SW7080810_APPROVED PLANS_20080902

STORMWATER DIVISION CODING SHEET
POST -CONSTRUCTION PERMITS
PERMIT NO.
SW ZDkD�O
DOC TYPE
❑ CURRENT PERMIT
APPROVED PLANS
❑ HISTORICAL FILE
❑ COMPLIANCE EVALUATION INSPECTION
DOC DATE
YYYYMM D D

14,CDENR DWG
HIGH DEN4SITY
STORMWATER PERMIT SUBMITTAL
RIVERDUN ST
PROJECT DATA
PREPARED BY:
McKIM & CREED
1730 VARSITY DRIVE, SUITE 500
RALEIGH, NORTH CAROLINA 27506
PHONE: [phone]
FAX: [phone]
OWNER:
RIVER DUNES CORPORATION
ED MITCHELL
416—A WEST POLLOCK STREET
NEW BERN, NC 28563
NCDENR:
DIVISION OF WATER QUALITY
MR. SCOTT VINSON
943 WASHINGTON SQUARE MALL
WASHINGTON, NC 27889
PHONE: [phone]
FAX: [phone]
FINAL DESIGN
NOT RELEASED
FOR CONSTRUCTION
RV &BOAT STORAGE AREA
AUGUST 13, 2008
MC PROJECT NO. 04135-0002
v
v MCM4&CRXED
1730 Varsity Drive, Suite 500
Raleigh, North Carolina 27606
Phone: [phone], Fax: [phone]
Website: www.mckimcreed.com
DRAWING INDEX
COVER SHEET
G1
MAS FER PLAN
M-1
SITE PLAN
C1.1
GRADING AND
DRAINAGE PLAN
C3.1
EROSION CONTROL
PLAN
C4.1
STORMWATER
DETAILS
D4
STORMWATER
DETAILS — INFILTRATION BASINS
D5
STORMWATER
DETAILS — INFILTRATION BASINS
D6
SEAL
°�OWEAL'
033840
-AL NDT VAUD UNLESS SIGNED AND DATED
1
ii
u
0

INFILTRATION BASIN CONSLRI. ',TION SEQUENCE AND NOTES: - ' - D
1 INSTALL
N TGRAGINNG BASINS
INDRAINAGE AN " WITH LOCATIONS AND GRADES SHOWN
i
PLAN FOR SPECIFIC PROJECT PHASE. - --
i
2. EXCAVATE TO REMOVE CLAY L/,YER FROM IN -SITU SOIL. / 80 , `` 7O`--_ _,9/ O ! "/�,- , - -- -- - -- - - -
3. MINIMIZE COMPACTION OF SOIL ON THE BOTTOM AND SIDES OF THE = - / " / - - - 7 - // • O
INFILTRATION BASIN. USE LIGHT EQUIPMENT AND CONSTRUCTION
TECHNIQUES THAT MINIMIZE COMPACTION. _. � - -_ _ - _- (,' ; 0
-
4. INFILTRATION BASIN SHALL NOT SERVE AS A SEDIMENT CONTROL DEVICE
DURING CONSTRUCTION. INSTALL TEMPORARY SILT FENCE AROUND
PERIMETER OF INFILTRATION BASINS AS SHOWN ON SHEET C4.1. REMOVE
SILT FENCE ONLY AFTER ENTIRE DRIANAGE AREA HAS BEEN STABILIZED
5. PLACE FILL MATERIAL TO THE LOWER ELEVATION OF THE FOLLOWING: , \ ; •' '- - -
TWO FEET BELOW THE BOTTOM ELEVATION SHOWN IN TABLE ON SHEET Q
D4 OR SEVERAL INCHES BELOW THE BOTTOM OF THE CLAY LAYER. FILL
V 1 �j
DMATERIAL TO HAVE MINIMUM HYDRAULIC CONDUCTIVITY OF 0.52 INCHES 0 / oy C�
PER HOUR. D AGE UI
DI406. ESTABLISH DENSE VEGETATIVE COVER OVER BOTTOM OF �/� S�®�
INFILTRATION BASIN OR LINE THE BOTTOM WITH A LAYER OF O
CLEAN SAND WITH A DEPTH OF 4 INCHES OR GREATER.
SCAB ESE V= 8: 00
GRASSED SWALE o
7. N INFILTRATION BASIN AFTER DRAINAGE AREA IS
STABILIZED,
8. INSTALL WOODEN POST WITH GRADATION MARKINGS TO MEASURE
SEDIMENT ACCUMULATION IN THE PRETREATMENT DEVICE AND —
INFILTRATION BASIN. -
9, FOLLOW OPERATION AND MAINTENANCE REQUIREMENTS LISTED IN NCDENR-
--
--- --- --- ---
STORMWATER PERMIT.
