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"LIYG UTILITY
ORCHARD VALLEY CULVERT "M" 100 YEAR
Design Discharge = 5.230 cfs
Entrance Loss Coefficient = 0.9
Pipe Length = 100.000 feet
Pipe Slope = 10.000 %
Manning's n 0.024
Maximum Headwater = 2.500 Peet
Tailwater Depth = 0.000 feet
Smallest Diameter Required to Pass Flow is 15 inches
PERFORMANCE CURVES:
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 3.42 Inlet 5
1.75 3.96 Inlet 5
2.00 4.39 Inlet 5
2.25 4.82 Inlet 5
2.50
------------- 5.20
------------ Inlet
------------------------- 5
--------
• Diameter: 15 inches
Headwater Discharge Flow
(ft)
------------- Icfs)
------------ 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 Znlet (Supercritical) 4
1.75 5.61 Inlet 5
2.00 6.39 Inlet 5
2.25 7.09 Inlet 5
2.50
-------------
------------- 7.71
------------
------------ Inlet
-------------------------
------------------------- 5
--------
--------
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 5.78 Inlet (Supercritical) 3
1.75 7.22 Inlet (Supercritical) 3
2.00 8.42 Inlet 5

c-y0