SW8980434_APPROVED PLANS_19981110

STORMWATER DIVISION CODING SHEET
POST -CONSTRUCTION PERMITS
PERMIT NO
SWs C►8C 43y
DOC TYPE
❑ CURRENT PERMIT
APPROVED PLANS
❑ HISTORICAL FILE
❑ COMPLIANCE EVALUATION INSPECTION
DOC DATE
YYYYMMDD

i
5
PERMANENT SEEDING SCHEDULE SITE INFORMATION
SEEDING MIXTURE RATE (LBWCRE) I . TOTAL PROJECT AREA 15 4.9 ACRE5. TOTAL IMPERVIOUS AREA 15 1.44 ACRE5.
AMERICAN BEACH GPA55 SPRIG
SEEDING DATE5: NOV. thru JUNE 2. TOTAL AREA Of DISTURBED LAND SHOWN 15 1.87 ACRE5.
5EA OATS SPRIG
SEEDING DATES: MARCH thru JUNE 3. THI5 PROJECT IS CONSIDERED HIGH DENSITY DEVELOPMENT WITH AN
WEEPING LOVE GRA55 100
SEEDING DATES: APRIL thru JUNE IMPERVIOUS RATIO OF 29.4%.
SOIL ADMENDMENT5: FOLLOW RECOMMENDATIONS OF LANDSCAPE ARCHITECT 4. THE 51TE DRAINS TO 5A WATERS (CAPE FEAR RIVER) AND 5C WATERS (BHI
MARINA).
SEEDING MIXTURE RATE (LB\ACRE)
RUDBACKIA AMPLEXICAUL15 5. MEAN HIGH WATER 15 2.0 M5L.
CLASPING CONEFLOWER 3 G. NEWHAN � FRIPP SANDS ARE THE PREDOMINANT 501L TYPE WITH INFILTRATION
R_UDBECKIA HIRTA RATE APPROX. 20"/HR..
GLOP105A DAI5Y 2
BALD HEAD ISLAND MARINA
GRATE INLET (5C WATERS
7.5' MSL�
y y W -" 30"HDPE PERFORATED
� ) 15'
6.5' MSL- ~-
30" 30" CAP
4.0' MSL -
6" LAYER OF #57
GEOTEXTILE WASHED STONE_
GEOTEXTILE
-- - NOTES: in I . All Impervious area to sheet flow Into catch bass.
2. Elbow or capped tee to be used at Inlet.
7. THERE ARE NO OFF5ITE DRAINAGE AREAS. TYPICAL 18"' FRAME 30" 3. Mlran 140N or equivalent cgeotexhle to be used to
COREOP5I5 TINCTORIA AND GRATE wrap perforated pipe.
DWARF RED PLAINS COREOP515 2 8• PREDEVELOPMENT RUNOFF COEFFICIENT 15 0. 1 5.
COPEOP515 TINCTORIA 9. DEVELOPED RUNOFF COEFFICIENT 15 0.45.
CALUOPLI5 2
10. INFILTRATION 5WALE5, INFILTRATION TRENCHE5, AND BEST MANAGEMENT
COPEOPS15 LANCEOLATA PRACTICES ARE THE PRIMARY CONTROLS FOR 5TORMWATER MANAGEMENT.
TICKSEED 10
GAILLARDIA PULCHELLA
INDIAN BLANKET 10
EROGR_O_5TI5 CURVULA
WEEPING LOVE GPA55 50
SEEDING DATES: MARCH thru MAY, 5EPT. thru DEC.
I I. ALL RUNOFF FROM ALL IMPERVIOUS SURFACE TO BE DIVERTED TO INFILTRATION
5WALE5 AND INFILTRATION TRENCHES.
12. ACCORDING TO THE OWNER THERE ARE NO REGULATED WETLANDS ON THIS
SITE.
13.
BALD BEAD ISLAND DEVELOPMENT 15 THE OWNER AND WILL BE THE FINANCIAL
RESPONSIBLE PARTY FOR LAND DISTURBANCE.
LOT AREA COVERAGE TABLE
200
- 2500
SF
208 -
2500
SF
2 13 -
2500
SF
216 - 2500 SF
202
- 2500
SF
209 -
2500
SF
214 -
2500
SF
210 - 2500 SF
204
- 2500
SF
210 -
2500
SF
2 1 5 -
2500
SF
220 - 2500 SF
20G
- 2500
SF
21 1 -
2500
SF
2 1 G -
2500
5F
AMENITY AREA = 500 SF
207
- 2500
SF
2 1 2 -
2500
SF
2 17 -
2500
SF
TOTAL 45,500 5F
DRAINAGE BASIN INFORMATION TABLE
13A51N
AREA (acre)
IMPERVIOUS AREA (acre)
GREEN AREA (acre)
%1MFEKV10U5A
5WALE
RUNOFF RATE (C1`5)
VELOCITY(FF5)
I
1.15
0.58
0.57
50.4
TRENCI-E5
3.70
0
2
0.91
0.32
0.59
35.2
5W-2
2.47
O
3
0.70
0.32
0.38
45.7
5W-3
2.27
0
4
O.G5
0.22
0.43
33.6
5W-4
1.72
O
5
1.22
0
1.22
0
5HEETF.OW
1.15
0
G
0.27
0
0.27
O
15HEETF.OW
I 0.2G
0
4. 18" 0 Vulcan model V-3700 or equivalent ring and
I1 grate.
PLAN VIEW
TYPICAL INFILTRATION GRATE, ELBOW, AND CLEAN OUT
F
w
w�
a
z�
ow
U
GPA55 5WALE BOTTOM
AND 51DE SLOPES �
EASEMENT
WIDTH
EXISTING
GRADE
DEPTH I
storage
M
I EXISTING I
'ROW BOAT ROWI
CONSTRUCTION ENTRANCE DETAIL
nts
NOTE:RE
q�y �EB�q� M pI
W AT ROW IMMED� TELY. OM
BOTTOM -perm. pool
WIDTH
TYPICAL INFILTRATION SWALE DETAIL
NOT TO SCALE
INFILTRATION
SWALE
TABLE
DRAINA(AC)
BA5INGE
5WALE
DRAINAGE
BA51N
(FT)
(T)
LENGTH
(F
DEPTH
(FT) (FT)
EASEMENT BOTTOM
WIDTH WIDTH
(MSL)
PERMANENT
POOL
(5.F.)
IMPERVIOUS
ALLOWED
(C.F.)
REQUIRED
STORAGE
(C.F.)
PROVIDED
STORAGE
(MSL)
TEMPORARY
STORAGE
(HP)
DRAWDOWN
2
5W-2
0.91
250
1.0
17 5.0
9.0
13939
181 G
2000
10.0
0.57
3
5W-3
0.70
240
1.0
17 5.0
7.0
13939
1759
1920
8.0
0.88
4
5W-4
O.G5
I GO
1.0
17 5.0
7.5
9583
1 255
1 280
8.5
0.94
�i
0
NETTING
0°
OAK POST STAKES (2'X 2' NOMINAL)
tO
SHALL BE SPACED AT 6'-0' ON CENTER.
X
s
•
FILTER FABRIC
�
(100 - 120 LBS. ON GRAB
CO
TENSIL STRENGTH).
