PROVIDING AND INSTALLING NEW TUBEWELL IN LIEU OF OLD FAILED TUBEWELL AT WATER SUPPLY SCHEME FOR VILLAGE DHILWAN NABHA, BLOCK SEHNA, DISTRICT BARNALA

Amount

Drilling of 550 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 respect as per CSR 28.85 D-a

0 to 150 mtr

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. as per CSR 28.74-(d)

(e) 250 mm nominal diameter (weight 52.3 kg per meter) 8.00 mm thickness

(d) 200 mm nominal diameter (weight 33.6 kg per meter) 6.40 mm thickness

Providing and Fixing MS Taper/reducer made out of 6 mm thick M.S Sheet complete in all respects

Reducer 250 x 200 mm

Supplying, fixing of 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 as per CSR 28.75 A (k)

200 mm internal diameter (slot size 0.75 mm) 6.30 mm thickness

Supplying, fixing and lowering of Stainless Steel Socket 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 complete in all respect. as per CSR CSR 28.75 AA b

200 mm internal diameter

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. as per CSR 28.76 ( c)

200 mm internal diameter

Drilling trial bore using telescopic method with suitable rig to extract water samples of different strata's encountered during drilling to check water quality with respect to Physical & Chemical Analysis, Heavy Metals & Uranium etc. The payment for testing water sample will be paid extra as per the quoted rates against relevant items of this bid. However the rates includes analysis of sand of all strata from where the water sample have been collected. (It should be ensure that the water sample is collected by an officer of rank not less than SDE)

Supplying at site Wooden box of suitable size with Lid & locking arrangment for preserving strata sample collected from the bore as per CSR 28.78

Collection of water sample and after last development testing of sample from approved laboratory (Phisical & chemical Analysis) as per CSR 28.83

Supplying and fixing M.S well cap having thread to fix on housing pipe complete in all respect as per CSR 28.80 (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. 200 mm internal diameter (weight 33.6 kg per meter) 6.4 mm thickness

Supplying & fixing of M.S. Clamp of size 150 mm 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. as per CSR 28.77

Development and 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. as per CSR 28.81 (a) Capacity of Air compressor 300 cfm at 250 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. as per CSR 28.82

Supplying at 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 acual length of pipe) as per CSR 28.88

Testing of water sample for Heavy metal from approved laboratory (Toxic material such as Arsenic, lead, mercury, pesticide etc.) after Development as per CSR 28.84

Making electric Logging of borehole with electronic well logger including cost of equipment at site etc. Complete in all respect as per CSR 28.87

Supplying and fixing mild steel centering guides made out of 32 mm X 6 mm thick M.S bar complete in all respect. as per CSR 28.89

Sealing of unpotable Starta and Sanitary Seal

Providing & fixing Sanitary Seal as per BIS 2800:2019

Providing & filling Tibba Sand

Providing Fixing 3 core submersible flat cable of 6.00 mm2 (Finolex make) for submersible cable from tubewell to Pump Chamber complete in all respects.

P/F 63 mm pvc pipe for submersible cable from tubewell to Pump chamber including cost of all specials

Dismentalling & Refitting of 150mm dia delivery main (From T/w to duck foot bend) including cost of C.I. D/F pipes & specials, C.I. S.V., Non Return Valve, Double Air Valve, G.I. Pipes & specials, G.M. Peet Valve and pressure gauge etc. complete as drawing D-12 and D-17 as per analysis attached

Providing, Stringing out PVC pipes ISI Marked as per ISI-4985 (ISI marked with the prior approval Engineer-in-charge) casting along the Trenches and laying the same in Trenches To correct alignment and gradients, cutting. Jointing and testing, including mannual excavation complete including excavation as per specifications 160 mm o/d pvc pipe of 10 kg/sqcm

S KANSAL CONSTRUCTION CO

M/S Rakesh Kumar Govt. Contractor Dhuri