CLEANING OF OVERHEAD TANKS AND MAINTENANCE OF CHLORINE DOZING PUMP AND CONNECTED WORKS AT BINNAGURI AND TELEPARA PUMP HOUSE UNDER GE S BINNAGURI

M &L for cleaning of RCC overhead tank (inside) Draining out of entire water from OH reservoir 1,50,000 gallon capacity at 18-21 Mtr stagging by opening of wash out valve after blocking the delivery mains of each of the two compartments with gunny bags or other suitable arrangement and taking out all the accumulated silt/spoils etc from the base and walls of both the compartments of reservoir completely and depositing it 50 Mtr away from the reservoir scrubbing and removing the scaling deposit from the inner surface of the reservoir and washing properly with bleaching powder mixed with water (1:10) and applying two coats of quick drying lime wash on inner side, top and bottom surfaces. Removing blockage of the delivery mains including writing date of cleaning with white paint on black painted surface at one place and painting to the inner steel ladder of tank with 2 coats of synthetic enamel paint over a coat of red oxide primer complete all as specified and directed. Notes for Item No 1 to 14 :- (a) All necessary T & P, labours and materials will be arranged by the contractor. (b) The above process of cleaning the tanks shall have to be completed by the contractor in max of one day each. (c) The quoted rates shall deemed to include for use of scaffolding, ladders etc as required for the entire completion of work. (d) Protective measures and insurance of labors working at relative height shall be the sole responsibility of the contractor and rates quoted shall be deemed to include for the same. (e) The quoted rates are deemed to inclusive of writing " TANK CLEANED ON ______" (of 75mm height & 10mm width) with synthetic enamel paint at one place on each tank. (g) Gap between consequtive cleaning of tank shall be minimum Six months. (h) 50% Number of tank cleaning should be completed within three months from the date of commencement of work.

all as per item No. 1 above but 1,00,000 gallon capacity .

all as per item No. 1 above but 50,000 gallon capacity .

all as per item No. 1 above but 30,000 gallon capacity .

all as per item No. 1 above but 25,000 gallon capacity .

M &L for cleaning of Steel overhead tank (inside) Draining out of entire water from OH reservoir 50000 Ltr capacity at 8 Mtr stagging by opening of wash out valve after blocking the delivery mains of compartment with gunny bags or other suitable arrangement and taking out all the accumulated silt/spoils etc from the base and walls of compartment of reservoir completely and depositing it 50 Mtr away from the reservoir scrubbing and removing the scaling deposit from the inner surface of the reservoir and washing properly with bleaching powder mixed with water (1:10) and applying two coats of solvent free epoxy coating of food grade on inner side, top and bottom surfaces. Removing blockage of the delivery mains including writing date of cleaning with white paint on black painted surface at one place and painting to the inner steel ladder of tank with 2 coats of synthetic enamel paint over a coat of red oxide primer complete all as specified

all as per item No. 6 above but 30000 Ltr capacity.

all as per item No. 6 above but 25000 Ltr capacity.

all as per item No. 6 above but 15000 Ltr capacity.

all as per item No. 6 above but 14000 Ltr capacity.