Running and maintenance of DDA Roshanara Club.

Removing of filter media and gravels and defective diffusers from the existing 1 No. vertical pressure sand filter after opening of main hole with help of bucket, rope and required manpower etc. as complete as required.

Supply of additional filter media/ gravels of different size for additional requirement in pressure filter upto required level etc. as complete as required.

Putting the existing and additional filter media in existing 1No. vertical pressure filter after washing, cleaning, etc. as complete and closing the main holes ,with Nut bolts and rubber packing etc complete as required.

Repairing and rewinding of 3/5HP suction sweeper machine & dewatering pump set including replacement of bearing, rubber tyre coupling connection testing etc. as required.

Supply & fixing of 50 mm dia PVC hose pipe and clamps for suction sweeper machine etc. as complete required.

Chemically Cleaning of water body of Swimming Pool of size 12.5 Mtrs. x 25.0 Mtrs i/c Toddler pool, Scum Channel and desilting of balancing tank / sump well with the help of bucket, rope, acid and brushes including labor etc. as complete as required.

Water filling and filtration of water with the help of existing filtration plant of capacity 20000 Gallons per hour for treating the water of swimming of size 12.5mtr x 25.0 mtr and dosing of chemicals required to achieve the results as per IS:3328-1993 and their relevant codes. The above chemicals will also include the chemicals such as chlorine gas as and when required to make the quality of water as per above slated standard and etc as required.

Painting of all plant equipments/accessories such as suction sweeper machine, motors, pumps, pressure filters,MS pipe line air blowers, rolling shutter, and cable tray with the approved shade of synthetic enamel paint with two or more coats after rubbing and cleaning the surface with emery paper etc. complete as required.

Servicing and over hauling of plant room equipment’s and accessories such As sluice valve & non return valve of various size, boosting pump set i/c replacement of damaged/broken nuts bolts ,rubber packing ,gland, dori, water seal, turning & grinding of shaft , connection plate etc complete as required.

Repairing & Rewinding of 7.5/12.5 HP circulation boosting Pump set i/c replacement of bearing connection testing etc. as required.

Supply and replacement of PVC umbrella type Sun flow Nozzles suitable for existing pressure filter i/c commissioning, testing etc. as complete as required.

Repairing and rewiring of existing LT Panel in plant room i/c replacement of defective MCB ,Starter, thimbles etc complete as required.

Supplying, fixing, testing and commissioning of butterfly valve of PN 1.6 rating with bronze/gunmetal seat duly ISI marked complete with nuts, bolts, washers, gaskets conforming to IS 13095 of following sizes as required :

150 mm dia

Running Maintenance and Operation of filtration plant and other accessories of swimming pool of size 12.5 Mtr x 25.0 Mtr as per details of installation/inventory by deploying staff :3 Nos. Operator (1 No. in each shift total three shift i.e. 6 AM to 2 PM & 2 PM to 10 PM and 10 PM to 6AM) and 2 No. Khallasi (one in each shift total of two shift i.e. 6AM to 2 PM & 2 PM to 10 PM ) i/c dosing of chemicals such as Chlorine gas/TCCA 90,Soda ash, Alum crystal, Castic soda and Copper sulphate.The agency shall have to maintain the quality of water in swimming pool of size 12.5 Mtr x 25.0 Mtr having capacity 20,000 Gallons per hour for treating the water as per IS-3328-1993 & their relevant codes for main pool & toddler pool complete as required as per additional condition enclosed.

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