SW7040826_APPROVED PLANS_20041214

STORMWATER DIVISION CODING SHEET
POST -CONSTRUCTION PERMITS
PERMIT NO.
SW
DOC TYPE
El CURRENT PERMIT
APPROVED PLANS
❑ HISTORICAL FILE
DOC DATE
4
YYYYMMDD

0
it
5
3
P 'VT70L/0jDCig
2 1
F no
SITE Z
III DST WIM pa AVON, NC
VICINITY MAP (NTS)
;URVE DATA
Id
Delta
Rados
Arc Leath
Degree
Chord
Ch $ear
Cl
%'30'00'
60A0'
1OLOT
95,29`3Y
89.53'
S 611151OO' V
C2
22'57'42'
60A0'
24,05'
95'29'3Y
2388'
S 1'31'09' V
C3
22'57'42'
105.00'
42M
54703'
4180'
S P31109' V
C4
28'53'28'
COV
E69'
OWN
22.4T
S 1'26'44' E
C5
12,31'06'
4SIV
92T
12119'N
9.81'
S 22'0TO1' E
C6
60'46'29'
45.00'
473T
1271726'
45.5T
S MC V
C7
7514'31'
4aOO'
59N
12719'2V
5494'
S 69'S9'09' V
C8
41'4V37'
4W
3224'
12719'26'
01'
N 5r2T17' V
C9
38'%'33'
45:00'
MY
127'1912V
30-OV
N 11'06'42' V
C10
461TOO'
45,00'
361T
12119'26'
352V
N 31'23'OT E
Cll
41'24'35'
452'
3252'
1271912V
31W
N 33'42'17' E
C12
22'57'42'
6119
24.OT
95'2935'
23N
N 1'31'09' E
C13
22'57'42'
KOO,
42.9
54634103F
41.80'
N MITT E
C14
9610'00'
105,00'
176,85'
54'34'OT
_ 1560'
_ - _ N 61'15'00' E
1.0'
ROAD SIDE SWALES
8' WIDE x 1' DEEP SWALE
4.7'±
3.7'
i ----
- -- -#
III
2.0
1.7'(SHWT)
L---------------J
1.0'
8' BOUNDARY SWALES
4.7'±
I V I V
4:1 SLOE
V
n
3.7_
F ------
-- --
VI
2.0' I
I
I
1.7'(SHWT)
I ----------------I
GENERAL NOTES
1. OWNER/DEVELOPER: CUTTY SARK, L_L.C. SECTION 6-F
21287 GARRETT HIGHWAY -SUITE 100
OAKLAND, MARYLAND 21550 ST RMWATER RETENTION X-SECTION
2. SUBDIVISION PLAT, HORIZONTAL AND VERTICAL SURVEY INFORMATION PROVIDED BY NOT TO SCALE
FREDDY D. RANKIN, P.L-S, ENTITLED, 'PRELIMINARY PLAT FOR DON NEMITH-CUTTY SARK
SUBDIVISION-AVON-KINNAKEET TOWNSHIP -DARE COUNTY -NORTH CAROLINA,*
3. STORMWATER MANAGEMENT PLAN DEVELOPED IN ACCORDANCE WITH NORTH CAROLINA CL (P) SWALE
EADMINISTRATIVE CODE/NCDENR-ENVIRONMENTAL MANAGEMENT COMMISSION STORMWATER 8' WIDE/2' BOTTOM
MANAGEMENT DOCUMENT T15A:02H.1000. 1.0' DEEP
4. PROJECT IS DESIGNATED AS "HIGH DENSITY PROJECT" AND IS DEVELOPED IN I 11 --3:1 SLOPE
ACCORDANCE WITH DEFINITION FROM REFERENCE (NOTE 3) SECTION 15A NCAC 02H-1003 I1 FRONTING ALL a RS SWALE
SUBSECTION (1) AND RULES .1005 THROUGH .1007. _ % LOTS AS SHOWN 3.6
5. SWALES DESIGNED PER REFERENCE (NOTE 3) SECTION 15A NCAC 02H .1008, z o TOP OF BANK
6. AN OPERATION AND MAINTENANCE PLAN HAS BEEN PROVIDED AND SIGNED BY MICHAEL r j N J ° PRIOR TO DREDGING V
ATKINSON PER REFERENCE (NOTE 3) SECTION 15 NCAN 02H.1003 SUBSECTION (g).
7. DARE COUNTY HEALTH DEPARTMENT REQUIRES FILL AN ALL LOTS TO MEET SEPARATION III Il -�( b
REQUIREMENTS FROM WATER TABLE. �R�lN
8. DARE COUNTY ZONING REQUIRES NO MORE THAN 30% IMPERVIOUS COVERAGE ON ANY 4 .LL,4¢91 X
LOT IN THIS SUBDIVISION. L -I_ 4.75 , of 18
9. FILL ON LOTS (TYPICAL. _ 0,44 acres 4.r
q
10. BOUNDARY SWALES ARE TYPICAL (SEE CROSS SECTIONS, SHEET 2.) AND ARE DESIGNED Ir L460'� Jl° _
TO ROUTE STORMWATER FROM IMPERVIOUS AREAS TO INFILTRATION SWALE SYSTEM.
11. STORMWATER SYSTEM AS DESIGNED IN THIS PLAN WILL NOT CAUSE OFF -SITE RUNOFF TO h !J o 3. �� x
INCREASE. ru 4 _ L14.( i 4,g[q.41
12. A SEPARATE TOPO MAP IS NOT PROVIDED. SPOT GRADES BASED ON SURVEY ENTITLED," C �4 75 tot 17 J EL'4'37 4.94 -: f c 'L
SURVEY FOR DON NEMITH-CUTTY SARK SUBDIVISION-AVON-DARE COUNTY -NORTH 1�
CAROLINA",SURVEY DATE 10-24-04 BY FREDDY D. RANKIN, P.L.S., AN HAVE BEEN z 0,48 acres
PROVIDED IN LIEU OF TOPOGRAPHY. LOTS ARE TO BE FILLED TYPICALLY AS SHOWN BY �- _ ��� x 20,$�B,I� sq "SWALE j
DPROPOSED SPOT GRADES SHOWN ON PLAN AND CROSS SECTION 14-D. I 13 L
STORMWATER RUN-OFF CALCULATION
� �! � � a
q qa 3.7 M
(AREA ac) (43,560 SF) x (1.5'RUNOFO (Rv) = RUNOFF VOLUME L L, 6, Ot 16
(9.7 ac) (43,560 SF) x (.125' ) (.30) = 15,780 CF (STORAGE REQUIRED) _ !
z - 4.75 0.4$ aCreSL4SI' -
DRAINAGE AREA 1 = 281,145 SF ?0,834,61 sq
CL SWALE 1
r- -�4A
DRAINAGE AREA 2 = 130,256 SF a 3.7
1 :4.