TOE IN (4' X 4' TRENCH
ALONG LINE OF POSTS)
fi a
',;IIIIIIIIII
IIIIiII
_
3
-I 1 I
I ,- ,
NOTE,
r--F
r+
REMOVE EROSION FROM SILT FENCE WHEN
(D
IT RISES TO ONE HALF HEIGHT OF FENCE
43,
AND REPLACE WHERE EROSION HAS OCCURRED.
/9'E SILT FENCE
U09
DETAIL
_
n
s
RIVERSIDE
1.M zUrI d9ISIA
1.5" THK. AC ON 6" ABC
ROAD SECTION - 2
STA 12+75 TO 16+50 f APPROVED
NORTH CAROLINA ENVIRONMEN'
MANAGEMENT COMMISSION
DIVISION OF WATER QUALITY
Z4- JUIQ-'Zcx;4-
gin' Raw
HARBORSIDE
I
4' CONC. 1# CONC. BAND
1/4'11'
16' ASPHALT
5" THK. AC ON
1.0' CONC. BA
1/4' 1'
ROAD SECTION - 1
STA 10+00 TO 11+6 IVED
PROJ #
DEC 19 2003
DWQ
IF LEGEND
�-
SILT FENCE
-
PROPOSED INFILTRATION SWALE
LIMIT OF DISTURBANCE
000000o
PROPOSED CONSTRUCTION ENTRANCE
0000000
- 31 PROPOSED COUTOUR
-3//- EXISTING COUTOUR
09
PROPOSED SPOT ELEVATION
PROPOSED RUNOFF DIRECTON
BASIN BOUNDARY
10
MODIFY BUA FOR LOT 2 1 9 1 2/ 18/03
9
REV. INFILTRATION TRENCHS 09/15/00
8
ADD INFILTRATION TRENCH 02/29/00
7
REVISED SWALE SW-1 02/ 1 5/00
G
REVISED 5WALE5 02/07/00
5
REVISED ROAD SECTIONS 01/04/00
4
REVISED DRAINAGE � DENSITY 1
2/27/99
3
REVISED ROAD SECTION
9/ 14/98
2
GENERAL REVISIONS
5/2G/98
I
GENERAL REVISIONS
5/ 1 2/98
REV.
#I
I DESCRIPTION
REV.BY
DATE
REVISIONS
BALD hFAD /3LAAID L 07ED, M .
BALD HEAD HAND KC.
CAPE FEAR
Engineering, Inc.
5,O40 New Centre Dnve, Suite D
250 North Church St.
Wilmington, N.C. 28403
Spartanburg, SC 29306
TEL [phone]
TEL [phone]
FAX [phone]
FAX [phone]
www.capefearen_q.com
DRAWN :
J.Petroff
PROJECT
NUMBER
IN
300-07
DESIGN : J.Petroff
CHECK :
S,McAree
SCALE :
1'=30'
APPROVED :
S.McAree
DATE
10 NOV 98
Pt\300\300-07\DW
G\300-07-SWEC-I-RI.DW
G
ROW BOAT ROW
SUBDIVISION
5W8 980434 Mod
STORM WATER MANAGEMENT,
SEDIMENTATION * EROSION
CONTROL PLAN
PROJECT NUMBER SHEET NUMBER
300-07 SWEC- I
a
,�99fa43V /AA.J

s
SEoUENCE OF CONSTRUCTION
I . PRECON5TRUCTION CONFERENCE TO BE HELD PRIOR TO
BEG NNING CONSTRUCTION.
2. DETERMINE AND MARK LIMITS OF DISTURBANCE.
3. CONSTRUCT INFILTRATION SWALES FOR 5TORMWATER.
4. TOP501L REMOVAL AND/OR STORAGE.
5. PLACE SILT FENCE AS SHOWN ON PLANS AS DIRECTED BY THE
ENGNEER, OR AS REQUIRED.
\\� \ S 24'S3'55" W _ ' ' W S `--� ( IN Fes) G. BEGIN MA55 GRADING INCLUDING ROADWAY PREPARATION.
\ >\\ \ 5�94 ► I t / , 1 S 30*13'30 W I 1 S ► I , I 4p43'S4" W INSPECT AND MAINTAIN ALL EROSION CONTROL DEVICES EVERY
O \ ► I 4.03' ► 1 inch a 30 ft
"� \ \\ \ ► I I r• I I � ' ' r• I _ 159.49' ► I I 7 DAYS AND AFTER EACH SIGNIFICANT RAINFALL EVENT (0.5"
��X\ \ \ 53.86� 22 6� I I OR GREATER).
\ \ \ ► I I 7. PLACE TEMPORARY SEEDING ON ANY DISTURBED AREAS THAT
\�\\----------------- ► I I S 32'3048" W
�\ \ - - - _ � ARE TO BE LEFT IDLE FOR MORE THAN 14 DAYS.
_ _ _ _ _won I I i I 2 8. PERJrIANENT GRASS SHALL BE INSTALLED FOR ALL AREAS AT
=2 _ _ - - - - - - ` - \ \ PROJECT BOUNDARY INRL GRADE AND IN SEASON. FERTILIZE, RESEED, AND WATER
_ - - - - - - - _ - - - _ _ _ _ _ ' - AS IP TO ESTABLISH A VIGOROUS STAND OF GRASS.
//, \�\\` 1 �� 4 -5Ac1 - _ - - - - _ _ ` �\ \ AREA= .9 ACRES
= 9 AFTER ZED, REMOV OF COCCUMULAITOED SEDIMENTN AND THE FROM
/ 8--
L-�� - --
e / / \_- _ - _ _ _ - - - - - _ _ _ _ _ `\ 75'-BACK-FROM 98 MHW I TRAPPING DEVICES AND SPREAD EVENLY ACROSS THE SITE.
&� I D15TURBANCE - _ I I 1 Z 10. GRASS THESE AREAS IMMEDIATELY AND REMOVE ALL
/ 1 1 / \ I \ COMM �,I IAREA - 01 TEMSRARYTRAPPING DEVICES.