- -
10. NOTIFY NCDENR DIVISION OF LAND QUALITY BEFORE GRADING INSIDE ZONE
2 NEUSE RIVER RIPARIAN BUFFER.
LS-1 J
E L.4.50
STORAGE ELEVATION=5.00
BOTTOM ELEVATION=3.00
VEGETATIVE FILTER
STORAGE ELEVATION=4.51
BOTTOM ELEVATION=2.50
INFILTRATION BASIN RV-3
PLAN VIEW
SCALE: 1 " - 20'
SEAL
i NCDENR DWG HIGH DENSITY STORMWATER PERMIT SUBMITTAL 08-13-08
RNNO. DESCRIPTIONS DATE
REVISIONS —_ _
\`��TUpllII IIIIp, SEAL
/Ed'
033840
%G ENGINo, \�
�mMimB
SEAL NOT VALID UNLESS SIGNED AND DATED
--- -- - ------
INFILTRATION
cn
492'MqIN —
CLEARING LIMITS
INFILTRATION BASIN RV-2
PLAN VIEW
SCALE: 1" = 20'
� � v
� I
CO
f
PROPOSED CLEARING hRM�TS-
v�XTIQM&CREED
1730 Varsity Drive, Suite 500
Raleigh, North Carolina 27606
Phone: [phone], Fax: [phone]
AAOD02667 ESD006691
www,mckimcreed. com
LS-2
EL.4.50
/FFs�2�
' V
50
fo§r
NORTH
VEGETATIVE FILTER
BYPASS (�
V�
(O,
1
STORAGE ELEVATION=5.50
I
OTTOM ELEVATION=3.50
1
INFILTRATION BASIN RV-4
PLAN VIEW
SCALE: 1" = 20'
IVE
NORTH CAROLINA
NORTH
RIVER DUNES DEVELOPMENT
RV & BOAT STORAGE AREA
STORMWATER DETAILS -
INFILTRATION BASINS
WETLAND LIMITS
;7
DATE:
JULY 22, 2008
MCE PROJ.
# 4135-0002
DRAWN
JCA
DESIGNED
JCA
CHECKED
GML
PROJ. MGR.
GML
SCALE
HORIZONTAL:
1": 20'
VER TIC CAL:
NA
190
OUTLET TO
NEUSE RIVI
:G-502
DRAWING NUMBER
D5
STATUS: REMSION
ISSUED FOR PERMIT 1

INFILTRATION BASIN CONSTRUCTION SEQUENCE AND NOTES:
1. INSTALL BASINS IN ACCORDANCE WITH LOCATIONS AND GRADES SHOWN
ON GRADING AND DRAINAGE PLAN FOR SPECIFIC PROJECT PHASE.
2. EXCAVATE TO REMOVE CLAY LAYER FROM IN -SITU SOIL.
3. MINIMIZE COMPACTION OF SOIL ON THE BOTTOM AND SIDES OF THE
INFILTRATION BASIN. USE LIGHT EQUIPMENT AND CONSTRUCTION
TECHNIQUES THAT MINIMIZE COMPACTION.
4. INFILTRATION BASIN SHALL NOT SERVE AS A SEDIMENT CONTROL DEVICE
DURING CONSTRUCTION, INSTALL TEMPORARY SILT FENCE AROUND
PERIMETER OF INFILTRATION BASINS AS SHOWN ON SHEET C4.1. REMOVE
SILT FENCE ONLY AFTER ENTIRE DRIANAGE AREA HAS BEEN STABILIZED.
5. PLACE FILL MATERIAL TO THE LOWER ELEVATION OF THE FOLLOWING:
TWO FEET BELOW THE BOTTOM ELEVATION SHOWN IN TABLE ON SHEET
D4 OR SEVERAL INCHES BELOW THE BOTTOM OF THE CLAY LAYER. FILL
MATERIAL TO HAVE MINIMUM HYDRAULIC CONDUCTIVITY OF 0.52 INCHES
PER HOUR.
6. ESTABLISH DENSE VEGETATIVE COVER OVER BOTTOM OF
INFILTRATION BASIN OR LINE THE BOTTOM WITH A LAYER OF
CLEAN SAND WITH A DEPTH OF 4 INCHES OR GREATER.
7. DIRECT RUNOFF TO INFILTRATION BASIN AFTER DRAINAGE AREA IS
STABILIZED.
