Description: Construction of 1 No tube well near Vellanathuruthu mining office Name of Work Construction of 1 No tube well near Vellanathuruthu Mining office
Details: 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 thetube well including back washing to remove the drilling mud to open out the stainers using air compressor to suitable capacity for minimum 15 hours with yield test and sealing bottom of the well etc. as directed by the officers concerned. hire charges for compressor logging machine and other tools and plants, all conveyance charges all labour charges for logging, fuel charges, cost of lubricants, water, Bendonite powder and all o
Sector: Mining