TGroin Construction Plan Set 7/29/2021

OCEAN ISLE BEACH SHORELINE PROTECTION PROJECT
SHALL07TE
INLET
PROJECT LOCATION
OCEAN ISLE
BEACH
ATLANTIC OCEAN
�� 0
GRAPHIC SCALE IN FT
TERMINAL GROIN
BRUNSWICK COUNTY, NORTH CAROLINA
SHEET INDEX
1
COVER SHEET
2
OVERALL PLAN VIEW
3
CONTROL DATA SHEET
4
TERMINAL GROIN PLAN VIEW
5
MARINE MATTRESS LAYOUT PLAN VIEW
6
SHEET PILE WALL PLAN VIEW
7
TERMINAL GROIN PROFILE
8
TERMINAL GROIN CROSS SECTIONS
9-10
TEMPLATE TOLERANCES
11
SHEET PILE WALL DETAILS
12
MARINE MATTRESS DETAILS
13
USCG AIDS TO NAVIGATION
GENERAL NOTES:
1. COORDINATES ARE IN FEET BASED ON NORTH CAROLINA STATE
PLANE COORDINATE SYSTEM, NORTH AMERICAN DATUM 1983,
(NAD83).
2. ELEVATIONS ARE REFERENCED TO NORTH AMERICAN VERTICAL
DATUM OF 1988 (NAVD88).
3. DATE OF AERIAL PHOTOGRAPHY: SEPTEMBER 4, 2019.
4. SURVEY DATA COLLECTED BY McKIM AND CREED, INC. MARCH, 2021.
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CAPE LOOKOUT
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CAPE FEAR
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PROJECT SITE ATLANTIC
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= SEAL
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OCEAN
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CS-1
SHEET I OF I OF 13

LEGEND:
m
m
N
N
rn
— - - — USACE BASELINE
iU7
c
MEAN HIGH WATER MARCH 2O21
I
Ca
to
I
0
cc
z
(MHW EL. +1.79' NAVD88)
1
u
W
a
— — — MEAN LOW WATER MARCH 2O21
Z z
(MLW EL. -2.94' NAVD88)
3
TRUCK HAUL ROUTE
W z
EXISTING CONTOURS
N
_S&>00
--,
0
u
O
ACCRETION FILLET (TO BE CONSTRUCTED UNDER
]
W V
W
SEPARATE CONTRACT)
CONSTRUCTION CORRIDOR/STAGING AREA
0
c
L
®+
0 150 300
Z
d
NOTES:
..! I
m
i
GRAPHIC SCALE IN Fr
j. U.
Q
a rn to
8 8c'o W
W
d
N560
p
2vu
1. COORDINATES ARE IN FEET BASED ON THE NORTH CAROLINA STATE
V
0 Z 0
PLANE COORDINATE SYSTEM, NORTH AMERICAN DATUM OF 1983
{
`�
00
(NAD83).'
E. 7TH ST,
m
2 z
2. DATE OF AERIAL IMAGERY: SEPTEMBER 4, 2019.
va
STAGING AREA
c�
W
3. BATHYMETRIC CONTOURS DERIVED FROM MCKIM & CREED, MARCH
OCEAN
2021 SURVEY DATA.
'
4. INGRESS/EGRESS TO THE PROJECT SITE LIMITED TO E. 4TH STREET. ISLE
CONSTRUCTION — BEACH
CORRIDOR/STAGING AREA �x
N .iS000 o�
10
w
j �Z
f
— - TRUCK HAUL 6
r E. 5TH ST ROUTE
� o
k°o
F F-
SHEET PILE WALL
E 4T L________________
HST SECTION
LLJ
;k x:
® / 55000
00
r
U to E. 3RD STry
_
N N /
+ + +.� \��11111111///J
CA
54 00 _� r - to QQ O /i ✓
y.,.'.'ram, -.✓ \ --7
_ --- 2 _D
� -4 ® - SEAL
r
4 _ o + + ON 0.48
_-- - O o o ! -6 oo y 52
_.T
MARCH 2O21 MHW LINE
-4
MARCH 2O21 MLW LINE
�m
ACCRETION FILLET
J
(TO BE CONSTRUCTED o
o
UNDER SEPARATE CONTRACT) �o
W]
-12 TERMINAL GROIN
FOOTPRINT
r� e
ATLANTIC
OCEAN N_.___s4a__.
Oo
rn
$ o
0
DRAWING NO.
