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EXISTING CONDITIONS
100—YEAR PEAK FLOWS
Drainage
Area
Area
(acre)
CN
Lag Time
(min)
Q
(cfs)
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0
N
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16.45
93.1
16.0
110
A2
93.50
90.7
48.8
351
A3
89.52
79.6
90.7
200
A4
115.30
87.8
58.9
376
A5
236.64
85.5
76.1
639
A6
185.33
86.4
43.9
716
JAl
—
—
—
2109
JA2
—
—
—
2098
JA3
—
—
—
1832
JA4
—
—
—
1664
JA4A
—
—
—
1079
JA5
—
—
—
639
JA6
—
—
—
716
BENCHMARKS:
CITY OF COLLEGE STATION MONUMENT
119 (EAST CORNER OF SITE)
GPS ELEVATION: 279.76'
SOUTHEAST CORNER OF CONCRETE BOX
(WEST CORNER OF SITE)
GPS ELEVATION: 297.81'
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LEGEND
----655 — — — — EXISTING CONTOURS
655 PROPOSED CONTOURS
---�--- PROPERTY BOUNDARY
185418 MODEL CROSS SECTION IDENTIFIER
■■■.. PROPSED 100 -YEAR FLOODPLAIN
■■.■.........■ FEMA EFFECTIVE 100 -YEAR FLOODPLAIN
— CHANNEL FLOWLINE
FLOODPLAIN DELINEATION BASED ON EXISTING CONDITION FLOWS.
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