1 1 ( AREA = 1.87 ACRE$
DRAINAGE BASIN / / - 2 -
A BOUNDARY (TYP)t- - - - -
OD Ali
_'` 1. ._ _ L. .\=;�G �i/ _ \# EA5EMENTA�Fo
F •.� -1/ . O --.� - '� � . �. � - \ \- /�/'��jg1��,��%�--_-'/,'.1. _. _- - �:, ,•5,.:: .r .. 'x '_: e_ _ .;e, _ v; �. ,: I - �/"�-/ .�1/i -- ____ -_ - _
t- _ r' r� 'r 1 -4 - � .� . ,� //{ry/_�'7�' �//%� i . , - �.., , �.. //n. \ \- - AO .. 0 . ` \--�„h� -•�i �. - - - I' V / - F
hi f s f05�1-,8 13 88 \,,/= _ f;r..,. , , _. \ - - - - - - -TRAM I pN -
� fr 4i�
\\ \� S. 3212'15dy~:�( _ , -- _ -
\ i�_60..00 6C. 9' /;// 6 b I I`�--' �4 = r+
/ \ \ 60.09 I I\
\ y�IFIL I�/T'014 /Aj E S -2 lul ( \ \ , /,/ I . g gip, _ ,� \ r a , , �� �� o
t ,' / \ \ � � - - \ " \ "C 1 1j1 ( / / ,, I I 1 - � 7` 1) 5 5. 0 - .=� +� I a
C011A51N-2 111111 J�/��// / �I � I I �\�\ � �` `58'�� ,1 I`� `+. (n.91 a FI T�RATI ON S1IyALE W-3 7.01 90'-
c
-_j1��� �i���\\ I - �, \`! __\_/ ��-- 00 \ \tea z o-� --, 1 , I �.� 1Sg i - _ - 3
_ : 1 '3 I 1 j `c�� i \ ` I (� I, \ _ \ _ _ (o i 1 rn , a z -_ 1
�jb_D`�RAINAGE�1 I 1 N \\\� \ \ - � \ 1 00 - N d�
= f / TA5EMENT- - - 1Q \ \ \ N f 11 �� F+� \ _ _ \ \ \ \ 0) Ski\
cfn
1 I 1 1 I \ \ \
fTjN \ \_\, O
I I220\ I 14 j 0 20 ,
C
Q
I 1 72.25 l '60.00' 6C4 \ \ 6000 \ \/ _ �15 N60.ge- r$Q:00 o
l --- --� v
\ � N
\ ..--\- ----\
-- O\ 1
-fI M6000> 6C.00ao .00� 60.0dl 60.00 z 60:00
- \
i \
\ 72:48 2 17 2 1 5,/ 2/(3 �_L I 209 �'
w
- --_ _ - ------ 207 \ z 0 \0 1 IF
_ w
44 36 43" W
CAPE FEAR RIVER
(SA WATERS)
GRAPHIC SCALE
30 0 Is 30 Jso
If
MEAN HIGH WATER
2.9' N.G.V.D.
JANUARY. 1998
NETTING
OAK POST STAKES (2'X 2' NOMINAL)
SHALL BE SPACED AT 6'-0' ON CENTER.
X
f
FILTER FABRIC
u? (100 - 120 LBS. ON GRAB
a TENSIL STRENGTH).
ALONG LINE OF,POSTS)H
NOTEi
REMOVE EROSION FROM SILT FENCE WHEN
IT RISES TO ONE HALF HEIGHT OF FENCE
AND REPLACE WHERE EROSION HAS OCCURRED.
�9\'E SILT FENCE DETAIL S
\ o I / CONSTRUCTION
\ \ 4q INMAGE IT- 13 tT=1 1 ;- - _ N IT=5 - ENTRANCE_
IT-3 ��TT_:d I ►o_JI It
L. Row
IT 6 `�fi _ _ i f l Ro V,.)al
_ 3oa 5ETBAI ill - � � tT-1j6 _ 1 � . � \ � - do � � _ � T-�' - 0 4 8 �-
F ENGR souxloNs -�/_ - - - - oo ��_ -tn \ - - - - / v' 0 50 W
_ .F. I I I i, I I_Mai _T T• r r a 0�. ... J / C n
CA. i 1 Imo' i o n / i i I I i i bi G. i i i i i �- T_ 1. 11 I 1 L t AMENITY AREA LJ
\ o AS N- � o p 00 w /
• .. '� 10.8:95' 6d.0o' 60.00 2 ac 60.00' 60.00' 60.00' 60:00' o _ w
1 � �IIIIIillllllllllllllilillllllllllllllllllllllllY�I I •
I 11 1MINES 1 1� 1 1� 1 11 11 11 1I ll ll ll ll l]MINOR l l r t lvisain l lwassia l lsissis l l
n
� PERMANENT SEEDING SCHEDULE
.#F SEEDING MIXTURE RATE (LBVICRE)
t 4a AMEMCAN BEACH GRA55 SPRIG
SEEDING DATE5: NOV. thru JUNE
S SEA OATS SPRIG
SEEDING DATES: MARCH thru JUNE
WEEPING LOVE GRA55 100
SEEDING DATES: APRIL thru JUNE
SOIL ADMENDMENTS: FOLLOW RECOMMENDATIONS OF LANDSCAPE ARCHITECT
SEEDING MIXTURE RATE (LBWCRE)
RUDBACKIA AMPLEXICAULI5
CLASPING CONEFLOWER 3
RUD13ECKJA HIRTA
GLOR105A DAI5Y 2
COREOPSIS TINCTORIA
DWARF RED PLAINS COREOP515 2
COREOP515 TINCTORIA
CAUJOPU5 2
COREOP5I5 LANCEOLATA
TICKSEED 10
GAILLARDIA PULCHELLA
INDIAN BLANKET 10
EROGROSTIS CURVULA
WEEPING LOVE GRA55 50
SEEDING DATES: MARCH thru MAY, SEPT. thru DEC.
SITE INFORMATION
BALD HEAD ISLAND MARINA
I . TOTAL PROJECT AREA IS 4.9 ACRES. TOTAL IMPERVIOUS AREA 15 1.41 ACRES. GRATE INLET _ (SC WATERS)
2. TOTAL AREA OF DISTURBED LAND SHOWN 15 1 .87 ACRES.
7.5' MSL-
3. THIS PROJECT 15 CONSIDERED HIGH DENSITY DEVELOPMENT WITH AN 6.5' MSL-
IMPERVIOUS RATIO OF 25.8%.
30"
4. THE 51TE DRAINS TO 5A WATERS (CAPE FEAR RIVER) AND SC WATERS (BHI
MARINA). 4.0' MSL - II
5. MEAN HIGH WATER 15 2.0 M5L. GEOTEXTILE
�u, nurr- fIrrmrummicu/
30" CAP
It 11
T 6" LAYEF
GEOTEXTILE WASHED
G. NEWMAN 4 FRIPP SANDS ARE THE PREDOMINANT SOIL TYPE WITH INFILTRATION NOTES:
RATE APPROX. 20"1 __-____1 . All Impermous area to sheet flow into catch basins.
__-
2. Elbow or Capped tee to be used at inlet.
7. THERE ARE NO OFF5ITE DRAINAGE AREAS. TYPICAL 18" FRAME 3. Mirafl 140N or equivalent geotextlle to be used to
AND GRATE 30" wrap perforated pipe.
8. PREDEVEU)PMENT RUNOFF COEFFICIENT IS 0.15. ---------- 4. 15" 0 Vulcan model V-3700 or equivalent ring and
grate.
9. DEVELOPE) RUNOFF COEFFICIENT 15 0.45. PLAN VIEW
10. INFILTRATION 5WAU5, INFILTRATION TRENCHES, AND BEST MANAGEMENT TYPICAL INFILTRATION GRATE, ELBOW, AND CLEAN OUT
PRACTICES ARE THE PRIMARY CONTROLS FOR 5TORMWATER MANAGEMENT.
1 1 . ALL RUNOFF FROM ALL IMPERVIOUS SURFACE TO BE DIVERTED TO INFILTRATION
SWALES AIID INFILTRATION TRENCHES.
12. THERE ARE NO REGULATED WETLANDS ON THI5 SITE.
13. BALD HEAL ISLAND DEVELOPMENT 15 THE OWNER AND WILL BE THE FINANCIAL
RE5PON515LE PARTY FOR LAND DISTURBANCE.
