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 leveling etc., of 651.097 lbcm of in-situ ob (which includes 15.317 lbcm of top soil, 30.607 lbcm of sub-soil, 537.760 lbcm of hard ob, 66.753 lbcm of coal and 0.660 lbcm of top soil quantity beneath the dump) with conventional equipment and additional works viz., 5000 shovel hours, 5000 dozer hours and 1,30,000 rmt of drilling at jawahar khani opencast mine [amalgamation of jk-5 ocp and 21 incline (conversion of 21 incline in to oc)], yellandu area for a period of 48 months.

Drilling, excavation, loading, transportation, dumping, spreading and levelling, etc., of 958.370 lbcm of in-situ ob (which includes 2.440 lbcm of top soil, 4.880 lbcm of sub soil, 869.900 lbcm of hard ob and 81.150 lbcm of coal) with conventional equipment and additional works viz., 4,000 shovel hours, 4,000 dozer hours and 1,00,000 rmt of drilling at rg oc-iii expansion mine, rg-ii area, during a period of 48 months.

Erection of box type scaffolding by using available scaffolding pipes fixing of scaffolding pipes with nuts and bolts etc,documentation and careful removal or dismantling of bulged out or cracked portion of the fort walls adjacent to the breaches,removal of loose earth inside the breach and disposal of the surplus excavated earth away from the monument etc,careful removal of disturbed random rubble base stones below the fort wall and stacking them for reuse,earth work excavation for foundation in trenches to a depth of more than 3 meters,providing and laying lime concrete mixed with 50 percent lime,providing rr masonry footings in cm one in four ratio in stepped manner over the pcc bed with hard granite stones,construction of rr masonry gravity retaining wall in in lime mortar,reconstruction of rr masonry base with available stones in lime mortar,reconstruction of the fallen fortification wall in lm,back filling the breach with gravelly earth mixed with boulders with proper compaction,providing stone pitching

Erection of box type scaffolding by using available scaffolding pipes fixing of scaffolding pipes with nuts and bolts etc for 226.80 sq mtr,documentation and careful removal or dismantling of bulged out or cracked portion of the fort walls adjacent to the breaches for 24.30 cu mtr,removal of loose earth inside the breach and disposal of the surplus excavated earth away from the monument etc for 277.38 cu mtr,careful removal of disturbed random rubble base stones below the fort wall and stacking them for reuse for 35.64 cu mtr,earth work excavation for foundation in trenches to a depth of more than 3 meters for 219.51 cu mtr,providing and laying lime concrete mixed with 50 percent lime for 33.21 cu mtr,providing rr masonry footings in cm one in four ratio in stepped manner over the pcc bed with hard granite stones for 25.92 cu mtr,construction of rr masonry gravity retaining wall in in lime mortar for 283.50 cu mtr,reconstruction of rr masonry base with available stones in lime mortar for 35.64 cu mtr,reconstr