HomeMy WebLinkAbout19900245 Ver 1_COMPLETE FILE_19900101d W$fATp O
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State of North Carolina
Department of Environment, Health, and Natural Resources
Division of Environmental Management
512 North Salisbury Street * Raleigh, North Carolina 27611
James G. Martin, Governor April 27, 1990 George T. Everett, Ph.D.
William W. Cobey, Jr.,. Secretary Director
Thomas C. Suermann
Lieutenant Colonel
District Engineer
U. S. Army Corps of Engineers
P. 0. Box 1890
Wilmington, N. C. 28402-1890
Dear Lt. Col. Suermann
Subject: Certification Pursuant to Section 401 of the Federal
Clean Water Act,
Proposed Wrightsville Beach Shore
and Hurricane Wave Protection Project
Corps of Engineers
New Hanover County
Attached hereto are two (2) copies of Certification No. 2459
issued to the U. S. Army Corps of Engineers dated April 27,
1990.
If we,can be of further assistance, do not hesitate to
contact us.
Sincerely,
George T. Everett
Director
Attachments
cc: Wilmington District Corps of Engineers
Wmington Regional Office
r. William Mills
Mr. John Parker
PbUution Prevention Pays
P.O. Box 27687, Raleigh, North Carolina 27611-7687 Telephone 919-733-7015
An F-ml nnnnrhmity Affirmative Actinn Fmnlnver
NORTH CAROLINA
New Hanover County
CERTIFICATION
THIS CERTIFICATION is issued in conformity with the
requirements of Section 401 Public Laws 92-500 and 95-217 of the
United States and subject to the North Carolina Division of
Environmental Management Regulations in 15 NCAC 2H, Section .0500
to the U. S. Army Corps of Engineers pursuant to an application
filed on the 28th day of March, 1990, to place dredged material
on the beach at Wrightsville Beach in conjunction with the
Wrightsville Beach Shore and.Hurricane Wave Protection Project.
The Application provides adequate assurance that the
discharge of dredged material into the waters of the Atlantic
ocean in conjunction with the proposed Project in New
Hanover County will not result in a violation of
applicable Water Quality Standards and discharge guidelines.
Therefore, the State of North Carolina certifies that this
activity will not violate Sections 301, 302, 303, 306, 307 of PL
92-500 and PL 95-217 if conducted in accordance with the
application and conditions hereinafter set forth.
Condition(s) of Certification:
1. That the activity be conducted in such a manner as
to prevent significant increase in turbidity
outside the area of construction or construction
related discharge (increases such that the
turbidity in the Stream is 25 NTU's or less are not
considered significant).
2. That the terminal end of the pipeline shall be
positioned landward of the MHW line to allow
maximum settlement of suspended solids.
3. That nuisance materials such as glass, metals and
plastics should be removed from the beach as soon
as possible after each pumping event.
4. This Certification is valid only for the 1990
Project. Previous Certifications Nos. 1393 and
1393R are no longer valid.
Violations of any condition herein set forth shall result in
revocation of this Certification.
.4 1
x
This Certification shall become null and void unless the
above conditions are made conditions of the Federal Permit.
This the 27th day of April, 1990.
DIVISION OF ENVIRONMENTAL MANAGEMENT
4? eorge T. Everett, Director
WQC* 2459
r
DIVISION OF ENVIRONMENTAL MANAGEMENT
Date: March 2, 1990
To: Bill Mills
Planning Branch
From: James H. Gregson A-cs
Wilmington Regional Office
Through: Preston Howard
Wilmington Regional Office
MAR
Subject: Regional Office Review and Recommendations
Application for Permit for Excavation and/or Fill
Project t 9002-F
COE Public Notice CESAW-PD-E-90-65-0009
Wrightsville Beach Renourishment Project
New Hanover County
PROJECT DESCRIPTION: The Wilmington District COE is proposing to
renourish Wrightsville Beach.
ADJACENT WATER BODY: Banks Channel and Atlantic Ocean
CLASSIFICATION: SB
The project has been reviewed to determine impacts to water
quality. The following comments have been provided.
The project will require a 401 Water Quality Certification
and that Certification should include the following conditions
for the discharge of 580,000 cu. yds. of dredged material on
Wrightsville Beach.
1. That turbidity shall not exceed 25 NTU as a result of
the project.
2. That the terminal end of the pipeline shall be
positioned landward of the MHW line to allow maximum
settlement of suspended solids.
3. That nuisance materials such as glass, metals and
plastics should be removed from the beach as soon as
possible after each pumping event.
4. That this Certification shall only be valid for the
1990 project.
This office has no objection to the project as proposed.
JHG:9002-F.FEB
cc: WiRO, CF
Jim Gregson
DEPARTMENT OF THE ARMY
WILMINGTON DISTRICT, CORPS OF ENGINEERS
P.O. BOX 1890
WILMINGTON, NORTH CAROLINA 28402.1890
March 22, 1990
IN REPLY REFER TO
Planning Division
Dr. George T. Everett, Director
Division of Environmental Management
North Carolina Department of Environment,
Health, and Natural Resources
Post Office Box 27687
Raleigh, North Carolina 27611-7687
Dear Dr. Everett:
The purpose of this letter is to request amendment of Water
Quality Certification'`(-WQC) Nos. 1393 issued on April 30, 1980,
and 1393-R issued on? ' September 30, 1980. Certification No. 1393
allowed the discharge of dredged material for the Wrightsville
Beach' Restoration. Project, which extended 14,000 feet.from
Masonboro Inlet on the south to the location of the northern town
limit as it existed in 1965 (Station 70+00 to Station 140+00 on
the enclosed plates 1 and 2). Certification No. 1393-R modified
WQC No. 1393 to allow discharge of dredged material from the
114,000-foot mark (Station 140+00) of Wrightsville Beach to the
north approximately 2,000 feet (Station 160+00). The beach
renourishment limits have not changed since 1980; however, WQC
Nos. 13,93 and 1393-R were written only for the work to be
performed in 1980, and the borrow sources for the renourishment
material have been expanded.
We_request that WQC Nos. 1393 and 1.393-R be amended to include
continued Federal participation in the Wrightsville Beach Shore
and Hurricane Wave Protection Project, New Hanover County, North
Carolina, and the discharge of dredged material from the expanded
sediment trap/borrow sites in Banks Channel and Masonboro Inlet
on Wrightsville Beach in any year that it may be required. To
facilitate your review of our request for amendment, I have
enclosed the following documents:
_ a. Section 404(b)(1) (P.L. 95-217) Evaluation Report and
Findings of Compliance signed on October 4, 1982.
< -2-
b. Public Notice CESAW-PD-E-90-65-0009, dated February 1, 1990.
c. Public Notice CESAW-PD-E-90-65-0012, dated March 15, 1990.
d. Wrightsville B? ach, North Carolina Renourishment Report
and Supplement to the.%Environmental Assessment and Finding of No
Significant Impact (EA/FONSI), dated-September 1989.
e. Amendment to the Supplement to the EA_/FONSI, prepared in
March 1990.
As we would like to begin renourishment in July 1990, we
would appreciate receiving the amendment prior to the scheduled
advertisement date of May 14, 1990.
If you have any questions regarding this matter or require
additional information, please call Mrs. Trudy Wilder,
Environmental Resources Branch, at (919) 251-4581.
Sincerely,
Robert D. Volz
Major, Corps of Engineers
Acting District Engineer
Thomas C. Suermann
Lieutenant Colonel,
Corps of Engineers
District Engineer
Enclosures
C py Furnished (with enclosures):
Mr. Bill Mills
Division of Environmental Management
North Carolina Department of Environment,
Health, and Natural Resources
Post Office Box 27687
Raleigh, North Carolina 27611-7687
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AFFIDAVIT OF PUBLICATION
STATE OF NORTH CAROLINA,
COUNTY OF NEW HANOVER
Before the undersigned, a Notary Public of said County and State,
JACOB BRINSON
who, being duly sworn or affirmed, according to the law, says that he/she is
CLASSIFIED ADVERTISING MANAGER
of THE WILMINGTON STAR-NEWS, INC., a corporation organized and doing business under the
Laws of the State of North Carolina, and publishing a newspaper known as WILMINGTON
MORNING STAR & SUNDAY STAR-NEWS in the City-of Wilmington
PUBLIC NOTICE OF APPLICATIO+NFO
R WATER QUALITY CERTIFICATION
THE -NORTH CAROLINA DIVISION 0
PUBLIC NOTICE U
APR41 N 1x
cr i
ATE:U??LITY
?, planning Branc ry^
Uk,, and at the 6.06
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loit Y7e97. NOON
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apptipaAbttc@nba *;"W t-
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573.
Ode: mock as, 1961!
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aforesaid newspaper in space, and on dates as follows:
1990
Publication Wilmington Star-News was a newspaper meeting all the
tions prescribed by Sec. No. I-597 G.S. of N.C.
•
CLASSIFIirC AJV. MGR
Title 3RD
Sworn or affirmed to, and subscribed before me, this day
ofAPl; IL , A.D., 19 90
In Testimony Whereof, I have hereunto set my hand and affixed my official seal, the day and
year aforesaid.
If
My commission expires 21 day of J U IV E 19 9 4
Notary Public
Upon reading the aforegoing affidavit with the advertisement thereto annexed it is adjudged by the Court that the said publication was duly and properly
made, and that the summons has been duly and legally served on the defendant(s).
This day of , 19
MAIL TO:
Clerk of Superior Court
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Public Notice of Application for
Water Quality Certification
The North Carolina Division of Environmental Management of
the Department of Environment, Health and Natural,Zesources has
received an application from the U.S. Army, Corps of Engineers,
Wilmington District, Wilmington, NC for a Water Quality
Certification pursuant toy Section 401 of the Federal Clean Water
Act as amended. The act?ilvity for which the Certification is
sought is the discharge,of dredged miterial onto the Atlantic
Ocean Beach from the Wrightsville Beach Restoration Projectin
New-'Hanover County.
The public is invited to comment on the impact of the
proposed project on water quality. A copy of the application may
bezinsP,ected.at the Depa'rtment's office in Raleigh, Archdale
Building, 512 North Salisbury Street, Room 6107, or the
Wilmington Regional Office, 7225 Wrightsville Avenue, Wilmington,
NC ng_normal work hours. Comments must be submitted in
wr. `na later than April 20, 1990. Any comments should be
ad ; Sed "to the North Carolina Division of Environmental
Management, Water Quality Section, Post Office Box 27687,
Riieigh, North Carolina 27611. Any questions regarding the
application can be directed to Mr. William Mills at (919)
733-5083,' Ext.'573.'
