Laying of DI pipe for clear water rising main from CWR at WTP to four OHR of the proposed water supply scheme within KRISHNANAGAR Municipality under AMRUT PROJECT

Amount

Laying D.I. pipes (All types & Class) including earth work in excavation in trenches, shoring (if necessary) of adequate width having minimum depth to keep the top surface of pipe 1.00M below of the existing ground level in any kind of soil mixed with boulder, metal crust, concrete pavement, any road sub-grade and its flank etc., dewatering the trenches, preparing the bottom surface of the trenches for continuous bedding including sand filling (if necessary) or over ground installation to cross ditches etc. supported with RCC pillars as & when necessary and fitting, fixing, jointing (all types of joints) valves, specials etc. as per requirement (to be supplied by agency conforming to requisite quality standard as per IS 9523, 2000 norms and satisfaction of E.I.C.), in position, cutting, chamfering of pipes as required, carriage of materials from departmental store to work site, constructing sluice valve chambers including supply and fitting in position sluice valve of different dia. as per requirement , filling of the trenches with excavated materials, consolidating the same in layers, permanent road restoration(i.e. concrete, bituminous etc as per enclosed departmental drawing in Annexture-I), guarding trenches with temporary bamboo railing for safety where necessary, emergency horizontal auger boring ( for roads other than NH & SH) where necessary, removing the surplus materials from site including all labour charges, tools and plants, hydraulic pressure testing, cleaning and disinfection of pipes etc. complete in all respect as perIS 12288-1987(latest edition) and instruction of E.I.C. (Only the pipes, rubber rings, Mechanical joints of different dia. will be supplied departmentally. The surplus and unused materials are to be returned to store at his own cost.) Approximate quantity of Pipes to be laid 1. 250 mm dia. - 10.0 m. 2. 300 mm dia. - 2928.0 m. 3. 350 mm dia. - 1239.0 m. 4. 400 mm dia. - 3125.0 m. 5. 500 mm dia. - 821.0 m. TOTAL = 8123.00 m.

H. ENTERPRISE

M/S. DWAIRATH ENTERPRISE

BISWAJIT MITRA