SW8980504_Approved Plans_20100614

ter,
STORMWATER PLAN RENEWAL AND MODI fICATION
AND ERO5ION CONTROL PLAN
F O R
OWNER
TOWN OF OCEAN ISLE BEACH
0 CEAN 15LE c) EAcia.....1
SURVEYOR
3RD AND 2[ Th STREET EXTENSION ,
TOMPKINS
_ ,
LAND
SURVEYING
P.A.
2161 ASH LITTLE RIVER ROAD NW
T0\/v'N
ASH, NORTHCAROLINA 25420
(
COUNTY
F bRUNSWICK
UTILITY COMPANIES
NORTh
BRUNSWICK ELCTRIC ( LCTRIC) (910) 754-43 I I
(9 10) 754-439I CAROLINA
ATLANTIC TELEPh1ONE (TELEPHONE CABLE)
TOWN OF OCEAN ISLE BEACH (WATER, SEWER) (9 I C ) 5 79-2 166 ..
2003 ,.
REVISED
MAKCI 120I0‘010101. fa
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APRIL
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40006.00110Y
SHEET INDEX
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C-3 ROADWAY PLAN AND PROFILE LE WITHOUT FUTU RE DRIVEWAYS
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C 4 ROADWAY PLAN AND PROFILE WlTh FUTURE D��l VEWAYS �; fl: i 4 14 x, L,,. �a- _ a ' ? � # � , ' , . i w'
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C-5 ROADWAY PLAN AND PROFILE WITh FUTURE D��IVEWAYS N > i� - =¢3 _ .�,eq• t-gt �I � M' { � a 4 . .: � T
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C 6 EROSION CONTROL, DRAINAGE AREA, AND DISTURBED AREA MAP — — �'illitla ��� �4 i d1. :,,,tt4 � ,ti..,_ L ,: - � .: : P) ,-
C-7 STORMWATER AND EROSION CONTROL NOTE�� AND DETAILSYE ��r� s �vT {ry�y�y . #11 rilA' '
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re � l Sh1A,LLOTTE, NORTH CAROLINA 28470
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,_Q- EAL�'r'0 FINAL DRAWINGS
VICINITY MAP -��' O.
� 9499 ��
v ` NOT ISSUED FOR
NOT 'TO SCALE =,°,��.r► 0a',`'
/,�//a„M. , \\ CONSTRUCTION

SCALE: I" = 50'
DRAWN BY:TMM
CHECKED BY: DMC
ISSUED DATE: 5/1 1/09
GENERAL NOTES:
I . SURVEY DATA FROM TOMPKINS LAND SURVEYING P.A.,"SURVEY FOR OCEAN
ISLE BEACHOF TOPOGRAPHIC AND LOCATION OF THE 3rd STREET AREA,
SHALLOTTE TWP., BRUNSWICK COUNTY, NC. DATED FEB, 19, 2009"
6
2. FOR THE PURPOSE OF CLARITY, WATER AND SEWER SERVICE LINES ARE NOT -- 0 o
SHOWN ON THE PLAN OR PROFILE VIEWS. WATER METERS AND SEWER ; w
CLEANOUTS, HOWEVER, ARE SHOWN AND SERVE THE PURPOSE OF ALERTING THE o o
CONTRACTOR OF THE PRESENCE OF WATER AND SEWER SERVICE LINES. z o / J I `, z o
HOUSE EXISTING PRIOR TO rn — `f —` " /j
3. THE CONTRACTOR IS RESPONSIBLE FOR LOCATING ALL UNDERGROUND rn 73 ` DATE OF ORIGINAL SVt! o __-___, \\-;. \ / ,✓1 / f- - _- --;-----1~f: p`�. ` e - r = fr, ,- _ W I;
-1 \ `' \ PERMIT NO.SW898054 \V> / ,/,`1.- r.,.__,(, s
UTILITIES PRIOR TO DIGGING, WHETHER OR NOT THEY ARE SHOWN ON THE --.\\; ,,�'` _ � `ti \ '='"r_ ./. r. - `- I __ j ; -- 7 '\\ ` `;., --) t '--fp 1`.-.4.i } -,. i `-..,��,- ``� \ .1 f'f� -�".` off - %'/,', ! ` _ \ i I 2i,': !!! f;__ o
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PLANS. UNDERGROUNID UTILITY LOCATIONS, IF SHOWN ON THE PLANS, ARE '`' -_, _ t" ,rn L \ > r r
N T AVAILABLE INFORMATION AND SHOULD BE CONSIDERED W — �_` ^ - %- r r f I # I j' ' I LL, o
BASED UPON THE BEST LAB o. 1 �..� ` _._.-. f ._..,� _. J- - ---. �-."`..,.. ''- G '� ,� �\'"'�."- ./' '-' ! __- _ '!�, '� .. ,, } I -i- s r.i r� /� Q In
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ONLY AS APPROXIMATE. 1 - -
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4. ABSOLUTELY NO WORK SHALL BE PERFORMED ON PRIVATE PROPERTY - __ ,, 7°0�L �O / y - ,3 - �`�\� 1"" - - v z
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WITHOUT WRITTEN AUTHORIZATION FROM THE PROPERTY OWNER. R� _- - `� RAI 7 o--______ -- _--n- - __ - —F--- - - _ �: :._ „, - 0
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k �- J5. THE WORK SHALL BE ARRANGED IN A MANNER THAT WILL CAUSE A MINIMUM `- w--� r °C \ a \aOF DISTURBANCE TO VEHICULAR AND PEDESTRIAN TRAFFIC. ADEQUATE INGRESS1`\ I
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AND EGRESS TO BOTH PRIVATE AND PUBLIC PROPERTY SHALL BE PROVIDED BY r .. -14+00 , IS+00 -.-_ -..- _.16+00 _.._. 17 .. __ ��,, Io+ao ! Il+oo d3 :. I .. ._ - - ,_.. +oo �' Ie+oo Is+oo zQ:kn zI o0
THE CONTRACTOR DURING ALL STAGES OF CONSTRUCTION. WITHOUT WRITTEN I ' , N ----',--` - HOZ
APPROVAL FROM THE TOWN, EXISTING SERVICES SHALL NOT BE INTERRUPTED BY \\ .- _=`-___ =T _ i ___ __. _-.___
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THE CONSTRUCTION WORK. ANY PAVED AREAS UTILIZING OPEN-CUT AND PATCH / '�"" \ �^" - - - ill Q IL
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SHALL BE REPAIRED THE SAME DAY AS CONSTRUCTION OCCOURS. ABSOLUTELY ( -- = ��� ._ �? r-_, !F �_ ��� __ _�_��,_ �_ , _ - '' U -I Q
NO OPEN TRENCHES SHALL BE LEFT OVERNIGHT. ?.re a - o 1j \ • \ v T ~ �.r I- O Z
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6. THE CONTRACTOR SHALL CONTACT THE TOWN OF OCEAN ISLE BEACH PUBLIC —.__-- / i c \ -- I \ _� (� _ �—
WORKS AND THE ENGINEER A MINIMUM OF FIVE (5) WORKING DAYS PRIOR TO / -` — . ,� � /1: — _ — `Y_ — _ — �' _ 0
THE BEGINNING OF CONSTRUCTION. _ f - --_ ,� ,\-.-.J \ �, _ -: O 0 U
EXISTING i `\ .� N.
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7. THE CONTRACTOR SHALL KEEP THE ENGINEER INFORMED RELATIVE TO THE (EXISTING)
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PROGRESS OF THE CONSTRUCTION. THE ENGINEER SHALL OBSERVE
CONSTRUCTION ACTIVITIES AS REQUIRED TO PROVIDE CONSTRUCTION _ - - ---
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CERTIFICATION TO NCDENR DWQ. _-_.._____. ' O co W O z
8. TRAFFIC CONTROL SHALL BE IN ACCORDANCE WITH SECTION 150 OF THE �_-` U
NCDOT STANDARD SPECIFICATIONS FOR ROADS AND STRUCTURES. r < W U
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WETLAND NOTE: There are no wetlands within project boundary. (� CO ---1
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FINAL DRAWING
C...... I
NOT ISSUED FOR
CONSTRUCTION PROJECT # 090224

SCALE: 5EE DRAWING
SPECIAL NOTE DRAWN BY:TMM
A stormwater permit is being sought for this project based on full development as illustrated on Man Sheets C-4 and CHECKED BY: DMC
C-5. Man Sheets C-2 and C-3 and accompanying calculations are provided to document that the intent of
ISSUED DATE: 5/I I/09
stormwater regulations will also be met for this project based on the existing level of development. This approach is
taken due to the nature of the project components; i.e., the existing roadway constitiues a major part of the project
BUA and "swale dams" and/or driveway headwalls (as development occurs) are needed in the interim to provide for
sufficient storage volume in the swale areas.
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SWALES WILL NOT BE CONSTRUCTED. Q W < O Q
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POTENTIAL FUTURE LOT LINES (TYP.) Q CZ Q > Q W
S-I STORMWATER/ INFILTRATION ROADWAY PLAN I WITHOUT FUTURE DRIVES o � W 2 z in
SWALE WITH ID ON SOUTHILI
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SWALE WITH ID ON NORTH o
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SIDE OF ROAD = Q Z O W W
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20 N r
N! N WATER LEVEL�AXIMUM O MAXIMUM ELEVATION OF
C2 W N STORAGE (lYP!) kp CENTERLINE OF SWAM
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18 - ___ O VEWAY HEADWALLS- I it CO
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SOUTh SIDE ROADWAY PROFILE I WITHOUT FUTURE DRIVES
o HORIZONTAL SCALE: I " = 50' -a'
VERTICAL SCALE: I" = 5' 0
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9+50 10+00 • 10+50 11+00 11+50 12+00 12+50 13+00 13+50 14+00 'I4-50 15+00 15+50 16+00 16+50 17+00 17+50 18+00 18+50 19+00 19+50 20+00 20+50 21+00 ,
7 22
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O1 WATER LEVEL MAXIMUM
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STORAGE (FYP.)I I
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CENTERLINE -- - --•.--•-N ---
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OF SWAM 12
12— --
MINIMUM ELEVATION OF TOP OF _----_ I-_-_-_-_-_-_-_-_---_------------- -'- -'-'-'-- -
DRIVEWAY HEADWALLS
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10 - I - I 11,7
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8 - - R
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949 V $
NORTh SIDE ROADWAY PROFILE I WIThOUT FUTURE DRIVES ® � ~�
�. ir'�'At0 �i �,.
HORIZONTAL SCALE: I " = 50' i! l:
VERTICAL SCALE: I" = 5'
FINAL DRAWING C. 2
NOT ISSUED FOR
CONSTRUCTION PROJECT # 090224

SCALE: SEE DRAWING
DRAWN BY:TMM
SPECIAL NOTE
CHECKED BY: DMC
` . A stormwater permit is being sought for this project based on full development as illustrated on Plan Sheets C-4 and
,
C-5. Plan Sheets C-2 and C-3 and accompanying calculations are provided to document that the intent of ISSUED DATE: 5/I I/09
N stormwater regulations will also be met for this project based on the existing level of development. This approach is
taken due to the nature of the project components; i-e., the existing roadway constitiues a major part of the project
SWALE DAM AND/OR
�, BUA and "Swale dams" and/or driveway headwalls (as development occurs) are needed in the interim to provide for
a� DRIVEWAY HEADWALL (JYP.) °' sufficient storage volume In the Swale areas.
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SHADED AREA REPRESENTS EXISTING YARD OR - �`, � �4. Q— LL! O
LEGEND SIDE ROAD WHERE STORMWATER INFILTRATION . . I \ -..-F- _ AO- C) CO H _
SWALES WILL NOT BE CONSTRUCTED. v,6 canes = '� -;i �- � Z U r W Q
S-7 STORMWATER/ INFILTRATION ROADWAY PLAN 2 WITHOUT FUTURE DRIVES / . s :,. ;; gig Z
SWALE WITH ID ON SOUTH I " = .., W
SCALE: 50 a N:M a- I—SIDE OF ROAD bl6'1 / co W
r� i O J —1
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SWALE WITH ID ON NORTH s ) (n— Z W Z
SIDE OF ROAD bps`'
Q
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ri ill(41s 2 Z O
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34+00 34+50 35+00
22
22 I
20 — --- - ----- -- ------ --- W E
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MINIMUM ELEVATION OF TOP OF — O — -- 18 W
CENTERLINE OF SWALE DRIVEWAY HEADWALLS O�
-- -- — — EXISTING ROADW•Y C/L
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4-1
SOUTH SIDE ROADWAY PROFILE 2 WITHOUT FUTURE DRIVES E m
HORIZONTAL SCALE: I " = 50' 0
VERTICAL SCALE: I " = 5' 0
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22
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MINIMUM E_EVATION OF TOP OF I =
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16 . -- _ _ - EXISTING ROADWAY GL 0
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WATER LEVEL MAXIMUM h C - i
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31+00 33+00 '1
30+00 32+CO 34+00 35+00 ! 9499 (/
NORTH SIDE ROADWAY PROFILE 2 WITHOUT FUTURE DRIVES '',/,I11111��`\`
HORIZONTAL SCALE: I " = 50'
VERTICAL SCALE: I" = 5' FINAL D RAWI N G
NOT ISSUED FOR
C..... 3
CONSTRUCTION PROJECT #090224

SPECIAL NOTE: The Town of Ocean Isle Beach shall enact an ordinance or ordinances that Include the following SCALE: SEE DRAWING
requirements: DRAWN BY:TMM
CHECKED BY: DMC
I . No surface flow of rainfall runoff from lots contiguous to 3rd and 4th Street Extension shall be allowed to ISSUED DATE: 5/I I/OS
enter the roadway right of way.
FUTURE STREET INTERSECTION WHERE STORMWATER
-1- i
RUNOFF WILL BE TREATED IN THE ROADSIDE
2. All portions of future driveways within the 3rd and 4th Street right-of-way shall be served by an infiltration INFILTRATION SWALE. THE NUMBER VALUE
trench system. lu W POTENTIAL FUTURE DRIVE (TYPICAL) REPRESENTS THE "BUILT-UPON AREA" IN SQUARE FEET. o sz
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FUTURE DRIVEWAYS CONTIGUOUS TO LOTS COVERED UNDER }- D_ Q O
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05 1008). DRIVEWAYS SHADED IN GRAY DESIGNATE THOSE -
THE RESORT" STORMWATER PERMITS (SW8 05 1007 * SW8
FEATURE WHERE STORMWATER RUNOFF WILL BE TREATED IN THE ROADSIDE INFILTRATION SWALE. THEj LU 0
PORTIONS OF FUTURE DRIVEWAYS CONTIGUOUS TO LOTS NOT NUMBER VALUE REPRESENTS THE "BUILT-UPON AREA" IN SQUARE FEET. ( LLW CO Q OL U
COVERED UNDER'THE RESORT" STORMWATER PERMITS. (SEE r, ;
I
THE SPECIAL NOTE ON THIS SHEET.) DRIVEWAYS ON THE NORTH POTENTIAL FUTURE LOT LINES (TYP.) > = 11J Q
SIDE OF 3RD AND 4TH STREET SHALL BE 15' DEEP X 35' WIDE. Q llJ
DRIVEWAYS ON THE SOUTH SIDE OF 3RD AND 4TH STREET ROADWAY PLAN I WITH FUTURE DRIVES Z 0 W Zto
SHALL BE 15 DEEP X 3G WIDE. SCALE: I = 50
lij
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EXISTING DRIVEWAYS AND BRANCH STREET (OXFORD ST.) THAT
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PORTIONS OF EXISTING DRIVEWAYS CONTIGUOUS TO LOTS Z - Z I1J
COVERED UNDER THE RESORT" STORMWATER PERMITS (SW8 0
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SHADED IN GRAY DESIGNATE THOSE PORTIONS OF EXISITNG O O W 0
DRIVEWAYS AND BRANCH STREET CONTIGUOUS TO LOTS NOT o
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m
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IC:(2 P�� !O+OD 10=50 11+00 11+50 12+00 12+50 13+00 13+50 14+00 14+50 15+00 15+50 16+00 16+50 17+00 17+50 18+00 18+50 19+00 19+50 20+00 20+50 21+00
tr)� i
22
PROPOSED STORMWATER/ INFILTRATION SWALE WITH ID ON S-I D - ; I a' N
i �
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CENTERLINE OF SWALE i I WATER LEVEL/MAXIMUM r I
PROPOSED STORMWATER/ INFLITRATION SWALE WITH ID ON N I D
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Lu SOUTH SIDE ROADWAY PROFILE I WITH FUTURE DRIVES f z
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VERTICAL SCALE4-1
: I " = 5' O
I
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22 N 1 I �I 22
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z -' ----------- - -_-- I DRIVEWAY HEADWALLS
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AL ri y
' 9499
NORTH SIDE ROADWAY PROFILE I WITh �
FUTURE DRIVES �/" -�'•• \''s
I10RIZONTAL SCALE: I - 50' itttit0
VERTICAL SCALE: I " = 5'
FINAL DRAWING C_4
NOT ISSUED FOR
CONSTRUCTION PROJECT # 090224

