BIFURCATION AUGMENTATION OF WATER SUPPLY SCHEME IN VILLAGE GAGG 1 NO. MH FC FROM EXISTING WATER SUPPLY SCHEME DARULI DONAL 5 NOS. BLOCK SRI ANANDPUR SAHIB DISTT. RUPNAGAR

Amount

TUBEWELL

Drilling of 400mm dia bore with Direct Rotatry Rig in all kinds of soil including the cost of consumable stores, fuel oil and transportation of rig to the site. complete in all respect. 1. Erection and dismantliing 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 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. The test bore beyond margin shall be paid at the rate of test bore drilling".

Drilling of 400mm dia bore with Direct Rotatry Rig upto 200 m depth BGL.

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

200mm nominal diameter (weight 33.6 kg per metre) 6.4mm thickness

Supplying, 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.

200mm steel stainer (Slot size 0.75 mm) 6.30mm

Supplying and fixing of bail plug of M.S. Pipe complete with inverted U-hook attached to the bottom plug complete in all respects.

200mm internal diameter (Weight 33.6 kg per meter) 8.0mm thickness.

Supplying & 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.

200mm internal diameter

Supplying and fixing M.S. Clamps 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 respects.

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 respects.

200mm internal diameter

Supplying at site wooden box of suitable size with Lid & lockign arrangement for preserving strata sample collected from the bore.

Supplying at site of gravel of 1/16" to 1/8" sizes including pouring and packing in the annular space between the pipe 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 tubewell with Air compressor or 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 550 cfm at 600 PSI

Development and stabilizing of the tubewell 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 (Physical & chemical Analysis)

Testing of water sample for heavy metel from approved laboratory (toxic material such as arsenic, lead, aluminum, cadmium, mercury, chromium, nickel and pesticides including test of uranium in water sample etc.

Making electric Logging of borehole with electronic well logger including cost of equipment at site etc.complete in all respect

Supplying at site Tibba sand etc. including pouring and packing in the annular space between the pipes assembly and the bore above clay seal complete in all respect.

Providing & Fixing Clay seal in graval pack minimum 3 Mtr. (As per BIS Code 2800:2019)

Providing & Fixing Sanitery Seal (As per BIS Code 2800:2019)

Sterilization of Well (As per BIS Code 2800:2019)

H N SINGH & COMPANY