MTPS I CA RWS Overhauling of Misc Clarifier I

Amount

Charges for de-watering of Clarifier, mixing the mud / fine sludge deposits with water while de-watering. For Clarifier of Size 16 M Radius X 7 M Depth.

Charges for removing sludge and other foreign particles from the Clarifiers .For Clarifier of Size 16 M Radius X 7 M Depth.

Cleaning the algae deposits on the side walls of both inner and outer rings of Mis.Clarifiers I and bottom surface with coir / wire brush. Applying and cleaning bleaching powder on both side walls of inner ring & outer rings and also on bottom surface. For Clarifier of Size 16 M Radius X 7 M Depth.

Charges for de watering of sludge disposal pit, flash mixing chamber and Removal of sludge from sludge disposal pits, flash mixer, sludge pump suction sump and flushing of tunnel pipes. Cleaning of algae deposits with coir / wire brush, and applying & cleaning of bleaching powder on inside walls of sludge pit, flash mixing chamber, sludge pump suction sump and valve chamber. For Clarifier of Size 16 M Radius X 7 M Depth

Charges for cutting and removal of existing deteriorated bolts of scrappers, removing damaged scrapers, cutting of scrapper rubber to required dimension from old Conveyor Belt, marking and making holes on scrapper rubber and fixing with new Bolts and nuts in the traction drive in Misc Clarifier.

Charges for complete dismantling of Chain & sprockets, Bearings with Plummer Block, Supporting structure, Driven shaft with pinion etc in Traction drive mechanism in Traction drive assembly of Clarifier including transporting of Traction drive shaft & Sprocket to workshop

Renewal of Traction drive driven shaft bearings along with Plummer Block including attending minor defects in the shaft and assembling back in Traction drive assembly.

Charges for removal of worn out Traction drive wheels assembly for Mis.Clarifier-I with necessary structure supports, dismantling & cleaning of bearings and fixing of new wheels with existing shaft and bearings properly.

Charges for dismantling cleaning, inspection, renewal of bearings & other spares of flocculator drive gearbox, & reassembling checking the operation of clarifier.

Charges for fabrication of patch plate size (150mm x 100mm) 7.01 thick plate by cleaning the punctured [350NB M.S.ERW pipe] clarifier drum, aligning and patch welding. If Necessary

Charges for cutting and welding of 150mm length of angle of size 90 x 90 x 10 mm for strengthening the structure angle by cleaning, aligning and patch welding. (Angle supplied by the board.) If Necessary

Charges for cutting and welding of 150mm length of angle of size 65 x 65 x 6 mm for strengthening the structure angle by cleaning, aligning and patch welding.(Angle supplied by the board.) If Necessary

Charges for cutting and welding of 150mm length of angle of size 45 x 45 x 4 mm for strengthening the structure angle by cleaning, aligning and patch welding .(Angle supplied by the board.) If Necessary

Charges for cleaning and painting with two coat of epoxy grey for exposed to atmosphere surface of Mis. clarifier structures .

Charges for cleaning and painting with of epoxy red oxide primer and one coat of epoxy high build coal tar for immersed in water surface of Mis. Clarifier structures.

Charges for Overhauling of 600 mm size 150 /300 Class Gate valves in clarifier inlet & outlet valves of CWS including dismantling the valve, clearing all the parts checking theSeating surface and lapping the gate / seat / flap and reassembling the valve with bonnet gasket and gland packing.

Cost of Bleaching powder required for Sl.No:3 & 4.

Cost of New Bolt & nut with 2 Nos. plate washer of size M 12 X 70 mm for Sl.No:5 .

Cost of cutting gas required for Sl.No:10 to 13

Cost of Enamel grey paint for Sl.No: 14

Cost of Red oxide primer for Sl.No: 15

Cost of Epoxy High built coal tar for Sl.No: 15

Cost of Epoxy Thinner for Sl.No: 15

Cost of Consumables, Tool & plant required for the work for Sl.No:1 to 16.

M.SARAVANAN CONTRACTOR