•
0
C SCALE: SEE DRAWING
O
DRAWN BY:TMM
`� uH. I CHECKED BY: DMC
�' ISSUED DATE: 5/1 1/09
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05 1008). DRIVEWAYS SHADED IN GRAY DESIGNATE THOSE NUMBER VALUE REPRESENTS THE 'BUILT-UPON AREA" IN SQUARE FEET. 1 '> — O
0Z
PORTIONS OF FUTURE DRIVEWAYS CONTIGUOUS TO LOTS NOT N 42D� � , a,, S S 37D _ _ Q
COVERED UNDER'THE RESORT" STORMWATER PERMITS. (SEE OZ
THE SPECIAL NOTE ON THIS SHEET.) DRIVEWAYS ON THE NORTH
/ 0
SIDE OF 3RD AND 4TH STREET SHALL BE 15' DEEP X 35' WIDE. N-43D / r0 z 0 F_
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DRIVEWAYS ON THE SOUTH SIDE OF 3RD AND 4TH STREET `�' � '- Q W Z Q z cz
SHALL BE 15' DEEP X 36' WIDE- SWALE DAM AND/OR DRIVEWAY �/ / ;�c, -I }- Q O 0
N44D
ROADWAY PLAN 2 WITh FUTURE DRIVES HEADWALL (TYPICAL) . S-38D I tL
EXISTING DRIVEWAYS AND BRANCH STREET (OXFORD 5T.) THAT b,s 00 / h O Q LV12Z k Z
WILL BE SERVED BY THE ROADSIDE INFILTRATION SWALE SCALE: I " = 50' `- � (�[ ILI CO =
SYSTEM- DRIVEWAYS SHADED IN BLUE DESIGNATE THOSE t` ''
• I�
PORTIONS OF EXISTING DRIVEWAYS CONTIGUOUS TO LOTS �` > = Q LU Q
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�XISr �360 ' -Ha- I2 („)
COVERED UNDER THE RESORT" STORMWATER PERMITS (SW8 (y0 /NG) N-45D-- �A'y Q 0 ILI
05 1007 $ SW8 05 1008). DRIVEWAYS AND BRANCH STREET SPECIAL NOTE: The Town of Ocean Isle Beach shall enact an ordinance or ordinances that include the following US6/ Z 0 W OL Q
SHADED IN GRAY DESIGNATE THOSE PORTIONS OF EXISITNG requirements: VE6 —I CD O J
DRIVEWAYS AND BRANCH STREET CONTIGUOUS TO LOTS NOT
eD
J
COVERED UNDER'THE RESORT" STORMWATER PERMITS. I . No surface flow of rainfall runoff from lots contiguous to 3rd and 4th Street Extension shall be allowed to b 'CX/ J (� Q
EXISTING BRANCH STREETS COVERED UNDER'THE RESORT' < enter the roadway right of way. `` (,ostpAIGiiQ - z Wz
%��%/ z0z `t
STORMWATER PERMITS (SWB 05 I007 *SW8 05 008). H{ j Q _ W LLl
PROPOSED STORMWATER/ INFILTRATION SWALE WITH ID ON 5-I D
2. All portions of driveways within the 3rd and 4th Street right-of-way shall be served by an Infiltration trench G Q U z CZ O
SOUTH SIDE OF ROAD. system. O O W 0
PROPOSED STORMWATER/ INFLITRATION SWALE WITH ID ON N-I D
CZ Q
NORTH SIDE OF ROAD.
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I IL I,,,
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22 f�" I
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20 I ' — 20
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MAXIMUM-ELEVATION OF I — ico
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8 CENTERLINE OF SWALE MINIMUM ELEVATION OF TOP OF f.�
EXISTING ROADWAY C/L lT� U
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IMUM I i �_J CO
14 -__—
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4-1
SOUTH SIDE ROADWAY PROFILE 2 WITh FUTURE DRIVES
O �
HORIZONTAL SCALE: I " = 50' ( 1
VERTICAL SCALE: I " = 5' v
2 1+00 21+50 22+00 22+50 23+00 2 -00 24+00 24+50 25+00 25+50 26+00 26+50 27+00 27+50 25+00 28+50 29+00 29+50 30+00 30+50 31+00 31+50 32+00 32+50 33+00 33+50 34+00 34 1 N 35+00 1111111111 -
22_ I = 22 l
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l _ STORAGLEV MAXIMUM MAXIMUM ELEVATION 1OF - -- 4 I6
18 - I _
CENTERLINE OF SWALt MINIMUM ELEVATION OF TOP OF m
[ _I _— ( DRIVEWAY HEADDINALLS EXISTING ROADWAY C/L I
-1...-----______ 41°A ____ _ I I t--;
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N-21 D� N-22D4 N-23D _ N 24DI N-25Dt N-26 w
N 42D N 43D _ .- _
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6 1 I I 6 = '? SEAL 1c4
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4/4 aiwar
V SD I IM i 4''
NORTH SIDE ROADWAY PROFILE 2 WITh FUTURE DRIVES
110RIZONTAL SCALE: I " = 50' FINAL D RAWI N G
VERTICAL SCALE: i " = 5' c::_, S
NOT ISSUED FOR
CONSTRUCTION PROJECT # 090224

I
SCALE: SEE DRAWING
DRAWN BY:TMM
CHECKED BY: DMC
ISSUED DATE: 5/I I/09
PLACE SAND FENCE ALONG RAM
3
_ _ o
LINE EXCEPT IN EXISTING YARDS /�_ o
Z OR ACROSS ROADWAYS
o SOIL DAM OR DRIVEWAY !^ `-J to O
cn HEADWALL AS APPLICABLE (1W.) ` �' ���,� - `'�- -
rn ( HOUSE EXISTING PRIOR TO `�' �� `�1.... 1 /: Y `�`�'-
rrn DATE OF ORIGINAL�W )
\ = .- \ �. ! p� co m
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\ PERMIT NO. SW898054 \ C / �t, _ r.......\
` % = - 7 �- E Q a
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DRAINAGE AREA (3.3 ACRES) � � a Ili
APR 1 2010 y� SEAL ��'� \�
9499
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DISTURBED AREA (1 .8 ACRES) N.
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FINAL DRAWING
NOT ISSUED FOR
C- 6
CONSTRUCTION PROJECT #090224
.. S A 94 gA

