Providing Bore Wells / Monitoring Wells Of 140Mm Od Approx, Using Auger Boring By Manually Or Mechanical Means Including Supply Of All Required Materials At Site, Digging All Kind Of Soil Upto A Depth Of 5M ( Approx. ) , With Necessary Perforations-Kerala

Providing Bore Wells / Monitoring Wells Of 140Mm Od Approx, Using Auger Boring By Manually Or Mechanical Means Including Supply Of All Required Materials At Site, Digging All Kind Of Soil Upto A Depth Of 5M ( Approx. ) , With Necessary Perforations At The Bottom Of Hdpe Pipe, Pvc Mesh Covering As Shown In Drawing And Insert Hdpe Pipe Made Of 4Kg / Cm2 To 5M Depth And Projected To A Height Of 0.5M To 1.0M Above Natural Ground Level Depend Upon Site Condition, With A Suitable Pvc End Cap At Top & Providing Number In Hdpe Pipe Using Vinyl Sticker Etc., For Carrying Out The Complete Work As Directed By Engineerincharge. The Work Shall Include Cost Of Labour, Materials Required, Necessary Equipment, Tools Etc Rate Shall Be Quoted For Boring Per Meter Depth Below Ground Level On Actual Measured Depth Of Bottom Most Bored Level Noted At Site During The Execution Of Work. Providing & Laying Ready Mix Concrete ( M20 Grade As Per Is: 456 ) Around The Monitoring Wells With A Minimum Cement Content Of 320Kg / M3. The Concrete Must Be Made With 20Mm / 12Mm Graded Stone, Coarse Sand And Cement. It Must Be Machine Mixed And Supplied In Rotating Barrel Mounted On Trucks Specifically Intended For Meeting Our Requirement. The Concrete Must Be Preferably Pumped To The Area Where The Area Is To Be Concreted, Properly Vibrated Using Mechanical Vibrators, Consolidated To Proper Lines And Curves And Finished Smooth At The Top Using Trowel. Water Curing Must Be Given For The Required Period. The Rate Quoted Shall Include Supply Of Readymix Concrete At Site & Labour Charges For Levelling And Finishing To Suit Site Condition For The Complete Work Excluding The Cost Of Formwork Which Will Be Paid Separately Under Relevant Item. Providing Formwork For Embedding Around The Monitoring Well, Floor Concreting On Pathways Using Plywood With Runners Or Ms Shutters Of Enough Strength To Withstand The Load Of Mechanical Vibrator During Compaction Of Concrete. The Rates Shall Include Cost Of

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