a
STORMWATER RETENTION CALCULATION * SEE CROSS SECTIONS AND DETAIL SHEET 1 AND 2 I
OI AREA !: SWALE STORMWATER RETENTION VOLUME CL (P) BOUNDARY SWALE 1 � � 1��- � = C 1 � `1 r •
I BOTTOM, P 3 1 SWALE 8' WIDE, 4:1 SLOPE, 1.0' DEEP L 4.75 Dt(MAINDSWALE�T BO 1 D / SLOPE AT BOUNDARIES AS SHOWN '4ag �� 0.48 acres _
3.7:
(a + b) (h) x L =VOLUME C' ��0,84128 5q f CLSWALF4 CL RS SW,
(8.0' + 2A') (1} (2244A LF) = 11,220.0 cf 1 1 �? l� X 3.7 � 3
-� FI 4.58 a RS swALE
LLAW
II AREA II: STORAGE IN SOIL VOIDS = ((2)* 1/2bh) x LF x 0.20(void ratio) = VOLUME I
(ROADSIDE SWALES) (2) 1 /2 (3') (1.0) x 2244.0' x 0.20 = 6732.0 cf TOP OF BANK L 0,48 acres _ _j r
PRIOR TO DREDGING 0 4.75 80,845,13 sq
it a SWALE a Swa E�
3.7
III III: STORAGE IN SOIL VOIDS =SWALE AREA x LF x 0.20(void ratio) = VOLUME
C(S' SWALE) (8') (2.0') x 2244.0 LF x .20 = 7,180.0 cf
TOTAL 25,132.0 cf 4
1 CL
IV AREA N: SWALE STORMWATER RETENTION VOLUME = (1/2bh) x LF = VOLUME D J 3.7 .0 ti
8' WIDE, 1.3' DP, 4/1 SLOPE PROPERTY BOUNDARY SWALEacres �� CL
(TOTAL BOUNDARY SWALES) 1/2 (8') (1.0) x 2770.0' = 11,080.0 cf 4 _ f ti
83,08D.94 sq f a
L SWALE 4.75 U ¢
-�7 Era 3.7 -
V V: STORAGE IN SOIL VOIDS =SWALE AREA x LF x 0.20(void ratio) =VOLUME
(8' BOUNDARY SWALE) (8') (1.0') x 2770.0 LF x .20 = 4432.0 cf 11y�L
O sRx-
24,376.0'4 - :abl`
VI VI: STORAGE IN SOIL VOIDS =SWALE AREA x LF x 0.20(void ratio) =VOLUME � ..•• .- •L;3 p I a sw
(8' BOUNDARY SWALE) (8') (2.0') x 2770.0 LF x .20 = 8864.0 cf sIt14TOTAL cf n I I X 4 s 0,54 aCreS �y 6
a , 1 a ALE .
* 49,508 CU FT OF STORAGE > 15,780 CU FT I 4.75 �2 25 5 €{ 3.7
J SWALE3.7EL4.57' LLANSWALE
RUN-OFF VELOCITY AT RIP RAP/OUTLETS SEE DETAIL 16-D, SHEET 2 AND PLAN VIEW 1-A
XEI:4N �
1. Velocity (v) IS GIVEN BY CHEZY-MANNING FORMULA �' - - 16' N -- - - - - - - 3.a Lot 1
SO THAT FLOW OVER RIP RAP CAN BE FACTORED IN Ir71 - Lot ll L' J! LotCL RS 10 Swale 0,53 acres �!
DETERMINED BY THE FOLLOWING: I
`-' 1 0 48 acres 41T
m
4.75 0,53 acre �- IL:4.18' � ��
v=1.49 (rH)I J II 23,18155 s ft I U 20,8 6,35 sq Ft �L:44w
BWHERE (n) = MANNING ROUGHNESS CONSTANT J L467' q n AINAGE AREA 11 3.7 L_ L3R1ttIVAt;E_ A7TA 7 - -�!-
(r) = HYDRAULIC RADIUS = A WILLIAM MI HAEL WI S A � E AREA 2
( /p} i6' MBL - - �TDRAINAGE AREA'L UFtAINAGE AREA 2
AND (S) = SLOPE( - ?7913' V - X 8g65�r
i
�i3,711' LL4,A
2. VELOCITY (V) AT BOTH RIP RAP OUTLETS FLOWING TO EXISTING
'
ROADSIDE SWALE FROM NORTH CORNER OF NORTH 8' SWALE 8CL (P) SWALE ' WIDE/2' BOTTOM CL (P) BOUNDARY SWALE
DETERMINED BY THE FOLLOWING: 1.0' DEEP 8' WIDE, 4:1 SLOPE, 1.0' DEEP
WHERE (n) = .017 MANNING ROUGHNESS CONSTANT FOR RIP -RAP -3:1 SLOPE AT BOUNDARIES AS SHOWN
(rH) = HYDRAULIC RADIUS = (A/p) = 5.0'/11.49' = .44' FRONTING ALL
AND (S) = SLOPE = .002 LOT5 AS SHOWN
v=1.49 (.44) 002 = 2.26 f/s PLANVIEW 5-A
.017
STORMWATER SWALE LAYOUT
SOIL TYPE/INFILTRATION RATE/DRAWDOWN 1"=60'
SOIL TYPE do INFILTRATION RATES:
SOIL IS LISTED AS A NEWHAN COMPLEX SERIES SOIL IN THE USDA, SOIL GRAPHIC SCALE
CONSERVATION SERVICES "SOIL SURVEY OF DARE COUNTY, NORTH CAROLINA
REPORTED INFILTRATION RATES FOR THIS SOIL ARE IN EXCESS OF 20"/hr.
sa o ao so 12a
THE SEASONAL HIGH WATER TABLE AS PER BORING IS 1.7'.
INFILTRATION BASINS WITH 1.0' OF STORAGE AT AS SHOWN ON THE DRAWING WILL
A PROVIDE STORAGE IN EXCESS OF 2.0. OVER IMPERVIOUS COVERAGE AT THE SITE.
THIS IS A CONSERVATIVE ESTIMATE, ACTUAL STORAGE WILL BE HIGHER SINCE { IN FEET )
CALCULATIONS ARE BASED ONLY ON STORAGE IN THE BASIN AND SOIL VOIDS ABOVE 1 inch = BID ftr
THE SEASONAL HIGH WATER TABLE AND DO NOT INCLUDE THE EFFECT OF THE HIGH
INFILTRATION RATES OF THE SOILS PRESENT IN THE BASIN AREA-
8 I 7 I 6 I 5
4
LEGEND
X 6.0'
- EXISTING SPOT GRADE
6.0
- PROPOSED SPOT GRADE
- SWALE AREA TOP OF BANK TO TOP OF BANK
- ASPHALT ROADWAY
- ROCK/GRAVEL
=Z>
- STORMWATER FLOW
- RIP -RAP
-
-- CENTER LINE OF (P) SWALE
- -
- TOP OF SWALE BANK
- PROPERTY BOUNDARY
RAINAGE a.RLa
BOUNDARY BETWEEN DRAINAGE AREAS
RAkNAGE AkEA 2
ALSO RUNS ALONG HIGHEST ELEVATION
OF EACH LOT
NIF W. iIL70M J
CL (P) SWALE
8.0' WIDE/ 1.0' fDEEP
RIP/RAP LINED
SWALE OVERFLOW
TO (E) ROADSIDE SWALE
SEE DETAIL 16-D, SHEET 2
I ENGINEER
I
I
SEAL j v
A 5Ea N@t
24740 /
,•
'NAIL'
•y •••.............•'' ,�.
PROJECT NUMBER 03894
COPYRIGHT 02004
PROJECT CONTACTS:
THIS DOCUMENT IS THE PROPERTY OF
CUTTY SARK , LLC.
HOUSE ENGINEERING, P.C. AND MAY NOT
BE USED MODIFIED OR ADAPTED WITHOUT
THE EXPRESS WRITTEN PERMISSION OF
APPROVALS
DATE
DRAWN M. JACKSON
02-05-C
THE OWNER- COPIES MAYBE PRODUCED.
C
REVISED DRAWING TO
COMPLY WITH HIGH DENSITY
CHECKER] R. HOUSE
02-1 1-C
STANDARDS
11-g-04
MJ
ENGINEER R HOUSE
02-1 1--C
REVISED DRAWING TO
COMPLY WITH HIGH DENSITY
SUBMITTED
B
STANDARDS
5-26-04
MJ
R. HOUSE
02-12-C
R CIEVED
REVISED DRAWING TO
COMPLY WITH HIGH DENSITY
APPLICAI3RF DRAWING TOLERANCES
A
STANDARDS
4-26-04
MJ
LTR
DESCRIPTION
DATE
i BY:
REVISIONS
4 I 3 I 2
PRIOR TO EXCA VA TION
CALL /l
CAROLINA ONE CALL
1-800-632-4949
NOTE.
