1. Green roofs are one of many techniques being used to address runoff from roofs. Initially, the greenroof on the UWaters building in Tacoma, along the Thea Foss Waterway, was a mix of drought tolerant and aesthetic flowers and perennial plants. Over time, invasive weeds, such as grasses and clover, became dominant and maintenance costs skyrocketed. Join us in watching UWaters replace their greenroof with a densely planted of sedum tiles. Issues addressed include: retrofit lessons learned, how to get materials to the jobsite, and rooftop safety concerns. These sedums are planted to mitigate invasives, with the added benefit of providing habitat for local wildlife.

    # vimeo.com/133948970 Uploaded 378 Plays 0 Comments
  2. One family in Carnation, WA wanted an eco friendly (passive) house. After careful research, and with the prospect of a prohibitively expensive well, they installed a large cistern to provide water to the home. This flagship project is the first of its kind to be permitted in King County. It uses an impressive series of filters and safeguards to ensure that the water is always safe to drink.

    # vimeo.com/133942623 Uploaded 2,408 Plays 0 Comments

Statewide LID Training 2015-2015: Intermediate LID Topics: Vegetated Roofs and Rainwater Collection Systems: Module 4.1

Washington Stormwater Center

This is an Intermediate-level course for engineers, planners, landscape architects, architects, local jurisdiction staff, developers, construction managers, and allied disciplines that plan, manage, review and inspect rainwater collection systems and…


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This is an Intermediate-level course for engineers, planners, landscape architects, architects, local jurisdiction staff, developers, construction managers, and allied disciplines that plan, manage, review and inspect rainwater collection systems and vegetated roof projects. The course provided current design guidelines, basic construction details, basic flow control and water quality treatment performance, and practical experience necessary to work with designers and contractors to ensure proper installation of these systems.

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