Operation and Maintenance of Desalination Plant at Abad Kuliadanga under Hasnabad Sub-Division, P.H.E. Dte. Period for the 1 (one) year.

Labour charges for Operation of Pump/DG Set/Valve/ Disinfaction arrangement including necessary maintenance required for Upkeepment of Machanical / Electrical installation with Petty repairing including internal Illumination of Licensed Electrician having valid Workmanship permit as per specification and Mochanio for DG Set including incidental charges as per Specification and Guarding of Installation with accessories.The maintainance of the installation will be guided by the special terms and conditions as attached.

Washing, cleaning the raw water tank (in every forte night), 1st stage production tank (once in a month), production tank (once in a month) including supply of booms, brush, bleaching power etc. as per direction of E.l.C. 245+10% CP +18% GST + 1% Cess8 Labours per month X 12months = 96 heads.

Cleaning & washing 5 & 10 micron cartridge with carefully removing & fitting, fixing in same position as per direction of E.l.C. The cleaning should be done as per requirement. 245+10% CP +18% GST + 1% Cess

Cost of chemicals for clearing of R.O. membrane for each month.(Sercon 201-10kg, Sercon 202 - 10kg, Sercon 204 - 2kg rates from Ion Exchange, Kolkata) Cost of materials as per cash memo :- Rs. 6864.00 + 20% (Incl. I.T, S.T, Contractor profit, carriage to site) Rs. 1,373.00 = Rs. 8,237.00

Cost of 5 micron & 10 micron cartridge filter for high pressure pump vessel10 mic. - 20" long - 5 nos X 12 month = 60 nos. 5 mic. - 20" long - 5 nos X 12 month = 60 nos. month = 120 nos. @ Rs. 520 / each20% (Incl. I.T, S.T, Contractor profit, carriage to site) @ Rs. 104 / each (Rate from Ion Exchange, Kolkata) Total Rs. 624 / each

Cost of expert service engineer & 2 nos. helper for R.O. Cleaning (4 nos), Sand Filter for each cleaning-once per month.(Supervisor must have sufficient experience with similar type of job specially from Ion Exchange/Smart Aqua) & voucher to be enclosed along with bill.Rate -Service Engineer - 2,000.002 nos. (Special) Helper - 600.00 2,600.00 x .9434 x 1.1918 = 2923.29

Sundry items including sweeping articles, brush, booms, bleaching powder and sweeping charge etc.

Additional wages to be paid to the personnels/ guards as minimum wages in case of enhancement of wages as will be fixed by the EIC (Rate will be fixed minimum wages + 8.33% bonus + 5% O.H. + 10% contractors profit + 18% GST + 1% Cess.