MAINT CLEANING OF SEDIMENTATION TANK FILTER TANK OVERHEAD TANKS LOCATED AT VARIOUS LOCATION AT AF STN SINGARSI UNDER AGE I AF SINGARSI

Amount

M&L for seven stage cleaning and sterilization of inner surface of UG Sump of capacity 1 Lakh Gallon installed at various pump installations (Near 1 Lakh gln pump house) through bacteriological treatment by using TERBAC G5, TERBAC-G65, Ultraviolet ray or equivalent. Seven stages are as under :- (a) First stage is to drain out the water by using exit valve or using high capacity dewatering system. (b) Second stage is cleaning all the algae formation inside the tank by using TERBAC G5 or equivalent laboratory tested branded chemical of the company and scrubbing the wall of the tanks. (c) Third stage is fresh water cleaning by high speed jet pump. (d) Fourth stage and first bacteria screening is decertification by using TERBAC-G5 or equivalent Govt Laboratory certified branded halogen compound. (e) Fifth stage is cleaning the floor of the water tank by industrial vaccum cleaner. (f) Sixth stage is the second bacteria screening and sterilzing method by using ultra violet ray with in the tank and kills all suspended bacteria. (g) Seventh stage is cleaning and third bacteria screening is to sterilize the floor of the water tank by laboratory certified branded strong oxidizing agent TERBACG65 or equivalent. (h) Cleaning of external surfaces, lid wall of the tank, structure for all scales and other particles any algae, hives and any type of vegetaion or any other unwanted matters, scraping of old paint and painting with two coats of cement based water proof apex paint complete all as directed. (j) A sticker of appropriate size and colour as directed by Engr in Charge and non degradeable material with printed details as under :- Date of Cleaning and Expiry date will be written.

M&L for seven stage cleaning and sterilization of inner surface of Settling tank (Sedmintation tank) of capacity 100000 Gallon installed at booster punp house through bacteriological treatment by using TERBAC G5, TERBAC-G65, Ultraviolet ray or equivalent. Seven stages are as under :- (a) First stage is to drain out the water by using exit valve or using high capacity dewatering system. (b) Second stage is cleaning all the algae formation inside the tank by using TERBAC G5 or equivalent laboratory tested branded chemical of the company and scrubbing the wall of the tanks. (c) Third stage is fresh water cleaning by high speed jet pump (d) Fourth stage and first bacteria screening is decertification by using TERBAC-G5 or equivalent Govt Laboratory certified branded halogen compound. (e) Fifth stage is cleaning the floor of the water tank by industrial vaccum cleaner (f) Sixth stage is the second bacteria screening and sterilzing method by using ultra violet ray with in the tank and kills all suspended bacteria. (g) Seventh stage is cleaning and third bacteria screening is to sterilize the floor of the water tank by laboratory certified branded strong oxidizing agent TERBACG65 or equivalent. (j) A sticker of appropriate size and colour as directed by Engr in Charge and non degradeable material with printed details as under :- Date of Cleaning and Expiry date will be written. (k) Painting of raising main, distribution, wash out and overflow pipes with suitable colour coding.

M&L for seven stage cleaning and sterilization of inner surface of Storage tank of capacity 100000 Gallon installed at booster pump house through bacteriological treatment by using TERBAC G5, TERBAC-G65, Ultraviolet ray or equivalent. Seven stages are as under :- (a) First stage is to drain out the water by using exit valve or using high capacity dewatering system. (b) Second stage is cleaning all the algae formation inside the tank by using TERBAC G5 or equivalent laboratory tested branded chemical of the company and scrubbing the wall of the tanks. (c) Third stage is fresh water cleaning by high speed jet pump (d) Fourth stage and first bacteria screening is decertification by using TERBAC-G5 or equivalent Govt Laboratory certified branded halogen compound. (e) Fifth stage is cleaning the floor of the water tank by industrial vaccum cleaner (f) Sixth stage is the second bacteria screening and sterilzing method by using ultra violet ray with in the tank and kills all suspended bacteria. (g) Seventh stage is cleaning and third bacteria screening is to sterilize the floor of the water tank by laboratory certified branded strong oxidizing agent TERBACG65 or equivalent. (j) A sticker of appropriate size and colour as directed by Engr in Charge and non degradeable material with printed details as under :- Date of Cleaning and Expiry date will be written. (k) Painting of raising main, distribution, wash out and overflow pipes with suitable colour coding.