SCALE: NOT TO SCALE
STORMWATER,PLAN NARRATIVE
EROSION CONTROL PLAN NARRATIVE DRAWN BY:TMM
GO' R/W 12"
DWQ issued high density SW Permit Number SW8 980504 Modification for this project on April 30, 1999. The -f ► ---►--- _4-- CHECKED BY: DMC
This project involves the construction of stormwater swales along each side of East 3rd VIGOROUS
original project included a 20' wide roadway, whereas a 20' wide roadway with 5' bike lanes on each side was SHOULDER GRASS COVE ISSUED DATE: 5/I I/09
subsequently constructed. The Town of Ocean Isle Beach retained Compass Pointe Engineering (CPE) to prepare plans Street and East 4th Street Extension. The length of the roadway is approximately 2,450' (T .)
3 and documentation for a renewal (due to a I O ear renewalperiod) and a modification (since thepaved roadwayis I 0' and the swales on each side of the 30' wide roadway will have a top width of 15. Theu UJ
y 4 ►41 Ow 7' I`' 15' ►' 15' ► VIGOROUS
wider than that covered by the original permit). CPE performed the work to reflect the wider roadway and submitted disturbed area will be less than 2.8 acres. ( •) (TYP.) GRASS COVER I
o
for
l.
t via an approval letter on
the p5ubse ject tuenDtvto�the August DNCUt was ded the iscovered bythe Town of Ocean Isle
t 3,Beach 2009.there existed The soils within the swale areas are sand with an estimated infiltration capacity in excess of 1141 re-FOOT ) (SEE GRASSING �� V Z
q 9 approval, NOTES) O >
overlaps of State SW permits between 3rd 4 4th Street Extension and The Resort projects. The Resort permits 20 inches/hour. The runoff into the swales will be stored "in place" due to the placement -
included one of high density (SW8 05 1007) and one of low density(SW8 05 1008). The permits for both projects of soil dams and driveway headwalls. The calculations accompanying the project I/2" PER FT. z
documents indicate that due to the very high infiltration rate and method of storage, there I I (fYP.) EXISTING PAVEMENT
for The Resort included language stating that the maximum BUA allowed "includes any built-upon area constructed within
4.5 4.5 SOIL DAM DETAIL o in a
the lot property line and that portion of the right-of-way between the front lot line and the edge of the pavement".
will be no runoff from the project for storm event events up to a frequency of 25 years. NOT TO SCALE o
The 3rd $4th Street Extension project included all area within the right-of-way; thus, the overlap exists. In all, 48 lots Likewise, since the swales parallel the roadway, the runoff from the pavement will be
directly to the infiltration areas; i.e., there will be no runoff conveyance features for this Q E
along 3rd and 4th Street from the Troy Street intersection to the end of the project (approximate station 34+50) TYPICAL ROADWAY SECTION ; o o
were affected. Of the 48 lots, 5 are currently developed and have existing driveways. The remaining 43 are "future".
project. NOT TO SCALE " z r o o
The Town, subsequent to discovering the overlap, directed CPE to modify the stormwater management design t I/2 WOODEN SLATS WIRED O a
This project drains to Eastern Channel, Old Sound Creek which in turn drains to theQ o
documents for 3rd * 4th Street Extension to the extent that no overlap would exist between it and The Resort TOGETHER SPACED I I/2"APART. W z a
projects. CPE performed the requested work. Subsequent discussions with staff at DWQ-Wilmington, however, led Atlantic Intracoastal Waterway(AICW). The stream classification for the AICW at this pointo z in
>
to the approach that the portion of the driveways within the R/W for lots contiguous to "The Resort" remain a part of is SA. Q cz
the 3rd and 4th Street Extension project. Future, it was decided by the Town that all driveways (whether or not
' 12' MAX �. 3' ROUND POSTS o 0 0
contiguous with 'The Resort" lots) be treated with independent, infiltration trench systems. There are no wetlands within the project boundary. 36' MAX Q o
The following summarizes the key elements of the revised approach taken by CPE on behalf of the Town. .4 ► o m
The primary erosion control measures for this project are sand fences, sediment fences, A I �' , § .,
I I . Both Resort projects are to remain as currently permitted. and vegetative cover. The sand fence will be placed along the alignment of the MIJi'
i '
el z
right-of-way line except in existing yards or across existing roadways. The sediment fence 34' MAX .w r o
2. All driveways within the 3rd *4th Street Extension right-of-way, whether or not contiguous with 'The Resort" 4 P. ,'.
will be used in locations where the back slope of the swale section will be constructed in ` ' , �:
lots, are to be a part of the 3rd * 4th Street Extension project. -, 2' MIN <
fill areas. Due to the layout of theproject (existinglinear roadwaywith no defined entrance I.5' EA. SIDE DRIVEWAY SURFACE r', 4 ' i40 4' MAX a a a
3. All "future" driveways are to be served by independent, infiltration trench systems. y
0/
or exit), no construction entrance is proposed. W77,%/%/ii////,-///,//////„/////7// V' '� 67
4. The main roadway, all "existing" driveways, and the portion of Oxford Street within the projected R/W of 3rd r $ � '
4th Street are to be served by the roadside infiltration swales. SWALE BOTTOM : DI
5. The portions of Troy Street, Shelby Street and Sea Turtle Path that are within the projected R/W of 3rd 4 I it._ J Z
4th Street are to remain with "The Resort" Project Number SW8 05 1007 since the BUA for these streets EROSION CONTROL MAINTENANCE PLAN �/, � 1,- n` 0 I Q
are included in said project. -�� �r- 9 1) W
Immediatelyafter the infiltration swales have been established, the vegetation will be VERTICAL HEADWALLS I
Given the above, the current project is assigned four drainage areas two (North Slde 4 South Side) for the9 , :- Q
watered twice weekly if needed until the grass becomes established. -, 4. =r4 a' I- -I
stormwater infiltration swales and two (North Side * South Side) for the driveway stormwater infiltration trenches. z O
After the infiltration swales have been established, they shall be inspected within 24 hours
The }
The soils within the swale and infiltration trench areas are sand with an estimated infiltration capacity in excess of , L. O W
after every rainfall event greater than I %z and otherwise at a frequency not greater than once TYPICAL DRIVEWAY CROSS SECTION \ � ' CV
20 inches/hour as established with the original submittal that was subsequently permitted by DWQ. The runoff into the every 3 months. �� f U W Z U
NOT TO SCALE { V. 4i
swales will be stored "in-place" due to the placement of soil dams and driveway headwalls. The drainage area will be careful) managed to reduce the sediment load to the infiltration f,' (�
9 Y 9 OL The calculations demonstrate that the swales are not only adequate to store and infiltrate without discharge the swales. x . rPI 6 tti f". ', Z J
runoff from the first I V2" of rainfall but also are adequate to store and infiltrate without discharge the runoff from the Over the life of the project, the vegetation in and around the swales will be maintained at a \ 2' MIN BELOW 0 4 C] Z a"- _
1-year, 24-hour storm. Further, it is demonstrated that the infiltration swales will handle the I 0-year, 24-hour rainfall height of approximately 6". EXISTING ISTING G Z --I
EV
without discharge at 1/2 the reported infiltration rate; thus, compliance with alternate design criteria is established for Trash and debris shall be removed from the area on a regular basis. 1--�- �--' d
the waiving of offline bypass and vegetated filter requirements. Areas that become bare, eroded, and or covered with sediment shall immediately be 0
u-I O
This project drains to Eastern Channel, Old Sound Creek which in turn drains to the Atlantic Intracoastal Waterway regraded if necessary to establish grades to the design values and a new ground cover CV (, Z
placed and watered until it is established. Lime and fertilizer shall be applied as necessary to BOTTOM OF SLATS BEDDED u_i Q i W Z
(AICW). The stream classification for the AICW at this point is SA. promote vigorous growth. Removed sediment shall be disposed of in a location where it will INTO EXISTING GROUND Z m 1 Z r
There are no wetlands within the project boundary. not cause future impact to the infiltration swales or any surface waters. 0
The Town of Ocean Isle Beach will enact a driveway ordinance to ensure that driveways within the right-of-way If water stands in the infiltration swales more than five days replace the top few inches of NOTES zQ = U Q
where the infiltration trenches are required will contain language with the following restrictions: filter media and revegetate immediately. SAND FENCE DETAIL I U C z W
• The maximum obstruction width within the roadside swale to construct the driveway will be 3 v^5'for driveways on Remove weeds and noxious plants from the infiltration swales at regular intervals by pulling NOT TO SCALE < J < G Mk
the northern side of 3rd$4th Street&tension and 36'for driveways on the southern side.. by hand or by wiping them with pesticide(do not spray). I I . Install sediment fence at locations shown on the plans and at ^/ W W O
Do not remove sand fence as these will remain in lace until such time as individual lots are locations necessary to retain sediment on the construction site. lY.
• An infiltration trench system will be constructed as illustrated on the permitted plans. pW 0 (f�
• Na culverts or other means of piping or channeling under the driveway will be constructed. developed. Remove sediment fence once adjacent areas are stabilized with vegetation. 2. Fabric shall be at least 95% by weight of polyolefin or polyester O W O
• No runoff from the lot shall be allowed to enter the trench infiltration system or the roadside infiltration swales. 6' MAX EXTRA STRENGTH FABRIC certified by the manufacturer or supplier to conform to the Q Z J (f) E
• Elevation of the top of the headwalls on each side of the driveway within the roadway right-of-way shall be no WITHOUT WIRE FENCE requirements of ASTM D 6460. Particular characteristics of fabric (.(-) IL1 z
lower than the elevation of the roadway center-line less 0.3'. CONSTRUCTION SEQUENCE �{ shall include: a) a minimum grab strength of 90 lbs in both the - z Q
8' MAX STANDARD STRENGTH machine and x-machine directions; b) a permittivity of 0.05 sec-I ; �� Z 0 W
1. The Contractor shall notify the NCDENR Land Quality Section, Wilmington Regional Office at(910) FABRIC WITH WIRE FENCE_ _ c) an apparent opening size of 0.60 mm; and, ultraviolet stability of FENCE < U
796-7215 at least 48 hours prior to beginning construction. STEEL ;=llll?- i==11 E;ilpll;°' ;;Ili 'g ti= '�Illl'h� Ill 0
i.ai :i.:•I•_t ::?�IIB ?i E Mali
70% after 500 hours of exposure. BACKFILL TRENCH Z
__=IIJI:ia_:= ill= •:'i=•=:;i ii'ii •• :,:i:=ii3il i 3. Filter fabric shall be from a continuous role cut to the length of i AND COMPACT 0 U W POST ir..==.a:= 1es:l.=i l?Ell=: ?i::�eo-:ilj3=-t=:.. PLASTIC OR
STORMWATER INFILTRATION SWALES MAINTENANCE PLAN 2. Clear alignments for all sediment fencingand install sediment fence. _'_ s=. ti l••11 N•,: -34iii ii ?==1= II
g i i ittti t- Nt llll'�. Re11 ?i"I ii ?Ii.I € WIRE TIES the barrier to avoidjoints. Whenjoints are necessary, STEEL
I ° j securely J FILTER THOROUGHLY I~^
0
III N l " it 111 lilil i fasten the filter fabric at a support post with 4 minimum overlap to POST FABRIC NATURAL i 1
Maintenance records for this project shall be prepared and kept by the Town of Ocean isle Beach staff and will be made available 3. Clear alignments for all sand fencing and install sand fence. - 1,111 i .' .Llli ? I.E 11 lip i11k ' pp p p GROUND
w
is _••••-•• = g
upon request. The records shall contain: inspection reports; maintenance and repair reports; a log of driveway construction relative WIREiiili . } a0 liliiiill; III="=:l it ; I; l€Iillll the next post.
to width height, and rovislon for interception of runoff from lot areas; and, other documents that will demonstrate a conscientious FENCE IA :- aril/i?• -•• i�• = i===••
4. Begin grading of stormwater Infiltration swales at the lower end of the protect(approximate station ='"',l:i 32=0 `' '_ "ill;'=="�='I' != =° ii;` 4. Posts shall be of the self-fastener, steel angle type with a "• �+ UPgLOPE
g , p p :: ,_• _ :.3 :• :_.._ NATURAL
• -: i`'ill': -�
?i= s F i ii•i•1_i::::i 11333031111 =
effort on the part of the Town to establish and/or maintain the shape and integrity of the swales and dam structures so that the 34+50). � ! 1111110.1kil• lit II il'ali•t minimum length of 5' and a weight of I .33 ib/LF. £ `}
1111114 h.iiiiii II E __;:=•?•'''i GROUND MIN._' _
intent of the stormwater plan will be accomplished. Particular activities of the maintenance plan shall include, but not limited to the 1iii1=:: y i 'i=i::=•• �i: _ __'_ 5. Wire fence shall be used where post spacing exceeds 6' and/or -�.. a'p
l is `•i,:i7=!s s MOM if xi:7.z Z
m_ i shil,.ft`l ill3 ui?ileFi :s l:lE.i•_. M.rill- CV
following: 5. As grading progresses, construct soil dams at locations shown on the plans and profile sheets. `�O " FILTER where extra strength fabric is not used. Wire fence shall be N i-1
`'•gl , ,s,p, ;-v-+.' minimum 14 gauge and have a maximum mesh spacing of 6". It shall •• •'
• Immediately after the infiltration swales have been established, the vegetation will be watered twice weekly if needed until 6. Within two days of completion of grading of a section of stormwater infiltration swales, apply seed, N �O *4" R R '' FABRIC the g p g ��� L tQ
8' DOWN 4" FORWARD extend to bottom of the trench. TIn
the grass becomes established. lime, fertilizer, and mulch as presented in the 'Gassing Notes'. Anchor mulch and irrigate as necessary ALONG THE TRENCH 6. Wire or plastic ties used to fasten wire fence and/or filter fabric V ' 1
-
• After the infiltration swales have been established, they shall be inspected within 24 hours after every rainfall event greater to provide an environment conducive to the rapid establishment of a vigorous grass cover, In
than I V2"and otherwise at a frequency not greater than once every 3 months. to the posts shall have a minimum tensile strength of 50 lbs. _ In
• The drainage area will be carefully managed to reduce the sediment load to the infiltration swales. ELEVATION 7. Do not attach filter fabric to existing trees. L
• Over the life of the project, the vegetation in and around the swales will be maintained at a height of approximately 6'. DETAIL Q,
• Trash and debris shall be removed from the area on a regular basis. n O
• Areas that become bare, eroded, and or covered with sediment shall immediately be regarded if necessary to establish VJ
Ll
grades to the design values and a new ground cover placed and watered until it is established. Lime and fertilizer shall be applied
as necessary to promote vigorous growth. Removed sediment shall be disposed of in a location where it will not cause future SEDIMENT FENCE DETAIL T L.
impact to the infiltration swales or any surface waters. NOT TO SCALE o �J ' U 4-
• If water stands in the infiltration swales more than five days replace the top few inches of filter media and revegetate W 6' 4 0 W
Immediately. 36'MAX.FOR LOTS SOUTH OF 3RD 4 4TH STREET Ror. gpK,gY DIVEWPY 2• et
< CO
((l
• Remove weeds and noxious plants from the infiltration swales at regular intervals by pulling by hand or by wiping them with 3s'MAX.FOR LOTS NORTH OF 3RD 44TH STREET N
pesticide(do not spray). o I::: N
m
STORMWATER INFILTRATION TRENCH MAINTENANCE MINIMUM 18'x I TRAFFIC-RATED I ct i Q
INLET FRAME 4 GRATE VERTICAL HEADWALL NON-WOVEN GEOTD(TILE FILTER FABRIC(SPEC: MIN.Ire PER FOOT(TYP.) Oz „� r}
The maintenance requirements for the infiltration trenches shall be the responsibility of the party(s)that purchase and/or develop the lots. MIN. 12'PER FOOT m/P.) Rs
AASHTO M288)ON SIDES,ENDS,BOTTOM, K u] V
The Town of Ocean Isle Beach will require that said parties agree to the following: �/ �- \ SWALE BOTTOM AND TOP(OVERLAP 6'MIN.AT BREAKS) CENTER SLOPED TOWARD CATCH BASIN O U
i
Q._ .�
• Limit the area of impact within the right-of-way of 3rd IL 4th Street Extension to a width of 36' (paralleling the street). ' / _ 8,,f PIPE WITH o ,`^� 0
• Provide the grading and or drainage means whereby runoff from the lot will not enter the infiltration trench system.
i ;� � i Z U 1 z
N + X I li
• Prepare and file maintenance records for regulatory inspection. I 111INI11N111'I11111111�i 1'I 1111�II�1 IuIIIII'IMIrI61i'IN'I111111I1mu!', ! b r' I
• Remove trash and debris from the drainage area on a regular basis to promote unobstructed flow into the catch basin. ,
• Remove sediment and other particulate matter from the drainage area on a regular basis to guard against clogging of the trench I _ I I ��� �•� '`�����•' ������ i.'•�
NO.57 WASHED GRANITE ��+� !e d��i.is.-,�s��i4.✓,4t}�i ,ii•�i
' _ -�;a•� 11 ": a-4." -{."�•S ,-4." -ice
4090 VOID RATIO) 1 �Jr 41�•� 41,��414 •41;:1
infiltration system. SEDIMENTA `;ram:-=:��,'iS�Lti••= C` .'�s 4 r :fii a 0
STORAGE 'i 12:1: � 4:1% 4iii � �a!f. N
• Remove accumulated sediment from the sump of the catch basin before it exceeds a depth of 18". 4e•DEEP BASIN �'� %'�iS1:��l;y: 'I::7s41; +:x�. •'F•'i
• Measure the depth of water in the catch basin on a regular basis. Contact the DWQ stormwater Unit immediately
�� !!' %#'`�' 'tf'Y �`"�'r ``'''{' O s
(9 I 0-733-5083) if the water surface remains at a level I 2'or more above the bottom of the trench system for a period NON-WOVEN GEOTEXTILE FILTER FABRIC(SPEC: IlL PRECAST CONCRETE
exceeding 3 months. HATn D M (oON R P SIDES,M N AT BREAKS) TRAFFIC
F�aE 11NCH2D s� U
DRIVEWAY INFILTRATION TRENCH SECTION B-B
DRIVEWAY INFILTRATION TRENCH SECTION A-A
NOT TO SCALE ` 111,
NOT TO SCALE
SEEDING NOTES
I. AU.AREAS DISTURBED BY CONSTRUCTION ACTIVITIES,AS WELL AS SEVERELY ERODED AREAS, 16'
SEEDING MIXTURE SHALL BE STABILIZED BY ESTABLISHING A PERMANENT GRASS COVER. SEEDING MIXTURES SHALL BE
SELECTED BASED ON THE SOIL TYPE PRESENT,SEASONAL CONDMONS,AND OTHER FACTORS AFFECTING B-441111
GROWTH. THE FOLLOWING APPLICATION METHODS MAY BE USED ASOUTUNED IN THE DENR EROSION AND • . 7�
SEDIMENT CONTROL PLANNING AND DESIGN MANUAL. IT 15 RECOMMENDED, HOWEVER,THAT A :�� �Vi �� DIRECTION
PERMANENT SPECIES RATE(Ib/acre) SPECIALIST BE CONSULTED AND SOILS TESTING PERFORMED TO EN5i1RE DESIRED RESULTS BASED ON I D5 ON ROAS GRA
PARTICULAR SITE CONDITIONS, �� o���oO CtUNNSEE a F9R1 ION ES-8 FORCPS
• • 24' 24'CATCH BASIN SLOPE @ MIN I TO PER FOOT(TYP.)
OF FLOW
COASTAL BERMUDAGRASS 50 .��'��� i�
A. CULTIVATE AREA TO A 5-INCH DEPTH A "411°N11111111111111111111111
$ < i AT EOP
B. APPLY 4,000 LB/ACRE GROUND AGRICULTURAL LIMESTONE(ORIN ACCORDANCE WITH SOIL TESTS) r ---- ---- ------
TEMPORARY SPECIES(AS REQ'D) RATE(Ib/acre) C. APPLY 10-10-I 0 COMMERCIAL FERTILIZER AT I,000 LB/ACRE(OR ON ACCORDANCE ' 111 I1:1 NI I I I III III!IN 1 I I I L1 I I 1 I1 111 I 1 111 I i 1111 111 I,�• �' t `" \\ .1,---
--.........,
WINTER(SEPTEMBER-APRIL) WITH SOIL TESTS)
RYE(GRAIN) 50 D. MULCH WITH GRAIN STRAW AT 3,250 Lb/ACRE TO 4,350 L2✓A(Y,E 1 u -► ( , HEADWALL ) E�!�T
E. ANCHOR BY TACKING WITH WITH ASPHALT EMULSION, ROVING,NETTING, OR BY CRIMPING WITH 1 y j�1J
A MULCH ANCHORING TOOL a'PERFORATED nDPE SOCK TILE PIPE WITH
UU �i \ !
SUMMER(MAY-AUGUST) t SYNTHETIC FILTER FABR C WRAP 6 __`` II�j��� �I� / \\ MAY 2 8 2010 �‘��L I I I I /
GERMAN MILLET 40 2. WHEN IT IS NOT POSSIBLE TO ESTABLISH A PERMANENT GRASS COVER IN A REASONABLY SHORT I 9C� •���..�• \ ��� C;,' fi
PERIOD OF TIME DUE TO CONDITIONS,A TEMPORARY GRASS COVERSIIALL BE ESTABLISHED. THIS 1 vO/•OO�w0O�i RAv B'p .��� ,y /i
L_ ��•A C'• C'!41 36'MAX. 17 __ I '1 /O j
TEMPORARY COVER SHALL INCLUDE ANNUAL GRASSES OR SMALL GRAINS, SUCH AS RYE GRASS. * Y'
PERMANENT VEGETATION MUST STILL BE(ESTABLISHED. MULCH MUST BE APPLIED WHEN SEASONAL B N0.57 WASHED GRANITE / ' 9 (}
40%VOID RATIO) /4 ''" EAL r' •
CONDITIONS DO NOT ALLOW PERMANENT OR TEMPORARY GRASS ESTABLISHMENT, BUT MUST BE USED No RUNOFF FROM LOTS SHALL ENTtR THE RAW ARM. / G' � 9499-`�A 7.
FOR THE SHORTEST PRACTICAL DURATION,AND NOT WHEN PERMANENT OR TEMPORARY VEGETATION THUS SHALL BE ACCOMPLISHED BY GRADING THE IOTS fS„�`t1K�f
METHODS NON-WOVEN Gro-ro ILE FILTER FABRIC(SPEC: 50 THAT THE GROUND SURFACE L5 SLOPED AWAY ' 'Y01 r f.�\Vy`
AASHTO M288)ON SIDES,ENDS,BOTTOM, NOTE: THE DRIVEWAY SHALL BE GRADED SO THAT ONLY RUNOFF FROM THE RN,OR RUNOFF 15 INTERCEPTED ERIOL TO // Q 1'1
MAY BE USED. TOPSOIL SHALL BE USED WHEN NECESSARY TO ESTABLISH VEGETATIVE COVER AND TOP(OVERLAP 6'MIN.AT BREAKS) FROM THAT PORTION OF THE DRIVEWAY WITHIN THE 3RD AND 4TH ENTERING R . /� �✓q r(Q �\
STREET RIGHT OF WAY SHALL ENTER THE CATCH BASIN. �/'/��I IM,,`\`��
3. IRRIGATE AS NECESSARY TO OPTIMIZE GROWTH. DRIVEWAY SURFACE GRADING DETAIL
DRIVEWAY INFILTRATION TRENCH PLAN NOT TO SCALE FINAL D RAW(N G
GRASSING NOTES
NOT TO SCALE 7
NOT ISSUED I=OR
PROJECT #090224
DETAILS FOR PORTION OF FUTURE DRIVEWAY WITHIN RAY CONSTRUCTION

SCALE:SEE DRAWING
DRAWN BY:TMM
CHECKED BY: DMC
ISSUE:DATE: 3/I 0/I 0
----___
n
DRAINAGE AREA 4 (GRAY)
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PERMIT NO. SW898054
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DRAINAGE AREA AND BUILT-UPON AREA DATA TABLE
ilou NG
4-
M.
1-...DRAINAGE AREA SURFACE AREA (SF)
BUNDA
,
,No. Name BUILT-UPON DRAINAGE .
1 NORTH SIDE ROAD 40 05CI 50 730 1 78.9
2 SOUTH SIDE ROAD 37 510 50 430 1 74.4
EA)
'51-N7
3 DRIVEWAYS - NORTH SIDE 22 050 22 050 100.0
T - IC
2 2.010
B
. -k. ..s. ,
-„,, ,,,,
4 DRIVEWAYS - SOUTH SIDE , 19 440 19 440 100.0
'IC'.-----------
13
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iiiiiiiitkv°
FINAL DRAWING
C8
NOT ISSUED FOR _
CONSTRUCTION PROJECT # 090224
--sommormim .

