Draft BCOES-Review-Plans-W912PM23B0012-CSRM-Wrightsville.pdf
PDF 17 MB Posted
- Solicitation number
- W912PM23B0012
About this file
This document provides details for a draft solicitation for Coastal Storm Risk Management services at Wrightsville Beach, North Carolina. The U.S. Army Corps of Engineers, Wilmington District is seeking a contractor to perform maintenance including dredging of an offshore borrow area and placement of approximately 1,050,000 cubic yards of dredged material on the beach. Dredging must be completed using an ocean certified hopper or pipeline dredge between November 16th and April 30th. Hopper dredging is further limited to the period of December 1st through March 31st. The contractor must also shape the placed beach fill and conduct required surveys. This is an unrestricted solicitation for a firm fixed price contract valued between $10,000,000 and $25,000,000. Interested offerors can submit input and inquiries regarding the draft solicitation, plans, and specifications by April 11, 2023. The final solicitation will be issued on or around June 2, 2023 with bid opening scheduled thereafter.
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| Draft-BCOES-Review-Specs-W912PM23B0012-CSRM-Wrightsville.pdf | ||
| A21 - Draft W912PM23B0012.pdf |
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Text version
SOLICITATION NO.:
CONTRACT NO.:
ISSUE DATE:
WILMINGTON DISTRICT
COASTAL STORM RISK MANAGEMENT
WRIGHTSVILLE BEACH,
NORTH CAROLINA
W912PM23B0012
TBD
TBD
US Army Corps of Engineers ®
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PENDER
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COLUMBUS
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BRUNSWICK
WILMINGTON
HANOVER
NEW
SOUTHPORT
WRIGHTSVILLE
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0 10 20
SCALE IN MILES
PROJECT LOCATION
HYDEBEAUFORTPITT
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WASHINGTON TYRREL
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CRAVEN
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WAYNE
V I R G I N I A
S O U T H C A R O L I N A
HARNETT
NOT TO SCALE
Wilmington
Manteo
Elizabeth City
Cape Hatteras
Cape Lookout
Cape Fear
Rodanthe
PROJECT
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CAROLINA BEACH
PROJECT OVERVIEW
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F ea r R ive r
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OFFSHORE
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INDEX OF DRAWINGS
Sheet Number Sheet Title
G001 COVER SHEET
GI01 LOCATION MAP, PROJECT OVERVIEW AND INDEX OF DRAWINGS
G101 WRIGHTSVILLE BEACH LOCATION MAP
G102 OFFSHORE BORROW AREA
CN101 WRIGHTSVILLE BEACH PLAN VIEW
CN102 WRIGHTSVILLE BEACH PLAN VIEW (CONT.)
CN103 WRIGHTSVILLE BEACH PLAN VIEW (CONT.)
CN104 WRIGHTSVILLE BEACH PLAN VIEW (CONT.)
CN301 TYPICAL BEACH SECTIONS
CN302 BEACH SECTIONS
CN303 BEACH SECTIONS (CONT.)
CN304 BEACH SECTIONS (CONT.)
CN305 BEACH SECTIONS (CONT.)
AutoCAD SHX Text
ROANOKE
AutoCAD SHX Text
RIVER
AutoCAD SHX Text
NEUSE
AutoCAD SHX Text
RIVER
AutoCAD SHX Text
CHOWAN
AutoCAD SHX Text
CAPE
AutoCAD SHX Text
FEAR
AutoCAD SHX Text
RIVER
AutoCAD SHX Text N
WRIGHTSVILLE BEACH
ISLAND
BEACHFILL AREAS
T
A . 6
9+ 00 S
T A
. 159+65.73
ATLANTIC INTRACOASTAL WATERWAY
ATLANTIC INTRACOASTAL WATERWAY
BANKS CHANNEL
SHINN CREEK
M
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IN
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CN101 CN102 CN103 CN104
3+50 10+00 20+00 30+00 40+00 50+00 60+00 70+00 80+00 90+00 100+00 110+00 120+00 130+00 140+00 150+00 160+00168+64.03
OFFSHORE BORROW AREA
USACE BASELINE
POTENTIAL STAGING AREA
ISLAND
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1. DUNE CROSSOVERS SHOULD OCCUR AT EXISTING BREAKS IN THE DUNES.
2. TILLING OF THE BEACH FILL IS A CONTRACT OPTION, AND IF AWARDED, SHALL BE PERFORMED IN ACCORDANCE WITH CONTRACT SPECIFICATION SECTION 01 57 19 AS DIRECTED BY THE
CONTRACTING OFFICER REPRESENTATIVE.
3. HORIZONTAL CONTROL IN N.C. STATE PLANE COORDINATES NAD 83. VERTICAL CONTROL IN FEET NAVD 88.
4. PIPELINE ROUTE ON WRIGHTSVILLE BEACH SHALL BE COORDINATED WITH THE TOWN OF WRIGHTSVILLE BEACH AND RESOURCE AGENCIES AND BE APPROVED BY THE CONTRACTING OFFICER PRIOR TO CONSTRUCTION. SEE SPECIFICATION SECTION 35 20 23 FOR MORE INFORMATION.
5. BEACH FILL FOR WRIGHTSVILLE BEACH SHALL HAVE A TRANSITION AREA AT EACH END OF THE FILL. THE TRANSITION AREA ON THE SOUTH END SHALL BEGIN AT STA 69+00 WITH A BERM WIDTH OF 0' AND END AT STA 74+00 WITH A BERM WIDTH OF 200'. THE TRANSITION AREA ON THE NORTH END SHALL BEGIN AT STA 140+00 AT A BERM WIDTH OF 200' AND END AT STA 159+65.73
WITH A BERM WIDTH OF 0'.
6. THE SPIT AT THE SOUTHERN END OF WRIGHTSVILLE BEACH MAY POTENTIALLY BE AVAILABLE AS A STAGING AREA. THE CONTRACTOR SHALL COORDINATE USE OF THIS AREA WITH THE RESOURCE AGENCIES, CONTRACTING OFFICER AND THE TOWN OF WRIGHTSVILLE BEACH DIRECTOR OF PUBLIC WORKS.