021 l 9? /George T. Everett, Director
DATE
N.C. Division of Environmental Management
Public Notice of Application for
Water Quality Certification
The North.Carolina Division of Environmental Management of
the Department of Environment, Health and Natural resources has
received an application from the U.S. Army, Corps of Engineers,
Wilmingtoh.District, Wilmington, NC for a Water Quality
Certification pursuant to. Section 401 of the Federal Clean Water
Act as amended. The aQvity for which the Certification is
spught is the discharge,of dredged miterial onto the Atlantic
Ocean Beach from the Wrightsville Beach Restoration Project<in
New Hanover County.
The public is invited to comment on the impact of the
proposed project on water quality. A copy of the application may
be. -in`spected.at the Department's office in Raleigh, Archdale
Building, 512 North Salisbury Street, Room 6107, or the
Wilmington Regional Office, 7225 Wrightsville Avenue, Wilmington,
NC,',during normal work hours. Comments must be submitted in
wrying no. ester than April 20, 1990. Any comments should be
addressed to the North Carolina Division of Environmental
Management, Water Quality Section, Post office Box 27687,
RaleNorth Carolina 27611. Any questions regarding the
application can be directed to Mr. William Mills at (919)
733-5083, Ext. 573.
I-- /George T. Everett, Director
021? -114
DATE
N.C. Division of Environmental Management
Public Notice of Application for
Water Quality Certification
The North.Carolina Division of Environmental Management of
the Department of Environment, Health and Natural ?Zesources has
received an application from the U.S. Army, Corps of Engineers,
Wilmington District, Wilmington, NC for a Water Quality
Certification pursuant to; Section 401 of the Federal Clean Water
Act as amended. The actiVvity for which the Certification is
sought is the discharge,of dredged material onto the Atlantic
ocean''Beaoh from the Wrightsville Beach Restoration Project:in
New,Hanover County.
The public is invited to comment on the impact of the
proposed project on water quality. A copy of the application may
be respected at the Depatment's office in Raleigh, Archdale
Building, 512 North Salisbury Street, Room 6107, or the
Wilmington Regional office, 7225 Wrightsville Avenue, Wilmington,
NC,<during normal work hours. Comments must be submitted in
wr"` ?= na later than April 20, 1990. Any comments should be
ad;. ed`to the North Carolina Division of Environmental
Ma`n ement, Water Quality Section, Post Office Box 27687,
Raleigh, North Carolina 27611. Any questions regarding the
app'3ieation can be directed to Mr. William Mills at (919)
731=5083, Ext. 573.`
p2f 9j,_ George T. Everett, Director
DATE
N.C. Division of Environmental Management
Public Notice of Application for
Water Quality Certification
The North Carolina Division of Environmental Management of
the Department of Environment, Health and Natural,Zesources has
received an application from the U.S. Army, Corps of Engineers,
Wilmington,District, Wilmington, NC for a Water Quality
Certification pursuant toy Section 401 of the Federal Clean Water
Act as amended. The actMty for which the Certification is
sought is the discharge,of dredged material onto the Atlantic
OceanBeach from the Wrightsville Beach Restoration Project.,in
New Hanover County.
The..public is invited to comment on the impact of the
proposed project on water quality. A copy of the application may
be;anspeeted at the Department's office in.Raleigh, Archdale
Building, 512 North Salisbury Street, Room 6107, or the
Wilmington Regional Office, 7225 Wrightsville Avenue, Wilmington,
NC, during normal work hours. Comments must be submitted in
wr=,'I,ng no later than April 20, 1990. Any comments should be
addressed to the North Carolina Division of Environmental
Management, Water Quality Section, Post Office Box 27687,
Raleigh, North Carolina 27611. Any questions regarding the
application can be directed to Mr. William Mills at (919)
733-5083, Ext. 573.
p2T l 9? George T. Everett, Director
±AV
DATE
N.C. Division of Environmental Management
Public Notice of Application for
Water Quality Certification
The North Carolina Division of Environmental Management of
the Department of Environment, Health and Natural Resources has
received an application from the U.S. Army, Corps of Engineers,
Wilmington District, Wilmington, NC for a Water Quality
Certification pursuant toy Section 401 of the Federal Clean Water
Act as amended. The act?lvity for which the Certification is
sought is the discharge,of dredged material onto the Atlantic
OceanBeach from the Wrightsville Beach Restoration Project,-in
New Hanover County.
The public is invited to comment on the impact of the
proposed.project on water quality. A copy of the application may
beinspected at the Department's office in Raleigh, Archdale
Building, 512 North Salisbury Street, Room 6107, or the
Wilmington Regional Office, 7225 Wrightsville Avenue, Wilmington,
NC, during normal work hours. Comments must be submitted in
wr" ' y F.;na later than April 20, 1990. Any comments should be
ad' sed'to the North Carolina Division of Environmental
Manes ement, Water Quality Section, Post Office Box 27687,
Raleigh>, North Carolina 27611. Any questions regarding the
application can be directed to Mr. William Mills at (919)
733-5083, Ext. 573.
02? l 9? George T. Everett, Director
DATE
N.C. Division of Environmental Management
Public Notice of Application for
Water Quality Certification
The North Carolina Division of Environmental Management of
the Department of Environment, Health and Natural.Zesources has
received an application from the U.S. Army, Corps of Engineers,
Wilmington District, Wilmington, NC for a Water Quality
Certification pursuant toy Section 401 of the Federal Clean Water
Act as amended. The act?ilvity for which the Certification is
sought is the discharge,of dredged material onto the Atlantic
Ocean Beach from the Wrightsville Beach Restoration Project.-in
New Hanover County.
The public is invited to comment on the impact of the
proposed project on water quality. A copy of the application may
be'inspected at the Department's office in Raleigh, Archdale
Building, 512 North Salisbury Street, Room 6107, or the
Wilmington Regional office, 7225 Wrightsville Avenue, Wilmington,
NC,.during normal work hours. Comments must be submitted in
writing nd later than April 20, 1990. Any comments should be
addressed to the North Carolina Division of Environmental
Management, Water Quality Section, Post Office Box 27687,
Raleigh,-North Carolina 27611. Any questions regarding the
application can be directed to Mr. William Mills at (919)
733-5083, Ext. 573.
02, ? ? l 9f George T. Everett, Director
DATE
N.C. Division of Environmental Management
DECEIVED
State of North Carolina F E B 2 6 1990
Department of Natural Resources and Community Development
Division of Coastal Management Wilmington Regional Off1c
512 North Salisbury Street • Raleigh, North Carolina 27611
James G. Martin, Governor 02/15/90 George T. Everett
William W. Cobey, Jr., Secretary - Director
Mr. Jim Gregson
NC DEH&NR
Div. Environmental Management
7225 Wrightsville Avenue FEB 19 1990
Wilmington, NC 28403
OFFICE OF COASTAL MANAGEMENT
REFERENCE: CESAW-90-0009 WILh11NGTON REGIONAL OFFICE
Applicant/Sponsor: U.S. Army Cor:2s.,9.g.Engineers
Notice of Availability EA/FONSI/CD Wrightsville Beach'Renourish.
Dear Mr. Gregson:
The attached U-.S. Army Corps of Engineers Public Notice, dated
02/01/90 describing a federal project or permit is being circulated
to interested State agencies for comments concerning the proposal's
consistency with the North Carolina Coastal Management Program.
Please indicate your viewpoint on the proposal and return this
form to me before 03/08/90.
Sj'hen-
Consistency rely
SB. BCoordinator
REPLY This office objects to the project as proposed.
Comments on this project are attached.
This office supports the project proposal.
No Comment.
Signed
Date
Agency
P.O. Box 27687, Raleigh, North Carolina 27611-7687 Telephone 919-733-2293
An Equal Opportunity Affirmative Action Employer
Public Notice of Application for
Water Quality Certification
The North Carolina Division of Environmental Management of
the Department of Environment, Health and Natural Resources has
received an application from the U.S. Army, Corps of Engineers,
Wilmington-District, Wilmington, NC for a Water Quality
Certification pursuant to Section 401 of the Federal Clean Water
Act as amended. The act*Vity for which the Certification is
sought is the discharge,of dredged material onto the Atlantic
Ocean Beach from the Wrightsville Beach Restoration Project:in
New Hanover County.
The public is invited to comment on the impact of the
proposed project on water quality. A copy of the application may
be inspected at the Department's office in.Raleigh, Archdale
Building, 512 North Salisbury Street, Room 6107, or the
Wilmington Regional Office, 7225 Wrightsville Avenue, Wilmington,
NC, during normal work hours. Comments must be submitted in
writing no later than April 20, 1990. Any comments should be
addressed to the North Carolina Division of Environmental
Management, Water Quality Section, Post Office Box 27687,
Raleigh, North Carolina 27611. Any questions regarding the
application can be directed to Mr. William Mills at (919)
733-5083, Ext. 573.
?f l 9? George T. Everett, Director
DATE
N.C. Division of Environmental Management
?Gavn vld??
State of North Carolina
Department of Environment, Health, and Natural Resources
Division of Environmental Management
.512 North Salisbury Street • Raleigh, North Carolina 27611
James G. Martin, Governor /March 29, 1990 George T. Everett, Ph.D.
William W. Cobey, Jr., Secretary Director
Wilmington Star News
P.O. Box 840
Wilmington, NC 28401
Attention: Legal Ad Department
Please find attached a Public Notice regarding a Water
Quality Certification. Please publish the Notice one time in
your newspaper on or before April 5, 1990.
.The invoice in duplicate and three copies of the affidavit of
publication should be sent to:
North Carolina Division of Environmental Management
Water Quality Section
Post Office Box 27687
Raleigh, North Carolina 27611
Attention: William Mills
Payment cannot be authorized unless the affidavit of
publication is submitted. If you have any questions, please
contact me at (919) 733-5083.
Sincerely,
William C. Mills
Attachment
WCM/Jho
legal.ad/d-2
Pollution Prevention Pays
P.O. Box 27687, Raleigh, North Carolina 27611-7687 Telephone 919-733-7015
An Equal Opportunity Affirmative Action Employer
puM
State of North Carolina
Department of Environment, Health, and Natural Resources
Division of Environmental Management ";
.512 North Salisbury Street • Raleigh, North Carolina 27611
James G. Martin, Governor /March 29, 1990 George T. Everett, Ph.D.
William W. Cobey, Jr., Secretary Director
Wilmington Star News
P.O. Box 840
Wilmington, NC 28401
Attention: Legal Ad Department
Please find attached a Public Notice regarding a Water
Quality Certification Please publish the Notice one time in
your newspaper on or before April 5, 1990.
The invoice in duplicate and three copies of the affidavit of
publication should be sent to:
North Carolina Division of Environmental Management
Water Quality Section
Post Office Box 27687
Raleigh, North Carolina 27611
Attention: William Mills
Payment cannot be authorized unless the affidavit of
publication is submitted. If you have any questions, please
contact me at (919) 733-5083.
