Cutting and lifting of old pipe and installation of new seamless pipe in existing stowing vertical bore hole near sand bunker no. 1 of j. k. nagar colliery

Lowering and fitting of 11 nos of 6inch dia ms pipe and 22 nos of 6inch dia seamless pipe for mini bunker no 30 for the purpose of sand stowing in depillaring district n34 in pit no 8 in rviii nega seam, amkola unit under nimcha colliery

Dismantling of broken stowing pipeline and lowering and fitting of 17 nos of 6 inch dia seamless pipe for bunker no 25 for the purpose of sand stowing in depillaring district nk33 (a) in pit no 7 in rvii narainkuri seam, amkola unit under nimcha

Cleaning of sand bunker and vertical borehole from surface to kenda r vi seam at north jambad unit of bahula colliery under kenda area ecl

Sinking of borewell (200.00 mtr depth) with installation of submersible pump and laying of 75mm dia. hdpe pipe-line (supplying, fitting and fixing) at purshabauripara within ward no-37 under dmc.

Lowering and lifting and installation of pump with alignment of pipe 150mm and 200mm dia ms/gi pipeline at karma ocp under kuju area.

Drilling of 02 nos. bore holes of dia 12 (60 mtr each) and lowering of 8 dia casing pipe for depth of 62 mtr (each) in bartarai colliery, amadnad ug sub area.

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.

Rimming of existing vertical borehole (100 mm dia/nx and 260 m depth ) to enhance the surface discharge of mine water in respect of dhemomain incline collier

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.