7. PAST STORMS IN THE NORTH CAROLINA AREA SINCE THE CONTRACT SURVEYS WERE TAKEN MAY HAVE ERODED PORTIONS OF THE PROJECT AREA AND PIPELINE ROUTE. ALL CONTRACTORS ARE ENCOURAGED TO VISIT THE SITE PRIOR TO SUBMITTING A BID TO INVESTIGATE POTENTIAL PIPELINE ROUTES. ALL PIPELINE ROUTES MUST BE APPROVED PRIOR TO ANY PLACEMENT OF
MATERIAL ON THE BEACH.
8. SEE SHEETS CN101 THROUGH CN104 FOR DETAILS FOR WRIGHTSVILLE BEACH CONSTRUCTION BERM AND DUNE PLAN.
Feet 0 1500 3000
SCALE 1"=1500'
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PIER
-55
-55
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-50 -50
-52
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-54
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N: 151725.4 E: 2377375.2
N: 151735.9 E: 2376882.1
N: 151305.3 E: 2376798.8
N: 151183.8 E: 2377111.3
N: 150959.3 E: 2377280.6
N: 151489.3 E: 2377552.3
N: 151204.1 E: 2377505.4
N: 150921.3 E: 2378235.6
N: 149814.0 E: 2376810.9
N: 149539.8 E: 2376322.8
N: 147189.5 E: 2374656.7
N: 147346.4 E: 2374460.3
N: 146896.6 E: 2374004.1
N: 147356.0 E: 2373468.6
N: 146882.9 E: 2373117.0
N: 146675.6 E: 2373078.5
N: 146117.8 E: 2372722.9
N: 145460.0 E: 2373547.3
N: 146926.9 E: 2374985.6
N: 146624.3 E: 2375380.9
N: 144862.6 E: 2372997.1
N: 144487.3 E: 2373377.3
N: 143488.3 E: 2372209.0
N: 144365.2 E: 2371182.5
N: 148736.5 E: 2376119.2
N: 148265.1 E: 2375786.3
L 15
57.39 '
R
225.23'
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N: 150224.9 E: 2377200.7
MAGNETIC
ANOMOLY
(TYP.)
MAGNETIC ANOMOLY (TYP.C)
N: 149605.7 E: 2380226.3
N: 147681.6 E: 2378629.6
N: 148690.5 E: 2376973.9
THREE NAUTICAL MILE LINE
TH
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ZONE #3
DREDGE DEPTH: -56.0
ZONE #2
DREDGE DEPTH: -60.0
ZONE #1
DREDGE DEPTH: -58.0
ZONE #6
DREDGE DEPTH: -55.0
N: 143115.6 E: 2372645.1
N: 144166.6 E: 2373757.0
ZONE #7
DREDGE DEPTH: -56.0
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NOTES:
1. SURVEY INFORMATION:
1.1. SURVEY COLLECTED: MARCH 2022 BY GEODYNAMICS
1.2. SOUNDINGS ARE EXPRESSED IN FEET AND TENTHS.
1.3. TIDE GAUGE LOCATED AT: 8658163, WRIGHTSVILLE BEACH, NC
1.4. VESSEL: R/V Benthos
1.5. VERTICAL DATUM: NAVD88
1.6. HORIZONTAL DATUM: NAD83 NC State Plane
2. ALL OVERDEPTH DREDGING IS PROHIBITED IN BORROW AREAS DUE TO
PORTENTIAL ADVERSE IMPACTS TO CULTURAL RESOURCES.
3. CONTRACTOR SHALL AVOID ALL MAGNETIC ANOMOLIES AND SIDE-SCAN
SURVEY IDENTIFIED FOREIGN DEBRIS. THIS WORK IS PERMITTED UNDER EA
XXX.
4. THE CONTRACTOR SHALL SELECT ONE OF THE IDENTIFIED ZONES AND BEGIN
DREDGING IN THAT AREA. UPON DEPLETION OF SUITABLE MATERIAL WITHIN
THAT ZONE, OR WHEN DIRECTED BY THE CONTRACTING OFFICER, THE
CONTRACTOR SHALL PROCEED TO DREDGE IN ANOTHER ZONE.
5. THE DREDGING SHALL BE ACCOMPLISHED SO THAT THE MOST SUITABLE
MATERIAL AVAILABLE FOR BEACH FILL IS PLACED WITHIN THE PRESCRIBED
SECTION. THIS MATERIAL IS CLASSIFIED AS PREDOMINANTLY OF SAND (SP,
SP-SM) GRAIN SIZE WITH NO MORE THAN 10% BY WEIGHT PASSING THE NO. 200
SIEVE. SHOULD THE MATERIAL PLACED ON THE BEACH CONTAIN AN EXCESSIVE
AMOUNT OF SILT, CLAY, SHELL ROCK FRAGMENTS OR FOREIGN DEBRIS AND BE
CONSIDERED NOT SUITABLE FOR PLACEMENT ON THE BEACH, THE
CONTRACTOR SHALL IMMEDIATELY MOVE TO A DIFFERENT ZONE WITHIN THE
BORROW AREA AND NOTIFY THE CONTRACTING OFFICER OF THE LOCATION OF
THE UNSUITABLE MATERIAL WITHIN THE BORROW AREA.
6. THE CONTRACTORS PIPELINE ROUTES SHALL BE PLACED TO AVOID ALL
MAGNETIC ANOMALY AREAS AND SENSITIVE HABITAT AREAS ON THE SEABED
AND BEACH.
7. VIBRACORE INFORMATION, MAGNETIC ANOMOLY FINDINGS AND SIDE SCAN
SONAR FINDINGS ARE INCLUDED IN PROJECT SPECIFICATIONS AS AN
ATTACHMENT.