THE DATA GIVEN ON THIS PLAN IS BELIEVED
TO BE ACCURATE, BUT THE ACCURACY IS NOT
GUARANTEED. CONTRACTORS ARE RESPONSIBLE
FOR THE VERIFICATION OF ALL DIMENSIONS,
TYPES, AND LOCATIONS OF EXISTING UTILITIES
PRIOR TO EXCAVATION AND CONSTRUCTION. IF
ANY DISCREPANCIES ARE FOUND, WORK SHALL
CEASE PENDING NOTIFICATION OF ENGINEER.
WORK MAY CONTINUE UPON NOTICE FROM
ENGINEER.
V11+4 62ef
APPROVED
NORTH CAROLINA ENVIRONMENTAL
MANAGEMENT COMMISSION
DIVISION OF WATER QUALITY
DID _ sec
SWmwaW Permit No.�tl�,7.� z6
&_
'A
NOV 2 2 2004
NGINEIR
NGr RE*
P.O. BOX 466
KITTY HAWK, NORTH CAROLINA 27949
OFFICE: (252) 261--8253
FAX: [phone]
e-mail: houseeng0earthlink.net
STORMWATER MANAGEMENT PLAN
CUTTY SARK SUBDIVISION
AVON-KINNAKEET TOWNSHIP
DARE COUNTY
NORTH ARROLINA
F
CUTTY SARK, L.L.C.
SIZE
DRAWING NUMBER
REV
SHEET NO.
D
03894
C
1
OF
CAD FILENAME:
03894
SCALE: AS SHOWN
2
1
It
E
C
0
a . . •� •fir 'e, - .,.1 ,a' .,, s•. •:, •-'.-..-„ _t.
a. qL_. J . _ ° __ -.�_ _ w _ . '$ :� 'at _ _, S - . .� sa Y , • 1 i .. _ _ .s.. i i .. -

— — mn » / of cD
3!.

U
on Tm a
Unix
F mm m
SITE
KE 19T WEST Mm Lx AVNN, NC
VICINITY MAP (NITS)
7
6
5
4
3
2
i1XZVE DATA
Id
Delta
Radius
Arc Length
Degree
Chord
Ch Bear
C1
%'3il'00'
(Aw
101.05'
9T2735'
89-V
S 6115'00' v
C2
22 W 42'
611V
205'
9579'35'
taw
S 11'09' v
C3
2nT42'
1D5.00'
42-W
54'34TT
41 V
s 1131109' v
C4
N$'537
45M
22 T
127ITN
2245'
S 1'2944' E
C5
V31'06'
45.W
92?
1271T26'
931,
S 22T9'O1' E
C6
60'46?T
45A0'
47.73'
121IT26'
45.53'
S 174T V
C7
1514'31'
45W
59ff
12117N
54.94'
S 6759'09' v
C8
41'40'37'
45.9
32.84'
127'19'26'
32ll'
N 51'2717' v
C9
F%'33'
45N
3059'
1271T26'
30S
N 11'06'42' v
CIO
46700'
4SOV
3617'
12119TV
35.2V
N 31' TOT E
CU
41`24'3Y
45M
32Y
127'19'26'
3L82'
N 33'4217' E
C12
22'57'42'
6W
242T
95'29`35'
23.88'
N 11109' E
C13
22'942'
10SW
42&
54'34'03'
41X'
N 1'3 OT E
C14
%`30 V
1W
17625'
541403'
156LT
N 6115T E
GENERAL NOTES
1. OWNER/DEVELOPER: CUTTY SARK, L.L.C.
21287 GARRETT HIGHWAY -SUITE 100
OAKLAND, MARYLAND 21550
2. SUBDIVISION PLAT, HORIZONTAL AND VERTICAL SURVEY INFORMATION PROVIDED BY
FREDDY D. RANKIN. P.L.S. ENTITLED, "PRELIMINARY PLAT FOR DON NEMITH-CUTTY SARK
SUBDIVISION -AVON- KINN AKEET TOWNSHIP -DARE COUNTY -NORTH CAROLINA."
E3. STORMWATER MANAGEMENT PLAN DEVELOPED IN ACCORDANCE WITH NORTH CAROLINA
ADMINISTRATIVE CODE /NCDENR-ENVIRONMENTAL MANAGEMENT COMMISSION STORMWATER
111
IV
4
ca
Z
cc
w
w
z
r-i
w
w
to
CD
v
0
Cu
`D I1-7
0
I
co I
n �u-
Q SLOPE
SECTION 6-F
STORMWATER RETENTION X-SECTION
NOT TO SCALE
?of 4Lrli I
0") n6(
R/W
45' WIDE RIGHT--OF-WAY
R/W
22.5'
22-5'
4.25' 4.25'
2' ' ABC
20' PAVED SURFACE
2' ABC 2'
4.25' 4.25'
SHLDR.
10' 10'
SHLDR.
w
3
3
1/4•IFT 1/4'/FT
1 4" PER FT 1 4" PER FT
74'/FT4r/FT
Q0
3a SLOPE
.S�OpE-
3 MIN
COVER
4 WATERLINE
MANAGEMENT DOCUMENT T15A:02H.1000._
4. PROJECT IS DESIGNATED AS 'LOW DENSITY PROJECT" AND IS DEVELOPED IN ACCORDANCE) i!
WITH DEFINITION FROM REFERENCE (NOTE 3) SECTION 15A NCAC 02H.1003 SUBSECTION CL (P) SWALE
(1) AND RULES .1005 THROUGH .1007. TOP OF BANK / { n-a- 8.5' WIDE -3:1 SLOPE
1�., �L�.� ,, 7��, FRONTING ALL
�f L; PRIOR TO DREDGING cr :,,.�c .- '} `' `��''r LOTS AS SHOWN
5. SWALES DESIGNED PER REFERENCE NOTE 3 SECTION 15A NCAC 02H .1008. !! f
6. AN OPERATION AND MAINTAINANCE PLAN SHALL BE PROVIDED AND SIGNED BY 1
RESPONSIBLE PARTY PER REFERENCE (NOTE 3) SECTION 15 NCAN 02H.1003 SUBSECTION
(9)- ti xJf ? C. I
0-0
UN
f= ' ' f' I" ; C,v4 res
f L:
j! L•\' "� , :cF,., 1 "1 C?4 a�reS;I
f 1 ii !� _ If
It _ err, 74 ?
_
CL
y _ i I
L f ftr Q I,�` [Law �E '
J�"1 DCT-2s I I
' 1 I 1
! f ,L I I I t.,4 ucr
' ril %7 _ sq
'41
f l
Lit lv J r J EL:Z14'/T EG4,44'
STORMWATER RUNOFF CALCULATIONS: �� '' °� _ `��'` Ll I�
! r: 1
DEFINITIONS:(PERREFERENCE(NOTE EC40 Ft
TT 15 CAN 1 = 1 I _ ;u �: I �
SA = SITE AREA -THE TOTAL PROJECT AREA ABOVE MEAN HIGH WATER (WETLANDS MAY BE EKCLUDED) ` a� j ' 4,`,
DF = DENSITY FACTOR -THE APPROPRIATE PERCENT BUILT UPON AREA DIVIDED BY 100 DF = 0.30 � % " I s f ts?fi
RA = ROAD AREA -THE TOTAL IMPERVIOUS SURFACE OCCUPIED BY ROADWAYS r I r J r 1,55 ^L!'E- _
QA = OTHER AREA -THE TOTAL AREA OF IMPERVIOUS SURFACES SUCH AS CLUBHOUSES, TENNIS COURTS, ETC- ` I ! Lin 51 I A-7r: f4 \
NO. LOTS= NUMBER OF LOTS IN SUBDIVISION ')4 Pl "s?E5 1 s EL4,J0'
BUA/Lot = THE COMPUTED ALLOWABLE BUILT UPON AREA FOR EACH LOT INCLUDING DRIVEWAYS AND IMPERVIOUS fr �j_-' _ ?�;R4i;2 5q T(Ekiv
SURFACES BETWEEN THE FRONT LOT LINE MD EDGE OF PAVEMENT
*NOTE: SOME LOTS ARE NOT UNIFORM : ~• `Y.35
SEE TABLE BELOW FOR BREAKDOWN _ se \ 9, \ �"
FORMULA: FORMULA ~•4` f \ I
x, 1.7 1 - r J = E1419'
