SW6201201_Storm outlet_20201210

ATE
DESIGN PHASE
1-11-20
PRELIMECT
NAME
FLOCATION
PROJECT NO
CONSTR / XLine
Brewe
1641
REVISION
RECORD
BY
Harnett County, North Carolina
UP
OTHER
(SPECIFY)
CHECKED BY
CSB
Flume typical (Max Flow)
FES No.=
Flume
Pipe Dia=
24
in
Q10 =
2.30
cfs
Qfull =
2.30
cfs
Vfull =
2.36
fps
From Fig. 8.06.b.1:
From Fig. 8.06.b.2:
t
3
Length
Storm Outlet Structure
FES No.=
FES 1
Pipe Dia=
30
in
Q10 =
62.71
cfs
Qfull =
65.77
cfs
Vfull =
13.38
fps
From Fig.
8.06.b.1:
From Fig.
8.06.b.2:
Zone
D50
DMAX
Riprap Class
Apron Thickness
Apron Length
Apron Width @ Outlet
Apron Width @ End
Zone
D50
DMAX
Riprap Class
Apron Thickness
Apron Length
Apron Width @ Outlet
Apron Width @ End
Q10/Qfull = 1.00
V/Vfu I = 1.14
V = 2.7 fps
= 1
= 4 in
= 6 in
= A
= 9 in
= 8.0 ft
= 6 ft
= 10.0 ft
Q10/Qfull = 0.95
V/Vfu I = 1.14
V = 15.2 fps
= 2
= 8 in
= 12 in
= B
= 18 in
= 15.0 ft
= 7.5 ft
= 17.5 ft
1641 Storm.xlsx LATEST REVISION: 12/10/2020 3:44 PM PAGE 1 OF 2

• `
DATE
DESIGN PHASE
1-11-20
PRELIMME
rPROJECT
PROJECT NO
CONSTR / Xwe
1641
REVISION
RECORD
BY
Harnett County, North Carolina
UP
OTHER
(SPECIFY)
CHECKED BY
CSB
Storm Outlet Structure
FES No.=
FES 3
Pipe Dia=
36
in
Q10 =
45.17
cfs
Qfull =
142.71
cfs
Vfull =
20.16
fps
From Fig. 8.06.b.1: Zone
From Fig. 8.06.b.2:
L
v 3
Length
Q10/QfuI1 = 0.32
V/Vfu11 = 0.87
V = 17.6 fps
= 2
D50
= 8 in
DMAX
= 12 in
Riprap Class
= B
Apron Thickness
= 18 in
Apron Length
= 18.0 ft
Apron Width @ Outlet
= 9 ft
Apron Width @ End
= 21.0 ft
1641 Storm.xlsx LATEST REVISION: 12/10/2020 3:44 PM PAGE 2 OF 2