52-15 Minor Mod 2021 Town of Sunset Beach Oversized Plans

I
x
rJ
0
0
00
CD
z
':_4" EXISTING OYSTER ��NC GRID NORTH
DOME SILLS NAD 83-2011
EXISTING OYSTER J
(PREVIOUSLY
BAG SILL 4 PERMITTED)
(PREVIOUSLY 41
PERMITTED)
0
' f
PROPOSED 36' X 8',\
NHW- OYSTER DOME SILL
El
x 1 V )
�,� ❑ 5
''WETLAND 08-1 '1-J
<,r \ s
X
CJ
\ �J ❑ x \ CZ
000
30' CAMA BUFFER, vv vv �v �' `v y
(BASED ON 8-11-2021 NHW) x0 v ` \
\ e
N
P_ 1 vv vv 1x v v
\ \ o
1 � PROPOSED 60' X 6OYS�TER
\ \ \\ SHELL/%IARL/BAG SILL
\ (5' GAP BETWEEN) \\
X
75' AEC \ -� \\ \\ 1 \\ \\
(BASED ON 8-11-2021 NHW) 1 Pv v v A
- \ �OSTQA
\\ \ \ \
�.. v v ` v v
X X ` \` \\ 3 - PROP\OSED LO-PRO'BALL
POST—"
MODULES \ ,
\ \
\ \ \\ \\ \ \\ (SEE DETAIL) \ \ rn
i �x NHW\
jj
CO ;STRUCTION EN�RANCE
EXISTING PERMEABLE \ \\ \ \ OVER POTENTIAL WETLAND,
PAVER WALKWAY X X PLACEMARSH/VEGETATION
PROTEQTION MAT
<,� (SEE DETAILS) \
1X �� .. ✓ r? i V A A
\ Y \
EXISTING COVERED ` WETLANDS\
GAZEBO X VI A� \v '� — NORMAL, HIGH WATER (8-11-2621)
PROPERTY LINE (AS SHOWN \\
WETLANDS it V ���� vv �i ON BOUNDARY SURVEY BY
v \ EAST COAST ENGINEERING
�� \� �� j �' AND SURVEYING, P.C. DATED
X
� y 7-23-2013)
EXISTING RESTROOM DCM W
COASTAL ETLAND �� �� X �� y
LINE (FLAGS SURVEYED BY�
FACILITY - X i X\
COASTAL_ GEOMATICS, eC: ` \ \ \ \ SEDGE OF MARSH AS
8-11-2021) T \� / \ LOCATED BY COASTAL\
GE.OMAH S SURVEY
6-21.-2021
kFt4A,PICS
—NNW
JTILITY EASEMENT O � x
D_B- 1369. PG. 72% CIF ^d \s
M.C- 21, PC, 398 V - v \ y A �'� X wv
X
4"E 173.05' Q ` `X
r � '
I \
I EXISTING 2—STORY c11
RES.AURANT
EXISTING LO—PRO
BALL MODULE
(PREVIOUSLY
PERMITTED)
N 1' 29' 07"E 209.89'
RONALD C. HOLDEN
DEED BOOK 258, PAG- 936
MAP CABINET 7, PAC—- 23
TAX PARCEL 256Gr__12
ZONED : SB—MB
USE: RESTAURANT,
01
SUNSET BLVD. N
R/W
LIVING SHORELINE EXPANSION
PLAN VIEW
1
30 15 0 30 60 90
SCALE 1 '° = 30'
0+00
0+50
4
EXISTING RIPRAP
REVETMENT
MARSH
CANTING
-
�_..ZONE
M H W
O
WISTANCE_
- . - ----
VARIES)
(BASED
ON
OYSTER
DOMES
NAVD 88)
_ 2
$ --
2.0' MAX
HEIGHT
OYSTERS HIGH
_
6
MINI BAY REEF BALL
®- --
_
- -- - - -
BAY BALL MODULE
MLA'
i
OYSTERS LOW
10
Op
Nr,j �m
,
1+00
—2
—4
1+00
SECTION P- I OYSTER DOME SILL 0 10 20 40
I "=20' HORIZONTAL
1 "=4' VERTICAL
a
