141-10 OVERSIZE STORMWATER PLANS

BIG DAMS CANAL
------TOPSOIL (SEE LANDSCAPE PLAN) 58.37 ACRES
P/O PARCEL 234NGOOICO
-
_ — V of BACKFILL WITH SUITABLE _ MARSH AREA
EXCAVATED MATERIAL OR
SELECT FILL IF ORDERED \\ I // _
BY ENGINEER ----- NOR LLJ (1) Lu
2' Lu
MATERIAL
TO BE
IN B THOROUGHLY OR !2'LIFTSOR -M,�_L _H>`G_ �/ Q
(TYP`) AS TIIRFCTECI BY FNGINEER. (TYP.) 3 4652" \\ \\ I // W � TER ,
�U '1
_-12" PERFORATED HDPF PIPE
-- - --ENTIRE 2' X 2 CRENCH TO BE WRAPPED
IN FILTER r U _TER FABRI_ ?_I SITE Q
\ C
3/4" CLEAN CRUSHFn STONE BEDDING (TYP.) WEST DOLPHIN DR C
30_;yEGETg TI t/ c'
E
z Y- Z BUFFED WEST BEACH DRIVE.
FIA HEq GGED H? - a rLANTIc OCEAN
TYPICAL STORM TRENCH DETAIL \\I// \�'�� _, �\I/� �aNUA1�YR cc �Ts
NOT TO SCALE 0, 2010
' � � \\ I /� WcrNerY MAP
-__ (NOT TO SCALE)
.36 In. min, ,R� �,E _
REE14W lour ourc 1R41E
fence post "E
11 1/2' ORATE e R-4M-M OR EGUNAIEAf
JR -`` ---- 75'�AEC _ - uNE
length fenr,.�a post,20 In _�, ,o' S89 2852 _
Geotextide cuss cahove. ground IRS - NQTES
Lujti. y 7 0' 1. ALL DISTANCES SHOWN ARE HORIZONTAL
F filter Clow'w... b
5 O GROUND DISTANCES IN U.S. SURVEY FEET
2: COORDINATES OBTAINED FROM NC VRS.
/-SEE PA,Rc/cac e�,�e e A e rtAs®� 3: PARCEL #234NB01707
• T• .: A< WETLAND ` �� CAR® �� 4 THAT THE SURVEY IS OF AN EXISTING
®. s •ese �� PARCEL OR PARCELS OF LAND;
�' s
fence poe# driven - :.• ( AREA 2 I ,�•`��•epFE ,� % 5: PROPERTY ADDRESS IS:
embeded postand filter Cloth 16 In, Into ground iltl _ I 4 �� \\ // �32 �_ L33 706 WEST DOLPHIN DRIVE.
- S E OAK ISLAND, NC 28465
a min. of 8 In. _4• emm ouRE1 !
vertically Into, _ _ I ��� ( e
NI �� v+ lq���
ground s1oRGROM u cawaFclrou Pi I / I O e • ti SUR��A,e 4;
STANDARD SILT FEN�'F
FM WE : „ i O 's +►ssree ,�,` ®REFERENCES
SEG7ION MEIN r- I
No Seale � N I I4.231 � r ��a�R:� BR���` (DRUNSWICK COUNTY REGISTER OF DEEDS)
cn I 1. DEED BOOK 1350,_PACE 756
I r O 2. MAP BOOK 2. ,5, PAGE 264
LOT 4&5 li IN I N
TRENCH DRAIN DETAIL PARCEL 234NB01706 Ilir- j2.53'1 INOT TO SQU� ROPOSED SIL7� FEN _ ND
(SEE DETAIL)
N F I ) I IPF IRON PIPE FOUND
DANIEL SUGGS III /t I W LOT 2 I IRF IRON ROD FOUND
WETLANL BOUNDARY DELINEA ►ED BY I \� /� 1 PARCEL 234NBO1705 IRS IRON ROD SET
I ATLANTIC .SFIG)RES ENVIRC}NIVIf:NTAL Q I /�`��' 14.011 I o PKF PK NAIL FOUND
/�/F I PKS PK NAIL SET
154 BACKHOF ROAD - LELAND, NC 28451 O
i
910-371-59f30 - CMr?(?DYOArLANnCSHnRESFN ►RONMENTALCOM MNF MAC NAIL FOUND 0 i �- RANDELL �OHNSON MNS MAC NAIL SET
THIS CERTIFIES THAT THIS COPY OF THIS PLAT ACC(!PI POINT OF INTERSECTION
PROPOSED 160 LF RATFLY DEPICTS THE BOUNDARY OF THE OF
JURISDICTION OF SECTION 404 OF THE CLEAN WATER ACT AS DETERMINED BY THE UNDERSIGNED i ^ / TLAND 3N 2' x 2' STONE TRENCH O R/W RICH T-OF- WAY
ON THIS DATE. UNLESS THERE IS A CHANGE IN THE LAW OR OUR PUBLISHED REGULATIONS, VV WITH PERFORATED 12" I O CIL CENTERLINE
E , 92'r HDPE PIPE IN FILTER
THIS DETERMINATION OF SECTION 404 JURISDICTION MAY BE RFLIED UPON FOR A PERIOD NOT TO i FABRIC (SEE DETAIL) Z P/L PROPERTY LINE
FXCFED FIVE YFAPS FROM THIS DATE. THIS DETERMINATION WAS MADE UTILIZING 1987 CORPS AREA 1 ^ �LQD o I � �F GROUND ELEVATION
