Providing New Bore Well and Extension of pipe line At Ambethakar Nagar OHT in Kavanur Panchayat in Srimushnam Block under General Fund (VP)2025-26

Geophysical survey charges

Drilling of Borewell in Alluvial soil starta of clay and sand stone, shale, pebbles, boulders etc., by first taking and pilot bore of 140mm/150mm/200mm dia and then enlarging to required dia by direct or reverse rotary mud circulation method, using contractor's ridg fuel labour drilling at the site shown by the Department Officers including construction of mud pit and transportation (Water available within a lead of 1.5K.M) using Rotary Rig. Drilling of 200mm DIA Pilot Bore Upto 60m.Depth ending below Ground Level

Reaming 200mm Dia meter Bore to 300 mm Diameter Below Ground Level Upto 60m.Depth ending below Ground Level

Reaming 300mm Diameter Bore to 400 mm Diameter Below Ground Level Upto 60m.Depth ending below Ground Level

Electrical Logging Charges for borewell

Supply and delivery of the following materials required for the erection of borewell. 200 mm dia OD PVC plain casing CS pipe

200 mm dia pvc ribbed screen casing pipes

200mm dia Bottom Dummy (Pre end cap)

8 “ Casing Pipes Bore Well Top Cover

Labour charges for inserting PVC Casing pipes assembly (with slots or without slots) in the drilled hole including jointing the pipes, supplying and packing the annular space with pebbles of size and quality as approved by the Department Officer. 200mm OD PVC Pipe

Charges for developing the borewells with air compressor of 300 CFM capacity (minimum 8 hours) including transportation labour and fuel charges for compressor as direct by Departmental Officers conducting yield test "V" Notach method

Earth Excavation and depositing on bank for with an initial lead and lift in all type soil for pipe line for 63mm dia pipe

Supply of unlasticised 63mm OD PVC/4ksc rigid Pipes as per BIS 4985/2000 with ISI Marking to site of works. 63mm PVC /4ksc Pipe

a) 63mm End cup

b) 63mm Bend

Lowering and Laying of the 63mm dia PVC pipes and secials to trench ,laying to proper grade and alignment,jointing with PVC coupler and specials fixing with solvent cement paste etc., complete

Re-filling with excavated soil complying with standard specification in layers of 15cm thick well rammed and consolidated after ipes and specials are laid and tested

Provision for Photo charges

GST Amount for providing Service to Government Contract Works for the above Construction Works. { GST Amount is the Total GST Amount for total overall quoted amount above this row in column "BB" for all works in this package}

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