SW6120305_APPROVED PLANS_20120323

STORMWATER DIVISION CODING SHEET
POST -CONSTRUCTION PERMITS
PERMIT NO.
SW
DOC TYPE
❑CURRENT PERMIT
y� APPROVED PLANS
❑ HISTORICAL FILE
DOC DATE
290Z*01�7
YYYYMMDD

1
2
3
111
5�=�� 1 ]COY
IN Al
11011
NEW DISTRICT SUPERINTENDENT'S OFFICE
FORT BRAGG, NC
US Army Corps
of Engineers
Norfolk District
SOLICITATION NO..
FORT BRAGG,
"PROFESSIONAL CERTIFICATION: I HEREBY CERTIFY THAT THESE DOCUMENTS WERE
PREPARED AND APPROVED BY ME AND THAT I AM A DULLY LICENSED
PROFESSIONAL ENGINEER UNDER THE LAWS DE JHE STATE OF NORTH CAROLINA,
LICENSE # 036085 EXPERATION DATE 1 2--31 --2012 ".
DATE
S GNAT[i E
STE_F H E ENV! L. MAHAFFEY
PRINTED NAME
"❑ESIGN CERTIFICATION: I HEREBY CERTIFY THAT THIS PLAN HAS BEEN DESIGNED IN
ACCORDANCE WITH 2O09 STANDARDS AND SPECIFICATIONS FOR SOIL EROSION AND
SEDIMENT CONTROL OR CURRENT REVISIONS THEREOF, AND DEPARTMENT OF THE
ENVIRONMENT STORMWATER MANAGEMENT RFGULATiONS."
DATE
036085
NC REGISTRATION NO.
DESIGNER'S S GNATJRE
STEPHEN E. MAHAFFEY
PRINTED NAME
P.E.
P.E., P. L.S. OR R. L.A.
J E CEMS ENGINEERING, INC.
M3509 IRON HORSE DRIVE
ENGINEERING LADSON, SiC.29-45b
NORTH CAROLING
RALI EGH
2 0 6
64
WILSON
ASHEBORO
70
40 40 95
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SANFORD S HFIELD
GOLDSBORO
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DUN 70
FORT BRAGG 0 o MT. OLIVE
2
40
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74 WALLACE
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VICINITY MAP
NOT TO SCALE
NCDENR
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1 us ouquire fh.v . ,?armwa, s ignet
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piar:s any; soac:s �r�a :•�rf;fy cr-r�F�;�a�nt:e wife ti��
OWNER/DEVELOPER CERTIFICATION
"I/WE HEREBY CERTIFY THAT ALL CLEARING, GRADING, CONSTRUCTION AND OR
DEVELOPMENT WILL BE DONE PURSUANT TO THIS PLAN AND THAT ANY
RESPONSIBLE PERSONNEL INVOLVED IN THE CONSTRUCTION PROJECT WILL HAVE A
CERTIFICATE OF ATTENDANCE OF A NORTP "AROLINA APPROVED TRAINING PROGRAM
FOR THE CONTROL OF SEDIMENT AN:D EROSION BEFORE BEGINNING THE PROJECT. I
HEREBY AUTHORIZE THE RIGHT 0, ENTRY FOR PERIODIC ON -SITE EVALUATION BY
THE STATE OF NORTH CAROLINA, DEPARTMENT OF THE ENVIRONMENT & NATURAL
RESOURCES, COMPLIANCE INSPECTORS."
DATE
CARD N 0 .
OWNER/DEVELOPER SIGNATURE
PRINTED NAME AND TITLE
FT. BRAGG WATER MANAGEMENT BRANCH
DATE
USACE FT. BRAGG AREA Pl OUET ENGINEER DATE
USACE FT.
BRAGC AREA
OFFICE
SEDIMENT DATE
& EROSION
CONTROL
AND
S-11-ORM
WATER
REVIEWER
DATE USACE FT. BRAGG AREA OFFICE
ENVIRONMENTAL COORDINATOR
PLEASE NOTE: THIS PLAN HAS BEEN DESIGNED UNDER THE EXISTING STATE AND
FEDERAL GUIDELINE FOR SEDIMENT AND EROSION CONTROL AS STIPULATED BY
NCDENR & USACE STANDARDS
SEDIMENT AND EROSION CONTROL SHALL BE STRICTLY ENFORCED
�853 0
DATE ' 04..,,,,,ll,l.,j
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036086
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REFERENCE
NUMBER
G-001
HEFT 01

1
2
3
M
5
I'�LYL�
US Army Corps
of Engineers
Norfolk District
NDEX OF DRAWINGS
PLATE NO.
