PERMFILE40253

• Permit No: C1994082
• IBM Index Class Name: Permit File
• Doc Date: 2/11/2001
• Doc Name: CULVERT DESIGNS
• Section_Exhibit Name: TAB 13 ATTACHMENT 13-8
• Media Type: D
• Archive: No

SEDCAD+ CULVERT SIZING UTILITY
CULVERT YA-S
•
-
Design Discharge
27.870
cfs
Entrance Loss Coefficient = 0.9
Pipe Length = 180.000 feet
Pipe Slope = 5.000 ~
Meaning's a = 0.026
Maximum Headwater = 2.750 feet
Tailwater Depth = 1.000 feet
Smallest Diameter Required to Pacs Flow is 36 inches
PERFORMANCE CURVES:
Diameter: 24 inches
Headwater Discharge Flow
(ft) (cfs) Control Type
0.28 0.71 Outlet (Subcritical) 2
0.55 1.73 Inlet (Supercritical) 3
0.83 3.14 Inlet (Supercritical) 3
1.10 6.86 Inlet (Supercritical) 3
1.38 6.76 Inlet (Supercritical) 3
1.65 8.88 Inlet (Supercritical) 3
1.92 11.19 Inlet (Supercritical) 3
•
2.20 13.67 Inlet (Supercritical) 3
2.68 15.91 Inlet 5
2.75 17.89 Inlet 5
3.03 19.67 Inlet 5
3.30 21.31 inlet 5
3.58 22.84 Inlet 5
3.85 26.26 Inlet 5
4.13
-------------
------------- 25.61
------------
------------ Inlet
--------
--------
----------------
---------------- 5
---------
---------
Diameter: 30 inches
Headwater Discharge Flow
(ft) (cfs) Control Type
0.28 0.83 Outlet (SUbcriticel) 2
0.55 2.14 Inlet (Supercritical) 3
0.83 3.93 Inlet (Supercritical) 3
1.10 6.04 Inlet (Supercritical) 3
1.38 8.64 Inlet (Supercritical) 3
1.65 11.10 Inlet (Supercritical) 3
1.92 13.98 Inlet (Supercritical) 3
2.20 17.08 Inlet (Supercritical) 3
2.48 20.38 Inlet (Supercritical) 3
• 2.75
3.03 23.87
27.03 Inlet
Inlet (Supercritical) 3
5
3.30 29.91 Inlet 5
3.58 32.54 Inlet 5
3.85 34.97 Inlet 5
6.13 37.24 Inlet 5