National Environmental Engineering Research Institute Tender

Cleaning of existing water dug well located at various location at CSIR-NEERI, Nagpur. The cleaning includes the following: A) Dewatering of existing dug well by mechanical means. B) Cleaning of internal face wall of dug well by removing/scrapping dirt, fungus, algae etc C) Removal of sludge/mud upto floor bottom by mechanical/manual means. D) Disinfectioning of all cleaned dug well E) Dewatering of dug well by mechanical/manual means untill the clear water appear. The details of the existing dug well at CSIR-NEERI are as follow: 1) Near Gate no. 1 - total depth of dug well 7.60 mtr, Diameter 2.4 mtr 2) Behind main bldg garden - total depth of dug well 7.00 mtr, Diameter 2.4 mtr 3) Near right side of EBGD lab - (2 nos of dug well) total depth of dug well 6.00 mtr, Diameter 1.55 mtr 4) Behind the lab of EBGD lab - total depth of dug well 8.80 mtr, Diameter 3.4 mtr 5) Behind Guest House - total depth of dug well 13.35 mtr, Diameter 2.5 mtr 6) Near east colony pump house - total depth of dug well 4.40 mtr, Diameter 2.0 mtr 7) Behind APC green bldg - total depth of dug well 6.25 mtr, Diameter 1.90 mtr. (Note : Contractor should deployed manpower with necessary safety tool. Safety and security of the deployed manpower is fully responsibility of the contractor)

Cleaning of open pond by removing the felling trees/ waste materials / small bushes/ leaves/soil waste/ back filling/tarfelt material/plastic polythine waste etc with the help of JCB and wire rope if required including loading, cleaning the other material and disposed off the same within 2Km lead as per the direction of engineer-in-charge.

Labour Charges For A. Clearing of material which is spread around the JCB after loading of material in to the truck. B. Cleaning of small surface where JCB unable to reach, stacking the material. Note:- Manpower deployed will be counted and payment will be made based on the manpower deployed.