SHEET NO.
DGN FILE
TITLE
PLATE NO.
SHEET NO.
DGN FILE
TITLE
G-001
1
BGK-G-001 COV
COVER SHEET
G1001
2
BGK-GIO011DX
SHEET INDEX
G1002
3
BGK-GIO02LOC
LOCATION VICINITY MAP
OVERALL EXISTING TOPOGRAPHY PLAN
AREA A EXISTING TOPOGRAPHY PLAN
AREA B EXISTING TOPOGRAPHY PLAN
AREA C EXISTING TOPOGRAPHY PLAN
AREA D EXISTING TOPOGRAPHY PLAN
-AIEA EXISTING TOPOGRAPHY PLAN
AREA-"7 EXISTING TOPOGRAPHY PLAN
OVERALL CIVIL DEMOLITION PLAN
AREA A CIVIL DEMOLITION PLAN
OVERALL CIVIL SITE PLAN
GS
AREA A CIVIL SITE PLAN
AT FP SETBACK PLAN
CIVIL SITE STAKING PLAN
EROSION CONTROL NOTES
EROSION CONTROL NOTES
CG101
19
BGK-CG1010VR
OVERALL GRADING AND STORM DRAINAGE PLAN
CG102
20
BGK-CG102GRD
AREA A GRADING AND STORM DRAINAGE PLAN
CG103
21
BGKW-CG1030VR
OVERALL EROSION CONTROL PLAN
CG104
22
BGK-CG104GRD
AREA A EROSION CONTROL PLAN
AREA C EROSION CONTROL PLAN
AREA El'OS10N CONTROL PLAN
AREA EROSION CONTROL PLAN
AREA EROSION CONTROL PLAN
OVERALL CIVIL UTILITY PLAN
AREA A CIVIL UTILITY PLAN
AREA B 11CIVIL UTILITY PLAN
C-301
30
BGK-C-301 PRO
STORM DRAIN PROFILES LINES 1-3
CIVIL DETAILS
CIVIL DETAILS
CIVIL DETAILS
CIVIL DETAILS
CIVIL DETAILS
CIVIL DETAILS
C-507
37
BGK-C-507DET
CIVIL DETAILS
CIVIL DETAILS
CIVIL DETAILS
CIVIL DETAILS
CIVIL DETAILS
I STANDARD ABBREVIATIONS I
A.C.
A.D.
A.H.U.
ALT.
ALUM,
AMP., A.
A.O.
APPROX.
ARCH.
A.T.
A.T.C.
B
BAL.
BD,
BLDG.
BLK.
BM.
BOT.
BRG.
B.T.U.H.
C
CAB.
CAP.
C/B
C.D.
CEM.
CER.
C.F.M
AIR CONDITIONED
AREA DRAIN
AIR HANDLING UNIT
ALTERNATE
ALUMINUM
AMPERES
ACCESS OPENING
APPROXIMATELY
ARCHITECTURAL
ASPHALT TILE
ACOUSTIC TILE CEILING
BALANCE
BOARD
BUILDING
BLANK
BEAM
BOTTOM
BEARING
BRITISH THERMO UNIT/HOUR
CABINET
CAPACITY
CIRCUIT BREAKER
CEILING DIFFUSER
CEMENT
CERAMIC
CUBIC FEET/MINUTE
CKT.
CIRCUIT
P-
CENTER LINE
CEIL.
CEILING
CL.
CLOSET
C.M.U.
CONCRETE MASONRY UNIT
C.O.
CLEAN OUT
COL.
COLUMN
CONC.
CONCRETE
COND.
CONDENSATE
CONN.
CONNECTION
CONST.
CONSTRUCTION
CONT.
CONTINUOUS
CONTR. JT.
CONTRACTION JOINT
C.S.C.
COLOR SYMBOL CODE
C.T.
CERAMIC TILE
C.T.B.
CERAMIC TILE BASE
C. TO C.
CENTER TO CENTER
D
DET.
DETAIL
DIA.
