East Central Railway Tender

Description:- Drilling And Sinking Of Deep Tubewell Of Size 250x200mm, Dia In All Classes Of Soil including Supplying And Sinking Of Standard High Density Polytheylene (upvc) Casin Pipe Of Per Is 4985 Of Sige 200mm Internal Dia In Loose Starta Extended Minimum 1m (one ) Metre Inside Hard Rock to Prevent Collapsing Of Bore. The Bottom Bore Hole Should Be Of Size 200,mm Dia Clear Internal Dia for A Minimum Defth Of 100m Below Ground Level. The Rate Shall Include Supplying And Fixing M.s.cap at Top Of Bore Well, Labour, Machinery, Materials, Consumable Item, Eading, Loading, Unloading, Lead, lift, In All Respect Complete. The Rate Shall Also Include Development Of Bore By Compressor And testing Of Yield 03 Consecutive Days For A Minimum 07 Hrs. On Each Day Continuously With Minimum 3000gph The Pump Will Be Supplied By Contractor For Testing The Yield. Note Payment Shall Be Made onlyforsuccessfulboresofanassuredwatersupplyofminimum3000gallonsperhours.for unsuccessful Bores No Payment Shall Be Made I.e. No Water No Payment Hence, While Quoting The rate. It Should Be Kept In Mind And Rate Should Include The Cost Of Sub Soil Water By Electrical resistivity Method Or Any Suitable Method Including Testing Bore Of 4.5 Inches Dia If Required. The detail Of Bore Log Should Also Be Given To The Engineer At Site.