ProvISIOn Of Otm Accn For Rocket Regt ( Smerch ) At Nsd , supply , installation testing & commisioning of solar water heater of capacity 500 lpd with selectively coated a size solar flate plate collectors made of aluminium body with tougheneed glass insulated hot water storage tank , air vent & drainage inter connections circulation piping in beetween the system , collectors & hot water tank stand control valve temp guage etc . including pp-r pipe sdr 7 . 4 and sdr 11 uv stablized anti microbile of 20 mm and 25 mm of dia with all fitting and grouting in pcc 1:3:6 in suitable size for installation of solar water heater with the following specification , make :bhel , tata-bp solar system , best and crompton ( chennai ) novel energy pvt ltd new delhi isi marks ( is : 12933 ( part - i ) -1992 with amendment no 1 & 2 ) solar flat collector having outer nominal dimention of 1860 mm x 1240 mm x 110 mm material aluminium cast type channel and angle , back covering 22 swg aluminum sheet , upper covering not less than 4mm thick tempered /toughened glass absorber-selectivity coated copper fin and tubes , nominal fin size 0 . 2 mm thick x 1716 mm lenght tube size 24 swg x 12 . 70 mm odx 1721 length , insulation 50 mm thick mineral wool of 48 kg/cum density reflector , 48 guage aluminium foil . gasket epdm/spdm/neoprene , flange 62 mm odx 3mm thick brace flance heater pipe 22 swg x 25 . 4 mm ods x 1320 length with following specification - 01 nos , cover plate shall be thoughened glass confirming to is 12933 ( part-1 ) -1992 with ammendment no-1 and 2 collector box shall be made of aluminum sheet type grade size and finish of material used shall be as per is 12933 ( part-i ) - 1992 with ammendment no-1 and 2 sheet be obserber shall be made of copper , type , grade size and finish of material used shall be as per is 12933 ( part-i ) - 1992 with ammendment no-1 and 2 obserber shall be made of copper , type , grade size and finish of material used shall be as per is 12933 ( part-i ) - 1992 with ammendment no -1 and 2 collector box insulation shall confirm to type grade and size finish of material used shall be as per is-12933 ( part -ii- section v ) -1992 with ammendment no-1 and 2 gasket gourments shall confirm to is-12933 ( part-ii section vi ) - 1992 with ammendment no- 1 and 2 , insulated stainless steel hot water storage tank non pressure type made of stainless steel grade 04 cr 18 ni or 07 cr 18 ni of is 1570 ( part -3 ) -1985 , tig tank welded of 200 ltrs capacity non magnetic tank with stainless steel fitting with following specification - 01 no shall be insulated with 40 mm thermal grade pu insulation frp cladding , tank stand assembly shall be made of angle of size38x38x4 mm duly pretreated and stove enammeled with black colour paint . , provision of electric back up minimum 2 kw heating element including providing all necessary items like 1x 16 amp mcb sp 10 ka rupturing capacity fixed in elclosure and sub- main wiring in and including concealed conduit with 4sqmm single core stranded copper conductor pvc insulated wire from outlet of mcb to electric back up with connected acessories - 01 job . the solar water heater system shall be provided on roof of single/double storey building , the electric back up connection shall be tapped from sub main board provided at ground floor heat exchanger shall be cage type and make of stainless steel tube of grade for cr 18 ni of is 1570 ( part -v ) 1885 all other pipe/civil work , steel staging work with min 50x50x6 mm angle iron frame and 6mm thick ms sheet base for pvc tank including rotational moulded pvc water storage tank of 300 ltr capacity each including guarding against wind pressure , electrical work outlet and inlet themometer , air release valve , check valve gate valve control and instrument etc of as required shall be deemed to be including in unit rate quoted . system internal piping shall be isi marked pp-r pipe sdr 7 . 4 & sdr 11 uv stablized and antimicrobial duly insulated with 50 mm thick of rockwool of 48 kg/cum density and 26 swg aluminium cladding . , note :- ( i ) the system shall be tested on completion to ensure that 500/300 ( as specified ) liters of water at 60 degree centigrade is available in hot water tank in a normal . normal water pipes and accessories form the normal water over head tank to inlet of plate collector shall be deemed to included in the cost . similarly hot water pipes from hot water storage tank to bathroom / kithchen shall be deemed to be included in the cost . supply , installation testing & commisioning of solar water heater of capacity 300lpd with selectively coated a size solar flate plate collectors made of aluminium body with tougheneed glass insulated hot water storage tank , air vent & drainage inter connections circulation piping in beetween the system , collectors & hot water tank stand control valve temp guage etc . including pp-r pipe sdr 7 . 4 and sdr 11 uv stablized anti microbile of 20 mm and 25 mm of dia with all fitting and grouting in pcc 1:3:6 in suitable size for installation of solar water heater with the following specification , make : bhel , tata-bp solar system , best and crompton ( chennai ) novel energy pvt ltd new delhi , isi marks ( is : 12933 ( part - i ) -1992 with amendment no 1 & 2 ) solar flat collector having outer nominal dimention of 1860 mm x 1240 mm x 110 mm material aluminium cast type channel and angle , back covering 22 swg aluminum sheet , upper covering not less than 4mm thick tempered /toughened glass absorber-selectivity coated copper fin and tubes , nominal fin size 0 . 2 mm thick x 1716 mm lenght tube size 24 swg x 12 . 70 mm odx 1721 length , insulation 50 mm thick mineral wool of 48 kg/cum density reflector , 48 guage aluminium foil . gasket epdm/spdm/neoprene , flange 62 mm odx 3mm thick brace flance heater pipe 22 swg x 25 . 4 mm ods x 1320 length with following specification - 01 nos , cover plate shall be thoughened glass confirming to is 12933 ( part-1 ) -1992 with ammendment no-1 and 2 collector box shall be made of aluminum sheet type grade size and finish of material used shall be as per is 12933 ( part-i ) - 1992 with ammendment no-1 and 2 sheet be obserber shall be made of copper , type , grade size and finish of material used shall be as per is 12933 ( part-i ) - 1992 with ammendment no-1 and 2 obserber shall be made of copper , type , grade size and finish of material used shall be as per is 12933 ( part-i ) - 1992 with ammendment no -1 and 2 collector box insulation shall confirm to type grade and size finish of material used shall be as per is-12933 ( part -ii- section v ) -1992 with ammendment no-1 and 2 gasket gourments shall confirm to is-12933 ( part-ii section vi ) - 1992 with ammendment no- 1 and 2 insulated stainless steel hot water storage tank non pressure type made of stainless steel grade 04 cr 18 ni or 07 cr 18 ni of is 1570 ( part -3 ) -1985 , tig tank welded of 200 ltrs capacity non magnetic tank with stainless steel fitting with following specification - 01 no shall be insulated with 40 mm thermal grade pu insulation frp cladding , tank stand assembly shall be made of angle of size38x38x4 mm duly pretreated and stove enammeled with black colour paint . , provision of electric back up minimum 2 kw heating element including providing all necessary items like 1x 16 amp mcb sp 10 ka rupturing capacity fixed in elclosure and sub- main wiring in and including concealed conduit with 4sqmm single core stranded copper conductor pvc insulated wire from outlet of mcb to electric back up with connected acessories - 01 job . the solar water heater system shall be provided on roof of single/double storey building , the electric back up connection shall be tapped from sub main board provided at ground floor heat exchanger shall be cage type and make of stainless steel
