Providing and installing of new tubewell of size 250mm id straight upto 150mtr Depth with Direct Rotary Rig Providing and installing pumping machinery providing laying MS Rising Main at waterworksSandhwal under water supply Haiipur

Amount

TUBEWELL

Tubewell of size 250 mm i/d straight upto 150 mtr. depth

Drilling of 650mm dia bore with Direct Rotary Rig in all kinds of soil including the cost of consumable stores, fuel oil and transportation of rig to site complete in all respect.

Drilling of 650mm dia bore with Direct Rotary Rig up to 150mtr. Depth BGL

Drilling of test bore hole including the rate for resistivity test to be paid only for the drilling depth if the tubewell is abandoned

In case the bore is converted into a tube-well 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.

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. Jindal/ Tata or equivalent make.

(d) 250mm nominal diameter (weight 52.3 kg per meter) 8.0mm thickness

Supplying, Fixing and lowering of Stainless Steel Cage type wire wound screen as per IS: 8110-2000 or latest ISI Marked duly welded with suitable grade SS welding electrode to lower the strainer into tubewell bore. (Johnson or equivalent make).

250 mm Stainless Steel Strainer (slot size 0.75) 7.30 mm thickness

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.

(d) 250 mm internal diameter)

Supplying, Fixing and Lowering of Stainless Steel socket as per IS 8110-2000 or latest or ISI Marked duly welded with suitable grade SS welding electrode to lower the strainer into tubewell bore complete in all respect.

(c) 250 mm internal diameter

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

a) Strainer & M.S. Pipe should be properly jointed with sockets and duly welded to ensure maximum strength of joint.

b) M.S. Flat strip of suitable size should be welded across the length of strainer to provide additional strength to the tubewell assembly.

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

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

Supplying at quarry site of gravel of 1/6" to 1/8" sizes including pouring and packing in the annual space between the pipe assembly & 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) Note: The rates including loading & unloading charges. Carriage from quarry site will be paid as per actual

Carriage of gravel

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

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

(d) 250 mm internal diameter

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

(d) 250mm internal diameter (weight 52.30 kg per meter) 8.0 mm thickness

Supplying & fixing of M.S. Clamp of size 250mm 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.

Development of stabillizing of the tubewell 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.

(b) Capacity of Air compressor 550 cfm at 600 PSI

Development of stabillizing 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.

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

GRAVEL PIT

Construction of Gravel pit outside pump chamber (0.90m dia) as per standard design and drawing of Public Health Department.

PUMPING MACHINERY

Providing & installing,testing & commisioning of 1 no electrically driven Submersible Pump set KSB / Crompton or equivalent make as per IS code capable of delivering 1280 LPM against a head of 80 mtr complete in all respects.

Providing and fixing electric pannel board consisting of electrical appliances such as star delta push button or oil imersed strarter main swtich, Volt Meter, Ampere meter, ELCB, Shunt Capacitor, Single phase preventer, indicating lamps, kit-kat etc. complete in all respects.

Provision for Providing and Lowering G.I column Pipe of IS: 1239-2004 medium class size 100 mm i/d (in 3mtr lengths each with flanges, screwed and welded on both sides) rubber gaskets, nuts and bolts complte in all respects.

Providing and fixing Submersible cable (Finolex/ Havels or equivalent make) with copper conductor PVC insulated of 10.00 mm² size as per IS694-1990 reaffirmed 2000 complete in all respect.

PIPELINE FOR PUMPING MAIN

Providing, laying fixing and testing of M.S. Pipe as per 1239 and specials such as Tees, Bends, Sockets and elbows etc. in trenches in the ground including cutting, threading and testing etc. complete.

200 mm i/d M.S. pipe

Providing and 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&costs of nuts and bolts & insertion of sheet, all carriage complete (with approval of engineer in charge)

Construction of masonry sluice valve chamber excluding Sluice valve cover as per standard design & drawings of public health department.

Size 0.9 x 0.9 Mtr.