Schematic Drawing of Sedum by Xero Flo
TSA's Green Roof, like the bioswale is a landscape designed to capture and slow storm water run-off and treat it before releasing the run-off into the storm sewer system. As the storm water flows through the green roof system, sediments and other pollutants will settle out and thus, fewer pollutants flow into the sewer system and subsequently into the watershed.
Our green roof will be located in two places on the TSA campus, the largest portion of the green roof will be atop our four story school building and will cover approximately 2300 square feet. The green roof system planted on the upper roof contains thirteen varieties of vegetation, primarily sedum and succulents. All of the plants are native to alpine regions and like the plants selected for the bioswale are drought tolerant, able to withstand temperature extremes, and able to grow in shallow soil. The growing material is a series of layers that include a root barrier, a drainage mat, a fleece layer to help with water storage and movement and a growing medium layer.Also included in the green roof will be a series of garden pavers providing a walkway and "deck" area that allow TSA students to use the green roof as a "living lab," collecting and testing storn water run-off and integrating the project into the science and arts curriculum in various other ways. An additional portion of the green roof will be planted on a lower roof level and will cover approximately 620 square feet. The planting material on the lower green roof will consist of different mosses, which will provide a beautiful canvas of changing colors as we move through the seasons.
Currently, the structural support system for the green roof is being constructed and we are looking forward to planting the roof sometime over the summer. As with the bioswale, TSA students, faculty and staff will help to plant the green roof!
Our green roof will be located in two places on the TSA campus, the largest portion of the green roof will be atop our four story school building and will cover approximately 2300 square feet. The green roof system planted on the upper roof contains thirteen varieties of vegetation, primarily sedum and succulents. All of the plants are native to alpine regions and like the plants selected for the bioswale are drought tolerant, able to withstand temperature extremes, and able to grow in shallow soil. The growing material is a series of layers that include a root barrier, a drainage mat, a fleece layer to help with water storage and movement and a growing medium layer.Also included in the green roof will be a series of garden pavers providing a walkway and "deck" area that allow TSA students to use the green roof as a "living lab," collecting and testing storn water run-off and integrating the project into the science and arts curriculum in various other ways. An additional portion of the green roof will be planted on a lower roof level and will cover approximately 620 square feet. The planting material on the lower green roof will consist of different mosses, which will provide a beautiful canvas of changing colors as we move through the seasons.
Currently, the structural support system for the green roof is being constructed and we are looking forward to planting the roof sometime over the summer. As with the bioswale, TSA students, faculty and staff will help to plant the green roof!