Feet 0 700 1400
SCALE 1" = 700'
LEGEND:
DREDGING ZONE
MAGNETIC ANOMOLY
VIBRACORE
THREE NAUTICAL MILE LINE
WRIGHTSVILLE BEACH 2023 ONE TIME USE STUDY AREA
SIDE-SCAN SONAR SURVEY IDENTIFIED FOREIGN DEBRIS
3 3 1 1
E X I S T I NG BO T T OM
EL E V A T I ON V AR I E S
TYPICAL SECTION
NTS
OFFSHORE BORROW AREA
WIDTH VARIES
ZONE #1: -56.0
ZONE #2: -60.0
ZONE #3: -58.0
ZONE #6: -55.0
ZONE #7: -56.0
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A R
EA
.d w g
APPROXIMATE BORROW AREA
VOLUMES (CY)
DEPTH
ESTIMATED VOLUME
(CY)
ZONE 1 -58 955,000
ZONE 2 -60 555,000
ZONE 3 -56 530,000
ZONE 6 -55 1,180,000
ZONE 7 -56 185,000
HWR HWR HWR HWR HWR HWR HWR HWR HWR HWR HWR HWR HWR HWR
S E
A H
O R
S E
S T
A R
R
IN
D A
LE
S
T
C H
A D
B O
U R
N S
T
LA
T
IM
E
R S
T
N LUMINA AV
S T
O N
E S
T
O C
E A
N
IC
S T
B
IR
M
IN
G H
A M
S T
S LUMINA AV
S LUMINA AV
A T
LA
N
T A
S T
W E
S T
A T
LA
N
T A
S T
E A
S T
C O
LU
M
B
IA
S T
W E
S T
C O
LU
M
B
IA
S T
E A
S T
WAYNICK BLVD
E S
N Y
D E
R S
T
WB TOWN BUILDING LINE66+00 67+00 68+00 69+00 70+00 71+00 72+00 73+00 74+00 75+00 76+00 77+00 78+00 79+00 80+00 81+00 82+00 83+00 84+00 85+00 86+00 87+00 88+00 89+00 90+00 91+00 92+00 93+00 94+00 95+00
PI
: 6
9+
.4
N : 1
4.
E:
9.
PI
: 8
0+
.2
N : 1
6.
E:
7.
PI
: 8
9+
.3
N : 1
6.
E:
4.
ST
A.
4+
BE
G
IN
F U
LL
TE
M
PL
AT
E
PL
AC
EM
EN
T
ST
A.
9+
BE
G
IN
TR
AN
SI
TI
O N
CONSTRUCTION BERM +5.0' (NAVD 88)
STORM BERM +9.5' (NAVD 88) STORM BERM +9.5' (NAVD 88)
-10
-5
-13 -12
-11
-9 -8
-7 -6
-4 -3
-2 -1
-1 5.
:1
-1 0.
:1
-1 0.
:1
-1 5.
:1
-1 5.
:1
PI
: 6
9+
.4
N : 1
4.
E:
9.
PI
: 8
0+
.2
N : 1
6.
E:
7.
PI
: 8
9+
.3
N : 1
6.
E:
4.
PI
: 6
9+
.4
N : 1
4.
E:
9.
PI
: 8
0+
.2
N : 1
6.
E:
7.
PI
: 8
9+
.3
N : 1
6.
E:
4.
STA. 80+00
TRANSITION
STA. 88+00
TRANSITION STA. 90+00
TRANSITION
STA. 94+00
TRANSITION
C O
N
TR
AC
T
N O
D
ES
IG
N
ED
B
Y:
D
ES
C R
IP
TI
O N
A
M
AR
K
SI
ZE
SU
BM
IT
TE
D B
Y:
D
AT
E
SO
LI
C
IT
AT
IO
N N
O
C H
EC
KE
D B
Y:
D R
AW
N
B Y:
IS
SU
E D
AT
E:
SHEET ID
B
C
D
E
F
G
2 3 4 5 6 7 8 9 10
US Army Corps of Engineers
C O
AS
TA
L
ST
O R
M R
IS
K
M
AN
AG
EM
EN
T
W R
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TS
VI
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E
BE
AC
H
N O
R
TH
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AR
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N A
U .S
.A R
M Y
C O
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O F
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IN
EE
R S
W
IL
M
IN
G
TO
N D
IS
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D
AR
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N G
TO
N
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N U
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IL
M
IN
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TO
N
, N O
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TH
C
AR
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N A
"X
D R
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IN
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O D
E:
T.
M U
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PH
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N
AM
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H . W
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D
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J.
C
AR
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H . W
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W
2P M
B0
BC
O
ES
W
2P M
C
XX
XX
M
AR
C H
W B
0-
-6
CN101
W R
IG
H
TS
VI
LL
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BE
AC
H P
LA
N
V
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W
C N
XX
X
BE
AC
H P
LA
N
VI
EW
.d w g
NOTES:
1. THE WIDTH OF THE CONSTRUCTION BERM IS DEPENDENT UPON THE PROPORTIONAL QUANTITY OF SAND TO BE PLACED AT THE TIME OF CONSTRUCTION. THE WIDTH OF THE CONSTRUCTION BERM MAY BE ADJUSTED DURING CONSTRUCTION BASED ON THE PRE-CONSTRUCTION BEACH SURVEY AND THE SLOPE OF THE MATERIAL DURING PLACEMENT.
2. THE CONSTRUCTION BERM SLOPE IS DEPENDENT UPON MATERIAL PROPERTIES AND WAVE ENVIRONMENT DURING PLACEMENT.
3. EXISTING BEACH SURVEY CONDUCTED IN JUNE 2022. HORIZONTAL DATUM IS NAD 83 AND VERTICAL DATUM IS NAVD 88.
4. THE CONTRACTOR SHALL CONSTRUCT SAND RAMPS OVER PIPE ALONG THE BEACH PIPELINE ROUTE. SAND RAMPS SHALL BE PLACED AT EACH BEACH ACCESS AS A MINIMUM, BUT IN NO CASE SHALL THE DISTANCE BETWEEN RAMPS EXCEED 400 FEET.
THE SAND RAMPS SHALL BE REPAIRED IF ERODED BY WEATHER OR BEACH TRAFFIC.
5. EXISTING DUNES AND BEACH GRASS SHALL BE PROTECTED FROM DAMAGE DUE TO CONSTRUCTION. THE CONTRACTOR SHALL PROTECT ALL EXISTING STRUCTURES ON THE BEACH, INCLUDING ACCESS RAMPS, SIGNAGE, FENCES, ETC. FROM DAMAGE
DUE TO CONSTRUCTION.
6. THE CONTRACTOR SHALL CONDUCT DAILY OPERATIONS TO CLEAN UP TRASH AND DEBRIS PUMPED ON TO THE BEACH BY DREDGING OPERATIONS AND/OR FOUND ON THE BEACH WITHIN THE LIMITS OF CONSTRUCTION. DEBRIS AND WASTE SHALL
BE PROPERLY SECURED AND DISPOSED OF ON A WEEKLY BASIS.
