Devil’s Backbone Dam Rehabilitation Washington County · • In the 1990s, the dam began to show...
Transcript of Devil’s Backbone Dam Rehabilitation Washington County · • In the 1990s, the dam began to show...
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County Project Of The Year
Devil’s Backbone Dam Rehabilitation
Washington County
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County Project Of The Year
Devil’s Backbone Dam Rehabilitation
County: Washington County Engineer: Wallace Montgomery Contractor: C. William Hetzer
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Washington County Division of Public Works
County Engineers Association of Maryland Fall Conference 2012
Devil’s Backbone Park Dam Rehabilitation
Jim Plummer Project Manager Division of Public Works Engineering and Construction
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Washington County Division of Public Works
Project Overview
• Located on the Antietam Creek
• Devil’s Backbone Dam is one of the few remaining original masonry dams from the early 19th century
• Used in the operation of a large commercial flour mill and later for electric generation; now part of the Devil’s Backbone County Park
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Washington County Division of Public Works
Project Need & History • In the 1990s, the dam began to show
signs of deterioration and missing stones were discovered
• Three options were considered – Rehabilitation – Partial Dam Breach – Complete Removal
• In 2010, decision was made to rehabilitate the dam
• Design by Wallace, Montgomery, and Associates
• Project Management by Washington County DPW
• Construction completed by C. William Hetzer
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Washington County Division of Public Works
Construction 1st Phase
• Install siphons and stream diversion
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Washington County Division of Public Works
Construction 1st Phase
• Partnered with SHA to stabilize the streambank along MD 68 with imbricated riprap upstream of the dam
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Washington County Division of Public Works
Construction 1st Phase
• Rehabilitated 1st half of dam
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Washington County Division of Public Works
Construction 2nd Phase
• Rehabilitated 2nd half of dam and completed other park improvements
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Washington County Division of Public Works
Completed Project
Thank You