Maintenance of completed works Narela 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 by high pressure jetting system of 2200 PSI for sewer line from 150 mm dia upto 300 mm

Supplying and fixing RCC cover 300×300 mm without frame for gully trap (standard pattern). Weight of cover not less than 4.5 kg

Providing and fixing in position pre-cast R.C.C. manhole cover and frame of required shape and approved quality Circular shape 900 mm internal diameter

Providing and fixing in position pre-cast R.C.C. manhole cover and frame of required shape and approved quality Square shape 600x600 mm internal dimensions

Providing and fixing in position pre-cast R.C.C. manhole cover and frame of required shape and approved quality Rectangular shape 800x900 mm internal dimensions

Disposal of building rubbish / malba / similar unserviceable, dismantled or waste materials by mechanical means, including loading, transporting, unloading to approved municipal dumping ground or as approved by Engineer-in-charge, beyond 50 m initial lead, for all leads including all lifts involved.

Providing and fixing GI Pipe from Main supply pipe line to UGR Tank to adjust water pressure and reduce the wastage of overflowing Domestic water in Pocket - I, Sector G2/G6, Narela.

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 frame

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) :Square manhole 60x60 cm with frame

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) :Circular manhole 90 cm dia with frame