SW8881104_Approved Plans_20080215

12.0' j%' 30.0' _ / ,
NOTES BY SURVEYOR 12" PVC OR CMP ZS U VE Y Y:
SR 1303 1``'k'�11 in US 17 1 AREA BY COORDINATES• NCDOT CLASS B RIPRAP CUT IN HALF AND Z W
2 EA.SEMENTS PROPERTY I AND M NERA SUE3JECT TO RIGHTS ANY NRECORDED AND \D ALL TIVE COVENANTS 1' (FT) DEPTH PLACE TPKINS/ NCHOREDIN
34.7 A AL 'di` 'b Az 34.5+ LAND >
3 PROPERTY IS LOCATED IN A FLOOD ZONE. ,�Ak
\
4 IRON RODS PLACED AT ALL CORNERS UNLESS OTHERWISE NOTED. SURVEYING
5 PROPERTY SUBJECT TO ALL ZONING REQUIREMENTS OF on !,ci, A. A
CALABASH,N.C. \ ;\An _,r, v m " AL
\
n�� p P .A.
6 ALL. ELEVATIONS BASED ON ASSUMED DATA USED AT THE o_ 0 /- �/ AL A, 2161 ASH LITTLE RIVER ROAD NW
TIME OF ORIGINAL CONSTRUCTION STAKING. N., f,- .`
s 36"� RCP -� ,` �; 0 ,� \�
ASH, NORTH CAROLINA 28420
�F` / Kiv A.,,, L �`i AL - 910 579-9505 C/1
GRAPHIC SCALE
c� INV. = 35.00' 34.7 ,� ,� \i,_ 34.5 ,o o so ,o eo Leo P4r+ W NMI-73
\ FLARED END W 0 't °'
VEGETATIVE FILTER N\ SECTION � E"� Z
e\�-� \ PLANTED WITH BERMUDA, ( IN r>•;�:r ) /, ,-� a °i
/// BAHIA OR SIMILAR SOD 1 inch = 40 ft (!1 D. O
T'QFF \, SIDE SLOPES OF VEG. FILTER TO BE (4) 3: 1 0 cp Z w O rn
TR4„ \` - NOTE. EXISTING WEIR IS TO BE REMOVED. r"4 `Z U
s 0 C401 VEGETATIVE FILTER DETAIL INSTALL SAME WEIR PLATE ON TREATED = ti
'Q 7 N.T.S. / . �--'' MARINE PLYWOOD 1 " THICK. C.
!_i
F-
�sj SEAL BOTHSIDES AND I9OTTOM. TOPOF `.J
/ \
\ WEIR TO BE AT SAME ELEVATION,T30
39.40: cl? z
// F-1 = z N
+ 34.5 �N 4 4'I .Z H U 0 N
/ _.----- P4 1-4
LOCATION MAP NO SCALE
I / \ ED -- + 35 I -
7 /- --- CO _12 0
i CA VI 8
H c� § O)
\ WATER LEVEL :3335
6 /% O
/ \
�� + 41 AUG. 15,2001 £ ? 4 �i
ems;., 33.5 ‘42 2 , -- � �
+ 38,2
/ // ' /
ma
39 L.
Elm
+ 34.9 7, *==11, nill ■■■
___,, ,/
_ ______ _ ,/ „\\
+ J.r + 44.2 = i� ....,
i
KIM
/ + . 8.3
A
\ 44 .8 � +
r \\ \ / i 38 5 1- 43 9
/ /
------A-- �;- C� /
�- 35.5 , , SEE ENLARGED PLAN
- \
0 0
\\\
+ 43.9EPA '�i / \ i W2 cc
)\ \ \ L�
V J
1 \ ; 41)
L--
V ' -
l9/ ' -'-\ , 36-•)'
/i
Cr)
T i i // S
1�— �, i CC
/ �-� PNPL r
/i
�� REMOVE FIRST 5 ' OF
m Z
j l ( �\�` — » W
i/
— = EXISTING CMP (15 ?)
