M/o various schemes under NA-II (East Zone).

Cleaning of chocked Sewer line by diesel running vehicle mounting hydraulic operated high pressure suction cum jetting sewer cleaning machine fitted with pump having 4000 litres suction capacity and 6000 litres water jetting tank capacity including skilled operator, supervising engineer etc. for cleaning and partial desilting of manholes and dechocking of Sewer lines. Dechocking and flushing of Sewer line from one manhole to another end by high pressure jetting system of 2200 PSI for Sewer line from 150mm dia upto 300mm. Note:- 1) The agency has to provide complete videography before, during and after dechocking sewer line in pen drive before payment for which nothing extra shall be paid. 2) In case of delay of more than 3 days in attending any complaint after receiving complaint, penalty of Rs. 9000/ day delay will be imposed on agency and same will be recovered from the bill.

De-silting of sewer line based on bucket system in running and under foul condition for depth not exceeding 1.5 m i/e removal of stone, brick bats, garbage, silt etc. and staking the same on the bank of sewer manhole line at a distance up to 50 m from centre of sewer line as per CPWD specification complete and lift up to 1.5.

Construction of bundh with filled up earth in empty (PVC) cement bags ( excluding cost of earth which will be available at site of work) including stiching/stacking placing in position and removing the same on the bank of sewer manhole line at a distance up to 50 m from centre of sewer line as per CPWD specifications complete and lift up to 1.5 M.

Providing and fixing in position pre-cast R.C.C. manhole cover and frame of required shape and approved quality, EHD - 35. Circular shape 560 mm internal dia

GST reduction factor @0.973 on item 4

Add 3% Cost Index