Specifications include, but are not limited to: Vendors to provide components for Five (5) different bridges. • All pre-stressed concrete and reinforced concrete members shall be designed in accordance with AASHTO Standard Specifications for Highway Bridges, 17th Edition. Live loading shall be HS25. • All workmanship and materials shall conform to South Carolina Department of Highways and Public Transportation Standard Specifications for Highway Construction (2000 Edition) and the latest applicable Supplemental Specifications. • All related documents shall be completed under the direct supervision of a registered professional engineer of South Carolina and the design calculations, contract plans and specifications shall be signed and sealed by such.