REPAIR/REPLACEMENT OF STP PIPE LINES, VALVES AND OTHER CONNECTED WORKS AT AF STN AMRITSAR

Material and labour for Cleaning of Coarse Bar screen chamber of size 750X1200X450 mm as described including removal of accumulated screenings, waste, silt and other deposited materials from the coarse bar screen chamber, manual cleaning of screen bars, collection, loading, transportation of waste out outside MoD land as per State Pollution Control Board Norms,washing of the chamber with clean water including all labour, tools as directed by Engr-in-charge

Material and labour for Cleaning of Fine Bar Screen chamber of size 400X1200X450 mm as described including removal of accumulated screenings, waste, silt and other deposited materials from the coarse bar screen chamber, manual cleaning of screen bars, collection, loading, transportation of waste outside MoD land as per State Pollution Control Board Normswashing of the chamber with clean water including all labour, tools as directed by Engr-in-charge

Material and labour for Cleaning of settling chamber (Secondary clarifier) of size 1200 X 950 X 1000 mm as described including dewatering, removal of settled sludge, grit,slit and other deposit from the chamber,manual/mechanical cleaning of wall, floor,outlet, collection, loading, transportation and disposal of sludge outside MoD land as per State Pollution Control Board Norms,washing of the chamber with clean water including all labour, tools as directed by Engr-in-charge

Material and labour for Cleaning and painting of Equalization tank of size 7100 X 7100 X 2500 mm as described including dewatering, removal of settled sludge, grit,slit and other deposit, cleaning of tank floor, wall, inlet and outlet channels, washing and drying of surface,surface prparation by wire scraping to remove rust, old paint and application of one coat of epoxy primer followed by two coats of chemical resistant epoxy paint on all internal RCC walls, floor, MS surfaces,ladders,pipe supports and other steel components,collection , loading, transportation and disposal of removed sludge outside MoD land as per State Pollution Control Board Normsincluding all labour, tools as directed by Engr-in-charge

Material and labour for Cleaning and painting of MBBR tank of size 2500 X2500 X 5000 mm as described including isolation and dewatering of the tank, removal of MBBR media and storage, removal of settled sludge, biofilm deposits and settled solids, cleaning of tank floor, walls, aeration grid,screens,inlet and outlet arrangements,washing with clean water and refiling up with new filter media in layers all as per maufactures/reommendations/exsiting including testing and commissioning etc. (Media will be paid seperately under particular schedule of BOQ), surface preparation of exposed MS structures by scrapping apllication of one coat of epoxy primer followed by two coats of chemical resistant epoxy paint on all all internal RCC walls, floor, MS surfaces,ladders,pipe supports and other steel components,collection , loading, transportation and disposal of removed sludge outside MoD land as per State Pollution Control Board Norms, including all labour, tools as directed by Engr-in-charge

Material and labour for Cleaning of Tube Settler of size 5200X3000x2700 mm as described including isolation and dewatering of the tank, removal of tube settler modules,cleaning of tube media, inlet and outlet channels, sludge collection, refixing of tube settler modules, loading, transportation and disposal of removed sludge outside MoD land as per State Pollution Control Board Norms including all labour, tools as directed by Engr-in-charge

Material and labour for Cleaning and painting of Chlorine Contact tank of size 5200X1700X1500 mm as described including isolation and dewatering of the tank, removal of MBBR media and storage, removal of settled sludge, biofilm deposits and settled solids, cleaning of tank floor, walls, aeration grid,screens,inlet and outlet arrangements,washing with clean water and reinstallation of MBBR media with new (paid seperately under particular schedule of BOQ), surface preparation of exposed MS structures by scrapping apllication of one coat of epoxy primer followed by two coats of chemical resistant epoxy paint on all all internal RCC walls, floor, MS surfaces,ladders,pipe supports and other steel components,collection , loading, transportation and disposal of removed sludge outside MoD land as per State Pollution Control Board Norms including all labour, tools as directed by Engr-in-charge

Material and labour for Cleaning and painting of Chlorine Dosing tank of size 5200X1700X1500 mm as described including isolation and dewatering of the tank, removal of MBBR media and storage, removal of settled sludge, biofilm deposits and settled solids, cleaning of tank floor, walls, aeration grid,screens,inlet and outlet arrangements,washing with clean water and reinstallation of MBBR media with new (paid seperately under particular schedule of BOQ), surface preparation of exposed MS structures by scrapping apllication of one coat of epoxy primer followed by two coats of chemical resistant epoxy paint on all all internal RCC walls, floor, MS surfaces,ladders,pipe supports and other steel components,collection , loading, transportation and disposal of removed sludge outside MoD land as per State Pollution Control Board Norms including all labour, tools as directed by Engr-in-charge

(i)S & F in repair of the Chemical Dosing HDPE Tank of 200 Litres chemical dosing system complete all as specified and directed.

(ii) S & F in repair of agitators for chemical dosing pump system having 20 W Capacity, operational Voltage of 100-240V AC, pressure upto 20 bar alongwith Chemical mixed rod & Plastic Injection pipe complete all as specified and directed.