height increase 12 to 15 inch of weigh bridge ( 9x3 ) mtr capacity 50 m.t.-1 no. at nmymungrabadshahpur- 1 dismantling steel work in built up sections in angles, tees, flats and channels including all gusset plates, bolts, nuts, cutting rivets, welding etc. including dismembering and stackingwithin 50 meters lead.15.18 2 demolishing r.c.c. work manually / by mechanical means including stacking of steel bars and disposal of unserviceable material within 50 meters lead as per direction of engineer - in- charge. 15.3 3 demolishing cement concrete manually / by mechanical means including disposal of material within 50 meters lead as per direction of engineer-in-charge. 15.2.1 nominal concrete 1:3:6 or richer mix ( i / c equivalent design mix ) . 15.2.1 4 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 ( zone-iii ) :8 graded stone aggregate 40 mm nominal size ) . 4.1.8 5 reinforced cement concrete work in beams, suspended floors, roofs having slope up to 15° landings, balconies, shelves, chajjas, lintels, bands, plain window sills, staircases and spiral stair cases above plinth level up to floor five level, excluding the cost of centering, shuttering, finishing and reinforcement with 1:1.5:3 ( 1 cement : 1.5 coarse sand ( zone-iii ) : 3 graded stone aggregate 20 mm nominal size. 5.3 6 steel reinforcement for r.c.c. work including straightening, cutting, bending, placing in position and binding all complete up to plinth level cold twisted deformed bars. 5.22.3 7 centering and shuttering includingstrutting, propping etc. and removal of form work for lintels, beams, plinth beams, girders, bressumers and cantilevers.5.9.5 8 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.10.1 9 providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering. all work up to plinth level : 1:2:4 ( 1 cement : 2 coarse sand ( zone-iii ) : 4 graded stone aggregate 20mm nominal size ) . 4.1.3 10 providing and fixing mild steel round holding down bolts with nuts and washer plates complete.10.19 11 providing and fixing 1mm thick m.s. sheet door with frame of 40x40x6 mm angle iron and 3 mm m.s. gusset plates at the junctions and corners, all necessary fittings complete, including applying a priming coat of approved steel primer. flats 30x6mm for diagonal braces and central cross piece.10.5.2