Drilling, Excavation, Loading, Transportation, Dumping, Spreading And Levelling, Etc., Of 450.565 Lbcm Of In-Situ Ob (Which Includes 2.535 Lbcm Of Top Soil, 9.185 Lbcm Of Sub Soil, 413.790 Lbcm Of Hard Ob And 25.055 Lbcm Of Coal) With Conventional Equipment, And Additional Works Viz., 3000 Shovel Hours, 3000 Dozer Hours And 2,20,000 Rmt Of Drilling At Srp Oc-Ii Expansion Project, Srirampur Area During A Period Of 36 Months.

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