Culverts: The Essential Infrastructure You Never Knew You Needed
By Dan Sydow, PE The so-called “atmospheric rivers” that have dropped massive volumes of rain upon California this winter are calling renewed attention to the importance of adequate flood control infrastructure across the United States. About the Expert: Dan Sydow, PE, is Structural Engineering Group Manager of Ayres’ Midwest Transportation division. He has designed hundreds… Read More »
Tags: Culvert, Essential Infrastructure, Flood Control, Structural Design, Structural Inspection
Phase I Environmental Site Assessments and Updates
What is a Phase I Environmental Site Assessment? A Phase I Environmental Site Assessment (ESA) is a standardized method used by environmental professionals to identify the presence or likely presence of contamination from petroleum products or hazardous substances constituting a recognized environmental condition (REC) at the property and provide an opinion about whether additional investigation… Read More »
Tags: ASTM, Brownfield, CERCLA, Environmental, Environmental Liabilities, Environmental Site Assessment, ESA, Phase I, Phase I ESA, REC, Recognized Environmental Condition
Who Knows What You’ll Find When Building Roads
This giant boulder revealed itself during reconstruction of a city street. By Andy Dana, PE Design plans for road construction are just that – plans. However, sometimes those plans hit, shall we say, a roadblock. About the Expert: Andy Dana, PE, is a transportation project manager in Ayres’ Green Bay office. He has been involved… Read More »