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

SEDCAD+ CULVERT SI'L ING UTILI'PY _
ORCHARD VALLEY CULVERT "C" 10 YEAR
Design Discharge 3.010 cfs
Entrance Loss Coefficient = 0.9
Pipe Length 110.000 feet
. Pipe Slope = 2.700 3
Manning's n 0.024
Maximum Headwater 2.500 feet
Tailwater Depth 0.000 feet
Smallest Diameter Required to Pass Flow is 12 inches
PERFORMANCE CURVES:
Diameter: 9 inches
Headwater Discharge Flow
(ft)
------------- (cfs)
------------ Control
------------------------ Type
---------
0.25 0.34 Outlet (Subcritical) 1
0.50 0.68 Outlet (Subcritical) 2
0.75 1.00 Inlet (Supercritical) 3
1.00 1.09 Inlet (Supercritical) 3
1.25 1.17 Inlet (Supercritical) 4
1.50 1.25 Inlet (Supercritical) 4
1.75 1.34 Inlet (Supercritical) 4
2.00 1.42 Inlet (Supercritical) 4
2.25 1.50 Inlet 5
.2.50 1.58 Inlet 5
•
Diameter: 12 inches
Headwater Discharge Flow
(ft)
------------- (cfs)
------------ Control
------------------------ Type
---------
0.25 _
0.41 Outlet (Subcritical) 1
0.50 0.82 Outlet (Subcritical) 2
0.75 1.39 Inlet (Supercritical) 3
1.00 2.09 Inlet (Supercritical) 3
1.25 2.83 Inlet 5
1.50 3.09 Inlet 5
1.75 3.21 Inlet 5
2.00 3.33 Inlet 5
2.25 3.46 Inlet 5
2.50 3.58 Outlet 6

Diameter: 15 inches
Headwater Discharge Flow
(ft)
--------- (cfs) Control
-- Type
----
0.25 ------------
0.47 ----
--
Outlet ----------------
(Subcritical) ---------
1
0.50 0.95 Inlet (Supercritical) 3
0.75 1.72 Inlet (Supercritical) 3
.
1.00 2.63 Inlet (Supercritical) 3
1.25 3.67 Inlet (Supercritical) 3
1.50 4.71 Inlet (Supercritical) 4
1.75 5.39 Inlet 5
2.00 5.93 Outlet 6
2.25 6.15 Outlet 6 `-~/