----_� �,� / PLUG REMAINING PORTION Q J
\ /� WITH CONCRETE. ;, 0 (� F—
WATER LEVEL �// �1
v
AUG. 1 5,2001 �/
WJU.5 �
- / z� W
Z1 . i cc
0
/ ,_, ----- . .- EXISTING OUTLET STRUCTURE I-
Z
6 WIER ELEVATION 39. 40 (TOP) CC W 0
__ INV 36 " 35. 72 Q Q I-
__ CI
= -8 ' NEW 36 " CMP WITH FES W C.)
gin,ENT START INV. = 35. 1 0 2 _.
-- \N AT E R LEVEL -� 3�� c FINISH INV. = 35. 0 cr -
_ _ 0
NEW VEGETATIVE FILTER i.-
� O
APPR ` 1MA T E �_A\_ _ _ J cJ C�
_ SEE DETAIL C401
Ai
A
/�!,■!� 3c'� o�f3`'/ : : : : : : H .7;7 iiiiiiiiJ
i
VEGETATIVE FILTER 15• 00 ' OF EXISTING 36 " Illii��"�'�., •V - �- y �� k k k k k k k k k SEAL
PLANTED WITH BERMUDA, CMP TO BE RETAINED APPROVED ���
_ APPRO
EXIST. GROUND NEW 4'x4' CONC. BOX BAHIA OR SIMILAR SOD EXIST. GROUND NEW 4'x4' CONC. BOX \
45 __ WITH GRATING IN TOP - - - - 45 45 - -- -WITH GRATING IN TOP 45 4 4 % /
44 -_ SLAB___ __-- - ._ 44 44 NEW 36" -SLAB - - 44 NEW x PRECAST NORTH CAROLINA ENVIRONMEN i AI .* 'R f� .�a,
43 — -- NEW FLARED— »- - 43
�— 12PVC : RCMP _ 42 43 -CUTLET PIPE__. 43 MANAGEMENT COMMISSIONF�s s. ,., .� .,
42 — — — — END SECTION— — - --- 42 — -- — — -- 42 i O •.•
_ CONCRETE BOX
CUT_�1�_ iALF—AND—_ 41 DIVI< w
41 — I I ANCHORED- IN----PLACE- — 40 41 _ -- �o LION OF WATER QUALITY :a s E ti
39 I I - - - 39 -- ---- - - 39 TOP 42.20 \, -
39 — CJ ��lJ-� CJ 8948
— 38 s -- 38 �� » 2 y ,``�L
NEW 36 _._._.. —. —. 36 —i0 BE -ABANDONED---)- 36 = /': \ \, N V 3 6 CMP O• G I N F<`;�'c`` ":;'.
37 -- EXIST:--36 PIPE -EXIST. 36"-PIPE- T- 37 INV. 35. I 0 � ,� �•.,�y'••••.. .. .��,��.
OUTLET PIPE _---
I� 35 36 ROM POND— S e e ZS -
35 __ -- --- — _ 35 — — — — 35 i 35.9 . 41) H. NO
34 •
33 - — -- _� __ -- ---- 33 33 -- - } — — 33 , v'.- sal •
32 - -- - - -- - -- 32 32 - -- --�- __ " -- 32 CUT & PLUG EXISTING �3 , J A- 6z-
NEW 36" FLEXIBLE REMOVE 36"0 PIPE CUT & PLUG EXIST. 36" )) , �,_: - DESIGNED BY. DR
NEW 36 FLEXIBLE NCDOT CLASS B RIPRAP FLAP VALVE BY IN THIS AREA PIPE HERE 36 CMP 5 BEYOND �- /� DRAWN BY. CMC
RODNEYFLAP ALVE HUNT Y SECTION A-A 1' (FT) DEPTH RODNEY HUNT NEW CONCRETE BOX. %
9UALITY CONTROLI DEC
N❑ SCALE SECTION B— _.----
NO SCALE ABANDON IN PLACE.- SCALE' AS SHOWN
,� FILE NUMBER! 5034
DATE! 06/20/02
SITE PLAN
-.� ENLARGED PLAN AND
SCALE: 1"=20'
DEATILS
SHEET NUMBERS
- Cl
w - OF 1

I
22'/j• V-NOTCH WEIR OUTLET STRUCTURE
IA"
WITH TRASH GUARD.
