production of masses. *production of masses may include dry ramming mass (drm) @ 1640 mt, l.d. gunning mass (ldgm) @ 8530 mt, silica mortar @ 600 mt, back filling mass @ 1368 mt, basic ramming mass @ 1306 mt and mch mortar @ 260 mt and other similar masses as per orders received. the individual quantity of masses as mentioned may differ depending on customer requirement/orders received. but, the total quantity of masses for this order will be 13704 mt.