Sincerely,
William C. Mills
Attachment
WCM/jho
legal.ad/d-2
Pbllution Prevention Pays
P.O. Box 27687, Raleigh, North Carolina 27611-7687 Telephone 919-733-7015
An Equal Opportunity Affirmative Action Employer
4
DEPARTMENT OF THE ARMY
Wilmington District, Corps of Engineers
Post Office Box 1890
Wilmington, North Carolina 28402-1890
PUBLIC NOTICE
AND
WRIGHTSVILLE BEACH, NORTH CAROLINA, RENOURISHMENT PROJECT
CESAW-PD-E-90-65-0009
TO WHOM IT MAY CONCERN:
February 1, 1990
THE WILMINGTON DISTRICT, CORPS OF ENGINEERS, Wilmington, North Carolina,
is preparing to renourish Wrightsville Beach, New Hanover County, North
Carolina.
PROJECT DESCRIPTION
Renourishment of Wrightsville Beach is scheduled to be performed in the
late spring and early summer 1990. Approximately 580,000 cubic yards of sandy
material will be placed on the beach between stations 70+00 and 160+00 as
shown on plates 1 and 2. The Masonboro Inlet and Banks Channel sediment
trap/borrow areas will again be used for the 1990 renourishment. The borrow
areas have been expanded to include an area approximately 1,250 feet long by
875 feet wide at the confluence of Banks Channel and the Masonboro Inlet
Channel and an area approximately 600 feet long by 600 feet wide at the
eastern end of the Masonboro Inlet Channel. The total borrow area is shown on
plate 3. The material within the, sediment trap/borrow areas consists of high
quality beach sand which enters the system from Masonboro Inlet and is
suitable for placement on the beach. The work will be accomplished by the use
of a hydraulic pipeline dredge selected by competitive bidding. No related
dredging and beach disposal conducted by others is anticipated.
The discharge of fill material on Wrightsville Beach is covered under
Water Quality Certification Nos. 1393, issued on April 30, 1980, and 1393-R,
issued on September 30, 1980. The Section 404(b)(1) Evaluation and Findings
of Compliance for the project were completed and signed on March 28, 1980, as
amended on August 7, 1980, and October 4, 1982. The expansion of the borrow
areas,'shown on plate 3, does not alter the findings in the Section 404(b)(1)
Evaluation Report and Finding of Compliance.
The proposed action is discussed in the Environmental Assessment and
Finding of No Significant Impact (EA/FONSI) for the Continued Federal
Participation in the Wrightsville Beach Shore and Hurricane Wave Protection
Project, New Hanover County, North Carolina, which is included in the
Feasibility Report dated September 1982, and in the Supplement to the
EA/FONSI, signed on August 22, 1989, which is contained in the Wrightsville
Beach, North Carolina, Renourishment Report dated September 1989.
A copy of the Supplement to the EA/FONSI which was signed on August 22,
1989, may be obtained by writing to Ms. Trudy Wilder, Environmental Resources
Branch, Wilmington District, Post Office Box 1890, Wilmington, North Carolina
28402-1890.
The proposed action is within the 100-year flood plain and has been
evaluated for adherence to the requirements of Executive Order 11988. The
action restores beaches and dunes and helps to minimize the impacts of floods
on human safety, health, and welfare. The only other alternative is no
action. In order to provide beach restoration for the authorized project, the
fill material must be located in the flood plain. The proposed project
conforms to applicable state and local flood plain protection standards.
The proposed action has been evaluated under Executive Order 11990,
Protection of Wetlands. The work will not require dredging or filling of any
wetlands. The discharge pipeline may cross wetlands to reach the disposal
site. Where the pipeline crosses wetlands, pipeline joints will be properly
sealed to provide protection against leakage. Any impacts to wetlands will be
minor and of short duration.
No impacts to endangered species are expected if beach disposal occurs
between November 16 and April 30. However, work to be performed between May 1
and November 15 could impact nesting loggerhead or green sea turtles, species
protected by the Endangered Species Act of 1973, as amended. If dredged
material is discharged on the beach during the turtle nesting season, daily
monitoring of sea turtle nesting efforts in the beach impact area and nest
relocation, as needed, will be performed in order to minimize potential
adverse impacts to these species. Also, the hatching success of all nests in
the project area will be monitored. This work has been coordinated with the
U.S. Fish and Wildlife Service and the N.C. Wildlife Resources Commission.
Formal consultation with the U.S. Fish and Wildlife Service has been completed
regarding the potential impacts of beach disposal on wintering piping plovers
and transient roseate terns and to allow replacement of fill material on the
beach during the sea turtle nesting season in 1990 and during future
renourishment events, if it becomes necessary. The biological opinion
received on December 21, 1989, states that the project will have no effect on
piping plovers and roseate terns and is not likely to jeopardize the continued
existence of the loggerhead and green sea turtles.
No impacts to known archaeological/historical resources will occur.
The proposed action is consistent with the approved Coastal Management
Program of the State of North Carolina (N.C. Division of Coastal Management
letter dated September 17, 1982). The Supplement to the EA/FONSI which was
signed on August 22, 1989, amended our consistency determination of July 28,
1982, to include the expansion of the sediment trap/borrow areas. A request
for concurrence/no:iconcurrence with our amendment has been sent to the N.C.
Division of Coastal Management (U.S. Army Corps of Engineers letter to State
Clearinghouse, August 23, 1989).
2
4
Attached is a list of Federal, State, and local agencies with whom this
activity is being coordinated.
The decision whether to perform this work will be based on an evaluation
of the probable impact, including cumulative impacts of the proposed activity
on the public interest. That decision will reflect the national concern for
both protection and utilization of important resources. The benefits which
reasonably may be expected to accrue from the proposal must be balanced
against its reasonably foreseeable detriments. All factors which may be
relevant to the proposal will be considered, including the cumulative effects
thereof; among those are conservation, economics, aesthetics, general values,
flood hazards, flood plain values, land use, navigation, shoreline erosion and
accretion, recreation, water supply and conservation, water quality, energy
needs, safety, food and fiber production, mineral needs, considerations of
property ownership, and in general, the needs and welfare of the people.
Any person who has an interest which may be affected by the disposal of
this dredged material may request a public hearing. The request must be
submitted in writing to the District Engineer within 30 days of the date of
this notice and must clearly set forth the interest which may be affected and
the manner in which the interest may be affected by this activity. In order
for such a request to be given appropriate consideration, it should be mailed
or delivered to the U.S. Army Engineer District, Wilmington, Post Office
Box 1890, Wilmington, North Carolina 28402-1890, in time to be received on or
before March 5, 1990. All correspondence should refer to the title, number,
and date of this notice. For further information, contact Ms. Trudy Wilder at
(919) 251-4581.
Thomas C. Suermann
Lieutenant Colonel,
Corps of Engineers
District Engineer
Attachments
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LIST OF FEDERAL, STATE, AND LOCAL AGENCIES
Chairman Board of County Commissioners
Postmasters
Mayors
Marine Science Council
Water Resources Research Institute
US Fish and Wildlife Service
Assistant US Attorney
US Geological Survey
National Marine Fisheries Service
US Coast Guard
Regional Director of the US Fish a
Regional Director of the National
Regional Shellfish Consultant
Office of Chief of Engineers
South Atlantic Division
nd Wildlife Service
Park Service
All United States Senators and Representatives
US Department of Health, Education and Welfare
for State of North Carolina
Regional Director, Environmental Protection Agency
Heritage Conservation and Recreation Service
NC State Clearinghouse and Information Center
SUPPLEMENT TO THE ENVIRONMENTAL ASSESSMENT
AND FINDING OF NO SIGNIFICANT IMPACT (EA/FONSI)
FOR THE
CONTINUED FEDERAL PARTICIPATION
IN THE
WRIGHTSVILLE BEACH SHORE AND HURRICANE WAVE PROTECTION PROJECT
NEW HANOVER COUNTY, NORTH CAROLINA
1. PURPOSE AND NEED FOR THE PROPOSED ACTION.
This document supplements the Environmental Assessment and Finding of No
Significant Impact (EA/FONSI) for. the Continued Federal Participation in the
Wrightsville Beach Shore and Hurricane Wave Protection Project, New Hanover
County, North Carolina, which is included in the Feasibility Report dated
September 1982. As a result of the feasibility report, the Wrightsville
Beach project was reauthorized by the Water Resources Development Act of 1986
(P.L. 99-662) to extend Federal cost sharing for beach nourishment for the
life of the project. The study area is shown on Figure 1.
The purpose of this supplement to the EA/FONSI is to assess the impacts
of expanding the Masonboro Inlet/Banks Channel sediment trap/borrow areas and
placing the material from these areas on Wrightsville-Beach. All other
impacts of the project are addressed in the EA/FONSI referenced in the
previous paragraph and will not be repeated herein.
Expanding the two sediment trap/borrow areas is necessary to increase the
amount of suitable borrow material available for renourishment of
Wrightsville Beach during the FY 90 renourishment event and during future
nourishment events.
2. PROPOSED ACTION.
The Masonboro Inlet and Banks Channel sediment trap/borrow areas will be
expanded to include an area approximately 1,250 feet long by 875 feet wide at
the confluence of Banks Channel and the Masonboro Inlet Channel and an area
approximately 600 feet long by 600 feet wide near the seaward end of the
Masonboro Inlet South Jetty as shown on Plate 3. The Banks Channel sediment
trap/borrow area, including the 1,250 foot by 875 foot expansion, is referred
to as Borrow Area B and is dredged to a depth of -30 feet mean-low-water
(mlw). The Masonboro Inlet sediment trap/borrow area is divided into two
sections, Borrow Areas A and A' and is dredged to a depth no greater than -20
feet mlw to avoid impacts to existing archeological/historical resources. °
The 600 foot by 600 foot expansion is located at the eastern end of Borrow
Area A'.
3. ENVIRONMENTAL EFFECTS.
The discussion concerning the environmental effects of the expansion of the
sediment trap/borrow areas on affected resources are the same as those
described in the previous-'y referenced EA/FONSI except as stated below:
a. Water Quality. The material within the sediment trap/borrow
areas consists of high quality beach sand which enters the system from
Masonboro Inlet and is suitable for placement on the beach. The discharge of
fill material on Wrightsville Beach is covered under water quality
certifications number 1393 issued April 30, 1980, and number 1393-R issued
September 30, 1980. The Section 404(b)(1) Evaluation Report and Finding of
Compliance for the project are included as Appendix G of the Feasibility
Report and EA/FONSI, dated September 1982. The expansion of the areas does
not alter the findings in the Section 404(b)(1) Evaluation Report and Finding
of Compliance. These documents will, therefore, not require revision.
b. Archeological/Historical Resources. The expansion of the
sediment trap/borrow areas has been reviewed for archeological/historic
concerns. The magnetic surveys of Masonboro Inlet, Masonboro Channel, and
Banks Channel, condLicted in the late 1970's, indicate that no effect to known
cultural resources will occur in the expansion areas, as long as the
Masonboro Inlet sediment trap/borrow areas are not dredged below -20 feet
mlw. A magnetic anomaly was identified in'Masonboro Inlet area at -25 feet
mlw. No cultural resources were identified in the Banks Channel sediment
trap/borrow area, Borrow Area B, during the survey.
c. Coastal Management Program. The expansion of the sediment
trap/borrow areas is consistent with the approved Coastal Management Program
of the State of North Carolina. This supplement revises the existing
consistency determination (Appendix F of the Feasibility Report and EA/FONSI,
1982) dated July 28, 1982. State concurrence was received on September 17,
1982.
d. Endangered Species. The expansion of the sediment trap/borrow
areas will not jeopardize endangered species 4r their critical habitat or
violate the protective measures for any marine sanctuaries. Reinitiation of
formal consultation with the U.S. Fish and Wildlife Service has been
requested to include the potential impacts of beach disposal on wintering
piping plovers and transient roseate terns, and to allow placement of fill
material on the beach during the sea turtle nesting season in 1990 and during
future renourishment events, if it becomes necessary.
