Portland & Washington Avenue Regulator Improvements

Owner: City of Minneapolis

Location: Minneapolis, MN

Description: Green construction does not always have to look green. More often than not green construction techniques are hidden from view. In this project separating natural water runoff from other waste systems greatly reduces the built infrastructure and power necessary to sanitize. 80 foot underground maintenance facility downtown Minneapolis with tunnels, stairs, and sewer improvements; a new regulator, separation of storm, and sanitary sewer main. Project involved soil grouting & waterproofing, and installation of groundwater management system to manage groundwater infiltration through the sandstone.