-..�. � %f N^•� � .: \ _ Lit �
(SA x DO - RA -OA _ BUA (311338 SF x .30) - 24,207 SF -0 _ •94.106 SF
No. LOTS LOT 18
TOP OF BANK L i ;� m bui 14
TOTALS: PRIOR TO DREDGING p f 4 acres_ �` 1 _ _` S f `
RIGHT OF WAY AREA = 53,481 SF 3 r I 1 �,26 307
1 Ou 45.73 su 1 1 - EL 23` ;,.
IMPERVIOUS ROAD COVERAGE = 24,207 SF _
TOTAL IMPERY COVERAGE IN RIGHT OF WAY = 24,207 SF I
IMPERVIOUS LOT COVERAGE = 91,500 SF
TOTAL IMPERVIOUS COVERAGE = 115,707 SF f ��! \ _ \ _ _
TOTAL PROJECT AREA = 420,961 SF 1 I ' _ ` / �l� f K' f 1 L� ? ?�'. - _
Z IMPERVIOUS COVERAGE = 27.5% 1 1 r A + � � � � � J � 1 f � �� '-} re �
ALLOWABLE IMPERVIOUS COVERAGE = 30% f , � 13 � � _ _ R _ f T j - 1 22 v ;4
-
ALLOWABLE 0 S'o
,r. _ EULV
00
STORMWATER VOLUME 1.5- OVER IMP. SURFACES - 115.707 SF x .125 FT 1.5' STORMWATER - 14,463 CU FT STORAGE REQUIRED
REFER TO SECTION 6-F � l ! ? r> ;.190 s� f t r
O AREA I: SWALE STORMWATER RETENTION VOLUME _ (1/2bh = AREA) x L = VOLUME f 1, }
8.5' WIDE 3 1 SLOPE SWALE = 1/2(8.5ft)(1.42 ft = 6.035 sf x 2306.3 LF = 13.919 CU FT i `1
f O ar,
-•; =ter � _ \ $+' -'L' � •� $ �
II AREA II: STORAGE IN SOIL VOIDS = ((2)* 1/2bh) x LF x 0.20(void ratio) = VOLUME f !._' i �31ti0`)5 3`'i fL `4
(2) x 1/2 x 4.25' x 1.42' x 0.20 x 2306.3 = 2,784 cf 1 / '?I I'"t \ \
r�
PREPARED, GRADED do COMPACTED SUBGRADES
2- TYPE 1-2 ASPHALT
8" AGGREGATE BASE COURSE
2' WIDE, 8" THICK ABC STONE SHOULDER
SECTION 4-E
ROAD CROSS SECTION
NOT TO SCALE
ROADWAY SHALL MEET ALL APPLICABLE NCDOT STANDARDS
n.
a
9q-1
EL.365'
_ n . Wit
iN-x
a i Ty 1-D Oi`Y
I�f iL�,fi4 �Pu,''I
a
TOTAL STORAGE IN SWALE AND SIDE VOIDS = 16,703 CU FT; THEREFORE, STORING 1.73' - - - \mow
w Euaff
OVER IMPERVIOUS SURFACES WHICH IS GREATER THAN THE 1.5" REQUIRED - r`f -- - - - - - - - - - 1304 31Q' r 01� „cr -�
�, es
EL�405'
CUTTY SARK SUBDIVISION LOW DENSITY STORMWATER CALCULATIONS
ALLOWABLE IMPERVIOUS LOT COVERAGE TABLE
LOT
LOT AREA
(SQ. FT.)
LOT AREA
(Ac)
DEVELOPABLE
AREA
9 IM RA
(RFACE
(FRE NFAPPLICABLE))
BUA Lot
0. IMPE ( IOUS
( MFIERE SURFACE.
APPLICAABLE,
BUA Lot
LOT 1
15.000
.34
15,000
4.500
.10
LOT 2
15,000
.34
15,000
4,5DO
.10
LOT 3
15,000
.34
15,000
4,5DO
.10
LOT 4
15,000
.34
15,000
4,500
.10
LOT 5
23,870
.55
23.870
6.250
.14
LOT 6
23,229
.53
23,229
6.250
.14
LOT 7
22.568
.52
22,588
5,250
.14
LOT 8
21,909
.50
21.909
6,250
.14
LOT 9
20,896
.48
20,896
6,250
.14
LOT 10
20.8%
.48
28.396
6,250
.14
LOT 11
23,181
.53
15.000 jAA8,7,7,,
4,500
.10
LOT 12
23,362
.53
15,000 e�u
4,500
.10
LOT 13
23,021
.53
15.000 CST/L
4.500
.10
LOT 14
20,846
.48
15,000K1
4.500
.10
LOT 15
20,841
.48
15,000 EAST
4,500
-10
LOT 16
20,835
.48
15,000 ew
4.500
.10
LOT 17
20,828
.48
15,000 AST ?
4.500
.10
LOT 18
21,179
.49
15,OOD CAN
41500
.10
TOTAL
367.481
8.4
313,388
(SA)
91.500
2.11
TOTAL ALLOWABLE BUA FOR LOTS - 94,016 SF
PROPOSED BUA FOR LOTS - 91,500 SF,
SINCE 91,500 SF IS LESS THAN 94,016; 91,500 SF MISTS THE REQUIREMENTS FOR SINGLE
FAMILY DWELIN% LOW DENSITY DEVELOPMENT PER 15A NCAC 02H.1005 OF NORTH CAROLINA
ADMINISTRATIVE CODE -ENVIRONMENTAL MANAGEMENT COMMISION STORMWATER MANAGEMENT
DOCUMENT.
Tel
1 _____ 111
h [ :;:SJ 5 l:\ c
0 I� - I ENGINEER SEAL
L - - - - - - - - - ,**w**sy
f 7 =r EL' .52
- 4�EL�3.70'
11:322' /� N r P.6
v EL,3J0' E246'4r`
30.0% IMPERVIOUS E14,76' EL4.6D' A _ ,'� �•- •
30.0x IMPERVIOUS '�'" "'' V. SEAL
30.Ox IMPERVIOUS Z� 4r1 24740
30.0% IMPERVIOUS YQ ~
26.2% IMPERVIOUS EL�,19'.��•''y,NG`rN���''.,,('�fr-}_J.='
26.9% IMPERVIOUS V� ` ,
27.7% IMPERVIOUS
28.5% IMPERVIOUS
21.6X IMPERVIOUS
21.6X IMPERVIOUS
19.4% IMPERVIOUS
19.37E IMPERVIOUS
19.57E IMPERMOUS
21.6% IMPERVIOUS
21.69E IMPERVIOUS
21.6% IMPERVIOUS
21,67E IMPERVIOUS
21.2% IMPERVIOUS
GRAPHIC SCALE
30 60 120
( IN FEET )
1 inch = 60 ft
a
LTR
/CK A.
PROJECT NUMBER 03894
PROJECT CONTACTS:
CUTTY SARK , L.L.C.