EXISTING RIPRAP
REVETMENT
'-00 0+50 1 +00 1 +50
2 PLANTING
_ __ -. - --- -- -
i 4
ZONE i
MHW 0
OYSTER
(DISTANCE sxELt
(BASED VARIES) BAG SILL -
ON 6, �—
NAVD 88
- 2 - - - - - --- —__- 0
4 - - 1 S' MAX
- _ _ HEIGHT 2
- —
6 OYSTERS HIGH
N
N
lf% vj
1 +00
0 10 20 40
SECTION P-2 OYSTER BAG SILL
I "=20' HORIZONTAL
1 "=4' VERTICAL
SITE ADDRESS: 206 SUNSET BOULEVARD NORTH
SUNSET BEACH, NC 28468
HATCH LEGEND
EXISTING PERMEABLE
PAVER WALKWAY
r
EXISTING CONCRETE PAD
PROPOSED OYSTER DOME
❑ ❑
SILL
PROPOSED OYSTER SHELL/
MARL/ BAG SILL
COASTAL WETLANDS
GrN-7RAL NOTES:
l.) FOR WETLAND CROSSING USE A MARSH VEGETATION MAT. APPROVED PRODUCTS INCLUDE
PRESTO GEOSYSTEMS GEOTERRA GTO CONSTRUCTION MATS, OR GREATMATS GROUND
PROTECTION MATS (OR APPROVED EQUAL).
2.) WATERWARD EDGE OF COASTAL WETLANDS MARKED BY LOCATING EXISTING SMOOTH
CORDGRASS (Spartina alterniflora). NO HYDRIC SOILS TESTING PREFORMED.
LANDWARD COASTAL WETLAND DELINEATION PREFORMED BY LAND MANAGEMENT
GROUP.
3.) USACE EASEMENT SHOULD BE STAKED PRIOR TO CONSTRUCTION OF OYSTER SILLS TO
ENSURE NO ENCROACHMENT OCCURS.
NOTES FOR RIP RAP SILLS (OYSTER DOME & OYSTER BAG SILLS):
1.) THE HEIGHT OF SILLS SHALL NOT EXCEED SIX INCHES ABOVE MEAN HIGH WATER, NORMAL WATER U VEL, OR THE
HEIGHT OF THE ADJACENT WETLAND SUBSTRATE, WHICHEVER IS GRFATER.
2,) THE SILLS SHALL HAVE AT LEAST ONE FIVE-FOOT DROP -DOWN OR OPENING EVERY 100 FEET AND MA) BE STAGGERED OR
OVERLAPPED OR LEFT OPEN AS LONG AS THE FIVE-FOOT DROP -DOWN OR SEPARATION BETWEEN SECIONS IS
MAINTAINED,
3.) THE RIPRAP STRUCTURE SHALL NOT EXCEED A SLOPE OF A ONE FOOT RISE OVER A TWO FOOT HORIM-STAL DISTANCE
AND A MINIMUM SLOPE OF A ONE AND A HALF FOOT RISE OVER A ONV FOOT HORIZONTAL DISTANCE. ME WIDTH OF THE
STRUCTURE ON THE BOTTOM SHALL BE NO WIDER THAN 15 FEET.
4.) SILLS SHALL BE MARKED AT 50 FOOT INTERVALS WITH YELLOW REFL ECTORS EXTENDING AT LEAST TTREE FEET ABOVE
MEAN HIGH WATER LEVEL.
5.) IF CROSSING WETLANDS WITH MECHANIZED CONSTRUCTION EQUIPMENT IS NECESSARY, TEMPOR.NRY--ONSTRUCTION
MATS SHALL BE UTILIZED FOR THE AREAS TO BE CROSSED. THE TEMPORARY MATS SHALL BE RENIOV1D IMMEDIATELY
UPON COMPLETION OF THE CONSTRUCTION OF THE RIP RAP STRUCTURE.
