Landscape Architect & Specifier News

JUN 2017

LASN is a photographically oriented, professional journal featuring topics of concern and state-of-the-art projects designed or influenced by registered Landscape Architects.

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92 Landscape Architect and Specifier News I n f o r m a t i o n R e q u e s t # 5 0 7 Phase 1 of canal stabilization in Miami Lakes, Fla., is making use of stacked 'geocells' to prevent further embankment erosion (before, left). Bank on It South Florida gets a lot of rain, and it often comes down in short, heavy torrents. Such rains are hard on the banks of storm water canals, causing topsoil loss and embankment erosion. The town of Miami Lakes has been experiencing severe erosion of its storm water canals for many years, but now, funding by the Florida legislature is allowing the city to embark on Phase 1 of canal stabilization. After evaluating flow rates, ADA Engineering designed a solution to protect the embankments using a 'geocell' confinement system ('GEOWEB' from Presto GeoSystems) made of high-density polyethylene. It was chosen for ease of installation and its ability to be filled with different materials (e.g., aggregates to larger rock) and stacked in wall-like configurations. ENCO Construction installed about 12,000 sq. ft. of geocells. The wall sections below the water line were filled with rock. Soil and vegetation were installed above the water line to create a natural look. Green wall panels atop the banks are an aesthetic screen, and will "blend" with the bank vegetation as it grows in.

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