(a)shifting of 02nos. 4000gpm pump motor of jarlahi sump 02times for extraction of coal from floor of the sump (b)lowering 03nos. pontoon along with their pump motor due to gradual decreasing of water level of jarlahi &#x0d main patch sump,ampc.

(a)shifting of 02nos.pontoon along with 4000gpm pump of jarlahi sump towards east side sump near ground level and di their pipeline b)installation of a 4000gpm pump on the ground level of jarlahi patch and erection its delivery,ampc.

(a)lowering of 02 nos. 4000gpm pump motor of jarlahi sump (b)lowering of 02 nos. pontoon along with their ht pump motor of main patch sump due to decrease of water level (c)other misc. jobs related to pumping and pipe line work under ampc.

(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.

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.

Shifting of 4000gpm pump motor of jarlahi sump from pontoon and installation on ground level and maintenance of the above pump and reorganise its pipeline and transporting of pontoon to the fb for necessary repairing at phularitand, ampc.

Dismantling/withdrawal of damaged drum pontoon main patch sump and trans.to f/b for repair and trans.of another pontoon fromf/b to mainpatch and installation/commission of 4000gpm pump on pontoon and diversion its pipe line at main patch, ampc.

Dismantling and withdrawal of 2nd 4000gpm pump motor set with drum pontoon set along with its 10inch dia ms pipe line from jarlahi patch sump and transporting the same to the f/b for necessary repairing and keep in safe place at phularitand, ampc.

Replacing of b/d motor of 4000gpm pump installed on 1st pontoon of jarlahi sump and diversion of its pipe line (due to mining activity) for fast dewatering of mine water of jarlahi sump of phularitand, amp colliery.

Replacing of damaged 2nd drum pontoon of jarlahi patch sump and installation and commissioning of 2nd 4000gpm pump motor on the pontoon and di and erection of its pipe line for fast dewatering of mine water of phularitand, amp colliery.