June 7, 2019

Please review the following IDOT Memo regarding  Cofferdams (Type 1) within jurisdictional wetlands and Waters of the U.S. New Special Provision for Cofferdam (Type 1)


January 11, 2019

The Dewatering standard (Standard 813) is now available! Check it out Here


December 4, 2018

Welcome to the new Illinois Urban Manual website!