Landscape Contractor / Design Build Maintain

JAN 2016

LC/DBM provides landscape contractors with Educational, Imaginative and Practical information about their business, their employees, their machines and their projects.

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Page 40 of 71

Above: Standards for when a retaining wall requires a permit, as well as retaining wall codes, vary not just from state to state, but from county to county and even from city to city. Check with local government offices for the laws in your area. The National Concrete Masonry Association, or NCMA, has outlined recommendations for the industry to use as a guide to building and obtaining permits for retaining walls. Find them online at . Right: The 2012 International Building Code requires a permit for retaining walls over 4' in height, measured from the bottom of the footing to the top of the wall – not measured by exposed wall. Walls that support a surcharge and are less than 4' in height may also require a permit. NCMA standards follow the recommendations and requirements laid out in the International Building Code. If the wall is to be less than 4' in height, follow the engineering recommended by the wall manufacturer. If the wall is greater than 4', NCMA recommends that the design be at least reviewed by, if not prepared by, a registered professional. PHOTO: MANZERS LANDSCAPE DESIGN AND DEVELOPMENT January 2016 41

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