.....
STORywATER PLAN RENEWAL AND MODIfICATION
AND EK0510N CONTROL PLAN
fOK
•
OWNER
TOWN OF OCEAN ISLE BEACH
OCEAN IS
LE BEACH
S U RV EYO R
3KD AND 4Th 5 To KEET
EXTENSION i.,
TOMmNS
LAND
SURVEYING
P.A.
2161 ASH LITTLE RIVER ROAD NW
ASH, NORTH CAROLINA 25420
10)579-9505
TOWN O :
OCEAN
ISLE
UTILITY COMPANIES COUNTY
O
BRUNSWICK
I BRUNSWICK ELECTRIC (ELECTRIC) (9 ? 0) 754-439 I
N 0 TH
CARO LI
NA
1 ATLANTIC TELEPHONE (TELEPHONE * CABLE) (9 ! 0) 754-43 I I
1 TOWN OF OCEAN ISLE BEACH (WATER * SEWER) (9 1 O) 579-2 166
MA 'NI 2003
.,....,.......„
,,,,,i.
. ,.... , . ,
SHEET INDEXI CIFI'll ■ �tiE ' rs i ,,,,sit -� E
f`,, v5, "vMFE"F�z*':: me i ./'
ins' .. Ar i • ,par% 'rl.e:, .�. f -
- � 5�1`
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CS PROJECT COVER SHEETiii
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• C- I EXISTING CONDITIONS i1 1_� '�{\+4�[p "'� 1 .\
.muii..Ffik lkY _ 'fig. 5. i �, �' I
C-2 ROADWAY PLAN AND PROF ILL: WITHOUT FUTURE DRIVEWAYS rf` ~- �,
�.. � ��: ENGINEER
C-3 ROADWAY PLAN AND PROFI EI= WITHOUT I-UTU RE DRIVEWAYS 4jl qn_2.,IIC-4 ROADWAY PLAN AND PROFILE WITH FUTUR,ft DRIVEWAYS — r
C-5 ROADWAY PLAN AND PROFILE WITH FUT Rr_- DRIVEWAYS _ ` `�RI
,' ��i . ;, . ;rr 1'l '
�t 'T �'. ',',TER' +,s'r`E�. f�ai 6 aT 1��� Y_._ `-+`_� .' '� �- - ii y' ;, —7�+ �jAlk � ' " l
C-6 EROSION CONTROL, DRAINAGE AREA, A\D DISTURBED AREA MAPti _ i, s , 1 �.�� . h4
C-7 STORM WATER AND EROSION CONTROL �,c:��TES AND DETAILS . , , � . t' ':- -
----\'-fj--- ler
l.
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v . _ y-_
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_ =-= 6934 SUITE 6 BEACH DRIVE SW �03I�
_ _ ��► b0 t0i.1 ,1\ip01i i 0.r.4s61
i7,,,71-i'k ,� _ SLE BEACH , NORTH CAROLINA 28469 �w:11I1:T1YE5N
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, .r� � 1` " i � ���I� � aMMI5S1 �
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"43:AT, , , DUAL
\\ 'I.\ ottirp. •• *I • Oklik„ \- , , ,..,,
RE IC rrOX.V=r)
'•.e..,„';0.Ir.1:51101 '•,r, .S-016, 1,
- y,,, � w,�_. r MAY 2 0 2009
:II:. t er r BY:SW-J 8OSv�-
V I C I fN f TY MAP �,` �\� c48�,,i...ff �� � �'�j�M,, ,
G` r i. :�.
NOT -TO SCALE r . G � � � � � FINAL DRAWINGS
1 NOT ISSUED FOR
d l qo�\ ////-0 wt.�.�;J N \ CONSTRUCTION
ili
... - ,`-. r�sM.._,._. :-_ica,... .yam s4_. _ ,� -- --

SCALE: I" = 50'
DRAWN BY:TMM
CHECKED BY: DMC
ISSUED DATE: 5/I I/O9
GENERAL NOTES:
I I . SURVEY DATA FROM TOMPKINS LAND SURVEYING P.A.,"SURVEY FOR OCEAN
ISLE BEACHOF TOPOGRAPHIC AND LOCATION OF THE 3rd STREET AREA,
SHALLOTTE TWP., BRUNSWICK COUNTY, NC. DATED FEB, 19, 2009"
0
2. FOR THE PURPOSE OF CLARITY, WATER AND SEWER SERVICE LINES ARE NOT .__-_ o
SHOWN ON THE PLAN OR PROFILE VIEWS. WATER METERS AND SEWER _____._ Q
CLEANOUTS, HOWEVER, ARE SHOWN AND SERVE THE PURPOSE OF ALERTING THE o �M-__. o
CONTRACTOR OF THE PRESENCE OF WATER AND SEWER SERVICE LINES. z ;- F z z
HOUSE EXISTING PRIOR TO rn �"
3. THE CONTRACTOR IS RESPONSIBLE FOR LOCATING ALL UNDERGROUND rn ,70 ( DATE OF ORIGINAL SW l a / rt: _ - _ w � 5 J
\ \ \ PERMIT NO.SW898054 7-: ,1 N` - \ `-- - - '� N f/,',' w
UTILITIES PRIOR TO DIGGING, WHETHER OR NOT THEY ARE SHOWN ON THE _ ,,\ \ cki i '� -_, =r
73
PLANS. UNDERGROUND UTILITY LOCATIONS IF SHOWN ON THE PLANS ARE i `' ` `'' 1. I / �
-Lg
w r 1 �. / - - •-.'�,. -1 `��a1 .;'.. -..._ - �...' --3 '.��rl�' • s•_4� \.' k ! r-- i �` f' -..^." n
BASED UPON THE BEST AVAILABLE INFORMATION AND SHOULD BE CONSIDERED a / _----- ' ;- � _ l / = - \' I w
I t \ _- --� -....._.. -.�."' \ ,'� \ �� .fit -� _ .`'-�-..r - n��/ - '_� ..5 �`\\ 1 r`/ I d Z- - G Q O
ONLY AS APPROXIMATE. -'�� / j / f: t' I pm
�._
ONPRIVATE PROPERTY --, - '`��_ ;�'~ ----_- -r�"��o � goo i y3� -' CO _- - `'��, -���", _ '�.' Y ?' v - ��`'`. '' =, �`. ,'r- `'>`-- -.---_- - -=�_=` ,i, � \ / I ,� �
4. ABSOLUTELY NO WORK SHALL BE PERFORMED - _� 1
WITHOUT WRITTEN AUTHORIZATION FROM THE PROPERTY OWNER. ww �? _ �_. - ww 0 - nti ._.__� - o
5. THE WORK SHALL BE ARRANGED IN A MANNER THAT WILL CAUSE A MINIMUM
OF DISTURBANCE TO VEHICULAR AND PEDESTRIAN TRAFFIC. ADEQUATE INGRESS \ j \
10+oo ! ii+oo iz+oo ---- ---- _.is+oo 3rd/4th 5TREET ---'. - __-_---- - _- ---.---____-- --
AND EGRESS TO BOTH PRIVATE AND PUBLIC PROPERTY SHALL BE PROVIDED BY 4} 5+� 6+� -- ------- -_ ._ a_ __-_ 9�_ " -- 21 00
z
THE CONTRACTOR DURING ALL STAGES OF CONSTRUCTION. WITHOUT WRITTEN I �3
APPROVAL FROM THE TOWN, EXISTING SERVICES SHALL NOT BE INTERRUPTED BY f T - v _
�S i;
_Ste-- � $ 7„ i -THE CONSTRUCTION WORK. ANY PAVED AREAS UTILIZING OPEN-CUT AND PATCH 'A" N RAN
SHALL BE REPAIRED THE SAME DAY AS CONSTRUCTION OCCOURS. ABSOLUTELY _r_ _
NO OPEN TRENCHES SHALL BE LEFT OVERNIGHT. : (- ',-,' ',,,, --, , (—_,„.„:„
CZ U
/ __ix"
---:,--_______,,,_:::::::_:::<.,,,,, <,-,_-_::___--------,,,‹
,
H PUBLIC - i i "" / c';.„,z.,_:.,:Ly'....,
F I6. THE CONTRACTOR SHALL CONTACT THE TOWN OF OCEAN ISLE BEAC 1--
_______, , .. (� TWORKS AND THE ENGINEER A MINIMUM OF FIVE (5) WORKING DAYS PRIOR TO - ' .___, , - - -- --- --__-_--- _ _
THE BEGINNING OF CONSTRUCTION. _ \.- ��, % 4- -
EXISTING 1 - - - O __ 0 U
7. THE CONTRACTOR SHALL KEEP THE ENGINEER INFORMED RELATIVE TO THE HOUSE _ �_ — Z L
PROGRESS OF THE CONSTRUCTION. THE ENGINEER SHALL OBSERVE __ -7
CONSTRUCTION ACTIVITIES AS REQUIRED TO PROVIDE CONSTRUCTIONJ
CERTIFICATION TO NCDENR-DWQ. - CZ (- Z
8. TRAFFIC CONTROL SHALL BE IN ACCORDANCE WITH SECTION 150 OF THE
NCDOT STANDARD SPECIFICATIONS FOR ROADS AND STRUCTURES. r < w Q
z Q zm
WETLAND NOTE: There are no wetlands within project boundary. m
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LEGEND - EXISTING FEATURES
U.J z
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- RIGHT OF WAY R/W
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11 EDGE OF PAVEMENT EP LLI
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/ s9 ELECTRIC BOX ® ELEC
9 � Q �
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LIGHT POLE 4 --� N
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�� 1 I SEAL �" #
1 I C ° OLINA EIWIRONMENTAL % 0258 �A Y
b!s 1 ,y `sNr �'� �' E MISSION IN -�,�o�.
° -- 'I I I �O OIR WATER QUALITY //, ` A.
,,
bz �__.-, mla 1111
6
.�, � w, to
• EXr .�., I kit11lat�
( G) ` o RECEIVED ®a®���. q 9,
JUL 2 0 2009
4 SEAL4:r1 ;
$�' 9499
(6--Atisr L.,_
ii.„ ING) ---• (:).‘y*,
rP/lgCDI. G®��,
Eiti11t\r�
FINAL DRAWING
NOT ISSUED FOR
C- I
CONSTRUCTION PROJECT # 090224
_ -- -

SCALE:SEE DRAWING
DRAWN BY:TMM
- CHECKED BY: DMC
ISSUED DATE: 5/1 I/O9
r_
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I
• OTENTIAL FUTURE LOT LINS (TY )
1 1 1 1 1 1 1 1 ( '''''''''''''lh'bl
NO O 0
Q ., HOUSE EXISTING PRIOR TO `- _
�n O
1q, cn r,j ( DATE OF ORIGINAL SW C7 O
PERMIT 1-7 NO. SW898054_ I (5)
I W rn
I o i SWALE DAM AND/OR I w
I z I DRIVEWAY HEADWALL (TYP.) � q 1 Q
W 110�o:, twar00% ",
'/3 01 0 l_._ -5-6
L . z
RAN
----. -
--- - -- S I S 2 S-3 (,)
._._
N - 5-4 5 - -- -
- _ aaa ,a<
• r� 12+00 13+00- 14+00 15+00 3rd/4�.h STREETn
16+00 17+00 18+00 19+00 20+00 2I,00
J
- _
1
_� N I I N-3 - N 5 N-6 F—
' I :,, / N 2 --- - e Iu,v_-- — — - F:v,I
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—/ 7 � N 4 -`
1 O ova—
_
Z
jH L ~ lL
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i (!� O
1 SWALE DAM (TYPI I, .) �— = Q Q
O
U
(EXTING)IS W �-- 0
HOUSE SHADED AREA REPRESENTS EXISTING YARD OR
SIDE ROAD WHERE STORM WATER INFILTRATION 11 z Q L.) H
SWALES WILL NOT BE CONSTRUCTED. 0 U_l < O O
> Q oL — Z
1 I Q� �/ �/
- LEGEND
- QmH � z
.
7fZ 111 = W Q
. N S-I STORMWATER/ INFILTRATION ROADWAY PLAN I WITHOUT FUTURE DRIVES POTENTIAL FUTURE LOT LINES (TYP.) d �/ UQ Q W
zco
SWALE WITH ID ON SOUTH J
• SIDE OF ROAD SCALE: I " = 50' n-- co O Q J
STORMWATER/ INFILTRATION
N I wI <
SWALE WITH ID ON NORTH -
z
SIDE OF ROAD = Q z O z W
OI W 6-) U
O
cz U z
co
{{W-- Q
o °
Q
ill
9+50 10+00 < 10+50 . I+09 11+50 12+00 12+50 13+00 13+50 14+00 14+50 15+00 - 15+50 16+00 16+50 17+00 17+50 18+00 18+50 19+00 19+50 20+00 20+50 21+00
22 {- i i 1 122
_ __ I I -.__--- -------- ----- - --- - -------- ---
- AXIMUM ELEVATION OF - -
1 N N WATER LEVEL MAXIMUM M
20 --- �� _- - ------- - - N N
O uD O N STORAGE(TYP")._ (.0 CENTERLINE OF SWALE MINIMUM ELEVATION OF TOP OF!
O
O
18 __-- _ _ -- RIVEWAY HEADWALLS Ib �
z — - I - _ - I -
m D
_ _ -7:7T I EXISTING ROADWAY C>L
I -'- -
I
c.0
— to6.
.-..__ .._. ��-_-__._ - _ - - _..- . -___. _ ____. __ --_--___. ._�.... ----ate_---•�- - __ -__-_ - --_ -y-z_��= _ _ ___..--__ -___-_____-__�_�__--__._ _-_____.-.__�__---._.._____-__-__ -__. _.__ _ _ _. - .._____-.
......- , .7--- 14
I
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I .
12 ---- � i 1 � -_ 2
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- 1 ----- — -- - 0
i
— T
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i.
- - - -- - - -- i - - - - - --
I co Ks
8 1
O
6 10+00 II+00 12+00 13+00 14+00 15+00 16+00 17+00 18+00 19+00 20+00 21+00 E -m
9+50 _ ,r)
L° mZ
Q-- a)
<9 U
SOUTH SIDE ROADWAY PROFILE I WITHOUT FUTURE DRIVES Ln
o HORIZONTAL SCALE: I " = 50' CZ a)
(D� VERTICAL SCALE: I " = 5' in
t E c
cz
oIX. 43
Z U
c‘.! U • °
I. +
O
9+50 10+00 Q 10+50 11+00 I1+50 12+00 12+50 13+00 13+50 14+00 14+50 15+00 15+50 _--X 16+50 17+00 17+50 I6+00 18+50 19+00 19+50 20+00 20+50 21+00 \ ,
22 I 22
zo —
I WATER LEVEL MAXIMUM 1' I
1 ill illill'1/4.
IX 0
P. i STORAGE(TYP. ; _ D I '
- - _ _
z =----- — ------ — +
— — 0
w - - I - �+ ._. - „s4,
-' - __----- EXISTING RQADWAY� - — - —
I _
3 —
V0+ ,"
1f
14 MAXIMUM ELEVATION OF111:717-1:11—
--_ N Si '-
E
ilk-
CENTERLINE OF SWALE j -- — — - - i — _-_ __._.._ - - - -{ - -- - - - - -- -N -
6 - - "ryaO�SEAL' yg
- -"' - - t -
1 z I , '''-_- --- N 5 -- - - - -- - - 12 t 025856
I MINIMUM ELEVATION OF TOP OF 1 -"- - --- -1- -----------------}- _____--------------------•____ ----- :- °;F
1 i DRIVEWAY HEADWAI 1. I i ... �,, N :'LO
I _ - -
j ' I � Triff-ppovED
`„ y (,.A.-Noy. \
- - ._ __ --- C RCLIIIn ENV . tl l l f f=
8 a IR�'NMENTi4L
- _ ._._.__ - -- INCEE
8 _ �- Nr CCIMISSION o 114::"
1L1:11V1 DIVISION
•
6 C.
9+50 10+00 11+00 12+00 13+00 14+00 15+00 16A-00 17+00 18+00 19+00 __--_. y .d'
EAL r'':
\61C'T-:
9499 1A y
�3p'�GI N 'p0'0. .•:'
NORTH SIDE ROADWAY PROFILE •I WITHOUT ffLITURE DRIVES :,,,4q*D,---c,o 0.-..
HORIZONTAL SCALE: I " = 50' r'i f i l l f f f \\
. VERTICAL SCALE: I " = 5'
FINAL DRAWING
. ,
C- 2
_.
. . NOT ISSUED FOR
PROJECT # 090224
CONSTRUCTION
i