DIAMETER
DIFF.
DIFFUSER
DIM.
DIMENSION
DISC.
DISCONNECT
D.J.
DUMMY JOINT
DN.
DOWN
DR.
DRAIN
D.S.
DOWN SPOUT
DWG.(S)
DRAWING(S)
E
EA. EACH
ELEC.
ELECTRIC
H
L
OL.
OVERLOAD
REG.
REGISTER
TEL.
TELEPHONE
EQUIP.
EQUIPMENT
H.
HIGH
LB j
POUND
OPNG.
OPENING
REINF.
REINFORCING
TEMP.
TEMPERATURE
E.W.C.
ELECTRIC WATER COOLER
H.B.
HOSE BIBB
LG.
LONG
OPP.
OPPOSITE
REQ.
REQUIRED
THK.
THICKNESS
EXH.
EXHAUST
H.C.
HOLLOW CORE
L.P.
LIGHTING PANEL
O.S.D.
OPEN SIGHT DRAIN
RET.
RETURN
THD.
THRESHOLD
EXP. JT.
EXPANSION JOINT
HT.
HEIGHT
LTG.
LIGHTING
R.G.
RETURN GRILLE
TOIL.
TOILET
EXT.
EXTERIOR
H.M.
HOLLOW METAL
RM.
ROOM
TYP.
TYPICAL
EXIST.
EXISTING
H.P.
HORSE POWER
P
R.P.M.
REVOLUTION/MINUTE
HR.
HOUR
M
P.
PAPER
F
HTG.
HTR.
HEATING
HEATER
M.
MOTOR
PART.
PARTITION
V
F.A.
FIRE ALARM
H.&V.
HEATING AND VENTILATING
MAINT.
MAINTENANCE
PER.
PERIMETER
S
V.
VOLT
F.C.
FLEXIBLE CONNECTION
HW.
HARDWARE
MAX.
MAXIMUM
IE, PL.
PLATE
S.
SUPPLY
V.A.T.
VINYL ASBESTOS 11LE
F.D.
FLOOR DRAIN
HYD.
HYDRANT
M.D.P.
MAIN DISTRIBUTION PANEL
PLBG.
PLUMBING
S.A.
SUPPLY AIR
VENT.
VENTILATION
F.E.C.
FIRE EX11NGUISHER CABINET
MECH.
MECHANICAL
PLYW'D
PLYWOOD
SCH.
SCHEDULE
VERT.
VERTICAL
FIN.
FINISH
MT_.
METAL
PNL,
PANEL
SECT.
SECTION
VTR
VENT THRU ROOF
FL.
FLOOR
MIN.
MINIMUM
PRESS.
PRESSURE
SERV.
SERVICE
FT.
FOOT, FEET
I
MISC,
MISCELLANEOUS
PSF
POUNDS/SQUARE FOOT
SHT.
SHEET
FTG.
FOOTING
I.D.
INSIDE DIAMETER
M.O.
MASONRY OPENING
PSI
POUNDS/SQUARE INCH
S.J.
SLIP JOINT
W
I.E.
INVERT ELEVATION
M.T.
METAL THRESHOLD
PSIG
POUNDS/SQUARE INCH GAGE
SPEC.
SPECIFICATIONS
W.
WATT
IN.
INCHES
MTD.
MOUNTED
PT.
POINT
SQ. FT.
SQUARE FEET
W/
WITH
G
INCAND.
INCANDESCENT
MTG.
MOUNTING
PTD.
PAINTED
ST.
STEEL
WC
WAINSCOATING
WSUL.
INSULATION
M.V.
MECHANICAL VENTILATION
STOR.
STORAGE
WD.
WOOD
GA.
GAGE
INT.
INTERIOR
M.G.T.
MATT GLAZE TILE
STRUC.
STRUCTURAL
W.Q.
WINDOW DIMENSION
GAL.
GALLON
Q
SUSP.
SUSPENDED
WF
WIDE FLANGE
GALV.
GALVANIZED
QTR.
QUARTER
SW.
SWITCH
W.G.
WATER GAGE
G.F.E.
GOVERNMENT FURNISHED
'�
N
QUAN.
QUANTITY
WP.
WEATHERPROOF
GL.
EQUIPMENT
GLASS
J.B.
JUNCTION BOX
N.A.
