Provn of solar water heater system in OTM bldg Inf Bde AOR under GE Gurdaspur.

Amount

Supply, installation, commissioning and testing at roof top of building (Double storeyed) "Solar hot water (Heat exchanger type) system" (flat plate collectors) ISI marked based on indirect transfer of heat of capacity 400 Ltrs per day (at Temp 60°C to 80°C) confirming to IS 12933-2003 Part-I having insulation of rock wool/mineral wool 50mm thickness bottom and 25mm thickness on top with toughened tempered glass of 4mm thick and cladding with aluminium sheet 26 SWG complete with copper riser tubes, copper heater tubes, copper sheet and absorber with 40mmx40mmx6mm enameled coated MS angle iron structure with accessories fasteners etc duly grouted in PCC 1:2:4 type B-1 (30cmx30cmx30cm block) including hot water storage tank of capacity 400 litres with inner shell fabricated from stainless steel 1mm thick in cylinderical shape and outer cover fabricated from aluminium sheet 1mm thick (having insulation of rock wool) mineral wool 100mm thick & cladding with aluminium 26SWG with necessary electric back up of capacity as per manufacturer's recommendation with heat exchanger in hot water tank with necessary make up tank of stainless steel, necessary piping between collectors and hot water tank, PVC cold water tank fixed over hot water tank on MS angle iron 50mmx50mmx6mm including nuts, bolts, grouted in PCC 1:2:4 type B-1 blocks (30cmx30cmx30cm) & two coats of synthetic enamel painting over a coat of red oxide primer with temperature gauge (100°C) complete all as specified and as directed. Notes : (i) Cold water PVC tank, cold and hot water piping shall be measured and paid for separately. (ii) MS Angle structure shall be prepared as per manufacturer's instructions.

Supply and laying galvanised GI pipes medium grade 25mm bore ISI marked with necessary fittings such as tees, elbows, bends, reducers, unions etc fixed to walls, ceiling and laid in floors, roof etc.

Supply and laying galvanised GI pipes medium grade 25mm bore ISI marked with necessary fittings such as tees, elbows, bends, reducers, unions etc laid in trenches etc.

Supply and laying galvanised GI pipes medium grade 20 mm dia ISI marked with necessary fittings such as tees, elbows, bends, reducers, unions etc fixed to walls, ceiling and laid in floors, roof etc.

Supply and laying galvanised GI pipes medium grade 15 mm dia ISI marked with necessary fittings such as tees, elbows, bends, reducers, unions etc. fixed to walls, ceiling and laid in floors, roof etc.

Supply and fixing hot water bib cock brass chromium plated fancy type with crutch or butterfly handle screwed down suitable for 15mm bore pipe, ISI marked all as directed.

M&L for sub main wiring with two runs of single core multi stranded PVC insulated, copper conductor, grade 1100 Volt , FRLS cable of size 4 sqmm including 4 sqmm multistranded copper conductor FRLS cable PVC insulated for earthing duly connected with earth dolly, with approved colour coding including PVC rigid conduit 25mm dia. heavy grade, of appropriate dia. concealed in wall with accessories including cutting chases and making good to the disturbed surfaces as per existing complete all as specified and directed. Note :- (a) Three run of cable alongwith PVC conduit together shall be measured as single run.

Supply, laying and testing for LT XLPE cable insulated screened PVC bedded galvanised steel strip or wire armoured, heavy duty electric power cables with stranded aluminium conductor 1100 volts grade laid in trenches, fixed on wall/ pole including brass cable glands, lugs, clamps etc., of size 16 Sqmm 4 core cable complete all as specified and as directed. Note: Excavation and earth work, sand cushioning, brick protection, GI pipe shall be measured and paid separately.

Cutting existing steel tubing 40 or 50mm dia for alterations or additions including insertion of T, socket, bend and threading for complete the job in all respect.

Supply and fix gun-metal, globe or gate valves, with iron wheel head, screwed both ends ISI marked suitable for 25 mm bore iron pipe.

Supply and fix gun-metal, globe or gate valves, with iron wheel head, screwed both ends ISI marked suitable for 20 mm bore iron pipe.

S&F sheet metal enclosure DB SPN 4 way including bus bar 240 volts, double door shutter with magnetic locking system

S&F MCB 32 Amp SPN 240 Volts (in coming)

S&F MCB 20 Amp SP 240 Volts (Out going)

S&F Cross arms, bracings, 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 one primer coat red oxide, one under coat and one finishing coat of synthetic enamel paint .

S&F 15mm bore GI medium grade hot water pipe duly insulated with glass wool and aluminium cladding .

S&F 20mm bore GI medium grade hot water pipe duly insulated with glass wool and aluminium cladding .

Excavation in trenches in soft/ loose soil including n.exc 1.5m wide and n.exc. 1.5m in depth for poles, stay, cable, pipe etc. and getting out all as specified.

Returning filling including spreading and well ramming in layers each n.exc 25 cm thick in soft/ loose soil all as specified.

Removal of excavated material (soil) to distance not exc.50metres and deposited where directed at a level not exc.1.5 metre above the starting point

M&L Sand cushioning trenches using fine sand to under ground cable, laid in two layers before laying the cable & after laying the cable complete all as specified.

Supply and lay brick common burnt sub class ‘B’ old size for protection of cable laid in trenches for under ground cable all as specified.

Supply and fix for 500 litres capacity, rotational moulded polythelene water storage tanks (ISI marked) (three layer, cylindrical vertical with closed top), hoisted and fixed in postion including 20mm bore ball brass valve, high pressure, with polythene float and flynut and connected fittings screwed for iron pipe complete all as specified and as directed.