LOT AREA COVERAGE TABLE
200 - 2500 5F
208 - 2500 5F
213 - 2500 5F
215 -
2500 SF
202 - 2500 5F
209 - 2500 SF
214 - 2500 SF
2 19 -'t490�5F
Z�)C
204 - 2500 5F
210 - 2500 5F
215 - 2500 5F
220 -
2500 5F
20G - 2500 5F
211 - 2500 5F
21 G - 2500 5F
AMENITY
AREA = 500 SF
207 - 2500 5F
212 - 2500 5F
217 - 2500 SF
TOTA.
SF
444,880
6 24-`)4
gee
DRAINAGE BASIN INFORMATION TP-BLE
BA51N
AREA (acre)
IMPERVIOUS AREA (acre)
GREEN AREA (acre)
%IMPERVIOU5
SWALE _
RUNOFF RATE (CPS)
VELOCITY(FPS)
1
1.15
0.55
O.GO
47.8
TRENCHES
3.70
0
2
0.91
0.32
0.59
35.2
5W-2
2.47
0
3
0.70
0.32
0.35
45.7
5111
2.27
0
4
O.G5
0.22
0.43
33.8
5W-4
1.72
0
5
1.22
O
1 1.22
0
5HEETFLOV
1.15
0
G
0.27
0
0.27
O
SHEETFLOV
0.2G
0
«W
EASEMENT
a2
WIDTH
Q
Z2
ow
Z1u
w
a
a
GRA55 SWALE BOTTOM
AND 51DE SLOPES
EXISTING temp. storage
GRADE
15'
40
IROW BOAT ROW
CONSTRUCTION ENTRANCE DETAIL
nts
NOA
TE: q (�j
ISq�OU O ELR AT 0 M� EDIAT U F OM
DEPTH If
BOTTOM _ -1 perm. pool
WIDTH
TYPICAL INFILTRATION SWALE DETAIL
NOT TO SCALE
N FILTRATION
SWALE
TABLE
DRAINAGE
BASIN
SWALE
DRAINAGE
BASIN
(�)
LENGTH
(�
DEPTH
EAoEMENT BOTTOM
WIDTH WIDTH
PERMANENT
POOL
IMPERVIOUS
ALLOWED
REQUIRED
STORAGE
PROVIDED
STORAGE
TEMPORARY
STORAGE
(HR)
DRAWDOWN
2
5W-2
0.91
250
1.0
17 5.0
9.0
13939
18 I G
2000
10.0
0.87
3
SW-3
0.70
240
1.0
17 5.0
7.0
13939
1759
1920
5.0
0.88
4
5W-4
O.G5
I GO
1.0
17 5.0
7.5
9583
1 255
1280
8.5
0.94
RIVERSIDE
r
CONC.4.6'x .5' PLANTERS(LOCATION VARYS) 3' CONC.
EWAL ID$ EWAIJC
1/4'r1' 1/4'rY Ij-jl
- s ••• M O • e • •e • N ae .C. .
18' ASF'HALT 14AT PLANTER
1.5" THK. AC ON 6" ABC
HARBORSIDE
ROAD SECTION 2
STA 12+75 TO 16+50 f
c k�k'A W ISC LIMA
MAP 0MLy
3,
4' CONC. CONC. BAND
1/4•,1'
16' ASPH
1.0' CONC. BA
1/4'tl'
ROAD SECTION
STA 10+00 TO 11 +60
NORTH CA NA ENVIR
MANAGE 7 CO SION
DIVISION OF R QUALITY
Date
HARBORSIDE
I
�� LEGEND
SILT FENCE
-.
PROPOSED INFILTRATION SWALE
LIMIT OF DISTURBANCE
o ° o ° o ° o
PROPOSED CONSTRUCTION ENTRANCE
*000o
I - 31 PROPOSED COUTOUR
3/ EXISTING COUTOUR
PROPOSED SPOT ELEVATION
PROPOSED RUNOFF DIRECTON
BASIN BOUNDARY
9
REV. INFILTRATION TRENCHS
09/ 15/00
8
ADD INFILTRATION TRENCH
02/29/00
7
REVISED SWALE SW-1
02/ 1 5/00
G
REVISED SWALES
02/07/00
5
REVISED ROAD SECTIONS
01104100
4
REVISED DRAINAGE 4� DENSITY
1 2/27/99
3
REVISED ROAD SECTION
9/ 14/95
2
GENERAL REVI5ION5
5/2G/98
I
GENERAL REVISIONS
5/ 1 2/98
REV.
DESCRIPTION
I REV.BY
#
I
I DATE
REVISIONS
047uk 2CC4tr
-
1'I .�
17q :(. t :r,.� t� I v
CAPE FEAR
Engineering, Inc.
5040 New Centre Drim, Suite D 250 North Church St.
Wilmington, N.C. 28403 Spartanburg, SC 29306
TEL [phone] TEL (864) 59E8801
FAX [phone] FAX (864) 585$802
www.capefeareng.com
ROW BOAT ROW
SUBDIVISION
5W8 980434 Mod
1 STORM WATER MANAGEMENT,
'' m "i�' SEDIMENTATION * EROSION
��CONTROL PLAN
L RE C E 1 V E
PROJECT NUMBER SHEET NUMBER
OCTO2 2000 300-07 SWEC- I
PROJ III DWQ�
-�_Y`lbo
3.1 moo

TABLE FOR TEST WELL INFORMATION
TEST
WELL
TOP OF CASING (ms0
REFERENCE ELEVATION
GROUND WATER ELEVATION (msl)
1
9.04
0.79
1.24
1.08
2
9.63
0.82
2.43
1.14
5
9.32
1.55
DATE OF READING
4/01/97
G/05/97
7l15/97
TIME OF READING
3:00 PM
11 1 :05 A
4:30 PM
TIME OF HI -TIDE (1)
2: 15 PM
8:53 AM
4:55 PM
(1) TIME OF HIGH -TIDE TAKEN ON DAY OF READING
I
MEAN HIGH Wkft
2JANUARY.9' N.G.V.D. J , 49
1
-
TABLE FOR BORE HOLE INFORMATION 75' BACI(FROM 98 MHW
i ��� -------- -
BORE IXISTING GROUND "CAPILLARY FRINGE N
I -- - - - -
I.D. ELEVATION (m51) ELEVATION (m51) 1 \STABLE LINE OF VEGETATION-
B-I 5.7 0.
