02/EE/EMU/AUD/2024-25

Amount

CIVIL

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 by high pressure jetting system of 2200 PSI for sewer line from 150mm dia upto 300mm dia for all depth.

Providing and fixing in position pre-cast R.C.C. manhole cover and frame of required shape and approved quality L D- 2.5 Rectangular shape 600x450 mm internal dimensions

Raising manhole cover and frame slab to required level including dismantling existing slab and making good the damage as required (Raising depth of manhole to be paid separately) : Rectangular manhole 90x80 cm with rectangular cover 600 x 450 mm of grade LD - 2.5

Providing and fixing in position pre-cast R.C.C. manhole cover and frame of required shape and approved quality M D - 10 Square shape 450 mm internal dimension

Extra for depth for manholes : Size 90x80 cm With common burnt clay F.P.S. (non modular) bricks of class designation 7.5

Tracing of missing sewer line and manholes by excavation from mechanical means (Hydraulic excavator)/manual means over areas including getting out and disposal of excavated earth lead up to 50 m and tracing with the with the help of bamboo, rodding etc. The work shall be done by following due procedure as per relevant statutory act.

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