REPAIR/MAINT AND CLEANING TO OH SERVICE TANKS OF BLDGS, REPLACEMENT OF FLOAT VALVE AND CERTAIN MISC WORKS ETC AT ZONE-I AND ZONE-II AT JAISALMER UNDER GE (A) JAISALMER.

M&L for Cleaning of HDPE service water tank of capacity exceeding 250 litre but not exceeding 500 litre and the connected circulating pipes at any position by removing sludge, mud, moss, moulds, efflorescent salts, oil spots etc or any other foreign material from the bottom, cover and internal surfaces by scraping using wire brush, draining out the water from the tank and washing internally with water & bleaching powder (0.10 Kg of bleaching powder will be mix in 1 litre water) and again draining out the water from the tank and writing the date of cleaning with white synthetic enamel paint on black background with synthetic enamel paint and tank to be marked (Date of cleaning with) paint and stencil including disconnecting existing tanks exc 250 Ltrs but not exc 500 Ltrs capacity PVC water tank setting aside (or lowering if required) for repairs, cleaning, etc. and hoisting if required reconnecting and re-fixing in position complete all as specified and directed by Engineer-in-Charge.

All as per item No. 1.00 here-in-before above but exceeding 500 Ltrs and not exceeding 1000Ltrs capacitty complete all as specified and directed by Engineer-in-Charge.

S&F in repairs 20 mm bore ball valves high pressure of PTMT with epoxy coated Aluminium rod & highdensity plastic ball screwed for iron pipe and fixed Min weight 15mm-142gms/ 2 0 m m - 2 1 0 g m s . / 25mm-455gms/ 40mm - 690 gms) complete all as specified and directed by Engineer-in-Charge.

All as per item No. 3.00 here-in-before above but pipe of 25 mm bore Min weight 15mm-142gms/ 2 0 m m - 2 1 0 g m s . / 25mm-455gms/ 40mm - 690 gms)

S&F in repair 20 mm bore nipple suitable for HDPE water tank (minimum weight 15mm-38gms, 20mm-45gms/ 25mm-65gms) ISI Marked complete all as specified and directed by Engineer-in-Charge.

All as per item No. 5.00 here-in-before above but 25 mm bore

S&F in repairs PVC water storage tank cover for 1000/500ltr capacity ISI Marked complete all as specified and directed by Engineer-in-Charge.

S&F 1000 litres capacity, tripple layer, rotational molded, polythene water storage tank, ISI Marked (Cylindrical vertical with closed top), colour white, hoisted and fixed on roof in position, including all fitting such as connection pieces with GI tank nipple for inlet and outlet, washout and overflow etc and including 25 mm size Ball valves high pressure of PTMT with epoxy coated Aluminium rod & high density plastic ball screwed for iron pipe complete including dismantling water tanks and removing to store complete all as specified and directed by Engineer-in-Charge.

S&F 500 litres capacity, tripple layer, rotational molded, polythene water storage tank, ISI Marked (Cylindrical vertical with closed top), colour white, hoisted and fixed on roof in position, including all fitting such as connection pieces with GI tank nipple for inlet and outlet, washout and overflow etc and including 25 mm size Ball valves high pressure of PTMT with epoxy coated Aluminium rod & high density plastic ball screwed for iron pipe complete including dismantling water tanks and removing to store complete all as specified and directed by Engineer-in-Charge.

S&F in repair complete to walls/ceilings or laid in floors 15 mm bore steel water tubing galvanised medium grade with all fittings complete all as specified and directed by Engineer-in-Charge.