2
4. COORDINATION.
Agencies Contacted. Representatives from the following agencies were
contacted regarding the proposed action:
U.S. Fish and Wildlife Service, Raleigh, North Carolina
Mayor, Town of Wrightsville Beach
Notice of Availability. A notice of the availability of the Supplement
to the EA/FONSI will be mailed to all concerned Federal, State, and local
agencies and the public.
5. FINDING OF NO SIGNIFICANT IMPACT.
The proposed expansion of the sediment trap/borrow areas will no-
significantly affect the quality of the human environment; therefore, an
environmental impact statement will not be prepared.
/L-b) ?1'
ence W. Sa nders
Chief, Plan Division
74/ Thomas C. S rmann
Lieutenant Colonel,
Corps of Engineers
District Engineer
DATE: DATE: ?S Z3 9
3
NORTH' CAROLINA STATE CLEARINGHOUSE
DEPARTMENT OF ADMINISTRATION
INTERGOVERNMENTAL REVIEW
REVIEW DISTRIBUTION
:PT OF AGRICULTURE
:PT OF CUL RESOURCES
:PT OF EHNR
:PT OF TRANSPORTATION
_F OF COAST MANAGEMENT-NR(;D-
:PT OF CCI:PS - NFP
FATE PLANNING REGION 0
3ROJECT
kPPL DEPT OF THE ARMY/WILM.
;FDA 00002
)ESC NOTICE OF AVAILABILITY
THE PROPOSED RENOURISH
(FYI )
ROSS-REFERENCE NUMBER
STATE NUMBER 90-E-0000-0611 IQ1 "1
H06 d
DATE RECEIVED 02 06 90D 02 06 90 +
STATE AGENCY RESPONSE DUE
LOCAL RESPONSE DUE
REVIEW CLUED
y ?C S'
!IMP AGTON MAL
" F- -.r..
DIST.
OF THE ENV. ASSESSMENT AND FONS I FOR
MENT OF WRIGHTSVILLE BEACH
REVIEW THE ATTACHED PROJECT. SUBMIT YOUR RESPONSE BY THE ABOVE INDICATED
HATE. IF ADDITIONAL REVIEW TIME IS NEEDED CONTACT THIS OFFICE.
AS A RESULT OF THIS REVIEW THE FOLLOWING IS SUBMITTED
( ) NO COMMENT
( ) COMMENTS ATTACHED
SIGNED BY
DATE
` FF31990
DEPARTMENT OF THE ARMY w
Wilmington District, Corps of Engineers_
Post Office Box 1890
Wilmington, North Carolina 28402-1890
PUBLIC NOTICE Y,
AND
NOTICE OF AVAILABILITY OF THE ENVIRONMENTAL ASSESSMENT EA
AND FINDING OF NO SIGNIFICANT IMPACT (FONSI)
WRIGHTSVILLE BEACH, NORTH CAROLINA. RENOURISHMENT PROJECT
CESAW-PD-E-90-65-0009 February 1, 1990
TO WHOM IT MAY CONCERN:
THE WILMINGTON DISTRICT, CORPS OF ENGINEERS, Wilmington, North Carolina,
is preparing to renourish Wrightsville Beach, New Hanover County, North
Carolina.
PROJECT DESCRIPTION
Renourishment of Wrightsville Beach is scheduled to be performed in the
late spring and early summer 1990. Approximately 580,000 cubic yards of sandy
material will be placed on the beach between stations 70+00 and 160+00 as
shown on plates 1 and 2. The Masonboro Inlet and Banks Channel sediment
trap/borrow areas will again be used for the 1990 renourishment. The borrow
areas have been expanded to include an area approximately 1,250 feet long by
875 feet wide at the confluence of Banks Channel and the Masonboro Inlet
Channel and an area approximately 600 feet long by 600 feet wide at the
eastern end of the Masonboro Inlet Channel. The total borrow area is shown on
plate 3. The material within the sediment trap/borrow areas consists of high
quality beach sand which enters the system from Masonboro Inlet and is
suitable for placement on the beach. The work will be accomplished by the use
of a hydraulic pipeline dredge selected by competitive bidding. No related
dredging and beach disposal conducted by others is anticipated.
The discharge of fill material on Wrightsville Beach is covered under
Water Quality Certification Nos. 1393, issued on April 30, 1980, and 1393-R,
issued on September 30, 1980. The Section 404(b)(1) Evaluation and Findings
of Compliance for the project were completed and signed on March 28, 1980, as
amended on August 7, 1980, and October 4, 1982. The expansion of the borrow
areas, shown on plate 3, does not alter the findings in the Section 404(b) (1)
Evaluation Report and Finding of Compliance.
The proposed action is discussed in the Environmental Assessment and
Finding of No Significant Impact (EA/FONSI) for the Continued Federal
Participation in the Wrightsville Beach Shore and Hurricane Wave Protection
Project, New Hanover County, North Carolina, which is included in the
Feasibility Report dated September 1982, and in the Supplement to the
EA/FONSI, signed on August 22, 1989, which is contained in the Wrightsville
Beach, North Carolina, Renourishment Report dated September 1989.
W
_1-1
F
V.
A copy of the Supplement to the EA/FONSI which was signed on August 22,
1989, may be obtained by writing to Ms. Trudy Wilder, Environmental Resources
Branch, Wilmington District, Post Office Box 1890, Wilmington, North Carolina
28402-1890.
The proposed action is within the 100-year flood plain and has been
evaluated for adherence to the requirements of Executive Order 11988. The
action restores beaches and dunes and helps to minimize the impacts of floods
on human safety, health, and welfare. The only other alternative is no
action. In order to provide beach restoration for the authorized project, the
fill material must be located in the flood plain. The proposed project
conforms to applicable state and local flood plain protection standards.
The proposed action has been evaluated under Executive Order 11990,
Protection of Wetlands. The work will not require dredging or filling of any
wetlands. The discharge pipeline may cross wetlands to reach the disposal
site. Where the pipeline crosses wetlands, pipeline joints will be properly
sealed to provide protection against leakage. Any impacts to wetlands will be
minor and of short duration.
No impacts to endangered species are expected if beach disposal occurs
between November 16 and April 30. However, work to be performed between May 1
and November 15 could impact nesting loggerhead or green sea turtles, species
protected by the Endangered Species Act of 1973, as amended. If dredged
material is discharged on the beach during the turtle nesting season, daily
monitoring of sea turtle nesting efforts in the beach impact area and nest
relocation, as needed, will be performed in order to minimize potential
adverse-impacts to these species. Also, the hatching success of all nests in
the project area will be monitored. This work has been coordinated with the
U.S. Fish and Wildlife Service and the N.C. Wildlife Resources Commission.
Formal consultation with the U.S. Fish and Wildlife Service has been completed
regarding the potential impacts of beach disposal on wintering piping plovers
and transient roseate terns and to allow replacement of fill material on the
beach during the sea turtle nesting season in 1990 and during future
renourishment events, if it becomes necessary. The biological opinion
received on December 21, 1989, states that the project will have no effect on
piping plovers and roseate terns and is not likely to jeopardize the continued
existence of the loggerhead and green sea turtles.
No impacts to known archaeological/historical resources will occur.
The proposed action is consistent with the approved Coastal Management
Program of the State of North Carolina (N.C. Division of Coastal Management
letter dated September 17, 1982). The Supplement to the EA/FONST which was
signed on August 22, 1989, amended our consistency determination of July 28,
1982, to include the expansion of the sediment trap/borrow areas. A request
for concurrence/nonconcurrence with our amendment has been sent to the N.C.
Division of Coastal Management (U.S. Army Corps of Engineers letter to State
Clearinghouse, August 23, 1989).
2
Attached is a list of Federal, State, and local agencies with whom this
activity is being coordinated.
The decision whether to perform this work will be based on an evaluation
of the probable impact, including cumulative impacts of the proposed activity
on the public interest. That decision will reflect the national concern for
both protection and utilization of important resources. The benefits which
reasonably may be expected to accrue from the proposal must be balanced
against its reasonably foreseeable detriments. All factors which may be
relevant to the proposal will be considered, including the cumulative effects
thereof; among those are conservation, economics, aesthetics, general values,
flood hazards, flood plain values, land use, navigation, shoreline erosion and
accretion, recreation, water supply and conservation, water quality, energy
needs, safety, food and fiber production, mineral needs, considerations of
property ownership, and in general, the needs and welfare of the people.
An person who has an interest which may be affected by the disposal of
this dredged material may request a public hearing. The re ue must e
su m e n wr ng to the District Enineer within 30 da s of the date of
t ce and must clearly set fortthe interest which may e a fec ed and
the manner in which the interest may be affected by this activity. In order
for such a request to be given appropriate consideration, it should be mailed
or delivered to the U.S. Army Engineer District, Wilmington, Post Office
Box 1890, Wilmington, North Carolina 28402-1890, in time to be received on or
before March 5, 1990. All correspondence should refer to the title, number,
and date of this notice. For further information, contact Ms. Trudy Wilder at
(919) 251-14581.
