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<br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br /> <br />C"I'1PA-,(E. lfJ,ttl L<1(1..">: . <br />/ DC 1 1'17 ~ QI" :: '''><-()v ,.J", <br />f AfI1... l'nO(S~p.~)QI";' G7'So .of. <br /> <br />1. 100-year flood discharge. 12,500 cfs based on the Flood <br />Insurance Study (Table 1, page~ S <br /> <br />2. Encroachments will be allowed such that the water surface <br /> <br />profile based on existing conditions is Dot raised more <br /> <br />than one ~. <br />, <br /> <br />3. A site plan with contours should be submitted showing the <br />100-year floodplain and floodway across the subject <br /> <br />property. <br /> <br />~~~ <br />~'",v? <br />\0111 <br /> <br />IV. MAPPING <br /> <br />Aerial photography was used to provide the contour mapping <br />(scale 1" . 100' with 2' contours) shown on Plate 1. The topographic <br />mapping, prepared by Lan..ark Mapping under a separate contract, was <br />compiled based on March 8, 1980 photographs and elevations are based <br />on USGS datum. <br /> <br />~ <br /> <br />toft' <br /> <br />(M;1 ~ I <br />\v~\ <br /> <br />,It- <br /> <br />V. HYDRAULIC ANALYSES <br />,\^ "if'" <br />::. _ \0 .,'\ <br />~nnel eross sections were selected for use in the ~t~vY~ V <br />hydraulic analysis. The locations of the cross sections are shown viO~ <br /> <br />on Plate-l. Digitized cross section dat was obtained for input <br /> <br /> <br />into the water surface profile computer <br /> <br />,,\V ;'v~ /~'-t <br />\~(/ V " -;0-,) <br />~ \J~ t1~~ <br />tlo1' <br /> <br />J <br /> <br />-4- <br />