Sandy Springs, GA
The Sembler Company
HGA provided engineering services for the design of an open-air stormwater management structure with a storage capacity of approximately 250,000 cubic feet. The stormwater management structure was comprised of approximately 637 linear feet of reinforced concrete retaining walls and an outlet control device that regulates the outflow of stormwater runoff from the site. The stormwater management structure was designed to accommodate the 100 year storm rainfall event, water quality and channel protection volumes as well.