^ TOP TRASH GUARD = 40 8'
/ \ TOP WEIR = .dS r3' ;,41- Q
I
I INV. WEIR = ,. 8 2 •s TOP OF DAM = 4/ 3'
BOTTOM TRASH GUARD = 36.7'
RISER INV = 35.9'
INFLOW $ 25,
\ \
� ,,/ •�� - - - \I \\ SSTORMWATER STORAGE 1.I' /j / /- \DITCH OUTLE - - - tea' 38. - - - - - -�-- - -NROL�NQ SHORES /NV POND
Cit3i' 1`TO %\
0 PERMANENT POOL 40' OUTLET PIPE DESIGNED TO
/ PASS FLOW
BOOK /3 PAGE 4 /\\. 34 2' \ 1110 PPE OUTLETROM NV.I 35 5'STOAM
\,‘ 4\ \ / ` /,/ /\\ \ /\\ \\�/ \\ \
% vCMP 0 9% ///\\ /
/ \� VEGETATNErr rAI \//�•
\\/ j
FILTER
"1/04 !
WEIGHTED BASE TO PREVENT I *,r/r / `
ANTI-SEEP \\\ \\ •r;;7',
COLLAR \ �`�.�i��'�"
FLOTATION WHEN RISER \ 41:dic.+,
HEIGHT EXCEEDS 6' •
ENERGY DISSIPATOR
U.T PERSIMMON SWAMP
( STREAM CLASSIFICATION C-SWP1
STORMWATER DETENTION POND
• 34.9
n 1 35 5 LARGE CANAL SECT ION ,A A„
o
.•
- J6.6
(NTS1
DITCH INV. = 34.9' . ------------
OUTLET DITCH IS APPROXIMATELY 340' LONG.
ENT/RE LENGTH, BOTTOM, AND SIDE SLOPES
f 40.4 TO BE STABILIZED, GRASSED, AND SEEDED PER t 41.5
40 SPECIFICATIONS TO ACT AS NON-ERODIBLE +4/ s
40 VEGETATIVE FILTER.
42 �1 1,0 03 E /1/ "°
N6B° 43 E
• 75 97 �2'E 4028.6'
DITCH INV. = 35.3' (I 37.0
i PROVIDE F.E.S. 9 22%2• V-NOTCH WEIR OUTLET STRUCTURE '. �3o Ng
OITC lO C.Y RIP-RAP WITH TRASHGUARD. / �3B' •
go
H • • ` CIi INV. = :PDAM /
Z 6 �S /H INV336' /40 s BOTTOM TRASH GUARD = 36.7' CAN
3I 06 \
40 ` RISER INV. 35.9' 26- E 40
f 8 PROVIDE ANTI-SEEP COLLAR WITH /.5' t4/ 3 �3, PROVIDE F.E.S. & RIP RAP IZo=Z� •
4� PROJECTION II PROVIDE F.E.S. 9 NV. = 39.7' LAR6E N ,
N + 4/.P
O /� ON OUTLET PIPE PER EROSION 4/ 5 C.Y. RlP RAP ��"
g0•s -:C�'� F CONTROL PLAN. o� INV. = 39.3' \ 44
< a 42 ,`
I; CA 40 0.1
•
\ DITCH INV. = 39.2' DITCH@ _.:!!!_,!__________-------
'..•: / \/
jog 44\ 'ram DITCH INV. = 38.6' 3 /'�' 0
gB 40
\ \ j1 5�/ / 00
STORMWATER DETENTION
BASIN / 1 C\ -.a l7.IID O 54 E
AREA = 0.75 ACRES -► 40.3 21' 1 ao N 7 �/ \
/ /
MH4B-5 PERMANENT POOL ELEV. = 38.2' IZS' % 1 \'� N \
B.O. BOTTOM ELEV. = 34.2' i \ v1�~ c�\ O- 40 • / \\\ „ `
PROVIDE F.E.S. 1 /
B R/P-RAP MEAN DEPTH = 4.0' • 5° 58 E \ h�IW o \ \� s K•I / �, \\\ /
