PERMFILE41445

• Permit No: C1981038
• IBM Index Class Name: Permit File
• Doc Date: 6/29/2004
• Section_Exhibit Name: Volume 8 Surface Drainage - Culvert Capacities
• Media Type: D
• Archive: No

Diameter: 18 inches
Headwater Discharge Flow
(ft)
------------- (cfs)
------------ Contr
--- ol Type

0.25
0.54 -----
Outlet ----------------
(Subcritical) ---------
2
0.50 1.12 Inlet (Supercritical) 3
0.75 2.04 Inlet (Supercritical) 3
1.00 3.15 Inlet (Supercritical) 3
1.25 4.40 Inlet (Supercritical) 3
1.50 5.75 Inlet (Supercritical) 3
1.75 7.22 Inlet (Supercritical) 3
2.00 8.42 Inlet 5
2.25 9.23 Inlet 5
2.50 9.71 Outlet 6
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Diameter: 21 inches
Headwater Discharge Flow
(ft)
------------- (cfs)
------------ Contr
-------- ol
---------------- Type
---------
0.25 0.59 Outset (Subcritical) 2
0.50 1.32 Inlet (Supercritical) 3
0.75 2.40 Inlet (Supercritical) 3
1.00 3.67 Inlet (Supercritical) 3.
1.25 5.12 Inlet (Supercritical) 3
1.50 6.74 Inlet (Supercritical) 3
1.75 8.49 Inlet (Supercritical) 3
2.00 10.31 Inlet (Supercritical) 4
. 2.25
2.50 11.90
13.32 Inlet
Inlet 5
5
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Diameter: 24 inches
Headwater Discharge Flow
(ft)
------------- (cfs)
------------ Contr
-------- ol
---------------- Type
---------
0.25 0.65 Outlet (Subcritical) 2
0.50 1.51 Inlet (Supercritical) 3
0.75 2.73 Inlet (Supercritical) 3
1.00 4.19 Inlet (Supercritical) 3
1.25 '5.86 Inlet (Supercritical) 3
1.50 7.70 Inlet (Supercritical) 3
1.75 9.70 Inlet (Supercritical) 3
2.00 11.85 Znlet (Supercritical) 3
2.25 14.13 Inlet (Supercritical) 3
2.50 16.09 Inlet 5
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•
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