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 SIZING UTILITY
ORCHARD VALLEY CULVERT "R" 100 YEAR
Design Discharge = 12.030
Entrance Loss Coefficient = 0.9
Pipe Length = 60.000
• Pipe Slope 9.000
=
Manning's n 0.024
Maximum Headwater = 2.500
Tailwater Depth = 0.000
cfs
Peet
X
Yeet
feet
Smallest Diameter Required to Pass Flow is 21 inches
PERFORMANCE CURVES:
Diameter: 18 inches
Headwater Discharge Flow
(Yt) (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
2.25 9.50 Inlet 5
2.50
------------- 10.47
------------ Inlet
--------
---------------- 5
---------
• Diameter: 21 inc hes
Headwater Discharge Flow
lft) (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 Znlet (Supercritical) 3

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