Excerpted from LEED 2009 for Neighborhood Development
To encourage walking, bicycling, and transit use and discourage excessive motoring speeds. To reduce urban heat islandA densely populated area in which pavement and buildings absorb, store, and release solar energy, making the vicinity warmer than it would be if the pavement and buildings were not present. effects, improve air quality, increase evapotranspiration, and reduce cooling loads in buildings.
Design and build the project to provide street trees on both sides of at least 60% of new and existing streets within the project and on the project side of bordering streets, between the vehicle travel way and walkway, at intervals averaging no more than 40 feet (12 meters) (excluding driveways and utility vaults).
Trees or other structures provide shade over at least 40% of the length of sidewalks on streets within or contiguous to the project. Trees must provide shade within ten years of landscape installation. Use the estimated crown diameter (the width of the shade if the sun is directly above the tree) to calculate the shaded area.
Obtain a registered landscape architect’s determination that planting details are appropriate to growing healthy trees, taking into account tree species, root medium, and width and soil volume of planter strips or wells, and that the selected tree species are not considered invasive in the project context according to USDAUnited States Department of Agriculture (USDA) is the U.S. federal department that administers programs that provide services to farmers. or the state agricultural extension service.
I am looking for a letter template that checks all of the approprate boxes for the required registered Landscape Archtitect statement declaring: "the details and tree species are appropriate based on the ratting system."
Or, would it be enough to simply have a registered Landscape Architect, familiar with the project, sign a page with the above statement?
Tom, I'm unaware of any templates, but all that's required is quoting the credit's third paragraph on a registered landscape architect's letterhead beginning with the words 'Planting details are...'.
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