City of Cosmopolis...Mill Creek Dam Improvement Project Schedule October 2015 to July 2017 ... co...

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City of Cosmopolis Mill Creek Dam Replacement Project Chehalis Basin Flood Authority Presentation October 19, 2017

Transcript of City of Cosmopolis...Mill Creek Dam Improvement Project Schedule October 2015 to July 2017 ... co...

Page 1: City of Cosmopolis...Mill Creek Dam Improvement Project Schedule October 2015 to July 2017 ... co sat Opporated . OF COSMOPOLIS . SEE upsrREAV C. OF DA." SHEET REFERENCE *OOF PILE

City of CosmopolisMill Creek Dam Replacement Project

Chehalis Basin Flood Authority PresentationOctober 19, 2017

Page 2: City of Cosmopolis...Mill Creek Dam Improvement Project Schedule October 2015 to July 2017 ... co sat Opporated . OF COSMOPOLIS . SEE upsrREAV C. OF DA." SHEET REFERENCE *OOF PILE

November 2008 Previous Dam was breached during a severe storm. This left the City of Cosmopolis without any Flood Control

along Mill Creek.

Before Breach After Breach

Page 3: City of Cosmopolis...Mill Creek Dam Improvement Project Schedule October 2015 to July 2017 ... co sat Opporated . OF COSMOPOLIS . SEE upsrREAV C. OF DA." SHEET REFERENCE *OOF PILE
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The first four Fish Weirs

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Dam, Fish Weirs, and Fish Ladder Subgrade

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