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.

Drilling, excavation, loading, transportation, dumping, spreading and levelling, etc., of 219.120 lbcm of in-situ ob (which includes 185.745 lbcm of hard ob, 33.375 lbcm of coal), and re-handling of 7.550 lcm of top soil with conventional equipment, and additional works viz., 4000 shovel hours, 2000 dozer hours and 50,000 rmt of drilling at kistaram opencast project, sathupally area during a period of 24 months.

Machining of die