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

0.20
0.33
Outlet
(Subcritical) -
1
0.40 0.65 Outlet (Subcritical) 2
0.60 0.98 Inlet (Supercritical) 3
0.80 1.53 Inlet (Supercritical) 3
1.00 2.09 Inlet (Supercritical) 3
1.20 2.68 Inlet (Supercritical) 4
1.40 3.20 Inlet 5
1.60 3.63 Inlet 5
1.80 4.05 Inlet 5
2.00 4.39 Inlet 5
______°°°°°== =~a_°°°°____ __°°_°_= =~~~aa__~_a:_r~~~aa~~e_e_
Diameter: 15 inches
Headwater Discharge Flow
(ft)
------------- (cfs)
------------ Control
------------------------ Type
---------
0.20 0.38 Outlet (Subcritical) i
0.40 0.76 Outlet (Subcritical) 2
0.60 1.24 Inlet (Supercritical) 3
0.80 1.88 Inlet (Supercritical) 3
1.00 2.63 Inlet (Supercritical) 3
1.20 3.45 Inlet (Supercritical) 3
1.40 4.30 Inlet (Supercritical) 4
1.60 5.10 Inlet 5
1.80 5.78 Inlet 5
2.00 6.39 Inlet 5
Diameter: 18 inches
Headwater Discharge Flow
(ft)
------------- (cfs)
------------ Contr
-------- ol
---------------- Type
---------
0.20 0.43 Outlet (Subcritical) 1
0.40 0.86 Inlet (Supercritical) 3
0.60 1.49 Inlet (Supercritical) 3
0.80 2.26 Inlet (Supercritical) 3
1.00 3.15 Inlet (Supercritical) 3
1.20 4.13 Inlet (Supercritical) 3
1.40 5.21 Inlet (Supercritical) 3
1.60 6.36 Inlet (Supercritical) 3
1.80 7.46 Inlet (Supercritical) 4
2.00 8.42 Inlet 5

C fG