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December 9, 2015

Seattle firm designs stormwater system for new lake in Baton Rouge, Louisiana

By JOURNAL STAFF

Rendering courtesy of Green Earth Operations [enlarge]

Construction will begin next spring on the retail portion of Rouzan, a 110-acre mixed-use development near Louisiana State University’s campus in Baton Rouge.

JTS of Baton Rouge is developing Rouzan, including the 18-acre retail area called Rouzan Village, with shops, restaurants, commercial space and gathering places.

Seattle-based Green Earth Operations designed an innovative stormwater treatment system for a man-made lake in the retail village.

Green Earth said the system will remove nutrients from stormwater before it enters the lake. Nutrients can cause algal blooms that turn water green.

The system will use a vegetated filter called an Advanced Bioretention System to trap the nutrient phosphorus. Plants will take in nutrient nitrogen through their roots, and the filter will also remove grit and dirt.

Green Earth also designed roadside trenches with gravel and plants to screen debris such as cans, bottles and plastic bags so they can be removed.

Green Earth Operations is working with landscape architect SWA Group of Laguna Beach, California, and Baton Rouge-based civil engineer Benchmark Group.




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