RECEIVE[
OCT 12 2021
DCM WIL.MINGTON, NC
Revisions
7-20-2021 Revision to oyster
Come sill footprint.
9-29-2021 Revision to add
DCM flagged & surveyed
NHW line and coastal
wetland line.
LO
00
N
N• q, U
UV)
00 o �,
•
1---
'It'C
Z
LO `7
J
Z
�0 N
V)
C X C
tll
.�
o
L
E
* !rIJ
•
iL
•�
CL/
W
z
W
Q
LO
V)
I
"LL
't
00
U N
C)
cn
'00
WNN
0
UW
V)0 p
cC°U
4—
()
� o
�OZ
z
cr,
W
W
� N
o
Date: 07-01-2021
Scale: V = 30'
Drawn By: IDS
Checked By: JCR
FINAL DESIGN
ISSUED FOR REVIEW
THIS PLAN IS NOT ISSUED FOR
CONSTRUCTION WITHOUT AFFIXED
CORPORATE SEAL.
�N CAR,`
SEAL
35054 -
v '. 9-30-2021
I N��CQ 4i~
�'�,, �STIAN R�\•`
SHEET lOF2
1 I
2021 This drawing shall not be reproduced in whole or in part without written permission of East Coast Engineering, P.C.
ECE PROJECT NO. 2700.19

Revisions
ff
V
1' 5 "tall
• 2' diameter
• surface area 17 sq f
• welg 4t 200 lbs.
• average number of holes 12
• wavy bottom
• interconnecting holes
• fi er reinforced marine grade concrete
• pH is neutralized or adjusted to request
• aggregated exposed outside surface texture
Adadyles may vary;n weight card h�Wghr, from the production pMeess,
8
LO-PRO REEF BALL DETAIL
NTS
• 1' 7" tl l
2' rx max. diameter
surface area 29 sq ft
average number of holes lit
wavey bottom
interconnecting hales
aggregated exposed outside surface
texture
Weight 00ll.
APPROXIMATE OYSTER/MARL BAG
DIMENSIONS
0.6 6'
2' 0.5'
NOTES:
10 KA A V -;__ I(- LJT
base &wn eter r
• 1 tal1.
• ' feet base dialmeter
surface area 40 sq ft
• average number of holes 14
wavy bottom
• InterconnecOng holes
aggregated exposed outside surface
texture
Weight 500 lbs
Easy to deploy
Great for shallow water
Works well with clocks
BAY BALL MODULE DETAIL
NTS
OYSTER SHELL BAG & MARL BAG REEF/SILL DETAIL
NTS
I.) BAGS TO BE PLACED IN THE WATER PERPENDICULAR TO THE SHORELINE TO AVOID ROLLING.
TOP TWO LAYERS:
OYSTER BAGS
BOTTOM LAYER:
MARL BAGS
2.) FIRST LAYER OF MARL BAGS TO BE BURIED HALF OF BAG HEIGHT AND LAID END TO END. SECOND AND THIRD LAYER TO BE OYSTER SHELL
BAGS. BAGS TO BE NESTLED TOGETHER TO CREATE AN INTERLOCKING STRUCTURE
3.) IF NEEDED AT 20 FOOT INTERVALS, PIECES OF CURVED REBAR (24" LONG, 3/8" THICK) WILL BE POUNDED THROUGH THE BAGS AND INTO THE
SUBSTRATE TO HELP HOLD THEM IN PLACE
E30rroM
C ; ! Q 4
1000 O V50 0 DC7U 0Oa CD U80 O ana 1 �
o o n c o. v o 0 o 0
( �' a0a aOtl nL]a aoa QC3A D�a 60n n[]tl oaa 00a •
Y7:5" 0,44 C>�) e a o a o a Q o o fl
p nou 05a U80 A[JA Don On DE7A OT7A Quo
Adn OVoA ana o a® nMn 6 AM` o �{
e A Willi t O �a O aCJa I
°"�'° _ _ _... _ s�
�� Q �1
\Ol .0 \Vf O •NOMINAL
3 (4.93 m)
TopNOMINAL-
GEOTERRA# GTO MATERIAL
SPECIFCATION
MATERIAL
1 DO% VIRGIN HD POLYETHYLENE
COLOR
GES FROM DARK SHADES OF GRAY To
LACK.
