Water Supply, Irrigation & Sanitation Tenders

M&L for Cutting Existing Road incl black top cover (trench) up to 1 Mtr depth and width not exc 60cm for laying of pipe line, refilling and making good after laying of pipe with removed soil and finally sealed with cement concrete of thickness not less than 150mm to match with the top surface of Road complete all as specified & Directed.

Providing and fixing Chlorinated Polyvinyl Chloride (CPVC) pipes, having thermal stability for hot and cold water supply, including all CPVC plain & brass threaded fittings, including fixing the pipe with clamps at 1.00 m spacing. This includes jointing of pipes & fittings with one step CPVC solvent cement & testing of joints complete as per direction of Engineer-in-Charge. (Make -ASTRAL/ PRINCE/ HINDWARE / SUPREME). Internal work-Exposed on wall

Supply, laying jointing, testing of DI pipe with class-K-7 spigot socketed ends, conforming to IS-8329 laid in trenches including providing route indicators of suitable height and laying at spacing of @ 50m center to center at GL mentioning name of contractor, date of execution & CA No with name of work & rubber gasket (Tyton) joints with jointing material & route indicators of the following sizes including taking down of existing CI/DI pipe complete all as specified and directed by Engineer-in-Charge. Note 1: - Excavation & earth work shall be measured and paid seperately under respective items of BOQ. Note 2:- Contractors will provide route indicators mild steel body with top 150 mm plate 3mm thick and height not less than 300mm above finished GL at suitable intervals as directed by EIC. Cost of route indicators shall be deemed included in quoted unit rates. Note 3:- DI pipe whole quantity of tender shall be procured by contractor in one time from the authorised dealer of approved make and PV's, MTC & e-way bill will produced by contractor during payment of 1st RAR as material laying at site. Note 4:- Piece meal site for laying of pipe shall be given by EIC and contractor arrange to transport the DI pipe accordingly at his own arrangement. No any additional payment for transportation will be given to contractor. Contractors are requested to quote rate accordingly. Note 5:- Layout plan for laying of DI pipe shall be given by EIC in writing. Note 6 :- Cost of Rubber gasket joints (Tyton Joint) included in quoted unit rates.

M&L of water proofing treatment to non-accessible roof slab with APP based modified polymeric membrane as per manufacturer’s instructions with following course of description below :- (i) Applying a priming one coat of bituminious primer evenly @ 0.30kg/sqm till the surface is properly impregnated. (ii) Providing APP based 5 layer polymeric membrane minimum weighting 3.60 kg/sqm and minimum 3mm thick reinforced with polyester non-woven fabric matt (weight not less than 150gms/sqm) centre core laid on primed surface by forced applications as per the manufacturer’s instructions with side overlap of 75mm and end overlap of 100mm. All overlap joints shall be sealed thoroughly by thermo fusing both the membrane layer (torching overlap by propane or butane gas torch) and sealing it with the help of hot trowel. The overlap joints shall be made as a monolithic layer. (iii) Apply two coat of bituminous aluminium paint @ 0.20 kg/sqm over APP Membrane. (iv) The rate of items is included for re-fixing of monkey cages/water connection pipe line/water tanks of 500 liters and 1000 liters including refixing of external AC units after completion of APP applications. (Note: The work in respect of water proofing treatment shall be carried out only by authorized/approved applicator of the manufacturer/firms of APP membrane. The contractor shall submitted 10 year company back warranty before claiming payments complete all as specified and directed. (Note : The work is required to be carried out at G+3 building. The contractor shall make arrangement of scaffolding, safety & security of workers and arrangement for approach to roof. The rates quoted shall deemed to be included for these items. .

Opening out leaky water supply pipe and making the joints water tight i) up to 40mm dia