bids are invited for boq item precast rcc slab for drain 1000x500mm , precast rcc slab for drain 1200x500mm , precast rcc slab for drain 1500x500mm , precast rcc manhole cover with frame of ehd 35 circular shape 560mm internal dia , precast rcc manhole cover with frame of ehd 20 circular shape 560mm internal dia , precast rcc manhole cover with frame of ehd 20 circular shape 650mm internal dia , precast rcc grating with frame 500x550 mm horizontal grating , instant curing bituminous ready cold mix , cementopc 43 grade , stone aggregate 20mm 10 mm nominal size , coarse sand zone iv , fine sand zone-iv , common burnt clay fps non modular bricks class designation 7.5 , brick tile , road barricading ofsize 1500x950x400mm , safety cone , flexible median marker total quantity : 8275