Cleaning and Commissioning of Sewerage System laid by OWSSB through ECCI at Palasuni Village (Maa Khandeswari Mahila Bikash Samit Gali-1) in connection with sewerage system under WATCO Section GGP Colony, BBSR

Dismantling of cement concrete pavement by mechanical means using pneumatic tools, breaking to pieces not exceeding 0.02 cum in volume and stock piling at designated locations and disposal of dismantled materials up to a lead of 1000 metres, stacking serviceable and unserviceable materials separately

Supplying all labour, T&P and earth work in excavation in all kinds of soil in pipe trenchs etc including dressing and levelling the bed and depositing the soil within 50M initial lead and 1.5M initial lift, as per the direction of the Engineer-in-charge.

Supplying filling in foundation & plinth with sand well watered & rammed including cost, conveyance, royalties, taxes all labour, T & P etc all complete as per specification and direction of Engineer-in-charge.

Cement concrete (1:3:6) using 40 mm. size hard granite crusher broken metal including watering and curing including cost, conveyance, royalties and taxes of all materials, labour, T&P etc. complete as directed by Engineer-in charge.

Supplying all materials, labour T & P for providing C.C. (1:2:4) with 12mm. Size C.B.H.G. chips, in flooring including hoisting and laying etc. all complete as per specification and direction of Engineer-in-charge.

Supplying all labour, T&P for cleaning and desludging fully filled up Manhole Chamber of inside size 1.2m dia/ 1.2m x 0.9m/ 1.2m x 1.2m /1.5m dia including removing the sludge and debris from MHC by means of rope and G.I. bucket and stacking the sludge outside the MHC, dumping the same within 100m lead and carrying the same to outside by mechanical means etc all complete as per direction of E.I.C.

Cleaning Mechanically (By Suction and jetting machine) Cleaning of choked sewer line by diesel running vehicle mounting hydraulic operated high pressure suction cum jetting 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 manhole and dechoking of sewer lines. De-chocking and flushing of sewer line from one manholeto another by high pressure jetting system of 2200 PSI for sewer line from 100mm dia up to 200mm dia for all depth and observing all formalities as per SOP framed by Ministry of H&UD Deptt. Gol. Up to 200mm dia sewer Line

Supplying all labour T&P and removing sludge and debries by mechanical means within 15 km radius etc all complete as per direction of E.I.C. & observing all formalities as per SOP framed by Ministry of H&UD Deptt. Gol.

Supplying all materials,labour,T&P for cutting of CC/RCC through concrete breaker for laying pipeline and making good to the damages etc all complete and as per direction of Engineer-in -charge.

Supplying all materials,labour and T&P for Constructing Inspection chamber of following inside sizes with SFRC Cover with frame of 600mm x 600mm size, 100mm thick RCC top slab in (1:1.5:3 ) mix including inside plastering 12mm. thick with cement mortar (1:3) finished with neat cement punnin & out side 16mm. thick out side plaster (1:6), 250mm thick wall Brick work with Fly ash bricks of 25cmx12cmx8cm. Size having crushing strength not less than 75 Kg/Sqcm. with dimensional tolerance +2%. percentt in cement mortar (1:4) in foundation and plinth as per specification approved by the Deptt & direction of Engineer - in - Charge.. Inspection chamber size (0.60 x 0.60 x 0.60mtr.) with SFRC cover

Providing, fitting, fixing 110mmdia P.V.C SWR / HCI pipe of standard manufactures, including all jointing in excavation of trenches up to a depth of 0.9mtr or fixing to walls with supply of nails, bobbings, wall plugs all complete as per the PHD specification and the direction of t he Engineer-in-charge. (including cost of material) 100mm dia P.V.C. SWR S/S Pipe ( type-A)

Making connection of drain or sewer line with existing Manhole including breaking into and making good the walls, floor with cement concrete (1:2:4), cement plastered on both sides with cement mortar (1:3) finished with a floating coat of neat cement and making necessary channels with cement concrete (1:2:4) for the drain all complete as per specification.

Supplying and fixing of precast SFRC heavy duty man hole cover with frame in existing Man Hole Chamber including mending the damages properly as per site condition & direction of Engineer in Charge.