B-2 6.0 0.5 13 1 1
�-
B-3 5.8 0.8 I - - -LL
B-4 5.9 1.4 TEST WEF --
I
B-5 6.8 0.8 1 ® I I I I; I r _-_---- �-
B-6 6.3 0.a I I I I I I I I I I I ; (- -- -- -�
B-8 4.5 0.3 I I 220 1 1 218 1 1 21IS 1 1 214 1 1212 1 1 210 1 1 1 I r
(- -I
13-9 1 1.6 0.1 . I 1; 1 I � � 1 1 1 - -- _--I 1 ---III I III III
B 10 5.8 1.3 J 208
- - L 20GI II
I F-
A-7 �I
B-11 5.7 1.2-----IZ_J L-J I----1L-J L_SF---� L_J L_J F----1 L__J I. 1 204 I 202 I I200
5-13 6.2 0.7 _ J- _ 1 -I
B- 14 7.1 1.1 810
1 - --
13-15 7.2 1.5E-J8-16 7.2 1.7j�'�B-17 7.5 1.5I - Jf217� 1 r215ZL-I-f213� 1 F21 IL7-I-f2097 1 r207��--,I ' �� LL_L --
I-1- ---- ®III- 11 I I f III
NOTE: CAPILLARY FRINGE IS THE LAYER OF 501L 1 I 219 1 I 1 1 I I- 1� I I I I �I I I_- - _, F- _ d
L _ _ Row Boat Ro
IMMEDIATELY ABOVE THE GROUND WATER TABLE � 1 L - - - - - � - t- - -�`+ - - - _
- - -
B-I ------ I -� I -- I B- -- 1 -- 1 �^
L J I I I -_ I� I J I� �_ I B-5 B-b
i
° I
I 8-14
I
p
E
a
a
}7 I
g I
8-151
I � I
I I
I I
0
u m m
T WELL-5
I
0
I I /
\ I
I
marsh //y
0
10
sQ G
Lem
012
,. Tn�R A@AIA'�"" �\
E C E I V E
OCT 0 2 2000 D \
\ ' PROJ B DWQ
CAPE FEAR
Engineering, inc.
5040 New Centre Drive, Suite D
Wilmington, N.C. 28403
TEL [phone]
FAX [phone]
[e-mail]
BALD HEAD ISLAND PLANNING
BALD HEAD ISLAND,
NORTH CAROLINA
BORE HOLE � TEST WELL LOG
FOR ROW BOAT ROW AREA
00
PROJECT NUMBER SHEET NUMBER
197219/300_071LOG-1

Is,
GRAPHIC SCALE
30 0 is 30 60 MEAN HIGH WATER
' Vb96� i 2.9' N.G.V.D.
`i S 443643" W S 35-20'13" JANUARY, 1998
\\ \ I I I S 30.13'3" W S 24'53'55" W I I e• 11 _I 11 taa '' W S 4p4,3 ( IN FEET )
\ \\ \ 57.94'� I I III �11� I 1 5 I 54" W 1 inch = 30 ft.
M \\O \ I I I I� I I I I 4.03' I I
\\ \ I s 1 1 159.49' 1 1
\\\ \ \ 53.8b� 7 _
/� \ `
26 9
- ► i 1 I I S 32'30'48" W
now I I muI I I I I I I I 11 1 1
2 _ _ _ ; = --� \ PROJECT BOUNDARY I I'
BASIN- ---------__-____ \\ AREA= 4.9 ACRES _
-
//LTIV11T 75' BA6K FgOM 98 MHW
.CD`'4 ,\'✓ / I I �TUR13 CE \ C01btIM� J IAREA ' z
I I I AREA = 1 .67 ACRES I \ I -
ltc
^ I I I I ..is i I Mon -I - /-tl - I - - I- - \ / /i \.l I / �i _ _ ` _ - \ DRAINAGE BASIN / - - - s -
A - 1 I I I I 1 I / -- �_ -
J
� � ) \ OUNDARY (TYP)/ �
I
y %./.'.'.'.'.'.'.'.'.'....•.:._ ........ 1. 1 I I /i 1 I 1 Itt� I 1 I 1 �' EASE NAGS- �� I �- - - - - - - - - - - - - -.' w
cti--.:.:1'._' .••�.i' F- .ram -.•.� / I I r I I r MENT
�� ,.,..T -- ; ,. -�:�' ;•_. ,.\;.'_'-'!z .�' �......90 ha•_'�_' "..-.\--_......:.11:'.'.' �NFI ' - - - F
(ILI
: -
y FIL I�PvT/O�] Ai E S -2 1111 \\ \ / 1 ti Q9 ' ' ' '•'...'�.... - ...':, ' '`":•::'�::':'..... 0 J
.... / \ BASIN-2 11 /i/ / \ \\ 1. '.'....'. �8. �....r .. �..........
i �/ 1\ ` �`- aZr \ 1111\ll O1='--
\LNFI TRATION SVyALE W-3 7. g ' T _
CT
(o-- ---� S \ -
r1nIII �/ \` I\__;, �� (� v; \ 0: a --� z I �'..
_..
16 DRAINAGE'✓ \ \\ c0 S9 _ / 1
'�ASEME - I ( \ N / \ \\ \\\ \ y N �' 1 c� P \ _ \ \ 0yj �? O J F ��
CD
rn / e5 �\� I " �b -0
1 I 1220 \ 1 \ 21` -�`2 1 2 14 \ -1 -- I .\\ / \ \ z, O. 5
1 1� O �O_
1 I I ) ( l r. \ - i 2 - \ �r- / \ - 12-\ \I I \ - ( / N i
t • � .... • . `� .... 4d - �:'... ...... oQ.. ...•�....'. •...\'.: •6d•'0.0'.'.'. t.'.'.' .'. \l.'_ •� �'�.'.'I-'I'•'•'•'•'•'• 6EZ- .. - �'• :r.�Q •OfJ ,..... .'.,..... � .):.:.:. f... . "� - - _ -
.:. I'.' ' y .'. '.'.'.-. �Z. ...�.•. ,�., . .\. j ,4 .'� '. gyp. 1 l -> / ✓ - Q
/ - \
N /
- - -
1'1..
o ...\..:. .. r...:. 1... .. \ 'rti•-�•-rr-ir ..'%om �;.I.1....r.• ...... . ' . . .
..
- .o'.`
........ ...'UU.••o-. ..... ••''- -- - - - - - - D:a© .'.soa. .:.
..:...'...: 2 17 - 2 1 5,/ ..:d..'..'. _2 /(3 209 ,' ;
' -----
207 \ 2..o .\ �.' a
_ 12 TT_�195'.0C)'.... .
\ \ EASEMENT IT- 14 -5 =1 _ - - _ _ I I _ - ti IT-6 _ =� _
Y
\ � '.�,._ _ - - 4�-1-0 IT-4 � ��� •�� •��9 �• loL•J:.. ...-;.-�.'. _.:,:.. ••.�..
' L!1_=-- fire - _ t I7_ �I5_-� _ - f. _ -_a
_ T
fT
3(Y 5ETBAd: FO�� _ ' •- :: - . - t� t - 1 c�: • . • \ L - _ , • efo. . ' . _ , • - T=
ENGR. SOLUTLONS y J - - .- - . • .OD �c/-- C31 • \ - - _ l (}� - ' '. C
r I I 11 T� I I I -I? i F• - ,' I(jl1• I I r' I t 'I • I I I I • ,'I, I I I I' I I 11,' '. 1.'I.'� 1 1� I 1 l �'•
_ LD .. O• ID / o... Oa . N 'oQg cam- AMENITY AREA W
6-d:00, , , . _....'.'.'.'.'.6'0.'CiO::'.0.� •'ac.. .6D'00 :':'.'.'.'.' '.'.'..'.'.'6O;Ob.:'.. :...... .60:0p- 6D.0.0
• �• ..i'°1�1'.'••1•'4 ••I•I•f '-I-J' .."I'1�-••I•I •••I•I ."'f •-� I•�•• I "�- "' ' •' '•• "" I-' � •- �-'•-� "�� �� �' �- � � •� "' �I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I IY�I
N �' '�'�'`'�
PERMANENT SEEDING SCHEDULE SITE INFORMATION I'��3° {1 I 4.�rywl�. Syt%e.w• BALD HEAD ISLAND MARINA
SEEDING MIXTURE RATE (LBVICRE) Lk
�O �
AMERICAN BEACH GRASS SPRIG GRATE INLET (SC WATERS)
I . TOTAL PROJECT AREA 15 4.9 ACRES. TOTAL IMPERVIOUS AREA 15 1.41 ACRES.