-
SCALE: SEE DRAWING
DRAWN BY:TMM
CHECKED BY: DMC
♦ C�
0
ISSUED DATE: 5/I I/09
<v
,!
a:� SWALE DAM AND/OR ,
DRIVEWAY HEADWALL (TYP.) °-'
4,.4
69 '
_-.
89
49 S = SZ
n 22i —
j 9g �y9
O97 /I �z nz� ddo s 1 l 0>
CA _ _ i EXISTLNG I sag
�V ( HOUSE 1 s.�:9 nrvr rn a dd0,etnv
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az
, ' 1 '. i '''' r r-r--
l W
_ — S/ Q
z 22+00 z3,00 za+oo 0 26+00 3rd/4th STREET
p
v+oo 2a+co
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N6 N-7 11_ � Rive/ rs N-8 7 ; I
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ve
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SHADED AREA REPRESENTS EXISTING YARD OR �2 �� �� �" W 0
SIDE ROAD WHERE STORM WATER INFILTRATION Av� ;, _ CO 0 U
LEGEND SWALES WILL NOT BE CONSTRUCTED. a3M3s\` �� I� Z U W Q
OZ
5-7 STORMWATER/ INFILTRATION
ROADWAY PLAN 2 WITHOUT FUTURE DRIVES bU � ' LEA Q D U 2 zz m
SWALE WITH ID ON SOUTH SCALE: I " = 50' bzs ��7 Nei - - �' m < W
SIDE OF ROAD O J
�� TIT }— W —1 'n
( G) _ _--___ u— UJN-7 STORMWATER/ INFILTRATION �J J
SWALE WITH ID ON NORTH Z z
bte W
SIDE OF ROAD Q z 0 z u_-I
W
/ ( sNC) W 0 z
ILJ Q
.
N
N00
.
21+00 21+50 22+00 22+50 23+00 23+50 24+00 24+50 25+00 25+50 26+00 26+50 27+00 27+50 28+00 28+50 29+00 29+50 30+00 30+50 31+00 31+50 32+00 32+50 33+00 33+50 34+00 34+50 35+00 r,
22 T
f I ! 22 V
20 O
1
- — — ;�`
8--- 1 -____.___—_----._---1------------
! MAXIMUMELEVATION,OF — —. — Q a (I)
i I MINIMUM ELEVATION OF TOP OF I N (n
CENTERLINE OF SWALE DRIVEWAY HEADWALLS
______ I I EXISTING ROADWAY C/L m c L
O p WATER LEVEL MAXIMUM o __I
+--_-_.._ 6 T
I O I + STORAGE. (Tl'P.)_ I p I m V ' v c0
+ + t p I - - I —— _—._.—.. + (13
NN I N 7 _ m — ._ - `Q 14I N N --- — — — — — — — — — — — — — r —� INto
o
c
m _
m
U
1 1 z lL
I I I _c
6 6 U 1 CO
21+00 22+00 23+00 24+00 25+00 26+00 27+00 28+00 29+00 30+00 31+00 32+00 33+00 34+00 35+00 ('�'[
•V 10
SOUTH SIDE ROADWAY PROFILE 2 WITHOUT FUTURE DRIVES ERS
HORIZONTAL SCALE: I " = 50' O 0
VERTICAL SCALE: I " = 5' U •
, _
21+00 21+50 22+00 22+50 23+00 23+50 24+00 24+50 25+00 25+50 26+00 26+50 27+00 27+50 28+00 28+50 29+00 29+50 30+00 30+50 31+00 31+50 32+00 32+50 33+00 33+50 34+00 34+50 35+00
22
1 ! to 22
1 _o
n 20
' f -' MINIMUM ELEVATION OF TOP OF IDRIVEW H DWALLS rI, MAXIMUM ELEVATION OF
i I CENTERLINE OF SWALE I 1 { Z 18 \��‘111 111)0
il
1 ! EXISTING ROADWAY C/L I ti 1� d/io <,
16 O 1NATER LEVEL MAXIMUM I O —__— -. -----___._ _._.... O. _.....-___-- -__._-.___-- ----..rt__-_ i_�____ ..__-___-_i.....+ .__-_..____..__._. 16 •°�•.in
,»-A,
N TORAGE(1 YP.) ` °� co ppj I cry _ ,,�`� y
. 1
025856
SEAL
co
N ! — ------------—---------- — N j co In C9I 1-
'
CM N
.... ..... .., _... _... --t.,- i '--- ------_E ,
..___ ___ _ _ _
__________
______________ ____________ H _
„:„. 4 e t A. k.‘0 \,,,,,
N-7 — ---------- - - - - - --- 12
I I t----- — — O 111110
o — -J------____ - --- - -------- - Irk
---� -._ —_ _..-- — — — — ----- - - WU*
j 1iN=11 J Io
j
P
NAI ENV 9499 S�
r •EAL 1- .
6 I q RONMENTAL 1-:
n -W21+00 22+00 23+00 24+00 25+00 26+00 27+00 28+00 29+00 30+00 31+00 32+00 33+00 34+00 1(1�r', p /,�.,,3P1/IENT �..(0 �` v'�1.?llv��'!�� OOMMISSION ►N .
NORTH SIDE ROADWAYY`ylN OF WATER O�ALITY d�y�� G \°��
NOR PROFILE 2 WITHOUT FUTURE DRIVES
'/11lillia�`�
HORIZONTAL SCALE: I " = 50'
VERTICAL SCALE: I" = 5' FINAL D KAWI N G
C ..... 3
NOT ISSUED FOR
4
CO N ST KU CT I O N PROJECT # 090224

/‘ SCALE: SEE DRAWING
DRAWN BY:TMM
CHECKED BY: DMC
ISSUED DATE: 5/I I/O9
w C
w
DI 0
i
POTENTIAL FUTURE DRIVE (TYPICAL) POTENTIAL FUTURE LOT LINES (TYP
z CON
o + +
Z O o 0
x.
co
71 Q Q HOUSE EXISTING PRIOR TO \ O
ill l) j co j -
\ DATE OF ORIGINAL SW
PERMIT NO. SW898054 c7 ; (15
z
f
W 70 w
ni O i cz
O rn
j
co Ir.
Z I I SWALE DAM AND/OR DRIVEWAY q 1 o
u_i 4uR7p3 { I ,000
I fI I
rtro✓ k�y8,t- I.,kolbe - - �_ wav I I I — — — I — I —_ L_ HEADWALL (lYP )H
,5-` 5-I D -I 400' 5-2 D S Da 270 S 3D -
S4D L
S 5D 270 _' 4507S 7D 270 S 8D 270 S 9D 27 1270I?7QSDJ0 SIOD SIID 270 SI2D 270 SI3D 270 SI4DI?701
SI 12701 __ _ 1 I :I_ 12701 L. . . 5D 270 .._ _ 4 ,0 T)
3rd/4th STREET
--- 14+00 15+00 16+00 17+00 18+00 19+00 20+00 21 00
_.._..____._.1 � I+00 12+00 13+00
r 1
' _ •
D
,, ,` It a-1 Z
j27O N 2D 2/O N 3D 270N4D 270 N5D N GDIC N7D270 N-8D N 9D 270i I 2(d N I ID N 12D2N-13D 70 N 14D N 15D N ICD N17D270N18D L --.I I 1 - l 12701
_ 1= -1 12701- J - - 270 N 19D 270 N 20Df-
�t ;I N I D I T >5,,n n
0_,..,
12701 12701 L -1 j270J _ _ _ 12701-_ - __-_ J270J
_-_ I -_l l I l _ _ 1 12 01 W ►-
an
� -
D I_ U(___
J J
SWALE DAM (TYP ) f
1
�._ 0
(EXISTING)
I`- d- OU
HOUSE POTENTIAL FUTURE DRIVE (TYPICAL) 0 Z U =
SHADED AREA REPRESENTS SIDE ROAD, EXISTING YARD, OR OTHER FEATURE WHERE Q Q Q- O O
STORMWATER INFILTRATION SWALES WILL NOT BE CONSTRUCTED. THE NUMBER VALUE I I I 0 pL co
REPRESENTS THE BUILT-UPON AREA IN SQUARE FEET. ILI m W 0 =
IL = QWU
LEGEND
POTENTIAL FUTURE LOT LINES (TYP.) Q
-L4a- oCU5, pLu
ROADWAY PLAN I WITH FUTURE DRIVES Q co
S-I D STORMWATER/ INFILTRATION SCALE: I " = 50' z h_I f� Q W
SWALE WITH ID ON SOUTH
SIDE OF ROAD WITH FUTURE O __I
DRIVES Note Relative to Future Construction of Homes Adjacent to the Project Roadway: >- n Z
W Z
As homes are constructed the sand fence in front of affected lots will be removed. Z 0 z Q
N I D STORMWATER/ INFILTRATION Drlvewa s serum the lots shall be constructed with headwalls within the right-of-way I1J
SWALE WITH ID ON NORTH y go W O
SIDE OF ROAD WITH FUTURE and the maximum distance between the headwalls shall be I 8'. Following home Q U Il_l Q
DRIVES D construction and yard stabilization, the infiltration Swales in front of the lots shall be
O
N regraded to the original design section and vegetation shall be reestablished. O 0 Z
coL-1 Q
0
9+50 10+00 < 10+50 I_+00 11+50 12+00 12+50 13+00 13+50 14+00 14+50 15+00 15.150 16+00 16+50 17+00 17+50 18+00 18+50 19+00 19+50 20+00 20+50 21+00 Q
22 U - i I 122 n �I
i — —
O I MAXIMUM ELEVATION OF WATER LEVEL/MFXXIMUM - 20
Inin
CENTERLINE OF SWALE STORAGE(TYP.)
18 —
+- -- - - -- - - - _
S.
______3 y- .�___----___- I INIMUM ELEVATION OF TOP OF - ' - - I Ie
1 _ _
Z--
li l -
[n- ___--- - - S 2D ---- EXISTING ROADWAY C/L I L
5 IDa - -- -; - _ 5-4D --- -_- 16
T
S7D
-_ S 9 D _
5-IOD - -5-I ID ± SI2DJf3DT -5- 5D - 12 U
-- -- - 1 W
l � ------- ----- --!----_._ .. .----------- --------- --__ _._--.. --- ----- - ------- --- to � [L]----------------
-- ----------IQ� _ `D_...�. ---- -- -. -__- --------- 8
4 �1 -_ (n6 0 .° m0
9+50 10+00 II+)., 12+00 13+00 14+00 I5+00 16+00 17+00 18+00 19+00 20+00 21+00
IASOUTH SIDE ROADWAY PROFILE I WITH FUTURE DRIVESwo
:De)z-cuilic°1-S)"2c(n:12"2-'
cn HORIZONTAL SCALE: I " = 50' 1 (�VERTICAL SCALE: I " = 5'1 ez
z`EON+ ' `Oh✓J9+50 10+00 Q I: 1I/O 11+50 ,2+00 12+50 13+00 13+50 14+00 14+50 15+00 15+50 16+00 16+50 17+00 17+50 16+00 18+50 19+00 19+50 20+00 20+50 21+00
22 I-U� ( 22
H20 -------- --- W - M IMUM ELEVATION OF WATER LEVEL/MAXIMUM ��CENTERLINE OF SWALESTORAGE (TYP)--- ._ _T.. __._----- _--- i- _ _-___ `MINIMUM ELEVATION OFTOP OF- - 18
I_ _ - -�._ - - - DRIVEWAY HEADWALLSw -- _-__- N-5D -- - _-_ I- ---- -- •- N-4D - N 6D � __ _ -=' -__.__ s.-.:._._,_ __.t.-. -.. . --- EXISTING-ROADWAY CAN8D__ N9D � _N I D ( - j- fi -j ---- I ``�Q,�� CAQ ✓ �
- - I
N I ID - - -S
i
N 12D
N I D N-13D ---__ ��+.
- -- fi -- - ----- N 8D lN9v __ D12- - N 20 , SEAL
Y s
1 I I
�' 25856 .�
i I - to �0-"�Ci'I YIG ��
� I � 1 I . - - - --- _ ---------------_ :%:�,,y�,F�..A.-Now 4�'.
APPROVED
I I I
NORTH CAROLINA ENVIRONMENTAL '''"i I i i"�``
I MANAGEMENT COMMISSION ��e% 1 ,�
9+50 10+00 1 -00 12+00 13+00 14+00 15+00 16+00 17+00 18+00 19+00 - 21+00
-' 9 .°a�'� C� CA OF WATER QUALITY ,-` ,
: 414 . AL l'A :I:-
oil.
NORTH SIDE ROADWAY PROFILE I WITH FUTURE DRIVES .�®,y y, --,,m. , ..,,,
HORIZONTAL SCALE: I " = 50' '�r;ll I i i t 0
VERTICAL SCALE: I " = 5'-
-
FINAL DRAWING
NOT ISSUED FOR
C MM.4
CONSTRUCTION PROJECT # 090224

