? The Psc & Rcc Box Girder, Deck Slab,pedastals dirt walls,crash berriers, expansion joints and ? Preparing the sub contract bills and estimation. ? The Psc & BoxGirder,DeckSlab,pedastals,piercaps piers,piercaps dirt walls,crash berriers, expansion joints, box culverts ,skew type minor bridge and other finishing works and bar bending sehedule, concrete quanititys,shuttering quanititys,other specials works,leveling sheets.