tender for supply and commissioning of rig units for wayanad district under wayanad package , supply and commissioning of rig units which is mounted on three trucks ie. (1) truck with dismantling rig unit capable of drilling bore holes of size 110 to 127 mm dia in hard rock formation and up to a total depth of 150 meter, which can be upto 100 meters away from drilling site by engaging a suitable compressor (2) truck mounted dth cum rotary rig unit with mud rotary mechanism, capable of drilling bore holes of size 110 to 165 mm dia in hard rock formation and 254 mm - 305 mm dia bore hole in over burden using dth as well as rotary method up to a total depth of 150 meter engaging a suitable compressor, and working at a pressure of 290 psi, and fad of 850 cfm, ( 3 ) compressor mounted on truck. the detailed specification is included separately.