SW6220501_Design Calculations (Riprap)_20220621

ATE
DESIGN PHASE
2-11-22
PRELIM
rPROJECT NAME
PROJECT NO
CONSTR / Xview
Park
1722
REVISIONTION
RECORD
BY
Ho e Mills, North Carolina
UP
O THEIR
(SPECIFY)
CHECKED BY
CSB
Storm Outlet Structure
FES No.=
#REF!
Pipe Dia=
#REF!
in
Q10 =
#REF!
cfs
Qfull =
#REF!
cfs
Vfull =
#REF!
fps
From Fig.
8.06.b.1:
From Fig.
8.06.b.2:
s
Length
Storm Outlet Structure
FES No.=
PO 12
Pipe Dia=
24
in
Q10 =
11.77
cfs
Qfull =
59.49
cfs
Vfull =
18.91
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
Q1o/Qfull = #REF!
V/VfuII = #REF!
V = #REF! fps
P�
= 8 in
= 12 in
= B
= 18 in
= #REF! ft
= #REF! ft
= #REF! ft
Q10/Qful1 = 0.20
V/Vfull = 0.78
V = 14.8 fps
= 2
= 8 in
= 12 in
= B
= 18 in
= 12.0 ft
= 6 ft
= 14.0 ft
1722 Storm System.xlsx LATEST REVISION: 6/21/2022 7:48 AM PAGE 1 OF 3

ATE
DESIGN PHASE
PRELIM
2-11-22
rPROJECT NAME
PROJECT NO
CONSTR / Xview
Park
1722
REVISIONTION
RECORD
BY
,Hope Mills, North Carolina
UP
OTHER
(SPECIFY)
CHECKED BY
CSB
Storm Outlet Structure
FES No.=
PO 2
Pipe Dia=
15
in
Q10 =
2.42
cfs
Qfull =
13.86
cfs
Vfull =
11.28
fps
From Fig.
8.06.b.1:
From Fig.
8.06.b.2:
Storm Outlet Structure
FES No.=
PO 19
Pipe Dia=
24
in
Q10 =
13.55
cfs
Qfull =
21.47
cfs
Vfull =
6.83
fps
From Fig.
8.06.b.1:
From Fig.
8.06.b.2:
s
Length
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
Q1 o/Qfu I = 0.17
V/Vfu 11 = 0.72
V = 8.1 fps
= 2
= 8 in
= 12 in
= B
= 18 in
= 7.5 ft
= 3.75 ft
= 8.8 ft
Q10/Qfu11 = 0.63
V/Vfu11 = 1.06
V = 7.2 fps
= 2
= 8 in
= 12 in
= B
= 18 in
= 12.0 ft
= 6 ft
= 14.0 ft
1722 Storm System.xlsx LATEST REVISION: 6/21/2022 7:48 AM PAGE 2 OF 3

PROJECT NAME
Southview Park
LOCATION
Hope Mills, North Carolina
Storm Outlet Structure
FES No.=
Skimmer
Pipe Dia=
2
in
Q10 =
0.02
cfs
Qfull =
0.02
cfs
Vfull =
153.00
fps
From Fig. 8.06.b.1: Zone
From Fig. 8.06.b.2:
s
v 3
Length
DATE
DESIGN PHASE
PRELIM
02-11-22
PROJECT NO
CONSTR
1722
REVISION
RECORD
BY
UP
OTHER
(SPECIFY)
CHECKED BY
CSB
Q10/Qful1 = 1.00
V/Vfu I = 1.14
V = 174.4 fps
D50
= 4 in
DMAX
= 6 in
Riprap Class
= A
Apron Thickness
= 9 in
Apron Length
= 0.7 ft
Apron Width @ Outlet
= 0.5 ft
Apron Width @ End
= 0.8 ft
1722 Storm System.xlsx LATEST REVISION: 6/21/2022 7:48 AM PAGE 3 OF 3