bids are invited for boq item precast rcc slab for drain 100 mm thick size 750x 500 mm , precast rcc slab for drain 100 mm thick size 1000x500 mm , precast rcc slab for drain 100 mm thick size 1300x500 mm , precast rcc slab for drain 100 mm thick size 1500x500 mm , precast rcc slab for drain 100 mm thick size 1800x300 mm , precast 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 , 450 x450 mm precast 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 of 25kg , solar stud , flexible median marker , spring post , road stud without shank total quantity : 9470