SEEDING DATE5: NOV. thru JUNE 2. TOTAL AREA OF DISTURBED LAND SHOWN IS 1.87 ACRE5.
SEA OAT5 SPRIG 7. 5' MSL- 30"HDPE (PERFORATED) 15'
SEEDING DATES: MARCH thru JUNE 3. THI5 PROJECT IS CONSIDERED HIGH DENSITY DEVELOPMENT WITH AN
WEEPING LOVE GRA55 100 6.5' MSL-
5EEDING DATE5: APRIL thru JUNE IMPERVIOUS RATIO OF 28.8%.
SOIL ADMENDMENT5: FOLLOW RECOMMENDATIONS OF LANDSCAPE ARCHITECT 4. THE SITE DRAINS TO SA WATERS (CAPE FEAR RIVER) AND SC WATERS (E)HI30" 30" CAP
MARINA). 4.0' MSL - %%=j
SEEDING MIXTURE RATE (LBV>CRE) 6" LAYER OF #57
RUDBACKIA AMPLEXICAULI5 5. MEAN HIGH WATER IS 2.0 MSL. GEOTEXTILE GEOTEXTILE WASHED STONE40
CLASPING CONEFLOWER 3 NOTES:
G. NEWHA(J +k FRIPP SANDS ARE THE PREDOMINANT 501E TYPE WITH INFILTRATION
RUDBECKIA HIRTA RATE APPROX. 20"/HR. 1. All lmpervlou5 area to sheet flow into catch ba5m5.
---------- 2. Elbow or capped tee to be used at inlet.
GLORIOSA DAISY 2 7. THERE ARE NO OFF5ITE DRAINAGE AREA5. 30., 3. Mlrafl 140N ore ulvalent eotextde to be used to j EXISTING TYPICAL 18" FRAME q 9
AND GRATE wrap perforated pipe. I
COREOPSIS TINCTORIA ROW BOAT ROWI
DWARF RED PLAINS COREOP515 2 8. PREDEVELOPMENT RUNOFF COEFFICIENT 15 0.15. ---------- 4. 18" 0 Vulcan model V-3700 or equivalent ring and
grate.
COREOP515 TINCTORIA 9. DEVELOPED RUNOFF COEFFICIENT 15 0.45. PLAN VIEW CONSTRUCTION ENTRANCE DETAIL
CALLIOPLI5 2 10. INFILTRATION5WALES, INFILTRATION TRENCHES, AND BE5TMANAGEMENT TYPICAL INFILTRATION GRATE ELBOW AND CLEAN OUT nts NOTE. �RM
�p
CORPOPSIS LANCEOIATA PRACTICES ARE THE PRIMARY CONTROLS FOR STORMWATER MANAGEMENT. ONR�EDIA�LOM
TICK5EED 10 1 1. ALL RUNOFF FROM ALL IMPERVIOUS SURFACE TO BE DIVERTED TO INFILTRATION
GAILLARDIA PULCHELLA SWALES AND INFILTRATION TRENCHES.
INDIAN BLANKET 10 ww EASEMENT .a
12. THERE ARE NO REGULATED WETLANDS ON THI5 SITE. �u�} WIDTH
EROGRO5TI5 CURVULA zu5 zu5
13. BALD HEAD ISLAND DEVELOPMENT 15 THE OWNER AND WILL BE THE FINANCIAL
WEEPING LOVE GRASS 50 RESPONSIBLE PART`( FOR LAND DISTURBANCE.
U U
SEEDING DATES: MARCH thru MAY, 5EPT. thru DEC. GRASS 5WALE BOTTOM EXISTING a
temp. storage
LOT AREA COVERAGE TABLE AND 51DE5LOPE5 _CGRADE`
200 - 2500 5F
208 - 2500 5F
2 13 - 2500 5F
215 - 2500 517
202 - 2500 5F
209 - 2500 5F
214 - 2500 5F
219 - 1000 5F
204 - 2500 5F
210 - 2500 SF
2 1 5 - 2500 SF
220 - 2500 SF
20G - 2500 517
211 - 2500 5F
2 1 G - 2500 5F
AMENITY AREA = 500 5F
207 - 2500 5F
21 2 - 2500 5F
2 17 - 2500 5F
TOTAL 44,000 5F
DRAINAGE BA51N INFORMATION TABLE
BA51N
AREA (acre)
IMPERVIOU5 AREA (acre
GREEN AREA (acre)
%IMPERVIOUS
5WALE
RUNOFF RATE (CF5)
VEL0CITY(FP5)
1
1.15
0.55
O.GO
47.6
TRENCHE5
3.70
O
2
0.91
0.32
0.59
35.2
5W-2
2.47
0
3
0,70
0.32
0.38
45.7
5W-3
2.27
0
4
O.GS
0.22
0.43
33.5
5W-4
1.72
0
1.22
O
1.22
O
SHEETFLOW
1.15
0
Fr
0.27
1 0
1 0.27
1 O
5HEETFLOW
0.26
0
CAPE FEAR RIVER
(SA WATERS)
DEPTH
BOTTOM -perm, pool
WIDTH
TYPICAL INFILTRATION 5WALE DETAIL
NOT TO SCALE
INFILTRATION
5WALE
TABLE
DRAINAGE
BA51N
5WALE
(AC)
DRAINAGE
DR
BASIN
(FT)
LENGTH
(FT)
DEPTH
(FT) (FT)
EASEMENT BOTTOM
WIDTH WIDTH
(MSL)
PERMANENT
POOL
I(C.F.)
IMPERVIOUS
ALLOWED
REQUIRED
STORAGE
PROVIDED
STORAGE
TEMPORARY
5TORAGE
(HP)
DRAWDOWN
2
5W-2
0.91
250
1.0
17 5.0
9.0
13939
18 I G
2000
10.0
0.57
3
5W-3
0.70
240
1.0
17 5.0
7.0
13939
1759
1920
5.0
0.88
4
5W-4
O.G5
I GO
1.0
17 5.0
7.5
9583
1 255
1 280
6.5
0.94
SEQUENCE OF CONSTRUCTION
1. P12ECON5TRUCTION CONFERENCE TO BE HELD PRIOR TO
BEGINNING CONSTRUCTION.
2. DETERMINE AND MARK LIMITS OF DISTURBANCE.
3. CONSTRUCT INFILTRATION 5WALE5 FOR 5TORMWATER.
4. TOP501L REMOVAL AND/OR STORAGE.
5. PLACE 51LT FENCE A5 SHOWN ON PLAN5 A5 DIRECTED BY THE
ENGINEER, OR A5 REQUIRED.
