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width of curb • <br /> linear feet <br />(2) Cul-de-sacs (use either subsection a or subsection b of this Section, as is <br />applicable): <br />a. (P/2 + 10) (Wr + 2Wc) = square feet <br />Where: <br /> perimeter of right-of- <br />way <br /> width of roadway <br /> width of curb <br />b. (Wr + 2Wc) x (]f) + (r + Wc)2 = square feet <br />Where: <br /> width of roadway <br /> width of curb <br /> 3.142 (linear feet to point of tangency <br />with cul-de-sac turnaround <br /> radius of turnaround pavement <br />(3) Driveway approaches: <br />(16) x (9.5) x (N) = square feet <br />Where: <br /> average driveway width in feet <br /> length of driveway approach for <br /> standard ten-foot curb base minus <br /> curb. (This factor may vary <br /> depending on ROW and resulting <br /> curb base.) <br /> total number of lots <br />• <br />0