bids are invited for custom bid for services - undefined total quantity :-1 ) covering the storm drains with removable-rin rcc slubs in front of auums, bibinagar a.b.c blocks and parking areas. 2 ) providing, hoisting and fixing up with precast reinforced cement concrete. including the cost of required centering, shuttering, reinforcement with 1 ratio cement. 1.s ratio coarse sand for zone-iil derived from natural sources and 3 ratio graded stone aggregate 20 mm nominal size derived from natural sources. ( 1: 1.5: 3 respective ratio ) 3 ) engagement of manpower for cleaning the existing storm arain and dumping the waste at a distant site. 4 ) kindly visit our site auuus, bibinagpr for physical measurements and any type of clarity regarding the civil / construction on or before bid closing date.