Average Weekly Hours of Production Employees: Construction: Foundation, Structure, and Building Exterior Contractors in Michigan was 38.90000 Hours per Week in March of 2022, according to the United States Federal Reserve. Historically, Average Weekly Hours of Production Employees: Construction: Foundation, Structure, and Building Exterior Contractors in Michigan reached a record high of 40.70000 in June of 2020 and a record low of 30.30000 in January of 2005. Trading Economics provides the current actual value, an historical data chart and related indicators for Average Weekly Hours of Production Employees: Construction: Foundation, Structure, and Building Exterior Contractors in Michigan - last updated from the United States Federal Reserve on March of 2024.