FLOOD02208

• Designation Number: 547
• County: Gilpin
• Community: Black Hawk
• Basin: South Platte
• Title: Draft Report - Reconstituition of 1979 Flood Peaks, North Clear Creek, Gregory Gulch, and Chase Gulch
• Date: 4/26/2001
• Designation Date: 5/1/2001
• Floodplain - Doc Type: Floodplain Report/Masterplan

<1> TOLERANCE (ft) = 0.010

1

CURRENT DATE: 04-19-2001
CURRENT TIME: 10:26:02

FILE DATE: 04-19-2001
FILE NAME: DOROTHY

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fHWA CULVERT ANALYSIS
HY-8, VERSION 6.1

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I C I SITE DATA I CULVERT SHAFE, MATERIAL, INLET I
I u 1--------------------------(-----------------------------------------------1
1 L I INLET OUTLET CULVER'!' J BARRELS I
I V I ELEV. ELEV. LENGTR I SHAPE SPAN RISE MANNING INLET I
INO.I 1ft) (ftl (ft) I MATERIAL (ftl (ftl n TYPE I
! 1 18949.00 8946.40 68.05 I 1 Rep 2.00 2.00 .013 CONVENTIONAL I
I 2 I I I
I 3 (I I
I 4 I I I
I 5 I I I
I 6 I I I
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SUMMARY OF CULVERT FLOWS (efsl FILE: DOROTHY DATE: 04-19-2001
ELEV eft) TOTAL 1 2 3 4 5 6 ROADWAY ITR
8949.00 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.00 1
8952,80 25,0 25,0 0.0 0.0 0.0 0.0 0.0 0.00 1
8958,11 100.0 45,3 0.0 0.0 0.0 0.0 0.0 54.38 9
8958.88 150.0 45.7 0.0 0.0 0.0 0.0 0.0 103,73 5
8959.01 200.0 46.1 0.0 0,0 0.0 0.0 0.0 152.72 4
8959.13 250.0 46.4 0.0 0,0 0.0 0.0 0.0 2Q2.96 4
8959.24 300.0 46.7 0.0 0,0 0.0 0.0 0.0 250,71 3
8959.34 350.0 47.0 0.0 0.0 0.0 0,0 0.0 300.52 3
8959,44 400.0 47.2 0.0 0.0 0.0 0.0 0.0 350.63 3
8959.53 450.0 47.4 0.0 0.0 0.0 0.0 0.0 400.41 3
8959,62 500.0 47,7 0.0 0.0 0.0 0.0 0,0 450.47 3
8958.40 44..5 44.5 0.0 0.0 0.0 0.0 0.0 OVERTOPPING
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SUMMARY OE' ITERA'l'IVE SOLUTION ERRORS FILE: DOROTHY DATE: 04-19-2001
HEAO HEAD TOTAL FLOW % FLOW
ELEV (ftl ERROR (ftl FLOW (efs) ERROR (efs) ERROR
8949.00 0.000 0.00 0.00 0.00
8952.80 0.000 25,00 0.00 0.00
8958.71 -0.001 100.00 0.32 0.32
8958.88 -0.003 150.00 0.53 0.35
8959,01 -0.008 200.00 1.19 0.60
8959.13 -0.006 250.00 0.63 0,25
8959.24 -0.004 300.00 2.60 0.87
8959.34 -0.004 350.00 2.53 0.72
8959,44 -0.003 400.00 2.11 0.54
8959.53 -0.003 450.00 2.15 0.48
8959.62 -0.003 500.00 1.68 O.3B
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<2> TOLERANCE (%) ~ 1.000

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