7. THE CONTRACTOR SHALL BE REQUIRED TO PERFORM SAFETY PATROL TO MINIMIZE PEDESTRIAN TRAFFIC THRU THE LIMITS OF CONSTRUCTION AT LEAST 1000' AHEAD AND BEHIND THE POINT OF DISCHARGE. MEASURES TO INCLUDE MOVEABLE SAFETY FENCE AT THESE LMITS TO EXTEND FROM DUNE TO THE WATERS EDGE, CLOSURE OF ANY PEDESTRIAN ACCESS RAMPS WITHIN THE DIRECT VICINITY OF THE DREDGING OPERATIONS, AND WARNING SIGNS AT ALL PEDESTRIAN RAMPS AND PUBLIC ACCESS WAYS.
EXISTING BASELINE
LEGEND
EXISTING MEAN HIGH WATER LINE (APPROX.)HWR
PUBLIC BEACH ACCESS POINT
PLANT SPACING 24" O/C
PLANT SPACING
36" O/C
1 ROW BITTER PANICUM @ 24" O/C
1 ROW SEASIDE LITTLE BLUESTEM OATS @ 24" O/C
1 ROW SEA OATS @ 24" O/C
PLANT SPACING 24" O/C
1 ROW SEA OATS @ 18" O/C
1 ROW SEA OATS @ 18" O/C
C/L EXISTING DUNE
PLANT SPACING 18" O/C
PLANT SPACING 18" O/C
1 ROW SEA OATS @ 24" O/C
GRASSING LIMITS (LANDWARD)
SLOPE INTERCEPT
BEACH FILL
PLANT SPACING
24" O/C
SEAWARD CREST OF DUNE
GRASSING LIMITS (SEAWARD)
TO
P
OF
D
UN
E
TO
P
OF
D
UN
E
NO BEACH GRASSES WILL BE PLANTED UNDERNEATH THE
RAMPS AND STAIRS OF EACH PUBLIC BEACH ACCESS
WALKOVER STRUCTURE. THE CONTRACTOR SHALL PLANT
BEACH GRASSES UNDERNEATH THE DECK AREA OF
THE WALKOVER STRUCTURES.
ROW SPACING & PLANTING PATTERN
RO
WS
RO
WS
RO
WS
RO
WS
"RO
WS
VA
RIA
BL
E
1 ROW BITTER PANICUM @ 18" O/C
EXCEPT FOR CENTERLINE, FOURTH, SIXTH,
EIGHT, TENTH, TWELVETH ROW LANDWARD AND
FOURTH ROW SEAWARD OF DUNE ALL PLANTING
SHALL BE AMERICAN BEACHGRASS. PLANTINGS SHALL
BE IN A STAGGERED/OFFSET PATTERN.
RO
W S
RO
W S
PLANT SPACING
36" O/C
M
AT
C H
LI
N
E
- S
EE
S
H
EE
T C
N
Feet 0 100 200
SCALE 1"=100'
DUNE PLANTING DETAIL
AutoCAD SHX Text
AutoCAD SHX Text
AutoCAD SHX Text
AutoCAD SHX Text
AutoCAD SHX Text
AutoCAD SHX Text
AutoCAD SHX Text
AutoCAD SHX Text
AutoCAD SHX Text
AutoCAD SHX Text
AutoCAD SHX Text
AutoCAD SHX Text @ 36"
AutoCAD SHX Text
AutoCAD SHX Text
HWR HWR HWR HWR HWR HWR HWR HWR HWR HWR HWR HWR HWR HWR HWR HWR HWR HWR HWR HWR HWR HWR HWR HWR
C.O.E. BASELINE
N LUMINA AV
R A
LE
IG
H S
T
A U
G U
S T
A S
T
S H
E A
R W
A T
E R
S T
G R
E E
N S
B O
R O
S T
W E
S T
H E
N D
E R
S O
N S
T W
E S
T
O X
FO
R
D S
T W
E S
T
FA
Y
E T
T E
V
IL
LE
S
T W
E S
T
G R
E E
N S
B O
R O
S T
E A
S T
H E
N D
E R
S O
N S
T E
A S
T
O X
FO
R
D S
T E
A S
T
FA
Y
E T
T E
V
IL
LE
S
T E
A S
T
A S
H E
V
IL
LE
S
T E
A S
T A
S H
E V
IL
LE
S T
W E
S T
A T
LA
N
T A
S T
W E
S T
A T
LA
N
T A
S T
E A
S T
C O
LU
M
B
IA
S T
W E
S T
C O
LU
M
B
IA
S T
E A
S T
C H
A R
LO
T
T E
S T
E A
S T
S E
A G
U
LL
S T
S A
LI
S
B U
R Y
S T
E
WB TOWN BUILDING LINE
93+00 94+00 95+00 96+00 97+00 98+00 99+00 100+00 101+00 102+00 103+00 104+00 105+00 106+00 107+00 108+00 109+00 110+00 111+00 112+00 113+00 114+00 115+00 116+00 117+00 118+00 119+00 120+00 121+00 122+00
PI
: 9
9+
.4
N : 1
6.
E:
0.
PI
: 1
+9
6.
N : 1
7.
E:
9.
PI
: 1
+9
7.
N : 1
8.
E:
8.
STORM BERM +9.5' (NAVD 88)
CONSTRUCTION BERM +5.0' (NAVD 88)
-10
-5
-13 -12
-11
-9 -8
-7 -6
-4 -3
-2 -1
-1 0.
:1
-1 5.
:1
-1 5.
:1
-1 0.
:1
-1 0.
:1
-1 0.
:1
PI
: 9
9+
.4
N : 1
6.
E:
0.
PI
: 1
+9
6.
N : 1
7.
E:
9.
PI
: 1
+9
7.
N : 1
8.
E:
8.
PI
: 9
9+
.4
N : 1
6.
E:
0.
PI
: 1
+9
6.
N : 1
7.
E:
9.
PI
: 1
+9
7.
N : 1
8.
E:
8.
