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Storm project detailed at city workshop

The Glencoe City Council held a workshop Monday to further discuss the updates made to the 2018 Central Storm Sewer project after several council members expressed concerns about the increased financial and structural aspects of the project.
In December 2016, the project cost was estimated to be $4.7 million. After many changes, the updated estimated cost as of November 2017 is $6.7 million.
At the workshop, Justin Black, supported by John Rodeberg, both of Short Elliott Hendrickson (SEH), Inc., presented a deeper analysis of the changes made to the project, along with select options the city has to reduce the scope and cost of the project while continuing to preserve the trunk storm sewer line and address some of the main flooding and drainage issues in the city of Glencoe.
Black began by giving a detailed explanation of the project starting south near Ninth Street with the two pond basins (one that would consistently hold water and one that would act as back-up storage) and ending all the way up to McLeod Avenue and 16th Street with increased catch basins.
After a few questions regarding the design’s increased pipe size on the south end of the project, Black reminded those present that the project is modeled to deal with the watershed within the city and designed to meet a five-year rainfall event, which is the standard for storm water sewer designs.
“The way we are modeling or designing the system is the gate is closed on the north ponds, so we’re only dealing with the watershed within the city,” said Black.

For more from the workshop, see the Dec. 13 print edition of The Chronicle.