supply of op works stores:- 1.01 thermally insulated pp-fr cased piping system having inner pipe size 40mm od ( pn 16 / sdr 7.4 ) and outer seamless hdpe jacketing of size 160mm having polyurethane foam insulation of thickness upto 150mm of density 40 kg / m3 as per is 12436:1988 operating temperature range -15 degree c to + 50 degree c ( make : sfmc / finolex / supreme / kpt ) . 1.02 pre insulated ppr pipe of 32mm dia with internal layer of puf up to 160mm thickness and jacketing the pipe with 160mm dia hdpe pipe. operating temp range -20 deg to 75deg celcius ( make : sfmc / finolex / supreme / kpt ) . 1.03 ppr socket 40 mm dia. make: sfmc / finolex / kpt / supreme. 1.04 ppr socket 32 mm ( make:- sfmc / finolex / supreme / kpt ) . 1.05 ppr union 40 mm dia. ( make: sfmc / finolex / supreme / kpt ) . 1.06 ppr union 32 mm ( make:- sfmc / finolex / supreme / kpt ) . 1.07 ppr reducing socket 40-32mm ( make:- sfmc / finolex / supreme / kpt ) . 1.08 ppr gate valve 40 mm dia. make: ( sfmc / finolex / supreme / kpta ) . 1.09 gate valve 32 mm ( make:- sfmc / finolex / supreme / kpt ) . 1.1 ppr elbow 40 mm dia. ( make: sfmc / finolex / supreme / kpt ) . 1.11 ppr elbow 90° 32 mm ( make:- sfmc / finolex / supreme / kpt ) . 1.12 ppr plain t 40 mm dia. ( make: sfmc / finolex / supreme / kpt ) . 1.13 ppr plain t 32 mm ( make:- sfmc / finolex / supreme ) . 1.14 ppr tank nipple 40 mm ( make:- sfmc / finolex / supreme / kpt ) . 1.15 tank connector 32 mm ( make:- sfmc / finolex / supreme ) . 1.16 brass non returning valve 1. ( make : zoloto / kirloskar / leader / kpt ) . 1.17 pumping pump set model wh 1540 of 1800lph capacity with the min head of 150mtr. ceramic piston, aluminium zinc ally crank case, forged brass manifold. durable packing design high pressure pump include professional grade tri plunger pump comes standard with a brass manifold and ceramic piston sleeves to ensure long life and consistent pressure. pressure 1500 psi with water output of 100 ltr / min ( max ) as per site location. a three cylinder ip pump with pistons, capable of working at ( - ) 20 degree centigrade. the pump is fitted base plate, the pump shall have drain system to drain the water, having foot valve on suction side, suction pipe 20 rm, nbypass : a by pass valve is provided to by pass the extra quantity of water as well as to regulate the pressure / overflow. pressure valve is provided to stablize the pressure. all as per manufacturers norms. ( make: honda / c&g / kirloskar or equivalent ) . the pump shall be coupled to a suitable engine of following specification:- nengine :- air cooled totally enclosed four stroke, engine 11.70 hp ( max ) 3600 rpm with self start, fly wheel magnete air cleaner oil bath type, 389 cc type side valve, four stroke air cooled horizontal shaft single cyclinder. the engine shall be capable of performing at altitude 5500mtr above msl ( engine oil capacity 1.1 ltr ) engine oil grade servo 20 w 40. all as per is 7347. 1.18 puf tank ( polyurethane foam ) insulated water storage tank of size 5000 ltr ( inter moc is hdpe resin with high density & low melt temp, middle layer is of puf of 50mm thickness & external is of frp to protect the internal insulated puf layer ) tank is capable to with stand upt 1.0 mtr snow load & suitable for high altitude areas -15 to 52 degree. ( make : sgipl / sintex / polycon ) . 1.19 puf tank ( polyurethane foam ) insulated water storage tank of size 2000 ltr ( inter moc is hdpe resin with high density & low melt temp, middle layer is of puf of 50mm thickness & external is of frp to protect the internal insulated puf layer ) tank is capable to with stand upt 1.0 mtr snow load & suitable for high altitude areas -15 to 52 degree. ( make : sgipl / sintex / polycon ) . 1.2 puf tank ( polyurethane foam ) insulated water storage tank of size 1000 ltr ( inter moc is hdpe resin with high density & low melt temp, middle layer is of puf of 50mm thickness & external is of frp to protect the internal insulated puf layer ) tank is capable to with stand upt 1.0 mtr snow load & suitable for high altitude areas -15 to 52 degree. ( make : sgipl / sintex / polycon ) 1.21 puf tank ( polyurethane foam ) insulated water storage tank of size 500 ltr ( inter moc is hdpe resin with high density & low melt temp, middle layer is of puf of 50mm thickness & external is of frp to protect the internal insulated puf layer ) tank is capable to with stand upt 1.0 mtr snow load & suitable for high altitude areas -15 to 52 degree. ( make : sgipl / sintex / polycon ) . 1.22 puf tank ( polyurethane foam ) insulated water storage tank of size 300 ltr ( inter moc is hdpe resin with high density & low melt temp, middle layer is of puf of 50mm thickness & external is of frp to protect the internal insulated puf layer ) tank is capable to with stand upt 1.0 mtr snow load & suitable for high altitude areas -15 to 52 degree. ( make : sgipl / sintex / polycon ) .