MTPS I CA CWS-I De watering complete cleaning and sludge removal Cleaning with bleaching powder painting the structure of clarifier II during AOH 2022 23

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 of size 18 Mx6.5M depth

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, flash mixing chamber.

Charges for removing the rust and old paint from the structure immersed in the water of clarifier and above the water level exposed to atmosphere , inlet and outlet valves exposed to atmosphere of clarifier-II.

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 , inlet and out let valves valves. and clarifier inner and outer ring fabricated sun shield roof structures and man hole door frames of Clarifier– II.

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 in Misc Clarifier I & II.

Charges for renewal of M.S angle in the structure of the Traction/ Flocculater drive including removing the existing corroded / damaged and cutting the M.S.angle 45x45x5 mm size to the required size, leading , lifting, positioning & welding for Strengthening in clarifier II.(Required qty. of M.S. angle will be supplied by TANGEDCO at free of cost)

Cost of Rust Convertor for Sl.No.6

Cost of Epoxy red oxide Primer for Sl.No.6

Cost of Coal Tar Black Paint for Sl.No.6

Cost Epoxy Thinner for Sl.No.6

Cost of Stable Bleaching Powder for Sl.No.3&4

Cost of M12x70mm full thread bolt with nut and 2washers for Sl.No.7

Cost of cutting Gas for Sl.No.8

Cost of Welding electrode for Sl.No.8

Cost of Consumable and T&P for Sl.No.1to 8

PREETHI ENTERPRISES

SS ENGINEERING CONTRACTOR