SCALE: SEE DRAWING
DRAWN BY:TMM
1
ChLCKED BY: DMC
J
(J
(^�j
ISSUED DATE: 5/I I/09
,
nl
6; >
6)_. 6 &9 1'-
POTENTIAL FUTURE DRIVE z POTENTIAL FUTURE DRIVE
Zy s (TYPICAL)
/. / / 99 /9 I9; �� 19 O9 Sz (TYPICAL) �.
i 0 9�,3 �� �c
lz (ExT;NG)1IS gc.99 ,\I , a adddo.,etinN
HOUSE ae,
G `'cr0•b173 'a
f I Z
I - •, - 13 _..--- '-- -- - - -- N� dd�.Zt ®89 �s�y _ 03 n
C 2 417. 5 @O O
/ d •, , '�' h;.v ss �3 ___ I` �r3 lO7k�1 ® -- - -- - -- r --- 'd a` w.i- - 0 . S 25D -
270 S-16D 270 S-17D 270S-ISD S 19D 270S 20D 270 600 270 L : � 420 - , 27 t � 270 S 26 ` 270 S 27D 270 S-28DI I r I a i� T27o1s23D127Q1s24D
I _ I27or52;D
��S
C
LS 2 I D S 22D 7270J ,
.ZL �L II-
270 �a Q
2I 00 22+00 23+00 24+CO 25+00 26+00 27+00 28+00 29+W ...� \
N-21 D 270 N-22D I270 N-23D 12701 N-24D 270 14-25D 270 N-26D 270 r 270 N-28D 270 "N "9D 2701t2
D 27Q IJ-31 D 270 N-32-D 270 �1 3Dei_, ____G00 - , 0
.
� y I f �,, \ d�A �? a3, 5 3 7 270 /270`', \ '\ -.'t ;;;„ ) > N 34DN t �sN36 nl,, 7
POTENTIAL FUTURE DRIVE
1 S
%� d '� 2Q 3, 33D =
��9
(TYPICAL)
:.:
n z z
�<< NI
(E-Xls77
NOU I G �kIST/ J 0 (. 27O dda E' '�I /0 / O
( G)he< - ® �2` `S as1 s
t'9< b08 bt'g F ? N 4OD O /t / Q�Q� H CZ
CP
.99
b a c< szvl 0�OJ = LL oz
W ti d�.&h�N � l = O Q
SHADED AREA REPRESENTS SIDE ROAD, EXISTING YARD, OR OTHER FEATURE HERE / �- F- z U
STORMWATER INFLITRATION SWALES WILL NOT BE CONSTRUCTED. THE NUMBER 270 S7_,---::
VALUE REPRESENTS THE BUILT-UPON AREA IN SQUARE FEET. � V _
� W ( z,1h70 33 s3 o, co J Q < Z
�I �� U- a- O O
�> O OZ �/ z
SWALE DAM AND/OR DRIVEWAY ,., 127Q ' O 27O �/ W (� �W__ O =
LEGEND HEADWALL (TYPICAL) ''';� Q U
N-44D 'l ��w Z W
�;� 52
38D I -�- U
S-16D STORMWATER/ INFILTRATION ROADWAY PLAN 2 WITh FUTURE DRIVES I$ Q 0 LU
SWALE WITH ID ON SOUTH ff� �`
SIDE OF ROAD WITH FUTURE SCALE: I " = 50' � ` / ��� z � W Z CO
[ Q < lL1
DRIVES ry�SN 4SD T J O _1
360 / I�' IL- ILI I- i
ls Note Relative to Future Construction of homes Adjacent to the Project Roadway: (/100/NG 1 __.-
N-2 I D STORMWATER/ INFILTRATION Q - z W S
SWALE WITH ID ON NORTH As homes are constructed the sand fence in front of affected lots will be removed. VFr6 z 0 z
SIDE OF ROAD WITH FUTURE Driveways serving the lots shall be constructed with headwalls within the right-of-way < - UL_I 0
DRIVES and the maximum distance between the headwalls shall be 18'. Following home Q U U
regradedlon and to the original Idesgnrd lsection infiltration
getation shall be eestablnt of the ohedts shall be (Ekis
f'OUSNG 0 O h_l 0 O
CC z
w <
<C
N
t\
ILI Cel
CJ in
21+00 21+50 22+00 22+50 23+00 23+50 24+00 24+50 25+00 25+50 26+00 26+50 27+00 27+50 28+00 28+50 29+00 29+50 30+00 30+50 31+00 31+50 32+00 32+50 33+00 33+50 34+00 (1lS4+50 35+00
22 I l I 22 E I�
D _ In
I I
i
-- I
Ln
ca
!
�WATER LEVEL./ --
--- MAXIMUM ELEVATIONTOF- -____-__
1 a STORAGE(TYPJ_
6�
l 1 - _- - CENTERLINE OF SWALE MINIMUM ELEVATION OF TOP OF Q - £ - U
i______-
— i
-__--- DRIVEWAY HEADIIVAI I S EXISTING,R ADWAY C/L OFLO-LL:J
._ fn7-0(9:11)a
I-"C(
'(:C\r11
-------- ----
S-30D ,- S-3 I D 1 - - ---
27D S 29D S 32D S 33D S 34DL 35D Iz _
12 S 24D- =26D I FG t 7
/ o_
S 16D S 17DD S 18D5 19D S 27D S 23D�A.- .--..— _- -- ! S 28D 1 - - - - - -- ----- I - - - - — -- .��` W -�-� ►�
- ��S36D ~ _ c n t
}
-3
to - -- -S 7D . ..
• -�._L - - - o d- Z
}
: I I S-38D Q--
it 1 8 in
•
m in ca6 6
23+00 24+00 25+00 26+00 27+00 28+00 29+00 30+00 31+00 32+00 3 + 022+00 34+00 35+0021+00
Iv
SOUTH SIDE ROADWAY PROFILE 2 WITh FUTURE DRIVES E
HORIZONTAL SCALE: I " = 50' 0
O
VERTICAL SCALE: I " = 5' I U
•
IW i _
21+00 21+50. 22+00 22+50 23+00 23+50 24+00 24+50 25+00 25+50 26+00 26+50 27+00 27+50 28+00 28+50 29+00 29+50 30+00 30+50 31+00 31+50 32+00 32-50 33+00 33+50 34+00 34 ( 35+00
22 I 22
1 CZ
_ -
WATER LEVEL-/MAXIMUM - 1 +
- 1MAXIMUM-ELEVATION-or + -
STORAGE(TYP.) ( 1 CENTERLINE OF SWALE ! MINIMUM ELEVATION OF TOP OF I m Z4v 11 i l i/Nil
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21+00 22+00 23+00 24+00 25+00 26+00 27-x 28+00 29- r., 30+00 31+00 32+00 33+00 34+00 ORt CARou �AP +�,VIRONM g499 \
NAGEI�ENT COMMISSION
OMMY '° '
ISSION •...+..,,.., J
III WATER QUALITY r �`° N". Ga \
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NORTH SIDE ROADWAY PROFILE 2 WITh FUTURE DRIVES
HORIZONTAL SCALE: I" = 50' FINAL D RAWI N G
VERTICAL SCALE: I" = 5' C
—• 5
NOT ISSUED FOR
CONSTRUCTION PROJECT # 090224

SCALE: SEE DRAWING
DRAWN BY:TMM
CHECKED BY: DMC
ISSUED DATE: 5/I I/O9
PLACE SAND FENCE ALONG RAW I ____
c' LINE EXCEPT IN EXISTING YARDS
o OR ACROSS ROADWAYS SOIL DAM OR DRIVEWAY l ='� i — 5
z HEADWALL AS APPLICABLE (TYP.) u h
HOUSE EXISTING PRIOR TO i _
'n DATE OF ORIGINAL SW tii i- -` --
y 1-
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i ' � PERMIT ivd.5W898054 � '-- _ -
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BUILT- UPON AREA DATA TABLE N - _—✓ / /
BUA (SF) \ `
DESIGNATION ON SW DESCRIPTION BASIS OF CALCULATION
APPLICATION FORM INCREMENTAL ACCUMULATED ROADWAY PLAN 2 WITH FUTURE DRIVES y.E I �-
SCALE: I " = 50' ` N
On-Site Streets Roadway 30'Wide x 2,450' Long +720 SF Contingency 74,220 74,220 _
Y `, pry,,pp
Existing Drives on North Side of Road 16 Driveways Surveyed and Measured by CAD Operation 2,580 9 /
d�s � � CQ�OIi �, .
Existing Drives on South Side of Road 2 Driveways Surveyed and Measured by CAD Operation: 1,000 E Lr�r :
.0
( *),-/si. t325 Ovs - '..- '6°�`, G t �rc,�U .m
Existing "Side Road" Intersections within No "Side-Roads" 0 is,, »,.m®•.,..(v.
Project Road RAN on North Side
'Existing "Side-Road" Intersections within 3 "Side-Roads" (Troy, Shelby, & Sea Turtle) Surveyed aid 1 320 NORTH N��q M,
Project Road RAW on South Side Measured by CAD Operations
CAR��IINVIROIVMENTAI
f7er L 17- fie r.. w` ..cp .. Ap :::
�4,640
MANAGEMENT COMMISSION ��,,� 2M
Future Drives on North Side of Road 41 Driveways (for 22 platted lots and 19 assumed lots v,th 10 270
150'width) 240 SF +430 SF Contingency LEGEND DIVISION OE WATER DUALITY
36 Driveways (for 21 platted lots and 15 assumed lots w:h .4 ( ' L
Future Drives on South Side of Road 9,020 DRAINAGE AREA (3.3 ACRES)
50'width) 240 SF +380 SF Contingency •. `
1
;Future "Side Road" Intersections within DISTURBED AREA (I .8 ACRES) . ��
No "Side Roads 0 '` Cp
Q
Project Road RAN on North Side i a jt t r
___._.-___. _ SEDIMENT FENCE ni iii iii
;Future "Side Road" Intersections within 1 "Side-Road" (Oxford) 450 FINAL DRAWING
!Project Road RAN on South Side — _
NOT ISSUED FOR
TOTAL 98,860
CONSTRUCTION PROJECT # 090224

