distance not exceeding 50 Metres , all as per electrical plate No-3 of SSR 2009 Pt -I to earth test point all as specified or indicated including testing on completion, Complete all as specified and directed by Engr-in-charge. Note: On testing after completion of earthing, if desired earth resistance is not obtained, the earthing will be re-done by the contractor at his own risk & cost to the entire satisfaction of Engineer-in-charge without any extra cost to departement.

M & L GI steel tubing 80mm dia, light grade, with all fitting and fixed, laid in trenches or crossing roads/ path/ culvert/ along poles/ wall complete all as specified and directed by Engineer-in-charge.

M & L Danger notice plate of size 25cm X 20cm, 1.6mm thick mild steel sheet, vitreous enamelled white, with letters, figures and conventional skull and bones in signal red colour and fixed with M.S. clamps, bolts and nuts of approved size, for HT installation 11 KV, complete all as specified and directed by Engineer-in-charge.

S&F Pin type Porcelain vitreous white, brown or green insulator including one galvanised MS spindle, two galvanised iron washers and one galvanised iron nuts 150mm height, 150 mm dia sutable for 11000 Volts grade working pressure all as specified.

M&L straining and stretching of overhead almunium conductor steel reinforced ACSR of any size as required on HT/LT poles including binding and jointing the conductor with 14 SWG binding wire and jumper connections with PG clamps, complete all as specified and directed by Engr-in-charge.

M&L for HT, Switch air break, gang operated, triple pole with drop out fuses and 12 insulators for outdoors, mechanically operated mounted on insulator and MS channels frame, with operating mechanism 25 mm dia G.I medium grade pipe worked from ground level with locking arrangement for current rating 200 Amps, 11 KV including electrical connection complete all as specified and directed by Engr-in-charge.

Supply and fixing HT lightening arrestor, Non-linear expulsive type, copper terminal clamp with all fittings suitable for rated system voltage of 11000 volts grade comfirming to IS-3070, part-I, transmission class, with discharge capacity 65 KA all as per IEC 99.4 including stranded coloured sleeved jumper connection complete all as specified and directed by Engr-in-Charge.

Supply & Erection in vertical position steel tubular swaged pole type 410 SP-55 (11 mtr long) with 300 mmX300mmX6mm mild steel base plate continously welded to pole, finial taper plug, bolts and screws, including factory painted with two coats of Black bituminious paint internally throught the length and externally for embeded portion only including numbering and applying synthetic enamel paint two coats above embeded portion, making alternate white & black strips each 30 cm wide upto 10.5 m above from coping, remaining exposed length of pole painted by aluminium paint over a coat of redoxide primer after erection of pole complete all as specified and directed by Engineer-in-charge. Note: Excavation /Earthwork & PCC work will be measured & paid seperately.

M&L Stay assembly complete with GI Stay Rod 20mm dia, complete with accessories as shown in electrical plate No. 1 of SSR Part-1 (loop type insulator, stay clamps, excavation and concrete measured separately) complete all as specified and directed by Engr-in-Charge.

M & L Plain Cement concrete 1:3:6 type C-2 (using 40mm graded mechanically crushed stone aggregates) as in foundation of poles, etc complete all as specified and directed by Engineer-in-Charge.

M & L Plain Cement concrete 1:4:8 type D-2 (using 40mm graded mechanically crushed stone aggregates) as in coping of poles, etc complete all as specified and directed by Engineer-in-Charge.

Supply & Erection of set of two steel tubular swaged pole type 410 SP-55 (11 mtr long) & consisting of anti-climbing device, with 300 mmX300mmX6mm mild steel base plate continously welded to pole, finial taper plug, bolts and screws, including painted with synthetic enamel paint over a coat of redoxide primer after erection of pole complete all as specified and directed by Engineer-in-charge. Note: Excavation /Earthwork & PCC work will be measured & paid seperately.

HIMALAYAN RENEWABLE ENERGY AND CONSTRUCTION FIRM

darshan kumar gandhi

osho traders

M/S Vishwa Mittar Pachyala