(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.

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.

Shifting of 02nos.4000gpm pump motor of jarlahi patch sump from the ground level to the pontoon and di of their pipeline due to increase of water level of the sump and maintenance of both the pump and their pipelineof jarlahi patch,ampc.

(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)erection of 02nos.10/8inch dia mspipe line from jharlahi main patch sump to silo nalla for dewatering of mine &#x0d and(b)replacing b/d 2000gpm pump motor of drum pontoon with another 2000gpm pump motor in jharlahi &#x0d main patch sump under 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.

Marching of 1st pontoon with 4000gpm pump motor (five times) from existing position to the another lower side of the sump and di of its delivery range due to blasting at jarlahi patch of phularitand, amp colliery.

Marching of 3rd pontoon with 4000gpm pump motor (four times) from existing position to the another lower &#x0d side of the sump and di of its delivery range due to blasting at jarlahi patch of phularitand, amp colliery.

(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.

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.