Gem bids for Op Tr Guard Rail Sys Crash Barrier Single Type A And Wbeam Post Spacer Channel To Connect Beam And Post Nut Orbolt As Per Brief Tech Specifications, 60Mm Thk Heavy Dutyrubberised Mat Finish Paver Block Tiles M 40 Grade Of Size 0Point 20M X 0 Point 10M Including Levelling And Dressing Ofsurface As Per Brief Tech Specifications, Cement Ppcoblique Opc 53 Grade In Packaging Of 50 Kg Each, Sandcoarse, Graded Stone Aggregate Coarse 40Mm, Quicksetting Compound Bag Of 1 Kg