bids are invited for excavation of coal/shale in u/g mine for making notches in gallery including stacking of serviciable and unserviciable material with a lead upto 30 mtr and lift upto 1.5 mtr including neat dressing of the roof, floor and sides as instruction of administration. , providing and laying in position specified grade of reinforced cement concrete excluding the cost of centering, shuttering, finishing, reinforcement and carriage of matrial from incline mouth to u/g mine site. all work up to plinth level 1:2:4, 1 cement, 2 coarse sand aggregate 4 graded stone aggregate 20 mm nominal size , material transportaion for 06 nos of drive heads. pcc works for (track line lead = 0-1km, manual lead = 0-50 mt. , carting of coal/shale/shaly coal in u/g mine by manual labour including loading, unloading and stacking for lead upto 50 mt , recovery, transportation & installation of 08 nos of complete setup drive heads including loop takeup arrangements and all its accessories with including loading & unloading.