8. INSTALL WOODEN POST WITH GRADATION MARKINGS TO MEASURE
SEDIMENT ACCUMULATION IN THE INFILTRATION BASIN,
9. FOLLOW OPERATION AND MAINTENANCE REQUIREMENTS LISTED IN NCDENR
STORMWATER PERMIT.
10. NOTIFY NCDENR DIVISION OF LAND QUALITY BEFORE GRADING INSIDE ZONE
2 NEUSE RIVER RIPARIAN BUFFER.
00
LS-5-
EL. 4.50
STORAGE ELEVATION=4.50
BOTTOM ELEVATION=2.50
VEGETATIVE FILTER
1
NCDENR DW9 HIGH DENSITY STORMWATER PERMIT SUBMITTAL
08-13-08
REV.NO.
DESCRIPTIONS
DATE
REMSIONS
SEAL)
\\\\\N1111Vnilllll/// / SEAL
Wr
033840
�G SE-10_�
?,�P, .NGINO' P�\
SM.
/'111111111111\\\\
SEAL NOT VALID UNLESS SIGNED AND DAn
VEGETATIVE FILTER
NORTH
v X qK M&CREED
�1730 Varsity Drive, Suite 500
Raleigh, North Carolina 27606
Phone: [phone], Fax: [phone]
AAOOD2667 EB0006691
www.mckimcreed.com
Ir
RIV D-)U S
NORTH CAROLINA
J
1,i^ 0
RIVER DUNES DEVELOPMENT
RV & BOAT STORAGE AREA
STORMWATER DETAILS -
INFILTRATION BASINS
LS-7 VEGETATIVE FILTER
EL. 4.50
DATE:
JULY 22. 2008
MCE PROD.
# 4135-0002
DRAWN
JCA
DESIGNED
JCA
CHECKED
GML
PROJ. MGR.
GML
OUTLET
TO NEUSE
SCALE
HORIZONTAL:
1 "=20'
VERTICAL:
NA
MQC FILE NUMBER
CG-503
DRAWING NUMBER
D6
STATUS. REVISIONISSUED FOR PERMIT

SWALE INFILTRATION BASIN
EL. 5.50
1 � TREELIKE
EL. 4, 50
EL, 3.00..3 3 ..
SEDIMENT 1 _..._ _....__.� EL 2.50
CLEANOUT
BENCHMARK - EL. 0.5,o SHWL
INFILTRATION BASIN RV-1 - SECTION (FACING WEST)
STORAGE AREA 3 INFILTRATION BASIN BERM
EL. 5.50
TREELINE
EL 4.50
EL 3 3.00 1 t 3 Ef2.50
SEDIMENT
CLEANOUT
BENCHMARK' EL. 0.50 SHWL
INFILTRATION BASIN RV-2 - SECTION (FACING
GRAVEL DRIVE INFILTRATION BASIN BERM
EL. 6.50
LOT 436
EL. 5.50
EL, 4.00:-3
EL. 3.50
SEDIMENT; -
CLEANOUT
BENCHMARK _. ... .. :' EL. 0.50 SHWL GRASSED
SWALE
INFILTRATION BASIN RV-4 - SECTION (FACING SOU'
INFILTRATION BASIN
NUMBER
SURFACE AREA
(SQ. FT)
PONDING DEPTH
(FT)
PONDING ELEV,
TOP ELEV.
BOTTOM ELEV,
S.H.W.L.
RV-1
13,993
2.00
4.50
5.50
2.50
0.50
RV-2
13,796
2.00
4.50
5.50
2.50
0.50
RV-3
4,456
2.00
5.00
6.00
3.00
0.50
RV-4
4,227
2.00
5.50
6.50
3.50
0.50
* NOTE: INFILTRATION BASINS TO BE SEEDED WITH GRASS OR LINED WITH MIN. 4" DEPTH OF CLEAN SAND.
50' MIN,
BUT SUFFICIENT TO KEEP
SEDIMENT ON SITE
2" 3" STONE TO BE USED 25. OR WIDTH OF
EXISTING r„(SURGE STONE OR RAILROAD PROPOSED STREET
ROADWAY ,.BALLAST) WHICHEVER 15
_ _. GREATER.