NOT APPLICABLE
WTR.
WATER
GND.
GROUND
JCT.
JUNCTION
N.I.C.
NOT IN CONTRACT
T
W.W.F.
WELDED WIRE FABRIC
GOVIT
GOVERNMENT
JT.
JOINT
NO.
NUMBER
R
T.
TOILET
G.P.H.
GALLONS/HOUR
R.
RISER
G.P.M.
GALLONS/MINUTE
R. A.
RETURN AIR
GR.
GRILLE
K
0
RAD.
RADIUS
G.W.B.
GYPSUM WALL BOARD
KVA
KILOVOLT AMPERE
Q.A.
OUTDOOR AIR
RD.
ROUND
SECTION SYMBOLS
VIEW
SECTION
=t.: IIUN UK UL IAIL
IDENTIFICATION NUMBER
3 3
SEW A4 AB PLATE NUMBER ON WHICH A4
SECTION SECTION OR DETAIL IS DRAWN
PLATE NUMBER ON WHICH
SECTION OR DETAIL
CONDITION IS TAKEN
SYMBOL WHERE SECTION IS TAKEN
SECTION/DETAIL 3
A4 A8
TITLE WHERE SECTION IS DRAWN
A IDENTIFICATION LETTER WHERE
A4 A8 ELEVATION IS TAKEN
TWEE
ELEVATION A4 Aa LEvATiONR S SHOWN
ELEVATION SYMBOL
MATERIAL INDICATIONS
EARTH (ORIGINAL GRADE)
EARTH (COMPACTED FILL)
GRAVEL
CONCRETE
MORTAR —CEMENT —PLASTER —STUCCO
CONCRETE MASONRY UNITS (C.M.U.,
SMALL\ SCALE -- PLAN)
CONCRETE MASONRY UNITS (C.M.U., LARGE
SCALE — SECTION)
CONCRETE MASONRY UNITS OR HOLLOW
TILE (SMALL SCALE — SECTION)
METAL (ELEVATION)
STEEL (CROSS SECTION)
INSULATION (RIGID)
INSULATION (LOOSE OR BATT)
BRICK
WOOD (BLOCKING)
WOOD (FINISH)
SEDIMENT
AND
EROSION
CONTROL
SHALL BE
STRICTLY
ENFORCED
036085
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02-21-12
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REFERENCE
NUMBER
G1001
HEET 02

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1
2 1 3
m
'
OVERALL GRADING AND DRAINAGE PLAN
SCALE 1" = 100'—O"
SEDIMENT AND EROSION CONTROL SHALL BE STRICTLY ENFORCED
LEGEND:
NOT INCLUDED IN GRADING
AND DRAINAGE PLANS
LIMITS OF DISTURBANCE
SCALE: 1" =100'
0 100,
GRAPHIC SCALE
200'
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REFERENCE
NUMBER
CG101
SHEET 21

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;-�HLINE ARE f E I ■
BIORETENTION AREA �, ♦� ♦� ■ LINE # 3 —
REQUIRED STORAGE VOL.= 4,550 C.F. I MATCH LI N E AREA A
€' ♦♦� BEVELED E <D ,II ■ 24 LF 30" RCP EXISTING
STORAGE VOL. PROVIDED — 6,526 C.F. E I ,� _ IE:310'70' " i i �' ■
AT .4 � t BEVELED N -
REQUIRED SURFACE AREA = 6,067 S.F. ♦ ! ■ 0
e`
'IE: 307.E ' ��♦ �' RIP,' RAP E„�', ■
t
PROVIDED SURFACE AREA = 8,253 S.F. i ! • !�'� JUNCTION BOX 2
r � � :' ' � LIMITS OF RIP RA 5 _ -LINE �2= �
FIR: 317 5
BOTTOM ELEVATION: 0' 294 0 � s:
:
DISTU ANCE'. � �i 72 LF 18 RCP i �� ,
CONTROL STRUCTURE ELEV: 294.75 FLUME � {' � �
"♦ I E I ,
CONCR,ET F y°♦ AT 0.35%.- '
N• 313 80
- PONDING DEPTH: 9' = 0.75' ,,, ' ♦• T.
