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Sanitary Sewer at Tulane Research Facility Enlarged to Accommodate Campus Expansion Since its inception in 1964, the Tulane research campus has been expanded several times. During this expansion, the sanitary sewer treatment plant was modified to adjust to new loadings by adding oxidation ponds and a constructed wetlands area. Learn More
EPA Compliance Reached Through Fort Madison CSO Project The U.S. Environmental Protection Agency issued a Consent Order requiring the City of Fort Madison to address combined sewer overflows (CSOs) by either implementing disinfection of CSOs or eliminating them. Learn More
Disinfection Key in Keeping Combined Sewer Overflow Discharge Safe for the Mississippi Contact time between the disinfectant chemical and overflow water is achieved in 1,000 feet of shallow 60-inch pipe rather than a deep concrete tank considered during preliminary design. Learn More
Purifying Wastewater for Reuse Stanley Consultants provided construction management services for the Doha North Sewerage Treatment and Pipeline project, a large and complex wastewater sewer treatment and conveyance system in Doha, Qatar. Learn More
Sewer Separation Improves River Quality, Complies with EPA Standards The benefits of the CSS separation project are far reaching and the water quality in the Mississippi River has improved dramatically. Learn More
Westside Diversion Tunnel = Economic Growth for the Quad Cities This unique view of the Davenport Westside Diversion Tunnel project captures the girth of the new sewer line. The project has resolved the sewer problems and indirectly enhanced the City’s economic base. The water environment in the Mississippi River and the habitat for local wildlife, waterfowl, and fish has significantly improved. Learn More
Sewerage Improvements Among Largest Design-Build Wastewater Projects Stanley Consultants provided engineering services to rehabilitate all trunk sanitary sewers and five wastewater pumping stations for the City of Suez, Egypt. Learn More
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Improving Baton Rouge’s Sewer System with New Wastewater Pump Stations

Baton Rouge and East Baton Rouge Parish, Louisiana, retained Stanley Consultants to design 16 new pump stations using submersible pumps to replace existing pumps stations.

For many years the City of Baton Rouge and East Baton Rouge Parish (C-P) have worked to resolve city-wide sewer problems.  Of primary concern is sanitary sewer overflow. Excessive rain, groundwater in the collection lines, leaky manholes and undersized sewage pump stations have all led to the discharge of untreated sewage into the environment.  This discharge has compounded the major urban pollution problems that C-P is experiencing from non-point sources of runoff entering lakes, bayous, creeks and rivers.

To improve the quality of life for residents, as well as comply with federal mandates, the C-P has embarked on a parish-wide program which includes comprehensive rehabilitation projects, capacity improvement projects, and wastewater treatment and storage improvement projects.

The C-P retained Stanley Consultants to design 16 new pump stations using submersible pumps to replace existing pumps stations that vary in size from 100 gpm to 20,000 gpm.  The three existing inline booster pump stations and 13 small duplex pump stations are being replaced with submersible pump stations that will have between 4 to 6 pumps.  The three larger stations will be modeled using computational fluid dynamics to ensure that the flow from the station meets the system demand.  Careful consideration is being given to how to switch the flow once the new stations are completed as all existing pump stations must remain in service during construction.

These projects are expected to improve efficiencies, and position the C-P for millions of dollars in fiscal savings through a 25-year planning period.

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