PV-1
SHEET 2 OF 13

TERMINAL GROIN CONTROL DATA
CROSS SECTION ALONG PROFILE A -A'
STATION
NORTHING
EASTING
CUMULATIVE
DISTANCE TO NEXT
STATION (FT)
0+00
55000.8
2184930.3
20
0+20
54981.2
2184934.2
40
0+40
54961.6
2184938.0
60
0+60
54942.0
2184941.9
80
0+80
54922.3
2184945.8
100
1+00
54902.7
2184949.6
120
1+20
54883.1
2184953.5
140
1+40
54863.5
2184957.3
160
1+60
54843.8
2184961.2
180
1+80
54824.2
2184965.0
200
2+00
54804.6
2184968.9
220
2+20
54785.0
2184972.7
240
2+40
54765.3
2184976.6
260
2+60
54745.7
2184980.5
280
2+80
54726.1
2184984.3
300
3+00
54706.5
2184988.2
320
3+20
54686.8
2184992.0
340
3+40
54667.2
2184995.9
360
3+60
54647.6
2184999.7
380
3+80
54628.0
2185003.6
400
4+00
54608.3
2185007.5
420
4+20
54588.7
2185011.3
440
4+40
54569.1
2185015.2
460
4+60
54549.5
2185019.0
480
4+80
54529.8
2185022.9
500
5+00
54510.2
2185026.7
520
5+20
54490.6
2185030.6
540
5+40
54471.0
2185034.4
560
5+60
54451.3
2185038.3
580
5+80
54431.7
2185042.2
600
NOTES:
1. ALL CROSS SECTIONS SHALL BE SURVEYED AT AN AZIMUTH
PERPENDICULAR TO THE PROFILE BASELINE SHOWN ON SHEET PV-2.
2. COORDINATES ARE IN FEET BASED ON THE NORTH CAROLINA STATE
PLANE COORDINATE SYSTEM, NORTH AMERICAN DATUM OF 1983
(NAD83) (2011).
3. ELEVATIONS ARE IN FEET REFERENCED TO NORTH AMERICAN VERTICAL
DATUM OF 1988 (NAVD88).
VERTICAL CONTROL DATA
CROSS SECTION ALONG PROFILE A -A'
STATION
NORTHING
EASTING
CUMULATIVE
DISTANCE TO NEXT
STATION (FT)
6+00
54412.1
2185046.0
620
6+20
54392.5
2185049.9
640
6+40
54372.8
2185053.7
660
6+60
54353.2
2185057.6
680
6+80
54333.6
2185061.4
700
7+00
54314.0
2185065.3
720
7+20
54294.3
2185069.2
740
7+40
54274.7
2185073.0
760
7+60
54255.1
2185076.9
780
7+80
54235.5
2185080.7
800
8+00
54215.8
2185084.E
820
8+20
54196.2
2185088.4
840
8+40
54176.6
2185092.3
860
8+60
54157.0
2185096.2
880
8+80
54137.3
2185100.0
900
9+00
54117.7
2185103.9
920
9+20
54098.1
2185107.7
940
9+40
54078.5
2185111.6
960
9+60
54058.8
2185115.4
980
9+80
54039.2
2185119.3
1000
10+00
54019.6
2185123.1
1020
10+20
54000.0
2185127.0
1040
10+40
53980.3
2185130.9
1060
10+60
53960.7
2185134.7
1080
10+80
53941.1
2185138.6
1100
11+00
53921.5
2185142.4
1120
11+20
53901.8
2185146.3
1140
11+40
53882.2
2185150.1
1150
11+50
53872.4
2185152.1
-
ELEVATIONS REFER TO THE NORTH AMERICAN VERTICAL DATUM OF
1988 (NAVD88). THE APPROXIMATE RELATION BETWEEN NAVD88 AND
OTHER DATUMS AT NOAA TIDAL BENCHMARK 8659182 (OAK ISLAND)
FOR THE PROJECT ARE AS FOLLOWS:
MEAN HIGHER HIGH WATER
2.16 FEET
MEAN HIGH WATER
1.79 FEET
NAVD88
0.00 FEET
MEAN SEA LEVEL
-0.56 FEET
NGVD29
-1.11 FEET
MEAN LOW WATER
-2.94 FEET
MEAN LOWER LOW WATER
-3.10 FEET
CONTROL NAD 83 (2001) COORDI ,
POINT
NORTHING
EASTING
ELEVATIOI''/
BRU 63
55506.63
2183888.64
5.25
NCGS
H250 A
DESTROYED
NCGS
NEWPROT
51567.28
2174351.41
6.63'
NCGS
80
50304.75
2170868.02
15.44'
IRS
81
50427.45
2170783.58
10.80'
PKS
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SEAL
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DRAWING NO.
