Augmentation of water supply scheme Bakhatpur, Block Gurdaspur, Distt. Gurdaspur, (Under Nabard-XXIII) (PKG-1, TUBEWELL)

Amount

Water Supply Component

Boring with 250mm i/d casing pipe for tubewell in al soils except ordinary hard rocks requiring balsting including removing the casing pipe after the tube well is lowered and tested equipement as required such as hand boring machine and its accessory, transportation to site and vice versa etc complete in all respect.

Boring with 250mm i/d housing pipe

Supplying, lowering of mild steel pipes as per IS: 4270-2001 including MS Sockets having dimension as per IS code dully welded with MS electrode to have extra strength to lower the pipe into Tubewell Bore complete in all respects.

200mm nominal dia meter (weight 33.6kg per meter) 6.40mm thick.

Supplying,fixing & lowering of stainless steel cage type wire wound screen as per IS: 8110-2000 or latest ISI marked, dully welded with suitable grade S.S welded electrode to lower the strainer into Tube well Bore.

(200mm i/d steel strainer) (slot size 0.15mm) 6.30 mm thickness

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

Supplying and fixing of bail plug of MS pipe complete with inverted u-hock attached to the bottom plug complete in all respects

(200mm) i/d weight 33.6 kg p/m) 6.40 mm Thick.

Supplying and fixing mild steel centering guides made out of 32mm x 6mm thick M.S. bar complete in all respects.

Supplying and fixing of well cap having threads to fix on housing pipe.Complete in all respects

Supplying and fixing of mild steel clamps of size 150 mm x 12mm made out of MS Flat 1.52m) long, suitable to fit housing pipe including the cost Nut & Bolt of Suitable size complete in all respects

Supplying, lowering and fixing of MS specials sockets to connect SS Strainer to MS pipe dully welded with suitable grade welding electrode complete in all respects (200mm id)

Supplying at site wooden box of suitable size with lid and locking arrangement for preserving strata sample collected from the bore.

Testing of Water Sample for having mattled from approved laboratory (Toxic material sucha as arsenic, lead, mercury, presticide etc.)

Development and stabilizing of the tube-well with Air Compressor of required capacity as directed by the Engineer-in-charge including cost of tools appliances and consumable to the satisfaction of Engineer-in-charge.

Capacity of Air Compressor 300cfm at 250 PSI

Development and stabilizing of the tube-well with Submersible Pump of required capacity as directed by the Engineer-in-charge including the cost of tools appliances and 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)

Provision for Sanitary Clay Seal and sterilization of tubewell as per IS code : 2800-2019