Author: ayres

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 »

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 »

Land Surveyor Stolinas Promoted to Project Management Role

Chris Stolinas, PLS, was promoted recently to a project management role. He joined Ayres in 2014, bringing experience in construction layout and data collection for the development of record drawings. Stolinas achieved his licensure as a professional land surveyor in Wisconsin in 2021. Stolinas’ primary role is serving as a project surveyor on large-scale control… Read More »