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SHEET 3 OF 13

21$$$oQ
STA -S+00 m
Z
' CONSTRUCTION TRANSITION FROM STONE���� W .
SIZE 'A' TO STONE SIZE 'B' W
CORRIDOR/STAGING ARE°���'' USACE BASELINE AT STATION 8+00 z=
A
s., G 0 50 100 Z
Q
W z
GRAPHIC SCALE IN FT Z •i n
2 v
O - -o MARINE MATTRESS TRANSITION STRUCTURE SLOPE a
r BEGIN EAST SIDE 1V:2H TO 1V:3H BETWEEN STA. W V
TOE PROTECTION 9+00 AND STA. 9+50 c
N:-",- .6 STATION 6+00 O CL p
W
JZ o v
?18$pQQ E=2184988 2 0 ® O -� o SLOPE BREAK 4 o 0 o i
O 'a '+• O O N o v W
O O O� O O O O O O Ci s -ti
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+ + + � 0 O. O O © + r-I �i o ; c9
> _AA
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00 d Lr) _ U o w
f / M --� -i- f z
V 33H 73 W
N=55000.8 -
E=2184930.3 �N=53922.5
_ E=2185142.2
SECTIO� N• � � �7-7
MARINE :, ...� Z
� ,• / � A � � � HEET
LEGEND:MATTRESSTRUCK HAUL ROUTE°EST SIDE
TOE PROTECTION
STA 0+00 STATION 9+00 1§$oo
— — USACE BASELINE
TERMINAL GROIN BASELINE SIZE B STONE /SIZE A STONE I lz
— — — — MEAN HIGH WATER MARCH 2O21 .� a
(MHW EL. +1.79' NAVD88) o ACCRETION FILLET AREA (TO BE
so Na F
— - — - — - — MEAN LOW WATER MARCH 2O21 i I CONSTRUCTED UNDER SEPARATE CONTRACT) s
(MLW EL. -2.94' NAVD88)
TRUCK HAUL ROUTE I •v Q
EXISTING CONTOURS I MHW LTNE2 �a aLL
ACCRETION FILLET (TO BE CONSTRUCTED UNDER
i MARCH 2O21
SEPARATE CONTRACT) MLW LINE
® CONSTRUCTION CORRIDOR/STAGING AREA I EXISTING /
® ARMOR STONE LAYER r SANDBAGS
MARINE MATTRESS I ATLANTIC / ��� �� FtH�C t� r`�A't,� 0 5
PL USACE APPROXIMATE PIPELINE ROUTE 6 OCEAN ``O OF F S S/p®`�° �� m g
NOTES: I j ,
1. COORDINATES ARE IN FEET BASED ON THE NORTH CAROLINA SA( �� o z °
STATE PLANE COORDINATE SYSTEM, NORTH AMERICAN DATUM OF 2�84$Qo I r I 04 L�{y ` ¢ a
1983 (NAD83). i p CJ�JS p n z
2. DATE OF AERIAL IMAGERY: SEPTEMBER 4, 2019. r. _ U�ACE BASE LINE 4s
3. BATHYMETRIC CONTOURS DERIVED FROM MCKIM & CREED, MARCH r �• I %,�' EAR cj' ,` o W
2021 SURVEY DATA. �j ��'' ~
4. USACE APPROXIMATE PIPELINE ROUTE WILL BE FIELD ADJUSTED
AT THE TIME OF PLACEMENT BASED ON CONDITIONS AND IN F r- DRAWING NO.
COORDINATION WITH THE TERMINAL GROIN CONTRACTOR. C, ! I o
5. SURVEYS SHALL BE COLLECTED AT AN AZIMUTH PERPENDICULAR
TO THE BASELINE (ie. A -A'). E
�r84$oPV_2
2 ' I �o SHEET 4 OF 13

A
,P
.. IIIIIII
2.5'
1'
LEGEND:
e _
€� INDIVIDUAL MARINE MATTRESS (5' WIDTH)
O
Co
200'
5
NOTES:
1. COORDINATES ARE IN FEET BASED ON THE NORTH CAROLINA STATE
PLANE COORDINATE SYSTEM, NORTH AMERICAN DATUM OF 1983
(NAD83).
2. DATE OF AERIAL IMAGERY: SEPTEMBER 4, 2019.
3. BATHYMETRIC CONTOURS DERIVED FROM McKIM & CREED, MARCH
2021 SURVEY DATA.
4. CONTRACTOR MAY SUBMIT ALTERNATIVE SIZES AND CONFIGURATION
OF MARINE MATTRESSES FOR REVIEW BY THE ENGINEER.
