Drilling, excavation, loading, transportation, dumping, spreading and levelling, etc., of 380.876 lbcm of in-situ ob (which includes 4.037 lbcm of top soil, 4.037 lbcm of sub soil, 355.469 lbcm of hard ob, 17.333 lbcm of coal), excavation of 0.614 lbcm of top soil beneath the external dump, excavation of 10.403 lbcm of in-situ ob for permanent diversion of gundlavagu nallah, excavation of 0.732 lbcm of ob for temporary diversion of gundlavagu nallah, re-handling of 1.849 lcm of loose ob, and re-handling of 1.807 lcm of loose top soil for permanent diversion of gundlavagu nallah with conventional equipment, and additional works viz., 4000 shovel hours, 3000 dozer hours and 1,80,000 rmt of drilling at ktk oc-iii project, bhupalpally area during a period of 36 months.