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HomeMy WebLinkAbout141-10 OVERSIZE STORMWATER PLANSBIG 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