(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.

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.

(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.

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.

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

Shifting of 4000gpm pumpmotor set of jharna sump as and when required (03times) with its pipeline for extraction of coal from the floor of the sump and maintenance of 4000gpm pump of jharna face and purba face and their pipe line of muraidih, 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.

(a)installation 4000gpm pump injarlahi sump and its delivery (4thrange10inchdia) from sump to viewpoint nalla &#x0d (b)erection 10inch dia pipeline from drumpontoon 4000gpm pump to top bench and jointing it with 2nd delivery range of main patch,ampc.