Specifications include, but are not limited to: The successful bidder shall be listed on the VDOT Materials Section Approved Pre-Cast Concrete Producers list or furnish the name of the VDOT approved pre-cast concrete producer that the pre-cast concrete culverts are being purchased from. This information shall be listed on the attached fillable form. 2 ¼ in. diameter holes in the top slab shall be provided for lifting. Four (4) holes shall be provided per unit. Details and locations of holes shall be shown on the shop drawings. Rubber or plastic plugs shall be included to close lifting holes in the top slab after erection of box culvert. The Vendor shall supply all required lifting devices (special lifting cable hooks, etc.) to offload the units at no charge or deposit. The construction of these concrete box culverts shall meet the pertinent sections of the 2016 VDOT Road & Bridge specifications and the 2016 VDOT Road & Bridge standards. The design shall meet the AASHTO LRFD Bridge Design specifications, 8th edition, 2017 interim revisions & VDOT modifications. The reinforcing steel shall be corrosion resistant reinforcing steel, class I in accordance with section 223.02 (e) of the specifications (conforming to ASTM A1035/A1035M).