Landscape Architect & Specifier News

JAN 2018

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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86 Landscape Architect and Specifier News problems simultaneously and in a more cost-effective and efficient manner than a piece-meal approach. It will also streamline the regulatory process, not only with respect to regulatory compliance for greenway buildout, but also in helping the city and local developers address TMDL (Total Maximum Daily Load) and MS4 (Municipal Separate Storm Sewer System) water quality requirements. The approach taken will also improve grant-writing success, yield greater local economic benefits and build stronger community support. The updated Greenway Master Plan was enthusiastically adopted by the Yreka City Council in early 2017. The master plan documents and Google Earth KMZ version can be found on Yreka's website at . When fully implemented, the master plan will achieve the following: • 11 miles of perennial stream corridor restoration (1.5 miles completed to date; 3.25 miles underway) • 4 miles of intermittent stream corridor restoration • 5 miles of ephemeral drainage restoration involving storm drain retrofits. (Ephemeral drainage refers to water that flows on occasion, such as runoff running in gullies down a slope, versus permanent flowing waters of streams and creeks.) • 5 miles of bioswale and small detention basin networks (1/2 mile completed to date at 2 schools) • 860 acres of floodplain and riparian restoration (50 acres completed to date) • 14 miles of paved multiuse trails (2 miles completed to date) • 6 miles of unpaved trails (1 mile completed to date) A small town is ideal for developing new ecological, sustainable approaches, due to lower land costs, less complex creek side development and less regulatory hurdles than larger cities. Nonetheless, these design solutions can be used in larger cities and neighborhoods with similar streams and drainage problems. Girl Scouts volunteers wash off after helping replant a portion of the Greenway. The boardwalk is an ADA- compliant "float-aside" laminated plank that is cabled to an abutment. It floats to the side during high flows without damaging the boardwalk or the stream bank, and is easily set back in place with a backhoe when the flows drop. Incorporating this design solution into the project provided more opportunities for trail users to be close to the creek and take loop hikes. PHOTO: JERRY MOSIER, SGPGA Ecological Retooling Continued from page 56 I n f o r m a t i o n R e q u e s t # 5 5 2

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