STA. 106+00
TRANSITION
STA. 94+00
TRANSITION
STA. 99+00
TRANSITION
C O
N
TR
AC
T
N O
D
ES
IG
N
ED
B
Y:
D
ES
C R
IP
TI
O N
A
M
AR
K
SI
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SU
BM
IT
TE
D B
Y:
D
AT
E
SO
LI
C
IT
AT
IO
N N
O
C H
EC
KE
D B
Y:
D R
AW
N
B Y:
IS
SU
E D
AT
E:
SHEET ID
B
C
D
E
F
G
2 3 4 5 6 7 8 9 10
US Army Corps of Engineers
C O
AS
TA
L
ST
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M R
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K
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AN
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EN
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W R
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N O
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TH
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M Y
C O
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PS
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IN
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W
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IN
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TO
N D
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TR
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T
D
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N G
TO
N
A
VE
N U
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M
IN
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TO
N
, N O
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TH
C
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N A
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D R
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IN
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T.
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XX
XX
M
AR
C H
W B
0-
-6
CN102
W R
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VI
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BE
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H P
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XX
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M
AT
C H
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N
E
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H
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N
M
AT
C H
LI
N
E
- S
EE
S
H
EE
T C
N
NOTES:
1. SEE NOTES SHEET CN101.
Feet 0 100 200
SCALE 1"=100'
HWR HWR HWR HWR HWR HWR HWR HWR HWR HWR HWR HWR HWR HWR HWR HWR HWR HWR HWR HWR HWR HWR HWR HWR
S H
E A
R W
A T
E R
S T
H E
R O
N S
T
S A
N D
P
IP
E R
S T
C R
A N
E S
T
M A
LL
A
R D
S T
S C
O T
C H
B O
N N
E T
LN
C O
N C
H
LN
SEA OATS LN
S E
A S
ID
E
LN
WB TOWN BUILDING LINE
119+00 120+00 121+00 122+00 123+00 124+00 125+00 126+00 127+00 128+00 129+00 130+00 131+00 132+00 133+00 134+00 135+00 136+00 137+00 138+00 139+00 140+00 141+00 142+00 143+00 144+00 145+00 146+00 147+00 148+00 149+00
PI
: 1
+9
7.
N : 1
8.
E:
8.
PI
: 1
+2
0.
N : 1
4.
E:
7.
15 PI
: 1
+2 1.
N
: 1
6.
E:
0.
ST
A.
+0
EN
D F
U
LL
TE
M
PL
AT
E
PL
AC
EM
EN
T
CONSTRUCTION BERM +5.0' (NAVD 88)
STORM BERM +9.5' (NAVD 88) CONSTRUCTION BERM +5.0' (NAVD 88)
-1 5.
:1
-1 5.
:1
-1 0.
:1
-1 0.
:1
-1 5.
:1
-1 0.
:1
-5
-8 -7
-6
-4 -3
-2 -1
12PI
: 1
+9
7.
N : 1
8.
E:
8.
PI
: 1
+2
0.
N : 1
4.
E:
7.
15 PI
: 1
+2 1.
N
: 1
6.
E:
0.
PI
: 1
+9
7.
N : 1
8.
E:
8.
PI
: 1
+2
0.
N : 1
4.
E:
7.
15 PI
: 1
+2 1.
N
: 1
6.
E:
0.
STA. 126+00
TRANSITION
STA. 128+00
TRANSITION
STA. 130+00
TRANSITION
STA. 136+00
TRANSITION
C O
N
TR
AC
T
N O
D
ES
IG
N
ED
B
Y:
D
ES
C R
IP
TI
O N
A
M
AR
K
SI
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SU
BM
IT
TE
D B
Y:
D
AT
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SO
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C
IT
AT
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N N
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C H
EC
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D B
Y:
D R
AW
N
B Y:
IS
SU
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AT
E:
SHEET ID
B
C
D
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F
G
2 3 4 5 6 7 8 9 10
US Army Corps of Engineers
C O
AS
TA
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ST
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M R
IS
K
M
AN
AG
EM
EN
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W R
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VI
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BE
AC
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N O
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TH
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N A
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.A R
M Y
C O
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PS
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EN
G
IN
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R S
W
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TO
N D
IS
TR
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D
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N G
TO
N
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N U
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TO
N
, N O
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T.
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XX
XX
M
AR
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W B
0-
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CN103
W R
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M
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C H
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N
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S
H
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N
M
AT
C H
LI
N
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- S
EE
S
H
EE
T C
N
NOTES:
1. SEE NOTES SHEET CN101.
SCALE 1"=100'
Feet
HWR HWR HWR HWR HWR HWR HWR
H W
R HWR HWR HWR HWR HWR HWR HWR HWR HWR
HWR
HWR
HWR
HWR
HWR
HW
R
HWR HWR
S C
O T
C H
B O
N N
E T
LN
C O
W R
IE
LN
S A
N D
D O
LLA
R
LN
C O
N C
H
LN
WB TOWN BUILDING LINE
142+00 143+00 144+00 145+00 146+00 147+00 148+00 149+00 150+00 151+00
152+00 153+00
154+00 155+00
156+00 157+00
158+00 159+00
160+00 161+00 162+00 163+00 164+00 165+00 166+00 167+00 168+00 168+64.03
PI
: 1
+9
1.
N : 1
2.
E:
8.
PI
: 1
+7
8.
N : 1
6.
E:
5.
PO
E:
+6 4.
N
: 1
9.
E:
6.
ST
A.
+6 5.
EN
D
TR
AN
SI
TI
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CONSTRUCTION BERM +5.0' (NAVD 88)
-1 5.
:1
-5
-7 -6
-4 -3
-2 -1
PI
: 1
+9
1.
N : 1
2.
E:
8.
PI
: 1
+7
8.
N : 1
6.
E:
5.
PO
E:
+6 4.
N
: 1
9.
E:
6.
PI
: 1
+9
1.
N : 1
2.
E:
8.
PI
: 1
+7
8.
N : 1
6.
E:
5.
PO
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+6 4.
N
: 1
9.
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6.
C O
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TR
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B
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D B
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D B
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D R
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SHEET ID
B
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D
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F
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2 3 4 5 6 7 8 9 10
US Army Corps of Engineers
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W B
0-
-6
CN104
W R
IG
H
TS
VI
LL
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BE
AC
H P
LA
N
V
IE
W (C
O N
T.
