MTPS I CA CWS II Dewatering complete cleaning and sludge removal Cleaning with bleaching powder including painting the structure of Clarifier III during AOH 2024 25

Amount

Charges for de-watering of clarifier, mixing the mud / fine sludge deposits with water while de-watering in clarifier of size 18 M radius x 6.5 M depth

Charges for removing sludge and other foreign particles from the clarifier of size 18 M x 6.5 M depth

Charges for cleaning the algae deposits on the side walls of both inner and outer rings of clarifier and bottom surface with coir/wire brush. Applying and cleaning with bleaching powder on both side walls of inner ring & outer rings and also at bottom surface in clarifier – III. ( Bleaching powder under contractor scope )

Charges for de-watering of sludge disposal pit, removal of sludge from sludge disposal pit, and also tunnel pipes from clarifier to sludge pit. Cleaning of algae deposits with coir / wire brush, and applying & cleaning with bleaching powder on inside walls of sludge pit and flash mixing chamber. (Bleaching powder under contractor scope )

Charges for removing the rust and old paint from the structure immersed in the water and above the water level exposed to atmosphere , RW line, exposed to atmosphere of clarifier – III

Charges for painting with one coat of rust convertor (Impodex / Impodor), one coat of epoxy red oxide primer and one coat of epoxy high build coal tar one over the other with proper intervals for clarifier structures immersed in the water and above the water level exposed to atmosphere and structure frame inside flash mixing chamber of unit – III and RW line , clarifier inner and outer ring fabricated sun shield roof structures , man hole door frames and stop log gate Frame structure.

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 G.I Bolts and nuts in the traction drive and flocculator drive in clarifier-III.

Bleaching powder For Sl.No 3&4

Cost of Rust Convertor For Sl.No 6

Cost of Epoxy red oxide primer For Sl.No 6

Cost of Epoxy Thinner For Sl.No 6

Cost of Epoxy high built coal tar For Sl.No 6

Cost of Cutting Gas For Sl.No 7

G.I. hex. bolt of size M 12 X 70 mm with nut and 2 Nos plain washer For Sl.No 7

Charges for T&P and Consumable for Sl.No. 1 to 7

SS ENGINEERING CONTRACTOR