improvement and development of covering drain by pdg.sfrc slab both side in front of sh. bhim rao ambedkar school of excellence in khichri pur village mayur vihar ph-2 in ward no-196 ac-57 ssz, dsr dar civil-2018 and approved items; 2 110.12:p/f precast r.c.c. stab/grating 70mm thick manufactured with cc 1:2:4 (1 cement : 2 coarse sand :4 graded stone aggregate 20 mm nominal size) reinforced with 96 kg/m3 of r.c.c including lapping all four side with m.s. sheet 1.6 mm thick & fixing in position complete. (drain covers with or without holes) 3 6.1.2:brick work with common burnt clay f.p.s (non modular) bricks of class designation 7.5 in foundation and plinth in:cement mortar 1:6 (1 cement : 6 coarse sand) 4 13.4.2:12 mm cement plaster of mix:1:6 ( 1 cement : 6 coarse sand) 5 13.18:neat cement punning 6 5.9.3a:centering and shuttering including strutting ,proppingetc.and removal of form for suspended floors, roofs, landings,balconies and access platform 7 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 (zone-iii) derived from natural sources : 4 graded stone aggregate 20 mm nominal size derived from natural sources) 8 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 9 10.25.2:steel work welded in built up sections/framed work, including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer using structural steel etc. as required.in gratings, frames, guard bar, ladder, railings, brackets, gates and similar works