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<br />FLOODING SOURCE
<br />
<br />FLOODWAY
<br />
<br />CROSS SECTION
<br />
<br />Big Dry Creek
<br />
<br />A
<br />B
<br />C
<br />D
<br />E
<br />F
<br />G
<br />H
<br />1
<br />J
<br />K
<br />L
<br />M
<br />N
<br />o
<br />p
<br />Q
<br />R
<br />
<br />DISTANCE'
<br />
<br />WIDTH
<br />(FEET)
<br />
<br />SECTION AREA
<br />(SQUARE FEET)
<br />
<br />1,253
<br />1,551
<br />2,066
<br />2,446
<br />3,839
<br />6,273
<br />7,827
<br />8,180
<br />9,024
<br />9,518
<br />9,999
<br />1l,079
<br />13,205
<br />13,756
<br />14,190
<br />14,513
<br />15,055
<br />15,444
<br />
<br />165
<br />48
<br />150
<br />150
<br />82
<br />141
<br />131
<br />144
<br />41
<br />88
<br />III
<br />62
<br />157
<br />405
<br />80
<br />225
<br />55
<br />74
<br />
<br />1,073
<br />488
<br />1,934
<br />1,380
<br />694
<br />1,743
<br />1,107
<br />789
<br />511
<br />1,336
<br />1,266
<br />531
<br />1,076
<br />2,157
<br />564
<br />793
<br />692
<br />849
<br />
<br />1 Feet Above Confluence With South Platte River
<br />
<br />T
<br />A
<br />B
<br />L
<br />E
<br />
<br />2
<br />
<br />FEDERAL EMERGENCY MANAGEMENT AGENCY
<br />CITY OF LITTLETON, CO
<br />(ARAPAHOE AND DOUGLAS CO.)
<br />
<br />MEAN VELOCITY
<br />(FEET PER
<br />SECOND)
<br />
<br />8.3
<br />18.2
<br />4.6
<br />6.4
<br />12.8
<br />5.1
<br />8.0
<br />11.3
<br />17.4
<br />6.7
<br />7.0
<br />16.8
<br />8.1
<br />4.0
<br />15.4
<br />11.0
<br />12.4
<br />10.1
<br />
<br />REGULATORY
<br />
<br />5,314.6
<br />5,318.2
<br />5,329.4
<br />5,329.5
<br />5,334.1
<br />5,354.4
<br />5,362.7
<br />5,365.6
<br />5,371.3
<br />5,379.2
<br />5,379.7
<br />5,387.2
<br />5,407.5
<br />5,408.0
<br />5,411.1
<br />5,415.7
<br />5,419.7
<br />5,420.9
<br />
<br />BASE FLOOD
<br />
<br />WATER-SURFACE ELEVATION
<br />
<br />I WITHOUT I WITH I
<br />FLOODWAY FLOODWAY
<br />
<br />(FEET NGVD)
<br />
<br />5,314.6
<br />5,318.2
<br />5,329.4
<br />5,329.5
<br />5,334.1
<br />5,354.4
<br />5,362.7
<br />5,365.6
<br />5,371.3
<br />5,379.2
<br />5,379.7
<br />5,387.2
<br />5,407.5
<br />5,408.0
<br />5,411.1
<br />5,415.7
<br />5,419.7
<br />5,420.9
<br />
<br />5,315.5
<br />5,318.2
<br />5,329.4
<br />5,329.5
<br />5,334.5
<br />5,354.4
<br />5,362.8
<br />5,365.6
<br />5,372.1
<br />5,379.2
<br />5,379.7
<br />5,387.2
<br />5,407.5
<br />5,409.0
<br />5,411.1
<br />5,415.7
<br />5,419.7
<br />5,421.3
<br />
<br />INCREASE
<br />
<br />0.9
<br />0.0
<br />0.0
<br />0.0
<br />0.4
<br />0.0
<br />0.1
<br />0.0
<br />0.8
<br />0.0
<br />0.0
<br />0.0
<br />0.0
<br />1.0
<br />0.0
<br />0.0
<br />0.0
<br />0.4
<br />
<br />FLOODWA Y DAliV~SED TO
<br />BIG DRY CREEJ{EflECJ lOMI
<br />DATED JtJ~ 29200
<br />
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