Download or read book Evaluation of the CON/SPAN Wingwall System written by Highway Innovative Technology Evaluation Center (U.S.) and published by ASCE Publications. This book was released on 2001-01-01 with total page 132 pages. Available in PDF, EPUB and Kindle. Book excerpt: This report describes a HITEC evaluation designed to determine the basic capabilities and limitations of CON/SPAN Wingwalls for use as a precast retaining wall system. The evaluation was conducted based on design, construction, performances, and quality assurance information outlined in the HITEC Protocol.