Specifications include, but are not limited to: Sedgwick County, Kansas (hereinafter referred to as “county”) is seeking bids for Pre-Cast Reinforced Concrete Boxes and End Sections. Each pre-cast reinforced concrete box (RCB) cell shall meet the material specifications of the latest revision of Section 735 of the 2015 Edition of the Kansas Department of Transportation Standard Specifications for State Road and Bridge Construction (hereinafter called “Standard Specifications”). Box Culvert analysis and reinforcing design (Boxcar, Version 3.1or later) Software developed by the Federal Highway Administration in cooperation with the American Concrete Pipe Association is the preferred method for the design of precast box culverts for Sedgwick County.