HEMICAL RESISTANCE
3UPERIOR
CARBON BLACK FOR ULTRAVIOLET LIGEfT
ABILIZATION
5% .- 2%
NIT MINIMUM CRUSH STRENGTH dr 21,1'C
70'F}
-
50 PQI (.3790 kPA)
7rrFj AL FLEXURAL MODULUS 21'C
Oa,Or psi (1370 MPa)
NOMINAL DIMENSIONS (1htIGTF1 x LENGTH)
17.E in x 36:5 in (6.44 rn x 0.93 m)
NOMINAL UNIT DEPTH
in (50 mm)
COVERAGE AREA
4.43 sgfr (0.41 sq: m)
ELLS PER UNIT
40
CELL SIZE
.1 In x 3.2 In (79 mrn x 81 mm)
OP OPEN AREA PER UNIT
7%
BOTTOM OPEN AREA PER UNIT
0%
WEIGHT PER UNIT
11,8 Ills (5:35 kg)
UNITS PER PALLET
46
17.5"
�. - 3e.5" (0-9 m)
2" (50 mml
2" (50 mm)
SIDE
T PRESTOOPRODUCTS CO,
` 4nd xamr pftms sus
9xo_p�y,.34a
1 7,5" (0.44 m , wnr,wsro�cflaKw
GEOTERRA GTO
STRUCTURAL MAT SYSTEM
PANS/SECTIONS
>aR�
OATE � 2a1 fWG , om ol.
f_cvL. C?N,,�ECTICN (12 PER UNIT)
`-=-IF REO'D. EARTH OR
RESIGN i AUGER ANCHOR
BOLT CONNECTION (12 PER UNIT)
LIM
NON -WOVEN OR HIGH � � _ �--EARTH OR AUGER ANCHOR
STRENGTH WOVEN GEOTEXT1LE
DESIGN 2
BOLT CONNECTION (12 PER UNIT)
� b 9 8 E Q„�i6 OQ449.
If REQ'D, SINGLE 1F REQ'0, ! -IF REO'D, EARTH OR
DUAL SIM DRAINAGE AUGER ANCHOR
GEOMEMBRAiE IF REO'D. NON -WOVEN OR
HI;H STRENGTH WOVEN
DESII N 3 GEOTEXTILE
EARTH ANCHOR DETAIL
p CABLE STOP
000o=aaDr
WASHER
1
CABLE
ANCHOR HEAD
AUGER ANCHOR DETAIL
D0000 DO
WASHER
ROD
BOLT CONNECTION DEVICE DETAIL
(12 per GEGTERRA•UN[T)
T©coo
BOLT AND TAB
CONNECTION
TYPICAL APPLICATIONS:
DESIGN
I USES
PR V NTS RUTTING,
I
PROTECT TURF, USE
OVER SAND
�131 kohl,
CREATES UNIFORM,
STABLE SURFACE
2
PROVIDES LOAD
SUPPORT OVER
POOR WET :SOILS
IN ,
PREVENTS SUBGRADE
3
DEGREDATION/CONTA
MINATIION, PROVIDES
AN INTEGRATED,
DRAINABLE SURFACE,
`
PRESTePRODUCTS 00.