NOTES:
1. PUT SILT FENCE OR TREE PROTECTION FENCE UP
TO ENSURE CONSTRUCTION ENTRANCE IS USED,
2. IF CONSTRUCTION ON THE SITES ARE SUCH THAT
THE MUD IS NOT REMOVED BY THE VEHICLE TRAVEL-
ING OVER THE STONE, THEN THE TIRES OF THE
VEHICLES MUST BE WASHED BEFORE ENTERING THE
PUBLIC ROAD,
3. IF A PROJECT CONTINUES TO PULL MUD AND DEBRIS
ON TO THE PUBLIC ROAD, THE GOVERNING AUTHORITY
WILL CLEAN THE AREA AND INVOICE THE FINANCIALLY
RESPONSIBLE PERSON AS INDICATED ON THE FINANCIAL
RESPONSIBILITY FORM,
11 1 NEW CONSTRUCTION
�12" MIN.
`FABRIC UNDER STONE
CROSS SECTION
TEMPORARY CONSTRUCTION ENTRANCE
1
NWENR OWO HIGH DENSITY STORMWAIEfl PERMIT SUBMITTAL TA
REV.NO.
DESCRIPTIONS
SEAL
DEWATERING
r- CONCRETE BLOCK
X
CONSTRUCTION SPECIFICATIONS
1. LAY ONE BLOCK ON EACH SIDE OF THE STRUCTURE
ON ITS SIDE IN THE BOTTOM ROW TO ALLOW POOL
DRAINAGE. THE FOUNDATION SHOULD BE EXCAVATED
AT LEAST 2 INCHES BELOW THE CREST OF THE STORM
DRAIN. PLACE THE BOTTOM ROW OF BLOCKS AGAINST
THE EDGE OF THE STORM DRAIN FOR LATERAL SUPPORT
AND TO AVOID WASHOUTS WHEN OVERFLOW OCCURS.
IF NEEDED, GIVE LATERAL SUPPORT TO SUBSEQUEN F
ROWS BY PLACING 2 X 4 WOOD STUDS THROUGH
BLOCKOPENINGS.
2. CAREFULLY FIT HARDWARE CLOTH OR COMPARABLE
WIRE MESH WITH 12-INCH OPENINGS OVER ALL
BLOCK OPENINGS TO HOLD GRAVEL IN PLACE.
3. USE CLEAN GRAVEL, V4• TO 124NCH IN
DIAMETER, PLACED 21NCHES BELOW THE TOP
OF THE BLOCK ON A 2:1 SLOPE OR FLATTER AND
SMOOTH IT TO AN EVEN GRADE. DOT #57 WASHED
STONE IS RECOMMENDED.
s
BLOCK AND GRAVEL DROP INLET PROTECTION
CONCRETE
3000
P.S.I.
NCDOT STANDARD 2'X2' GRATE
MORTAR r"J OPENING
BED
1 � o m-jKBi#11L'69� I
GRADE
2:1 SLOPE, GRAVEL FLTER
WIRE SCREEN
TEMPORARY SEDIMENT
POOL
- -� - - - - DEWATERING T
T
1'MIN.
T_lu_II Ihl II -II �F
EDIMENTII�1il •
m
a
a
PIPE �
MIN 1' SUMP FOR
SEDIMENT
ACCUMULATION
NOTES:
SECTION EITHER SOLID BRICK, SOLID BLOCK OR PRECAST
CONCRETE MAY BE USED. PLAN
FOR 24" R.C.P. AND LARGER USE PIPE DIA.
PLUS 12" FOR MINIMUM INSIDE DIMENSION.
GRATED INLETS SHALL NOT BE USED WITHIN TRAVEL AREAS.
STANDARD STEPS REQUIRED O 16" O.C. WHERE DEPTH EXCEEDS 3',
STANDARD YARD INLET WITH GRATE AND FRAME
NTS
i
VA�1111tUllhllf 111f SEAL
FESSL
033840
M.
/111111ffiillllll\1'�I\\\\
SEAL NOT VALID UNLESS SIGNED AND DATED
3: 1 MAX.
GRASS
BUFFER
STRIP
INFILTRATION BASIN
OU TFLOW IBM
30'
GRASSED FILTER WETLANDS
QDIN�D PT -4 STRIP _I L 1 1 J
#5 REBAR J
2' LENGTH MIN.
3 PER 8' LENGTH OF LIP
y57 WASHED STONE ON FILTER FABRIC
RICO LIP
6" X 6" TREATED TIMBER
8' MIN. LENGTHS
LEVEL SPREADER -TYPE I
Lo
►or�_ ���
PLAN
W OUTLET PIPE STONE LINING
CLASSIFICATION
SECTION
OUTLET
Do
LG
W
DEPTH
* LINING
NO.
(IN.)
(FT.)
(FT.)
