SW6210503_Design Calculations (Outlets)_20210518

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DATE
DESIGN PHASE
M02-08-21
PRELIM
PROJECT NAME
PROJECT NO
CONSTR / X /
Townsend Estates
1651
REVISION
RECORD
LOCATION
BY
Near Raeford, North Carolina
UP
OTHER
(SPECIFY)
CHECKED BY
CSB
Storm Outlet Structure
FES No.=
PO 2
Pipe Dia=
36
in
Q10 =
84.77
cfs
Qfull =
108.06
cfs
Vfull =
15.27
fps
From Fig.
8.06.b.1:
From Fig.
8.06.b.2:
t
3
Length
Storm Outlet Structure
FES No.=
FES 18
Pipe Dia=
36
in
Q10 =
56.63
cfs
Qfull =
179.20
cfs
Vfull =
25.32
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/Qfu11 = 0.78
V/Vfu I = 1.10
V = 16.9 fps
= 2
= 8 in
= 12 in
= B
= 18 in
= 18.0 ft
= 9 ft
= 21.0 ft
Q10/QfuI1 = 0.32
V/Vfu11 = 0.87
V = 22.1 fps
= 2
= 8 in
= 12 in
= B
= 18 in
= 18.0 ft
= 9 ft
= 21.0 ft
1651 Storm.xlsx LATEST REVISION: 5/18/2021 1:38 PM PAGE 1 OF 1