kdlr / mty / 103 / 2019 maintenance of drain and covering slab near ayurveda hospital in ward 9 , detailed estimate , 15 . 2 . 2 : demolishing cement concrete manually / by mechanical means including disposal of material within 50 metres lead as per direction of engineer - in-charge . nominal concrete 1:4:8 leaner mix ( including equivalent design mix ) , 4 . 1 . 8 : providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - all work up to plinth level:1:4:8 ( 1 cement : 4 coarse sand : 8 graded stone aggregate 40 nominal size ) , 5 . 22 . 6 : steel reinforcement for r . c . c work including straightening , cutting , bending , placing in position and binding all complete upto plinth levelthermo - mechanically treated bars of grade fe-500d or more , 5 . 9 . 1 : centering and shuttering including strutting , etc . and removal of form for:foundations , footings , bases of columns , etc for mass concrete , 5 . 1 . 3 : providing and laying in position specified grade of reinforced cement concrete , excluding the cost of centering , shuttering , finishing and reinforcement - all work up to plinth level:1:2:4 ( 1 cement : 2 coarse sand : 4 graded stone aggregate 20 mm nominal size ) , 5 . 1 . 2 : providing and laying in position specified grade of reinforced cement concrete , excluding the cost of centering , shuttering , finishing and reinforcement - all work up to plinth level:1:1:5:3 ( 1 cement 1 . 5 coarse sand :3 graded stone aggregate 20 mm nominal size , od182164 / 2018_2019 : mancoolie