Thomas C. Suermann
Lieutenant Colonel,
Corps of Engineers
District Engineer
Attachments
3
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LIST OF FEDERAL, STATE, AND LOCAL AGENCIES
Chairman Board of County Commissioners
Postmasters
Mayors
Marine Science Council
Water Resources Research Institute
US Fish and Wildlife Service
Assistant US Attorney
US.Geological Survey
National Marine Fisheries Service
US Coast Guard
Regional Director of the US Fish and Wildlife Service
Regional Director of the National Park Service
Regional Shellfish Consultant
Office of Chief of Engineers
South Atlantic Division
All United States Senators and Representatives for
US Department of Health, Education and Welfare
Regional Director, Environmental Protection Agency
Heritage Conservation and Recreation Service
NC State Clearinghouse and Information Center
State of North Carolina
DEPARTMENT OF THE ARMY
Wilmington District, Corps of Engineers
Post Office Box 1890
Wilmington, North Carolina 28402-1890
PUBLIC NOTICE
AND
WRIGHTSVILLE BEACH, NORTH CAROLINA. RENOURISHMENT,PRODI:CT
?y
CESAW-PD-E-90-65-0009 February 1, 1990
TO WHOM IT MAY CONCERN:
THE WILMINGTON DISTRICT, CORPS OF ENGINEERS, Wilmingt ns,,,North Carolina;
is preparing to renourish Wrightsville Beach, New Hanover uvty;,_Nort.h'
Carolina. =i r
PROJECT DESCRIPTION
Renourishment of Wrightsville Beach is scheduled to be performed in the
late spring and early summer 1990. Approximately 580,000 cubic yards of sandy
material will be placed on the beach between stations 70+00 and 160+00 as
shown on plates 1 and 2. The Masonboro Inlet and Banks Channel sediment
trap/borrow areas will again be used for the 1990 renourishment. The borrow
areas have been expanded to include an area approximately 1,250 feet long by
875 feet wide at the confluence of Banks Channel and the Masonboro Inlet
Channel and an area approximately 600 feet long by 600 feet wide at the
eastern end of the Masonboro Inlet Channel. The total borrow area is shown on
plate 3. The material within the sediment trap/borrow areas consists of high
quality beach sand which enters the system from Masonboro Inlet and is
suitable for placement on the beach. The work will be accomplished by the use
of a hydraulic pipeline dredge selected by competitive bidding. No related
dredging and beach disposal conducted by others is anticipated.
The discharge of fill material on Wrightsville Beach is covered under
Water Quality Certification Nos. 1393, issued on April 30, 1980, and 1393-R,
issued on September 30, 1980. The Section 404(b)(1) Evaluation and Findings
of Compliance for the project were completed and signed on March 28, 1980, as
amended on August 7, 1980, and October 4, 1982. The expansion of the borrow
areas, shown on plate 3, does not alter the findings in the Section 404(b)(1)
Evaluation Report and Finding of Compliance.
The proposed action is discussed in the Environmental Assessment and
Finding of No Significant Impact (EA/FONSI) for the Continued Federal
Participation in the Wrightsville Beach Shore and Hurricane Wave Protection
Project, New Hanover County, North Carolina, which is included in the
Feasibility Report dated September 1982, and in the Supplement to the
EA/FONSI, signed on August 22, 1989, which is contained in the Wrightsville
Beach, North Carolina, Renourishment Report dated September 1989.
X541 1 r
A copy of the Supplement to the EA/FONSI
1989, may be obtained by writing to Ms. Trudy
Branch, Wilmington District, Post Office Box
28402-1890.
which was signed on August 22,
Wilder, Environmental Resources
1890, Wilmington, North Carolina
The proposed action is within the 100-year flood plain and has been
evaluated for adherence to the requirements of Executive Order 11988. The
action restores beaches and dunes and helps to minimize the impacts of floods
on human safety, health, and welfare. The only other alternative is no
action. In order to provide beach restoration for the authorized project, the
fill material must be located in the flood plain. The proposed project
conforms to applicable state and local flood plain protection standards.
The proposed action has been evaluated under Executive Order 11990,
Protection of Wetlands. The work will not require dredging or filling of any
wetlands. The discharge pipeline may cross wetlands to reach the disposal
site. Where the pipeline crosses wetlands, pipeline joints will be properly
sealed to provide protection against leakage. Any impacts to wetlands will be
minor and of short duration.
No impacts to endangered species are expected if beach disposal occurs
between November 16 and April 30. However, work to be performed between May 1
and November 15 could impact nesting loggerhead or green sea turtles, species
protected by the Endangered Species Act of 1973, as amended. If dredged
material is discharged on the beach during the turtle nesting season, daily
monitoring of sea turtle nesting efforts in the beach impact area and nest
relocation, as needed, will be performed in order to minimize potential
adverse impacts to these species. Also, the hatching success of all nests in
the project area will be monitored. This work has been coordinated with the
U.S. Fish and Wildlife Service and the N.C. Wildlife Resources Commission.
Formal consultation with the U.S. Fish and Wildlife Service has been completed
regarding the potential impacts of beach disposal on wintering piping plovers
and transient roseate terns and to allow replacement of fill material on the
beach during the sea turtle nesting season in 1990 and during future
renourishment events, if it becomes necessary. The biological opinion
received on December 21, 1989, states that the project will have no effect on
piping plovers and roseate terns and is not likely to jeopardize the continued
existence of the loggerhead and green sea turtles.
No impacts to known archaeological/historical resources will occur.
The proposed action is consistent with the approved Coastal Management
Program of the State of North Carolina (N.C. Division of Coastal Management
letter dated September 17, 1982). The Supplement to the EA/FONSI which was
signed on August 22, 1989, amended our consistency determination of July 28,
1982, to include the expansion of the sediment trap/borrow areas. A request
for concurrence/noneineurrence with our amendment has been sent to the N.C.
Division of Coastal Management (U.S. Army Corps of Engineers letter to State
Clearinghouse, August 23, 1989).
2
07 0% .a
Attached is a list of Federal, State, and local agencies with whom this
activity is being coordinated.
The decision whether to perform this work will be based on an evaluation
of the probable impact, including cumulative impacts of the proposed activity
on the public interest. That decision will reflect the national concern for
both protection and utilization of important resources. The benefits which
reasonably may be expected to accrue from the proposal must be balanced
against its reasonably foreseeable detriments. All factors which may be
relevant to the proposal will be considered, including the cumulative effects
thereof; among those are conservation, economics, aesthetics, general values,
flood hazards, flood plain values, land use, navigation, shoreline erosion and
accretion, recreation, water supply and conservation, water quality, energy
needs, safety, food and fiber production, mineral needs, considerations of
property ownership, and in general, the needs and welfare of the people.
Any person who has an interest which may be affected by the disposal of
this dredged material may request a public hearing. The request must be
submitted in writing to the District Engineer within 30 days of the date of
this notice and must clearly set forth the interest which may be affected and
the manner in which the interest may be affected by this activity. In order
for such a request to be given appropriate consideration, it should be mailed
or delivered to the U.S. Army Engineer District, Wilmington, Post Office
Box 1890, Wilmington, North Carolina 28402-1890, in time to be received on or
before March 5, 1990. All correspondence should refer to the title, number,
and date of this notice. For further information, contact Ms. Trudy Wilder at
(919) 251-4581.
Thomas C. Suermann
Lieutenant Colonel,
Corps of Engineers
District Engineer
Attachments
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LIST OF FEDERAL, STATE, AND LOCAL AGENCIES
Chairman Board of County Commissioners
Postmasters
Mayors
Harine Science Council
Water Resources Research Institute
US Fish and Wildlife Service
Assistant US Attorney
US Geological Survey
National Marine Fisheries Service
US Coast Guard
Regional Director of the US Fish and Wildlife Service
Regional Director of the National Park Service
Regional Shellfish Consultant
Office of Chief of Engineers
South Atlantic Division
All United States Senators and Representatives for State of North Carolina
US Department of Health, Education and Welfare
Regional Director, Environmental Protection Agency
Heritage Conservation and Recreation Service
NC State Clearinghouse and Information Center
,. 0-
DEPARTMENT OF THE ARMY
WILMINGTON DISTRICT, CORPS OF ENGINEERS
P.O. BOX 1890
WILMINGTON, NORTH CAROLINA 28402-1890
March 22, 1990
Yell
IN REPLY REFER TO D I? a
9 1ty?4 L"?
Planning Division.
JMAR 27 1990
ANIMSTRATRIVE SERVICES KOOK
Dr. George T. Evert;" Director
Division of Environmental Management
North Carolina Department of Environment,
Health, and Natural Resources
Post Office Box 27687
Raleigh, North Carolina 27611-7687
Dear Dr. Everett:
6e'.' 0?
___--
The purpose of this letter is to request amendment of Water
Quality Certification (WQC) Nos. 1393 issued on April 30, 1980,
and 1393-R issued on September 30, 1980. Certification No. 1393
allowed the discharge of dredged material for the Wrightsville
Beach Restoration Project which extended 14,000 feet from
Masonboro Inlet on the south to the location of the northern town
limit as it existed in 1965 (Station 70+00 to Station 140+00 on
the enclosed plates 1 and 2). Certification No. 1393-R modified
WQC No. 1393 to allow discharge of dredged material from the
14,000-foot mark (Station 140+00) of Wrightsville Beach to the
north approximately 2,000 feet (Station 160+00). The beach
renourishment limits have not changed since 1980; however, WQC
Nos. 1393 and 1393-R were written only for the work to be
performed in 1980, and the borrow sources for the renourishment
material have been expanded.
We request that WQC Nos. 1393 and 1393-R be amended to include
continued Federal participation in the Wrightsville Beach Shore
and Hurricane Wave Protection Project, New Hanover County, North
Carolina, and the discharge of dredged material from the expanded
sediment trap/borrow sites in Banks Channel and Masonboro Inlet
on Wrightsville Beach in any year that it may be required. To
facilitate your review of our request for amendment, I have
enclosed the following documents:
VW
_ a. Section 404(b)(1) (P.L. 95-217) Evaluation Report and
Findings of Compliance signed on October 4, 1982.
b. Public Notice CESAW-PD-E-90-65-0009, dated February 1, 1990.
c. Public Notice CESAW-PD-E-90-65-0012, dated March 15, 1990.
d. Wrightsville Beach, North Carolina Renourishment Report
and Supplement to the Environmental Assessment and Finding-of No
Significant Impact (EA/FONSI), dated September 1989.
e. Amendment to the Supplement to the EA/FONSI, prepared in
March 1990.
As we would like to begin renourishment in July 1990, we
would appreciate receiving the amendment prior to the scheduled
advertisement date of May 14, 1990.
If you have any questions regarding this matter or require
additional`'iuformation, please eall:Mrs. Trudy Wilder,
Environmental Resources Branch, at (919) 251-4581.
Sincerely,
Thomas C. Suermann
Lieutenant Colonel,
Corps of Engineers
District Engineer
Robert D. Volz
Enclosures Major, Corps of Engineers
acting District Engineer
Copy Furnished (with enclosures):
Mr. Bill Mills
Division of Environmental Management
North Carolina Department of Environment,
Health, and.Natural Resources
Post Office Box 27687
Raleigh, North Carolina 27611-7687
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SECTION 404(b) (PL 95-217) EVALUATION REPORT
CONTINUED FEDERAL PARTICIPATION
IN THE
WRIGHTSVILLE BEACH SHORE
AND HURRICANE WAVE PROTECTION
PROJECT
NEW HANOVER COUNTY, NORTH CAROLINA
I. PROJECT DESCRIPTION
a. Location. Wrightsville Beach, New Hanover County, North Carolina.
b. Gegeral Description.
