PREVENTIVE MAINT OF SEWAGE WELL AND STP INSTALLATION AT AKASH VIHAR UNDER GE (AF) SURATGARH

Dewatering the left over water from existing old sewage water storage tank of existing storage capacity , having round shape bottom plan size 5 meter and depth 15 meter, desilting, sludge, silt, all accumulated material with mud and sewage sludge from the bottom, sides, removing, cleaning, desalting, sludge, silt and all accumulated material with mud and sewage sludge from the bottom and sides from the outer perimeter of tank and depositing/spreading where directed, including preparation of surface by wire brushing and washing the surface with 2% potassium permanganate solution for disinfection and applying one coat of white wash including removal of roots and uprooting of grass etc. all around up to 3 meter from plinth of old sewage tank and removing mud and sludge out from area of sewage treatment plant complete all as specified and directed by Engr-in-charge. Note for item 1 to 10- All Safety measures like oxygen cylinders, mask, ropes etc required for the safety of workmen shall be ensured by the contractor as work has to carried out at sewage intallation specified in respestive items. Insurance of workers shall also be got done by the contractor before execution of these items. This aspect shall deemed to be included in quoted rates

Dewatering the left over water from existing still chamber and per screen chamber of existing storage capacity, having appx size 3x1.5 meter and depth 2 meter, desilting, sludge, silt, all accumulated material with mud and sewage sludge from the bottom, sides, removing, cleaning, desalting, sludge, silt, all accumulated material with mud and sewage sludge from the bottom and sides from the outer perimeter of tank and depositing/spreading where directed, including preparation of surface by wire brushing and washing the surface with 2% potassium permanganate solution for disinfection and applying one coat of white wash including removal of roots and uprooting of grass etc. all around up to 3 meter from plinth of still chamber, per screen chamber, removing mud and sludge out from area of sewage treatment plant, complete all as specified and as directed by Engr-in-charge.

Dewatering the left over water from screen chamber of existing storage capacity, having appx size 2x1.5 meter and depth 2 meter, desilting, sludge, silt, all accumulated material with mud and sewage sludge from the bottom, sides, removing, cleaning, desalting, sludge, silt, all accumulated material with mud and sewage sludge from the bottom and sides from the outer perimeter of tank and depositing/spreading where directed, including preparation of surface by wire brushing and washing the surface with 2% potassium permanganate solution for disinfection and applying one coat of white wash including removal of roots and uprooting of grass etc. all around up to 3 meter from plinth of still chamber, per screen chamber, removing mud and sludge out from area of sewage treatment plant, complete all as specified and as directed by Engr-in-charge.

Dewatering the left over water from oil & Grease chamber of existing storage capacity, having appx size 2x1.5 meter and depth 2 meter, desilting, sludge, silt, all accumulated material with mud and sewage sludge from the bottom, sides, removing, cleaning, desalting, sludge, silt, all accumulated material with mud and sewage sludge from the bottom and sides from the outer perimeter of tank and depositing/spreading where directed, including preparation of surface by wire brushing and washing the surface with 2% potassium permanganate solution for disinfection and applying one coat of white wash including removal of roots and uprooting of grass etc. all around up to 3 meter from plinth of still chamber, per screen chamber, removing mud and sludge out from area of sewage treatment plant, complete all as specified and as directed by Engr-in-charge.

Dewatering the left over water from existing equalize tank of existing storage capacity, having Appx size 3x5 meter and depth 7 metre, desalting, sludge, silt, all accumulated material with mud and sewage sludge from the bottom, sides, removing, cleaning, desalting, sludge, silt, all accumulated material with mud and sewage sludge from the bottom and sides from the outer perimeter of tank and depositing/spreading where directed, including preparation of surface by wire brushing and washing the surface with 2% potassium permanganate solution for disinfection and applying one coat of white wash including removal of roots and uprooting of grass etc. all around upto 3 metre from plinth of equalize tank, and removing mud and sludge out from area of sewage treatment plant complete all as specified and directed by Engr-in-charge.

Dewatering the left over water from MBBR of existing storage capacity, having appx size round shape bottom plan size 5 meter and depth 10 meter, desilting, sludge, silt, all accumulated material with mud and sewage sludge from the bottom, sides, removing, cleaning, desilting, sludge, silt, all accumulated material with mud and sewage sludge from the bottom and sides from the outer perimeter of tank and depositing/spreading where directed, including preparation of surface by wire brushing and washing the surface with 2% potassium permanganate solution for disinfection and applying one coat of white wash including removal of roots and uprooting of grass etc. all around up to 3 meter from plinth of tank , and removing mud and sludge out from area of sewage treatment plant complete all as specified and directed by Engr-in-charge.

Dewatering the left over water from existing Tube Settler Tank of existing storage capacity, havingappx size 8x12 meter and depth6 meter, desalting, sludge, silt, all accumulated material with mud and sewage sludge from the bottom, sides, removing, cleaning, desalting, sludge, silt, all accumulated material with mud and sewage sludge from the bottom and sides from the outer perimeter of tank and depositing/spreading where directed, including preparation of surface by wire brushing and washing the surface with 2% potassium permanganate solution for disinfection and applying one coat of white wash including removal of roots and uprooting of grass etc. all around up to 3 meter from plinth of tank , and removing mud and sludge out from area of sewage treatment plant complete all as specified and directed by Engr-in-charge.

Dewatering the left over water from existing chlorine contact tank of existing storage capacity, havingappx size 4x6 meter and depth5 meter, desalting, sludge, silt, all accumulated material with mud and sewage sludge from the bottom, sides, removing, cleaning, desalting, sludge, silt, all accumulated material with mud and sewage sludge from the bottom and sides from the outer perimeter of tank and depositing/spreading where directed, including preparation of surface by wire brushing and washing the surface with 2% potassium permanganate solution for disinfection and applying one coat of white wash including removal of roots and uprooting of grass etc. all around up to 3 meter from plinth of chlorine contect tank , and removing mud and sludge out from area of sewage treatment plant complete all as specified and directed by Engr-in-charge.

Dewatering the left over water from existing treated water tank of existing storage capacity, having appx size 4x6 meter and depth 5 meter, desalting, sludge, silt, all accumulated material with mud and sewage sludge from the bottom, sides, removing, cleaning, desalting, sludge, silt, all accumulated material with mud and sewage sludge from the bottom and sides from the outer perimeter of tank and depositing/spreading where directed, including preparation of surface by wire brushing and washing the surface with 2% potassium permanganate solution for disinfection and applying one coat of white wash including removal of roots and uprooting of grass etc. all around up to 3 meter from plinth of tank , and removing mud and sludge out from area of sewage treatment plant complete all as specified and directed by Engr-in-charge.