tender for civil work - lane in c block mangolpuri ward 50.-imp dev of lane by pdg cc from c-840 to c-721 in c-block mangolpuri at ward no.50 m-i rz., dsr 2018 and approved items. 1 cc 2 15.2.1:demolishing cement concrete manually / by mechanical means including disposal of material within 50 metres lead as per direction of engineer - in-charge.nominal concrete 1:3:6 or richer mix ( i / c equivalent design mix ) 3 2.10.1.2:excavating trenches of required width for pipes, cables, etc including excavation for sockets, and dressing of sides, ramming of bottoms, depth up to 1.5 m, including getting out the excavated soil. and then returning the soil as required, in layers not exceeding 20 cm in depth, including consolidating each deposited layer by ramming, watering, etc. and disposing of surplus excavated soil as directed, within alead of 50 m:pipes, cables etc. exceeding 80 mm dia but not exceeding 300 mm dia 4 19.6.2:providing and laying non-pressure np2 class ( light duty ) r.c.c. pipes with collars jointed with stiff mixture of cement mortar in the proportion of 1:2 ( 1 cement : 2 fine sand ) including testing of joints etc. complete:150 mm dia r.c.c. pipe 5 19.27.1:constructing brick masonry road gully chamber 50x45x60 cm with bricks in cement mortar 1:4 ( 1 cement: 4 coarse sand ) including 500x450 mm pre- cast r.c.c. horizontal grating with frame complete as per standard design:with common burnt clay f.p.s ( non modular ) bricks of class designation 7.5 6 19.19.4.1:providing and fixing in position pre-cast r.c.c. manhole cover and frame of required shape and approved quality.ehd - 35circular shape 560 mm internal dia 7 19.26.4:raising manhole cover and frame slab to required level including dismantling existing slab and making good the damage as required ( raising depth of manhole to be paid separately :circular manhole 140 cm dia with circular cover 600 mm dia of grade ehd - 35 8 1.1.1_14:disposal of materials by mechanical transportincluding loading , unloading and stacking lime , moorum, buildingrubbish for lead 14 km 9 16.64:providing and laying 75 mm thick compacted bed of dry brick aggregate of 40 mm thick nominal size including spreading, well ramming, consolidating and grouting with jamuna sand, including finishing smooth etc.complete as per direction of engineer-in- charge. 10 4.1.2:providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - all work up to plinth level:1:1½:3 ( 1 cement: 1½ coarse sand ( zone-iii ) derived from natural sources : 3 graded stone aggregate 20 mm nominal size derived from natural sources )