COPYRIGHT O 2004
THIS DOCUMENT IS THE PROPERTY OF APPROVALS DATE
HOUSE ENGINEERING, P.C. AND MAY NOT DRAWN M. JACKSON 02-05-(
BE USED MODIFIED OR ADAPTED WTTHOU",
THE EXPRESS WRITTEN PERMISSION OF CHECKED R. HOUSE 02-1 1 -C
THE OWNER. COPIES MAY BE PRODUCED. ENGINEER R. HOUSE 02-1 1-C
SUBMITTED R. HOUSE 02-12-C
RECIEVED
APPLICABLE DRAWING TOLERANCES
DESCRIPTION DATE I BY:
REVISIONS
1
PRIOR TO EXCAVATION
CALL
CAROLINA ONE CALL
1-800-632-4949
AVIEr
7W R/7A 0/nN OW rNLS PLAN LS SELKPEO
70 Of ACCURAM 9Ur rW ACCURACY 15' M Or
414 "N7UV CONAPAC7M ARF RESMNSILACF
RW Pff WAW7C4DON Of ILL MOEASFON$,
rMX AAA LOC Wfd Or £X7 nW UVIA"
PAAti7 TO fXGYA7X,W AM7 COw57RGC1rOW, i
ANr 01W#1'PAAM3 ARf< MONv. M VW &"U
CLAW PEMORMG 10ftf 4FAM OF EMGW&rFA
*am "a r 610N7ANUF Lmum M77ACE ;w w
.Z.I V �D
FEB 1 9 2004
DWQ-V1vARG
v
_I
J
ENGINEERING, P.C.
P.O. BOX 466
KITTY HAWK, NORTH CAROLINA 27949
OFFICE: [phone]
FAX: [phone]
e-mail: rickhouse0hlouseengineering_com
STORMWAIU MANAGEMM PLAN
CUTTY SARK SUBDIVISION
"ON-KINNAKEET TOWNSHIP
DARE COUNTY
NORTH CAROLINA
CUTTY SARK, L.L.C.
SIZE DRAWING NUMBER REV SHEET NO.
D 03894 - 1
OF
CAD FILENAME: 03894 SCALE: AS SHOWN
1
EI
mI
CI
CD
I
8 I 7 I 6
0
3 I 2

AVON. NC
7
BEGIN
PROPI
BUM
1
I IVV I IL
I VV I-\ / VV
6
I V r kjuml'4 I rlC
I 8
i
..._. _ _—.._..._..._..._..._..._..._..._..._..._..._ 5.0' _..._..._.. _..._.
—5.0 p
—5.0'
3.0
35
4.0
34 of
i o�
i
e
i
33 5.0
I
i
I
�S
32
6.0
31
1
1 /
1
RECEIVED
MAY 0 3 7004
1 COASTAL MANAGEMENT
ELIZABETH CITY
0
z_ 1
o
0
�1U
0 1 eoasT 0 y 2004
1 1 H �,c }"�t��r
43 Y
� 1
1 �
/IR I'MENTAL PROFESSIONALS, INC.
Planning for a Better Environment
2810 N. CROATAN HIGHWAY
P.O. BOX 3368
,KILL DEVIL HILLS, NC 27948
[phone]
(252)441--0721 (FAX)
CU�TY
CA�W
AVON
SARK DEVELOPMENT CORP.
MAJOR PERMIT
KINNAKEET TOWNSHIP
DARE COUNTY
SCALE: 1 "— 50'
NORTH CAROLINA
DATE: 4/22/04
REV:
KT JOB #: 03-105
RME YED
JUL 2 2 2004
DWQ-W RO
( IN FEET )
i inch = 50 it.
yg
DRAWN BY: SA REVIEWED BY
NOT
FOR CONSTRUCTION --FOR
PERMITTING
PURPOSES ONLY
MAP
TAKEN FROM FREDDY
D. RANKIN, P.L.S.
DATED 02/04/2004

J'�
8
OR FISH RR
SRILFISH UL
F mu
SITE �
K DST VEST M+ UL AVON) NC
VICINITY MAP (NTS)
7 l 6
URVE DATA
Id
Nta
Raks
Arc Leath
Degree
Chord
Ch Bear
C1
96'30'00'
GOA'
101,05'
95'29'35'
89.53'
S 61115100' V
C2
22'5742'
60,00'
241'
95'2T35'
23,88'
S 1'31'09' V
C3
22'57'42'
105.00'
42.08'
54'34'03'
41.80'
S 1'31'09' V
C4
28'53'28'
45,00'
22,69'
127'19126'
22,45'
S 1'2644' E
C5
12706'
45.F
923'
127'19'2V
921,
S 22'09'101' E
C6
60'46'29'
45.F
47.73'
127'19'26'
4553'
S P58`40' V
C7
75'14'31'
Eff
59,09'
127'19'N
54,94'
S 69'59'09' V
C8
41'48'37'
45.00!
3224'
127'19'26'
32]1'
N 51'29'17' V
C9
313'503'
45,00'
30,59'
12719'26'
30,00,
N 11'06'42' V
CIO
46'03'00'
452'
36.17'
121'19'26'
3520'
N 31'23'05' E
C11
41?4'35'
45,00'
32. 2,
127,19,26,
31,82'
N 33'42'17' E
C12
2257'42'
60,00'
24.05'
95'2T35'
2328,
N 1'31'09' E
C13
22'57'42'
I O'
42,08'
54'34'03'
41,80'
N 1'31'09' E
CH
96'30'00'
MAN,
116.85'
54'34'03'
1560'
N 61'15'00' E
GENERAL NOTES
1. OWNER/DEVELOPER: CUTTY SARK, L.L.C.
21287 GARRETT HIGHWAY -SUITE 100
OAKLAND, MARYLAND 21550
2- SUBDIVISION PLAT, HORIZONTAL AND VERTICAL SURVEY INFORMATION PROVIDED BY
FREDDY D. RANKIN, P.L.S, ENTITLED, "PRELIMINARY PLAT FOR DON NEMITH-CUTTY SARK
SUBDIVISION-AVON-KINNAKEET TOWNSHIP -DARE COUNTY --NORTH CAROLINA,"
E3. STORMWATER MANAGEMENT PLAN DEVELOPED IN ACCORDANCE WITH NORTH CAROLINA
ADMINISTRATIVE CODE/NCDENR-ENVIRONMENTAL MANAGEMENT COMMISSION STORMWATER
MANAGEMENT DOCUMENT
JECT IS DESIGNATED AS "LOW DENSITY 0 IS DEVELOPED IN ACCORDANCE
WITH DEFINITIOIT F9M R�F�C(NOTE 3) SECTION 15A NCAC 02H.1003 SUBSECTION
(1) AND k3U1-�805'THROUGH .1� 007� - - -.. _ _.__�-__
5. SWALES D Y SECTION 15A NCAC 02H .1008.
6. AN OPERATION AND MAINTAINANCE PLAN SHALL BE PROVIDED AND SIGNED BY
RESPONSIBLE PARTY -PER REFERENCE _(NOTE 3) SECTION 15 NCAN 02H.1003 SUBSECTION
7• DARE COUNTY HEALTH DEPARTMENT REQUIRES FILL AN ALL LOTS TO MEET SEPARATION
REQUIREMENTS FROM WATER TABLE.
8. DARE COUNTY ZONING REQUIRES NO MORE THAN 30% IMPERVIOUS COVERAGE ON ANY
LOT IN THIS SUBDIVISION.