(IN.)
CLASSIFICATION
FES-1
15
5.0
4.0
12
CLASS A
FES-2
15
5.0
4.0
12
CLASS A
FES-3
15
5.0
4.0
12
CLASS A
FES-4
15
5.0
4.0
12
CLASS A
OUTLET PROTECTION DETAIL
PERMANENT SEEDING SCHEDULE - MIXTURE
SEEDING MIXTURE:
SPECIES
COMMON BERMUDA OR OTHER BERMUDA SPECIES
SEEDING DATES:
PIEDMONT - APR. 15 - JUNE 30
COASTAL PLAIN - APR. - SEPT.
SOIL AMENDMENTS
FOLLOW RECOMMENDATION OF SOIL TESTS OR APPLY
2,000 LB/ACRE GROUND AGRICULTURAL LIMESTONE
AND 1000 LB/ACRE 10-10-10 FERTILIZER
I VARIABLE AS DIRECTED BY THE ENGINEER
MIN, 100A
LINE W RE:
SOD SIDE SLOPE AND BOTTOM
USE STAPLES TO FIRMLY FASTEN
REQUIRED
nD1E:
EXISTING 'R SILT FENCE ONLY WHEN OR,NNAGEAREA
DOES NOT EXCEED 1A ACRE AND NEVER IN
AREAS OF CONCENTRATED FLON
GRADE ENp OF SET FENCE NEELS TO BE WRHED LPWLL.
SWALE SECTION
3: 1 MAX.
vWFKIN4&C_REED
1730 Varsity Drive, Suite 500
Raleigh, North Carolina 27606
Phone: [phone], Fax: (919)233-ED31
AA0002667 EB0006691
www.mckimcreed.com
RATE (LB/ACRE)
40
MM G0,
UEDINTE
STANDARD METAL POSTS 2'-0' IN GROUND
GRACE
GALVANIZED
WIRE
EXTENDHARDWT
EXTENDS 70
TOP OF BOX
FRONT
-
VIEW
STEEL POST
WOVEN WIRE FABRIC
SILT FENCE GEOTEXTILE
FABRIC
p
FILL SLOPE
i9
;
• FOR REPAIR OF SILT
FENCE FAILURE:, USE
Nu 57 WASHE0 :TOME.
LiL
FORANCHORWHENSIIT
M
GRACE
FENCEISPROTEDrM
CATCH BASIN.
S. N W. COVER
6 OVERSKIRT'
N
ANCHOR8NRTAS
DIRECTEDBYENGINEER'
SIDE VIEW
STANDARD TEMPORARY SILT FENCE DETAIL
Ri VE j I D, �, U,� j, I NN - ES
NORTH CAROLINA
of
�•:-Gt ldbO90X.(p.....M•tn• r. •••BN:oL•V'BB nn1n ',
•ABOVE
TOPOFSOX
STANDARD CATCH BASIN & YARD INLET PROTECTION
RIVER DUNES DEVELOPMENT
RV &BOAT STORAGE AREA
STORMWATER DETAILS
DATE:
JULY 22, 2008
MICE PROD.
N 4135-0002
DRAWN
JCA
DESIGNED
JCA
CHECKED
GML
PROD. MGR,
GML
SCALE
M&C FILE NUMBER
CG501
HORIZONTAL:
DRAWING NUMBER
NA
VERTICAL:
D4
NA
STATUS: REVISION
ISSUED FOR PERMIT

I
NCDENR DND HIGH DENSITY STORMWATER PERMIT SUBMITTAL
08-13-08
REVA D.
DESCRIP71ON5
DATE
I REVISIONS
V rl
/
(EL 7.0)
Flood Gone AE
SEAL
...CAR SEAL
4
E ,G
I °
SEAL' _
033840 -
S1gMimV` \\
SEAL NOT VAUD UNLESS SIGNED AND DATED
L
vMCj<jM&
CREED
1730 Varsity Drive, Suite 500
Raleigh, North Carolina 27606
Phone: [phone], Fax: [phone]
AAOOD2567 E80006691
www.mckimcreed.com
I --A
Rive DU1��S
NORTH CAROLINA
Hark\or �
V111age� IV �
LEVEL SPREADER
RIVER DUNES DEVELOPMENT
RV & BOAT STORAGE AREA
EROSION CONTROL PLAN
LEGEND:
�8
+ 7.20
+ HP
+ LP
SF
t 1
EXISTING CONTOUR
PROPOSED CONTOUR
SPOT GRADE
HIGH POINT
LOW POINT
TEMPORARY SILT FENCE
EXISTING TREELINE
PROPOSED TREELINE
TEMPORARY CONSTRUCTION ENTRANCE
TEMPORARY INLET PROTECTION
/\
NORTH
50' 0 50' 100'
SCALE: 1"=50' (Horiz.)