C N
XX
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BE
AC
H P
LA
N
VI
EW
.d w g
M
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C H
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N
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- S
EE
S
H
EE
T C
N
NOTES:
1. SEE NOTES SHEET CN101.
Feet
SCALE 1"=100'
+9.5'
CONSTRUCTION
BERM
50'
15H:1V
15H:1V
45'
-5
-10
-15
EL
EV
AT
IO
N
IN
F
EE
T
0 50 100 150 200 250 300 350 400 450 500 550-50
-5
-10
-15
EL
EV
AT
IO
N
IN
F
EE
T
0 50 100 150 200 250 300 350 400 450 500 550-50
STORM
BERM
+12.5'
30'25'
DUNE
+5.0'
+9.5'
CONSTRUCTION
BERM
105'
15H:1V
45'
-5
-10
-15
EL
EV
AT
IO
N
IN
F
EE
T
0 50 100 150 200 250 300 350 400 450 500 550-50
STORM
BERM
TYPICAL BEACH BERM AND DUNE SECTION
TYPICAL BEACH STORM BERM SECTION
+5.0'
+9.5'
CONSTRUCTION
BERM
105'
15H:1V
45'
-5
-10
-15
EL
EV
AT
IO
N
IN
F
EE
T
0 50 100 150 200 250 300 350 400 450 500 550-50
STORM
BERM
TYPICAL BEACH STORM BERM SECTION
10H:1V
10H:1V
10H:1V
10H:1V
10H:1V
+5.0'
+5.0'
TYPICAL BEACH TRANSITION SECTION ON BOTH
SOUTH END AND NORTH END
69+00 TO 80+00
140+00 TO 159+65.73
DISTANCE VARIES
SLOPE
INTERCEPT
SLOPE
INTERCEPT
ASSUMED
SLOPE DURING
CONSTRUCTION
SEE NOTE 1APPROXIMATE
EXISTING BEACH
PROFILE
CORPS OF ENGINEERS
BASELINE
ASSUMED
SLOPE DURING
CONSTRUCTION
SEE NOTE 1
APPROXIMATE
EXISTING BEACH
PROFILE
CORPS OF ENGINEERS
BASELINE
ASSUMED
SLOPE DURING
CONSTRUCTION
SEE NOTE 1
APPROXIMATE
EXISTING BEACH
PROFILE
CORPS OF ENGINEERS
BASELINE
CORPS OF ENGINEERS
BASELINE
APPROXIMATE
EXISTING BEACH
PROFILE
TOE OF
STORM
BERM
ASSUMED
SLOPE DURING
CONSTRUCTION
SEE NOTE 1
CONSTRUCTION
BERM WIDTH
VARIES
80+00 TO 88+00
106+00 TO 126+00
TOE OF
STORM BERM
SLOPE
INTERCEPT
TOE OF
STORM BERM
SLOPE
INTERCEPT
200'
200'
200'
25' 50' 200'
+5.0'
+12.5'
+9.5'
DUNE STORM
BERM
30' 45'
5H :1V
15H:1V
-5
-10
-15
EL
EV
AT
IO
N
IN
F
EE
T
0 50 100 150 200 250 300 350 400 450 500 550-50
10H:1V
10H:1V
TYPICAL BEACH BERM AND DUNE SECTION (FULL AUTHORIZED BEACH TEMPLATE)
+5.0'
SLOPE
INTERCEPT
CORPS OF ENGINEERS
BASELINE
TOE OF
STORM
BERM
APPROXIMATE
EXISTING BEACH
PROFILE
ASSUMED
SLOPE DURING
CONSTRUCTION
SEE NOTE 1
CONSTRUCTION
BERM
90+00 TO 94+00
99+00 TO 106+00
128+00 TO 130+00
88+00 TO 90+00
126+00 TO 128+00
130+00 TO 136+00
PLUS
TOLERANCE
MINUS
TOLERANCE
MHW (+1.4' NAVD 88)
MHW (+1.4' NAVD 88)
PLUS
TOLERANCE
MINUS
TOLERANCE
PLUS
TOLERANCE
MINUS
TOLERANCE
MHW (+1.4' NAVD 88)
PLUS
TOLERANCE
MINUS
TOLERANCE
MHW (+1.4' NAVD 88)
PLUS
TOLERANCE
MINUS
TOLERANCE
MHW (+1.4' NAVD 88)
94+00 TO 99+00
136+00 TO 140+00
C O
N
TR
AC
T
N O
D
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N
ED
B
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D
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C R
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SHEET ID
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NOTES:
1. THE WIDTH OF THE CONSTRUCTION BERM IS DEPENDENT UPON THE PROPORTIONAL QUANTITY OF SAND TO BE PLACED AT THE TIME OF CONSTRUCTION. THE BASIS FOR DETERMINING THE WIDTH OF THE CONSTRUCTION BERM WILL BE THE GOVERNMENT'S INTERPRETATION OF THE BORROW AREA, BEACH PRE-CONSTRUCTION SURVEY, AND THE
SLOPE OF THE MATERIAL DURING PLACEMENT.
2. THE CONSTRUCTION BERM SLOPE IS DEPENDENT UPON MATERIAL PROPERTIES AND WAVE ENVIRONMENT DURING PLACEMENT. THE 15H:1V SEAWARD SLOPE IS THE INITIAL
ASSUMED SLOPE FOR PAYMENT AND QUANTITY PURPOSES.
3. EXISTING BEACH SURVEY COMPLETED IS JUNE 2022. HORIZONTAL DATUM IS NAD 83 AND VERTICAL DATUM IS NAVD 88.
4. THE CONTRACTOR SHALL NOT REMOVE OR RELOCATE ANY EXISTING BEACH MATERIAL THAT IS ABOVE THE BEACH FILL PROFILE PRIOR TO CONSTRUCTION.
5. AS AN OPTION TO THE CONTRACT AND AT THE DIRECTION OF THE CONTRACTING OFFICER, THE CONTRACTOR SHALL TILL ANY FILL AREAS IDENTIFIED BY THE CONTRACTING OFFICER. BEACH TILLING LIMITS SHALL BE ALONG THE ENTIRE LENGTH OF THE BEACH FILL AREA FROM THE SEAWARD TOE OF THE STORM BERM TO MEAN HIGH WATER (ELEV.
