supply of arching of decline excluding excavation with rcc work of roof floor and sides with ismb 250 beams embedded in it at 1.0 m interval complete in all respects including all activities involved therein including laying reinforced cement concrete work 1 cement 1.5 coarse sand 3 graded stone aggregate using 20mm and 12.5mm down screened and washed including machine mixing placing in position and mechanically vibrating in underground wall roof floor etc and like including the cost of shuttering and reinforcement etc complete in all respect as per specification and direction thickness and shape as per drawing all girders will be tacked with reinforcement steel prior to concreting including cost of cement structural and reinforcement steel and other materials
