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Home My WebLink About20070676 Ver 1_Site Plan_2007041616 15 14 13 A EXCA VA TION A ILL ONE OA LL F 2-4949 NI~rE.• )TE. rHE nArA G THE DATA GIVEN ON THIS PLAN IS BELIEVED 1 ro eE ~ccc GUARANl'E~'L TO BE ACCURATE, BUT THE ACCURACY IS NOT GUARANTEED. CONTRACTORS ARE RESP:ONSIBLE° ~oR rNE v~ FOR THEE' VERIFICATION OF ALL DIMENSIONS, R rY~•~,Sr AND PRIOR ro TYPES, AND LOCATIONS OF EXISTING UTILITIES PRIOR TO .E"XCA NATION AND CONSTRUCTION. IF I ANY D/SGR~' ANY DISCREPANCIES ARE FOUND, WORK SHALL ~~'AS~' P£NL WORK MAY cFAS£ PENDING NOTIFICATION OF ENGINEER. WORK MAY CONTINUE UPON NOTICE FROM CL 6' WIDE, 1'DEEP, 3:1 SLOPE £NG/NEER, ENGINEER, DRAINAGE EASEMENT ACCESS EASEMENT DRAINAGE AREA 1 DRAINAGE AREA 2 BOUNDARY SWALE ~ DRAINAGE EASEMENT RIP-RAP w STRAW AND HEAVILY SEED C~ ALL SWALE BANKS E' ~91.a' ° cL R CL (E) ROADSIDE SWALE w No-r~: 30.0' UI EXISTING PROPERTY TOPOGRAPHY INDICATES DRAINAGE PA7lERNS AWAY r t ~ I _ 2' X6.0' 2' FROM NC12 TOWARDS THE EAST 20.0 2' 2 2 5 RE: PLAN RE: PLAN RE: PLAN RE: PLA( Ya" /FT ~»~~T y i 3'• E: PLAN RE. PLAN GL SWALE ELEVATION ~ RE. RE: PLAN VIEW 5--A (BOTTOM OF RIP-RAP} " R!P-RAP OVERFLOW ELEVATION = Rf JION = RE: PLAN VIEW 5-A 4 3' S C Op E f~Y SWAL ~ ~auND ~ } L ~ ROADS _ (E) ROADSIDE SWALE ~ ~ RE: PLAN 5-~ G GRADE ~ , CN EXISTIN MAT 80TTOM c OF WID ,r L fi E, 1 DEEP, PLAN 5--A FOR EXISTING GRADE 3:1 SLOPE BOUNDARY SWALE _ p RiP RA .~.x..:~ ~ •in sl. lew A~.•Ai'. ~ _ BOTTOM OF ALL SWAIES ARE TO BE BOTTOM OF ALL SWALES ARE TO BE D LINED WITH 4" MIN. OF CLEAN SAND PREPARED, GRADED OR DENSE VEGETATION~TYP LiNEp WITH 4" MINIMUM GLEAN SAND OR DENSE VEGETATlON~TYP SEE SPOT GRADES FOR ELEV & COMPACTED SUBGRADES SYNTHETIC FILTER FABRIC BOTTOM OF ALL SWALES ARE TO BE PER 6.41 OF THE NORTH CAROLINA 8" AGGREGATE BASE COURSE LINED WITH 4 MINIMUM CLEAN SAND OR D NS V ATiO ~ DEPARTMENT OF ENVIRONMENTAL E E EGET N 7YP AND NATURAL RESOURCES EROSION AND SEDIMENT CONTROL FIELD MANUAL AL SECTION 14-D TYPICAL CROSS SECTION NOT TO SCALE RIP-RAP ALE SW t~UTI.ET NQ'T T~ SCALE DRAINAGE AREA ~ DRAINAGE AREA 2 80' DfAMETER EMERGENCY -•r~--- ~---r.- TURNAROUND GRAVEL ~ ) 2' SHOULDER RE: PLAN FOR ~P} GRADES DRAINAGE EASEMENT ACCESS EASEMENT DRAINAGE AREA 1 DRAWAGE AREA 2 MATCH EXlST1NG r" DRAINAGE A E SEMEN T WETLANDS GRADE FT 4 4 ~ j r ' ' .