<br />BASE FLOOD
<br />WATER SURFACE ELEVATION
<br />
<br />INCREASE
<br />
<br />I
<br />
<br />1 WITH
<br />FLOODWA Y
<br />(fEET NGVD)
<br />
<br />WITHOUT
<br />fLOODWA Y
<br />
<br />I
<br />
<br />REGULATORY
<br />
<br />MEAN
<br />VELOCITY
<br />(FEET PER
<br />SECOND)
<br />
<br />FLOODWA Y
<br />
<br />SECTION
<br />AREA
<br />(SOUARE
<br />fEET)
<br />
<br />WIDTH
<br />(FEET)
<br />
<br />FLOODING SOURCE
<br />
<br />1.0
<br />1.0
<br />0.9
<br />0.9
<br />
<br />5,240.7
<br />5,240.8
<br />5,240.8
<br />5,240.8
<br />
<br />,239.7
<br />,239.8
<br />,239.9
<br />,239.9
<br />
<br />5
<br />5
<br />5
<br />5
<br />
<br />5,239.7
<br />5,239.8
<br />5,239.9
<br />5,239.9
<br />
<br />2.5
<br />1.2
<br />0.8
<br />o . J.
<br />
<br />106
<br />210
<br />322
<br />217
<br />
<br />13
<br />31
<br />77
<br />584
<br />
<br />0lS1 ANCE
<br />
<br />850
<br />890
<br />630
<br />230
<br />
<br />1
<br />2
<br />
<br />CROSS SECTION
<br />
<br />Brandywine Creek
<br />A
<br />B
<br />C
<br />D
<br />
<br />0.0
<br />0.9
<br />0.0
<br />0.8
<br />0.8
<br />0.9
<br />0.3
<br />0.3
<br />0.7
<br />0.0
<br />0.0
<br />0.4
<br />0.0
<br />0.2
<br />0.0
<br />0.1
<br />0.0
<br />0.0
<br />0.2
<br />
<br />5,296.3
<br />5,300.5
<br />5,304.2
<br />5,309.3
<br />5,312.7
<br />5,319.1
<br />5,321.9
<br />5,324.1
<br />5,329.7
<br />5,333.6
<br />5,335.3
<br />5,338.4
<br />5,341.6
<br />5,346.3
<br />5,347.2
<br />5,347.5
<br />5,350.0
<br />5,355.4
<br />5,362.3
<br />
<br />5,296.3
<br />5,299.6
<br />5,304.2
<br />5,308.5
<br />5,311.9
<br />5,318.2
<br />5,321.6
<br />5,323.8
<br />5,329.0
<br />5,333.6
<br />5,335.3
<br />5,338.0
<br />5,341.6
<br />5,346.1
<br />5,347.2
<br />5,347.4
<br />5,350.0
<br />5,355.4
<br />5,362.1
<br />
<br />5,296.3
<br />5,299.6
<br />5,304.2
<br />5,308.5
<br />5,311.9
<br />5,318.2
<br />5,321.6
<br />5,323.8
<br />5,329.0
<br />5,333.6
<br />5,335.3
<br />5,338.0
<br />5,341.6
<br />5,346.1
<br />5,347.2
<br />5,347.4
<br />5,350.0
<br />5,355.4
<br />5,362.1
<br />
<br />6.6
<br />4.1
<br />4.5
<br />4.9
<br />5.7
<br />4.7
<br />3.2
<br />6.3
<br />6.7
<br />6.6
<br />8.7
<br />4.9
<br />9.4
<br />6.5
<br />4.6
<br />3.2
<br />9.1
<br />7.0
<br />6.8
<br />
<br />235
<br />381
<br />346
<br />308
<br />262
<br />317
<br />467
<br />239
<br />225
<br />229
<br />172
<br />307
<br />159
<br />232
<br />323
<br />426
<br />151
<br />196
<br />131
<br />
<br />4
<br />
<br />91
<br />166
<br />216
<br />129
<br />102
<br />241
<br />270
<br />196
<br />82
<br />120
<br />172
<br />76
<br />61
<br />89
<br />82
<br />111
<br />61
<br />85
<br />68
<br />
<br />6,965
<br />7,410
<br />8,120
<br />8,680
<br />9,120
<br />9,790
<br />10,200
<br />10,480
<br />11,010
<br />11,410
<br />11,530
<br />12,040
<br />12,540
<br />12,970
<br />13,080
<br />13,280
<br />13,800
<br />14,220
<br />15,180
<br />
<br />City Park
<br />Channel
<br />A
<br />B
<br />C
<br />o
<br />E
<br />F
<br />G
<br />H
<br />I
<br />J
<br />K
<br />L
<br />M
<br />N
<br />o
<br />p
<br />Q
<br />R
<br />S
<br />
<br />Above Confluence With Nissen Reservoir Channel
<br />
<br />1Feet
<br />
<br />FLOODWAY DATA
<br />
<br />BRANDYWINE CREEK-CITY PARK CHANNEL
<br />
<br />FEDERAL EMERGENCY MANAGEMENT AGENCY
<br />
<br />BOULDER COUNTY, CO
<br />AND INCORPORATED AREAS
<br />
<br />T
<br />A
<br />B
<br />l
<br />E
<br />5
<br />
|