95,
m
20'
ATLANTIC
OCEAN
10'
130'
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DRAWING NO.
PV-3
SHEET 5 OF 13

CORRIDOR/STAGING AREA
CONCRETE CAP —
EXPANSION JOINT
AT STA. 1+00
SHEET PILE WALL
SECTION
TRUCK HAUL ROUTE
LEGEND
— — — — — TRUCK HAUL ROUTE
-��— EXISTING CONTOURS
ACCRETION FILLET (TO BE CONSTRUCTED UNDER
SEPARATE CONTRACT)
CONSTRUCTION CORRIDOR/STAGING AREA
PL USACE APPROXIMATE PIPELINE ROUTE
NOTES:
1. COORDINATES ARE IN FEET BASED ON THE NORTH CAROLINA
STATE PLANE COORDINATE SYSTEM, NORTH AMERICAN DATUM OF
1983 (NAD83).
2. DATE OF AERIAL IMAGERY: SEPTEMBER 4, 2019.
3. BATHYMETRIC CONTOURS DERIVED FROM McKIM & CREED, MARCH
2021 SURVEY DATA.
4. USACE APPROXIMATE PIPELINE ROUTE WILL BE FIELD ADJUSTED
AT THE TIME OF PLACEMENT BASED ON CONDITIONS AND IN
COORDINATION WITH THE TERMINAL GROIN CONTRACTOR.
Cq�O/
Q� SEAL ��.•�
048852 -
CONCRETE CAP
EXPANSION JOINT
AT STA. 2+00 `ti/SZdS�
00
s�
1
1
1
1
1
I
EXISTING SANDBAGS
ACCRETION FILLET AREA (TO -
BE CONSTRUCTED UNDER A
SEPARATE CONTRACT)
0
O
M
0 15 30
GRAPHIC SCALE IN FT
MARINE ---
MATTRESS
\ A
C
\ �A
.m
0 T
z =
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W v
Z Z
0
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W z �+
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19
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DRAWING NO.
PV-4
SHEET 6 OF 13

300'
130'
TERMINAL GROIN PROFILE
750'
TRANSITION FROM STONE
SIZE 'A' TO STONE SIZE 'B'
AT STATION 8+00
i
10 . TOP OF CAP . . . . . .. TERMINAL GROIN
10
EXISTING GRADE
+4.9' NAVD88 MARCH 2O21
5 r+4NAVD88. 5
+1_79' NAVD88— — - —1rir'� %:�j-����-2.94' NAVD88 /� 3 0
/� ��\
-5
-5
EL. _ -3.0' NAVD88 J
-10 1' MARINE 10
MATTRESS
-15 TRANSITION71V:�3H
. . . -15
SLOPE 1V:2BETWEEN STA 9+50
-20 . . . -20
MINIMUM TIP ELEVATION EL. -23.0' NAVD88
0+00 0+50 1+00 1+50 2+00 2+50 3+00 3+50 4+00 4+50 5+00 5+50 6+00 6+50 7+00 7+50 8+00 8+
DISTANCE ALONG PROFILE (FEET)
SECTION A —A'
LEGEND:
0
NOTES:
SIZE A STONE = STONE SIZE A W = 5.5 TO 8.9 TONS WITH
50% GREATER THAN 7.0 TONS, 165 PCF MINIMUM
SIZE B STONE = STONE SIZE B W = 3.1 TO 5.1 TONS WITH
50% GREATER THAN 4.0 TONS, 165 PCF MINIMUM
MARINE MATTRESS
1. ELEVATIONS SHOWN ARE IN FEET REFERENCED TO NORTH AMERICAN
VERTICAL DATUM OF 1988 (NAVD88).
2. BATHYMETRIC SURVEY PERFORMED MARCH 2O21, BY McKIM & CREED
AND MAY NOT BE REPRESENTATIVE OF CURRENT CONDITIONS.
9+50 10+00 10+50 11+00 11+50
� •oFEssio•,�2
= SE
_ AL _
048852 =
F�G1NEE�
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DRAWING NO.
