Description: PROVISION OF BOREWELL AT 119 INF BN TA ASSAM AND PROVN OF SECURITY LIGHTS WITH ACCESSORIES AT MH SHILLONG UNDER GE SHILLONG Name of Work PROVISION OF BOREWELL AT 119 INF BN TA ASSAM AND PROVN OF SECURITY LIGHTS WITH ACCESSORIES AT MH SHILLONG UNDER GE SHILLONG
Details: Trial bore hole of 250mm dia with DTH or reverse rotary circular/direct circulation method or combined in both the processes as per site reqmt in any kind of soil strate including lifting and borning devise and casing pipe etc complete all as specified and directed 0 to 150 mtr depth from ground level (Note : Total 01 Nos point shall be given for trial holes one by one until the suitable stratea and yieldis achieved) including providing PCC exover on unb used bore hole/trial bore hole complete all as per directed by Engr-in-Charge. Drilling the suitable bore with DTH or reverse rotary circulation or direct circulation method or combination of both by using power rig (preferably with DTH rig) for any kind of soil, boulders as per the method recommended in survery report and the nature of strata under ground from GL upto a depth of 150 mtr BGL through any type of soil/rock/any other formation as per following depth suitable for 250mm dia assembly or pipes incoluding collection of soil s
Sector: Defense