M&L for seven stage cleaning and sterilization of inner surface of UG Sump of capacity 50000 Gallon installed at various pump installations through bacteriological treatment by using TERBAC G5, TERBAC-G65, Ultraviolet ray or equivalent. Seven stages are as under :- (a) First stage is to drain out the water by using exit valve or using high capacity dewatering system. (b) Second stage is cleaning all the algae formation inside the tank by using TERBAC G5 or equivalent laboratory tested branded chemical of the company and scrubbing the wall of the tanks. (c) Third stage is fresh water cleaning by high speed jet pump (d) Fourth stage and first bacteria screening is decertification by using TERBAC-G5 or equivalent Govt Laboratory certified branded halogen compound. (e) Fifth stage is cleaning the floor of the water tank by industrial vaccum cleaner (f) Sixth stage is the second bacteria screening and sterilzing method by using ultra violet ray with in the tank and kills all suspended bacteria. (g) Seventh stage is cleaning and third bacteria screening is to sterilize the floor of the water tank by laboratory certified branded strong oxidizing agent TERBACG65 or equivalent. (j) A sticker of appropriate size and colour as directed by Engr in Charge and non degradeable material with printed details as under :- Date of Cleaning and Expiry date will be written. (k) Painting of raising main, distribution, wash out and overflow pipes with suitable colour coding.

M&L for seven stage cleaning and sterilization inside the existing RCC overhead tank of capacity 100000 Gallon through bacteriological treatment by using E-inCs Branch approved chemical as recommended by Engr-in-Charge and Ultra Violet radiation at installed at pump house installations at any height (as per site requirement) including suitable staging seven stage are as under : (a) First stage is to drain out the water by using exit valve or using high capacity dewatering system. (b) Second stage is cleaning all the algae formation inside the tank by using TERBAC G5 or equivalent laboratory tested branded chemical of the company and scrubbing the wall of the tanks. (c) Third stage is fresh water cleaning by high speed jet pump (d) Fourth stage and first bacteria screening is decertification by using TERBAC-G5 or equivalent Govt Laboratory certified branded halogen compound. (e) Fifth stage is cleaning the floor of the water tank by industrial vaccum cleaner (f) Sixth stage is the second bacteria screening and sterilzing method by using ultra violet ray with in the tank and kills all suspended bacteria. (g) Seventh stage is cleaning and third bacteria screening is to sterilize the floor of the water tank by laboratory certified branded strong oxidizing agent TERBACG65 or equivalent. (h) Cleaning of external surfaces, lid wall of the tank, structure for all scales and other particles any algae, hives and any type of vegetaion or any other unwanted matters, scraping of old paint and painting with two coats of cement based water proof apex paint complete all as directed. (j) A sticker of appropriate size and colour as directed by Engr in Charge and non degradeable material with printed details as under :- Date of Cleaning and Expiry date will be written. (k) Painting of raising main, distribution, wash out and overflow pipes with suitable colour coding. Note : All safety equipments required and necessary insurance for safey of working labour to execute the work is responsible of the contactor.

M&L for cleaning and sterilization of inner surface of pressure califier tank of capacity 10000 Gallon per hour installed at booster punp house through bacteriological treatment, through water pressure filter cleaning and replacing of filter media all complete all as directed by Engr-in-Charge. (a) First stage is to drain out the water by using exit valve or using high capacity dewatering system. (b) Second stage is cleaning all the algae formation inside the tank by using TERBAC G5 or equivalent laboratory tested branded chemical of the company and scrubbing the wall of the tanks. (c) Third stage is fresh water cleaning by high speed jet pump (d) Fourth stage and first bacteria screening is decertification by using TERBAC-G5 or equivalent Govt Laboratory certified branded halogen compound. (e) Fifth stage is cleaning the floor of the water tank by industrial vaccum cleaner (f) Sixth stage is the second bacteria screening and sterilzing method by using ultra violet ray with in the tank and kills all suspended bacteria. (g) Seventh stage is cleaning and third bacteria screening is to sterilize the floor of the water tank by laboratory certified branded strong oxidizing agent TERBACG65 or equivalent. (h) Cleaning of external surfaces, lid wall of the tank, structure for all scales and other particles any algae, hives and any type of vegetaion or any other unwanted matters, scraping of old paint and painting with two coats of cement based water proof apex paint complete all as directed. (j) A sticker of appropriate size and colour as directed by Engr in Charge and non degradeable material with printed details as under :- Date of Cleaning and Expiry date will be written. (k) Painting of raising main, distribution, wash out and overflow pipes with suitable colour coding. Note : All safety equipments required and necessary insurance for safey of working labour to execute the work is responsible of the contactor.

M/S SINGH ENTERPRISE (BID ID -3123197)

DANATION CONSTRUCTIONS (BID ID -3124415)

M/S MBS TRADING CO (BID ID -3120511)

LALAN SHARMA (BID ID -3120923)

M/S New Builders Corporation (BID ID -3129334)

M/S AMARNATH AGARWALLA (BID ID -3121830)