0 5 10 0 50 100 I
x5-i
VERTICAL GRAPHIC SCALE IN FT HORIZONTAL GRAPHIC SCALE IN FT
SHEET 7 OF 13

TYPICAL CROSS SECTION FROM STATION 3+00 TO STATION 6+00
TYPICAL CROSS SECTION FROM STATION 6+00 TO STATION 8+00
20
-20
BATHYMETRY
MARCH 2O21
�1
2
EL. -2.0' NAVD88
1' MARINE MATTRESS
m
2 1 EL. 4.9' NAVD88
EL. -3.0' NAVD88
20
10
0
-10
-20
-30 ; i i i i E i i i i 1 -30
-50 -40 -30 -20 -10 0 10 20 30 40 50
DISTANCE FROM BASELINE (FEET)
TYPICAL CROSS SECTION FROM STATION 8+00 TO STATION 9+00
30 30
20
-20
.9
1
13.2' 1�1
2 2 EL. 4.9' NAVD88
1 FILL WITH 1
TYPE A STONE
80.0'
V MARINE MATTRESS BATHYMETRY
Rn=nM r-i GVATTnni WADI _c MARCH 2O21
30
20
0
10
Z
w
w
0
z
0
-20
-30
ali
20 20
0
10 a 10
z
Lu
w
Lu
0 0
z
0
Q
-10 w -10
J
w
-20 -20
-30 1 i i i i i i i i i i-30
-50 -40 -30 -20 -10 0 10 20 30 40 50
DISTANCE FROM BASELINE (FEET)
NOTES:
;I 1. ELEVATIONS SHOWN ARE IN FEET REFERENCED TO NORTH AMERICAN
VERTICAL DATUM OF 1988 (NAVD88).
3 2. BATHYMETRIC SURVEY PERFORMED MARCH 2O21, BY MCKIM & CREED.
3. THE STRUCTURES SLOPE TRANSITIONS FROM 1V:2H TO 1V:3H
BETWEEN STATION 9+00 AND 9+50.
eeeeeea
57.4'
10,
11 I
10.8' 2 2
1 FILL WITH 1
TYPE B STONE
I_ 70.0'
BOTTOM ELEVATION VARIES —J
1' MARINE MATTRESS
EL, 4.9' NAVD88
BATHYMETRY
MARCH 2O21
60 -50 -40 -30 -20 -10 0 10 20 30 40 50 60
DISTANCE FROM BASELINE (FEET)
TYPICAL CROSS SECTION FROM STATION 9+00 TO STATION 10+50
105.9'
13 5
3
3 EL. 4.9' NAVD88
1
1
3.2'
13.2'
FILL WITH
TYPE A STONE
112.0'
BOTTOM ELEVATION VARIES
BATHYMETRY
1' MARINE MATTRESS
MARCH 2O21
30
20
10
0
-10
-20
-30
gill
PA
10
N
-10
-20
-30 -30
-60 -50 -40 -30 -20 -10 0 10 20 30 40 50 60
DISTANCE FROM BASELINE (FEET)
CA
�OF
SEAL _
SIZE A STONE = SIZE A STONE W= 5.5 TO 8.9 TONS WITH 048852 =
50 /o GREATER THAN 7.0 TONS 165 PCF MINIMUM = �.
o `
%O N(31NEE�• 10 20
SIZE B STONE = SIZE B STONE W= 3.1 TO 5.1 TONS WITH '�,k1paR
\\\��` VERTICAL GRAPHIC SCALE IN FT
50% GREATER THAN 4.0 TONS, 165 PCF MINIMUM
010 20
MARINE MATTRESS 4�l�""l HORIZONTAL GRAPHIC SCALE IN FT
0
z
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W
W
z z
Wz_ M
7. J N
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i?z
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DRAWING NO.
XS-2
SHEET 8 OF 13

10
m
w
w
-10-
z
O
w
J
W
�111_
-50
20
10
0
Z
w
w
!' 0
Z
O
a
W
J
w
-10
0.5'
2.0'
EL. 4.9' NAVD88
EL. -2.0' NAVD88
45.0'
:.
0.5' 11.0' TEMPLATE
TOLERANCE
2 — — — — — — 2
/
V MARINE MATTRESS —//
EL. -3.0' NAVD88
BOTTOM ELEVATION
VARIES
-40 -30 -20 -10 0 10 20 30
DISTANCE FROM BASELINE (FEET)
TYPICAL CROSS SECTION
STATION 3+00 TO STATION 6+00
80.0'
_ 68.3'
NOTES:
1. THE VERTICAL TOLERANCE TO THE DESIGN TEMPLATE IS
f 0.5 FEET AS SHOWN ON THE DRAWING ABOVE.
2. THE HORIZONTAL TOLERANCE TO THE DESIGN TEMPLATE
IS f 2 FEET AS SHOWN ON THE DRAWING ABOVE.
