Maintenance and Change of 03 Nos. of filter media of pressure filter under Orient Sub Area, Orient Area

Dismantling and Un-loading etc. of filter media from cylindrical vertical Including removal of the same at the distance of 100 mtrs as per direction of EIC

Pressure Cleaning the vessel inside with the help of air pressure and painting with anti corrosive paint outside surface also to be cleaned property and painted with enamel paint of two or more coats including valves etc, as per direction of EIC

Supply, placing packing and leveling of filter Gravel as per IS 8419 (part-6-10 1977 with latest hard, spherical and uniform size, properly washed and cleaned for each layer ranging, with media with 16/32 mesh sieve sand including and as per direction of EIC

Providing and fixing umbrella type PCV Strainer on the filter Bed inside the Vessel size will be 5/8 Including all and as per direction of EIC

MnO2 will be provided as iron removal media thickness will be 150 mm.

Removing dry or oil bound distemper, water proofing cement paint and the like by scrapping, sand papering and preparing the surface smooth including necessary repairs to scratches etc. complete

Distempering with 1st quality acrylic distemper (ready mixed) having VOC (Volatile Organic Compound ) content less than 50 gram/ litre, of approved brand and manufacturer including applying additional coats wherever required to achieve even shade and colour Old work (one or more coats)

Finishing walls with Acrylic Smooth exterior paint of required shade:Old work (One or more coat applied @0.90 Itr/10 sqm).

Painting with synthetic enamel paint of approved brand and manufacture of required colour to give an even shade: One or more coats on old work

12 mm cement plaster of mix:1:6(1 cement: 6 fine sand)

Cement concrete flooring 1:2:4 (1 cement : 2 coarse sand : 4 graded stone aggregate) finished with a floating coat of neat cement, including cement slurry, but excluding the cost of nosing of steps etc. complete. 40 mm thick with 20 mm nominal size stone aggregate

Total impact of GST plus Labour Cess [@ 1 % (BOCW Cess to be deducted from the RA bill as per the value of the work progress)] for the purpose of CTC