Illinois Urban Manual

Funding source for the IUM update initiative is provided by the Illinois Environmental Protection Agency (IEPA) Clean Water Act, Section 604b grant funds.


May 21, 2021

Proposed Action: Illinois Urban Manual (IUM) Standard Update – Rolled Perimeter Control Products 912

U.S. Army Corps of Engineers Chicago District   Comment Period Expires:  June 18, 2021   Proposed Action:  Illinois Urban Manual (IUM) Standard Update – Rolled...

June 7, 2019

Attention Designers!

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

New and Improved Dewatering Standard!

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

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