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1 <br />i <br />1 <br />1 <br />1 <br />1 <br /> <br />Capacin~ <br /> <br />• Total basin capacity shall be 126 m'/ha (1800 ft'/acre) of contributing drainage <br />area. One half of this volume shall be in the form of a permanent pool, or wet <br />storage. The second half of this volume shall be in the form of a runoff storage <br />volume, or dry storage (see figure x.25). <br />CREST OF <br />EMERGENCY SPII-L~VAY <br />PRINCIPAL OUTLET <br />03 m (1') min <br />"DRY" p <br />['ORAGE c <br />0 <br />0 <br />..~T,. <br />EMBANKAiENT <br />OUTLET PIPE <br />Figure D-4 <br />Typical Sediment Pond <br />(CIX7I' 1995) <br />