Issue 1, 2017

| COVER STORY InterlockDesign.org esign interloc ® 2017 ISSUE 1 CROSS SECTION: — Machine-installed permeable pavers — 2 in. No. 89 stone — 4 in. No. 57 stone, open-graded base — 2 to 4 ft. No. 4 stone, open-graded subbase conventional THE SOUTHEAST ATLANTA GREEN INFRASTRUCTURE INITIATIVE COMPLETES LARGEST PERMEABLE PAVER ROADWAY PROJECT IN NORTH AMERICA I intervention By Brad Causey Crews maintained an average pace of 5,000 sf per day with machine installation. 6 n July 2012, a series of storms caused combined sanitary and storm sewer overflows in parts of southeast Atlanta, flooding homes and streets. After visiting the flood-prone neighborhoods, Mayor Kasim Reed committed to finding a long- term solution. Thus began the Southeast Atlanta Green Infrastructure Initiative, which led to the largest permeable interlocking concrete roadway project in North America, more than four miles. un