+1.4 NAVD88)
6. A VERTICAL TOLERANCE OF +/- 0.5' ABOVE AND BELOW THE PRESCRIBED BERM AND DUNE GRADE AND SLOPES LINE SHALL BE PERMITTED IN THE FINISHED SURFACE. BELOW THE MEAN HIGH WATER LINE (+/-1.40' NAVD88) THE FILL MATERIAL WILL BE ALLOWED TO ASSUME ITS NATURAL SLOPE RESULTING FROM THE EFFECTS OF WAVE AND WATER LEVEL CONDITIONS. FOR PAYMENT PURPOSES, THE TOLERANCE LINE SHALL EXTEND THE ENTIRE DUNE, STORM BERM, BERM AND SLOPES (LANDWARD, INTERMEDIATE, AND ASSUMED SEAWARD SLOPE) TO THE INTERSECTION OF THE LANDWARD AND ASSUMED SEAWARD SLOPE AND PRE-CONSTRUCTION SURVEYED CONDITION, SEE SPECIFICATION
SECTION 35 20 23 FOR MEASUREMENT AND PAYMENT AND ALLOWABLE TOLERANCE.
SCALES FOR ALL SECTIONS
HORIZONTAL: 1"=50'
VERTICAL: 1"= 10'
74+00
-40
-20
-40
-20
0 200 400 600 8000
66+00
-40
-20
-40
-20
0 200 400 600 8000
68+00
-40
-20
-40
-20
0 200 400 600 8000
70+00
-40
-20
-40
-20
0 200 400 600 8000
72+00
-40
-20
-40
-20
0 200 400 600 8000
76+00
-40
-20
-40
-20
0 200 400 600 8000
78+00
-40
-20
-40
-20
0 200 400 600 8000
80+00
-40
-20
-40
-20
0 200 400 600 8000
82+00
-40
-20
-40
-20
0 200 400 600 8000
84+00
-40
-20
-40
-20
0 200 400 600 8000
86+00
-40
-20
-40
-20
0 200 400 600 8000
88+00
-40
-20
-40
-20
0 200 400 600 8000
200'
66+00
-40
-20
-40
-20
0 200 400 600 8000
68+00
-40
-20
-40
-20
0 200 400 600 8000
70+00
-40
-20
-40
-20
0 200 400 600 8000
72+00
-40
-20
-40
-20
0 200 400 600 8000
74+00
-40
-20
-40
-20
0 200 400 600 8000
76+00
-40
-20
-40
-20
0 200 400 600 8000
78+00
-40
-20
-40
-20
0 200 400 600 8000
80+00
-40
-20
-40
-20
0 200 400 600 8000
82+00
-40
-20
-40
-20
0 200 400 600 8000
84+00
-40
-20
-40
-20
0 200 400 600 8000
86+00
-40
-20
-40
-20
0 200 400 600 8000
88+00
-40
-20
-40
-20
0 200 400 600 8000
BA
SE
LI
N
E
BA
SE
LI
N
E
BA
SE
LI
N
E
BA
SE
LI
N
E
BA
SE
LI
N
E
BA
SE
LI
N
E
BA
SE
LI
N
E
BA
SE
LI
N
E
BA
SE
LI
N
E
BA
SE
LI
N
E
BA
SE
LI
N
E
BA
SE
LI
N
E
MHW MHW MHW MHW
MHW MHW MHW MHW
MHW MHW MHW MHW
C O
N
TR
AC
T
N O
D
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IG
N
ED
B
Y:
D
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C R
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BM
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D B
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C
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N N
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D B
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D R
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IS
SU
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AT
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SHEET ID
B
C
D
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F
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2 3 4 5 6 7 8 9 10
US Army Corps of Engineers
C O
AS
TA
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ST
O R
M R
IS
K
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BE
AC
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N O
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M Y
C O
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IN
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TO
N D
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N G
TO
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A
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N U
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M
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TO
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N A
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D R
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T.
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H . W
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SCALES:
HORIZONTAL: 1"=200'
VERTICAL: 1"=20'
90+00
-20
-40
-20
0 200 400 600 8000
92+00
-40
-20
-40
-20
0 200 400 600 8000
94+00
-40
-20
-40
-20
0 200 400 600 8000
96+00
-40
-20
-40
-20
0 200 400 600 8000
98+00
-40
-20
-40
-20
0 200 400 600 8000
100+00
-40
-20
-40
-20
0 200 400 600 8000
102+00
-40
-20
-40
-20
0 200 400 600 8000
104+00
-40
-20
-40
-20
0 200 400 600 8000
106+00
-40
-20
-40
-20
0 200 400 600 8000
108+00
-40
-20
-40
-20
0 200 400 600 8000
110+00
-40
-20
-40
-20
0 200 400 600 8000
112+00
-40
-20
-40
-20
0 200 400 600 8000
25' 50'
200'
90+00
-40
-20
-40
-20
0 200 400 600 8000
92+00
-40
-20
-40
-20
0 200 400 600 8000
94+00
-40
-20
-40
-20
0 200 400 600 8000
96+00
-40
-20
-40
-20
0 200 400 600 8000
98+00
-40
-20
-40
-20
0 200 400 600 8000
100+00
-40
-20
-40
-20
0 200 400 600 8000
102+00
-40
-20
-40
-20
0 200 400 600 8000
104+00
-40
-20
-40
-20
0 200 400 600 8000
106+00
-40
-20
-40
-20
0 200 400 600 8000
108+00
-40
-20
-40
-20
0 200 400 600 8000
110+00
-40
-20
-40
-20
0 200 400 600 8000
112+00
-40
-20
-40
-20
0 200 400 600 8000
BA
SE
LI
N
E
BA
SE
LI
N
E
BA
SE
LI
N
E
BA
SE
LI
N
E
BA
SE
LI
N
E
BA
SE
LI
N
E
BA
SE
LI
N
E
BA
SE
LI
N
E
BA
SE
LI
N
E
BA
SE
LI
N
E
BA
SE
LI
N
E
BA
SE
LI
N
E
MHW MHW MHW MHW
MHW MHW MHW MHW
MHW MHW MHW MHW
C O
N
TR
AC
T
N O
D
ES
IG
N
ED
B
Y:
D
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C R
IP
TI
O N
A
M
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K
SI
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BM
IT
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D B
Y:
D
AT
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SO
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C
IT
AT
IO
N N
O
C H
EC
KE
D B
Y:
D R
AW
N
B Y:
IS
SU
E D
AT
E:
SHEET ID
B
C
D
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F
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2 3 4 5 6 7 8 9 10
US Army Corps of Engineers
C O
AS
TA
L
ST
O R
M R
IS
K
M
AN
AG
EM
EN
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W R
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H
TS
VI
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BE
AC
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N O
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N A
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M Y
C O
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IN
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W
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TO
N D
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TR
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N G
TO
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A
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N U
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M
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TO
N
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N A
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D R
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T.