t 4/i 3 Ns
3 INV. = 39.3' 1 t 4/.4 N O / "i 44 t 42.5 �W \- tat 111�9 / �\ \\\ INV SP =40.8' 43.7 �q)
I �. 40 - 40 40 \`\ m 143.7 t1 6
INV. (inJ l8"0 CMP = 4/.O' , QT w �.42 I 1 \ //
PROVIDE 5 C.Y. = RAP I " TAP 9CORP D �) \ ` m/ STOP
AU
CI
0/1fpQ -440��= GV9B p. 0 \ 3t43./
//6 NI IQPLUG �1 �N\- \�i- \6i'1• td7L5�• _ l8"0 CMP 0.6/. l00 LF p• 1 / 6" PLUGRlM #42.9' \\\ \� 10 RAP 6 i /5' ORA/NAGS EASEMENT �� �'�h , ;::
� 139.44
l8"0 CMP 0.5% ll6 LF qi •i PROVIDE F.E.S. .9 N 2/° 07 E 6" ova B INV. = 40.2' \ �\ 0� SPP tf
42 m�I C.B. # 7 6"x 6" TEE /NV SP. = 40.7' 6 (� q5 / /
5 C.Y. RIP-RAP 44.4 / (FUTURE HYDRANT 0.1°° mot'43.4 •
l5' DRAINAGE EASEMENT 56 C.B. #l4 INV. = 39.3' ` •\ �- I RIM =39.8' 3 40 E _.....---__---.../
'/ CONNECTION) /
40 p�l
\ 6„x 6" TEE • L.S. 1%,-/ I INV. = 39.8' N ' .,../
T _2
RIM = 43.1' 6rr GV 9 B •• .� j INV. SP -40 42 \ \ �' 0 43.3 1 Lf�
• 0 INV. = 40.l S TS MH a��_ \ ‘1*
/_
N RIM - 44.2' 6" PLUG W 6"0 SOCK PIPE 1 �� �° •• rq INV. SP = 40.6 :I//:
(FUTURE HYDRANT ` • i- ySP O %- 44 ta.160 MH#Q-5R/M = 43.4' � � INV. = 39.5' ��-, ,�.. . ��. BOLF Q� .o� 8" PLUG INV. = 40.4' 114,a �- 4-4t t \j CONNECTlON1 43. �' t� ♦13.O / / /I•
°I/,/P5E `� o �4#4 ,ry • / Sp j j SS ' o
IO - S / (G 1111 -- .8 `/W1/ 0 5 J+'43.81 + N Z�
k. �� \�PGE l5"0 RCP 8%_68LF l-'-- 43.B \'� IPE/ / / R/M #I 15.5
hW MH#D-1 �+Q/ /P� 2" TAP 9 CORP STOP MH VA-l L' 120 L 3S O;B{6LF H7#A �. <�• \ INV = 40.4' /
INI B.O. / 0 ?'r GV8 B C65.
3 SOC / •
s
Y / 0 5 P a 1E
�- - -� IN
IVI / / 44.9 P S I. , C.B. #6 \ s Jlp SS f 4a.13
\ .v■ \0 j//\h/ 6„ GV 9 e '/° : 9� SQ s'' R pi / 2gC
\ / \ C.B. #4 RIM=43.4' p /
yI v / C.B. #l2 E / RIM = 44.2' I INV.=40.0' �. \c'h\ 0 , 444.51
4. 3 1 RIM = 42.9' // P\P INV = 40.9' IA' \ \,o�A !NV SP. = 42.0' / 651• 0 0\
O \� INV. = 39.9' \ SCC� INV. SP = 4/.4' I C.B.#5 144.5 •.',,.(. .......,........,.....„.�\ 1y0 / / \�
CO
R O 1. ' , \f \ I I RIM= 43.8' •
\ •
NI I' NV. SP = 40.4 45.2 INV = 40.3' p /
3 *2,
i 1 I \90 I NA INV. SP. = 40.9' s INV SP = 42.5' /
�o (111)
\�" Iy f SS t 1?.!