D
TOTALS:
RIGHT OF WAY AREA =
53,481 SF
IMPERVIOUS ROAD COVERAGE =
24,207 SF
TOTAL IMPERV COVERAGE IN RIGHT OF WAY =
24,207 SF
IMPERVIOUS LOT COVERAGE =
91,500 SF
TOTAL IMPERVIOUS COVERAGE =
115,707 SF
TOTAL PROJECT AREA =
420,961 SF
% IMPERVIOUS COVERAGE =
27.5%
ALLOWABLE IMPERVIOUS COVERAGE
30%
C
.off
e.G
STORMWATER VOLUME (3' OVER IMP. SURFACES) = 115,707 SF x .358 FT (4.3' STORMWATER) x .95 (RUNOFF COIFFICIENT)
=39,388.6 CU Fr (STORAGE REQUIRED)
AREA I: SWALE STORMWATER RETENTION VOLUME
20.0' WIDE 14' FLAT BOTTOM, 1' DEEP, 3/1 SLOPE SWALE
(MAIN SWALE)
(20.0' + 14.0') (1) C(1407_0 LF) 23,919.0 cf
2
AREA I: SWALE STORMWATER RETENTION VOLUME
8' WIDE 2' FLAT BOTTOM, 1' DEEP, 3/1 SLOPE SWALE
(MAIN SWALE)
(a + b) (h) x =VOLUME
2
(8.0' + 2.0') (1) (837.0 LF) 4,185.0 cf
2
II AREA II: STORAGE IN SOIL VOIDS = ((2)* 1/2bh) x LF x 0.20(void ratio) = VOLUME
B(ALL SWALES) (2) 1/2 (3') (1.0) x 2244.0' x 0.20 = 1346.4 cf
0
111 III: STORAGE IN SOIL VOIDS =SWALE AREA x LF x 0.20(void ratio) = VOLUME
(21- SWALE) (20') (1.5') x 1407.0 LF x .20 = 8,.442.0 cf
III: STORAGE IN SOIL VOIDS =SWALE AREA x LF x 0.20(void ratio) = VOLUME
(8' SWALE) (8') (1.5') x 837.0 LF x .20 = 2,009.0 cf
TOTAL 39.901.0 cf
* 39,901 CU FT OF STORAGE = 4.36" STORAGE
4.36" STORAGE > 10 YEAR/ 2 HR STORM (4.3')
5 4 3 2
R/w R/W
45' WIDE RIGHT-OF-WAY
z 22.5' 22.5'
w
10.0' 10.0' 2' 2' ABC 20' PAVED SURFACE 2' qgC 2' 10.0 10.0'
w SHLDR. SHLDR. w
10
1.0' LOP I ELEV = 4.2' 1 " ELEV = 4 3' ELEV = 4150', ] v)
S OP I4 /F /4 � i 4" PER FT i 4" PER FT /4 /FT �4 . 3 c�
-I
~ ELEV = 3.2' \
i I SHWT 1.5 �i.�% � ���;
1 1.j5 I ELEV = 1. T' - CO ER
L--------J---------------------J
WATERLINE
PREPARED, GRADED & COMPACTED SUBGRADES
2" TYPE 1-2 ASPHALT
SECTION 6-F /' 8" AGGREGATE BASE COURSE
2- WIDE, 8" THICK ABC STONE SHOULDER
STORMWATER RETENTION X-SECTION SECTION 4-E
NOT TO SCALE
' ROAD CROSS SECTION
NOT TO SCALE
ROADWAY SHALL MEET ALL APPLICABLE NCDOT STANDARDS
I '
1 J6
�J CL (P) SWALE
�j 21 WIDE/15 BOTTOM\�
y 1.0' DEEP
-3:1 SLOPE
FRONTING ALL pUPNSEfl
w LOTS AS SHOWN UK[ CHAIR CL (P) SWALE
�--' R.t�" - 8.0- WIDE/ 1.0' DEEP
TOP OF BA acres -3:1 SLOPE _
4
PRIOR T .... ING �d° ��® FRONTING ALL
LOTS AS SHOWN SWALE OVERFLOW
r f t �� f s
TO (E) ROADSIDE SWALE
_
L fz, Lot 18 -
0,47 res
�- ?1,17 08 sq Ft 11AR1 La} 4 4 E1�4.21` {_ _
1 =' g
500� . ( U4 acres al
1 j
-!.37 AC) 15,0� .00 Sq Ft 1 0,34
1 15,000,00 Sq It :��I fL390''
L La 1 17
_ Q l ! 1 1 =y I EL3.8$ -7 048 a,re, _ _ � I
1
�- _'0M.2 sq Ft BUE�0A1 �� 1 1 I �77�Lot ? 7�. I I
- _ 15000.0 S F -�1 I K4 acres <
rD'MBIMBI 3 (. _�7 AC i 1 1 _ JI III i5,.00 Sq ft 7� / 7I ! al
-� � ! 1 �,C / 7 034 ages I
15,0001 Yj f C I
-�� 01 acres EL4.44
I
20,834,61 sq ft ' - _' �� 0��0 �✓)J�c- - le / � lam` T
- I I
BUILDABLE _�__
15000.0 SF 1 _ �1 ��. RJ8.;,
(. 37 A C - III
_ M fir',
Q-1:3,53'
at 5
at '-
_� GAT;,q EL392' 1 EL:4,7$
�- 20,CS41 gL S ft 1Q_
15000 U S 1 - at
TOP OF BANK L i f l '1ot 14
PRIOR TO DREDGING _ 0.48 acres` 1 - _ - - q 3
�- 20,845,13 sq Ft LBUILDAULL __ 1 j�
1- EL13
0 SF
Lot 7 rn�
„1 Lei 13 - - J 7�� 1 1 1_ _ -�, , o,�� acra - _ -
053 acres BU.LCABLE _ 1 -
336'
1 � P3,0�094 sq ft 1 s000.a ;F EL13.60' j 1� - � - _ �1J' - _ EL�3.53' � L �� A c } Et,3.64' / - - ��� -�
p 6-yJz ' _ 0,1jO GcrPS _
1' 1 r _ �'1;7.00 sq f I
Big
SECTION SIX
HATTERAS COLONY
ON
r 1 I AO 1L i3 i�LL)AE3LL ✓,1 ( 1 _ J U p I `^ E .11/
054 a_CreS 130C)0.00 S F �
5 [+ (_34 AC) Z�&/
LL- -- - v ��- ���
J
°,iT1z0�',J �081' S i 0.�� � � � \ \ Lot 9
0 48 acr
- - - - - 1RU0 OAHI_F 0. 1 at 10 \ 6 20,8%3C q ft 7 /
a. 0.48 arreS v '�v I
m
/ / EL!3,71'
EL.3,72'
?p (e vA, �-
/ EL:3,65'
'M 034'
r
rnap l r l € (4 Jw %b yid ��co
1
PRIOR TO EXCAVATION
CALL
CAROL/NA ONE CALL
1-800-632-4949 +
AnM
TAT DATA SMOV ON TAW PLAN a B£1 TkW
m BE ACCUNAt& BUT ME ALti MCY S MOT F
GiMRAN7ZM COAMRE AACTORS ARESAONS.ME
fOR 7H4E v�c-AT�ow OIE ALL OAYEAf5iGN6i
TME-T, AAA car,AMW OF EXlSA6MG urRm�s
PAN78P 70 £XrAYATAOW AAU LIRNSIIFGICAIOML R
ANT OPAAgiES ARE f0�fA140; wnAir sHur
CEASE MMW MOTAFI f1M ar OMGG ME
1N71?K Mr CaY7i1h9UE ww NOW fww
7y-
/V /-z
REVISION COPY 8-26-04
hi aucs
20,8%1 sq It
- 1 f D,181.55 so ft I ------- - ----- -
1 ! - - I / Eo' "$� \ / = ENGINEER SEAL ,
L�- mM��---_.._---� j �J
Ei�3,10 �h�w�.. �..
EL' S21r�N EL:3,$2' . .1 •". 3 --
S 89°5B'06' h }13.10' oN
EL�3,46 NII a l + � •,,..... H+'2100
0-:4.76' CL (P) SWALE EL14,60' JUAARIAFT H. IUIIILS
21- WIDE/15' BOTTOM , SEAL
1.0' DEEP Imo; 24740
- 3:1 SLOPE 4v
FRONTING ALL E MON EL:2,19' :�Fp �HGlN�E '`��•`
LOTS AS SHOWN MOIL'
ICK N.
PROJECT NUMBER 03894
PROJECT CONTACTS:
CUTTY SARK , L.L.C.
