Upper Rouge CSO Tunnel Design Issues Outlined in Recent Presentation

The Michigan Water Environment Association (MWEA) has posted a presentation made earlier this year by Mirza Rabbaig (DWSD) and Bob Barbour (Jacobs Engineering), which outlines some of the many design issues and geotechnical challenges involved in the Upper Rouge CSO Tunnel project.

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As reported here and here, the South Tunnel (PC-764) was bid in April and approved in September, 2008. The North Tunnel (PC-764) is bidding on February 12, 2009, as noted here.