O r ( \ I 6"x 6" TEE ` - +43"4 t43.2 SS INV. SR = 4/.9' t•44.S �S\\ f 4f.t \
♦` I 44.p 4-45.0 ♦4J.5
�Q 3 0 3io w� •
•
I 6" PLUG y allyram0/ \ \,•,_
es,
<c ��. GF i�
6"x2" REDUCER y A"�l 25' R C.B. #3 \ /
C5 N O 1 (1 �j/ ° RIM = 44.7' v �' W 46
(FUTURE HYDRANT I \./ F TVP \ o -1 MH#A-A
M I I 2„ 90°BEND CONNECT/ON) I p R�//6� INV = 4/.4' I \v ,� .-._ " / " �� .. /
N II '-7/ 1�`�4- INV. n 0 / \5�j / �- $S P
INV SP 4/.5' / C.B. # lO 6 i-- \ o `SS - - /
45.9 46
44 _�� RIM = 43.8' 3 ���� y�� \ 170 LF / \
µ INV = 40.5' �i i ....-1"-----
. 5
y1, C.B. 7F II i ' m \
I II r ' SP�i 2S, 0l 1 Rl M:S4P3.6-, 40.5'
\ \ \ ��� . /I 26/�- T .� MH#B-1 �a m\ : µ ~9I1IINV 40.3' 21Lf -- 50 �ffI ` It45-0, ------- - - _ /5" 1I 3°�� A .6S 0 \ `,\ \\ '.� - _ ..--__-_ 46MH7xA 3 " / -------- 13 q•t 44.sl - - __ _ ._ _0 RCP _ 0-;- 5 •W
-�- W --- - RG� / 15. / C.B. #Bi/\ � � _ r �O`5�/M/N FREEBOARD
" - _ t74 0.3% � 0 i / - �. MAX. FLOW LEVEL11 SS Id°\ W 5� / 0.1•°' R!M - 44.3 \ \ • \e� a hm SP PE INV. = 4/.2' m -�« ,_ t 47 3 /" Z \1\- (100 YR STORMJ / A• �� . 3 -� t.44.2 ` �I I ON / P� INV SR = 41.7' 46 a� Af
�44.4 0=F ■ I I ��� / 00 t.3.6 \ �P\ \� \•• --�--SS � • 0 1 .f.44.0 i i . )\45.4 1\ j
�1-.. �'� MH#8-3 In �� 6�0 ,-,�/ \ , /� \ PERMANENT` SSl20 L T8_2 INV. SP = 4/.2' O \ 49 3.5' \\ !, GRASS COVER 3.0'
p 1 _ U° �,1\ '1 / A/ \ \l\ BOTTOM 8 `I
SIDE SLOPES
2" TAP 9 CORP i� 'I j
co 2'Sc°&e I
c.a. #s o I�W %/� 91
6" GV B B RC.
= 43.6' r' l I le' �/
___.--1\\
INV. = 40.5' T
JINV SP= 4/.0' INV. SP = 42.2' I I T 4 \
/ ,, \ • 60
0 \116 I i I/ 411111T +4i , VEGETATIVE FILTER
•
4S.I /• "-- -� t 44.1 4 .0�, � 8' 0CMP@0.3% 46
INV. = 41.4' --�--- -_,_�_' _.. /5 ORA/NAG (8 LFJ _��--- _ \ / / SECTION B B -.
-� -E EA INV. = 4/.9' \ \ \.. INV = 43.9' NT f
•SEMENT
yo / 411 J/
B.O. ��
•
STS MH 1 "
--�_� --�__.. INV (IN) = 44.5' i
_ I " INV. (OUT) = 42.0' \ \ ,_
41 MHY#C-1 i
•
•
18"E CMP a� 0.3% ( 8 L F) ' .� j O / \\/\\ L
INV. (IN) = 44.6' i trECEF E Li
Yi3 \
f44. s \ -I•
17 6 •is i -" / • DETENTION BASIN
44 i / DAM OUTLET PIPE NOV /� �y
/ Ir.- .""/ / \\� 36"0 CMP 0.9% V ( `1 1988
P /•
RCS /
I j8 / p , 188_1 \ o
FUTURE DEVELOPMENT \\ \ \\ i 41, 0 RIP-RAP
�_ � ENERGY PERMANENT EXISTINGTIE-IN TO
I ( 3.16 AC.) ��/ 5 05�/ DISSIPATOR GRASS COVER DITCH
•
\; \\
A / j N( 7 i [ 47 4I/ O.l% SLOPE ---). le LEGEND
\\� \\\j"\\\ \\\, \\\G \\\ i \\T i \\\' \\\ �i \\\' \\\ -\,\i\\ \\\i '
+44.9 I N,� I I t 45.3 EXISTING GRADE
4-- TOTAL LENGTH OF VEGETATIVE FILTER ' 340'1
INV = 44.8' 1111
t44.5 FINAL GRACE
46
--42-- EXISTING CONTOUR LINE
479I VEGETATIVE FILTER 46- FINAL CONTOUR LINE
INV. = 41.7'
- // �"' -SP- SOCK PIPE
SECTION ��C* C"
NTS) DRAINAGE FLOW
44
.../.....---
--______________
/ W WATER LINE
R/w -- - SS SANITARY SEWER LINE
45.9
DITCH
•
E= -_] STORM SEWER PIPING
WEIR ACCESS DOOR
2 C CEDAR TREE @CALABASH �Q II CB CATCH BASIN
S g o
92 i' C_ ,
WIRE GRATINGiv
E
...• 4.
