Archive

USH 53/IH 94 Explosives Spill

Ayres provided spill response oversight after a truck containing explosives including ammonia nitrate and diesel fuel overturned on July 9, 2020, at the interchange of IH 94 and USH 53 in Eau Claire, Wisconsin. The hazardous materials at the accident scene flowed into a storm sewer and then flowed east and discharged into a ditch… Read More »

Carroll University Remediation

Working in conjunction with a private developer since 2005, the City of Waukesha, Carroll University, and the Waukesha Redevelopment Authority have planned, investigated, remediated, and begun development of high-tech college dormitories and commercial facilities known as the Carroll University Student Living Center. Ayres worked on two of the three sites the developer built, namely those… 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 »