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<br />VI-4
<br />
<br /> TABLE VI-3
<br /> PHASE A
<br /> PROBABLE ANNUAL DAMAGES
<br /> RALSTON CREEK",
<br />Channel Status Quo
<br />Design w/Select Closed Nonstructural
<br />Frequency Improvements Grass-lined European Concrete-lined Conduit Strateg'y
<br />2 $ 317,100 $ 220,000 NA NA NA
<br />10 298,000 31,500 NA NA Nfl
<br />100 294,600 0........ NA NA NA $ 255,000
<br /> ....
<br />2 753,400 940,000 $ 940,000 NA NA
<br />10 281,100 124,200 124,200 NA NA
<br />100 261,500 0.'0', 0."* NA NA 260,000
<br />2 1 , 302, 1 00 1,200,000 1,220,000 $ 1,220,000 $860,000
<br />10 1,146,200 181,400 181,400 181,400 104,000
<br />100 1,082,000 0.1..0" 0...... Q.'d: O*,\- 1 ,040,000
<br /> "" "..
<br />2 475,000 429,200 429,200 NA NA
<br />10 395,000 67,100 67,100 NA NA
<br />100 320,000 0".". O,c NA NA 285,000
<br /> "" .-
<br />2 900 NA NA NA NA
<br />10 900 NA NA NA NA
<br />100 900 NA NA NA NA 700
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<br />Reach
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<br />2
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<br />3
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<br />4
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<br />5
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<br />.c Annual damages are estimated only for those alternatives investigated in particular reach.
<br />
<br />** Damages in 100-year channels are considered under 0 & M,
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