Providing and Installing Tubewell of 200mm i/d straight upto 280 mtr. depth , Tubewell in place of failed tubewell in rural drinking water supply scheme village BHANKHER , Block Bhunerheri, District Patiala. (UNDER HEAD 4215)

Amount

TUBE WELL SIZE (200MM I/D STRAIGHT UPTO 280 MTR. DEPTH)

Drilling of 500mm dia bore with Reverse Rotary Rig in all kinds of soil including the cost of consumable sores, fuel, oil and transportation of Rig to the site. Complete in all respects. (Rate of Drilling 500mm dia is taking average only for estimation purpose.)

Drilling of 500mm dia bore with Reverse Rotary Rig upto 150m Depth BGL.

Drilling of 500mm dia bore with Reverse Rotary Rig upto 150m Depth up to 250 Mtr.

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 o/d 8.00 mm thickness (weight 41.6 kg/m)

Supplying, lowering of Stainless Steel Cage type wire wound screen as per IS:8110-2000 or latest with SS socket to connect Strainer to Strainer Duly welded with suitable grade S.S welding electrode to lower the strainer into tubewell bore

200mm SS strainer 8.00mm thickness (Slot size 0.75)

Supplying, lowering & fixing of SS Special socket as per IS 8110-2000 or latest, ISI marked duly welded with suitable grade SS welding electrode to lower strainer into tubewell complete in all respects.

200mm internal diameter

Supplying, lowering & fixing of MS Special socket to connect SS strainer to MS pipe duly welded with suitable grade welding electrode complete in all respects.

200mm internal diameter

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

Supplying and fixing M.S well cap having thread to fix on housing pipe complete in all respect

200 mm internal diameter

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

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

200mm internal diameter 8.0mm thickness.

Supplying & fixing of M.S. Clamp of size 200mm x 12mm made out of MS Flat 1.52 m long, suitable to fit Housing pipe including the cost Nut & Bolts of Suitable size complete in all respect.

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

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

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 lenght of pipe)

Development of stabilizing of the tube well 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 550 cfm at 600 PSI

Development of stabilizing of the tube well 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.

Sanitary seal in gravel pack and sterilization of the well on completion of tubewell done as per revised code of Practice for construction and testing of tubewells BIS 2800:2019. The clay seal minimum 3m.

Testing of water sample for Heavy metal from approved laboratory (Toxic material such as Arsenic, lead, mercury, pesticide Uranium etc.)

Local/ Tibba Sand

P/F Clay Seal

Pumping Machinery

Providing & Installing Testing & Commissioning of one No. Electrically driven Submersible Pumping set of (Reputed make) capable of delivering 402LPM against a head of 87mtr complete in all respects as per specifications.

PITC Electric control panel Complete as per specifications

PITC of 4.00 mm2 size incoming cable complete as per specifications

PITC of 4.00 mm2 size outgoing cable complete as per specifications

PITC of Double Flanged MS Column Pipe of 65mm i/d size approximately 3 mtr long pieces 58 mtr including specials ISI marked (Medium Class) installing complete as per specification

Providing and installing 100mm dia delivery main (From Tube well to Duck Foot bend including cost of C.I/D.F Pipes, D/F Sluice valves, D/F NRV & Specials as C.I Bends, V-Notch for V Notch houdi, Tail Piece Tees etc.. inside the pump chamber as per standard design complete in all respects as Annexure A12 – 2 & Drawings D-12 & D-17.

Credit of old Pumping set

Pumping Main

Providing, Laying fixing & Jointing of P.V.C. as per ISI:4985 (ISI Marked) with the prior approval of Engineer-in-Charge) along the trenches and laying the same in trenches to correct alignment and gradient,cutting jointing and testing complete as per specifications (excavation Mechanical).

110 o/d PVC Pipe 10kg

Providing & fixing C.I/D.I Flanged end, stem of SS (AIS 1410) and Bronze (gunmetal) working parts Sluice Valves ISI marked 14846-2000, including jointing, testing & cost of Nut, Bolt & insertion sheet, all carriage complete (with the approval of Engineer - in – charge)

Construction of masonry sluice valve chamber excluding Sluice valve cover as per standard design & drawings of public health department (2 no. each of size 0.60m x 0.60m

Chlorinator,

Providing, installing, testing & commissioning of one No. Electronically actuated, Diaphragm Operated, Metering system, Chemical Doshing Chlorinator, suitabel for delivering 0.5 to 6 Liters of Bleaching Powder Solution/ Sodium Hypo solution per hour under maximum delivery pressure upto 7 kg.cm2, and suction lift not less then 1.5, as per DWSS standard specifications.

GURSHARAN SINGH CONTRACTOR