Prov water supply scheme village RAJPUR CHIB 5 NOS BLOCK DINANAGAR DISTT GURDASPUR Under 1a iii NRDWSP PKG I Tubewell

Amount

Water Supply Component

Drilling of telescopic bore 25" (625 mm) 22" (550 mm) 18" (450mm) 16" (400 mm) 14" (350mm) diameter with percussion rig in all kinds of soil including the cost of consumable stores, fuel oil and transportation of rig to the site of the proposed bore (0 to 150mtr BGL) (For 150mm i/d straight tubewell) 1. Erection and dismantling of boring plant including all arrangement for the transportation of the boring equipment to site of work from the store of contractor at site and back are to be made by the contractor at his own cost. All rates should be quoted for supplying the material at site of work. Pits for collection of water and water for drilling tubewell to be arranged by the firm/contractor at site at his own cost. 2. In case the bore is converted into a tubewell payment of bore shall be made up to the bail plug plus margin (7% of main bore drilling or as actual as per field requirement whichever is less) required for sustaining the main bore paid at the rate of beyond margin shall be paid at the rate of test bore drilling.

Supplying, lowering of MS Pipe as per IS:4270-2001 including MS sockets having dimensions as per IS code duly welded with MS electrode to have extra strength to lower the pipe into tubewell bore.

150mm nominal diameter (weight 21.6 kg per metre) 5.4 mm thickness.

Supplying, fixing & lowering of Stainless Steel Cage type wire wound screen as per IS:8110-2000 or latest ISI marked, duly welded with suitable grade S.S. welding electrode to lower the strainer into tubewell bore.

150mm steel strainer (slot size 0.75mm) 6.3 mm thickness

Supplying, fixing and lowering of stainless steel socket as per IS 8110-2000 or latest, ISI marked duly welded with suitable grade ss welding electrode to lower the strainer into tubewell bore complete in all respect.

150mm Internal diameter

Supplying, lowering & fixing of M.S Special socket to connect S.S Strainer to M.S Pipe duly welded with suitable grade welding electrode complete in all respect.

150mm internal diameter

Supplying & fixing of M.S Clamp of size 150mm X 12mm made out of MS Flat 1.52m long, suitable to fit Housing pipe including the cost Nut & Bolts of Suitable size complete in all respect.

Supplying at site Wooden Box of suitable size with Lid & locking arrangment for preserving strata sample collected from the bore.

Supplying & Fixing of bail plug of M.S pipe complete with inverted U-hook attched to the bottom plug complete in all respect.

150mm internal diameter (weight 21.6 kg per metre) 5.4 mm thickness

Supplying & Fixing of well cap having thread to fix on housing pipe complete in all respect.

150mm internal diameter

Development and Stabilizing of the tubwell with air compressor of required capacity as directed by the engineer-in- charge including cost of tools, appliances & consumable to the satisfaction of Engineer-in-charge.

Capacity of Air compressor 300 cfm at 250 PSI

Supplying at quarry site of gravel of 1/16" to 1/8" sizes including pouring and packing in the annular space between the pipes assembly and the bore. The gravel should be free from, dust, dirt, or the vegetable manner as per IS 4097/1967 with latest amendments (to be paid as per actual length of pipe)

Development and Stabilizing of the tubwell with submersible pump of required capacity as directed by the engineer-in- charge including cost of tools, appliances & consumable to the satisfaction of Engineer-in-charge.

Collection of water sample from different strata and testing of sample from approved laboratory (Phisical & chemical Analysis)