SW6220302_Plansheet C-507 - SCM Detail_20220812

EXISTING PARKING LOT
L=12.72'
R=8.00'
ti \\
- - - - - - - - \
\
I \
\
EXISTING PARKING LOT `\
\
I I I \ \
\
\
\
I
----- � SKIMMER
/ TO STAY INSTALLED UNTIL ALL
---------------
TEMPORARY 4" PVC PIPE FOR SKIMMER
TW = 389.0
BW = 386.0
CONNECT TO EXISTING CATCH BASIN
\
EX TG = 388.59
>5 EX IE, = 385.22
\ I
\
� I �
I I
I I
CAI #8777 '
I ,
H 0 D 388.5911
i
INV OUT 38 '
L=17.01 '
R=11.00'
x I \
Z \
N
I \\
\
\
\
\
rn
\
\
TW = 388.0 i
1
BW = 386.0 ;
I �
L= 4.58'
R=9.00'
TIN = 388.0
BW = 386.0
R=3.00' 391 2.49 FT
o 6 S
a 393 R=16.00 - 88.0 = 38 .
BW = 386. BW = 0 \
L= 2.10'
a 394
R=4.00'
� a
FT �� LL_
O m
00
In
\Cfl -
° _
o p a D \\�� p p ° p A A A ° a A ° �\ ° °
0 0
o� a p ° A A a �
° p p � � 24"
F.E.S
a p ° ° ° D ° IE = 387.0
3 CY CL II RIP RAPS L=8.20' a-
p R=4.00'
� p
D
L STORMWATER BMP WIDTH VARIES
NOTES:
1. TEMPORARY SKIMMER TO BE INSTALLED ON PRIMARY OUTLET STRUCTURE BOX
AND TO REMAIN IN PLACE UNTIL SITE IS PERMANENTLY STABILIZED PER NCDENR/LQS
SEDIMENTATION AND EROSION CONTROL PERMIT. SEE SKIMMER DETAILS FOR INSTALLATION.
2. RIP RAP TO BE PLACED AROUND THE PERIMETER OF OUTLET BOX.
3. 4 FT x 4 FT PRECAST CONCRETE BOX OR EQUIVALENT HAND BUILT
4. SKIMMER = 2.0" SKIMMER WITH 1.6" ORIFICE DIAMETER
SKIMMER
DETAIL 6, SHEET C503
CLASS B STONE
(4' X 4' X 1' MIN)
O
BASIN BOTTOM
ELEV= 386.0 1 FT
4 FT
SB
SKIMMER CONNECTION/
TO BE CAPPED ONCE
SKIMMER IS REMOVED
2.667
15" CAPACITY = Q =( n / X (16 )
1 ( 12.667
C0.011/ X \16/
15" CAPACITY = Q = 11.61 CFS
FABRICATED GRATE TOP
4"
4"
WEIR CUT
TOP OF BOX AT
BACK OF BOX EL= 391.0
GRp lE -SOP 11
33
EL= 390.6
4 WEIR CUT
4°' EL= 388.5 /
4" PVC /
V_
INV = 387.0ti
2 FT SUMP
FOR CLEANOUT
15" HDPE
OUTLET PIPE
VERTICAL WEIR CUT
TO BOTTOM OF GRATE
)
�EL= 388.5 WEIR CUT
\WELDED BARS,
GALVANIZED, OR
EQUIVALENT
CL B RIP RAP W/ GEOTEX
NONWOVEN FILTER FABRIC
(TO SURROUND ENTIRE
OUTLET STRUCTURE)
�R GROUT a
6"BASE EL = 383.5
SECTION VIEW
OUTLET STRUCTURE
WELDED FABRICATED TRASH
RACK W/SQUARE OPENINGS
SQUARE OPENINGS <_ 6"
0
1n
6 6"
4'- 0�� f 5'- 0»
GRATE PLAN VIEW
4'- Ott
SEE DETAIL o
THIS SHEET I
FOR 'n
TRASH RACK
a 4" ORIFICE ASSEMBLY
FOR USE WITH SKIMMER
ONLY. TO BE CAPPED
AFTER GRADING ACTIVITIES
ARE CONCLUDED AND SITE
IS VEGETATIVELY STABLE.
BOX PLAN VIEW
INFILTRATION BASIN ELEVATIONS
A -BASIN BOTTOM = 386.0
B -TOP OF BERM = 392.0
C -STATE STORAGE ELEVATION = 388.5
D -BASIN BOTTOM ELEV = 390.0
E -BERM TOP ELEV = 390.5
F -EMERGENCY SPILLWAY ELEV = 391.5
G -10 YR STORM ELEV. = 390.03
H -TOP OF WALL = 389.0
1 - FOREBAY BOTTOM = 386.0
J - FOREBAY BOTTOM = 384.0
K - BASIN CLEANOUT ELEV. = 387.0
IP OF BERN
DTH VARIES
VI\ Ll.(VP\L.
TM
EXCHANGE
E
ARMY & AIR FORCE EXCHANGE SERVICE
CAR 04
SEAL ti9<9
025483
8-11-22
I REVISION NO.
\ DATE & DESCRIPTION BY
I
I
\\ i 1-30-21 REVISED PER BASE COMMENTS RLW
\ 1 2-23-22 REVISED PER DEQ COMMENTS RLW
1
\ i 3-16-22 REV. PER DEQ SW COMMENTS RLW
\ 7-27-22 ADDED BORING -3 RLW
\ I 8-11-22 REVISED BASIN WALL HEIGHT RLW
CL II RIPRAP
SB-D,F
SKIMMER BASIN ELEVATIONS
SB-A -BASIN BOTTOM = 386.0
SB-B -TOP OF BERM = 392.0
SB-C -SURFACE AREA AND STORAGE ELEV. = 388 (5,654 SF, 10,668 CF)
SB-D -EMERGENCY SPILLWAY ELEV = 391.5
SB-E -CLEAN OUT ELEVATION = 387.0
SB-F -10 YR STORM ELEV. = 390.03
BASIN CROSS SECTION
NOT TO SCALE C-507
23.0 FT TOP OF
EMBANKMENT
ELEVATION = 392.0
X"``"/ Y.",W ' ANON WOVEN FILTER FABRIC
ELEV. = 391.5
TOP OF RIP RAP
EMERGENCY SPILLWAY i�
NOT TO SCALE
NOT TO SCALE C-507 1 0 5 10 20
1 inch = 10 ft. Horizontal
111Calibre
Calibre Engineering, Inc.
PO BOX 4041
Wilmington, NC 28406 [phone]
www.calibre-engineering.com
Construction Management Civil Engineering Surveying
11CONSTRUCTIO
SET
20 OCT 2021
DRAWN BY-
RLW
CHECKED BY:
HSR
COORDINATION: DATE:
XXX
RECOMMENDED: DATE:
APPROVED: DATE:
1736 E. I Sunshine, Suite 311
Springfield, Missouri
65804
MARSHALL WATERS ■ WC3DDY Phone: [phone]
ARCHITECTURE • PLANNING FAX: [phone]
PROJECT:
CONSTRUCT NEW
GRUBER MINI -MALL
FT. BRAGG,
NORTH CAROLINA
DRAWING TITLE:
DETAILS
STORMWATER
DATE: SCALE: SHEET-
20 OCT 21 AS NOTED
DRAWING/PROJECT NO: C-507
0530-11- 000004
OF