GRAPHIC SCALE COPYRIGHT 02004
THIS DOCUMENT IS THE PROPERTY OF APPROVALS DATE
so o ao so izo a
HOUSE ENGINEERING, P.C. AND MAY NOT DRAWN M. JACKSON 02-05-(
BE USED MODIFIED OR ADAPTED WITHOUT
THE EXPRESS WRITTEN PERMISSION OF CHECKED R. HOUSE 02-1 1---(
(IN FEET) THE OWNER. COPIES MAY BE PRODUCED. ENGINEER R. HOUSE 02-1 1 --(
1 inch = 60 tt REVISED DRAWING TO COMPLY WITH HIGH DENSITY SUBMITTED
B STANDARDS 5-26-04 MJ R. HOUSE 02-12-(
RECIEVED
REVISED DRAWING TO COMPLY WITH HIGH DENSITY
A STANDARDS 4-26-04 MJ APPLICABLE DRAWING TOLERANCES
LTR DESCRIPTION DATE BY:
REVISIONS
8
7
6
-_
5
4
3
2
Il
't'�y
��
� • . , -•! ��� „
„ .„t. n}� tT.,.'y,,,,'��..�yx�tr'tt, te-1'�i"S'
•
a' V��- ,. I -t , ..,
� - ��-. "�.-`.1 11 1 ... t.. ..-- --.
3.4
--r-r-r r-r-r-r-r--
ENGINEER I NGv
Pe •
P.O. BOX 466
KITTY HAWK, NORTH CAROLINA 27949
OFFICE: [phone]
FAX: [phone]
e-mail: rickhouse(§)houseengineering.com
STORMWATER MANAGEMENT PLAN
CUTTY SARK SUBDIVISION
AVON-KINNAKEET TOWNSHIP
DARE COUNTY
NORTH Fo CAROLINA
CUTTY SARK, L.L.C.
SIZE DRAWING NUMBER REV SHEET NO.
D 03894 B 1
OF
CAD FILENAME: 03894 SCALE: AS SHOWN
1
E
C
/R,

L
5
R/W
2
R/W
0-1- RIP
1
E
11
�
C
SITE
al wul !j 1MM AAVON) NC
VICINITY MAP (NTS)
uRVE DATA
Id
Delta
Rados
Arc Leath
De ree
Chard
Ch Bear
Cl
96'30'00'
60,00'
101.05,
95'29'35'
892,
S 61,15,00, V
C2
22'57'42'
60,00'
24,8T
95'2T35'
2328'
S 1131,09, V
C3
22'57'42'
105,00'
42,08'
54'34'03'
41,80'
S 1'31'09' V
C4
28'53'N
45.00`
22,69'
127'19'26'
22.45'
S 1'2644' E
C5
12'31'06'
4500'
9.83'
121'19`26'
9.81'
S 22'09101' E
C6
60'46'29'
45.OD'
47.73'
127'19`26'
450'
S 1'584T V
C7
75'14'31'
COO'
59,09`
127`1YN
54.94'
S 69'S9109' V
C8
41'637'
45.00'
32.84'
1271T26'
3211,
N 51'29'17' V
C9
38'56'33'
45 0'
3057
12719'26'
30 F
N 11'06'42' V
C10
46'03'00'
45 0'
X17'
12719'26'
M,
N 31`23'1115' E
Cll
41'24'35'
45.00'
3252'
1271726'
HE
N 3T42'17' E
C12
22'57'42'
60A0'
24.05'
95'29'35'
23.88,
N 111'09' E
C13
22'1
105,00'
42.08'
54'34'03'
41.80'
N 1'31'69' E
C14
96'30'00'
10500,
176.05'
54'34'03'
156.67'
N 61'15'00' E
GENERAL NOTES
1. OWNER/DEVELOPER: CUTTY SARK, L.L.C.
21287 GARRETT HIGHWAY -SUITE 100
OAKLAND, MARYLAND 21550
2. SUBDIVISION PLAT, HORIZONTAL AND VERTICAL SURVEY INFORMATION PROVIDED BY
FREDDY D. RANKIN, P.L.S, ENTITLED, "PRELIMINARY PLAT FOR DON NEMITH-GUTTY SARK
SUBDIVISION- AVON-KINNAKEET TOWNSHIP -DARE COUNTY -NORTH CAROLINA,"
3. STORMWATER MANAGEMENT PLAN DEVELOPED IN ACCORDANCE WITH NORTH CAROLINA
ADMINISTRATIVE CODE/NCDENR-ENVIRONMENTAL MANAGEMENT COMMISSION STORMWATER
MANAGEMENT DOCUMENT T15A:02H.1000.
4. PROJECT IS DESIGNATED AS "LOW DENSITY PROJECT" AND IS DEVELOPED IN ACCORDANCE
WITH DEFINITION FROM REFERENCE (NOTE 3) SECTION 15A NCAC 02H.1003 SUBSECTION
(1) AND RULES .1005 THROUGH .1007.
5. SWALES DESIGNED PER REFERENCE (NOTE 3) SECTION 15A NCAC 02H .1008,
6. AN OPERATION AND MAINTAINANCE PLAN SHALL BE PROVIDED AND SIGNED BY
RESPONSIBLE PARTY PER REFERENCE (NOTE 3) SECTION 15 NCAN 02H.1003 SUBSECTION
(9).
7. DARE COUNTY HEALTH DEPARTMENT REQUIRES FILL AN ALL LOTS TO MEET SEPARATION
REQUIREMENTS FROM WATER TABLE.
8. DARE COUNTY ZONING REQUIRES NO MORE THAN 30% IMPERVIOUS COVERAGE ON ANY
LOT IN THIS SUBDIVISION.
TOTALS;
RIGHT OF WAY AREA =
53,481 SF
IMPERVIOUS ROAD COVERAGE =
24,207 SF
TOTAL IMPERV COVERAGE IN RIGHT OF WAY =
24,207 SF
IMPERVIOUS LOT COVERAGE =
91,500 SF
TOTAL IMPERVIOUS COVERAGE -
115,707 SF
TOTAL PROJECT AREA =
420,961 SF
% IMPERVIOUS COVERAGE =
27.5%
ALLOWABLE IMPERVIOUS COVERAGE -
30%
STORMWATER VOLUME (3" OVER IMP. SURFACES) = 115.707 SF x .358 FT (4.3" STORMWATER) x .95 (RUNOFF COIFFICIENT)
O=39,388.6 CU FT (STORAGE REQUIRED)
AREA 1: SWALE STORMWATER RETENTION VOLUME
20.0' WIDE 14' FLAT BOTTOM, 1' DEEP, 3/1 SLOPE SWALE
(MAIN SWALE)
(a + b) (h) x L = VOLUME
2
(20.0' + 14.0') (1) (1407.0 LF) = 23,919.0 cf
2
AREA I: SWALE STORMWATER RETENTION VOLUME
8- WIDE 2' FLAT BOTTOM, 1' DEEP, 3/1 SLOPE SWALE
(MAIN SWALE)
(o + b) (h) x L = VOLUME
2
(8.0' + 2.0') (1) (837.0 LF) = 4,185.0 cf
2 =
DAREA II: STORAGE IN SOIL VOIDS - ((2}* 1/2bh) x LF x 0.20{void ratio) VOLUME
B(ALL SWALES) (2) 1/2 (3') (1.0) x 2244.0' x 0.20 = 1346.4 cf
k I k III: STORAGE IN SOIL VOIDS =SWALE AREA x LF x 0.20(void ratio) = VOLUME
(21' SWALE) (20') (1.5') x 1407.0 LF x .20 = 8,442.0 of
III: STORAGE IN SOIL VOIDS =SWALE AREA x LF x 0.20(void ratio) = VOLUME
(8' SWALE) (8') (1.5') x 837.0 LF x .20 = 22,009.0 cf
TOTAL 39,901.0 cf
* 39,901 CU FT OF STORAGE = 4.36" STORAGE
4.36" STORAGE > 10 YEAR/ 2 HR STORM (4.3")
I 1:0' O 1 su I I
r I�-
- -
- ---- -{
k 1.5' III
SECTION 6-F
STORMWATER RETENTION X-SECTION
NOT TO SCALE
CL (P) SWALE
21' WIDE/15' BOTTOM
1.0' DEEP
NIF V. KCI1♦M
45' WIDE RIGHT-OF-WAY
22.5'
z
w 10.0'
10.0'
2'
2' ABC
20' PAVED SURFACE
w
SHLDR.