CREST WIDTH VARIES
TOLERANCE 13.5'
EL. 4.9' NAVD88
2 /� — — — — — \ \� 2
TEMPLATE
i
2.0' �
1' MARINE MATTRESS
-30 -20 -10 0 10 20 30
DISTANCE FROM BASELINE (FEET)
TYPICAL CROSS SECTION
STATION 6+00 TO STATION 9+00
20
10
m
—f— -10
40
BOTTOM ELEVATION
VARIES
He]
�0.OFESs/0*.�/2�%
SEAL
048852 -
�NG/NeS 0
10
-10
-- -20
50
0 5 10
VERTICAL GRAPHIC SCALE IN FT
0 5 10
HORIZONTAL GRAPHIC SCALE IN FT
0 Z
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DRAWING NO,
T-1
SHEET 9 OF 13

0
z
w
w
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0
w
w
all
-10
-20
NOTES:
0.5'
TOLERANCE
2. 0' '
-60 -50
2.0'
112.0'
105.9'
10
0.5' 13.5'�
3 — — — EL. 4.9' NAVD88
TEMPLATE
--------i
1' MARINE MATTRESS —/
BOTTOM ELEVATION VARIES
-40 -30 -20 -10 0 10
DISTANCE FROM BASELINE (FEET)
TYPICAL CROSS SECTION
STATION 9+00 TO STATION 10+50
1. THE VERTICAL TOLERANCE TO THE DESIGN TEMPLATE IS
f 0.5 FEET AS SHOWN ON THE DRAWING ABOVE.
2. THE HORIZONTAL TOLERANCE TO THE DESIGN TEMPLATE
IS f 2 FEET AS SHOWN ON THE DRAWING ABOVE.
3. THE STRUCTURES SLOPE TRANSITIONS FROM 1V:2H TO
1V:3H BETWEEN STATION 9+00 AND 9+50.
20 30
40 50
� H• C.A
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SEAL �` •�
048852
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-
VERTICAL GRAPHIC SCALE IN FT
0 5 10
HORIZONTAL GRAPHIC SCALE IN FT
ME
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T-2
SHEET 10 OF 13

2" 0 SCHED. 80x2'-0" GREASE & PLUG DWLS.
GALV. PIPE DWLS. @ ONE SIDE OF JOINT
15" O.C. APPROX. 2 CONCRETE CAP
MID. DEPTH 1 ( P.)
SHEET PILING
CONT.
6" CLR.
NOTE:
1 4tv 4111 JOINT SHALL BE OVER SKZ 24 STEEL
ASPHALT -IMPREGNATED
FIBER EXPANSION BOARD
?lmTERMINATE REINFORCEMENT @
1" CHAMFER, (TYP.) JOINT HOOK TOP BARS
1" ELASTOMERIC JOINT SEALER
SHEET PILE WALL EXPANSION JOINT DETAIL #1
N.T.S.
2.5'
EXISTING GRADE
EL. VARIES TOP OF CAP VARIES EL. +4.5' - +4.9'
0
N ----
9" EMBED.
8" CLR. —+►-I
SKZ 24 STEEL
SHEET PILE
0.00'n
-2.94' (MLW)
MINIMUM TIP ELEVATION =-23.00'
TYPICAL SHEET PILE WALL SECTION
N.T.S.
CENTER
IN PRIMARY POUR, (TYP.)
CONCRETE CAP
SHEET PILING
CONT.
)INT. COAT WITH APPROVED
3 AGENT BEFORE CONTINUING
ADJACENT POUR. REINFORCEMENT
CONTINUOUS THROUGH JOINT.
SHEET PILE WALL CONSTRUCTION JOINT DETAIL #2
N.T.S.
(IN CASE OF EMERGENCY WHEN POUR IS INTERRUPTED FOR MORE THAN 30 MINS.)
3 #5 T
#5 E.F.
2#5B
211 MTIU f-n\lCD
_a4 STIRRUPS T & B
28.5" O.C.
STIRRUPS THRU
LING HOLES IN
F PILES
CAP REINFORCEMENT DETAIL
N.T.S.
e SEAL
048852 =
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DRAWING NO.
D-1
SHEET 11 OF 13

GEOGRID LIFTING TABS ON EACH END
BEYOND FILLED PORTION OF MATTRESS
LIFTING TAB
20' TO 30' TYP. (FILLED PORTION)
WITH 12" MATRESS THICKNESS
TOP
A A A A A '` A STONE FILL
B M (SEE SPECS.)