sxo mans �xs s,�f
9afl_s�,34a
GEOTERR,4 GTO
STRUCTURAL MAT S' STEh
TYPICAL SECTIONS:
w�ra�rr,�erae e°
om HiMUMA anfr
f9,E i mE c*e Tr,9 v* st,*,.
t 4.f 3!IP5
smm 1
CEOTERRA' GTO MATERIAL SPECIFICATION
BOLT CONNECTION DETAIL MATERIAL 100% VIRGIN HD POLYETHYLENE
EARTH ,ANCHOR CETAIL
rI 11 CABLE s oa
N
COLOR RANGES FROM DARK 'SHADES 7F GRAY
LACK
CHEMICAL RESISTANCE 5UPERIOR
CARBON BLACK FOR ULTRAVIOLET LIGHT .5% - 2%
STABILIZATION
NIT MINIMUM CRUSH STRENGTH 0 21"C
7(TF) 550 ps1 (3790 kPA)
MATERIAL FLEXURAL. MODULUS ® 21'C
HUGER ANCHOR DETAIL(7trF) 2013,000 psi (1370 MPu)
NOMINAL DIMENSIONS (WIDTH x LENGTH) 17.5 in x 38.5 In (0.44 m x 0.93 rn)
0 1A9 OMINAL UNIT DEPTH in (50 mmN
CONNECTION NOMINAL COVERAGE AREA. 4,43 sgfk (0,41 sq m)'
SYSTEM COMPONENTS
CELLS PER UNIT 40
CELL SIZE 3.1 in x 12 In (79 mm x 81 rnm)
TOP OPEN AREA PER UNIT 7%
BOTTOM OPEN AREA PER UNIT 209
NOMINAL WEIGHT PER UNIT 11.8 Ibs (5.35 kp)
NITS PER PALLET 46
CONNECTION (12 PER UNIT)
-u„uu000UuuUe. VWUUuuuuluWUUuuquuuU,4WQ000➢W-OQQg0CIC000U_0DOGOo00[
c IF REQ"of WOVEN CR
NONWOVEN GEOT=XTILE
IF REO'D, DRAINAGE GEOCOMPOSITE-`
(SINGLE OR QUA_ SIDED) IF REQ"D, EARTH{ OR
AUGER ANCHOR
PREST OPRODUCTS GO,
swo
ipPLEi4M: 1n 5491; -
9@i1�7 1342
5`r'k ^�,�, ..,
NNW"Pft_r]rE0zW
GEOTERRA"GTO
STRUCTURAL MAT SYSTEM
SYSTEM COMPONENTS
t. a 0
PATE N®4wm 1047 . ,_.:'a.';<• &,aTl*m om b1:01y
SGN.E 1 .. Si'ELi i
GEOSYSTEMS GEOTERRA GTO STRUCTURAL MAT SYSTEM
NTS
(OR APPROVED EQUAL)
RECEIVED
OCT 12 2021
DCM WILMINGTON, NO
CO
C�V �
U
• '-
.1
Cqo�
�r OQ
z
U)�
Q
ONz
V)
• � O
cX�
-C J
n� U
(D
E
iL
)
$, LO
♦-
00
0
0
0
E N- ,.
0
w
U w
L.
`�C°
CO
�U
rrZ
V) V
0 -C
0
z
r0z
Uj w
�-
m
0CL
0
75
C
1n
r"ei
W
U
W®
h�l
U
w
�
Date: 07-01-2021
Scale: NTS
Drawn By: JDS
Checked By: JCR
FINAL DESIGN
ISSUED FOR REVIEW
THIS PLAN IS NOT ISSUED FOR
CONSTRUCTION WITHOUT AFFIXED
CORPORATE SEAL.
�LFIIIIII7r1�g�i�r
10
SEAL
35054
7-2--2021
TIAN
SHEET 20F2
,.
Q 2021 This dTawing shall ii0t be reproaucetl n1 WnOle OT m part wiinm written permassLQn er past L aa�1 �ngmcc, mg, r,t .
ECE PROJECT NO. 2700.19