I- _
SCALE: NOT TO SCALE
STORM WATER PLAN NARRATIVE EROSION CONTROL PLAN NARRATIVE
DRAWN BY: TMM
CHECKED BY: DMC
DWQ issued high density SW permit Number 5W8 980504
Modification for this project on April 30, 1999 to the Town of Ocean This project involves the construction of stormwater swales along each 155I1rD DATE: 5/1 l/OL
side of East 3rd Street and East 4th Street Extension. The length of
Isle Beach. The original 3.5 acre project included a 20' wide roadway 12"
the roadway is approximately 2,450' and the swales on each side of Go ww ► —_� _
that connected the existing East 3rd Street on the east end to the the 30' wide roadway will have a top width of 15'. The disturbed area SMOULDER VIGOROUS
existing East 4th Street on the west end. The protect actually (-f1.p ) GRASS COVE
will be less than 2.5 acres. 7' 7' I, 15' 15' 3
constructed included a 20' wide roadway with 5' bike lanes on each (gyp ) ► s (nip ) ► .-. ► VIGOROUS
side. The current project, therefore, represents a renewal (due to a GRASS COVER - I 1
The soils within the swale areas are sand with an estimated infiltration Fool ( ) (SEE GRASSING
I 0-year renewal period) and a modification (since the paved roadway is ���° PtiR L----
capacity in excess of 20 inches/hour. The runoff into the swales will be / NOTES) — --
I O wider than that covered by the original permit). —
stored "in-place" due to the placement of soil dams and driveway I/2" PER FT.
It is noted that the original calculations treated the entire area headwalls. The calculations accompanying the project documents 4.5 a.s I (TYP-) EXISTING PAVEMENT
indicate that due to the very high infiltration rate and method of SOIL DAM DETAIL z
between the right-of-way lines (swales included) as impervious even NOT TO SCALE
though the actual BUA:DA ratio was 0.3 15. This was done because storage, there will be no runoff from the project for storm event
iii
the rainfall would fall directly on the surface of the infiltration swales as events up to a frequency of 25 years. Likewise, since the swales
well as the roadway; hence, the volume of runoff treated does not parallel the roadway, the runoff from the pavement will be directly to
change even though the actual amount of impervious area increases. the infiltration areas; i.e., there will be no runoff conveyance features TYPICAL ROADWAY SECTION Q
for this project. NOT TO SCALE I I/2" WOODEN SLATS WIRED
Further, an additional conservative element was incorporated during TOGETHER SPACED i 1/2"APART.
original design in that the entire I 1/2" rainfall was used as the
treatment volume (i.e., the BMP Manual "Simple Method" was not used This roject drains to Eastern Channel, Old Sound Creek which in turn
I2' MAX w aaaaa�
drain to the Atlantic Intracoastal Waterway (AICW). The stream . .,1 3 ROUND POSTS
to reduce the "runoff" amount). classification for the AICW at this point is SA. N m �,
_I/
The current design with a BUA:DA ratio of 0.G8 incorporates the same J z
conservative elements as the original design. The full I 1/2" rainfall over There are no wetlands within the project boundary. O
W Q Q
the full width of the right-of way (including the roadside swales) is 18' MAX 2' MIN Q z
The primary erosion control measures for this project are sand fences, .� 0-
/
considered the treatment volume. / 4/ 4 MAX I-- J
sediment fences, and vegetative cover. The sand fence will be placed Z L W O
The soils within the swale areas are sand with an estimated infiltration along the alignment of the right-of-way line except in existing yards or IG' MAx
across existing roadways. The sediment fence will be used in locations ' ► = Z L
capacity in excess of 20 inches/hour as established with the original / H W Z U
where the back slope of the swale section will be constructed in fill I .5' EA. SIDE DRIVEWAY SURFACE �- �/
submittal that was subsequently permitted by DWQ. The runoff into the , ,/////�,��//„ ,/.,/,///fl////,/,// Z _J _
swales will be stored "In-place" due to the placement of soil dams and areas. Due to the layout of the project (existing linear roadway with no / O d Q Z [L H-
defined entrance or exit), no construction entrance is proposed. __-..._.___ _SWALE BOTTOM— 1.— Z Q J lv
driveway headwalls. Even though the roadway width has been increased y J
from 20' to 30', the shape and extent of the typical infiltration swale
_ � _ -� O W Q tL O
section remains unchanged. The runoff drainage area is basically the —�� VERTICAL HEADWALLS ��`— C [V 1- Z
same as the original project. The accompanying calculations EROSION CONTROL MAINTENANCE PLAN _ — — — — ` I1J < L Z =
demonstrate that the swales are not onlyadequate to store and 2' MIN BELOW Z Z <C U
q • Immediatelyafter the infiltration swales have been established the TYPICAL DRIVEWAY CROSS SECTION _L_ EXISTING GROUND Z < U -� Z0 W
infiltrate without discharge the runoff from the first I %2" of rainfall but
also are adequate to store and infiltrate without discharge the runoff vegetation will be watered twice weekly if needed until the grass NOT TO SCALE Q C Q
becomes established. W LU �/ d
from the I -year, 24-hour storm, and the runoff from the 25-year, BOTTOM OF SLATS BEDDED 11.1 E`-' m J
• After the infiltration swales have been established, they shall be INTO EXISTING GROUND (� tL1
24 hour storm. inspected within 24 hours after every rainfall event greater than I < Z J f _
This project drains to Eastern Channel,
Old Sound Creek which in turn %2" and otherwise at a frequency not greater than once every 3 SAND FENCE DETAIL Z W Z
drains to the Atlantic Intracoastal Waterway (AICW). The stream W
months. NOT TO SCALE Z
classification for the AICW at this point is SA. CZ
• The drainage area will be carefully managed to reduce the sediment W z U
load to the infiltration swales. O U Ill
c_. O
• Over the life of the project, the vegetation in and around the (n O LU
There are no wetlands within the project boundary. swales will be maintained at a height of approximately C". Li
The Town of Ocean Isle Beach will enact a driveway ordinance to ensure • Trash and debris shall be removed from the area on a regular basis. NOTES -
that over time the required storage volume is maintained as new homes • Areas that become bare, eroded, and or covered with sediment 1 . Install sediment plans at locations shown on the and a
shall immediately be regraded if necessary to establish grades to locations necessary to retain sediment on the construction site. Q
are built along the roadway. The ordinance will contain language with the design values and a new ground cover placed and watered until 2. Fabric shall be at least 95% by weight of polyolefin or polyeste N
the following restrictions: it is established. Lime and fertilizer shall be applied as necessary 0 MAX EXTRA STRENGTH FABRIC certified by the manufacturer or supplier to conform to the
• Maximum driveway width equal to I G'; WITHOUT WIRE FENCE requirements of ASTM D G4G0. Particular characteristics of fabric .,
• Maximum obstruction width within the roadside swale to construct to promote vigorous growth. Removed sediment shall be disposed . r• ►I shall include: a) a minimum grab strength of 90 lbs in both the
8' MAX STANDARD STRENGTH machine and x-machine directions; b) a permittivity of 0.05 sec- I ; WIRE (\
of in a location where it will not cause future impact to the FABRIC WITH WIRE FENCE c) an apparent opening size of O.GO mm; and, ultraviolet stability of N
the driveway equal to 18';
L.
• No culverts or other means of piping or channeling under the infiltration swales or any surface waters. : -1=_ -- -_III
FENCE
STEEL in! 70% after 500 hours of exposure. ' BND COL TRENCH n` Q
• If water stands in the infiltration swales more than five days replace POST =9C -` !"� ' ° '` "U VJ
' PLASTIC OR 3. Filter fabric shall be from a continuous role cut to the length of AND COMPACT
driveway; ___ - _ _= _ _ nn`` �
the top few inches of filter media and revegetate immediately. III _ = N = '" = WIRE TIES the barrier to avoid joints. When joints are necessary, securely STEEL ��) FILTER THOROUGHLY W
• No runoff from the driveway outside the roadside right-of-way shall ___ _ _ _ _ _s
- fasten the filter fabric at a support post with 4' minimum overlap to POST j FABRIC NATURAL
Remove weeds and noxious plants from the infiltration swales at wIRE °! ' _ - = _ c <p
the next post. I GROUND
enter the roadside Swale; and, 1_�M _ _ _ _ _
regular intervals by pulling by hand or by wiping them with pesticide FENCE "`I===-� - = _ _= 1 4,,�` p
• Elevation of the top of the driveway within the roadway right-of-way
to-.� __ _ -"II' = NATURAL 4. Posts shall be of the self-fastener, steel-angle type with a .IJ I I•,-.-� CY)
shall be no lower than the elevation of the roadway center line less (do not spray). $I,i,; ae = _ UPSLOPE = J co
• Do not remove sand fence as these _.3 = �`e ; _- = minimum length of 5' and a weight of I .33 Ib/LF. 4
`, GROUND "-MIN.
5. Wire fence shall be used where post spacing exceeds 6 andlor ., _� ? 4) c%
se will remain in place until such _44 'sT. W ca CO c
t where extra strength fabric is not used. Wire fence shall be N �•1111
0.5'. time as individual lots are developed. Remove sediment fence once - /; \/ FILTER 4.) = LD o
minimum 14 gauge and have a maximum mesh spacing of G". It shall L L
" ;cc. /. .. ��Y,,:-, FABRIC ��..
adjacent areas are stabilized with vegetation. N 8" DOWN * 4" FORWARD extend to the bottom of the trench. -I-1 c (J
ALONG THE TRENCH _ G. Wire or plastic ties used to fasten wire fence and/or filter fabric L n
STORM WATER MAINTENANCE PLAN � to the posts shall have a minimum tensile strength of 50 lbs. 0 o O
ELEVATION 7. Do not attach filter fabric to existing trees.
Maintenance records for this project shall be prepared and kept by the DETAIL (L LL' m z
Town of Ocean Isle Beach staff and will be made available upon request.
The records shall contain: inspection reports; maintenance and repair In in
0
reports; a logof drivewayconstruction relative to width, height, and CONSTRUCTION SEQUENCE SEDIMENT FENCE DE I AIL tCZ co
o
p g
provision for interception of runoff from lot areas; and, other NOT TO SCALE N
documents that will demonstrate a conscientious effort on the part of The Contractor shall notify the NCDENR Land Quality Section, c
a�
the Town to establish and/or maintain the shape and integrity of the Vilmington Regional Office at (9 I 0) 79G 72 15 at least 48 hours prior to
0
swales and dam structures so that the intent of the stormwater plan leginning construction. O
will be accomplished. Particular activities of the maintenance plan shall
include, but not limited to the following:
Clear alignments for all sediment fencing and install sediment fence.
__...... .16,ii
3. Clear alignments for all sand fencingand install sand fence. SEEDING NOTES
• Immediately after the infiltration swales have been established, the g I. ALL AREAS DISTURBED BY CONSTRUCTION ACTIVITIES, AS WELL AS SEVERELY ERODED AREAS,
vegetation will be watered twice weekly If needed until the grass SEEbING MIXTURE SHALL BE STABILIZED BY ESTABLISHING A PERMANENT GRASS COVER. SEEDING MIXTURES SHALL BE
T. Begin grading of stormwater infiltration swales at the lower end of the SELECTED BASED ON THE SOIL TYPE PRESENT, SEASONAL CONDITIONS, AND OTHER FACTORS AFFECTING
becomes established. ?roject (approximate station 34+50). GROWTH. THE FOLLOWING APPLICATION METHODS MAY BE USED AS OUTLINED IN THE DEW EROSION AND
• After the infiltration swales have been established, they shall be
inspected within 24 hours after ever rainfall event reciter than I SEDIMENT CONTROL PLANNING AND DESIGN MANUAL. IT IS RECOMMENDED, i1OWEVER, THAT A
h y g PERMANENT SPECIES RATE (ib/acre) SPECIALIST BE CONSULTED AND SOILS TESTING PERFORMED TO ENSURE DESIRED RESULTS BASED ON , ,, ' 4y)
I/2" and otherwise at a frequency not greater than once every3 5. As grading progresses, construct soil dams at locations shown on the PARTICULAR SITE CONDITIONS.
q Y COASTAL BERMUDAGRASS 50
months.
glans and profile sheets. A. CULTIVATE AREA TO A 5-INCH DEPTH
• The drainage area will be carefully managed to reduce the sediment B. APPLY 4,000 LB/ACRE GROUND AGRICULTURAL LIMESTONE (OR IN ACCORDANCE WITH SOIL - `'' s_ >,
TESTS)
TEMPORARY SPECIES (AS REOD) RATE (lb/acre) • i g
Within two days o completion of grading of a section of stormwater C. APPLY IO-10-10 COMMERCIAL FERTILIZER AT 1 ,000 LB/ACRE (OR IN ACCORDANCE
load to the infiltration swales. WINTER(SEPTEMBER APR/L) WITH SOIL TESTS) n"C, -0
• Over the life of the project, the vegetation in and around the infiltration swales, apply seed, lime, fertilizer, and mulch as presented in • d
ii the 'Gassing Notes". Anchor mulch and irrigate as necessary to provide RYE (GRAIN) 50 D. MULCH WITH GRAIN STRAW AT 3,250 LB/ACRE TO 4,350 LB/ACRE d PPR®V� , ,, ,,., `I,
swales will be maintained at a height of approximately G E. ANCHOR BY TACKING WITH WITH ASPHALT EMULSION, ROVING, NETTING, DR BY CRIMPING WITH a� 'RH CAROLINA ENVIRUNME
• Trash and debris shall be removed from the area on a regular basis. an environment conducive to the rapid establishment of a vigorous grass A MULCH ANCHORING TOOL I�QNgGE NTgL ' a �1 �°SUMMER(MAY-AUGUST) e��Yw MENt
cover. GERMAN MILLET 4O CO "g1551®N
• Areas that become bare, eroded, and or covered with sediment 2. WHEN IT IS NOT POSSIBLE TO ESTABLISH A PERMANENT GRASS COVER IN l REASONABLY SHORT ad'�MIS \.+'h f I i I d B. r
PERIOD OF TIME DUE TO CONDITIONS, A TEMPORARY GRASS COVER SHALL BE SUCH A5 R SHED. THIS DIVISION �F WATER UALIIY 'a tt��ry t '
TEMPORARY COVER SHALL INCLUDE ANNUAL GRASSES OR SMALL GRAINS, A5 RYE GRASS.
Shall immediately be regraded ifnecessary to establish grades to
the design values and a newground cover placed and watered until `� � r
g PERMANENT VEGETATION MUST STILL BE ESTABLISHED. MULCH MUST BE APPLIED WHEN SEASONAL M ` '
CONDITIONS DO NOT ALLOW PERMANENT OR TEMPORARY GRASS ESTABLISHMENT,BUT MUST BE USED {,
It is established. Lime and fertilizer shall be applied as necessary FOR THE SHORTEST PRACTICAL DURATION, AND NOT WHEN PERMANENT OR TEMPORARY VEGETATION Y;',4
to promote vigorous growth. Removed sediment shall be disposed METHODS o .
of in a location where it will not cause future impact to the MAY BE USED. TOPSOIL SHALL BE USED WHEN NECESSARY TO ESTABLISH VEGETATIVE COVER. L., ; L°
infiltration swales or an y surface waters. ��, • C
• If water stands in the infiltration swales more than five days replace 3. IRRIGATE AS NECESSARY TO OPTIMIZE GROWTH. ° I1
the top few inches of filter media and revegetate immediately. GRASSING NOTES
Remove weeds and noxious plants from the infiltration swales at FINAL D RAWI N G
regular intervals by pulling by hand or by wiping them with pesticide ,,,/ MOW 7
NOT ISSUED FOR
(do not spray).
CONSTRUCTION PROJECT # 090224

Revisions
DRIVEWAY ORDINANCE \ ��� - 7/21/98 DRIVEWAY
ADDED
The Town of Ocean Isle Beach shall enact a driveway ordinance which addresses future
connections to 3rd and 4th Street Extension which shall contain language with the _ 71
11/2/98-ORDINANCE REVISED DRIVEWAY
�, >ts� ' ORDNANCE NOTE
following restrictions:
• maximum driveway width equal to 16 feet; '2�
io' iQ' SITE
(T P) ('rCP) gligttLD at • maximum obstruction width within roadside swale to construct driveway equal to •
(��) 18 feet; le �C
• no culverts or other means of piping or channeling under the driveway; Lalic:131\--Cf:\\--'
" ' ` ,., 1,,,- • no runoff from the driveway outside the roadway right-of-way shall enter the 111110177 s- •c PROPOSED PAVEMENT roadside Swale; and,
• elevation of the top of the driveway within the right-of-way shall he no lower than
1 4.5 4.6 i • the elevation of the roadway center-line less 0.5'. in
`/ w„' o ATLANTIC OCEAN
Z
TYPICAL ROADWAY SECTION - �,� 3 VICINITY MAP
0 NOT TO SCALE
W� e O
BENCH MARK INFORMATION N en
DATUM
DATUM NGVD 1929
R/W �REE� o REFERENCE MARK = RM 109
60 S� S oo ELEVATION = 9,18 3 Z
1R J r A CHISLED SQUARE ON THE N.W. CORNER OF A RECTANGULARcc
\ I,S1 0 CONCRETE PAD AT THE SEWER PUMPING STATION LOCATED ON V- o
`I THE SOUTH SIDE OF WEST FIRST STREET AND BEING ACROSS r
CCb FROM PRIVATE DRIVE. Z w T',
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4 pq a
M O
mN a W
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o.
� � W
f E�
o s • 5 'gip;-4 799 92'.-- 41
(� DELTA = 33 22'.14'38" 5 �6 1 w T�'1 L
F' C SILT FENCE (TYP) —_ R _ 5 000 W 1 1 O
cin %)
L = 110.76' T h N
)- N R/W :`+'.' `_-�. ROSE SUBDIVISION `J �.IL.�
<4 El'4 Z Z
s� O. 1Y --" _ ?,.,_ F~j-1 It-1
(Y- " OARS ,,-."---�"- `: _ ++,';_,- ��_� H � - -,- ,, F U
b M P
0. lii
0 15' 6.4
.s.• �,�\ 5 WNO
N U ; ,— •i• - 50 0 \nI
o •• �` 5 0 R/W DELTA = 33 22' 36" VV�5A E�.A 4 W
�' Ul ]C o 4,• `I___- 0 15' p0, �1 T = 200.00'----
SA •R [�, Cn
1�
U-� b O s — '� _ ^• 5 76--- L = 388.63'
PC0A _ 33 STORMWATER PROJECT O1.4
g0. R/ __......-------H., ---
- "� PT ® 212+45.43 35 DEL R = 281 79'35"
o �T ,
_ d ( ' W �� [�F�� T = 84.48' BOUNDARY 1�1 O ��jj
I— C D� i— ..• �' _ — S�, `" L = 164.15' iC-�
soar� • •;, _ H1Ro PC 023+58.76 O .�
O Z ' ��- I ---- R/W PT 0 24+48.99 H c
N - ••� ESA 60. Z., w
0
_ __ - --_
`-- I _ -- 50_44
oN
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'fig pg03e - --\-- _ '-.• 11-+�-�1 O
R/ 1, - BOA •
- _ _ N P TOTAL STORMWATER PROJECT AREA = 3.5 ACRES >i 0 i
"` .._ STORMWATER NOTE: SCAIEMI PUT
W - ROCK CHECK DAMS SHALL REMAIN IN
PLACE TO PROMOTE PONDING FOR STORMWATER INFILTRATION. 0-4
r:4
o • 0)CO
s - BASE INFORMATION PROVIDED BY FOR SEDIMENTATION AND EROSION CONTROL
v JAN DALE, RLs, SHALLbTTE, NC SEE PLANS BY THIS OFFICE TITLED �'cv
"SEDIMENTATION AND EROSION CONTROL'PLANS t4 cv o
FOR THIRD AND FOURTH STREET EXTENSION, 0 --i as
TOWN OF OCEAN ISLE BEACH", DATED 4/23/98. o o
ZI 11.4
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t U I
NVETI,ANUS NO'I'I APPROVED 1 � ' ,��,4,
NORTH CAROLINA ENVIRONMENTAL I N
I"hc're .ire no areas vv'Ithin the s((trnlwater project h0tlllll,lr�' ��11i�'h n1c'et all tllr�'c criteria for aMANAGEMENT COMMISSION 0 •
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jurisdICtiun,ll \Actlalld. DIVISION OF WATER QUALITY
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Date APR i q •''`r"`� p..4 rn O
PROFILE q� , a . •�
Stormwater Permit No. � 0 0
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Date: 5/18/98- _ - +- -, , ;
O O O O O O O O O O O O O O O O O O O O O O O O OL
RWATER
O O O CD O O O O O Q O O 0 O O O O O O O O O O O O Drawn By: JMM
+ + + + + + + + + + + + + + + + + + + + + + + + + Checked By:ACL/DMA
O 1--1 C•2 CO d1 LC) CO N CO O .--I CV O 1—I CO d' to co N tip rn 1-1 ,1-1 ,r.i .—I ' I e-1 .—'I .1 .-a IV Cat C•2 CV lECEIVE
NOV 3 01998 r -9
STATION (ft.) D E )'1 '
SCALE: FROJ # SWeq% 11-1c,o _
Horiz: 1" = 100' <(,(a t " h0
Vert: 1" = 5 $N ., sl
in'1�9 7Ji, I i .a`a Kr�Rm'1lkri�1iA\ l
Sheet 1 of 2
This drawing shall not be reproduced in -
whole or in port without written permission
of Eost Coast Engineering Company, P.A. ECEC PROJECT NO. 98-0197

