Archive
Eau Pleine Dam Stabilization
Portions of the Eau Pleine Dam were constructed in the 1930s, and after decades of service, the dam no longer met Federal Energy Regulatory Commission minimum safety standards. The dam, owned and operated by the Wisconsin Valley Improvement Company, forms the Eau Pleine Reservoir on the Eau Pleine River.Ayres worked with the company to improve… Read More »
Grimh Dam Removal
Ayres proposed and evaluated several alternatives for rehabilitating Grimh Dam, a 30-foot-tall hydroelectric dam in northwestern Wisconsin. Based on the alternatives evaluation, North Central Power Company decided to remove the dam. Ayres developed plans and specifications for staged removal of the concrete powerhouse, concrete spillway structures, and earthen embankments. Sediment volumes within the 710-acre-feet reservoir… Read More »
Monterey Dam Replacement
The Monterey Dam, owned by the Town of Oconomowoc, was constructed in 1848 and has undergone several rehabilitations. Mill Street is located over the dam. Under previous plans the dam was to be removed and a new bridge constructed over the restored channel. Due to local objections to dam removal, the Town decided to replace… Read More »