CLEANING SANITIZING AND MAINTENANCE OF OH TANKS RESERVOIRS UG SUMPS SWIMMING POOL FILTRATION PLANT AND CONNECTED WORKS UNDER GE NARANGI

Material and labour for seven stage cleaning and sterilization of inside of overhead RCC tank at C block MD Accn Area of capacity 2.00 Lakh Gallon through bacteriological treatment by using chemical as approved by E-in-c's Branch or as recommended by GE and ultra voilet ray including arrangement of necessary tools & plants, labour etc complete all as specified and as directed. Seven stages are as under follows :- (a) First stage is to drain out the water by using exit valve or own high capacity dewatering ststem. (b) Second stage is cleaning all the algae fromation inside the tank by using approved chemical as recommended by GE including scrubbing the walls of the tank. (c) Third stage is scrubbing the wall with mechanical scrubber and fresh water cleaning by high speed jet pump (rotary & flat) to remove all scalling, algae and other formed particles on internal surface of the tank completely. (d) Forth stage and first bacteria screening is sterilization by using approved chemical as recommended by GE. (e) Fifth stage is cleaning the floor of the water tank by heavy duty industrial vacuum cleaner and sludge sucker having maximum 1200W with sutable heavy duty rugged motor to free of any foreign and loose particles on any nature. (f) Sixth stage is the second bacteria screening and sterilizing method by using ultra violet ray by heavy duty UV radiation which shall have covering 360 degree of sterilization with the tank to kill all suspended bacteria. (g) Seventh stage of cleaning and third bacteria screening is to sterilize the floor and wall of the water tank by using oxidizing agent Bleaching powder or equivalent non- toxic bio- degradable eco friendly anti bacterial agent certified by Govt approved laboratory to disinfect the over head tank from all harmful pathogens complete all as specified and directed .

All as per item No. 1 Above but at 'B' block MD Accn area ( Havalder Pump House), of capacity 1.00 Lakh gallon.

All as per item No. 1 Above but at 'B' block MD Accn area ( Havalder Pump House), 21 BIHAR & 14 FAD OTM of capacity 0.50 Lakh gallon.

All as per item No. 1 Above but at ' Jintu Vihar MD Accn area of capacity 1.00 Lakh gallon.

All as per item No. 1 Above but at 'Phase-II MD Accn area of capacity 1.00 Lakh gallon.

All as per item No. 1 Above but at '17 CZW' area of capacity 1.00 Lakh gallon

All as per item No. 1 Above but at 'Phase-II MD Accn area & 222 ABOD OTM of capacity upto 0.25 Lakh gallon.

All as per item No. 1 Above but at 'ABOD OTM Accn area of capacity 1.00 Lakh gallon.

Material and labour for seven stage cleaning and sterilization of inside of overhead pressed steel tank at Ph-II MD Accn Area of capacity 0.75 Lakh Gallon through bacteriological treatment by using chemical as approved by E-in-c's Branch or as recommended by GE and ultra voilet ray including arrangement of necessary tools & plants, labour etc complete all as specified and as directed. Seven stages are as under follows :- (a) First stage is to drain out the water by using exit valve or own high capacity dewatering ststem. (b) Second stage is cleaning all the algae fromation inside the tank by using approved chemical as recommended by GE including scrubbing the walls of the tank. (c) Third stage is scrubbing the wall with mechanical scrubber and fresh water cleaning by high speed jet pump (rotary & flat) to remove all scalling, algae and other formed particles on internal surface of the tank completely. (d) Forth stage and first bacteria screening is sterilization by using approved chemical as recommended by GE. (e) Fifth stage is cleaning the floor of the water tank by heavy duty industrial vacuum cleaner and sludge sucker having maximum 1200W with sutable heavy duty rugged motor to free of any foreign and loose particles on any nature. (f) Sixth stage is the second bacteria screening and sterilizing method by using ultra violet ray by heavy duty UV radiation which shall have covering 360 degree of sterilization with the tank to kill all suspended bacteria. (g) Seventh stage of cleaning and third bacteria screening is to sterilize the floor and wall of the water tank by using oxidizing agent Bleaching powder or equivalent non- toxic bio- degradable eco friendly anti bacterial agent certified by Govt approved laboratory to disinfect the over head tank from all harmful pathogens complete all as specified and directed .

All as per item No. 9 Above but at 41 Veh Coy of capacity 0.072 Lakh gallon capacity.