NOW
OR FORMERLY
OF ENGINEERS WETI_ANP I)FLINFAnnnl MANUAL GRO
z Q T O c I"ONCRETE
RFGUL.ATORY OFFICIAL:.. _ . ........ J 6 �V J �,1 1 1 13.52'1 IJ F3.25 I DECKING
GRAVEL
TIRE: _ _._ ,_: _.. _ . • _. _._ _ . _ _ .... _ . _ _ . , O h 8 Dec* PROPOSED ROOF LEADERS
O 13.68'1 TO CONNECT TO SUBSuRF CE
DATE.- FILL AREA STONE TRENCH SYSTEM
USACE ACTION ID; .�—_.._..:.._ r..... WETLAND IMPACT — DISSETBACKS
I
� �r �2 V i , I PROPOSED UMIT OF TUR NCE -
2275 SQ.FT. II --� �\, APPROXIAMTELY 7,200 Sr ZCINING=OK--R''-6
Calculations for Roof Runoff ��) Q FRONT=25'
��� % ROOF DRAINAGE �/ I REAR=20'
House Roof Area = 2900 sf total AREA SIDES=8'
1, 5in x 2900 s f / 12 = 362.5 cf MAY NARY
,Stone Pipe Trench Size F y,
r \ �-
- I •L
Total Volume -= Volume of Pipe + Valor-,-�F 5torie Ica I � ' Pc�r4h
-- FEMA --�
\� OCEAN ERODIBLE 4.j C� FIRM: 3720205600 1
-- --------------- __ r.
Volume of Pipe = 12" HOPE Area x 180 If = 141.3 cf----------------- I--r `; 1--------------- -----* act--_ EFFECTIVE DATE JUNE 2, 2006
AEC LIMITS
ZONES: AE-15
Volume of Stone = (2' x 2' - 12' HOPF A-1) x 180 If x 0.4 = 231.5 cf �2
{3.46'1 LLJ
Total Volume= 372.8 cf I'r �" oo I 9'1 00^
O d DISTANCE TO STATIC
IIh �13.73 LINE VEGETATION OCEAN OETLAND AREA 1
Calculations for Driveway Ponoff � ( 3,608 SQ. FT.
AE-15 _� irw i o SIDE) 445' I O,a83 ACRES
Driveway Area `= 82,5 sf total VE-16 ( IN -„ O
t JI L� O —'-- ----- 9�6DS(?R�A
1.5in x 825 sf 12 = 103.1 r:'f �- �� 1
\`L '+— ' : ©1 _ 0.090 AREAS
Stone Pipe Trench Size o /
Total Volume = Volume of Pipe '+ Volume of Stone 0 ,
Volume of Pipe = 12" HOPE Area x 50 If = 39.3 cf PROPOSED 50 LF of � I APPROXIMATE COASTAL. WETLAND
2' X 2' STONE TREH BOUNDARY !S AT THE PROPERTY LINE
KITH PERFORATED 12 f
Volume of Stone = (2' x 2 12 HOPE Area) x _50 If x 0.4 = 64.3 cf CV HOPE PIPE IN FILTER o COATS DELINEATION
PER HEATHER CC'
FABRIC (SEE DETAIL)
Toted Volume -- 10,3.6 cf ON 1ANUARY 20, 2010
I RF I4.34'1 .23'1 IRE
G
75. 0 0' N 8 9 °2 8 ' '`-2 "Wo AREA
Y DRA►NAGF
`form Management o - AREJ1 -LOT AREA
9 � ,. , :. 0.482 ACRES
21,000 SQL FT,
Impervious Areas.
WE
residence 2900 sf SCALE: 1®' = 3'
' drive 2,120 sf WEST D— OLPHIN DRI E15
-- — — — — — - -
I I CIL 60 PUBLIC R/�4/ MN - n sb 90
Total imperV101JS Areas: 5,020 sf DATE REI?SION INI71AL
T —se-4
!` PROJECT #: 2009094
Non—ImpreviouS' Areas: 3115110 Added storm water management details to plans jrb D& STORMWAT� R CONTROL SURVEYED BY. DMIN
s u ry e y i n g plic Ci ' DRAWN BY: DMW
and erosion control pions CHECKED BY. JRB
1.�, 980 sf inclines wetlands :-� ' LOT 3 1/2 4 BLOCK 72 WEST !.
16,000 sf non --Impervious area 5008 EAST OAK ISLAND DRIVE, SUITE 1 ONG BAH FILE: 2009094-CS
from R/W to proposed silt fence OAK ISLAND, NORTH CAROLINA 28465 F SHEET: 1 of 2
5,000 sf beyond silt fence
TEL. - 910.278.9415 FAX - 866-941.9912 HOWARU FRAZIER
7,200 sf of disturbance- area SCALE: 1" = 30' DATE. 03-24--2010
E-MAIL : DAN®DSLANDSURVEY,COM SMITHOLLE TOWNSHIP BRUNSH11-K Crn.INTY NORTH C.AROLINA FIRM #: P-0597