( i ) side dressing and cleaning of gallery along 78d from 48l to 101l for laying of gi pipeline for cm operation ( ii ) construction of 2no rcc pillers at 68l / 81d ( iii ) cleaning and removal of malma / sludge of 76d / 104l and 82d / 107l sump ( iv ) cleaning- 1 malma cleaning, removal of debries from galleries, sumps, tail ends of belt conveyor, and stacking within 2 groove cutting for stopping & manhole by chisel & hammer.i ) hard stone 3 groove cutting for stopping & manhole by chisel & hammer.i ) mixed shale 4 groove cutting for stopping & manhole by chisel & hammer.i ) coal 5 rcc work in u.g. including centering & shuttering, reinforcement for rcc work including cutting, bending, placing in position and binding shuttering etc., all complete ratio 1:2:4 6 i ) side dressing and cleaning of gallery along 78d from 48l 7 loading of materials in tub at incline mouth ( all items of building materials ) . 8 unloading of all kinds of building materials at destination u / g. 9 cleaning of spilled slack coal / muck of at and around weighbridge, removal of spillaged / slurry / scattered coal on surface around stockyard and stacking 10 lead for transportation of materials 500m 11 marching of lhd from ug to surface in v top seam 12 cement 13 sand 14 steel 15 metal 16 total impact of gst for the purpose of ctc