bids are invited for boq items precast rcc slab for drain 100mm thick size 900x600 mm , precast rcc slab for drain 100mm thick size 1000x300 mm , precast rcc slab for drain 100mm thick size 1000x500 mm , precast rcc slab for drain 100mm thick size 1200x300 mm , precast rcc slab for drain 100mm thick size 1200x500 mm , precast rcc slab for drain 100mm thick size 1500x300 mm , precast rcc slab for drain 100mm thick size 1800x300 mm , precast rcc slab for drain 100mm thick size 2200x300 mm , pre-cast rcc manhole cover with frame hd-20 circular shape 560 mm internal dia , pre-cast rcc manhole cover with frame ehd-35 circular shape 560 mm internal dia , 500x450 mm pre-cast rcc horizontal grating with frame , common burnt clay f.p.s. non-modular bricks class designation 7.5 , cement opc in 50 kg bags , ready mix bitumen concrete shelmac , stone aggregate 20 mm or 10 mm nominal size , coarse sand , solar stud , flexible median marker , spring post , road stud without shank total quantity : 9555