Construction of 10 (ten) nos. ventilation stopping for 53r/30l dev. dist. in kenda (r-vi) seam of bansra colliery under kunustoria area

Roof bolting at dewatering routes for preparation of panel 16a in borachak ( r-viii) seam workings, patmohona colliery

Construction of 4 nos. isolation stoppings (3 nos. preparatory stoppings and 1 nos complete stopping) at 8 no pit in r-viii seam (nega seam) in amkola unit of nimcha (r) colliery.

Repairing of five no pressure drum shell dia 215 mm x 1150 mm long shaft dia 75 mm of 1000 mm belt conveyors rvii and rviia seam installed in 3 and 4 incline j p colliery

Air receiver tank, as per is: 7938 - 1976/latest. technical specifications: capacity: 1000 liters , material of construction: conforming to is2062/ ss-304/is-2002, code of manufacture: is-2825/ asme sec viii div, shape type : vertical, 1/2 inch bsp outlet for pressure gauge, working pressure:10 kg/cm2 , maximum test pressure: 16 kg/cm2 , inlet & outlet connection: 2 inch or 1 1/2 inch flange connection, vessel bottom height from ground: min 300 mm, outlet connection 1 inch or 1 1/2 inch for p

Drilling 350mm dia in seam borehole from rvii to rviia seam at shyamsundarpur colliery

Drilling 350mm dia in seam borehole from rvii to rviia seam at shyamsundarpur colliery

Drilling 03 three no 30 mtr depth 600mm dia vertical in seam borehole in between rvii and rviia seam at shyamsundarpur colliery retender

Construction of protective roof at c pit in kenda (r-vi) seam of bansra colliery under kunustoria area

Repairing of road from bansra c pit to bansra siding through aambagan of bansra colliery under kunustoria area