The authorized project consists of a dune with a landward toe at or near the
town building line, with a crown width of 25 feet at an elevation of 15 feet
above mean low water (MLW) and a 50-foot-wide berm at an elevation of 12
feet above MLW. The project extends 14,000 feet from Masonboro Inlet on the
south to the location of the northern town limit existing in 1965. Initial
construction included the closure of Moore Inlet, which previously separated
Wrightsville Beach from Shell Island to the north, and placement of advance
nourishment al.ong 2,700 feet of beach north of the authorized project
limit.
The current proposal. is to continue Federal participation in maintaining
this project, as original authorization provided for only 10 years of
Federal involvement after original project construction.
As erosion of the existing project is attributabl.e to two sources, natural
erosion (53.8%) and erosion caused by the jetties at Masonboro Inlet
(46.2%), the costs of maintaining the project will be divided accordingly.
The Federal Government will bear 100% of the project maintenance costs
attributable to erosion induced by the navigation project at Masonboro
Inlet, while the project maintenance costs associated with natural erosion
will be cost shared with the local project sponsor (Town of Wrightsville
Beach) according to terms laid out in the authorizing document (50% Federal,
50% local).
Erosion of the shore and hurricane wave protection project at Wrightsville
Beach occurs at a rate of 130,000 cubic yards (cu. yds.) per year. Nourish-
ment of the project will occur once every two years; therefore, approximate-
ly 260,000 cu. yds. of sand will be placed with each nourishment event. In
order to avoid dredging and disposal during periods of high biological and
recreational activity, nourishment work will be performed during the
established dredging window (October through March).
Two borrow areas will be used to obtain the nourishment material. These
borrow areas were used previously during the reconstruction of the project
which occurred during the winter of 80/81. One area is located in Banks
Channel between Masonboro Inlet and Channel Marker 14. This site will be
G-1
. r
dredged to a plane of -30 feet mean low water (MLW) during maintenance
events. The other area is located in Masonboro Inlet. The Masonboro Inlet
site will only be dredged to a depth of -20 feet MLW in order to avoid
impacting submerged cultural resources. The boundaries of both of these
sites can be seen on plate 1.
Material excavated by the dredge in the borrow areas will be pumped through
a submerged pipeline in Banks Channel and, with the aid of a floating
booster station, transported to the beach. Short sand dikes will be used on
the beach to delay the return of the effluent to the ocean. This will aid
in the retention of sand and reduce the amount of turbidity introduced into
the surf zone. Bulldozers will be used for spreading and shaping the sand
placed on the beach.
C. Authority and Purpose.
Authorization of the existing Wrightsville Beach, NC, project was provided
by Public Law 84-874, 87th Congress, H. R. 13273 23 October 1962 (House
Document 511, 87th Congress, 2nd session).
The authority for this study is contained in a resolution of the Committee
on Public Works of the U.S. House of Representatives, dated 2 December 1970.
The resolution was initiated by Congressman Alton Lennon, and requested the
Secretary of the Army to direct the Office of the Chief of Engineers to make
a survey of "Wrightsville Beach, North Carolina, and adjacent beaches in the
interest of beach erosion control, hurricane protection and related
purposes, including oceanic and lagoonal shores and interconnected tidal
channels."
d. General Description of Dredged or Fill Material.
(1) General Characteristics of Material: The material to be
discharged is predominantly sand, with minor amounts of shell fragments and
silt and/or clay.
(2) Quantity of Material: Approximately 260,000 cubic yards of
material will be discharged during 'each maintenance event.
(3) Source of Material: The material proposed for discharge is
naturally occurring sands which have been deposited in Banks Channel and
Masonboro Inlet.
e. Description of the Proposed Discharge Site.
(1) Location: The location of the discharge site is shown on
figure 1.
(2) Size: The discharge area extends northward from Masonboro
Inlet 16,700 feet (14,000 feet project length,.,,;,,,,700 feet transition).
f"
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%
(3) Type of Site: The discharge will be on the beach at
Wrightsville Beach, NC.
(4) Type of Habitat: Beachfront and nearshore ocean habitat will
be affected.
* (5) Timing and Duration of Discharge: Discharge will occur
approximately once every two years for the project life. The discharges
will occur between 1 October and 31 March.
f. Description of Disposal Method. Sand will be pumped from the borrow
sites and discharged onto the beach by a pipeline dredge. Short sand dikes
will be used on the beach to delay the return of the effluent to the ocean.
Bulldozers will be used for spreading and shaping the sand placed on the
beach.
II. FACTUAL DETERMINATIONS
a. Physical Substrate Determinations.
(1) Substrate Elevation and Slope: All of the discharged material
will be placed on the beach and will decrease the bathymetry of the area.
(2) Sediment Type: Material placed on the beach will be similar to
that which is covered.
(3) Dredged/Fill Material Movement: Material placed on the beach
will be subject to normal wave action and will undergo substantial movement.
(4) Physical Effects on Benthos: Benthic populations on the beach
will be disrupted by the discharge. Populations should reestablish quickly
as the new substrate will be similar in nature to that which existed prior
to the discharge.
(5) Other Effects: Not applicable.
(6) Actions Taken to Minimize Impacts: None.
b. Water Circulation, Fluctuation, and Salinity Determinations.
(1) Water:
(a) Salinity. No effect.
(b) Water chemistry. No effect.
(c) Clarity. Some turbidity may result from deposition of
sand; however, due to the coarseness of the material, this effect is
expected to be limited.
*If beach renourishment occurs after May 1 of any year, a sea turtle monitoring
program will be enforced.
3
G-3
I -P
(d) Color. No effect.
(e) Odor. Not applicable.
(f) Taste. Not applicable,
(g) Dissolved Gas Levels. Not applicable.
(h) Nutrients. No effect.
(i) Eutrophication, No effect.
(j) Others as Appropriate. Not applicable.
(2) Current Patterns and Circulation:
(a) Current Patterns and Flow. No effect.
(b) Velocity. No effect.
(c) Stratification. No effect.
(d) Hydrologic Regime. No effect.
(3) Normal Water Level Fluctuations: No effect.
(4) Salinity Gradients: No effect.
(S) Actions That Will Be Taken to Minimize Impacts: None.
c. Suspended Particulate/Turbidity Determinations.
(1) Expected Changes in Suspended Particulates and Turbidity Levels
in Vicinity of Disposal Site: Little turbidity should be associated with
project maintenance as the disposal material will be principally coarse sand
taken from Masonboro Inlet and Banks Channel. Previous nourishment events
using materials from this location have not produced significant turbidity
levels.
Column:
(2) Effects on Chemical and Physical Properties of the Water
(a) Light penetration. Reduction in light penetration should
be slight as turbidity levels are expected to be low.
(b) Dissolved Oxygen. No significant effect.
(c) Toxic Metals and Organics. Not applicable.
(d) Pathogens. Not applicable.
A-
4
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e
41,
(e) Esthetics. Turbidity will not be of sufficient magnitude
to detract from the esthetics of the area.
(f) Other. Not applilcable.
(3) Effects on Biota:
(a) Primary production, photosynthesis. Effects should be
slight, as turbidity levels will be low.
(b) Suspension/filter feeders. Deposition of sands will
disturb sedentary organisms occurring in the disposal site. Effects of
'turbidity are expected to be slight.
(c) Sight feeders. Turbidity is not expected to be serious
enough.to significantly affect sight feeding organisms.
. (4) Actions Taken to Minimize Impacts: Short sand dikes will be
used.to delay the return of effluent to the surf zone.
d. Contaminant Determinations. Due to the coarseness of the material
to be disposed and the fact that it is from noncontaminated sources,
deposition will not introduce, relocate, or increase contaminants.
e. Aquatic Ecosystem and Organism Determinations.
(1) Effects on Plankton: Effects should be slight, as turbidity
levels will be low.
(2) Effects on Benthos: Benthic communities within the project
area will be disrupted with each nourishment event. Due to the similarity
of the fill material to that already occurring on the beach, reestablishment
of stable benthic communities should occur rapidly after each nourishment
-event.
(3) Effects on Nekton: No significant adverse impacts on nekton
are anticipated, as losses of benthic organisms will be temporary.
(4) Effects on Aquatic Food Web: Temporary disturbance of benthic
communities will disrupt energy flow from lower to higher trophic levels.
This impact. will be limited in scope and duration, and is not considered
significant.
(5) Effects on Special Aquatic Sites:
(a) Sanctuaries and refuges. Not applicable.
(b) Wetlands. No wetlands will be affected by the proposed
discharge.
5
G-5
V
(c) Mud flats. Not applicable.
(d) Vegetated shallows. Not applicable.
(e) Coral reefs. Not applicable.
(f) Riffle and pool communities. Not applicable.
*(6) Threatened and Endangered Species: A "no effect" determination
has been reached through the biological assessment process.
(7) Other Wildlife: Wildlife of the beachfront should be
unaffected.
(8) Actions to Minimize Impacts: None.
f. Proposed Disposal Site Determination.
(1) Mixing Zone Determination: The mixing zone will be minimal due
to the coarse and uncontaminated nature of the material to be deposited.
** (2),.Determination of Compliance with Applicable Water Quality
Standards: LA Section 401 Water Quality Certificate has been applied for
from the State of North Carolinas
(3) Potential Effects on Human Use Characteristics:
(a) Municipal and private water supply. No effect.
(b) Recreational and commercial fisheries. Fishing should be
unaffected by the project due to the minor affects on natural resources and
the timing of the disposal activities.
(c) Water related recreation. Recreation should be enhanced
by the project, as the existing heavily used beach will be kept from
eroding. Since disposal will be performed during the off-season (October
through March), direct impacts on beach goers will be limited.
(d) Esthetics. By maintaining the existing beach profile, the
high quality esthetics of the beach will be retained.
(e) Parks, national and historic monuments, national
seashores, wilderness areas, research sites, and similar preserves. Not
applicable.
g. Determination of Cumulative Effects on the Aquatic Ecosystem. The
project should not contribute to any adverse cumulative impacts, as it is
relatively isolated from other areas where beach construction activity has
occurred or will occur. Biennial disrumt on of beach invertebrate
macrofauna is not expected to have any significant long-term effects.
*"No effect" determination changed to "may effect," March 7, 1986, based
on possible impacts to nesting sea turtles.
**No records of Section 401 completion exist.
6
G-6
y.
h
h. Determination of Secondary Effects on the Aquatic Ecosystem.
secondary effects on the aquatic ecosystem are anticipated.
No
G-
7
FINDING OF COMPLIANCE
FOR
CONTINUED FEDERAL PARTICIPATION
IN THE
WRIGHTSVILLE BEACH SHORE
AND HURRICANE WAVE PROTECTION
PROJECT
NEW HANOVER COUNTY, NORTH CAROLINA
1. No significant adaptations of the guidelines were made relative to this
evaluation.
