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51 <br /> all-weather surfaces consisting of four (4) inches of base material <br /> (crusher run) and 1-1/2 inches of 1-2-asphalt or tar and gravel surface <br /> treatment consisting of a minimum of six (6) inches of base material <br /> (crusher run) covered with alternating layers of tar and pea-sized gravel. <br /> For Class A, B and C private roads, acceptable materials for surfacing the <br /> travelway is Aggregate Base Course (commonly called "crusher run" ) . Soil <br /> type base materials (commonly called "Chapel Hill Gravel" or "Chapel Hill <br /> Grit" ) will be acceptable under the following conditions: <br /> The material originates form a quarry approved by the North Carolina <br /> department of Transportation. <br /> The grade of the road is less than 8%. <br /> Where the grade is greater than 8 percent a layer of crusher run <br /> stone will be placed over the Chapel Hill Gravel before compaction. <br /> Sources of surface material shall be verified with the certifying <br /> professional before placement. <br /> ********************************** <br /> ORDINANCE REVIEW SUBCOMMITTEE: October 10, 1995 <br /> PLANNING BOARD REVIEW: <br /> BOCC REVIEW: <br />