Clear Creek West Sewer Improvement

Project: Clear Creek West Sewer Improvement



Clear Creek West Sewer Improvement


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.


2MNEXT (Materials Managers and Engineers, Inc.) was established in 2010 in Atlanta, Georgia to provide engineering and inspection services in the areas of geotechnical, environmental, pavement management, materials engineering and testing, and special inspections.