bids are invited for 1:5:10 (1 cement : 5 coarse sand - providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - all work up to plinth level :1:5:10 (1 cement : 5 coarse sand (zone-iii): 10 graded stone aggregate 40 mm nominal size)qty-5.31 cum. , 1:2:4 (1 cement : 2 coarse sand ( - 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 20 mm nominal size) qty - 20.75 cum. , centering and shuttering - centering and shuttering including strutting, propping etc. and removal of form for:foundations, footings, bases of columns, etc. for mass concrete. qty - 10.49 sqm. , steel reinforcement - steel reinforcement for r.c.c. work including straightening, cutting, bending, placing in position and binding all complete upto plinth level.mild steel and medium tensile steel bars . qty - 577.51 kg. , demolishing cement - 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 or leaner mix (i/c equivalent design mix.qty.-14.84 cum , repairs to plaster - repairs to plaster of thickness 12 mm to 20 mm in patches of area 2.5 sq.meters and under, including cutting the patch in proper shape, raking out joints and preparing and plastering the surface of the walls complete, including disposal of rubbish to the dumping ground, all complete as per direction of engineer-in-charge. with cement mortar 1:4 (1cement: 4 coarse sand). qty - 200 sqm. , chipping works - chipping of unsound/weak concrete material from slabs, beams, columns etc. with manual chisel and/ or by standard power driven percussion type orof approved makeincluding tapering of all edges, making square shoulders of cavities including cleaning the exposed concrete surface and reinforcement