~,...1~ I I--- RR EPARED GRADED I I ' rr " rrt a+ ~ coMPACTEa su~GRAOEs IN AUTHORIZED AREAS ONLY STRAW AND HEAVILY SEED D ALL SWALE BANKS Q "r 8 AGGREGATE BASF COURSE ~9~.Q~ [K C3~ W ~ ~'11/C~~? fYiG'AT("'~ TT T1~ TAT A i? I"1T ThTTI ('!T3 A Tl~1lT('! T1CT A TT NoTE: ~U•~ J L1Y1L1\~l Ll~~l 1 Vl\1\171\1l V1VL Vl\t'1LLL9V LLi1 f1lL V} EXISTING PRaPERTY TQPaGRAPHY NOT TO SCALE INDICATES DRAINAGE PATTERNS AWAY a ~ , , , , FRpM NC12 TaWARDS THE EAST ~~.~1 2' 6.0' c~ 2' ~ :PLAN .PLAN RE. ~ RE. P LR LAN E: PLAN RE: PLAN 4 FT » ~ 4 ~ Y4"~FT ~3. ENGINEER SEAL ~ ~ ~ ~ a / ~ / 5 flip / / / / ~ ~ ~ ~ ~OpF _ BOUND RY SWALE ~..~~~„L ~ ~ t SH WT ~ 1.5 M!N (MATCH EXISTING GRADE) `~,'~~.,~CAR~<~~%~ ..o ESSfo;~!y~.. Q_.~.....__ _ 1 5 PIPE CULVERT SEAL e - 24740 y. IN WAY a~ SEPTiC IN5TALLATlaN. INLET/aUTLET PRaTECTiaN Ta Fti ~R,,: caN~aRM Ta SECTIaN s.a~~ o~ rI~E NaRTM CAROLINA BOTTOM OF ALL SWALES ARE TO BE~~~`;K"N P • ~ ~ ' ~ ~ ~ 1 ~ N N R LINED WITH 4" MINIMUM CLERN SAND ~~iy~~~~~~~~~~i~p P.O. BOX OR DENSE VEGETATION~TYP KITTY HAWK, NORTH C PROJECT NUMBER OFFICE: (252) 26 I R I N Gf RE* BOX 466 DEPARTMENT aE ENVIRaNMENTAI PREPARED GRADED AND NATURAL RESOURCES EROSIaN QRTH CAROLINA 27949 ~C COMPACTED SUBGRADES AND SEDIMENT CONTROL YIELD (252) 261--8253 MANUALNTYP 8" AGE RELATE BASE CURSE 052274 FAX: (252) 26 PROJECT CONTACTS: e-mail: houseeng ASA H. GRAY III PROPOSED STORMWATER MAI CoP~G~ ~ CEDAR HAMMO THIS DOCUMENT IS THE PROPERTY OF (252) 261--3283 )u seen g 0ea rth I; n k. n et LTER MANAGEMENT FLAN FOR: SMOCK RESORT BE USED MODIFI D OR ADAPTED AWITHOUT DRAWN PPROVALS DATE TRAVEL TRA THE EXPRESS WRITTEN PERMISSION OF C. HOUSE 2-26-07 [RAILER PARK TYPICAL, CROSS SECTIC3~I ~U'ITH PIPE CUI.,V~RTS THE OWNER. COPIES MAY BE PRODUCED. CHECKED R. HOUSE 2-26-07 25671 NCl2 HI ENGINEER R. HOUSE 2-26-07 WAVES-DARE SUBMfTTEO R. HOUSE 2-26-07 NORTH CAR RELIEVE 12 HIGHWAY N UT TO SCALD DARE COUNTY ~ A CAROLINA SIZE DRAWING NUMBER NUMBER REV SIMET NO. - APPLICABLE DRAWING TOLERANCES r~ 4SW 2 LTR DESCRIPTidN DATE BY: ~ VSZG74SW O REVISIONS cAD ~u.~r.T~: Ob2274Sw SC 3 12 11 10 SCALE: AS NOTED __T__ ~..~.