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: 21 inches
Headwater Discharge Flow
(ft)
------------- (cfs)
------------ Contr
-------- ol
---------------- Type
---------
0.25 0.59 .Outlet (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 11.90 Inlet 5
2.50 13.32 Inlet 5

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 Inlet (Supercritical) 3
2.25 14.13 Inlet Su ercritical
( P ) 3

Diameter: 30 inches
Headwater. Discharge Flow
(ft)
------------- (cfs)
------------ Contr
-------- ol
---------------- Type
---------
0.25 0.75 Outlet (Subcritical) 2
0.50 1.86 Inlet (Supercritical) 3
0.75 3.41 Inlet (Supercritical) 3
1.00 5.24 Inlet (Supercritical) 3
1.25 7.32 Inlet (Supercritical) 3
1.50 9.62 Inlet (Supercritical) 3
1.75 12.12 Inlet (Supercritical) 3
2.00 14.81 Inlet (Supercritical) 3
2.25 17.67 Inlet (Supercritical) 3
2.50 20.69 Inlet {Supercritical) 3

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