RIP RAP �3 W/ 8{ ,� �` �r .E4;♦! ,,-'� - ���' Ep �� , U E # IE OU 310.78
297 0
TOP OF BANK ELEVATION:GRAVELASTRIP 3 �._
:
r PERMANENT'S SWALE
. '` � , -
IE 3 0;
,
w 1 (SEE NOTE /"3.) ♦� / 349,.,�, ■ LINE „
EMERGENCY OUTFACE ELEV. 296.0 UNDER R;IP RAP CONCRETE' FLUME ♦ 72 LF 30 RCP Y;
., f ;` X:5, `SOD 'RIP; R4P2 ijl�l� ♦� 1" 3Q7 ! as .� i :...,. �, AT 0.35%
'y AFTER RIP RAP GRAVEL f # ♦ l'
f' ♦• ;�„ µ
te, ;" STRIP UNDER RIP ♦� y�� ■
___. ,' TRAP AND; "4'X5' i ♦ '- ■i jog RIP_ RAP 4 ENERGY T `� BID 0 'ON 7: NO i JUNCTION=SOX # 1
SOD ;AFTER ,'RIP T
BEVELED,' END' ■
DISSIPATTION FOR"
� i A K/STAIRS
♦ ,
RAP L f� � FR• 325 00'��
IE. 285.00 BIORETENTION- DESIGN E
RIP' RAP 7, f ♦!, /<, . -, ,..' o ■ IE OUT: 314.05
�♦ ■
CONTROL,,"'"f` ♦; , E ��'' off" ? , f ■
STRUCTURE ?, C I <- € - ■ ■
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.AND- 4 X5 SOD-,,-,
AFTER RIP RAP.
r
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'OENERAL NOTES:
1. FORT BRAGG PERSONNEL WILL REMOVE ALL TREES WITHIN
LIMITS OF CONSTRUCTION.
2. THE CONTRACTOR WILL BE RESPONSIBLE FOR REMOVAL OF ALL
STUMPS AND REMAINING TREES AFTER TREE CLEARING.
3. FORT BRAGG WILL REQUIRE A MINIMUM OF 30 DAYS NOTICE
PRIOR TO REMOVAL.
4. ALL SLOPES GREATER THAN 3:1 SHALL BE SODDED.
5. IF A MONITORING WELL IS DISCOVERED DURING CONSTRUCTION,
NOTIFY THE ENVIRONMENTAL COMPLIANCE BRANCH IMMEDIATELY.
6. ALL PERMANENT SWALES ARE TO HAVE ROLLED EROSION
CONTROL PRODUCTS INSTALLED (SEE DETAIL SHEET C-502).
AREA "A" GRADING AND DRAINAGE PLAN
SCALE 1" = 30'—U'
K EYP LAN
SEDIMENT AND EROSION CONTROL SHALL BE STRICTLY ENFORCED
LEGEND:
NEW
IN
E-
0
315
ss
ss
> 7
So
4
FFE
FIR
IE
RCP
LF
TYP
X 307.99
t ._
Own
TELEPHONE PEDESTAL
POWER POLE
LIGHT POLE
LIGHT POWER POLE
GUY WIRE
TELEPHONE MANHOLE
DROP INLET
CATCH BASIN
FIRE HYDRANT
WATER VALVE
WATER METER
STORM SEWER MH
SANITARY SEWER MH
POLE
POST
SIGN
GAS VALVE
UNDERGROUND GAS
FENCE LINE
CONTOUR
OVERHEAD ELECTRIC
SANITARY SEWER LINE
DOMESTIC WATER MAIN
PERMANENT SWALE
STORM DRAIN PIPE
LIMITS OF DISTURBANCE
REDUCER
TREE LINE
IN F !SHED FLOOR ELE
VATION
FINISHED RIM
INVERT ELEVATION
REINFORCED CONCRETE PIPE
LINEAR FEET
TYPICAL
TOP OF PAVEMENT GRADE
SIDEWALK
HEAVY DUTY CONCRETE
RIP RAP (CLASS B)
HEADWALL
SCALE:1" =30'
0 30' 60,
1 1 1 1 1
GRAPHIC SCALES
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REFERENCE
NUMBER
CG102

I
2
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2 g 29�
29q 295 ���
BIORETENTION PLANTING PLAN
SCAIE'. 1"=20'
24' X24" GRATE INLET
NEENAH R-3210 OR SIMILAR
OUTLET PIPE (CONNECT TO
STORM DRAINAGE SYSTEM)-
SUB -GRADE DRAIN
AND CLEANOUTS-7
4, W
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NOTES. W * W W W O W W y y W W W y y w
1. ALL BIORETENTION SHALL HAVE A MINIMUM 20 FOOT
ACCESS EASEMENT CONNECTING TO A DEDICATED
PUBLIC RIGHT OF WAY. CONNECTION SHOULD BE
TO A MINOR ROADWAY. ACCESS ROAD SHALL HAVE
MIN. 12' STABILIZED WIDTH, MAX. LONG. GRADE OF
15%, MAX. CROSS -SLOPE 5%.