DATE:
JULY 22, 2008
MICE PROJ.
# 4135-0002
DRAWN
JCA
DESIGNED
JCA
CHECKED
GML
PROJ. MGR.
GML
SCALE M&C FILE NUMB[
CE101
HORIZONTAL: DRAWING NUMBE
1"-50'
VERTICAL: C4.1
NA
iTATUS: ISSUED FOR PERMIT `��"

/
TIE TO EXISTING
PAVEMENT
SEAL
1 1 NWENR DWD HIGH DENSITY PERMIT SUBMITTAL - 1 08-13-08
(EL 7.0)
Flood Zone AE
1I I I II////,/ SEAL
N . FARO'%,,.
FES AL
033840
iC'G ENGINEER -����
///q II111i1111\\\\\\
SEAL NOT VALID UNLESS SIGNED AND DATED
/
vMcIQM&CREED
1730 Varsity Drive, Suite 500
Raleigh, North Carolina 27606
Phone: [phone], Fax: [phone]
AA0002667 EB0006691
www,mckimcreed.com
TIE TO EXISTING
PAVEMENT
/
RNV DU NF'rS
NORTH CAROLI`NA
/ � \ 434; \ \
/ / \ 435i \ \ \
\ \ \ \ \ 434
\ \ \ [435 \ \
\� ]H[ a r b C� \
pillage \ \
C No
RIVER DUNES DEVELOPMENT
RV & BOAT STORAGE AREA
SITE PLAN
LEGEND:
EXISTING RIGHT OF WAY
EXISTING TREELINE
PROPOSED TREELINE
EXISTING WETLANDS
NORTH
50' 0 50' 100'
SCALE: 1 "=50' (Horiz.)
DATE:
JULY 22, 2008
MCE PROD.
# 4135-0002
DRAWN
JCA
DESIGNED
JCA
CHECKED
GML
PROJ. MGR.
GML
SCALE
M&C FILE NUMBER
CS101
HORIZONTAL:
DRAWING NUMBER
1"=50'
VERTICAL:
C 1 1
NA
STATUS: ISSUED FOR PERMIT RECISION
1

t
43 GRADING NOTES_
1. INITIATE EROSION CONTROL SEOUEN'_
OUTLET TO \ i:BEFORE BEGINNING
- \ \ NEUSE RIVER 434i, ` CLEARING AND GRADING OPERATION.
2. CLEAR AREAS TO BE GRADED OF ALL VEGETATION. PROTECT
( 435VEGETATION BEYOND GRADING LIMITS
6
INFILTRATION BASIN RV-4 \ 3. STRIP TOPSOIL TO FULL DEPTH IN ARE
PROVIDED = 7084 CU FT
AS TO BE GRADED.
_
,�' REQUIRED = 5,504 CU FT \
T� (1.5 in storm) 4. COMPACT ALL FILL AREAS TO 95% OF MAXIMUM DENSITY,
L ,
OR PER GEOTECHNICAL RECOMMENDATIONS.
BOTTOM EL = 3 50 FMSL
y
i
/
1
40 LF 15` RCP
i,
\ \\
t
-5
L=0 FT
TOP OF LIP EL. 4.550 FT
SEE DETAIL - SHEET D4
i
/INFILTRATION BASIN RV-1
REQUIRED = 20,574 CU FT
(3.0 in storm)
PROVIDED = 20,581 CU FT
BOTTOM EL 2.50 FMSL
STORAGE EL = 4.50 FMSL
TOP EL = 5.50 FMSL
SHWT = 0.50 FMSL
GRASSED SWALE
5.70
/ - 5. ALL AREAS ARE TO BE GRADED SO THAT NO AREAS OF
\ / STORAGE EL = 5.50 FMSL
- \ TOP_EL = 6`50 FMSL \ .� STANDING WATER OCCUR.
' SHWT 0.50\FMSL \
t (EL 7.0).� / 6.50 _--- �% A �� 6 6 GROADEOSED (GUTTERTFLOW LINEN ELEVATSON,WN AT WHEREFINISHED
Flood Zone AE i HP �% \ \ \ 0// / ` APPLICABLE).
45 LF 15" RCP L �Q-1-
I �y 7. EARTHEN BERMS TO BE CONSTRUCTED AT MAXIMUM 2:1 SLOPES.
