Operation and Maintenace for one year of various sizes of pipe lines AC and uPVC of Regional Water Supply Scheme Jamba-Ghantiyali-Boongari and Aau-Moriya-Champasar originating on annual rate contract

7.1 - Maintenance of pipelines irrespective of size & material which includes Repairing of Bursts & leakages pollution control, survey & removal of choking, disconnection of illegal connections, Collection & recording minimum 10 nos. residual chlorine samples during daily supply timings, interconnections and all works related to pipeline network in existing distribution /rising main pipe lines of all sizes by digging out suitable size of pit in soft and loose soil/ hard soil including cutting of Black top, WBM & CC top of road of any size at work site. This will also include cutting of pipe ends, fixing of pipe piece with jointing material to make repair leak proof and then refilling of excavated tench / pit / road shall be done properly i.e after a layer of 20 cm with proper watering and ramming in layers. For entire job contractor will use their own T & P. Contractor with his own resources shall arrange de-watering,JCB & Tractor compressor if any and restore any amenity at his own cost damaged while performing the work in this item. The work includes daily patrolling and repair the leakages within stipulated time and complete maintenance of pipe line network of rising and distribution pipeline network within the scope of work for per km pipe line per month. Jointing material shall be provided by the department. Minimum labour for a following kms pipelines to be deployed. 1 km to 50 km - one fitter-II & one beldar 51 km to 100 km - one fitter-II & Two beldar 101 km to 200 km - Two fitter-II & Four beldar 201km to 300 km - Three fitter-II & Six beldar 301 km to 400 km - Four fitter-II & Eight beldar 401 km to 500 km - Five fitter-II & Ten beldar (177.70 Km. x 12 Month = 2132.4 )

7.5 - Daily/ periodical operation of valves at supply times for specified by department per sluice valve per month. (Valve rod and cap to be arranged by contractor)

7.5.1 - 80-300mm (34 No. x 12 Month = 408)

7.5.2 - 350mm-800mm (15 No. x 12 Month = 180)

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