Providing drinking water facility to mining affected area in GP Dhoun Kothi Dhar Tatoh Jamthal Pajgain Barmana in Tehsil Sadar District Bilaspur (SH Providing and installation of Bore well 200mm dia at village Kandrour in GP Kandrour Nr. Govt. Sr.

Transportation of suitable truck mounted DTH and ODEX / Percussion Calyx/RC driling rigs along with necessary accessories etc. to the site of work and erection of rig including levelling etc. complete in all respect as per direction of the Engineer-in-charge.

Drilling bore of 200 mm dia as per IS: 2800-1979 using ODEX (TUBES attachment required driling in collapsible strata conglomerate, boulders, pebbles, gravels, silt clay, etc. inclduing cost of attachments, consumable stores, bits, water, POL etc.complete with system of simultaneous lowering of 125mm nominal bore, 5.0mm thick MSERW fin-cut casing pipe which will be welded together using 2.5mm or 3.25mm dia. Advani overlinkon electrodes, with one plain end and the other end champbered to 50 degrees removing paint on the area to be welded , inclusive of the cost of bio-degradable and non-toxic foam flush etc.complete in all respect and to the entire satisfaction of the Engineer-in-charge.

Providing and lowering IS marked 175 mm dia NB 6.4mm thick fincut MSERW casing pipes as per IS: 4270-2001 in a radnom length of 4 to 7 meters with circumferential butt welded joint upto the bore hole in vertical postion including cost of scafolding, derricks and to the entire satisfaction of the Engineer-in-carge including cost of cutting threading and welding of pipe when required and requirement of ODEX attachment from approved manufactures complete in all respect and to the entire satisfaction of the Engineer-in-charge.

Providing and fixing suitable casing shoe 175mm dia and bit tube as per requirement of ODEX attachment complete in all respects as per directions of the Engineer-in-charge.

Collection and preservation of soil samples in polythene bags complete in all respects as per direction of the Engineer-in-charge.

Providing slotting arrangements as per IS: 8110/1994-997 slot size 1.5x75mm and Lowering of 175mm dia MS sloted pipe as per IS: 4270-2001 with upto date amendments welded and joints in to bore hole in vertical position including cost of all cutting threading and welding of pipe etc. with in all leads and lifts complete in all respect and to the entire satisfaction of the Engineer-in-charge.

Development of bore well with 1000 CFM air compressor or thorugh V notch as per IS: 2800-1979 including transportation of equipments etc. to the site of work complete in all respect and to the entire satisfaction of the Engineer-in-charge.