(a) lowering two 4000gpm pump set of jharna sump (b) installation of two set of drum pontoon in jharna sump and shifting of two set of 4000gpm pump set from ground level to the pontoon(c) maintenance of two ht pump of 3rd patch sump, muraidih, ampc.

(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

Dismantling of two 4000gpm pump motor set with their pipe line from jharna face sump and transporting to socp attendance room premises due to decreasing of water level of jharna sump of muraidih, amp colliery.

Shifting of 4000gpm pump motor of jharna face for &#x0d 04 times with gradual increasing of water level of the &#x0d sump under muraidih, amp colliery.

Assembling, transporting and installation of one 4000gpm pump motor set in main coal face sump and erection of its delivery from the sump to the socp filter plant nalla near cisf check-post for dewatering of mine at muraidih, amp colliery.

Assembling, transporting and installation of one 4000gpm pump motor set from feeder breaker to jarlahi coal face sump and erection of its delivery line at jarlahi patch, phularitand, amp colliery

Assembling, transporting and installation of one 4000gpm pump motor set from feeder breaker to jarlahi coal face sump and erection of its 10inch dia pipe line at phularitand, amp colliery.

Shifting of 4000gpm pump motor (three times) of jharna face sump and di of its pipe line due to gradual &#x0d decreasing of water level at muraidih under amp colliery

Shifting of 4000gpm pump motor of sadbhawna &#x0d face for with gradual increasing of water level of the sump under muraidih, amp colliery.

Replacing of b/d 4000gpm pump motor set by another 4000gpm pump motor set of purba face sump and three times shifting of pump along with diversion of its delivery line in suitable route for safety purpose at muraidih, amp colliery.