Cleaning of water tanks and choked drainage lines in TE bldgs in DGM (Central) Urban area throughout the year Pune.(2nd Call)

Amount

Cleaning of chocked sewer line by diesel running vehicle mounting hydraulic operated high pressure jetting sewer cleaning machine including skilled operator for cleaning and partial de-silting of manholes and de-chocking of sewer lines. De-chocking and flushing of sewer line from one manhole to another by high pressure jetting system for sewer line diameter upto 300mm for all depth.

Cleaning of sewer line upto 300mm dia by rodding, scrubbing and flushing to remove the clogged drain of sludge, waste & rubbish material and disposal of waste/ refuge/ filth etc. (recovered in this process) to a place permitted and approved by the Local Municipal corporation all as per the direction of Engineer-in-Charge.

Cleaning of Manholes by rodding , scrubbing and flushing to remove the clogged drain of sludge , waste & rubbish material and disposal where corporation dumping places etc as per the direction of Engineer in charge

Cleaning and de-silting of gully trap chamber, including removal of rubbish mixed with earth etc. and disposal of same, all as per the direction of Engineer-in-charge.

Repairs to drainage manholes as detailed below: a)Excavating around the chamber upto base of MH. b) Placing CC 1:2:4 outside the MH wall for thickness of 100mm. c)Throwing broken glass pieces in the entry points of rodent and back filling with available earth. d) Sealing of damaged portion of walls with CC 1:2:4 e) Plastering inside MH

Attending leakages in PVC water tank including disconnecting, emptying the tank and reparing by PVC welding and replacing in position, making all connections, checking etc complete as directed by Engineer in charge. Capacity 2001 lit to 5000 lit

Cleaning of terrace/loft water storage tank (inside surface area) upto 2000 litre capacity at all heights with coconut brushes, duster etc., removal of silt, rubbish from the tank and cleaning the tank with fresh water disinfecting with blEaching powder @ 0.5gm per litre capacity of tank, including marking the date of cleaning on the side of tank body with the help of stencil and paint and disposing of malba, all complete as per direction of Engineer-in-Charge. (The old date already written on tank should be removed with paint remover or black paint and if date is not written with the stencil or old date is not removed deduction will be made @ Rs. 0.10 per litre if during cleaning any GI fittings or ball cock is damaged that is to be repaired by contractor at his own cost and nothing extra will be paid on this account)

Cleaning of under ground sump, Over Head R.C.C. Tank (independent staging) including disposal of slit and rubbish, all as per direction of Engineer-in-Charge. The cleaning shall consist following operations:- (i) Tank shall be emptied of water by pumping & bottom shall be cleaned of slit and other deposits. (ii) Entire surface area of the sump shall then scrubbed thoroughly with wire brush etc. and pressure washed withwater. (iii) Chlorination of RCC internal surface by liquid chlorine. (iv) The treated surface shall be dried using air jetting and all loose particles shall be removal from the surface. (v) Finally the surface shall be treated with ultraviolet radiation etc. as per direction of Engineer-in-Charge.