BARCT/ NRB/ GSO/ CandM/ CMT150/ 2021/11

Amount

Cleaning of over head and underground water tanks of all buildings, pump house in BARC Staff colony with hygenic cleaning process using pressure multifunctional Hydro-pneumatic pump/high pressure cleaning pump, bleaching powder, including cotton duster , plugs , scrubbers and different bruses. Chemical/disinfectants will be supplied by the contractor . Portable UV light arrangement for bacteria killing is to be given inside empty tank during tank cleaning works. All safety precaution is to be taken by contractor during executing this work. The tank cleaning work shall be done as per specification and direction of the Engineer-In-Charge.

Cleaning of septic tanks, size in metre minimum :-5 length x 1.4 breadth x 2.5 height having volume up to maximum 30 m³ in BARC staff colony by dewatering, removing of silt deposits and disposing the waste at designated place removing choke up of inlet and outlet of the tanks, soak pits, removing of silt deposits from soak pit etc. complete. The cleaning operation will be done by Septic Tank cleaning Machine. Total no. of septic tanks=4 nos, two times in contract period , so 4x2=8 nos. The entire work shall be done as per specifications and direction of Engineer-In-Charge

Providing food grade bleaching powder in HDPE sealed bags, having 20-35% available chlorine confirming to IS 1065 as and when required in BARC staff colony,Tarapur.

Removal & cleaning of choke up of sewer lines of diameter up to 450mm, by removing of roots, debris, soil from sewer line to make it fit for smooth functioning . The contractor shall take proper safety measures while doing this work. The work includes disposal of debris/ waste from sewer line to a designated place having lead up to 2km etc. completeas per specifications. The whole work shall be done as per specifications and directions of Engineer-In-Charge.

Removing choke up & cleaning of drainage manhole chambers of dia. up to 2 mtrs. X depth 2.4 metre using mechanically means or manually including dewatering, using all labour, machinery, safety devices, safety wear,rope,ladder, disposing the waste to a designated place up to lead of 2 km etc.complete as per specification and direction of Engineer-In-Charge.

Cleaning of Nallha of size bottom width average 2m top width average 4m & average depth 2.00m machanically /manually by removing creepers , other waste material from Nallah including disposal of sludge debris etc. within 100m lead etc. complete as per specification and direction of Engineer-In-Charge.

Repairing and replacement (if necessary) G.I pipe line including fitting viz. float valve, gate valve, etc. complete. (Note:-The material will be supplied by the department and the contractor shall provide skilled and un skilled persons for attending the jobs.)complete as per specification and direction of Engineer-In-Charge.

Repairing of leakaing C.I. pipeline by making and finishing of lead joint in CI pipe line up to 300mm diameter . The work includes exavation of soil up to depth of leaking CI pipe line , making workable space for joint (the exavation cost will be paid separately in item no:-9).Cutting the pipe with grinder machine, aligning the pipe in straight line & level fixing the C.I. collar in C.I. pipe, filling of collar joint with molten lead, followed by cocking of lead completely with hammer & chisel, making joint complete with finishing, testing the joint for leakage etc. complete as per specifications and directions of Engineeer-In-Charge. (Note: Lead ,C.I. collars will be provided by the department free of cost) and the tools and tackles for work will be provided by the contractor).

Providing services of skilled plumber for liaisonings with other sections for tank cleaning work while execution , taking and depositing the keys of terrace doors to security section during tank cleaning work , taking water samples from water tanks before and after tank cleaning work, assisting in checking the CI/GI/DI pipe lines for smooth functioning .Checking of inlet and outlet pipe line of OHT of buildings for leakage, corrosion, assisting the departmental engineers in CI pipe line , lead joint work and any other plumbing related works as per the direction of EIC.

M/s. P.N.MORE