PROVISION OF SOLAR WATER HEATING SYSTEM AT OTM ACCOMMODATION UNDER GE (CENTRAL) KHADKI

Supply, installation & testing Solar Water heating system consisting of flat plate collector type with heat Exchanger of 300 Litre per day capacity. box fabricated from aluminium extruded sections by means of gas welding or brazing leak proof fully insulated with glass wool (48Kg/M3) with supporting structure in structural steel of suitable size as per manufacturers instruction duly painted with two coats of synthetic enamel black paint over a coat of red oxide primer provided with absorber made from copper sheet & copper tubes with protective coating complete with header grommet, storage tank made from stainless steel sheet of minimum 20 SWG thickness with puff insulation of minimum 50 mm girth outer including of 55-26 SWG brass socket & nipple fully insulated with glass wool with hot water piping, gun metal valves, heating element coil capacity 3KW for 300 Litre heat exchanger. complete conforming to IS-12933 & 12976 accessories, steel/Angle iron frame work for fixing of water heating system., Hot water tank capacity 300 Litres per day capable to supply hot water at 60° C etc including fixing non return valve of suitable size on hot water pipe line complete all as specified and as directed by Engineer -in- Charge . Note :- i) Necessary cost of PCC work for fixing of solar water heating system on roof top and non return valve shall deemed to be included in unit rate quoted ii) Contractor shall ensure that no any kind of damage to water proofing tratment to roof slab is done.In case of any damage the contractor shall make good without any cost to deptt

Supply, installation & testing Solar Water heating system consisting of flat plate collector type with heat Exchanger of 200 Litre per day capacity. box fabricated from aluminium extruded sections by means of gas welding or brazing leak proof fully insulated with glass wool (48Kg/M3) with supporting structure in structural steel duly painted with two coats of synthetic enamel black paint over a coat of red oxide primer provided with absorber made from copper sheet & copper tubes with protective coating complete with header grommet, storage tank made from stainless steel sheet of minimum 20 SWG thickness with puff insulation of minimum 50 mm girth outer including of 55-26 SWG brass socket & nipple fully insulated with glass wool with hot water piping, gun metal valves, heating element coil capacity 3KW for 200 Litre heat exchanger. complete conforming to IS-12933 & 12976 accessories, steel/Angle iron frame work for fixing of water heating system., Hot water tank capacity 200 Litres per day capable to supply hot water at 60° C etc including fixing non return valve of suitable size on hot water pipe line complete all as specified and as directed by Engineer -in- Charge . Note :- i) Necessary cost of PCC work for fixing of solar water heating system on roof top and non return valve shall deemed to be included in unit rate quoted ii) Contractor shall ensure that no any kind of damage to water proofing tratment to roof slab is done.In case of any damage the contractor shall make good without any cost to deptt od without any cost to deptt

Supplying & fixing to walls and ceiling 20 mm nominal bore, medium 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 by Engineer -in- Charge .

S&F 3 layer PPR piping polypropylenes random copolymer concealed pipes SDR 7.4(PN16) UV stabilised and antimicrobial fusion welded having thermal stability for cold water supply including all PP-R plain & brass threaded polypropylene random fittings fixed complete to walls,ceilings or in floors etc. bore of pipe 16mm (work includes all fittings,welding,fitments for tapping etccomplete all as specified and as directed by Engineer -in- Charge .

M&L Gate valve cast copper alloy ,screwed down crutch with butterfly handle screwed both ends for iron pipe for unions and fixed bore of tube 20 mm complete all as specified and as directed by Engineer -in- Charge .

M&L Bib taps ,cast copper alloy with crutch or butterfly handle ,screwed down , screwed for iron/PP-R pipe fancy type 20 mm bore complete all as specified and as directed by Engineer -in- Charge .

Supply and fix 500 liters capacity triple layer, rotational moulded, polythene water storage tank (Cylindrical vertical with closed top) hoisted and fixed on roof in position, including all fitting such as connection pieces with GI tank nipple for inlet, outlet, washout and overflow etc complete all as specified and as directed by Engineer -in- Charge .

Supply and fix 300 liters capacity triple layer, rotational moulded, polythene water storage tank (Cylindrical vertical with closed top) hoisted and fixed on roof in position, including all fitting such as connection pieces with GI tank nipple for inlet, outlet, washout and overflow etc complete all as specified and as directed by Engineer -in- Charge .

S & F ball brass valves suitable for 15 mm bore iron pipe high pressure with epoxy coated aluminium rod & high-density plastic ball, screwed for iron pipe and fixed, (minimum weight 210 gms) complete all as specified and as directed by Engineer -in- Charge .

M&L for framed work for storage tank staging made out of suitable angle iron frame work including cutting, welding soldering complete including painting with two coats of synthetic enamel black paint over a coat of red oxide primer ( The design of structure shall be got approved from Engr-in-Charge before incorporation in the work) Size of storage tank are of capacity 500/300 Litres approximate size of angle iron stand shall be of suitable size and to flow the water to required pressure to solar water heater storage tank by gravity conforming to Fe-290 Gde E-165 complete all as specified and as directed by Engineer -in- Charge .