FLOOD04180

• County: Weld
• Basin: South Platte
• Title: Project Notebook for I-25 Corridor Master Drainage Plan South Weld County: Volume 1 of 2
• Date: 12/6/1999
• Prepared For: Weld County Public Works
• Prepared By: Anderson Consulting Engineers, Inc.
• Floodplain - Doc Type: Floodplain Report/Masterplan

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CURRENT OATE: 03-15-1999
CURRF~T TIME: 16:52:37

FILE DATE: 03-15-1999
FILE NAME: GWCR16

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FHWA CULVERT ANALYSIS
HY-8, VERSION 6.0

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C I S!TE DATA I CULVERT SHAPE, MATERIAL, INLET I
U ,-.....--------.--.--.-----1-------..----------....-.-.--------------------,
l I I NlET OUTLET CULVERT I BARRELS 'I
V I ELEV. ElEV. LENGTH I SHAPE SPAN RISE MANNING INLET ,
INO., (ft) Cft) (ft) I MATERIAL Cft) (ft) n TYPE ,
, 1 14935.05 4935.05 38.00 I 1 CAPA 7.75 6.00 .035 CONVENTIONAL I
I 2 I 1 I
I 3 I I I
, 4 'I I
I 5 I I I

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SUMMARY OF CULVERT FLOWS Cds) FilE: GWCR16 DATE: 03-15-1999
ElEV Cft) 10TAl 1 2 3 4 5 6 ROADWAY ITR
4935.05 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.00 1
4937.40 40.0 40.0 0.0 0.0 0.0 0.0 0.0 0.00 1
4938.44 80.0 80.0 0.0 0.0 0.0 0.0 0.0 0.00 1
4939.29 120.0 120.0 0.0 0.0 0.0 0.0 0.0 0.00 1
4940.06 160.0 160.0 0.0 0.0 0.0 0.0 0.0 0.00 1
4940.38 200.0 176.3 0.0 0.0 0.0 0.0 0.0 22.38 9
e~ 240.0 182.1 0.0 0.0 0.0 0.0 0.0 55.90 7
280.0 184.4 0.0 0.0 0.0 0.0 0.0 92.98 6
,.73 320.0 186.7 0.0 0.0 0.0 0.0 0.0 130.66 6
4940.80 360.0 200.0 0.0 0.0 0.0 0.0 0.0 162.19 3
4940.86 400.0 200.0 0.0 0.0 0.0 0.0 0.0 199.89 3
4940.12 163.0 163.0 0.0 0.0 0.0 0.0 0.0 OVERTOPPING

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SUMMARY OF ITERATIVE SOLUTION ERRORS FILE: G~CR16

HEAD HEAD TOTAL FLOW
ElEV Cft) ERROR Cft) FLOW (efs) ERROR (e18)
4935.05 0.000 0.00 0.00
4937.40 0.000 40.00 0.00
4938.44 0.000 80.00 0.00
4939.29 0.000 120.00 0.00
4940.06 0.000 160.00 0.00
4940.38 -0.004 200.00 1.37
4940.53 -0.004 240.00 2.00
4940.64 -0.005 280.00 2.63
4940.73 -0.004 320.00 2.64
4940.80 0.002 360.00 -2.19
4940.86 0.000 400.00 0.11

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DATE: 03-15-1999

% FLOW
ERROR
0.00
0.00
0.00
0.00
0.00
0.69
0.83
0.94
0.83
-0.61
0.03
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<2> TOLERANCE (%) = 1.000

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<1> TOLERANCE Cft) = 0.010

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