Cleaning of pit bottom sump at no 4 pit in dobrana rv seam to increase the sump capacity for monsoon preparation 2025-2026 of lower kenda colliery under kenda area ecl

Renovation of one (01) no. vertical borehole in stowing bunker no. 2 (used for sand stowing) of 133m. depth and 150mm. dia from surface to kenda (r-vi) working at 25 dip/ 2dip level of parasea colliery under kunustoria area.

Renovation of 01 (one) no old vertical bore hole 245 mtr depth 300 mm dia from surface to kenda (r-vi) seam of bansra colliery under kunustoria area.

Cleaning and extraction of old damage pipe of existing vertical borehole no 16 from surface to dobrana rv seam 1west dip 11l and also lowering of new pipe including casing pipe in place of old damage pipe for dewatering no 6 pit wrokings of dobrana r

Construction of 04 (four) nos. new ventilation stopping at 1dip/0l, 1-2(s)dip/0l in between 1-2(s)dip/1l and 1l/13dip in place of broken/damaged old ventilation stopping in dobrana (r-v) seam of belbaid colliery under kunustoria area

Cross-stitching of pillars at disturbed zone, main dip, and 1 north dip from 5 level to 16 level at lower kajora (r-viii a) seam, no 10 pit of khas kajora colliery

Replace with new pipe range of vertical borehole from surface to dishergarh r-iv seam at 0 dip in between 1st dip 2nd level of ningha colliery

Lowering transporting of 6 ms pipe (1200m)from surface to 500mh pit bottom and up to 8th dip d-15 panel and laying-fitting along 8th dip - 400mh main line in xvi seam at moonidih colliery, w.j.area. &#x0d

Replace with new pipe range of vertical borehole from surface to dishergarh r-iv seam at 0 dip in between 1st dip 2nd level of ningha colliery

Flashing, cleaning and renovation of 01 no. existing 250mm dia. 198 mtr. depth vertical borehole with lifting of 150mm dia. used and damaged seamless pipe and lowering of 150mm dia. new seamless pipe at sand bunker no. 3 for dobrana (r-v) seam of bel