Today's topic continues or previous discussion of detention/retention systems by taking a close look at underground stormwater management design & lifespan.  Our guest speaker this week is Savannah Ward & Brandon Scherber of TrueNorth Steel in Fargo, ND.   TrueNorth Steel is proud to provide steel-based solutions for customers’ projects in a variety of industries. With more than 75 years of manufacturing, engineering and project management experience, TNS delivers high-quality construction and storage solutions across the United States.