2. ALL DRAINAGE AREAS TO A BIORETENTION FACILITY
ARE TO BE STABILIZED PRIOR TO INSTALLATION OF
AMENDED SOILS, MULCH OR PLANTINGS.
3. AMENDED SOIL INSTALLATION WILL ONLY BE
ALLOWED AND APPROVED WITH A VALID SOIL
ANALYSIS REPORT.
4. INSTALL WIRE SCREENING AROUND ALL OUTLET
OPENINGS TO PREVENT LOSS OF MULCH.
PRETREATMENT AND ENERGY
DISSIPATION (TYP. FOR ALL
CONCENTRATED FLOW LOCATIONS)
■ A \
2
m
BIORETENTION NOTES:
1. TREE_S AND SHRUBS TO BE APPLIED AT THE RATE OF
400/ACRE FOR BIORETENTION.
2. PLANTED TREES MUST BE 3" IN CALIPER.
3. PLANTED SHRUBS MUST BE 3 TO 4 FEET IN HEIGHT
OR 18 TO 24 INCHES IN SPREAD,
4. PLANTS ARE PLACED AWAY FROM AREAS OF IMMEDIATE
AND DIRECT FLOW.
5. TREES AND SHRUBS SELECTED ARE DROUGHT
TOLERANT BUT TOLERANT AND COMPATIBLE FOR USE IN
BIORETENTION AREAS. SEE GUIDELINES FOR SPECIES
RECOMMENDATIONS. CHECK FOR LOCAL AVAILABILITY.
6. TREE AND SHRUB SPACING FOR PLANTING IS
SPECIFIED.
7. TREES AND SHRUBS WITH OVERLY AGGRESSIVE ROOTS
SHOULD NOT BE SELECTED (NO WILLOW TREES). NO
CHERRY TREES, AZALEAS, JUNIPERS, WILLOWS,
DOGWOODS, INDIAN HAWTHORNE, OR CHINESE PRIVETS.
PLANS HAVE PLANT SPECIFICATIONS LISTED.
NOTES:
1. ALL BIORETENTION SHALL HAVE A MINIMUM 20
FOOT ACCESS EASEMENT CONNECTING TO A
DEDICATED PUBLIC RIGHT OF WAY.
CONNECTION SHOULD BE TO A MINOR
ROADWAY. ACCESS ROAD SHALL HAVE MIN.
12' STABILIZED WIDTH, MAX. LONG. GRADE OF
157, MAX. CROSS -SLOPE 5%.
2. ALI- DRAINAGE AREAS TO A BIORETENTION
FA(,ILITY ARE TO BE STABILIZED PRIOR TO
INSTALLATION OF AMENDED SOILS, MULCH OR
PLANT#NGS.
3. AMENDED SOIL INSTALLATION WILL ONLY BE
ALLOWED AND APPROVED WITH A VALID SOIL
ANALYSIS REPORT.
4. IN`;TALL WIRE SCREENING AROUND ALL
OU rLET OPEI IIl`vGS TO PREVENT LOSS OF
MULCH.