12"
END
DIAPHRAGM
SIDE VERTICAL SEAM,
BOTTOM O TYPICAL AT THE
4 CORNERS
oA INDICATES BODKIN CONNECTION USING 3/8" DIAMETER HDPE BODKIN ROD
O INDICATES BRAIDED SEAM USING 3/16" DIAMETER HIGH UV HDPE BRAID
NOTES:
1. ENDS, TOP, BOTTOM, SIDES AND ANY EXTRA LENGTH USED FOR LIFTING OR ANCHORING
PURPOSES SHALL BE COMPOSED OF TENSAR UXTRITON200 GEOGRID OR EQUIVALENT.
2. INTERNAL DIAPHRAGMS SHALL BE COMPOSED OF TENSAR UXTRITON100 GEOGRID OR
EQUIVALENT.
3. NOMINAL WIDTH OF UNITS: 5 FT (FILLED), 4.3 FT (UNFILLED).
4. TYPICAL THICKNESS (FILLED): 12 INCHES.
5. PLASTIC CABLES TIES MAY BE USED TO SECURE BODKIN CONNECTORS IN POSITION PRIOR TO
TENSIONING OR FILLING OF MATTRESS UNITS.
6. LENGTH OF END PIECES SHALL BE A MINIMUM OF 2 GRID APERTURES LONG.
7. ATTACH GEOTEXTILE TO BOTTOM OF FILLED MATTRESS USING POLYMETRIC CABLE TIES (HOG
RINGS ARE ALSO ACCEPTABLE).
8. GEOTEXTILE SHALL BE TC MIRAFI FILTERWEAVE 700 OR EQUIVALENT.
9. GEOTEXTILE SHALL BE LAPPED A MINIMUM OF 2 FEET AT ENDS AND SIDES OF ADJOINING
MATTRESS UNITS.
10. STONE FILL SHALL BE 2-6 INCH, 165 PCF FOUNDATION STONE. SEE TECHNICAL PROVISIONS FOR
COMPLETE SPECIFICATIONS.
TYPICAL CONFIGURATION OF FILLED MATTRESS UNITS
SCALE N.T.S.
TOP GRID
DIAPHRAGM GRID
30TTOM GRID
RODKIN
EXPANDED SECTION
AT DIAPHRAGM
0
ALL g" DIA BODKINS RODS INSTALLED
(TOP AND BOTTOM OF MATTRESS) AND
SECRUED IN POSITION
Z
=
GEOGRID TABS BEYOND EACH END
C
d
OF MATTRESS FOR TENSIONING AND
w ti
LIFTING. ADD TO EACH END OF TOP
Z
AND BOTTOM: 2 FULL APERTURES
FOR 12" THICKNESS.
W Z
Z J
n
ONE EDGE OF EACH SIDE
2 cog
PIECE BRAIDED TO UNIT
0
F
o�
i \ fY 1 w
\ \ \ O. Z w
\ \ \ � Lu
\ \ \\ \\ \\ \\ \ a C °1 W
\ \ \\ \\\ \\ \\\ \\ \ \ o V Z
\ \ \ \ \ \ oZ(
\ \\ \\ \\ \\ \\ \ 2: z00
WIDTH OF`GMD PIECE USED TO FORM
EACH SIDE SHALL BE EQUAL TO FILLED
THICKNESS OF MATTRESS
MACHINE / ROLL DIRECTION
OF UX GRID FOR TOP,
BOTTOM AND SIDES.
MACHINE / ROLL DIRECTION
OF UX GRID FOR ENDS AND
DIAPHRAGMS.
NOTES:
0
1. TYPICAL SPACING OF DIAPHRAGMS IS EVERY THREE APERTURE LENGTHS. A SHORTER SPACING
MAY BE USED IN ORDER TO MATCH THE REQUIRED MATTRESS LENGTH. LENGTH OF END
PIECES AND INTERNAL DIAPHRAGMS PIECES SHALL BE: FOR 12" (FILLED) MATTRESS a
THICKNESS: 2 GRID APERTURES LONG; EQQ Ea E
2. SEE TYPICAL CONFIGURATION OF FILLED MATTRESS FOR ADDITIONAL DIMENSIONS AND U u
MATERIAL TYPES. 2
A
TYPICAL CONFIGURATION OF FABRICATED MATTRESS ° " ""
oQs""o
9
BRAID
NOTES:
1. ALL CUT ENDS OF BRAID MATERIAL SHALL BE KNOTTED WITHIN 1" TO 2" OF THE END TO PREVENT
LL
RAVELING OF BRAID.
3
2.
AT ALL ENDS OF ALL BRAIDED SEAMS THE BRAID SHALL BE SECURELY KNOTTED TO THE GEOGRID.
3.