G. BEGIN MA55 GRADING INCLUDING ROADWAY PREPARATION.
IN5PECT AND MAINTAIN ALL EROSION CONTROL DEVICES EVERY
7 DAYS AND AFTER EACH SIGNIFICANT RAINFALL EVENT (0.5"
OR GREATER).
7. PLACE TEMPORARY SEEDING ON ANY DISTURBED AREAS THAT
ARE TO BE LEFT IDLE FOR MORE THAN 14 DAYS.
8. PERMANENT GPA55 SHALL BE INSTALLED FOR ALL AREA5 AT
INAL GRADE AND IN SEASON. FERTILIZE, RESEED, AND WATER
A5-FTQU.IRED TO ESTABLISH A VIGOROUS STAND OF GRASS.
9. AFTER CO N OF CONSTRUCTION AND THE SITE IS
STABILIZED, REMOVrALL ACCUMULATED SEDIMENT FROM
TRAPPING DEVICES AND SPREAD EVENLY ACROSS THE SITE.
10. G-A55 THESE AREAS IMMEDIATELY AND REMOVE ALL
TLMOP.ARYTRAPPING DEVICES.
NETTING
OAK POST STAKES (2'X 2' NOMINAL)
SHALL BE SPACED AT W-0' [IN CENTER,
X
f
FILTER FABRIC
(100 - 120 LBS. ON GRAB
Cu ENSIL STRENGTH).
I ALONG LINE OF,POSTS)H
TH
NOTE,
REMOVE EROSION FROM SILT FENCE WHEN
IT RISES TO ONE HALF HEIGHT OF FENCE
AND REPLACE WHERE EROSION HAS OCCURRED.
9"& SILT FENCE DETAIL
CONSTRUCT ON
ENTRANCE -
ROW boat ROW
RIVERSIDE
r
CONC.4.6'x .5' PLANTERS(LOCATION VARYS) 3' CONIC.
EWAL ID$ EWAIJC
18' ASPHALT 14' AT PLANTER )
1.5' THK. AC ON 6" ABC
HARBORSIDE
ROAD SECTION - 2
STA 12+75 TO 16+50 f
RIVERSIDE
30' ROW
4' CONC. 1. ' CONIC. BAND
IDEWAL
1/a•n'
16' ASPHALT
1.0' CONIC. BA
HARBORSIDE
ROAD SECTIONAT
STA 10+00 TO 11+60
APPROVED R
E C E 1 V ED
0I I CMWUNA
r 1AGEVENT COUNNOW MAR 0 7 2W
E...:ION OF WATER QUALITY
LECEN>
LEGEND
-a--b-�---
SILT FENCE
PROPOSED INFILTRATION SWALE
LIMIT OF DISTURBANCE
( c, 000
PROPOSED CONSTRUCTION ENTRANCE
ooOcOco
- 31
PROPOSED COUTOUR
3 __
/ EXISTING COUTOUR
f PROPOSED SPOT ELEVATION
PROPOSED RUNOFF DIRECTON
BASIN BOUNDARY
8
ADD INFILTRATION TRENCH 02/29/00
7
REVISED 5WALE 5W-1 02/ 1 5/00
G
REVISED 5WALE5 02/07/00
5
REVISED ROAD 5ECTION5 01/04/00
4
REVISED DRAINAGE iF DENSITY 1
2/27/00
3
REVISED ROAD SECTION
9/ 14/98
2
GENERAL REVISIONS
5/2G/98
I
GENERAL REVISIONS
5/ 1 2/98
R#'
DESCRIPTIOiJ
REV.BY_
DATE
REVISIONS
BALD HEAD ISLAND LIMITED, INC.
BALD HEAD ISLAND, NC.
Engineering,
5040 New Contra.
Wilmington,:-0
790-8564
FAX (910) 790,8583
[e-mail]
:
S, MCAREE
PROJECT
NUMBER :
300-07
DESIGN : P.DAVIS
CHECK :
RDAVIS
SCALE :
1'=30'
APPROVED :
P.DAVIS
DATE :
10 NOV 98
Pl \300\ 300-07\DWG\300-07-S
W EC-1_R I.D W G
ROW BOAT ROW
SUBDIVISION
q5TORM WATER MANAGEMENT,
SEDIMENTATION * EROSION
CONTROL PLAN
PROJECT NUMBER SHEET NUMBER
300-07 5WEC-
Nlormwater Permit No 116(LL11Lv ,..q in Do

I TABLE FOR TEST WELL INFORMATION
TE5T
WELL
TOP OF CA51NG (m51)
REFERENCE ELEVATION
GROUND WATER ELEVATION (m51)
1
9.04
0.79
1.24
1.08
2
9.G3
0.52
2.43
1.14
5
9.32
1.55
DATE OF READING
4/01 /97
6/05/97
7/ 1 5/97
TIME OF READING
3:00 PM
1 1 :05 A
4:30 PM
TIME OF HI -TIDE (1)
2: 1 5 PM
8:53 AM
4:58 PM
(1) TIME OF HIGH -TIDE TAKEN ON DAY OF READING
I TABLE FOR BORE HOLE INFORMATION
BORE
I.D.
EX15TING GROUND
ELEVATION (m51)
"CAPILLARY FRINGE
ELEVATION (m51)
13-1
5.7
0.2
5-2
G.0
0.5
13-3
5.8
0.8
13-4
1 5.9
1.4
B-5
G.8
0.8
B-G
G.3
0.8
13-8
4.5
0.3
13-9
II.G
0.1
8-10
5.8
1.3
B-II
5.7
1.2
13-13
G.2
0.7
8-14
7.1
1.1
15-15
7.5
1.5
B-1G
7.2
1.7
8-17
7.5
1.5
" NOTE: CAPILLARY FRINGE 15 THE LAYER OF SOIL
IMMEDIATELY ABOVE THE GROUND WATER TABLE
rl
50 0 50 100
1 INCH = 50
MEAN HIGH WATER
2.9' N.G.V.D.
IANUARY, 1998
\ 75' BACK FROM 98 MHW
i
STABLE LINE OF VEGETATION-
B 11 --- -- - �_ �f-
TE5T WELL -
1 220 1 1 218 1 121G 1 1 214 1 1212 1 1 210 1 1 1 r 1
1208 1' 1 2
----J i- - I-- -�--- ' L---� L_06- I I
�I-IJ 1I 1 204 I 202 1 200�'
B 10 r I
-�-moo- 1 I 1 (p
- _===I R- L--JLffE5TJ LL-I
I - - Ff 17� �215ZL--J�213� �21 ZL--AFW91 F207L1-� ' --�-1-
�I
I I 219 1 1 1 1 I el I
o Row Boat Row
IL----� -- --
-� � B-5 B-6
O O O �
�B- 14
- 13 -
a
-- -
a
a
i
B-
� 15�
J
r -- r
O
LEMEND
® TE5T WELL
B-6 BORING
2q•'•'¢ESS/p
SEAL s
2M
BALD HEAD ISLAND LIMITED, INC.
