tender for hiring of hemm for removal of ob, raising , loading and transportation of saleable lignite and allied work at soanri lignite mines barmer hiring of hemm for removal of ob, raising, loading and transportation etc of saleable lignite and allied works at sonari lignite mines district barmer - hiring of heavy earth moving equipments for removal of overburden, raising, loading and transportation etc.of saleable lignite and allied works at sonari lignite mines, district barmer (rajasthan) sl. no. item description 1 excavation and removal of top soil and overburden with all leads & lifts to successively expose the lignite seams and then raising upto surface & loading of lignite into trucks/dumpers by mining machines like hydraulic excavators, dumpers and other ancillary equipments commensurate with work and providing operators and other staff members for operation of these equipments, re-spread the top soil as per the scope of work described in detail in the tender document.