SW6220401_Design Calculations_20220621 (6)

OUTLET PROTECTION
DESIGN PHASE
DESIGN
PRELIM
PROJECT NAME
PROJECT NO
CONSTR / X /
Cameron Commercial
1766
REVISION
RECORD
LOCATION
BY
Harnett County, North Carolina
CSB
OTHER
(SPECIFY)
CHECKED BY
0
Storm Outlet Structure
FES No.=
PO-7
Pipe Dia=
24
in
Q10 =
10.51
cfs
Qfull =
44.53
cfs
Vfull =
14.16
fps
From Fig.
8.06.b.1:
From Fig.
8.06.b.2:
s
Length
Storm Outlet Structure
FES No.=
FES-9
Pipe Dia=
18
in
Q10 =
3.33
cfs
Qfull =
18.36
cfs
Vfull =
10.38
fps
From Fig.
8.06.b.1:
From Fig.
8.06.b.2:
Zone
D5o
DMAX
Riprap Class
Apron Thickness
Apron Length
Apron Width @ Outlet
Apron Width @ End
Zone
D5o
DMAX
Riprap Class
Apron Thickness
Apron Length
Apron Width @ Outlet
Apron Width @ End
Q10/Qfull = 0.24
V/Vfu I = 0.81
V = 11.4 fps
= 2
= 8 in
= 12 in
= B
= 18 in
= 12.0 ft
= 6 ft
= 14.0 ft
Q1 o/Qfu I = 0.18
V/Vfu11 = 0.75
V = 7.8 fps
= 2
= 8 in
= 12 in
= B
= 18 in
= 9.0 ft
= 4.5 ft
= 10.5 ft
1766-Storm Drainage.xls LATEST REVISION: 6/21/2022 7:10 AM PAGE 1 OF 1