BALD HEAD MAND N.G
PEngineering, I R
•0
FAX (910) •f
[e-mail]
BALD HEAD ISLAND PLANNING
BALD HEAD ISLAND,
NORTH CAROLINA
BORE HOLE * TEST WELL LOG
FOR ROW BOAT ROW AREA
PROJECT NUMBER SHEET NUMBER
C97219/300-07 1 LOG- I

LEGEND
S.F. SILT FENCE
CURB INLET W\SILT FENCE
PROPOSED SANITARY SEWER LINES
31 PROPOSED COUTOUR
EXISTING COUTOUR
�9 PROPOSED SPOT ELEVATION
i
EXISTING SPOT ELEVATION '
PROPOSED SWALE WITH DIR`11gN FFl, rs
PROPOSED RUNOFF DIREQ�ON/
30' VEGETATIVE FILTER
NO IMPERVIOUS
SURFACES PERMITTED
SF
\51LT FENCE (TY,P�
PERMANENT SEEDLING SCHEDULE
SEEDING MIXTURE RATE (LB\ACRE)
AMERICAN BEACH GRASS SPRIG
SEEDING DATES: NOV. thru JUNE
SEA OATS SPRIG
SEEDING DATES: MARCH thru JUNE
WEEPING LOVE GPA55 100
SEEDING DATES: APRIL thru JUNE
SOIL ADMENDMENT5: FOLLOW RECOMMENDATIONS OF SOIL TEST
OR APPLY 2000L13\ACRE OF GROUND AGRICULTURAL LIMESTONE
AND I OOOLBWCRE OF 1 0-10-10 FERTILIZER.
MULCH: APPLY 40001-B\ACRE OF STRAW. ANCHOR STRAW WITH
ASPHALT, NETTING OR MULCH ANCHORING TOOL.
HYDRO5EEDING MAY BE UTILIZED IN LIEU OF CONVENTIONAL SEEDING
METHODS.
TEMPORARY SEEDING SCHEDULE
SEEDING MIXTURE RATE (LB\ACRE)
RYE 120
ANNUALLE5PEDEZA 50
SEEDING DATES: JAN. I thru MAY I
SEEDING MIXTURE RATE (LB\ACRE)
GERMAN MILLET 50
SEEDING DATES: MAY I thru AUGUST 15
SOIL ADMENDMENT5: FOLLOW RECOMMENDATIONS OF SOIL TEST
OR APPLY 20001-13WCRE OF GROUND AGRICULTURAL LIMESTONE
AND I OOOLB\ACRE OF 10-1 0-10 FERTILIZER.
MULCH: APPLY 40001-13\ACRE OF STRAW. ANCHOR STRAW WITH
ASPHALT, NETTING OR MULCH ANCHORING TOOL.
HYDROSEEDING MAY BE UTILIZED IN LIEU OF CONVENTIONAL SEEDING
METHODS.
0
a
ItL
SF
a
2 13
SF
CAPE FEAR RIV
(5A WATERS)
3
0
GROIN
10
207
W
PROJECT BOUNDARY
AREA= 4.9 ACRES
2
J771
MEAN HIGH WATER
2.9' N.G.V.D.
JANUARY, 1998
SF SF SF SF SF SF SF —SF
P�'
30' VEGETATIVE FILTER
NO IMPERVIOUS BALD HEAD 15LAND MARINA
SURFACES PERMITTED LOT AREA COVERAGE TABLE
NETTING
OAK POST STAKES (2'X 2' NOMINAL)
SHALL BE SPACED AT 6'-0' ON CENTER.
FILTER FABRIC
(100 - 120 LBS, ON GRAB
TENSIL STRENGTH).
TOE IN (4' X 4' TRENCH
ALONG LINE OF POSTS)
U NOTE
REMOVE EROSION FROM SILT FENCE WHEN
IT RISES TO ONE HALF HEIGHT OF FENCE
AND REPLACE WHERE EROSION HAS OCCURRED,
SILT FENCE DETAIL
(SC WATERS)
200 - 22005F
SITE INFORMATION
202 - 25005E
1.
TOTAL PROJECT AREA IS 4.9 ACRES. TOTAL IMPERVIOUS AREA IS 1.2 ACRES.
204 - 25005F
THIS PROJECT IS CONSIDERED LOW DENSITY DEVELOPMENT WITH AN IMPERVIOUS
20G - 18005E
RATIO OF 24%. THE SITE DRAINS TO SC WATERS (CAPE FEAR RIVER).
207 - 18005F
2.
NEWHAN * FRIPP SAND5 ARE THE PREDOMINATE SOIL TYPE. THERE ARE
NO OFFSITE DRAINAGE AREAS.
208 - 2500SF
3.
PREDEVELOPED RUNOFF COEFICIENT IS 0. 10, DEVELOPED
209 - 18005F
COMPOSITE RUNOFF COEFFICIENT IS 0.30
2 I O - 2200SF
4.
GRASSED SWALES AND BEST MANAGEMENT PRACTICES
9
ARE THE PRIMARY CONTROLS FOR 5TORMWATER
21 1 - 18005E
5.
MANAGEMENT.
GRASSED OR VEGATATED SWALES WILL BE UTILIZED AT
2 12 - 22005E
ALL CONCENTRATED RUNOFF OUTLETS.
2 1 3 - 18005E
G.
TOTAL PROJECT AREA 15 4.9 ACRES.
214 - 22005E
7.
BALD HEAD ISLAND DEVELOPMENT IS THE OWNER AND
2 1 5 - 18005F
WILL BE THE FINANCIAL RESPONSIBLE PARTY FOR LAND DISTURBANCE.
2 1 G - 22005E
8.
9.
TOTAL AREA OF DISTURBED LAND IS I .G7 ACRES.
THERE ARE NO REGULATED WETLAND ON TH15 SITE.
217 - 18005F
0
�(
218 - 25005F
219 - 3005F
lam\ 1
- 2500SF
`�
ARE
AREA EAST OF LOTS
III II II
IIIWII'
IJ��IIIIIII!1i;;
200, 202 * 204 - 1 OOO5F
Riiilllllil�!
nlipun •an- alllluR
4
REVISED LOT AREA COVERAGE TABLE
3
REVISED ROAD SECTION
9/ 14/98
2
GENERAL REVISIONS
5/2G/98
p�V. NO.
t7A11
ROW BOAT ROW SUBDIVISION
STORM WATER MANAGEMENT PLAN
BALD HEAD ISLAND, NC
`tEiSN CAROL/,#
4 SEAL
20563 ;
SITE
ci
s
4j
a r`s
d�
CK%-M uc-
awc�
OVERLAY
IDSIRICT �
d'
T
VICINITY MAP NOT TO SCALE
30' ROW
3' CONC.
SIDEWALK PARKING
V CONC.
SIDEWALK
14' ASPHALT
BST-12
21' STONE
(ABC-6" Deep)
ROAD SECTION - 1
110
GRAPHIC SCALE
( IN FEET )
I inch = 30 ft
Ar 'VED �
NORTH CP �NVIROMMENTAL E C E I IJ E I'll
MANI. f COMMISSION / U I,
DIVISiUN UF�WATER �•z DEC 13 1999
_
am Permit No. (u �� q mop D ISM
PROJr
1P5040 New Centre Dr., Suite DEngineering., Inc.
Wilmington, e .e
Date:
APRIL 1998
Scale:
1"=30'
Drawn:
PGD
Checked:
PGD
Project No.
300-07
120
F71
4
Of 6
M