LEAKAGE AND BRUST REPAIRING OF PIPELINE AND WATER SUPPLY FROM OHSR TO VARIOUS VILLAGES AND DHANIES ORIGINATING FROM KALI DOONGRI PUMPING STATIONS INCLUDING ALL TYPE OF PREVETIVE AND BREAK DOWN MAINTENACNE OF PIPE LINES, FOR THE CLUSTER UNDER FCP ARAI

PART-A

Repairing of leakage in existing Distribution/Rising Main/Transmission Main AC/PVC/HDPE pipe line up to 1.5 mtr depth of sizes as given below by digging out suitable size of pit at site of work including taking out the burst pipe from trench, dewatering and providing adequate safety arrangement at site. This will also include cutting of pipe ends, fixing of pipe piece with jointing material, tightening of CID Joints to make repair leak proof and then refill the pit from excavated sand by ramming it at sides of pipe & upto ground level for entire job contractor will use his own T&P & labour and will arrange transportation of material required from Jen store. (Required material such as pipe piece, CID Joints shall be provided by Department free of cost)

In all type Soil AC/PVC/HDPE pipe

Repairing of leakage in existing Distribution/Rising Main/Transmission Main CI/MS/DI pipe line up to 1.5 mtr depth of sizes as given below by digging out suitable size of pit at at site of work including taking out the burst pipe from trench, dewatering and providing adequate safety arrangement at site. This will also include cutting of pipe ends, fixing of pipe piece with jointing material, tightening of CID Joints to make repair leak proof and then refill the pit from excavated sand by ramming it at sides of pipe & upto ground level for entire job contractor will use his own T&P & labour and will arrange transportation of material required from Jen store. (Required material such as pipe piece, CID Joints shall be provided by Department free of cost)

In all type Soil

Minor repair of leakages such as lead caulking, plugging, clamping and ring fixing in existing Distribution/Rising Main/Transmission Main AC/PVC/HDPE/CI/MS/DI pipe line up to 1.5 mtr depth of sizes as given below by digging out suitable size of pit at site of work including dewatering and providing adequate safety arrangement at site to make repair leak proof and then refill the pit from excavated sand by ramming it at sides of pipe & upto ground level for entire job contractor will use his own T&P & labour and will arrange transportation of required material from store. (Required material such as lead wool, white hump, plugs, clamps etc. shall be provided by Department free of cost)

In all type Soil

Replacement of CI/ DI Double flange sluice valves,non return valves,butter fly valves etc. in existing Distribution/Rising Main/Transmission Main pipe line up to 1.5 mtr depth of sizes as given below by digging out suitable size of pit at site of work including providing and fixing MS Nut and Bolt and rubber gasket, dewatering and providing adequate safety arrangement at site and then refill the pit from excavated sand by ramming it at sides of pipe & upto ground level for entire job contractor will use his own T&P & labour and will arrange transportation of required material from store. (Required material such as Valve, Tail piece, CID Joints etc. shall be provided by Department free of cost)

In all type Soil

Removal of Choking from pipe line, including tree roots, malba, sand and other by manually or other means, cleaning of line and testing in existing Distribution/Rising Main/Transmission Main AC/PVC/HDPE/uPVC pipe line up to 1.5 mtr depth of sizes as given below by digging out suitable size of pit at site of work including dewatering and providing adequate safety arrangement at site. This will also include cutting of pipe ends, fixing of pipe piece with jointing material and then refill the pit from excavated sand by ramming it at sides of pipe & upto ground level for entire job contractor will use his own T&P & labour and will arrange transportation of required material from store. (Required material such as pipe piece CID Joints shall be provided by Department free of cost)as per satisfaction of EIC. Rates for per pit.

In all type Soil

Removal of Choking from pipe line, including tree roots, malba, sand and other by manually or other means, cleaning of line and testing in existing Distribution/Rising Main/Transmission Main CI/MS/DI pipe line up to 1.5 mtr depth of sizes as given below by digging out suitable size of pit at site of work including dewatering and providing adequate safety arrangement at site. This will also include cutting of pipe ends, fixing of pipe piece with jointing material and then refill the pit from excavated sand by ramming it at sides of pipe & upto ground level for entire job contractor will use his own T&P & labour and will arrange transportation of required material from store. (Required material such as pipe piece CID Joints shall be provided by Department free of cost)as per satisfaction of EIC. Rates for per pit.

In all type Soil

Disconnection of water connection or Illigal connection from existing pipe line up to 1.5 mtr depth by digging out suitable size of pit at site of work, with cutting of service line and refixing of clamp revolving it 180 degree refill the pit from excavated sand by ramming it & upto ground level for entire job contractor will use his own T&P & labour.

in all type of soils

Labour charges for removal of complaint of polluted water supply to the consumers

Survey of the locality of polluted water supply for preliminary assessment of source of pollution during supply hours

Labour charges for digging of pit of suitable size for removal of water pollution on existing distribution AC/PVC/uPVC/HDPE pipe lines up to 1.5 mtr depth including cutting of pipe and assessment of direction of flow of polluted water during non supply hours, identifying the source of pollution and repairing of fault in pipe line by fixing of pipe piece with jointing material (pipe and jointing material shall be supplied by department) to make it leak proof and then refilling the pit from excavated sand by ramming it at site of pipe upto ground level. The rate includes all labour charges to complete the work for pipe size

In all type Soil

Labour charges for digging of pit of suitable size for removal of water pollution on existing distribution CI/DI/MS pipe lines up to 1.5 mtr depth including cutting of pipe and assessment of direction of flow of polluted water during non supply hours, identifying the source of pollution and repairing of fault pipe line by fixing of pipe piece with jointing material (pipe and jointing material shall be supplied by department) to make it leak proof and then refilling the pit from excavated sand by ramming it at site of pipe upto ground level. The rate includes all labour charges to complete the work for pipe size

In all type Soil

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)

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