Revisions
VIGOROUS STAND OF
BERMUDA GRASS SHALL \ \ /
COVER BANKS OF SWALE a \` ,. '`
A_._______ ;,;• fill,:
I
MENT AND EROSION CONTROL NARRATIVE 50,mitt-:l )RI:: ::RI :NGL
• 1.0; \ : 1.0
♦ w W
4.5 \ 4.5
•
MIN WIDTH = 15'
The Town of Ocean Isle Beach plans to construct a roadway which will connect. the east end of the paved ^ t � t ''„
section of 3rd Street to the west end of the paved section of 4th Street. The new paved section of roadway �« +
will be constructed within a 60-toot right-of-way and shall be approximately 2440 feet long. The total 0 ABC STONE r� 2 K ' y ROADSIDE SWALE DETAIL
N r
stormwater project area and total disturbed area will be approximately 3.5 acres. The total built-upon area �' , � ; >' fy s 6" NO
will he approximately 1.12 acres. An existing soil roadway runs from station 0+00 to approximate station <xh Y : ' 2Y ,
T TO SCALE
17+00. t Z
B. SOILS AND TERRAIN ,., CD FBI
Soils investigations were perturmed by Land Management Group, Wilmington. NC and by East Coast rn
Engineering Company, P.A. r(summary of the results of these investigations are presented on Sheet # 2 Z.
of this project. As documented by the soils investigation findings. the soils have a permeability of greater PLAN VIEW ROADSIDE SWALE Qio HYDROLOGY& HYDRAULICS DATA F-+ Q�
than 20 inches per hour and a deep water table. __- r r 1 Z
NIT
STATION AVERAGE FLOW M a
he terrain is relatively flat from station 0+00 to 15+00 and rolling (sand dunes) from station 15+00 toBEGIN END SLOPE Q10 (cfs) DEPTH (ft) VEL. (fps) W
0.0013 0.5 0.43 0.6 ►/< O
C. ADJACENT PROPERTY
4
50' MIN 200 300 i 0.0050 0.3 0.27 0.91
EXISTING [ 6" DIVERSION TO DIRECT RUNOFF FROM R/W 300 600 i 0.0057 0.9 0.4 1.25E-4 ffiT4 ri
The property to the north and south of the project is owned by Odell Williamson. STREET
600 800 + 0 0057 0.6 0_35 1'09 11��..�I
4.1
Fri
T 1"�1 V L
D. STORMWATER MANAGEMENT MEASURES 800 900 . 0 0023 0.3 0.30 0.74
SECTION VIEW 900 1200 0.00234.I0.9 . 0.47 0.91 W O,
Due to the presence of deep sands with rapid permeability surrounded this project. runoff 1 zoo 1500 0.0023 o_s 0.47 0.91 C ry O
to surface waters will be infrequent. Runoff that does occur to the extent of entering
}- M�+„�
surface waters will drain to Eastern Channel of Old Sound Creek and thence to the Atlantic 1 500 1 aoo 0.0013 o.s 0 52 0.74
'.'E( E...4 Z
1800 2100 0.0013 0.9 0.52 0.74
SA, - CONSTRUC I TO ENTRANCE DETAIL -- ---- - - '
Intracoastal Waterway. Due to the fact that the waterway is classified the stormwater
treatment features for this project must handle the runoff from the first I. inches of 2100 2400 0.0013 I 0.9 0.52 o.7a
rainfall. e}.., lrT,1
NOTE Flow depth and velocity is based on Manning .'s C value of 0 30 I�1 �1
The roadway constructed during the performance of this project will have `ribbon" T � wI
pavement (no curb and gutter or other stormwater collection devices) and roadside swales. W
The swales will serve as infiltration basins. As mentioned in the "Soils and Terrain" �Ny
paragraph above, the soils have permeability and depth to water table (see -SoilsE-+ W
Investigations Summary", this sheet) which make them suitable to serve as infiltration w
O � �
basins. Located within the swales will be stone check dams which, in addition to serving
as sediment control devices, will serve as dams to promote the storage and infiltration of , I�
runoff. O
EROSION CONTROL GENERAL NOTES M� Z
It is East Coast Engineering Company's opinion that runoff from the first 1.5 inches of
rainfall will be insignificant for the surrounding areas of this project due to the type soils TOP ELEVATION OF STORMWATER );X j 12 1. All Construction activities in North Carolina shall be performed in compliance with theHI Cki and terrain. Therefore the drainage basin for the roadside swales is limited to the road ; -_ :~•!•�+:.�;3� Sedimentation Pollution Control Act of 1973. (/ i
2
surface, the shoulders and the Swale surface itself. ' ,.„,,,,,,...... . ),,,„--7--';,,-;--.---,..,.. % iiO4 4 0
•' \ `•\` 1T, - e� Z�.iis'�1 ti ,1 MAX. r." Q O
• .Fly./ :•%/:: er errs J
C\jC�\ ___ _ tt57 CLEAN > WAtti4����'•��� r 2. All land disturbing activity is to be planned and conducted to limit exposure to the shortest feasible
E. EROSION CONTROL MEASURES lvi i Ia•\•\. ,>,...,,.,:,,•-, \\/\F WASHED STONE ��,� �Zg;. .!�^l�/��-r�!�� time.
CHANNEL SLOPE •'�::',\\:V:�C :.,,- - % i%�T"yADA11./...wt1.-40,. e� F-'4
/,.Fj/„\;`1/\\\f\\\\\�\�'•\�\\\'t\\'�\Ns\F�ti t\�ti..\\.����Jl F�:�fJ\�\ti:•.\r\
Much of the area within the proposed right-of-way is already cleared. The extent of �,rf CLASS 1 3. All construction sites and severely eroded areas shall be stabilized by a permanent ground cover.
clearing and grubbing will be limited to the removal of relatively small areas of large brush. RIP-RAP
Due to the texture of the soils, even denuded areas will produce little runoff and transport CHANNEL SLOPE b'MIN. 4. Over the life of the project, the Owner shall make periodic inspections to evaluate the success in
4- P J P P
of soil particles. controlling erosion of soils to off-site areas. If areas are found where erosion is taking place; the
Owner shall take the necessary measures to remedy the situation.
Erosion control measures will consist of stone check dams, silt fencing, and a construction SECTION VIEW
entrance.
EXISTING S,',OPES
CONSTRUCTION SEQUENCE Z
10' MIN. ,V
_f_ s\\`� . ''::'
',,•%' F •r 1. Obtain approval-of the Erosion Control Plan from NCDEHNR - Land Quality Section.
c4
12" 2. Install construction entrance and silt fencing.
< (7)
3. Clear right-of-way where vegetation will obstruct work activities. • CYJ C.0
Qi >>�':..•;••.'..:.:.:. . . . . . . ... .."f\. N57 CLEAN
[Ti 4ett in t7Q
9 ; %r',:'' 'r':�`` WASHED STONE it C\2
4. Perform rough grading.
j SOILS INVESTIGATIONS SUMMARY I� `'\"'f"` 74 C\2
",;: 5. Install check dams. O
SEASONAL WATER FRONT VIEW 6. Perform tine grading. .�
TABLE DEPTH(in.)BELOW: n 0 O
BORE HOLE DEPTH DESCRIPTION EXISTING PROPOSED PERMEABILITY 7. Place base material and pave roadway. .-t Ill• 0
STATION (inches) COLOR Tt7(1URE GRADE SWALE (in/hr) C�
•
0+53 TYPICAL nANI ' �"� U , co
72+ 48+ NO"I' 'I'O SCALE 8. Seed and mulch shoulders and all other denuded areas within 15 days after finish grades are established. W d+
6 to 72 light orange/yellow sand 20 - 1
9. Request final approval with the,Erosion Control Engineer.
4+10 72+ 36+ r
OTC
6 to 72 light orange/yellow sand 20 + `u` Z Cn
y
V 1
7+68 72+ 48+ •....1
6 to 72 light orange/yellow sand 20 - - STEEL OR WOOD POST4le O
•
= S (SEE NOTE a 6.)
1 t+Oil 72+ 42+ WOVEN WIRE FENCING AS REO'RD CO
(SEE NOTE a 6.) i O OCO
6 to 72 • light orange/yellow sand 20 -
4
✓1
SILT FENCE FABRIC 1 !f� l�
- 12"STAY ! `�/
SPACING
14+00 105 74 _ A �_ �(TYPICALI
6 to 100 light gray sand 2 0- I = FILL SLOPE - - r
�i _
= SEEDING SCHEDULE
16+00 130 6 7 " z I / 4+0::17+.'++.k2•*':�+**++':ti'.�..-,. oY + '- /'�
0 to 28 light yellow/brown sand 20. I = g MIN. 10 GA.uNE . •4. �4+*+;:;:;+*+* + +*+ oo*'`!o°'t° = 1. All disturbed areas due to construction and any severely eroded areas shall be stabilized by a permanent �,J 1
• 1 t �w+•+.rL+.+"+,++.+.+,+.r.r..,+:4.A..+!x+!w+ 'w!OwA�,r +° ag.++w!+ =
2s to 30 yellow/brown brown (fill) SC SL _ ! WIRES =,*+:44 *:4•W +°++„ +, �s .' + ,r*3+ + _ grass cover. The seed species shall be selected based on the type soil present, seasonal conditions and
'llet ,
_ =E-t``st,«+;*.4«r+.t.+:`++.0.+:*.-4 tr 4�iA _ other considerations. As an alternative, the contractor may use the methods and schedules shown
30 to 130 light gray sand 120,
4 iEx, fi+itw*i!+f++rat"+4+A++4 +*+!++t!++.+J. tNrD��t ' =
J. - -+ bi • .,*' ma's, 4r _ below;however, it is recommended that a specialist be consulted with attention given to site specific
\\`-\\` 6"MIN.COMPACTED FILL OVER SKRT' 1 =++i4`:47.10's`41 i+i+°+±P+f.04*i+t+:44v++++:44 I%+ +++�+y+0 i�yiQ+9++�+'�+�"P,t.. fir++ conditions. r+�
18'+00 7 O 4 6 %yF .ti*+. 44tiA.+hr+1.r+ :14+++++*.At .ri,.. +d + .+.+.+.++e..t;+.4.v.t4 +e..+.4 -
e, p .i\)i^„ ANCHOR SKIRT WITH MIN 4"LON(WIRE STAPLES @ 12"U.C. , '+'+'+.+'Oa+:*,'Vifr4<i+.'.«+ +��++d�as4+«OM1i�++t++++'t +.+a+-++++44+,44 *O04,... °i*0.4e,0i*,,,k4*i+
W O \\ \ E.
♦ \ `=►+i++r+++°r*i*±�i+0i ii*++a i i4*i*+..i*%+p>ra�+0+°t*t+ '�+n*`+a e+a+a+ih+t ++�+y+*i�%+�+,*,a fir++�+++++�++1= GRADE
10 to 60 light gray sand i 20,- . ;•;-- \\e
. ... .._ . I O 'Fir•iF =�i,�i = ++i'°�++*+*+++i>*O,+p+Oi+++r°O ti++*a i ram++47+++++ r*yr+++++++1i,f+++O,+,+++++,a�+;+++°++++,Oah
__. ... . ..-. +a ++ �+O r+ r+++r+t++ r . .rr rr+ +Ors 3t s �++++r+ ++rr
- _,.. . . 3 ,�\\.\,-- =+4 o*+++*r�o+++++r*r*i+4+,+rr+rr+ +++,$**+*or r+O++, $$$$$$$$:+�;++++r++oo;.*+:** - a.. Cultivate area to a depth h of 5 inches.- It-Pb"`
60 to 75 pale brown sand 15 to 18 +.+ri.+,r.+.+.♦eri++ +.rr.+.++++++ +rr++ + .++r+ +.+S.r +r++++O+w++r++ +rr+,+.+*+,+?= P. .... '-_- --. .e.. + Y+ r.+.+.+.+.+4s*a.�+aii+++r.�+�.+i.+I+.+.r:+♦ .. ...........aaa�aa�+'aa.,.'. ....-�
--_-- - ' - -- •- - _ - iv P7 *FOR REPAIR OF SILT FENCE FAILURES, /ir�iF/=//i//i/�i'/i/i a ji/r , ; , , - ,r.';/.�f/.�f/F.r..'•.',/.,/�,f/./�.�/.//.r,�F.��.�;,.;>_%�f` b. Apply agricultural lime at the rate of 4000 pounds per acre.
7 5-8 2 brown sand 15 to 18 H/Z,rtr, USE N57 WASHED STONE IN LIEU OF .¢J t' ((f�\ljf lj\/!%� li\i,\Jj�fj t I� Z1;1//j\%j Jj\l(%j\lj/f f5 \'�j!\�'f!j\�'\\ff\,�/\\�\\1j.�\1\\���t t,g la
t\
-----=iy; \\\\\\�.�;"`r1` CO MPACTED FILL i\f=�1\I�\/�\�\\7>\7>\\,\\�x`i�\\\�\\�\\�\\�O�\\`•\\�\\t\�•\\)y kt•R\��\\\�}\jti\j\\mow\�1\\\iy\)\4•\\j}\�i `.,��=;,:%' c. Apply 10-20-20 commercial fertilizer at the rate of 500 pounds per acre.
{/iF,/i./..
, ille
20+oa 95 70 d. Sow grass seed at the following rates per acre:
2 \ Common Bermudagrass
1 to 82 pale brown sand , ' 0- . t,, 1'. \\�``/ p
>\�Cf< ;r� -;7, unhulled 25 pounds
hulled 12
unds .
SIDE VIEW FRONT VIEW Pensacola Bahiagrass .... 50 o
22+00 13O 61 pounds •4 to 130 l pale brown sand
20. Korean Lespedeza 25 pounds
Tall Fescue 30 pounds Dote: 4/21/98
24+00 1 25 74 e. Mulch with straw at the rate of 3250 to 4350 pounds per acre scale: o-r•`-'
•
0 to 130 pale brown I sand 2 0-
2. Where it is not possible to establish a permanent grass cover in a reasonably short period of time due Drawn By: JMM/ACL
1. Install silt fences as shown on drawing and at locations necessary to control siltation of adjacent areas to seasonal considerations, a temporary grass cover shall be established. The temporary cover shall Checked By: DMA
2 Where wood posts are used,they shaft be a minimum of 3"in diameter and 6'in length.Posts shall be creosote or pentachloropenol treated include the planting of annual grasses or small grains such as rye grass. Temporary covers shall not
NOTES. 1 Borings and evaluations from stations 0+53 to 11+00 were performed by Donald M.Covrl. P.£. on 4/16/98. southern pine.
2. Borings and evaluations from stations 14r00 to 24+00 were performed by Craig Turner, Certified Sod Scientist. on 5J7;98 3 Where steel posts are used,they Sail be 5'ci Length and be of the self fastener angle type eliminate the requirement for permanent grass cover. Where the season or other conditions are not
4 Woven wire fencing,where requmil(see Note#6),shall conform to ASTM Al 16 for class 3 galvanizing. Fabric shall be a minimum of 32' suitable for growing a temporary erosion resistant cover, mulch may be applied;however. mulch Used 3 'Boring Depth' is depth below existing grade. wide and nave a minimum of 6 lint wires with 12"stay spacing The top and bottom wires chat tie 10 gauge,and intermediate wires shall be
12"1J2 gauge Wire fabric shall betastened to wood with not less than au staples 1 1/2"longalone shall be for the shortest timepractical. A temporary orpermanent vegetative cover shall be .,t" > y
2 The bottom of the Swale at station 16+00 writ be approximately 5 feet below existing g` g postsI Po y '
app cry g grade,therefore.the SCuSL horizon 5 Filter fabric shall be of nylon,polyster.propylene or ethylene yarn with Inir1In1U111 strength of 30 lb/lin in,and a minimum 85% littering established as soon as conditions are favorable. * q,
will be cut. The swale will be constructed in light gray sand. efficiency Fabric shall contain ufleviolet inhibitors and stabilizers. p
�,
6 If filler fabric is used with a strength of 50 lb/pin in.or greater,inn the post spacing IS)does not exceed 6',woven wire fencing is not 4,`
required Otherwise,woven wire fancing is required,and post spacing shall riot exceed 8' 3. Topsoil shall be used over unfavorable soil conditions for successful establishment of vegetative i a
cover. 4•ZS 7 .: (.
S"IANDARD'TEMPORARY SILT FENCE NOT'1'0 SCALE
4. Irrigate as necessary to optimize plant growth.
XY"`
Sheet 2 of 2
This drawing shall not be reproduced in .
ECEC PROJECT NO. 98-0197
whole or in part without written permission
of East Coast Engineering Company, P.A. '