AT ALL ENDS OF ALL PIECES OF BRAID MATERIAL USED, THE BRAID SHALL BE KNOTTED TO SPLICE
2
IT TO THE NEXT PIECE OF BRAID, OR TO SECURE IT TO THE GEOGRID. EACH BRAIDED SEAM
o o
N
\\��
H CARO
SHALL BE CONTINUOUS, WITH SECURELY KNOTTED SPLICES ALLOWED. THE BRAID SHALL BE
W J
W
�� ,�
.SS�..so
�••o
SECURELY KNOTTED TO THE GEOGRID AT A SPACING NOT TO EXCEED 1 FT ALONG ANY SEAM.
4 ° z
o 02.2
Q
4.
THE BRAID SHALL BE STITCHED THROUGH EACH PAIR OF APERTURES ALONG THE SEAM AT LEAST
W W w
SEA �� _
L
ONCE, AND THE MINIMUM NUMBER OF STITCHES PER FOOT ALONG THE SEAM SHALL BE EIGHT (8).
0
W
z
_
_ 048852 T
THE SPACING OF STITCHES ALONG EACH SEAM SHALL BE REASONABLY UNIFORM.o
a
y
5.
ALL KNOTS SHALL BE TIED IN A MANNER TO PREVENT SLIPPING AND CINCHING.Ln
�GINEE�'
6.
THE WRAPS ALONG THE SEAM SHALL BE SUFFICIENTLY TIGHT TO CLOSE THE GAP BETWEEN THE
c
\
GEOGRID
ADJACENT PIECES OF GEOGRID, BUT SHALL NOT BE OVER -TIGHTENED SUCH THAT THE GEOGRID
BINDS ALONG THE SEAM.
DRAWING NO.
TYPICAL STITCHED SEAM DETAIL
D-2
SCALE N.T.S.
sI
SHEET 12 OF 13

DANGER SIGNS
(SEE DETAIL ON THIS SHEET)
TOP OF PILE ELEVATION = 13' NAVD
BOLT SIGNS TO PILE. FOR EACH SIGN USE (2) 5/8"
DIAMETER STAINLESS STEEL BOLT AND (2) 1"
STAINLESS STEEL WASHERS WITH MINIMUM 4"
EMBEDMENT DEPTH.
TIMBER PILING
uWJ14EtcI:VIL1I31:1 1
ELEVATION OF EXISTING
GRADE = UNKNOWN
DANGER SIGN DETAIL
3" BLACK
LETTERS
`� ROC
\ ANGER
GROIN
6" BLACK
2" ORANGE
RETROFLECTIVE
LETTERS
BORDER (R)
WHITE DAYBOARD
FILM
6061-T6 ALUMINUM
ALLOY PLATE - 3/16" THICKNES
SIGN BOARD DETAIL
NOTES:
1. THE PILE SHALL BE PRESSURE TREATED AND HAVE A MINIMUM EMBEDMENT
DEPTH OF 12' BELOW THE EXISTING GRADE ELEVATION.
2. CONTRACTOR SHALL FIELD VERIFY SIGN LOCATION PRIOR TO SIGN
INSTALLATION.
3. SIGNS SHALL BE FIXED ON BOTH SIDES OF THE PILE.
4. DANGER SIGN TO FACE APPROXIMATELY EAST -NORTH-EAST AND
WEST -SOUTH-WEST.
111/l III/
/
SEAL
= 048852 -
'�� ��G/NEED • • � ��
N 55000
m
N
r
00
Ln
O
O
m
O
SHEET PILE
WALL
`
N 54500
N < OI
—1 +
-v
N 54000
N
r
DO
ul
0o WARMING SIGN (TYP)
LOCATION
N
r
00
Ln
Ln
0
O
Z
0 200 400
GRAPHIC SCALE IN FT
/54
nA
v�
o00
1
-" OUTLINE OF
TERMINAL GROIN
ITS
' m
00
r
Ln
Marker 1 Ln
0
0
WARNING SIGN LOCATIONS
AS PROPOSED
MARKER LOCATIONS - AS PROPOSED
MARKER
FASTING
(FT-NAD83)
NORTHING
(FT-NAD83)
LATITUDE
LONGITUDE
DEG
MIN
SEC
DEG
MIN
SEC
MARKER 1
2185145.00
53907.88
33
53
47.57
78
23
23.95
NOTE: THE LENGTH OF ROCK GROIN EXPOSED WILL VARY OVER TIME.
OCEAN ISLE BEACH, BRUNSWICK COUNTY, NORTH CAROLINA
a
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73—
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D-3
SHEET 13 OF 13