8. NOTIFY NCDENR DIVISION OF LAND QUALITY BEFORE GRADING INSIDE
X \ 50 FT NEUSE RIVER RIPARIAN BUFFER.
LS}4 5.86
X A L=40 FT
TOF$>OF LIP EL 5.50 FT
SEE'iDETAIL - SHEET D4 434I
/ \ ` 436i \ \
5, 10 60 STORMWATER NOTES:
1. SOIL BORINGS IN INFILTRATION BASINS WILL BE CONDUCTED PRIOR
435i \ TO CONSTRUCTION OF IMPERVIOUS AREAS THAT PRODUCE
/ STORMWATER RUNOFF. BORINGS WILL BE LOGGED AND SUBMITTED
WITH THE PE CERTIFICATION REQUIRED WITH PERMIT. A REGISTERED
LS-7 _ - of @ SOIL SCIENTIST WILL FIELD VERIFY THAT THE SOILS IN THESE AREAS
/ L=10 FT e 7 25 \ \ \ WILL BE REPLACED WITH SUITABLE SOILS PER NCDENR STORMWATER
TOP OF LIP EL. 4.50 FT / _ - -�� , HP \ \ BMP MANUAL STANDARDS.
40 LF 15'� SEE DETAIL - SHEET D4 A\\ (�� °
J-,
_ 8 P 5 ' /� \\ Y F .� H a r b\o \� 2. CONTRACTOR SHALL COORDINATE WITH THE ENGINEER TO INSTALL
BENCHMARK AT EACH INFILTRATION BASIN AS A
GUIDE FOR MEASUREMENT OF SEDIMENT STORAGE
Vitl age IV 3. THE INSTALLED INFILTRATION BASINS WILL MEET DESIGN SPECIFICATIONS
j 8.00' % 1
` 6 \ \ (CONSTRUCTED OR RESTORED) UPON INITIAL OPERATION ONCE THE
PROJECT IS COMPLETE AND THE DRAINAGE AREAS ARE STABILIZED
i / e •5' ,
iJ /
FES-4 J
i - L=20 FT
/ � DRAINAGE AREA RV-4
TOP OF LIP EL. 4.50 FT - ./� 15 % iNV: 4.50 '
4'x5'x12" THICK SEE DETAIL - SHEET D4 / 106 LF 56,084 SF \
RIP RAP APRON - . DIP _ - 1. S .00
29 ACRE 8
CLASS A STONE 8� '/ �. 6% C=0.85 _
/ ON FILTER FES-3 i N ,'' /'' --•t .• �-
FABRIC, TYP. INV:4.50 - -- - II ' I. I•t i -_.
6AQKWATER- - - 7.90
VALVE
HP 3< s s ' I
- 0%
ly
8.00
.10
1
DRAINAGE AREA RV-1.� ��) _ - / .25
113,175 SF X 6.75
2.60 ACRES ;% D4
i
C=0.79 _ RIM: 7.10 DRAINAGE AREA RV-3
/ - I N V: 5.1 57,491 SF l Of
t�` - 1.32 ACRES
85 LF No 0 C=o.82 8.00
6.65 \
GRASSED\
SWALE
�V
\ TIE INTO EXISTING GRADE
38 LF 15* RCP
1 NCDENR DWQ HIGH DENSITY STORMWATER PERMIT SUBMITTAL 08-13-OE
REVAO. DESCRIPTIONS DATE
REVISIONS
LS-1
L=20 FT
TOP OF LIP EL. 4.50 FT
SEE DETAIL - SHEET D4
\\\'0,1111111111fol" SEAL
����N .. CARp��L°:
Q oFEssr�� _
EAL ` J
033840
ulM6ng11,v��
SEAL NOT VALID UNLESS SIGNED AND DATED
INFILTRATION BASIN RV-2
REQUIRED = 20,756 CU FT
(3.0 in storm)
PROVIDED = 21,206 CU FT
BOTTOM EL = 2.50 FMSL
STORAGE EL = 4.50 FMSL
TOP EL = 5.50 FMSL
SHWT = 0.50 FMSL
�v &CREED
1730 Varsity Drive, Suite 500
Raleigh, North Carolina 27606
Phone: [phone], Fax: [phone]
AAOOD2667 E80006691
www,mckimcreed.com
R
NORTH CAROLINA
P � /�
LS-3
L=20 FT
TOP OF LIP EL. 5.00 FT
SEE DETAIL - SHEET D4
INFILTRATION BASIN RV-3
REQUIRED = 5.581 CU FT
(1.5 in storm)
PROVIDED = 7068 CU FT
BOTTOM EL = 3.00 FMSL
STORAGE EL = 5.00 FMSL
TOP EL = 6.00 FMSL
SHWT = 0.50 FMSL �\
OUTLET TO
.:. NEUSE RIVER
RIVER DUNES DEVELOPMENT
RV &BOAT STORAGE AREA
GRADING AND DRAINAGE PLAN
LEGEND:
�e
+ 7.20
+ HP
+ LP
EXISTING CONTOUR
PROPOSED CONTOUR
SPOT GRADE
HIGH POINT
LOW POINT
EXISTING TREELINE
PROPOSED TREELINE
DRAINAGE AREAS
50' 0 NORTH50' 100'
SCALE: i"=50' (Horiz.)
