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<br />10( <br /> <br />100.YEAR FLOOD PLAIN <br /> <br />., <br /> <br />FLOODWAY <br />FRINGE <br /> <br />FLOODWAY <br /> <br />FLOODWAY <br />FRINGE <br /> <br />11 <br /> <br />STREAM <br />CHANNEL. <br /> <br />. <br /> <br />. <br /> <br /> <br />AREA OF FLOOD PLAIN THAT COULD <br />BE USED FOR DEVELOPMENT BY <br />RAISING GROUND <br /> <br />AREA OF FLOOD PLAIN <br />WHERE DEPTH 5<1,5 FEET <br />AND VELOCITY~3 FEET PER SECOND <br /> <br />LINE AB IS THE FLOOD ELEVATION BEFORE ENCROACHMENT <br /> <br />Figure 7. <br /> <br />Floodway Schematic for Mountain Area Streams <br /> <br />. <br /> <br />Ie( <br /> <br />100-YEAR FLOOD PLAIN <br /> <br />.1 <br /> <br /> <br />FLOODWAY <br />FRINGE <br /> <br /> <br />FLOODWAY <br /> <br />FLOODWAY <br />FRINGE <br /> <br />.. <br /> <br />STREAM <br />CHANNEL <br /> <br />FLOOD ELEVATION WHEN <br />CONFINED WITHIN FLOODWAY <br /> <br /> <br />AREA OF FLOOD PLAIN THAT COULD <br />BE USED FOR DEVELOPMENT BY <br />RAISING GROUND <br /> <br />~7 <br />FLOOD ELEVATION <br />BEFORE ENCROACHMENT <br />ON FLOOD PLAIN <br /> <br />LINE AB IS THE FLOOD ELEVATION BEFORE ENCROACHMENT. <br />LINE CD IS THE FLOOD ELEVATION AFTER ENCROACHMENT. <br />'SURCHARGE IS NOT TO EXCEED 1,0 FOOT (FIA REQUIREMENT) OR LESSER AMOUNT IF SPECIFIED BY STATE. <br /> <br />.. <br /> <br />Figure 8. <br /> <br />Floodway Schematic for Plains Area Streams <br /> <br />. <br /> <br />19 <br />