20120473 Ver 1_Site Plan_20120510

Pie
MME s
/'C.
f
IV
<9,l"
F
Q�l
z /
cn
GvMg�R`PND
VICINITY MAP
N.T.S.
Q'
c
g,
ST
NOTES:
1.) STORMWATER DETENTION PONDS VOLUMETRIC CALCULATIONS ARE IN ACCORDANCE WITH
THE SIMPLE METHOD IN SECTION 3.3.1 OF NCDENR STORMWATER BMP MANUAL.
2.) CALCULATIONS ASSUME THE MAXIMUM PERMISSIBLE IMPERVIOUS PERCENTAGE FOR THE
ZONING.
3.) THE LOCATION, NUMBER AND DIMENSIONS OF DEPICTED BMPS MAY CHANGE DUE TO
RECONFIGURATION OF PONDS.
4.) FLOODPLAIN DATA PROVIDED BY CUMBERLAND COUNTY GIS. WETLAND E)ATA TAKEN FROM AN
ACTUAL FIELD SURVEY.
DETENTION POND
DRAINAGE AREA
DRAINAGE AREA
ASSUMED
RATIONAL
RUNOFF
DESIGN STORM
WATER QUALITY
TEMPORARY POOL
SURFACE AREA
WIDTH (FT)
LENGTH (FT)
1D
(SF)
(AC)
IMPERVIOUS %
(IN)
VOLUME (CF)
DEPTH (FT)
(SF)
Z
W
N
N_
O
COEFFICIENT
F-
r
r
o
•
®
a
1
538,402
12.36
50
0.4
1.0
22,433
1.5
16,152
81
200
2
533,174
12.24
50
0.4
1.0
22,216
1.5
15,995
80
200
3
448,463
10.30
50
0.4
1.0
18,834
1.5
13,453
76
150
4
369,389
8.48
50
0.4
1.0
15,391
1.5
11,081
74
150
'AREA
NDS
M
00
0
a ca
ZQ
0 0)
T-00
0 r
U ap
z p
(ill I
MR I
�6
DRAWN BY: RBJ
CHECKED: DBC
REVIEWED: DBC
DATE:
MAY, 2012
r
U)
Z
W
M
00
o
I—
Z
W
N
N_
O
J
F-
r
r
o
•
®
a
N
1`
o
�
�
It
•
•
®a-®�'
w
m
•,
CL
r®��
CD
�
Z
CL
•
•
uj
•
1
..
•
w
0
W
'
co
'
LEGEND
DRAINAGE AREAS
..........e.... PHASE LINES
I- * ^ i WETLANDS
® WETLANDS IMPACT AREA
GRAPHIC SCALE IN FEET
-200 -100 0 200 400 600
w
C7
z
a
U I�-
Cw7 a
a
p W
� U W
W a J
� — W
w g
x w
0- 0:
lim©
U)
Z
W
M
00
I—
Z
W
N
N_
O
J
F-
r
r
o
®
a
N
1`
o
�
�
It
*
®a-®�'
w
m
(1)
z
r®��
CD
�
a
LEGEND
DRAINAGE AREAS
..........e.... PHASE LINES
I- * ^ i WETLANDS
® WETLANDS IMPACT AREA
GRAPHIC SCALE IN FEET
-200 -100 0 200 400 600
w
C7
z
a
U I�-
Cw7 a
a
p W
� U W
W a J
� — W
w g
x w
0- 0:
lim©
9
rl
1 -
SCALE 1" = 200'
BOOK NO. 6292
6293
SHEET
1 OF 1
Lo
O
W
M
00
I—
Z
O
O
J
r
r
o
®
JM�Lt
T-
5;
t.0
It
*
®a-®�'
w
m
(1)
z
r®��
rLLLL�J
9
rl
1 -
SCALE 1" = 200'
BOOK NO. 6292
6293
SHEET
1 OF 1