-
ELEV = 4.2'
10'
ELEV = 4.3'
Z
0i
{h
/4
1/4"
i 4" PER FT
�LoP
�
SH�WT
1.5
ELEV = 1.7
--
1 I-3:1 SLOPE
FRONTING ALL
r 1 LOTS AS SHOWN CL P SWALE
UNRUL Cf]R P ( )
r' - 8.0' WIDE/ 1.0' DEEP
= TOP OF BANK acres -3:1 SLOPE
$'
PRIOR TO DREDGING / 53 400 f t _ -,�QdQa FRONTING ALL
LOTS AS SHOWN
Lot
I _ EL3,73 _
1 Q L 49 Yes
�1,179N sq rt BUILDABLE 111of 4 I 1 EL4,2
1 _ 3DQQm ��"yRr {. AC)k L . 8' 034 acres 16 'I of 3 7
1 a 114 acres
15,UIJ0.00 sq ft 1 11q,000,00 sy f 11 l7 EL,390'
I
L 0 [ at 17 _ J I o
a
�I 0.48 acres _ I l 7
NN9.1L s ft RLAI.DABI F I I 7 ��� MIl� I I
r_ n q 5000.r� I 1 1 7 7 0,34 acres 7 I I
��a� (-.57 AC) 1 7 1j,000,00 sq Ft 1 of 1 7
-j � 7 7� D4 acres 7
J 1 r _j _I �= EL:2,74'7:
EL:4.44
0�48 acres
-- 2C,834b1 sq ft
BUILDABLE
-�
15000.0 5F
l fl 1 - _ _ Q ✓ ,_�7 AC; $ IL353'
q
L
acrcS
Ir I I 23,870,00 sq Ft
L' ' ELAN
r 20,841,2? sq f t
BU12DABLF 3 ( _ E '
5000L0 SF
' I c l _ C acres
I
TOP OF BANK ff m Lot 11 J _ _ +
PRIOR TO DREDGING 0.48 amps
�:3,26'
_ 90,815.13 sq Ft BUILDABLE EL:3,23'
15C)OO 0 SF _ �G off°
Lot
«,I Eat 13 ��� ��� I :> , 1 I•�_ =��� 0,52 acres
1 I 0�73 acres BuILDABE I g2,5B8,q Sq ft
.3,36'
I I 83,08094 sq f} 1 �,ac� AC `SF EL:3,60' � !s ��� � � EU3,53'
{.3� AC) EL,3,60 n,
V
-� _ �1p� 0.50 acres
sq f t
Lot 19 HU11 BAF3I L1
1 83,3b8,85 S ft (.34 Ac)
1 / q 0Q_j
got 9
-MR� 304 31p'EL!3,80'
- - - - (BUILDABLE �$ Lot 10 20,096 Y sq It
I If a ; of 11 EL:4,05' ? 7 >�2 �5 `�IM8 acres \�
ax' I I,5i acres
�� 20 89b,35 sq
_3 :I I 83,18155;q
10'
EV = 4.5'
1PER F
PREPARED, GRADED & COMPACTED SUBGRAD€S
2" TYPE 1-2 ASPHALT
8" AGGREGATE BASE COURSE
2' WIDE, 8" THICK ABC STONE SHOULDER
SECTION 4-E
ROAD CROSS SECTION
NOT TO SCALE
ROADWAY SHALL MEET ALL APPLICABLE NCDOT STANDARDS
`t'
1
a _
SWALE OVERFLOW
!' TO (E) ROADSIDE SWALE
:l1NIR�II �'
HNER
�- S�Qa1,�S°E.
N JQ�Q7/° _
SLUEN SIX
H�1If R43 �rlf�tur
a,
r
E .14`i
I � J
I` I EL:3.71'
EL:3,72'
r
EL:3,65'
-XLT87'
'1 K I134'
2' ABC 2' 10.0'
SHLDR.
�4•IFT �4•
S4 op
3-
3' MIN
COVER
WATERLINE
F-
z
w
M
w
En
w
c�
Z
it
Q
REVISION COPY 8-26-04
a RRL 7 ENGINEER SEAL
- - __._ - - - _
La2` .� .t�.,111 1. j 1;
?96S' EL;3.70' E 0
/ S 9°5I 10.70' aN` � ..;I
EL�3,46` Miiv f : v� ��•
EL:4,76' CL SWALE EL�4,60' aostrH A. KEER, JR, ? __:
P
( } MAR6AREI M MUTES SEAL 9� ` 't =
21' WIDE/15' BOTTOM,dJ
1.0' DEEP 24740
-3.1 SLOPE FN ER• J�
FRONTING ALL �Eu. MRN. EL:N9r ., 0 ' GINS , �.
LOTS AS SHOWN Nair` .,� �, ....... \,,.
•,,� / CK A .��•
11,11111111100%
PROJECT NUMBER 03894
PROJECT CONTACTS:
CUTTY SARK , L.LC.
GRAPHIC SCALE COPYRIGHTA2W4
THIS DOCUMENT IS THE PROPERTY OF APPROVALS DATE
0 30 60 120 0 HOUSE ENGINEERING, P.C. AND MAY NOT DRAWN
BE USED MODIFIED OR ADAPTED WITHOUT M. JACKSON 02---05-0
THE EXPRESS WRITTEN PERMISSION OF CHECKED R. HOUSE 02-1 1-0
{ IN FEET) THE OWNER. COPIES MAY BE PRODUCED. ENGINEER
R. HOUSE 02---11-0
1 inch = 60 ft_ B REVISED DRAWING TO COMPLY WITH HIGH DENSITY 5-26-04 MJ SUBMITTED
R. ROUSE 02-12-0
STANDARDS
RELIEVED
REVISED DRAWING TO COMPLY WITH HIGH DENSITY
A STANDARDS 4-26-04 MJ APPLICABLE DRAWING TOLERANCES
LTR DESCRIPTION DATE BY:
REVISIONS
8
7
6
5
4
3
2
T"-7�
T- ! 7 TT.
�..'5 ",i
.{.
PRIOR TO EXCAI VATION
CALL
CAROL/NA ONE CALL
1-800-632-4949
AVM -
TIE DATA &TW MY XMIS PLAN AS ARAM
TU A1£ ACCURIM BUT TIRE ACCURACY 5 All
GfA1MNTEM COAMRACTO" AW RESPOi�/S"
T""�
iW TIRE Yi7WCITTLOV OF ALL DAVEAMONTI
jH
TYPES AM LOCAniolhCi' OF EXTnW WNWES
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AW OPSCJBEPAACES AW YVMW 00M SMU
er" PF_M " AIOTIf7CA"M or DIII& 4EER.
M W AHr Cawn WM NIOTX.'E fmw
EMGAIAEE7P.
�IOUS�
ENGINEER I NGr • •
P.O. BOX 466
KITTY HAWK, NORTH CAROLINA 27949
OFFICE:: [phone]
FAX: [phone]
e-mail: rickhouse0houseengineering.com
STORMWATER MANAGEMENT PLAN
CUTTY SARK SUBDIVISION
AVON-KINNAKEET TOWNSHIP
DARE COUNTY
NORTH CoARROLINA
CUTTY SARK, L.L.C.
SIZE
DRAWING NUMBER
REV
SHEET NO.
D
03894
B
1
OF
CAD FILENAME:
03894
SCALE: AS SHOWN
1
E
C