A raised concrete walkway transitions into adjacent asphalt paving with a slope of plus or minus five percent. The asphalt paving has a typical thickness of three and a half inches and is supported by a six inch Class 2 aggregate base with a minimum compaction of ninety-six percent. The raised concrete walkway section measures eight inches in height and rests on granular borrow with a minimum compaction of ninety-five percent. The entire assembly sits on a prepared subgrade compacted to a minimum of ninety-five percent.
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