~___...e._____ _ _m m~~.n_._ !r t LEGEND SDV l~ filll. w v AV A ~-~.a' Ex,sT~NG sPOT GRAgE rXCA VA TION ~s i~~lIN6 Q~J. IN s.a PROPOSEq SPOT GRAgE L L LL 1' BOUNDARY SWALES .O SWALE AREA TOP OF RANK TO TOP OF BANK ONE CALL S~ VISIR (RE: PLAN VIEW 5-A} ~~v ~ ' ~ s~p~ ~ 3.~ GRAVEL ROADWAY ..,-,C~ J2-4949 ~ ~ ~ (RE: PLAN VIEW S--A) a Sti ~ ~ ~ , ~ ~ > I ~ ~ ~ I -CONCRETE PARKING ~ ~ M1N. 4 1 NpTE: tTE'; ~ ~ w _ ~ r^ sl,) , lr 9 THE DATA -WETLANDS AREA TO BE ACCG THE DATA EN ON THIS PLAN /S BELIEVED .w._.....,_...,. ~ ~u~ sips ~ CUARANT£ED 1l~. TO BE ACCU TE, BUT THE ACCURACY IS NOT GUARANTEED. Y&TRACTOR.S' ARE RESPONSIBLE R p, ( ~ F!)R THE Y£ r~ ~ ~~F FOR THE VERIFICATION OF ALL DIMENSIONS, 1 Ra~~Ri Si, ~ RIP-RAP YYPES, AND ~ ~ ~ UR TO E. `TYPES, AND LOCA DNS OF EXISTING UTILITIES P OR TO EXCAVATI AND CONSTRUCTION. IF 5 VEGETATED BUFFER ~ - AN DISGRFi ~ a - STORMWATER FLOW CEA PENC AN DISCREPANCIES ARE FOUND, WORK SHALL S~'CI~MW`A'~E~. ~ETENT~ON CRC3SS SEC~'~CJN ~ ~ K AY+ C£A PENDING NOTIM TION OF ENGINEER. K"'MAY CONTINUE U, N NOTICE FROM I~ORT~ ADD SQU'TI~ B+~UNDARY SALES .,,........,w.w..«.w,.,.. - ~P) OPAQUE FENCING £ T S I~ L A N H N r I~C~T TC~ SCALE CENTER LINE OF P SWALE ' P 6 OPAQUE FENCING GENERAL NGTES . . . . , TOP OF SWALE RANK 1. OWNER/DEVELOPER: ASA H. GRAY, IN 4.47' ~ s -PROPERTY BOUNDARY W. P.O. BOX 135 RODANTHE, NC 27968 DRAINAGE AREA 1 / b W W MwrwwwwMwwwwirww -BOUNDARY BETWEEN DRAINAGE AREAS W ~ ,v w W ~ W DRAINAGE AREA 2 ALSO RUNS ALONG HIGHEST ELEVATION ~ W i/~V b \ W W \W S~(~ ~///y f..~a .Y W W` W W V Jj V OF EACH LOT (P) OB5ERVATION DECK (2pa SF MAX.) W i i W~ W W 2• PLAN BASEfl ON SURVEY INFORMATION PROVIDED BY FREDDY D. RANKIN, P.L.S, ENTITLED, »SURVEY PRELIMINARY SITE PLAN FOR A5A H. GRAY III-25671 NC 12 HfGHWAY PER AcoE ~ y W W ~a W ti > W 5 a. W . ~'4 66 w««.«wr.«.««. WETLANDS BOUNDA Y P 4 WIDE WALKWAY W,~W/r~ W W 0 W ~ ~ W R ~ ~ c9 ,4.66' C~ / -WAVES-KINNAKEET TOWNSHIP--DARE COUNTY-NORTH CAROLINA," DATED 1-25--05. 4.44 ~ W W P W W W ~ (ELEVATEq A MINIMUM d W W P i i W~ W S4 3. STORMWATER MANAGEMENT PLAN DEVELOPED IN ACCORDANCE WITH NORTH CAROLINA ~ a y W W 't`~ W W W v~ v u • 4F 3 ABOVE SUBSTRATE) W W P ~11 FOR EDGE OF ROADWAY W W ? W i W V W 1 W W ,W? W ,W? ADM{NISTRATIVE CODE/NCDENR-ENVIRONMENTAL MANAGEMENT COMMISSION STORMWATL"R W/~I~ W W W W W W W W W W~ W W 1 r , W W W W W W V W W W W\`) W COR CENTERLINE OF RQAgWAY d W W i W W 'Y W W W W /W ~ W 1 J5.16o~ o MANAGEMENT DOCUMENT T15A:02H.1000. 