REHABILITATION OF WATER SUPPLY AND WATER STORAGE INFRASTRUCTURE INCLUDING WATERPROOFING TREATMENT, LEAKAGE/SEEPAGE RECTIFICICATION OF OHT, UG SUMP AND OTHER WATER RETAINING STRUCTURES AT CHAFB

M&L for seven stage cleaning and sterilization of inside the RCC/ PVC water storage tank of capacity not exceeding 500 Ltr of any description and in any position comprising following cleaning and sterilization of water tanks through bacteriological treatment by using TERBAC G5/Inchlor-5/NB-10/ TERBAC-G-65/ Inoxi-60/NB-69 AND ULTRA VIOLET RAY. Location: CHAF MAKE: RAYS CLEANTECH/ INUS WATERTECH/ SATYA ENTERPRISE OR TECHNO-COMMERCIALLY EQUIVALENT AS APPROVED BY GE (a) First Stage is to drain out the water by using exit valve or high capacity dewatering system. (b) Second stage is cleaning all the algae formation inside the tank by using TERBAC G10/ Inoxi-60/NB-69 laboratory tested branded chemical of the company and scrubbing the walls of the tanks. (c). Third strage is fresh water cleaning by high speed jet pump. (d). Fourth stage and first bacteria screening is desertification by using TERBAC-G5/ Inohor-5/NB-10 a Govt Laboratory certified brannded halogen compound or E in C approved Equivalent product (e). Fifth stage is cleaning the floor of water tank by industrial vacuum cleaner. (f) . Sixth stage is the second bacterio screening and sterilizing method by using ultra violet ray within the tank and kills all suspended bacteria. (g) Seventh stage of cleaning and third bacterial screening is to sterilize the floor of the water tank by using laboratory certified, branded strong oxidizing agent TERBAC-G65/Inoxi-60/NB-69 or E-in-C approved equivalent Product.