Providing and laying new 450mm dia DI pumping main at Vizhidiyur road (Southern side) for delinking the damaged prestressed concrete 450mm dia pipe and interlinking the pumping main with the existing pumping main (2 ends) at ch.3/540Km to 3/590Km (50

Excavating trenches by mechanical / manual means of required width for pipes, cables, etc including excavation for sockets, and dressing of sides, ramming of bottoms, for all depth, including getting out the excavated soil, and then returning the soil as required, in layers not exceeding 20 cm in depth, including consolidating each deposited layer by ramming, watering, etc. and disposing of surplus excavated soil as per direction of Engineer-in-charge, within a lead of 50 m – all kinds of soil - pipes, cables etc , exceeding 300mm dia but not exceeding 600 mm

Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - all work upto plinth level - 1:2:4 (1 cement : 2 fine aggregate : 4 graded stone aggregate 20mm nominal size)

Centering and shuttering including strutting , propping etc and removal of form for - foundations, footings, bases of columns etc for mass concrete

Providing and laying S&S centrifugally cast (Spun) / Ductile iron pipes conforming to IS : 8329 - 450 mm dia Ductile iron class K-7 pipes

Providing and fixing in position S&S standard D.I. specials such as tees, bends, collors, tapers, caps etc. conforming to IS specification 9523/2000 and ISI marked - 350 to 450mm dia.

Providing and jointing cast iron / D.I. (S&S) pipe joints with rubber gasket (Tyton joints) conforming to IS 5382 & 12820 of SBR quality including the cost of fixing, testing the joints etc., complete -450mm dia.