WSS Hirdapur TW

Tubewell

Drilling of 650 mm dia bore with reverse rotary rig in all kinds of soil including the cost of consumable stores, fuel oil and transportation of rig to the site. Complete in all respects.

Drilling of 650mm dia bore with reverse rotary rig upto 150 mtr depth BGL.

Drilling of 650mm dia bore with reverse rotary rig beyond 150 mtr depth upto 300 mtr depth

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 tube-well be arranged by the firm/ contractor at site at his own cost.

2. 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.

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

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.

200mm Nominal Diameter (Weight 41.6 kg/mtr) 8.00mm Thickness

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 internal diameter (slot size 0.75mm) 8.00 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.

200mm Internal Diameter

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 41.6kg/m) 8.0 mm thickness

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

200mm 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 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)

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

Testing of water sample for 8 Nos.Heavy metal from approved laboratory (Aluminium, selemium, cadmium, chromium, lead, mercury, arsenic, nickel, pesticide etc.) and testing of uranium from DWSS Lab (RAWTL Mohali)

Development and Stabilizing 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.

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.

RISING MAIN

Providing, Laying, fixing & jointing of PVC pipes as per ISI-4985 (ISI marked with prior approval of Engineer-in-charge) along the Trenches and laying the same in Trenches to correct alignment and gradients, cutting, jointing and testing complete as per specifications including excavation & back filling as per analysis A 14 complete in all respects.

110mm o/d PVC Pipe of 10kg/Sqm2

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)

Providing, Fixing & jointing Cast Iron Surface box for Sluice Valve, Air Valve, Fire hydrant etc. including all carriages complete @ 3Kg Each (2x3kg = 6kg)

Construction of masonry sluice valve chamber excluding Sluice valve cover as per standard design & drawings of public health department (size 0.9m x 0.9m)

Connection of new rising main with existing rising main comlete in all respects.

Construction of Gravel Pit outside the Pump Chamber. (0.90m Dia.) as per standard design & drawings of public health department.

Chlorinator

Prov. Installing, testing & commissioning one No. Electronically actuated, Diaphragm Operated, Metering System, Chemical Dosing Chlorinator ,suitable for delivering 0.5 to 6 Litres of Bleaching Powder Solution/Sodium Hypo solution per hour under maximum delivery pressure up to 7 Kg.cm2, and suction lift not less than 1.5 m, as per DWSS. standard specifications.

Submerssible Cable for Pumping Machinery

Providing and fixing of submerssible of 6mm² core cable, complete in all respect. (60 Mtr. from Pump Chamber to New Tubewell)

DHARMINDER KUMAR