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<br /> <br />Memo to Gary Curtiss -2- April 1, 1997 <br />divert flow on the road to the entrance gate sediment pond. Since <br />this diversion dike would detract from the utility of the road, and <br />because the dike would be unable to divert any Large flows coming <br />down the road, I would recommend that a grated transverse ditch, <br />resembling a cattle guard, be used instead. <br />6. The operator must provide a design for riprap on the road <br />embankment located west of the asphalt road below the elevation of <br />the Pond LB3 outlet splash pad, i.e., the road embankment needs to <br />be armored against the peak flow along the lower access road that <br />would occur during the 10 year return period storm. <br />C:\MP51\DEERCR%.STM <br />