DROUGHT RESISTANT
ZOYSIA SOD
(REQUIRED FOR FIRST
PLANTING YEAR)
S
PRETREATMENT AND ENERGY DISSIPATION
(TYP. FOR ALL CONCENTRATED FLOW LOCATIONS)
POST CONSTRUCTION
CONTROLS EASEMENT
(PCCE)
SOIL PARAMETERS
85% SAND
4% ORGANICS (CLAY CONTENT 0%-8%)
INFILTRATION RATE 1.0 IN/HOUR (2.0 PREFERRED)
pH 5.5 -- 7.0
P-INDEX 10 - 30
TOB EL. = 297.00'
SPILLWAY EL. = 296.0'
100 YEAR HIGH WATER EL. = 295.46'
r, 25 YEAR HIGH WATER EL. = 295.30' 3 f 1=I I f=1 11=11 I- 1=III=1
-10 YEAR HIGH WATER EL. = 295.23' ' I -I I f_I I I -I I I -I a ICI
=�1 YEAR HIGH WATER EL. = 294.86' �I I II �I I II II f lI I II
95th STORM HIGH WATER EL. = 294.61' BOTTOM EL- 294.00'
EMERGENCY OVERFLOW
SCALE: NOT TO SCALE
24' X24" OVERFLOW
OUTLET ELEVATION: 294.75
NEENAH R-3210 OR
SIMILAR
PEA GRAVEL CURTAIN
(RECOMMENDED
2" ADJACENT TO
PAVEMENT)
3" DOUBLES
r
HAMMERED
MULCH LAYER
fi"
CLEANOUT
-EMERGENCY SPILL WAY IS
TO BE CLASS B RIPRAP
WITH AN APRON THICKNESS
OF 1' ON DOWNSLOPE
EX. DITCH EL. = 289.0'
EMERGENCY SPILL WAY:
DEPTH=12"
WIDTH=12'
BERM LENGTH=32.0'
DETAIL
+�►�+��,��w.ri,w�,� 297.00 TOP
OF BERM
0'-9" WQ PONDING MAXIMUM
......
294.00
3'-0" FILTER
:k
MEDIA (SEE
DESIGN MANUAL
FOR SOIL
PARAMETERS.
9q 1 nn
NAM ►' T r_oAr =
am I
4!' WASHED SAND_
290.00
SUB -GRADE DRAIN
W/ FILTER FABRIC) IN -SITU SOIL
- - SHWT 287.2
18" OUTLET PIPE IE 285.12 FILTER FABRIC
36'X36" PRECAST AROUND GRAVEL
OUTLET STRUCTURE BOTTOM, (TYP.)
NCDOT DWG NO 840.45
SECTION A -A
BIORETENTION CROSS SECTION
SCALE: NOT TO SCALE
BIORETENTION_ PLANTING
SHRUBS
SYMBOL QTY SCIENTIFIC NAME COMMON NAME HEIGHT SPREAD COND. COMMENTS
- TYPICAL
14
VIBURNUM DENTATUM
ARROWWOOD VIBURNUM
3'-4'
MIN. 18"-24"
MIN.
3
GAL.
5'
_0.C.
/ FULL
__ 15
ILEX -.._.,...___.
GLABRA
INKBERRY
3'-4'
MIN.18"-24"
MIN.
3
GAL.
5'
O.C.
FULL
0 14
EUONYMUS AMERICANUS
STRAWBERRY BUSH
3'-4'
MIN.18"-24"
MIN.
3
GAL.
5'
O.C.
FULL
15
CLETHRA AINIFOLIA
SUMMERSWEET CLETHRA
3'--4'
MIN.18"-24"
MIN.
3
GAL.
5'
O.C.
FULL
G 15
ILEX VERTICILLATA 'JIM DANDY'
RED SPRITE WINTERBERRY
3'-4'
MIN. 18"-24"
MIN.
3
GAL.
5'
O.C.
/ FULL
TREES
SYMBOL QTY SCIENTIFIC NAME COMMON NAME HEIGHT SPREAD COND. COMMENTS
0 3 CHAMAECYPARIS ATLANTIC WHITE CEDAR 3" CAL 10'-12' MIN 4' MIN. SPACING AS SHOWN /FULL
BIORETENTION PLAN VIEW - TYPICAL THYOIDES
BIORETENTION PLANTING CALCULATIONS
SCALE: NOT TO SCALE
STEMS REQUIRED 8253 SF 0 400 ACRE = 76 STEMS
SHRUBS PROVIDED 73 PROPOSED SHRUBS
TREES REQUIRED 1 TREE REQUIRED
TREES PROVIDED t 3 TREES PROVIDED
SEDIMENT AND EROSION CONTROL SHALL BE STRICTLY ENFORCED
036085
No
02-21-12
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CEMS
ENGINEERING, INC. -
C-886
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US ARMY CORPS
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REFERENCE
NUMBER
C-507
HEET 39