supply of stores for water supply scheme at wacha in 2 mtn div sector , supply of stores for wss at f . o . r - wacha , dist / lohit , state : arunachal pradesh , under ground water tank of 5000 ltr cap for storage of drinking water manufactured under rotationally moulded process using fda approved grade of high density polyethylene enamel ( hdpe ) duly stabilized for out door appliances produced in cylindrical vertical shape with manhole and lockable hinged type lid & shall be conform as per is specification is- 12701 : 1996 ( make sintex/polycon/suntec ) , plastic water tank of 1000 ltr cap for storage of drinking water manufactured under rotationally moulded process using fda approved grade of high density polyethylene enamel ( hdpe ) duly stabilized for out door appliances produced in cylindrical vertical shape with manhole and lockable hinged type lid & shall be conform as per is specification is- 12701 : 1996 ( make sintex/polycon/suntec ) , plastic water tank of 500 ltr cap for storage of drinking water manufactured under rotationally moulded process using fda approved grade of high density polyethylene enamel ( hdpe ) duly stabilized for out door appliances produced in cylindrical vertical shape with manhole and lockable hinged type lid & shall be conform as per is specification is- 12701 : 1996 ( make sintex/polycon/suntec ) , staging for water storage tank 1000 ltr capacity of ms angle iron of size 1200mm x 1200mm of height 3000mm made of angle iron 50x50x5mm with 3 . 15mm ms plate platform providing all side diagonal bracing and on top 3 nos of angle iron 40mm x 40mm x 5mm fixed with nut and bolts ( as per drg ) complete including painting the ms structure with two coats of synthetic enamel paint over a coat of red oxide primer . , staging for water storage tank 500ltr capacity of ms angle iron of size 900mm x 900mm of height 2600mm made of angle iron 50mm x 50mm x 5mm with diagonal bracing of angle iron 40mm x 40mm x 5mm with all around fixed with nut and bolts . ms plate 3 . 15mm thick to be fixed at top of staging and the same will be supported by three numbers angle iron of size 40mm x 40mm x 5mm . , ppr pipe 25 mm dia . make:- sfmc / reliance , ppr pipe 50mm dia . make:- sfmc / reliance , gate valve suitable for ppr pipe 25 mm diameter isi marked . ( make : sfmc/jindal/wetflow ) , gate valve suitable for ppr pipe 50mm diameter isi marked . ( make : sfmc/jindal/wetflow ) , multistage centrifugal motor 3 hp , cast iron body with brone impeller , 3 phase , 415v , 300 rpm , head 16-28 mtr discharge of water 350 ltr/min . make:- cri / crompton greevs / kirloskar . , cement of 43 grade opc conforming to is 8112/1989 in sealed bags each weighing 50 kgs . the date of manufacture of cement should not be more than one month prior to the date of delivery . ( make: acc/ultra tech/ ambuja/birla gold /cci ) , natural sand confirming to is-383-1970 ( free from adherent coating , hard , durable , clean and cell not contained clay and impurities such iron pyrites , alkalies , salt , coal , mica , shale or similar laminates or other materials exceeding the specified limits in is code aggregate for concrete . , graded stone aggregate of size 10-20 mm conforming to is-383-1970