5 VEGETATEq i,, b, W W W W W W i b W W W, ~ r~ W Wf/W W W V W V W W W W W W/W lYr 4. PROJECT iS DESIGNATED AS "HIGH DENSITY PROJECT" AND IS DEVELOPED IN ' TO5 TOP OF SWALE BUFFER LIMIT 4.41' ~ W W b W W W b i i ~ 5.1 C /W ~Y W W W W V V' W W W W w W ,W W J ACCORDANCE WITH DEFfNITION FROM REFERENCE (NOTE 3) SECTION 15A NCAC 02H.1003 SUBSECTION (1) AND RULES .1005 THROUGH .1007. / BOS BOTTOM OF SWALE 4,g OR ~ W, W w i W W W Y W W i W ~W W W/ W W W W W W W W W V 4 W W W,/W W W .y WETLANDS AREA `S. W• W/ W W W W W W r W i ~ b W W 5. SWALES DESIGNED PER REFERENCE (NOTE 3) SECTION 15A NCAC 02H .1008. x`4,63 ~ . ALOE ARMY CORD OF ENGINEERS (NORTHWEST BORDER} 1p W W W W W W b i v W W W / W i y Y ,W W W 4 i V W w W W w W S/ i i ~ QQ 8, / /M W W W W W W W W W W L /W W W V w/' n... PR~Jt V~Eq ' W V W W W W W i W ~~W i' W. +Vl• ( ) 5' VEGETATE{ BUFFER 6. AN OPERATION ANfl MAINTENANCE PLAN HAS BEEN PROVIDED ANq SIGNED BY ASA H. 4,35 W W bWVYVf 6Wi/4 V W W w W W W ~ W W//W~,• 5/~!~ N ~ 3 38 20 E 13'38'20" E 10.00' GRAY fil PER REFERENCE (NOTE 3) SECTION 16 NCAC 02H.1003 SUBSECTION (g). y`~ P• W Y W W b W '~V V /W,• V ' ! W ! Y` ~ ' W W W,/ W W W W V;f~ A~ x'4.71 ~j 7. DARE COUNTY HEALTH DEPARTMENT REQUIRES FILL ON ALL LOTS TO MEET SEPARATION 6 \-/l~ ~ ~'tyl~ W W W V W ~ 1 Y 4.2 OS w w W ,W v W v •~yn f .02 (P) fi OPAQUE 6' OPAQUE FENCING REQUIREMENTS FROM WATER TABLE. ~.2 7/ O ~ ~ W W/ w i / •yr' • t1(~ PER ALOE DARE COUNTY ZONING REQUIRES NO MORE THAN 60% IMPERVIOUS COVERAGE ON THIS TRAVEL TRAILER DEVELOPMENT FOR 5--1 ZONING AS REFERENCED AND IN ACCORDANCE 15 ~ HDPE PIPE. CULVE T~ P ~ W W ~ R TY ~ ~ ~ .W ~ r ~ ~ W WITH THE "MOBILE HOME & TRAVEL TRAILER PARK ORDINANCE FOR UNINCORPORATED 4.8 r. ./o W DARE COUNTY, NORTH CAROLINA" OS , P S VEGETATED 9. FILL ON LOTS IS TYPICAL. ~ J G BUFFER LIMIT 4, 3 OS ~ P do , 10. BOUNDARY SWALES ARE TYPICAL (SEE CR055 SECTIONS, SHEET 2.) AND ARE DESIGNED a ~ 5.0 OR TO ROUTE STORMWATER FROM IMPERVIOUS AREAS TO INFILTRATION SWALE SYSTEM. ~Q 5.3 OS r/ / WETLANDS AREA f ti 7. g ~ ~'`w--`.-.