SPECIAL REPAIRS TO MAIN WATER SUPPLY DISTRIBUTION NETWORK TO GUARD POST 1 TO 9 IN TECHNICAL AREA CVRDE AVADI

Amount

Supply and laying Galvanised steel water tubing 25mm bore medium grade confirming to IS-1239 (Part-I) including all required fittings such a bends, tee, short piece, connectors, elbow, reducers union, sockets etc, laid in trenches complete including taking down old GI pipe all as specified & directed by Engineer-in-Charge.

Supply and fix Galvanised steel water tubing 25mm bore medium grade confirming to IS-1239 (Part-I) including all required fittings such a bends, tee, short piece, connectors, elbow, reducers union, sockets etc, fixed in walls, Ceiling and floors complete including taking down old GI pipe all as specified & directed by Engineer-in-Charge.

Supply and laying Galvanised steel water tubing 50mm bore medium grade confirming to IS-1239 (Part-I) including all required fittings such a bends, tee, short piece, connectors, elbow, reducers union, sockets etc, laid in trenches complete including taking down old GI pipe all as specified & directed by Engineer-in-Charge.

Supply and laying Galvanised steel water tubing 80mm bore medium grade confirming to IS-1239 (Part-I) including all required fittings such a bends, tee, short piece, connectors, elbow, reducers union, sockets etc, laid in trenches complete including taking down old GI pipe all as specified & directed by Engineer-in-Charge.

S&F Gun metal globe or gate valve 25mm dia with iron wheel head screwed both ends for GI pipe and fixed ISI marked complete all as specified and directed by Engineer-in-Charge.

S&F Ball valves high pressure of PTMT with epoxy coated Aluminium rod & high density plastic ball screwed for iron pipe and fixed for 25mm dia pipe including taking down old ball valves complete all as specifed and directed by Engineer-in-Charge.

Supply and fix Sluice valve PN 1:0 of 80mm dia bore flanged end complete with iron wheel head and stainless steel spindle ISI marked including necessary bolts and washers including taking down old sluice valve complete all as specifed and directed by Engineer-in-Charge.

M&L for excavation in trenches not exceeding 1.5 metres wide and not exceeding 1.5 metres deep in any type of soil and getting out including forming bottom surface to required level or slope complete all as specified and directed. Note : (i) All execavation to be carried out by manual only. (ii) The rates for all excavation items include: Clearing away all grass vegetation, saplings, shrubs, brushwood, undergrowth, roots, and trees not exceeding 30 cm girth (measured one metre above ground level) and removing rubbish upto a distance of 50 metres outside the periphery of the area.

M&L for returning ,filling in trenches in layers not exceeding 25cm including spreading, leveling and well ramming including watering complete all as specified and directed by Engr-in-charge.

M&L for removing surplus excavated soil to a distance not exceeding 50 metres and depositing where directed at a level not exceeding 1.5m high from the starting point all as specified and directed by Engr-in-Charge.

M&L for demolition of cement concrete (un-reinforced) in ground floors and paving not exceeding 15 cm thickness (below or above ground level ) complete all as specified and as directed by Engineer-in-Charge.

M&L for valve chamber of size 750 x 750 x 750 mm (internal dimensions) with following specification:- i) Excavation of earth work in any type of soil including RFR and Removal. ii) PCC 1:4:8, 100mm thick type D2 in foundation. iii) Brick work in 230mm thick in CM 1:4. iv) Rendering in CM 1:4 to both internal and external surfaces upto150mm depth below GL. v) PCC 1:3:6, 75mm thick Type C1 as in coping. vi) Cover frame made up of MS Sheet 850x850x3mm thick and MS frame made out of 50x50x5 complete fixed in coping with hinges and locking arrangement, vii) All plaster surfaces are applied with 3 coats of white wash and all MS section are applied with Synthetic enamel paint two coats over a coat of red oxide/zinc chrome primer and writing valve number complete all as specifed and directed By Engineer-in-Charge.

K Kumar Construction

SHRI BALAJI CONSTRUCTIONS

BEEGEE DESIGN SYSTEMS

M/s GM Constructions