Provn of 15 x Exhaust fans for cook house / dining hall of Duty Coy and Battalion Ration Store (Bldg No P-256) at 39 GTC and provn of standby three phase electric connection to Signal exchange from PH No 04 at Varanasi Cantt

Amount

Excavation 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, laying of cables etc 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 directed.

Returning, filling in excavated approved soil, including spreading, levelling, watering and well ramming in layers not exceeding 25 cm each complete all as specified and directed.

Removing of surplus excavated soil to a distance not exceeding 50 mtr and deposited where directed at a level not exceeding 1.5 m above the starting point in soil.

M&L sand cushioning with dry local sand for cable protecting underground cable (8 cm before laying the cable and 15 cm after laying the cable) in trenches including punning the sand upto 18 cm thick and consolidated complete all as specified and directed. Note : Punned thickness only shall be measured.

Supply and laying dry well burnt locally available brick sub class ‘B’ modular bricks laid flat with width equal to the length of whole bricks over cable as cable protection complete all as specified and directed.

Supply and lay cable XLPE insulated, armoured, heavy duty electric cable with aluminium conductor, 1100 volts grade, cross-sectional area 70 Sqmm 305 core.

M&L for laying in trenches / fixing on wall GI pipe 50mm dia medium grade for protection of UG cable.

M&L for making horizontal through bore hole by trenchless technology under road/PCC/hard standing for passing of LT cable upto the depth not less than 1 mtr all as specified and directed at site.

S&F in repair lead acid battery 12V, 100AH complete with terminal lead of required size.

M&L for change over switch 100A, three phase 415V operating manually with front operated rotary handle mounted in and including sheet metal enclosure all as specified and directed.

M&L for point wiring complete with PVC insulated unsheathed, 1100 volts grade cable 1.5 Sqmm (nominal area) FR type multi stranded copper conductor, single core drawn in and including not less than 20 mm dia rigid PVC conduit ‘medium grade’ ISI marked including all conduit accessories for concealed wiring for one light/fan/bell point controlled by one, one way switch, including concealed pressed steel terminal box of required size not less than 1.6 mm thick factory made duly painted inside & outside with two coats of black bituminous paint over & including a coat of red oxide primer, with 2.8 mm thick top cover of plastic laminated sheet of required colour for mounting switch, sockets, fan regulator etc including 1.5 Sqmm FR type PVC insulated unsheathed cable multi-stranded copper conductor as continuous earth wire and connected to earth dolly as required at site & including chases cutting & making good disturbed surface & applying finishes to match existing surface complete all as specified and directed for light / fan / socket point

S&F switch piano flush button single pole oneway 6 Amps, 240 volts all as directed by Engineer-in-Charge.

S&F ceiling rose surface Bakelite type 65 x 25 mm three terminals 240 volts.

M&L MCB, SP, 6 to 32 Amps single pole 230 volts, 10 KA complete of make as specified and approved.

S&F Heavy duty single phase exhaust fan, 450 mm sweep, 1400 rpm copper wound with all accessories including louver shutters all as directed of Make – Havells model Turbo Power single phase.

M&L for wiring for circuit/sub main wiring with 2 x 2.5 sqmm + 1 x 1.5 sqmm earth wire with PVC insulated FRLS copper conductor single core in and including 20 mm dia PVC rigid non metallic concealed / recessed conduit at required or directed by Engineer-in-Charge.

M&L for cutting hole in brick / stone masonry wall suitable for mounting 450 mm sweep exhaust fan and rendering 10mm thick plaster using cement mortar 1:6 and finishing the hole complete including distempering the disturbed surface and matching with existing colour all as specified and directed by Engineer-in-Charge.

CROWN ENGINEERING CORPORATION

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HARSH ASSOCIETES