- (SQUTHEAS7 BORDER) 11. STORMWATER SYSTEM AS DESIGNEfl IN THIS PLAN WILL NOT CAUSE OFF--SITE. RUNOFF TO r~~ ` ` P~' - 5.18 . , n ~ INCREASE. l , Q N 77 4q 30 E 1 a.a0 / 0 0~' , 12, A SEPARATE TOPO MAP 15 NOT PROVIDED. SPOT GRADES BASED ON SURVEY ENTITLED," n 5,4 OS , ~ 5.3 OR SURVEY/PRELIMINARY SITE PLAN FOR A5A H. GRAY III--25671 NC 12 n HIGHWAY~WAVES--KINNAKEET TOWNSHIP-DARE COUNTY-NORTH CAROLINA, DATED ~ 5.8 OR 4.4 OS / ~ ~ 1w25-05 BY FREDDY D. RANKIN, P.L.S., AND NAVE BEEN PROVIDED fN LIEU OF ,r, . ~ .,o ~ 5.12 5.6 OR 5.4 OS TOPOGRAPHY. LOTS ARE TO BE FILLED TYPICALLY AS SHOWN BY PROPOSED SPOT GRADES SHOWN ON PLAN AND CR055 SECTION 14--8 AND 14-D. a~,r~ 5.4 OS ~ STRAW ANq HEAVILY / • ~ 0 4.4 5 LOT COVERAGE SEEq ALL SWALE BANKS / ~ ~ 4 ; 4.4 . . , 5.4 05 / ~0 DARE COUNTY NC REGULATION FOR S-~1 ZONING 60~ MAX, COVERAGE r 1 5. ~ OR r 5.5 OS i , EXISTING HOUSE EXISTING WALKWAY BRICK = 9 .1 SF 4,5 OS ,rc_,// \ ,~o PROPOSED BATH HOUSE AND WALKWAY = 61$.0 SF ( ) . r~/ , V , ry PR POSED 10'x20' DUMP5TER PAD CONC. w 2 0.0 5F ( q ) ( ) O µ pP 5.5 OS . pE 4.5 OS P BATH HOUSE , / , PROPOSED DRIVEWAY GRAVEL = 27 220.4 5F ( ) ( ) o , ~w 5:5 O5 Q 4.92 V 5.8 OR P OPOS RA 10'x35' TRAILER AND VEHiC E PACE M 7700.0 SF (R ED) aVE GE L 5 22 4 3~0 SF ~ ~ ~ ~ ~ 5.5 OS c,~ , ~ ~ a . ~ Q t 6 0 OR ~ 4, 5 OS , 4 ~ 4.84 ~ . • ~ ,,r. . ~ 2 ~ Q TOTAL EXISTING .AND PROPOSED COVERAGE = 36,736.5 SF LOT AREA PER REF = 120,232.$ SF Q ~ ~ ~ 4. Q ~ / ( ) 4 LOT COVERAGE ~ 36 736.5 SF - 30.5 1 ~ / ~ / as 4 1 ~z0 232.g 5F ~ 0 / h~~ 4.6 ~S ~ AREA OF WETLANDS TO BE FILLED ~ 4356 SF 1 10 OF AN ACRE Q ~ ~ .9 5.6 OS ~ `'i,~ .9 ~ ~ 5.6 OS 5 OR ~ ~ o ' ~ ~ OS 4 6 ' 6.1 OR (P) EMERGENCY TURN AROUND IN WETLANDS (PER AUTOCAD) ~ 4169.6 5F • ~ ~ 5.6 TOS ~o TOTAL PROPOSED COVERAGE (WETLANDS AREA) = 4169.6 SF ~ ~ .,r 5.9 OR ~ ~ . ~Ga / ; ...1 STORMWAT R RUN--OFF CALCULATION E f ~ ~ , (DRAINAGE AREA 1} x (1.5" RUNOFF) =RUNOFF VOLUME REQURED ~ ~ 4.7 Os ~ ~ / (DRAINAGE AREA 2) x (1.5" RUNOFF) =RUNOFF VOLUME REQUIRED 4.fi0 • ~ 5.7 05 h ~ ~o ~.a oR DRAINAGE AREA 1 = 13,178.3 SF IMPERVIOUS AREA OS ( } .7 OS ~ ~ 6.2 OR DRAINAGE AREA 2 = 23,558.3 SF IMPERVIOUS AREA} 4.7 OS 13,178.3 x .125' = 1647.3 GF STORAGE REQUIRED DRAINAGE AREA 1 c 4.7 OS ~ ~ 6.0 OR ( ) ( ) 5.7 O 23,558.3 SF x (.125') = 2944.8 GF (STORAGE REQUIRED DRAINAGE AREA 2) 5.7 0 O