DATE:
JULY 22, 2008
MCE PROJ.
# 4135-0002
DRAWN
JCA
DESIGNED
JCA
CHECKED
GML
PROJ. MGR.
GML
SCALE
M&C RLE NUMBER
CG101
HORIZONTAL:
DRAWING NUMBER
1"=50'
VERTICAL:
C3 1
NA
STATUS: ISSUED FOR PERMIT RECISION

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un wn
;y 1 ,,� ►.
EMER4EtCY 69TMlE
t
rf f ♦ /
3 e "' '- � ct i • �
# s�'"�� s Its I4I�_ N AREA
1-11GH hw?Ei,,JulTY ARE..A •I 1--.---­
1 NCOENR DWO HIGH DENSITY STORMWATER PERMIT SUBMITTAL 08-13-GE
REV,NO, DESCRIPTIONS i DATE
REVISIONS
4 E�Ap DENSITY
Iltr -� iw�� NSI T Y /VREA
j k�Y[k,;..'Aa k;�:6,
i� li i }�4.... 1''t•II 1.i lYF It F/'1YS 4.I? a1 .�..u....
IN
I
Parkway /
CreMM
ekside —
CREEKSIDE
LOWER
I
CREEKSIDE
Parkway /
North '
Parkway
I South
�RIVERSIDE
RIVERSIDE 1
REC40. e41 ZA6A
N
I I I IIII/'/F SEAL
AR,
SAL
0
033840
SCAL NET VALID UNLESS SIGNED AND DATED
I
a
�-��i� —mot; •..„. �€�', ' '• "'+II1�1��'!� ; .>� ���
t
P
l
film
i
I
� , �`� I ,' � / �' -''-j( �� �� • N'eUsE RheaK.
/[ r�
U
1730 Varsity Drive, Suite 500
Raleigh, North Carolina 27606
Phone: [phone], Fax: [phone]
AAOOD2567 EB0006691
www.mckimcreed.com J
Ve
S 1a
a),
s•1i.1i11v
...,.,
ILL
Tt f L
61 Ip IF
f I
r L IC In
,:I r
FI i
Ct.t tt� C A
PR h S ^U,t
St � viRt.
111G Y DEi_ ISITY F�EA 4
HU
ARE
�4..,....w...:..:�u. 3...,7.`+i ip336.G'4 iV'I..,. 88�..et Ie<,y{
HIGH DENSITY Y AREA 6
RV & BOAT STORAGE AREA
HIGH DENSITY AREA 10
NOTE:
MASTER PLAN INFORMATION TAKEN FROM MAP
PREPARED BY MCKIM & CREED ENTITLED '/ MASTER
PLAN OF RIVER DUNES SUBDIVISION—PUD
DEVELOPMENT" DATED FEBRUARY 7, 2006, FOR RIVER
DUNES CORPORAT;ON.
R I
1[ V/, Eli D
.1-4-N, D-,.---) U_.1jfN11N!;
NORTH CAROLINA
RIVER DUNES DEVELOPMENT
PAMLICO COUNTY, NC
RV &BOAT STORAGE AREA
OVERALL MASTER PLAN
LEGEND:
WETLANDS
HIGH DENSITY AREAS
- OVERALL BOUNDARY LINE
M
500' 0 500' 1000'
SCALE: I"=500' (Horiz.)
DATE:
OCTOBER 2007
MICE PROD.
# 4135-0002
DRAWN
CMB
DESIGNED
CMS
CHECKED
GML
LE ROJ. MGR.
GML
SCALE M&C ME NUMI
HORIZONTAL' DRAWING NUM;
1 " = 500'
VERTICAL: M-1
NA
STATUS: REVISION
ISSUED FOR PERMIT 1