various construction work in ward no 18 providing and laying in position cement concrete of specified grade excluding the cost of centring and shuttering - all work upto plinth level : 1:4:8 ( 1cement:4 coarse sand:8gradede stone agg. of 40 mm nominal size ) 2 random rubble masonry with hard stone in foundation and plinth :cement mortar 1:6 ( 1 cement : 6 coarse sand ) 3 providing and laying in position cement concrete of specified grade excluding the cost of centring and shuttering - all work upto plinth level : 1:1½:3 ( 1 cement : 1½ coarse sand : 3 graded stone aggregate 20 mm nominal size ) . 4 centring and shuttering with plywood or steel sheet upto two stories or height upto 7.5 metre above plinth level including strutting, propping etc. and removal of form for foundations, footings, bases of columns, etc. for mass concrete. 5 providing and fixing stone slab covering of required size over drains including filling of joints with cement sand mortar 1:3 complete as per direction of engineer-in-charge.average thickness 60 to 75 mm 6 providing and fixing granite stone slab mirror polished and machine edge cut in walls, pillars, steps, shelves, sills counters, floors etc. laid on 12mm ( av. ) thick base of cement mortar 1:3 ( 1 cement : 3 coarse sand ) jointing with white cement mortar 1:2 ( 1white cement : 2 marble dust ) with pigment to match the shade of the marble slab including grinding, rubbing and polishing complete.green / black27.2.3.1 upto to 1500 cm2 tiles 7 structural steel work in single section fixed with or without connecting plate including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer all complete. 8 providing and laying reinforced cement concrete pipe np4 / prestrssed concrete pipe for culverts including jointing ends andfixing collar with cement mortar 1:2 complete as per clause 1000 & 2900 of mort&h specification including all material, labour form work, machinery. 300 mm internal diameter