The work of repairing and Preventive maintenance of DI ring main,transfer main and rising pipeline, daily periodic operation of valves in supply times And other allied works inclusive of reparing material under Project Division -I South Jaipur

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)

80-300 mm

350mm-800 mm

Maintenance of pipelines irrespective of size and material which includes repairing of bursts and leakages, pollution control, survey and removal of choking, disconnection of illegal connections, collection and recording minimum 10 nos. residual chlorine samples during daily supply timings, interconnections and all works related to pipeline network in existing distribution/ rising main pipelines of all sizes by digging out suitable size of pit in soft and loose soil/ hard soil including cutting of black top, WBM and CC top of road of any size at work site. This will also include cutting of pipe ends, fixing of pipe piece with jjointing 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 and 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 pipeline network of rising and distribution pipeline network within the scope of work for per km pipeline per month. Jointing material shall be provided by the department. Minimum labour for a following kms pipelines to be deployed:

101 km to 200 km - two fitter-II & four beldar

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)

Providing and fixing of flanged/ plain ended MS Specials made from MS sheet strips of relevant IS specification of approved thickness by welding, lowering, laying, aligning, fixing in position at all level/ depths in trenches complete including all taxes, material, labour, inside lining, outside coating, testing and commissioning along with pipe line as per technical specifications and direction of Engineer-in-charge

MS pipe specials up to 600mm dia (with minimum 5mm thickness sheet)