Repair and Preventive Maintenance of pipelines (leakages and Pollution control), Valve operation in Shastri Nagar under City Sub Dn-V (North), Jaipur

Maintenance of pipelines irrespective of size & material which includes Repairing of Brusts & leakages, Pollution control, survey & removal of choking, disconnection of illegal connections, Collection & recording daily minimum 10 nos. residual chlorine samples during supply timings, interconnections & 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 includes cutting of pipe ends, fixing of pipe piece with jointing material to make repair leak proof and refilling of pit by excavated sand by ramming it at sides of pipes and upto ground level. For entire job contractor will use their own T&P. Contractor with his own resources shall arrange de-watering, JCB, TRACTOR COMPRESSOR if reqired 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 LINE PER MONTH (101km to 200 Km-(Shastri Nagar) 104 Km.

Daily/Periodical operation & Maintenance of Valves at supply supply times specified by Department. (Valve rod and cap to be arranged by contractor 1. 80-300 mm 81 nos for 12 Months

350- to 800 mm 17 Nos for 12 Months

Providing and laying in position cement concrete in specified grade over prepared base course complete including finishing, curing, all material, labour, machinery, lighting, guarding for road restoration work in trenches of pipe line and chamber work. Measurement for CC work to be made as per standard trench width specified in tender document and no extra payment shall be made be made for trench width more than specified, complete work as per technical specification and scope of work. M20 grade Nominal Mix 1: 1.5: 3 (1 cement : 1.5 coarse sand : 3 graded stone aggregate 20mm nominal size).

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