construction air ducting slab for boiler , construction of air ducting slab for boiler. , reinforced cement concrete work in beams suspended floors roofs having slope up to 15” landing, balconies chajjaslintels, bands, plain window sills, staircases and spiral stair cases above plinthleave up to floor five leavel excluding the cost of centering. shuttering finishing and reinforcement with 1:1:5:3 (1 cement : 1.5 corsend jone-3) derived from naturalsources :3 graded stone aggregate 20mm nominal sigd derived from natural sources). , centering and shuttering including strutting propping etc. and removal of form for lintels beams plinth beams girders bressumers and cantilevers. , steel reinforcement foe rcc work including straightening cutting, banding, placing in position and binding all complete upto plinth leave.( thremo mechanically treated bars of grade fe-500d or more.