Construction Of 2 Nos. Tube Wells, Chavara-Kerala

Construction Of 2 Nos. Tube Wells-Transporting The Drilling Rig And Accessories To Site And Drilling Bore Holes Is All Classes Of Soil Such As, Alluvial Laterite, Hard Laterite, Lime Stone Etc. Drill A Pilot Bore Hole 250 / 200 Dia. By Direct Rotary Mud Circulation Method Using Contractor Own Drilling Rig. Sodium Bendonite Or Any Other Organic Drilling Fluid Including Supplying And Packing Good Quality Round Pebble Which Should Pass 10Mm Sieve And Should Retain In 4 To 8Mm Sieve As Per Is Standards And Packing The Same Around The Stainer Pipes As Directed By The Company Officials, Developing The Tube Well Supplying, Conveying To Site, Jointing And Lowering Position 200Mm Dia. Deep Well Upvc Plain Cd Pipe Of Is-12818 ( Jain / Bhavani Or Equivalent Make Approved By Irel ) Having Minimum 13.00Mm To 14.80Mm Wall Thickness Providing Necessary Anchorage At The Bottom Pipe Before Lowering Including Conveyance Of Pipe, Hire Charges Of Tools And Plants, Labour Charges Etc. Complete As Per Standard Specification Supplying, Conveying To Site, Jointing And Lowering In Position 200Mm Dia. Deep Well Upvc Slotted Stainer Cd Pipe Of Is-12818 ( Jain Or Equivalent Make Approved By Irel ) Having Slots About 3Mm In Width And 750Mm In Length The Slots Are V Shaped With Smaller Opening In The Outside Providing Necessary Anchorage At Bottom Pipe Before Erection Including Conveyance Of Pipes Hire Charges Of Tools And Plants Labour Charges Etc. Complete As Per Standard Specification. Supplying, Conveying To Site, Jointing And Lowering Position 450Mm Dia. ( 18 Od ) Erw Ms Pipe 6Mm Thick Or Nearest ( 6.00M Random Length ) Plain Pipe Providing Necessary Anchorage At The Bottom Pipe Before Lowering Including Conveyance Of Pipe, Hire Charges Of Tools And Plants, Labour Charges Etc. Complete Supplying, Conveying To Site And Fitting 200Mm Upvc Bail Plug With Suitable Conical Arrangement At The Bottom. Sealing The Top Of Well After Completion Of The Work Using Suitable Upvc / Ms And Proper Locking Arrangement Etc. Complete As Per Standard Specification.

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