Contract for maintenance of different PH installations at Bidhannagar campus of VECC, 1AF, Bidhannagar, Kolkata 64

Amount

Note: 1) Tenderers must visit site before submission of tender. 2) The work should be done satisfying all safety aspects and insurance coverage of all workers to be involved in this job, Contractor should quote rates accordingly. 3) Debris generated from this work shall be disposed of by the contractor outside Anushakti Abasan and VECC office premises by mechanical transport outside VECC campus without any extra cost to the department. Contractor should quote rates accordingly. 4) Contractor has to be very careful so that no nuisance is created or users are not disturbed during execution of the work. Labours engaged should be well behaved/good mannered. 5) Rate shall be inclusive of all costs, taxes & duties including GST. Contractor should quote rates accordingly.

Dewatering, cleaning, removing mud, slush etc. and disinfecting of overhead water tanks (PVC/GI/RCC water tanks) on different buildings at Anushakti Abasan of different capacity, cleaning with good quality bleaching powder, wooden palm brush/scrubber, cleaning with pressure jet by high end machinery & equipment etc. thorough cleaning of walls, floor of tank etc. at any height and location, as per the satisfaction and direction of Engineer-in-Charge.

a) Upto 10,000 litre (6 Nos. X 8 times = 48 Nos. )

b) Above 10,000 litre upto 15,000 litre (11 Nos. X 8 times = 88 nos. )

c) Above 15,000 litre upto 60,000 litre (3 Nos. X 8 times = 24 nos.)

d) Above 60,000 litre upto 90,000 litre (1 No. X 8 times = 8 Nos.)

Dewatering, cleaning, removing mud, slush etc. and disinfecting of underground water tanks (RCC water tanks) inside Anushakti Abasan of different capacity, cleaning with good quality bleaching powder, wooden palm brush/scrubber, cleaning with pressure jet by high end machinery & equipment etc. thorough cleaning of walls, floor of tank etc. at any height and location, as per the satisfaction and direction of Engineer-in-Charge.

a) Upto 1.00 Lakh litre (1 No. X 8 times = 8 Nos.)

b) Above 1.00 Lakh upto 2.00 Lakh litre (1 No. X 8 times = 8 Nos.)

Sewer lines & Manholes : Cleaning of Master trap manholes, main & branch sewer lines upto 250mm dia at Anushakti Abasan effectively and disposal of sludge etc. in a suitable pit (location to be approved by the Engineer-in-charge) pit to be dug and covered by the contractor including labour, all tools and plants and maintaining the entire sewer line free from any and all sorts of chokeage and maintaining for smooth functioning during the entire period of contract (cleaning as per specifications will be done three times in one year (1025 Rm x 3 times/year x 2 years ) at Anushakti Abasan, but shall be maintained throughout the period of contract.)

Storm water lines & Manholes: Cleaning of all manholes, main branch storm water lines upto 250mm dia at Anushakti Abasan effectively and disposal of deposit/ sludge in a pit (location to be dug and covered by the contractor including labour, all tools and plants and maintaining the storm water drainage system free from any and all sorts of chokeage and for functioning smooth for the entire period of contract. (Cleaning as per specifications will be done once in a year (505 RM x 1 time/year x 2 years) but shall be maintained throughout the period of contract).

Dewatering, cleaning, removing mud, slush etc. and disinfecting of overhead water tanks (PVC/GI/RCC water tanks) on different buildings inside VECC office complex of different capacity, cleaning with good quality bleaching powder, wooden palm brush/scrubber, cleaning with pressure jet by high end machinery & equipment etc. thorough cleaning of walls, floor of tank etc. at any height and location, as per the satisfaction and direction of Engineer-in-Charge.

a) Overhead water tank upto 2000 litre

b) Overhead water tank above 2000 litre

Sewer lines & Manholes : Cleaning of Master trap manholes, main & branch sewer lines, upto 250 mm dia inside VECC office complex effectively and disposal of sludge etc. in a suitable pit (location to be approved by the Engineer- in - charge), pit to be dug and covered by the contractor including labour, all tools and plants and maintaining the entire sewer line free from any and all sorts of chokeage and maintaining for smooth functioning during the entire period of contract (cleaning as per specifications will be done once in a year (1550 Rm x 1 time/year x 2 Years), but shall be maintained throughout the period of contract.)

Storm water lines & Manholes: Cleaning of all manholes, main branch storm water lines upto 400mm dia inside VECC office complex effectively and disposal of deposit/ sludge in a pit (location to be dug and covered by the contractor including labour, all tools and plants and maintaining the storm water drainage system free from any and all sorts of chokeage and for functioning smooth for the entire period of contract. (Cleaning as per specifications will be done once in a year (1850 Rm x 1 time/year x 2 years) but shall be maintained throughout the period of contract).

Collecting sample of water for chemical and Microbiological test of two samples (Municipal supply and bore well supply) of domestic water from Anushakti Abasan, VECC as per IS 10500/2012, twice in a year including all charges like tools and plants and sterilising the equipments, providing pots / sterilised bottles / test tubes etc. for collecting of two samples including all charges, taxes and GST etc. and submitting the test report to the Engineer – In - Charge etc. all complete in all respect as per direction of Engineer–In– Charge.

Maintenance Contract for 100x50 mm deep tube well 120m depth including periodic maintenance of 1.5 Hp Submersible pump-motor and replacement of the same (if required) including maintenance / replacement of associated cable, panel and column pipe as per site requirement, with yearly one time surging by one day air compressor (8 hours) & chemical including all kinds of tools tackles required for the job including quarterly checking and servicing the tube well for smooth running (4 times in a year) at Anushakti Abasan, VECC (near Underground water tank) Note: 1) In case of break down, contractor should attend the job within 12 hours after receiving intimation from the Department and rectify defects within 24 hours to maintain the tube well in operating condition. Failure to comply with the requirement, penalty @Rs. 2000/- per day will be imposed and will attract LD clause.

Maintenance Contract for 200x100mm deep tube well 120m depth including periodic maintenance of 3.0 Hp Submersible pump-motor and replacement of the same (if required) including maintenance / replacement of associated cable, panel and column pipe as per site requirement, with yearly one time washing by one day air compressor (8 hours) & chemical including all kind of tools tackles required for the job including quarterly checking and servicing the tube well for smooth running (4 times in a year) at Anushakti Abasan, VECC near Rangamancha. Note : 1) In case of break down contractor should attend the job within 12 hours after receiving intimation from the Department and rectify the defect within 24 hours to maintain tube well in operating condition. Failure to comply with the requirement, penalty @Rs.2000/- per day will be imposed and will attract LD clause.