REPAIR REPLACEMENT AND MAINTENANCE OF EXTERNAL WATER DISTRIBUTION OLD AND DEFECTIVE AND IMPROVEMENT OF CI GI DI PIPE LINE AND ALLIED WORKS CLEANING AND SANITIZATION OF UNDER GROUND OVER HEAD WATER RESERVOIR SEMI UG SUMPS SERVICE TANK INCLUDING CONNEC

M&L for seven stage cleaning and sterilization of inside the RCC/ Steel Underground/semi underground/Over head/Sedmentation/clear water sumps of capacity UG sump reservoir 50000 gallons through bacteriological treatment by using sulitable chemicales approved by Govt auth lab AND ULTRA VIOLET RAY, thorough specilized agency Rays Cleantech/INUS watertech/Satya Enterprises . Seven stages are as under plants:- (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 a 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 decertification by using brannded halogen compound. (e). Fifth stage is cleaning the floor of water tank by industrial vaccum cleaner. (f) . Sixth stage is the second bacterio screening and sterilizing method by using ultra violet ray within the tnk and kills all suspended bacteria. (g) Seventh stage of cleaning and third bacteria screening is to sterilize the floor of the water tank. NOTE:-(i) company will submit government laboratory test certificate of terbac-g5/inchor-5/nb-10, terbac-g65/ inoxii-60/nb-69, before cleaning, mentioning the date of cleaning . All the cleaning & sterilization staffs should be under accidental insurance coverage.) (ii) outlet pipe of oht should be plugged before cleaning the oht to avoid.entering scals and the same shell be reconnected after cleaning the oht and the quoted rate is deemed to include for the rovision . Note:-NOTE :The above work will be either carried out in above seven stage or as directed and specified by Engr -in- charge.

All as per ser item No 1 above but for of inside UG sump reservoir capacity 40000 gallons through bacteriological treatment by using sulitable chemicales approved by Govt auth lab, thorough specilized agency AND ULTRA VIOLET RAY.

All as per ser item No 1 above but for of inside UG sump reservoir capacity 20000 gallons through bacteriological treatment by using sulitable chemicales approved by Govt auth lab, thorough specilized agency AND ULTRA VIOLET RAY.

All as per ser item No 1 above but for of inside UG sump reservoir capacity 10000 gallons through bacteriological treatment by using sulitable chemicales approved by Govt auth lab, thorough specilized agency AND ULTRA VIOLET RAY.

All as per ser item No 1 above but for of inside UG sump reservoir capacity 100000 gallons through bacteriological treatment by using sulitable chemicales approved by Govt auth lab, thorough specilized agency AND ULTRA VIOLET RAY.

All as per ser item No 1 above but for of inside UG sump reservoir capacity 20000 ltrs through bacteriological treatment by using sulitable chemicales approved by Govt auth lab, thorough specilized agency AND ULTRA VIOLET RAY.

All as per ser item No 1 above but for of inside the RCC/ PVC water storage tank of capacity upto 5000 Ltr through bacteriological treatment by using sulitable chemicales approved by Govt auth lab, thorough specilized agency AND ULTRA VIOLET RAY.

Exacavation in trenches n etc. 1.5m wide n exc 1.5m depth and getting out in hard/dense soil including trimming bottom surface to require level and shape all as specified and directed by Engg-in-charge for laying of pipes. NOTE:- Taking up pipe with fitting,special valves ect from trench shall be measured and paid separately.

Returning , filling in including spreading, levelling , watering & well ramming in layers n.exc 25cm including making good disturbed surface to original levels complete all as specified.

Removal of exacavation material to a distance n exc 50m and depositing where directed at a level not exceeding 1.5m above the starting point complete all as specified.