Portfolio Archive

Green infrastructure is an important design strategy for protecting water quality that provides multiple community benefits.

Boone Boulevard is an east-west road that is located in the northwest quadrant of Atlanta. It passes through several neighborhoods and crosses the future path of the Atlanta Beltline, a large-scale multiuse trail and greenway system. The City of Atlanta has been considering the redevelopment and of Boone Boulevard (previously named Simpson Road) for several years and revive its neighborhoods.

Implementing a green infrastructure project along Boone Boulevard complements the City’s concept for this corridor and could be integrated with several planned roadway improvements. This corridor is being reconstructed between Chappell Road and Northside Drive to reduce the road from four lanes to two lanes and to add improved bike lanes.

The City of Atlanta’s Department of Watershed Management has identified the need for an underground storage vault to be installed to increase the storage capacity of the existing combined sewer system in the Clear Creek West basin. The vault associated with this project is located in the southeastern corner of the existing Civic Center parking lot adjacent to Ralph McGill Boulevard. The Butler Street trunk and relief combined sewers drain the upper section of the west Clear Creek basin. During certain rainfall events this system can become surcharged, which may result in flooding. The storage vault will store excess combined sewer flows from the Butler Street Relief Combined Sewer, which intercepts the Butler Street Trunk Combined Sewer at the I-75/85 entrance ramp from Freedom Parkway and Highland Avenue. Stored combined sewer flow in the vault will reduce the peak flow in the downstream combined sewer helping to reduce flooding. This stormwater vault will help manage rainfall runoff from the adjacent federal highways and downtown portions of the basin. Additionally, implementation of green infrastructure projects are proposed to further manage combined sewer peak flows to the combined sewer system and to reduce the required capacities of the vaults.