2. All alternatives, except
placement of fill material.
proposed continued Federal
feasible and environmentally
alternative to the proposed
on the aquatic ecosystem.
flood proofing and no action, would require the
Of all the alternatives considered, only the
participation in the project is economically
acceptable; therefore, there is no practicable
discharges which would have less adverse effect
3. A Section 401 Water Quality Certificate has been requested from the
State of North Carolina. Project construction will not violate the Toxic
Effluent Standards of Section 307 of the Clean Water Act.
4. Continued maintenance of the existing project will not harm any
endangered species or their critical habitat or violate the protective
measures for any marine sanctuaries.
5. The proposed placement of fill material will not result in significant
adverse effects on human health and welfare, including municipal and private
water supplies, recreational and commercial fishing, plankton, fish,
shellfish, wildlife, and special aquatic sites. The life stages of aquatic
and other wildlife will not be adversely affected. Significant adverse
effects on aquatic ecosystem diversity, productivity and stability, and
recreational, esthetic, and economic values will not occur.
6. Appropriate steps to minimize potential adverse impacts of the discharge
on aquatic systems include timing the nourishment actions to occur during
periods of low biological activity and using short sand dikes on the beach
to maximize retention of effluent.
7. On the basis of this analysis, the proposed fill si.te is specified as
complying with the requirements of the guidelines.
ROBERT K. HUGHES
Colonel, Corps of Engineers
District Engineer
8114-14
4 October 1982
G-8
DEPARTMENT OF THE ARMY
Wilmington District, Corps of Engineers
Post Office Box 1890
Wilmington, North Carolina 28402-1890
PUBLIC NOTICE
AND
NOTICE OF AVAILABILITY OF THE ENVIRONMENTAL ASSESSMENT (EA)
AND FINDING OF NO SIGNIFICANT IMPACT (FONSI)
WRIGHTSVILLE BEACH, NORTH CAROLINA, RENOORISHMENT PROJECT
CESAW-PD-E-90-65-0009
TO WHOM IT MAY CONCERN:
February 1, 1990
THE WILMINGTON DISTRICT, CORPS OF ENGINEERS, Wilmington, North Carolina,
is preparing to renourish Wrightsville Beach, New Hanover County, North
Carolina.
PROJECT DESCRIPTION
Renourishment of Wrightsville Beach is scheduled to be performed in the
late spring and early summer 1990. Approximately 580,000 cubic yards of sandy
material will be placed on the beach between stations 70+00 and 160+00 as
shown on plates 1 and 2. The Masonboro Inlet and Banks Channel sediment
trap/borrow areas will again be used for the 1990 renourishment. The borrow
areas have been expanded to include an area approximately 1,250 feet long by
875 feet wide at the confluence of Banks Channel and the Masonboro Inlet
Channel and an area approximately 600 feet long by 600 feet wide at the
eastern end of the Masonboro Inlet Channel. The total borrow area is shown on
plate 3. The material within the sediment trap/borrow areas consists of high
quality beach sand which enters the system from Masonboro Inlet and is
suitable for placement on the beach. The work will be accomplished by the use
of a hydraulic pipeline dredge selected by competitive bidding. No related
dredging and beach disposal conducted by others is anticipated.
The discharge of fill material on Wrightsville Beach is covered under
Water Quality Certification Nos. 1393, issued on April 30, 1980, and 1393-R,
issued on September 30, 1980. The Section 404(b)(1) Evaluation and Findings
of Compliance for the project were completed and signed on March 28, 1980, as
amended on August 7, 1980, and October 4, 1982. The expansion of the borrow
areas, shown on plate 3, does not alter the findings in the Section 404(b)(1)
Evaluation Report and Finding of Compliance.
The proposed action is discussed in the Environmental Assessment and
Finding of No Significant Impact (A/FONSI) for the Continued Federal
Participation in the Wrightsville Beach Shore and Hurricane Wave Protection
Project, New Hanover County, North Carolina, which is included in the
Feasibility Report dated September 1982, and in the Supplement to the
EA/FONSI, signed on August 22, 1989, which is contained in the Wrightsville
Beach, North Carolina, Renourishment Report dated September 1989.
1r
A copy of the Supplement to the EA/FONSI which was signed on August 22,
1989, may be obtained by writing to Ms. Trudy Wilder, Environmental Resources
Branch, Wilmington District, Post Office Box 1890, Wilmington, North Carolina
28402-1890.
The proposed action is within the 100-year flood plain and has been
evaluated for adherence to the requirements of Executive Order 11988. The
action restores beaches and dunes and helps to minimize the impacts of floods
on human safety, health, and welfare. The only other alternative is no
action. In order to provide beach restoration for the authorized project, the
fill material must be located in the flood plain. The proposed project
conforms to applicable state and local flood plain protection standards.
The proposed action has been evaluated under Executive Order 11990,
Protection of Wetlands. The work will not require dredging or filling of any
wetlands. The discharge pipeline may cross wetlands to reach the disposal
site. Where the pipeline crosses wetlands, pipeline joints will be properly
sealed to provide protection against leakage. Any impacts to wetlands will be
minor and of short duration.
No impacts to endangered species are expected if beach disposal occurs
between November 16 and April 30. However, work to be performed between May 1
and November 15 could impact nesting loggerhead or green sea turtles, species
protected by the Endangered Species Act of 1973, as amended. If dredged
material is discharged on the beach during the turtle nesting season, daily
monitoring of sea turtle nesting efforts in the beach impact area and nest
relocation, as needed, will be performed in order to minimize potential
adverse impacts to these species. Also, the hatching.success of all nests in
the project area will be monitored. This work has been coordinated with the
U.S. Fish and Wildlife Service and the N.C. Wildlife Resources Commission.
Formal consultation with the U.S. Fish and Wildlife Service has been completed
regarding the potential impacts of beach disposal on wintering piping plovers
and transient roseate terns and to allow replacement of fill material on the
beach during the sea turtle nesting season in 1990 and during future
renourishment events, if it becomes necessary. The biological opinion
received on December 21, 1989, states that the project will have no effect on
piping plovers and roseate terns and is not likely to jeopardize the continued
existence of the loggerhead and green sea turtles.
No impacts to known archaeological/historical resources will occur.
The proposed action is consistent with the approved Coastal Management
Program of the State of North Carolina (N.C. Division of Coastal Management
letter dated September 17, 1982). The Supplement to the EA/FONSI which was
signed on August 22, 1989, amended our consistency determination of July 28,
1982, to include the expansion of the sediment trap/borrow areas. A request
for concurrence/nonconetTrence with our amendment has been sent to the N.C.
Division of Coastal Management (U.S. Army Corps of Engineers letter to State
Clearinghouse, August 23, 1989).
2
Attached is a list of Federal, State, and local agencies with whom this
activity is being coordinated.
The decision whether to perform this work will be based on an evaluation
of the probable impact, including cumulative impacts of the proposed activity
on the public interest. That decision will reflect the national concern for
both protection and utilization of important resources. The benefits which
reasonably may be expected to accrue from the proposal must be balanced
against its reasonably foreseeable detriments. All factors which may be
relevant to the proposal will be considered, including the cumulative effects
thereof; among those are conservation, economics, aesthetics, general values,
flood hazards, flood plain values, land use, navigation, shoreline erosion and
accretion, recreation, water supply and conservation, water quality, energy
needs, safety, food and fiber production, mineral needs, considerations of
property ownership, and in general, the needs and welfare of the people.
Any person who has.an interest which may be affected by the disposal of
this dredged material may request a public hearing. The request must be
submitted in writing to the District Engineer within 30 days of the date of
this notice and must clearly set forth the interest which may be affected and
the manner in which the interest may be affected by this activity. In order
for such a request to be given appropriate consideration, it should be mailed
or delivered to the U.S. Army Engineer District, Wilmington, Post Office
Box 1890, Wilmington, North Carolina 28402-1890, in time to be received on or
before March 5, 1990. All correspondence should refer to the title, number,
and date of this notice. For further information, contact Ms. Trudy Wilder at
(919) 251-4581.
Thomas C. Suermann
Lieutenant Colonel,
Corps of Engineers
District Engineer
Attachments
3
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LIST OF FEDERAL, STATE, AND LOCAL AGENCIES
Chairman Board of County Commissioners
Postmasters
Service
for State of North Carolina
Regional Director, Environmental Protection Agency
Heritage Conservation and Recreation Service
NC State Clearinghouse and Information Center
Mayors
Marine Science Council
Water Resources Research Institute
US Fish and Wildlife Service
Assistant US Attorney
US Geological Survey
National Marine Fisheries Service
US Coast Guard
Regional Director of the US Fish and Wildlife
Regional Director of the National Park Service
Regional Shellfish Consultant
Office of Chief of Engineers
South Atlantic Division
All.United States Senators and Representatives
US Department of Health, Education and Welfare
a:.
DEPARTMENT OF THE-ARMY
Wilmington District,-Corps of Engineers
Post Office Box 1890
Wilmington, North Carolina 28402-1890
PUBLIC NOTICE AMENDMENT
.AND
NOTICE OF AVAILABILITY OF THE AMENDMENT TO THE SUPPLEMENT
TO THE ENVIRONMENTAL ASSESSMENT (EA)
AND FINDING OF NO-SIGNIFICANT-IMPACT (FONSI)
WRIGHTSVILLE BEACH.-NORTH CAROLINA, RENOURISHMENT PROJECT
CESAW-PD-E-90-65-0012
March 15, 1990
TO WHOM IT MAY CONCERN:
Renourishment of Wrightsville Beach, New Hanover County, North Carolina
Public Notice CESAW-PD-E-90-65-0009 dated February 1, 1990, is amended as
follows:
PROJECT DESCRIPTION: Renourishment of Wrightsville Beach has been changed
as follows:
a. The work was scheduled to be performed in the late spring and early
summer months of 1990. Work is now scheduled to begin in the summer of 1990
and will require approximately 90 days to complete. The Renourishment Plan
is shown on the attached plates 1 and 2.
b. The Masonboro Inlet sediment trap/borrow area has been expanded to
include dredging an additional 1,800-foot-long by 600-foot-wide section of
Masonboro Inlet, which is located seaward of sediment trap/borrow area A'
(plate 3). The 1,800-foot-long by 600-foot-wide area in Masonboro Inlet
will be dredged to remove several shoals lying above the plane of -20 feet
mean-low-water (Navigational Survey, November 1989). The total quantity of
material to be placed on Wrightsville Beach in 1990 remains 580,000 cubic
yards.
Performing the project in the summer of 1990 will require monitoring of the
beach for sea turtles with possible nest relocation; therefore, a monitoring
and nest relocation program has been established for the project and has been
coordinated with the U.S. Fish and Wildlife Service and the N.C. Wildlife
Resources Commission.