v r r a w P 4.89 0 ' - , ~ 5.7 OS STORMWATER RETENTION CALCULATION s R I s r'" ( EE C O55 SECT ON AND / 4.53 . I DETAILS SHEET 1 AND 2 ~ r ) AREA I: SWALE STORMWATER RETENTION VOLUME ' ~ • ~ ~.1 OS OR ti~ 6 WIDE, 1 DP, 3/1 SLOPE SWALE OF P 6 CULVERT . (NORTH BOUNDARY SWALE UP TO WETLANDS LINE) AND 5' VEGETATED r' ~ :.;o , ~ • ~ 6.3 OR ~ /2(a)(n} x L = VaLUME : ~ ~ BUFFER LIMIT ~.~.f. ~ r. 1/2(6)(1) x (546.0 LF) = 163$.0 CF ~s • o .98 6,1 0R 2 TOS -STORAGE IN 16 ~ HDPE PIPE CULVERTS FLOWING HALF FULL ~ s r ~ 2 ( } ~q0 ~ 5.2 ~ ~ n i V fpipC nppnl ~ i ~rr^,i i itiec ~ ~ A n ~ 's, ry, iy~~ i~ n~tv~~ n w vvt„.umi.. / \~t~~~''A t~+0~\ ~ v., 1.2sf x (421.4 LF} = 517.1 CF r~ A ~ ~ ' ~ , OR ,5.8 OSv f t sq~~ t 2155.1 CF 5 VEGETATED SUFFER t ~ ~ ~A r~ w' r' t 9~ r r ~ - 6. ~R (E) BORROW PIT II AREA ii: WA TOR WAT R RETENTI N V E * 21 5.1 CF a sT4RA E AEA 1 7 ~ s LE s M ~ a ALUM 5 F G (R I) ~ 64 cF > r 6 WIDE, 1 DP, 3/1 SLOPE SWALE „ ~ ~ 6.2' OR (SOUTH BOUNDARY SWALE UP TQ WETLANDS LINE 15 ~ HDPE PIPE CULVERT~TYP ~ ~ 1 2 b h x L=VOLUME r ~ S r ~ ~ r 9 5.9' OS 4.9 OS 1 2 6' 1' x 1 a84A LF = 324x.0 CF 6•Q QS ~~~ti~ t r' ,era \ 5.Q OS t~ ~~~o . * 324x.0 CF aF STORAGE (AREA 11} > 2944.8 GF 6.Q TflS ` ~,,~A~.p ~P ~ . 4. t F f .6.3 OR 5.9 OS 1a4'NTYP ~ ti~ , 66 .~COR STRAW AND HEAVILY ENGINEER SEAL SEED ALL SWALE BANKS { } , RUN-OFF VELOCITY AT RIP RAP OUTLETS SEE PLAN V{EW 5-A AND DETAIL 14--B8c0, SHEET 2 , 0 ~1 ~ 6.3 4R 1. VELOCITY v I5 GIVEN BY CHEZY-MANNING FORMULA ~ r / rOft ','~~,pio~ + ~ is wM SO THAT FLOW AVER RIP RAP GAN BE FACTORED IN: r r G~' ~ ~ r ti t. , . 6.1 TOS {P DUMPSTER PAD ~ . ~ ~ r O~ / ~ ~ .,i/ rr DETERMINED BY THE FOLLOWING: ~ r~ a, t ~ . v=1.49 r S _ . r ~ ~ 6.1 OS 6.52 , s , 6.3 OR 3G` SEAL Ci ~ ~ r ~ « , ~ 7' r WHERE n -MANNING ROUGHNESS CONSTANT F` 87 ~ ~ Q a ~ ~:o f.5 OR r ~a ~ aF (P) 6 S r } =HYDRAULIC RADIUS = {A/p ~ r ~ ~ , ~ ~ ~ OF (P) 6' SWALE 24740 ` ~ A N G.f p 2~ 2~ A D 5 VEGETA ~ ~ AND (S} Y SLaPE 0r P` 6.3 OR t 0~ ~ B ER LIMIT ~ 6.Q 1~r 1 ~ 2 ~ 'D 5' UEGE7ATED ~ ~~~NE~~ ` ~ N G I N ~ ~ ~ ER LIMIT ~ : 2. VELOCITY V AT RIP RAP aUTLETS FLOWING Ta BOU RY W t ~ F / 6.1 QS R ,1? • BOX 466 aN NORTH SIDE OF PRaPERTY- 2 QJ 6.35 Pt G ' .1 fl ~ ~ P E i. ~~~~~ernuuu0~ P.