PROVISION OF 100 KVA TRANSFORMER WITH ALLIED SERVICES AT NFS NODE AT DINJAN MIL STN UNDER GE DINJAN

Amount

Excavating in trenches not exceeding 1.5 m wide and not exceeding 1.5 m in depth; for foundation, etc. or for shafts, wells, cesspits, manholes, pier holes, etc. or for cable laying or water supply pipes lines etc or not exceeding 10 sqm on plan and not exceeding 1.5 m in depth and getting out in soft/ loose soil complete all as specified and as directed.

Returning, filling in, including spreading, levelling, watering and well ramming in layers not exceeding 25 cm in soft/ loose/ hard/ dense soil complete all as specified and as directed.

Removing excavated material (soils) not exceeding 50 m and depositing where directed at a level n exc. 1.5 m above the starting point

Supply & spreading in trenches dry river sand cushioning to underground cable in trenches including spreading, levelling hand punning down complete all as specified and directed Note:- Depth of sand cushioning will be measured after punning down and levelling the sand properly.

Supply, laying and testing cross linked polyethylene (XLPE) insulated, PVC sheathed cables for working voltages 11 kV, three phase, earthed system, 3 core, screened, armoured power cable, 95 sqmm of nominal area of conductor, aluminium conductor, ISI marked as per IS 7098 (Part-II): 2011 laid in trenches or under floors making all connections with necessary glands lugs bushing complete all as specified and as directed.

Supply, laying, jointing, testing and commissioning cross-linked polyethylene (XLPE) insulated cable for working voltages of 1100 V, PVC sheathed, armoured, 3 core with reduced neutral conductors (3½ core), nominal cross sectional area of main conductor 70 sqmm, stranded aluminium conductor, ISI marked as per IS 7098(Part-I): 1988 including cable glands, lugs etc. to suit the cable size and to be laid in trenches, fixed along pole, under floors, through GI pipe laid under floors/roads, through concealed GI pipe along wall etc. complete all as specified and as directed.

Supply & laying unreinforced precast concrete cable cover class HV type 1, flat shape, dimension 300 mm X 180 mm X 40 mm as per IS 5820: 1970 complete all as specified and directed.

Supply & laying unreinforced precast concrete cable cover class LV type 1, flat shape, dimension 250 mm X 150 mm X 40 mm as per IS 5820: 1970 complete all as specified and directed.

S & F XLPE cable end termination, heat shrinkable, outdoor type complete with jointing material and accessories suitable for voltage 6.35 kV/ 11 kV (Earthed), 3 core, 70 sqmm to 95 sqmm complete all as specified and as directed.

M & L in replacement for precast PCC cable route indicator duly marked and painted for HT/LT cables of size 80x25x7.5 cm with suitable size of base, embossed with lettering "MES HT/LT Cable", complete all as specified and as directed.

Supplying & fixing to walls and ceilings or laid in floors 100 mm nominal bore, light grade, galvanised coated steel tube conforming to IS 1239 (Part-1): 2004 including all fittings conforming to IS 1239 (Part-2): 2011 complete all as specified and as directed.

S & F gang operated air break switch, three poles, outdoor type, nominal system voltage 11 kV, rated voltage 12 kV, rated normal current 200 Amps, rated frequency 50 Hz, rated one minute power frequency withstand voltage between (i) earth & poles 28 kV (rms) (ii) across the isolating distance 32 kV (rms), rated lightning impulse withstand voltage (i) to earth and between poles 75 kV (Peak) (ii) across the isolating distance 85 kV (Peak), Rated short-time withstand current 25 kA for 3 seconds, rated peak withstand current 63 kA for climatic conditions at the site, mechanically operated mounted on insulator and steel frame with operating mechanism worked from ground level for current complete all as specified and as directed.

S & F in repairs horn gap fuse 11kv triple pole, horizontal type for outdoor use including all accessories complete all as specified and directed.

Supply and erection of three piece metal oxide lightning arrestor suitable for 11 kV continuous operating voltage (3 phase) with rated voltage 12 kV (rms) and working rated arrestor voltage 9 KVwith nominal discharge current rating of 65 kA and complete with galvanised clamping arrangements, GI bolts, nuts, washers etc. complete as specified and as directed.

