20061804 Ver 36_Rip Rap Outlet Protection_20201231

Rip-Rap Outlet Protection
Pipe #Outlet protection 1
Known:
18"RCP
Q10 =11.62 CFS
V10 =6.58 FPS
Min. Required:
La =8 FT
W =10 FT
3d0 =5 FT
d50 =0.4 (Rip Rap Size, FT)
*Use Class B Rip Rap over
Mirafi 140N 18 " in depth.
Rip-Rap Outlet Protection
Pipe #Outlet protection 2
Known:
42"RCP
Q10 =61.2 CFS
V10 =6.3 FPS
Min. Required:
La =21 FT
W =25 FT
3d0 =11 FT
d50 =0.7 (Rip Rap Size, FT)
*Use Class B Rip Rap over
Mirafi 140N 18 " in depth.
Rip-Rap Outlet Protection
Pipe #Outlet protection 3
Known:
36"RCP
Q10 =58.76 CFS
V10 =8.3 FPS
Min. Required:
La =21 FT
W =24 FT
3d0 =9 FT
d50 =0.6 (Rip Rap Size, FT)
*Use Class B Rip Rap over
Mirafi 140N 18 " in depth.
Rip-Rap Outlet Protection
Pipe #Outlet protection 4
Known:
42"RCP
Q10 =78.91 CFS
V10 =8.21 FPS
Min. Required:
La =22 FT
W =26 FT
3d0 =11 FT
d50 =0.7 (Rip Rap Size, FT)
*Use Class B Rip Rap over
Mirafi 140N 18 " in depth.
Rip-Rap Outlet Protection
Pipe #Outlet protection 5
Known:
36"RCP
Q10 =42.36 CFS
V10 =5.98 FPS
Min. Required:
La =20 FT
W =23 FT
3d0 =9 FT
d50 =0.6 (Rip Rap Size, FT)
*Use Class B Rip Rap over
Mirafi 140N 18 " in depth.
Rip-Rap Outlet Protection
Pipe #Outlet protection 6
Known:
24"RCP
Q10 =22.76 CFS
V10 =7.25 FPS
Min. Required:
La =14 FT
W =16 FT
3d0 =6 FT
d50 =0.5 (Rip Rap Size, FT)
*Use Class B Rip Rap over
Mirafi 140N 18 " in depth.