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N
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H . W
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SCALES:
114+00
-20
-40
-20
0 200 400 600 8000
116+00
-40
-20
-40
-20
0 200 400 600 8000
118+00
-40
-20
-40
-20
0 200 400 600 8000
120+00
-40
-20
-40
-20
0 200 400 600 8000
122+00
-40
-20
-40
-20
0 200 400 600 8000
124+00
-40
-20
-40
-20
0 200 400 600 8000
126+00
-40
-20
-40
-20
0 200 400 600 8000
128+00
-40
-20
-40
-20
0 200 400 600 8000
130+00
-40
-20
-40
-20
0 200 400 600 8000
132+00
-40
-20
-40
-20
0 200 400 600 8000
134+00
-40
-20
-40
-20
0 200 400 600 8000
136+00
-40
-20
-40
-20
0 200 400 600 8000
25' 50'
200'
114+00
-40
-20
-40
-20
0 200 400 600 8000
116+00
-40
-20
-40
-20
0 200 400 600 8000
118+00
-40
-20
-40
-20
0 200 400 600 8000
120+00
-40
-20
-40
-20
0 200 400 600 8000
122+00
-40
-20
-40
-20
0 200 400 600 8000
124+00
-40
-20
-40
-20
0 200 400 600 8000
126+00
-40
-20
-40
-20
0 200 400 600 8000
128+00
-40
-20
-40
-20
0 200 400 600 8000
130+00
-40
-20
-40
-20
0 200 400 600 8000
132+00
-40
-20
-40
-20
0 200 400 600 8000
134+00
-40
-20
-40
-20
0 200 400 600 8000
136+00
-40
-20
-40
-20
0 200 400 600 8000
BA
SE
LI
N
E
BA
SE
LI
N
E
BA
SE
LI
N
E
BA
SE
LI
N
E
BA
SE
LI
N
E
BA
SE
LI
N
E
BA
SE
LI
N
E
BA
SE
LI
N
E
BA
SE
LI
N
E
BA
SE
LI
N
E
BA
SE
LI
N
E
BA
SE
LI
N
E
MHW MHW MHW MHW
MHW MHW MHW MHW
MHW MHW MHW MHW
C O
N
TR
AC
T
N O
D
ES
IG
N
ED
B
Y:
D
ES
C R
IP
TI
O N
A
M
AR
K
SI
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SU
BM
IT
TE
D B
Y:
D
AT
E
SO
LI
C
IT
AT
IO
N N
O
C H
EC
KE
D B
Y:
D R
AW
N
B Y:
IS
SU
E D
AT
E:
SHEET ID
B
C
D
E
F
G
2 3 4 5 6 7 8 9 10
US Army Corps of Engineers
C O
AS
TA
L
ST
O R
M R
IS
K
M
AN
AG
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EN
T
W R
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H
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VI
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BE
AC
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N O
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N A
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M Y
C O
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PS
O F
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IN
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R S
W
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M
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N D
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TR
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D
AR
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N G
TO
N
A
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N U
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M
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TO
N
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C
AR
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N A
"X
D R
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T.
M U
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PH
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N
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H . W
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H . W
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BE
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S (C
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T.
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TI
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SCALES:
138+00
-20
-40
-20
0 200 400 600 8000
140+00
-40
-20
-40
-20
0 200 400 600 8000
142+00
-40
-20
-40
-20
0 200 400 600 8000
144+00
-40
-20
-40
-20
0 200 400 600 8000
146+00
-40
-20
-40
-20
0 200 400 600 8000
148+00
-40
-20
-40
-20
0 200 400 600 8000
150+00
-40
-20
-40
-20
0 200 400 600 8000
152+00
-40
-20
-40
-20
0 200 400 600 8000
154+00
-40
-20
-40
-20
0 200 400 600 8000
156+00
-40
-20
-40
-20
0 200 400 600 8000
158+00
-40
-20
-40
-20
0 200 400 600 8000
160+00
-40
-20
-40
-20
0 200 400 600 8000
25' 50'
200'
138+00
-40
-20
-40
-20
0 200 400 600 8000
140+00
-40
-20
-40
-20
0 200 400 600 8000
142+00
-40
-20
-40
-20
0 200 400 600 8000
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0 200 400 600 8000
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0 200 400 600 8000
148+00
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0 200 400 600 8000
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0 200 400 600 8000
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0 200 400 600 8000
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0 200 400 600 8000
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160+00
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0 200 400 600 8000
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SCALES:
| Sheets and Views |
| G001 COVER SHEET |
| Sheet 1 |
| GI01 LOCATION MAP, PROJECT OVERVIEW AND INDEX OF DRAWINGS |
| Sheet 1 |
| G101 WRIGHTSVILLE BEACH LOCATION MAP |
| Sheet 1 |
| G102 OFFSHORE BORROW AREA |
| Sheet 1 |
| CN101 WRIGHTSVILLE BEACH PLAN VIEW |
| Sheet 1 |
| CN102 WRIGHTSVILLE BEACH PLAN VIEW (CONT.) |
| Sheet 1 |
| CN103 WRIGHTSVILLE BEACH PLAN VIEW (CONT.) |
| Sheet 1 |
| CN104 WRIGHTSVILLE BEACH PLAN VIEW (CONT.) |
| Sheet 1 |
| CN301 TYPICAL BEACH SECTIONS |
| Sheet 1 |
| CN302 BEACH SECTIONS |
| Sheet 1 |
| CN303 BEACH SECTIONS (CONT.) |
| Sheet 1 |
| CN304 BEACH SECTIONS (CONT.) |
| Sheet 1 |
| CN305 BEACH SECTIONS (CONT.) |
| Sheet 1 |
File details come from the government source that posted it. Updated .