Providing Drilling Crew And Other Allied Works For Construction Of Tube Well ( 250Mm X150...

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Providing Drilling Crew And Other Allied Works For Construction Of Tube Well ( 250Mm X150mm X 245 Mtrs. Depth ) By Utilising Departmental Machineries For Bhoir W / S Scheme ( Tw-Ii ) , Banshihari Blockunder Dakshin Dinajpur District, Central Drilling Division, P.H.E. Dte.- 1 Boringby Utilizing Departmental Drilling Rig, Compressor And Pump Unit ( 445 Mm Drill Bit For Direct & 559 Mm Drill Bit For Reverse ) For Following Boring Depth ( The Cost Involves Site Preperation, Temporary Latrine, Placement And Levelling Of Rig Machinne, Pilot Boring With 9 7 / 8" Bit Follwed By Reaming With 12 1 / 4" , 15" And 17.5" Dia Bit, Fitting , Fixing , Jointing / Welding Of Tubewell Assembly, Lowering, Shrowding, ) As Per Specification Of Nit. 2 Upto 60 Mtr Depth. 3 Above 60 Mtr Upto 120 Mtr Depth. 4 Above 120 Mtr Upto 180 Mtr Depth. 5 Above 180 Mtr Upto 240 Mtr Depth. 6 Above 240 Mtr Upto 245 Mtr Depth. 7 Mobilisation Of All Machineries & Accessories Including Loading & Unloading From One Site To Another Drilling Site After Winding Up Of All Machines On Completion Of Drilling. 8 Upto 60 Km 9 From 60 Upto 80 Km 10 From 80 Upto 500 Km 11 Electrical Logging In The Bore Hole. 12 Supply And Delivery Of Upvc Casing Pipe, Tube Well Specials At Site.Make- Jisl / Long Last / Oriplast / Any Other Approved Make Of The Following Specifications : 13 Upvc Cm Casing Pipe Conforming To Is 12818:2010 ( Cipet Certified ) 14 250 Mm Nominal Dia. 15 150 Mm Nominal Dia. 16 Upvcmedium Well Screen ( Rms ) Pipes With Ribs Conforming To Is 12818:2010 ( Cipet Certified ) 17 150 Mm Nominal Dia. 18 Reducer Set ( Upvc ) 19 250Mm X 150 Mm Dia. ( 250Mmx200mm-1 No & 200Mm X150mm-1 No ) 20 Threaded End Cap ( Upvc ) 21 250 Mm Dia. 22 150 Mm Dia. 23 Chemical And Biological Testing Of Water Sample Including The Cost Of Collection, Carrying To Designated Phe / Other Laboratories And Submission Of Report In Triplicate As Per Direction Of Eic. 24 Development Of Tubewell By Air Compressor Including Supply Of Fuel Etc Necessary For Running The Air Compressor. 25 Yield Testing Of Tubewell By Bht Pump & Generator Unitincluding Supply Of Fuel Etc Necessary For Running The Generator Unit. 26 Providing Wased Gravels ( Size 1.80 Mm To 4.74 Mm ) Within A Radius Of 200Km With Loading And Unloading. 27 Providing Bentonite Powder Within A Radius Of 150 Km. 28 Supply And Delivery Of Brick Bats. 29 Additional Transport Of Washed Gravels Beyond 200Km. ( For 30M3 @1 M3=1.68Mt ) 30 200Km Upto 250 Km 31 250Km Upto 300 Km 32 300Km Upto 400 Km 33 400Km Upto 500 Km

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