' • ®� MH MANHOLE
• �9�1����'� r�� �1 Stormwater Control System ,, 1 ,/ ENVIRONMENTAL ® L.S LIFT STATION
A I�1 ,'� ' A iOperation and Management Procedures �N ����G � 1
DIVISION OF WATER QUALITY
`S - H/Ghtw,,,4Y i The Stormwater Management System, to include but not 1 i r;i ec;
/7 / ' ' �9ti___,•v
� to all swales, ditr:hes , infiltration and collection devices , S W� �� ( U 4-
i
PLAN .+ "� 1r stormwater collection basin, inlet and outlet structures sham t.:e 4
k< 6o• , I • �` WELDS owned and •operated by Cedar Tree @ Calabash.
TACK WELD 11104%:42L1110110EDAR TREE © CALABASH
ALL AROUND T . 48" RISER Operation and maintenance shall include :
1.5' �f ` I - DEVELOPED BY -
=A �=� 3 '4 fi ditches, swalzs, ipes, or other OCEANSIDE CORPORATION
SUPPORT BAR ✓- M� A 1 . Inspect ail catch basins, p
(SIZE 06 60' TRASH,GUARD
iiiii-
`r ` ANDw. STORM WATERMANAGEMENT
� ` �,/ PIPE 2. Mow all gassed areas, including vegetative filters, slvaleS, PLAN
fTYP1CALJ ' \ -� basin bans, etc. monthly or as needed according to growing
�. T ` season .
0.w ✓OSEPH S. HILL, JR. and ASSOCIATES
�,� 1.4 48"-mil , 3. Inspect outlet structure monthly and immediately following
PROVIDE CONCREYE RISER SECT/ON 22/• V-NOTCH WEIR- BRAZE ISOMETRIC events . Clean outlet structure of debris or CONSULTING ENGINEERS and PLANNERS
ANCHORS INTEGRAL 1/4' THICK, 10" WIDE FLAT precipitation
TO RISER BASE A-A ALUMINUM PLATE ONTO 10" obstructions. • W/LM/NGTON, N. C.
WIDE CUT IN RISER SECTION.
CUT 22%p• V-NOTCH WEIR AT ELEVATION
SHOWN. WEIR NOTCH HEIGHT = I. .
BEVEL DOWNSTREAM EDGE AT I.e. S DESIGN JSH
' 45• ANGLE. UPSTREAM EDGE Annually: oo°° ' DRAWN
TO BE SMOOTH AND SHARP. s����� ��%I' '' PVA
j Measure dlPtention pond bottom annually at sufficient points � ,,•-F,55i( CHECKED
to monitor• sediment accumulation . Sediment shall be removed /o y ✓sH
OUTLET STRUCTURE WITH when an average accumulation of one (1 ) foot of sediment a. SEAL SCALE
STORMWATER CONTROL WEIR occurs. i 8982 I" = 50'
L F `<, . r DATE
j %,`/Q/� "G I N NOVEMBER /988
,'''•
`PI/ S \\\\\�`� SHEET
. I of 1
///S/00 REVISIONS AUGUST 1988, NOV 1988
OCTOBER 1988
■mw
A