M & L for earthing complete with galvanised steel plate earth electrode 600 mm X 600 mm X 6 mm thick, buried directly in ground (earth pit not less than 2.25 metres deep below ground level) with top edge of the plate not less than 1.5 metres below normal ground level, connected to earthing lead of 32 mm X 6 mm galvanised mild steel strip by means of bolts, nuts, check nuts and washers of galvanised iron from earth plate to test point upto 7.5 metre including all as shown in electrical plate No. 3 of SSR Part I (2009) including necessary concrete chamber in cement concrete M15 (Nominal Mix) using 20 mm nominal size coarse aggregate, precast RCC cover slab in cement concrete M15 (Nominal mix) using 20 mm nominal size coarse aggregate of size 40 cm X 40 cm X 5 cm reinforced with 8 mm dia TMT bars @ 150 mm c/c with one handle for lifting made out of 8 mm dia bar, GI funnel, GI wire mesh filter, 20 mm dia GI pipe medium grade for watering, 40 mm dia GI pipe medium grade for protection of earthing lead, charcoal or coke and salt in alternate layers including necessary excavation and earth work in any type of soil/ strata and testing complete all as specified and as directed by the Engineer-in-charge.

M & L for steel tubular swaged pole 410 SP-55 (11.0 metre long) including CI base plate, finial taper plug, bolts, nuts & screws as per IS 2713 Part -I & II including painting with two coats of aluminium paint over a coat of red oxide zinc chrome primer on exposed portion and making strips of width 30 cm upto 1.5 m from the ground level in black and yellow shade in alternate layer including numbering of poles using two coats of synthetic enamel paint over a coat of red oxide zinc chrome primer and two coats of anticorrosive paint over a coat of red oxide primer to embedded portion of pole including making good to match existing area complete all as specified and as directed.

M & L for cross arms, bracings, supports, clamps, back plates and stay clamp 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 applying two coats of aluminium paint over a coat of red oxide primer complete all as specified and as directed.

S & F disc type insulator, porcelain, vitreous 145 mm high and 255 mm dia ball and socket type, white, brown or green, two-in-series assembly for tension with tension clamps for conductors, working pressure 11000 volts complete all as specified and as directed.

S & F disc type insulator, porcelain, vitreous 145 mm high and 255 mm dia ball and socket type, white, brown or green, single disc assembly for tension with tension clamps for conductors, working pressure 11000 volts complete all as specified and as directed.

S & F pin type, porcelain, vitreous, white, brown or green insulator including one galvanised mild steel spindle, two galvanised iron washers and one galvanised iron nut, 150 mm height, 150 mm dia for 11000 volts grade complete all as specified and as directed.

Supply, fixing and stringing ACSR (aluminium conductor galvanized steel-reinforced) of any size and type in accordance with site requirement and binding on insulator by means of 22 gauge aluminium binding wire to permissible sag complete all as specified and as directed.

M & L for cement concrete in foundation, filling and mass concrete in M7.5(Nominal Mix) using 40 mm nominal size graded crushed stone aggregate complete all as specified and as directed.

M & L for cement concrete in foundation, filling and mass concrete in M10(Nominal Mix) using 20 mm nominal size graded crushed stone aggregate complete all as specified and as directed.

M & L for cement concrete M10 (Nominal Mix) using 20 mm nominal size graded crushed stone aggregate in lintels upto 1.5 m clear span, cills, steps; seismic and other similar bands, plinth courses, string courses, lacing courses, parapets and railings upto 60 cm in height, copings, kneelers, apex stones, bed plates, kerbs, water troughs, slab staging for water tanks, filling of pressed steel door frame, fixing of hold fasts and the like including weathering, slightly rounded or chamfered angles and throating including necessary formworks complete all as specified and directed by Engineer- in-charge.

Supplying, installing, connecting, testing & commissioning of distribution transformer outdoor type of capacity 100 kVA as per IS 1180-(Part-I): 2014 or latest, oil immersed type, step down, double wound (copper), ONAN type cooling, connection symbol Dyn11, HT winding with delta connected, LT winding with star connected with neutral brought out, HT (11 KV, 3 Phase, 50 Hz), LT (433 Volts 3 Phase 4 wire), covered under metal enclosure bottom openable with off load tapings on HT side to vary secondary voltage to ± 2.5% /± 5% /±7.5% within limit all as per IS-2026 complete with all fittings incld drain out gate valve of suitable size, accessories and including foundation mounted on and including platform of size 3x3x3m high (outer dimentions) built with 150mm thk PCC 1:5:10, E2 foundation extending 150 mm on both side of wall, wall 380 mm thk of RR stone masonry brought up to courses built in CM 1:6 450mm below GL and 945mm above GL duly pointed with raised pointing in CM 1:3 on exposed faces and flush pointing in same mortar as the work proceeds on faces in contact with soil, floor of 55 mm thk PCC 1:2:4 type B-1 laid in bays over 100mm thk hard core appoved earthfilling complete as specified and as directed.

ms singh construction

R D Enterprises

MONA GENERATOR SEVICES PVT. LTD.