Di of two 10inch dia m.s. pipes range of two 4000gpm pump motor 02times for coal extraction of floor &#x0d face at jarlahi patch of phularitand, amp colliery.

Di of 10inch dia m.s.pipe line along with shifting of 2nd 4000gpm pump motor 03times at jarlahi patch of phularitand, amp colliery.

Shifting of 4000gpm ht pump in lower side of the sump &#x0d three times due to decreasing of water level of main water &#x0d sump of phularitand, amp colliery.

Repairing of 6.6kv, 400amps starter, sait mineline make, for controlling 4000gpm pump of jarlahi patch of phularitand, amp colliery.

Repairing of 3.3kv, 400amps vcb er volga make &#x0d for controlling of 4000gpm pump motor main patch &#x0d of phularitand, amp colliery.

Lowering of 4000gpm ht pump with pontoon in lower side of the sump three times due to decreasing of water level of jarlahi patch of phularitand, amp colliery.

Di of 10inch/8inch dia m.s.pipe line along with &#x0d shifting of 4000gpm pump motor for fast &#x0d discharging of mine water at jarlahi patch of &#x0d phularitand, amp colliery.

(a)shifting of 4000gpm pump motor set of jharna face sump as and when required(04times)for extraction of coal from the floor of the sump and(b)maintenance of 4000gpm pump of jharna face and purba face and their pipeline of muraidih, amp colliery

Four times shifting of 2000gpm pump motor in safe/suitable side of the sump along with di of its pipe &#x0d line due to extraction of floor coal of jarlahi coal face sump at phularitand under amp colliery

Shifting of 4000gpm pump motor set (four times) after and before extraction of coal from the floor of jarlahi coal face and diversion of its pipe line due to safety purpose at phularitand under amp colliery.