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Ms. Michele McPherson <br />August 10, 2001 <br />Page Two <br /> <br />o <br /> <br />The storm drainage calculations account for a hundred-year runoff volume from <br />the entire site--both Lots 1 and 2. The pond is sized accordingly. However, <br />greater detail should be provided as to how the hundred-year runoff volume will <br />get to the pond without causing erosion. On Lot 2, a curb cut is indicated with a <br />swale leading into the pond. There is no detail relative to erosion protection in <br />this area. The pond also shows an overflow in the northeast corner. This area <br />should also have detail showing some type of erosion protection should the <br />overflow be needed. <br />The grading, drainage, and erosion control plan should have the high water pond <br />elevations shown on the drawing. <br /> <br />If you have any questions regarding any of these comments, please call. <br /> <br />Sincerely, <br /> <br />Howard R. Green Company <br />Terry ~Maurer, P.E. <br /> <br />TJM:mw <br /> <br /> Howard lq, Green Company <br />O:\PRO J~ 15280J\0240\Ltr-081001-McPhe~t~]~ U LTl N G ENGINEERS <br /> <br /> <br />