~. QOX KITTY HAWK, NORTH C ~ ~ PROJECT NUMBER oFFiCE: (252) 2s ORTH CAROLINA 27949 DETERMINED BY THE FOLLOWING: ~ t ,5 ~ t (252) 261-8253 WHERE n = .x17 MANNING ROUGHNESS CONSTANT FOR RI P ~ ~ ~r t ~ PRA ~ ~ 6.9 ' \ ~ 05 2 2 7 4 FAx: c252> 26 a v ` e-mail: houseeng ~RO~ ~c~Y ~~coNracTS: PROPOSED STORMWATER MAI ~AN VIEW 5-A COPYRIGHTO?A07 (252) 261-3283 )u seen g 0ea rth link. net ti' ~a 6,7 5 VEGETATE BUFFER (r } = HYDRAULIC RADIUS = (A/P} = 3.a sf j12.32 = .z4 ~ , a ~ r~ ~ ~ ~ A `~D 5 = SLaPE ~ .442 r ~ - r ~ 6.5 OR ~ z!~ ~ 'f- kTER MANAGEMENT PLAN FOR: v=1.49 .24 aa2 - 1.x7 f s 4.35 S X6.8 ~ .017 r' ~ ~ ~ P~.t~PO~ D T ~ S UR~AT~ ~ ~ fl ~ ~ ~ ~ y ~ SOIL TYPE INFILTRATION RATE DRA~l~O~lN 2 a ~ D CNIWATER MANAGEMENT PLAN THIS DOCUMENT IS THE PROPERTY pF CEDAR HAMM0 1 ~~=SOS HOUSE ENGINEERING, P.C. AND MAY NOT APPROVALS DATE ~~VEL TRA BE USED MODIFIED QR ADAPTED WITHOUT DRAWN C. HOUSE 2-26-07 SOCK RESORT C~ Q , ~ Q a s ~ ~ U 1 y f d . V R FRAILER PARK r' ~ . r ~ ~ SAIL TYPE & INFILTRATION RATES: 6. ~ ~ ~ ~ ~ w ~ ~ q ~ ~ ~ ~ ~ SAIL IS LISTED A5 A COROLLA DUCKSTON AND NEWHAN GaROLLA COMPLEX SERIES SOIL 6•~ / / t~ ~ ~ 1 , ~ ~ ~ ~ IN THE USDA SOIL CONSERVATIQN SERVIC S salt 1. ~ E SURVEY aF DARE COUNTY, NORTH r.- 4. Q .6 TEIE OWNER. COPIES MAYEBE PRODUCED. CHECKED R. HOUSE 2-26-07 25671 NC12 HI ENGINEER R. HOUSE 2-26-07 WAVES-DARE 2 HIGHWAY" v ~ CAROLINA .REPORTED INFILTRATION RATE5 FOR THIS SAIL ARE IN EXCESS aF 2a /hr ~ DARE COUNTY AN I T T I D W LL MEE HE M NCMUM HYDRAULIC CONDUCTIVITY REQUIREMENT OF 4.52 jhr. 6 6.4 TO SUBMITTED R. HOUSE 2-26-07 NORTH CAR RELIEVE F1 CAROLINA TOS 6.4 ~ ~ 4 05 ~ THE SEASONAL HIGH WATER TABLE AS PER BORING IS 2.5. , > 1 ~ 5.4 6.4 TQS INFILTRATION BASINS WITH 1.4` aF STORAGE AND WETLANDS AREA AS SHOWN aN THlS SIZE DRAWING NL7MBER NUMBER REV SHEET NO. DRAWING WILL PROVIDE STORAGE IN EXCESS OF 1.5" OVER IMPERVlDUS COVERAGE AT THE T05 6.4 t - - - - APPIJCABLE DRAWlN6 TOLERANCES ^ ~'7q SITE. THIS IS A CaNSERVATIVE ESTIMATE, ACTUAL STORAGE WELL BE HIGHER SINCE t ~ CALCULATIONS ARE BASED ONLY ON STORAGE IN THE BASINS AND Da NaTINCLUDE THE t 4SW 1 EFFECT OF THE HIGH iNFILTRATiaN RATES OF THE SAILS PRESENT IN THE BASIN AREA. ti LTR DESCRIPTION DATE BY: ~ OSG~ / `tSW REVISIONS CAD FILENAME: 052274SW SC 4 3 2 SCALE. AS NOTED 2 ~.._...n_.A-