Requirement :
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Drilling, excavation, loading, transportation, dumping, spreading & levelling etc., of 651.693 lbcm of in-situ overburden (which includes 7.146 lbcm of top soil, 14.292 lbcm of sub soil, 606.245 lbcm of hard ob & 24.010 lbcm of coal), excavation of 13.768 lbcm of top soil from external dump area and re-handling of 3.00 lcm of loose top soil with conventional equipment and additional works viz., 2000 shovel hours, 1500 dozer hours & 40,000 rmt drilling at ktk oc-iii project, bhp area during a period of 36 months.
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