HomeMy WebLinkAboutPRELIMINARY DRAINAGE ANALYSIS 050924CONCRETE APRON
TO BE REMOVED
PROPOSE
D
ASPHALT
PARKING
PROPOSE
D
ASPHALT
PARKING
PROPOSE
D
ASPHALT
PARKING
PORTION OF
FENCE OUTSIDE
OF EASEMENT TO
BE REMOVED
FLO
W
S
E
G
M
E
N
T
#
1
SCS
S
h
e
e
t
F
l
o
w
L=10
0
F
T
S=10.
0
0
%
Trave
l
T
i
m
e
=
1
0
.
6
1
EXISTING OFFSITE DRAINAGE AREA #1
AREA: 2.63 Acre
C: 0.40
TOC: 12 MIN.
EXISTING OFFSITE DRAINAGE AREA #3
AREA: 0.14 Acre
C: 0.85
TOC: 5 MIN.
EXISTING DRAINAGE AREA #4
AREA: 0.96 Acre
C: 0.55
TOC: 5 MIN.
FLOW SEGMENT #1
SCS Sheet Flow
L=81 FT
S=2.00%
Travel Time=9.81
EXISTING DRAINAGE AREA #2
AREA: 0.61 Acre
C: 0.55
TOC: 11 MIN.
FL
O
W
S
E
G
M
E
N
T
#
2
SC
S
S
h
a
l
l
o
w
C
o
n
c
e
n
t
r
a
t
e
d
F
l
o
w
L=
3
3
5
F
T
S=
7
.
5
0
%
Tra
v
e
l
T
i
m
e
=
1
.
2
6
FLOW SEGMENT #3
SCS Channel Flow
L=289 FT
S=2.00%
Travel Time=0.53
FLOW SEGMENT #2
SCS Shallow Concentrated Flow
L=65 FT
S=2.00%
Travel Time=0.48
VICINITY MAP
LEGEND
25 RAHLING CIRCLE, SUITE A-2 LITTLE ROCK, ARKANSAS 72223
PHONE: (501) 214-9141
CIVIL ENGINEERING - CONSULTING SERVICES - LAND SURVEYING
JOE WHITE & ASSOCIATES, INC.
PRELIMINARY DRAINAGE ANALYSIS
JOE WHITE
F
& ASSOCIATES,INC.
#3871
OETAIFITREC
NOITAZ
IR
OHTUAC
-E N G INEERAR
K
ANSAS
DRAINAGE DISCHARGE POINT A
A=3.24 ACRES
Q 100 YR.=10.79 CFS DRAINAGE DISCHARGE POINT B
A=1.10 ACRES
Q 100 YR.=6.36 CFS