The Supplement to the Environmental Assessment and Finding of No Significant
Impact (EA/FONSI) dated August 22, 1989, has been amended to include dredging
the 1,800-foot-long by 600-foot-wide area in Masonboro Inlet. The Supplement
AL
to the EA/FONSI and the amendment-are available to the public and may be
obtained by writing Ms. Trudy Wilder, Environmental Resources Branch,
Wilmington District, Corps of Engineers, Post Office Box 1890, Wilmington,
North Carolina 28402-1890.
The changes described herein are consistent with the approved Coastal
Management Program of the State of North Carolina.
Inclusion of dredged material from Masonboro Inlet in the discharge on
Wrightsville Beach for beach renourishment does not alter the findings in the
Section 404(b)(1) (P.L. 95-217) Evaluation Report and Findings of Compliance
prepared for the Continued Federal Participation in the Wrightsville Beach
Shore and Hurricane Wave Protection Project, New Hanover County, North
Carolina, signed on October 4, 1982.
A request to amend Section 401 Water Quality Certificate Nos. 1393, issued
on April 30, 1980, and 1393-R, issued on September 30, 1980, to include the
Continued Federal Participation in the Wrightsville Beach Shore and Hurricane
Wave Protection Project, New Hanover County, North Carolina, and the discharge
of material from the expanded sediment trap/borrow sites in Banks Channel and
Masonboro Inlet has been sent to the North Carolina Division of Environmental
Management.
The changes described herein will not impact known archaeological/historical
resources located within Masonboro Inlet, endangered species, or their
critical habitat.
Attached is a list of Federal, State, and local agencies with whom this
activity is being coordinated.
The decision whether to perform this work will be based on an evaluation of
the probable impact, including cumulative impacts of the proposed activity on
the public interest. That decision will reflect the national concern for both
protection and utilization of important resources. The benefits which
reasonably may be expected to accrue from the proposal must be balanced
against its reasonably foreseeable detriments. All factors which may be
relevant to the proposal will be considered, including the cumulative effects
thereof; among those are conservation, economics, aesthetics, general values,
flood hazards, flood plain values, land use, navigation, shoreline erosion and
accretion, recreation, water supply and conservation, water quality, energy
needs, safety, food and fiber production, mineral needs, considerations of
property ownership, and in general, the needs and welfare of the people.
Any person who has an interest which may be affected by the disposal of this
dredged material may request a public hearing. The request must be submitted
in writing to the District Engineer within 15 days of the date of this notice
and must clearly set forth the interest which may be affected and the manner
in which the interest may be affected by this activity.
2
In order to be given appropriate consideration, all comments should be mailed
or delivered to the U.S. Army Engineer District, Wilmington, Post Office Box
1890, Wilmington, North Carolina 28402-1890, in time to be received on or
before March 30, 1990. All correspondence should refer to the title, number,
and date of this notice. For further information, contact Ms. Trudy Wilder at
(919) 251-4581.
Amp- V+
Thomas C. Suermann
Lieutenant Colonel,
Corps of Engineers
District Engineer
Attachments
Robert D. Volz
Major. Corps of Engineers
Acting District Engineer
3
LIST OF FEDERAL, STATE, AND LOCAL AGENCIES
Chairman Board of County Commissioners
Postmasters
Mayors
Marine Science Council
Water Resources Research Institute
US Fish and Wildlife Service
Assistant US Attorney
US Geological Survey
National Marine Fisheries Service
+ US Coast Guard
Regional Director of the US Fish and Wildlife Service
Regional Director of the National Park Service
Regional Shellfish Consultant
Office of Chief of Engineers
South Atlantic Division
All United States Senators and Representatives for State of North Carolina
US Department of Health, Education and Welfare
Regional Director, Environmental Protection Agency
Heritage Conservation and Recreation Service
NC State Clearinghouse and Information Center
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WRIGHTSVILLE BEACH
NORTH CAROLINA
RENOURISHMENT REPORT
AND
SUPPLEMENT TO THE
ENVIRONMENTAL ASSESSMENT
AND
FINDING OF NO SIGNIFICANT IMPACT (EA/FONSI)
M1
k US Army Corps
of Engineers
% Wilmington District
e South Atlantic Division
at 1989
l
r
DEPARTMENT OF THE ARMY
WILMINGTON DISTRICT. CORPS OF ENGINEERS
P. O. BOX 1890
WILMINGTON. NORTH CAROLINA 28402
IN' REPLY REFER TO
WRIGHTSVILLE BEACH, NORTH CAROLINA
RENOURISHMENT REPORT
AND
SUPPLEMENT TO THE ENVIRONMENTAL ASSESSMENT
AND
FINDING OF NO SIGNIFICANT IMPACT (EA/FONSI)
WRIGHTSVILLE BEACH, NORTH CAROLINA
RENOURISHMENT REPORT
Table of Contents
Item
INTRODUCTION
PROJECT HISTORY
PROJECT PERFORMANCE
DESIGN FILL VOLUMES
CHANGES IN PHYSICAL BOUNDARY CONDITIONS
BEACH BEHAVIOR SINCE LAST RENOUTISHMENT
1990 RENOURISHMENT
FILL REQUIREMENT
BORROW AREAS
REAL ESTATE REQUIREMENTS
ENVIRONMENTAL RESOURCES CONSIDERATIONS
COST ESTIMATE FOR FY 90 RENOURISHMENT
FIRST COST AND ANNUAL COST OF THE WRIGHTSVILLE
GENERAL ASSUMPTIONS
EROSION CONTROL BENEFITS
FLOOD DAMAGE REDUCTION BENEFITS
RECREATION BENEFITS
.BENEFIT-COST SUMMARY
COST ALLOCATION
FUNDING REQUIREMENTS
RECOMMENDATIONS
List of Tables
Table No.
Subject
BEACH PROJECT
1 Wrightsville Beach, NC Nourishment History
2 Estimated 1990 Nourishment Requirement for
Wrightsville Beach
3 Project Cost Summary
4 Wrightsville Beach Shore and Hurricane Wave
Protection Project
5 Structure Damage Due to Progressive Erosion
6 Summary of Average Annual Benefits for
Continual Nourishment
7 Benefit-Cost Summary - Continued Maintenance of
the Wrightsville Beach Project, 50-Year Period
of Analysis.
Page No.
1,2
2,3
4
5
5 -7
7 -9
10
10
11-14
14,15
15,16
16
16-19
20
21
21
22
23
23,24
24
25
Page No.
4
11
17,18
19
21
22
23
i
WRIGHTSVILLE BEACH, NORTH CAROLINA
RENOURISHMENT REPORT
Table of Contents--Continued
List of Figures
Follows
Figure No. Subject Page No.
1 Study Area - Wrightsville Beach, NC and Vicinity 1
2 Wrightsville Beach Authorized Shore Protection
Project Profile 1
3 Wrightsville Beach Profile Adjustments 3
4 Design Fill Volume Profile and Construction Profile 5
5 Wrightsville Beach, March 1971 6
6 Performance of the 1986 Renourishment of
Wrightsville Beach - Volume of Fill Remaining 8
7 Typical Profile for Wrightsville Beach Project
Between Stations 80+00 and 110+00 9
8 Typical Profile for Wrightsville Beach Project
North of Station 110+00 9
List of Plates
Plate No. Subject
1 Renourishment Plan Fiscal Year 1990
2 Renourishment Plan Fiscal Year 1990
3 Sediment Trap/Borrow Areas - Masonboro Inlet
and Banks Channel
4 Masonboro Inlet and Banks Channel Scour and Fill -
After Dredging 1986 to September 1988
List of Appendixes
Appendix A--Local Cooperation Documentation
Supplement to Environmental Assessment and Finding of No Significant Impact
(EA/FONSI), Wrightsville Beach Shore and Hurricane Wave Protection Project,
New Hanover County, North Carolina
ii
WRIGHTSVILLE BEACH, NORTH CAROLINA
RENOURISHMENT REPORT
INTRODUCTION
The Wrightsville Beach Shore and Hurricane Wave Protection project was
originally authorized by Public Law 87-874 in 1962. The project covers
14,000 feet of ocean shoreline extending north from Masonboro Inlet and
consists of a beachfill shaped in the form of a 25-foot-wide dune at
elevation 15 feet above mean low water datum (MLW) fronted by a 50-foot-wide
storm berm at elevation 12 feet MLW. The equivalent elevations of the dune
and storm berm referenced to the National Geodetic Vertical Datum (NGVD) are
13.5 feet and 10.5 feet NGVD, respectively. The National Geodetic Vertical
Datum will be used throughout the remainder of this report. The project
limits and design cross section are shown on Figures 1 and 2, respectively.
The project was initially constructed in 1965; however, slope
adjustments and sorting losses from this initial fill during the first 2
years of project operation resulted in a substantial reduction in the degree
of protection provided by the fill. This design deficiency was corrected in
1970 with the restoration of the design cross section and placement of
sufficient quantities of material to account for fill adjustments.
Following the 1970 restoration, the project was declared officially
completed and was turned over to the Town of Wrightsville Beach.
Federal cost sharing for beach renourishment was authorized for a period
of 10 years following the completion of the initial construction. At the
end of this 10-year period, Federal interest was to be reevaluated to
determine if Federal cost sharing for beach renourishment should continue.
A reevaluation of the Wrightsville Beach project was made in September
1982 with the results provided in a report entitled "Feasibility Report and
Environmental Assessment on Shore and Hurricane Wave Protection,
Wrightsville Beach, North Carolina." As a result of this reevaluation, the
Wrightsville Beach project was reauthorized by the Water Resources
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Development Act of 1986 (PL 99-662) with the new authorization extending
Federal cost sharing for beach nourishment for the life of the project.
Also included in this new authorization was a provision for periodic beach
nourishment for Figure 8 Island, North Carolina, which lies just to the
north of Wrightsville Beach.
Figure 8 Island is an exclusive private island development that is not
open to the general public. Therefore, any fill placed on Figure 8 Island
would have to be accomplished without Federal financial assistance. At the
present time, there is no planned nourishment of Figure 8 Island that
involves the active participation of the Federal Government.
PROJECT HISTORY
The initial construction of the Wrightsville Beach project, which was
accomplished in 1965, involved the placement of 2,993,000 cubic yards of
material along the 14,000 lineal feet of project shoreline. Included in the
initial construction was the closure of a small tidal inlet known as Moore
Inlet which was located in the north boundary of the town.
Upon completion of the initial fill, construction of the north jetty at
Masonboro Inlet was begun. The north jetty, which was completed in July
1966, has a weir section nearshore which allows the predominant southbound
littoral drift to pass over and deposit in a deposition basin inside the
inlet. The deposited material is periodically removed and placed on both
Wrightsville Beach and Masonboro Island to mitigate jetty induced erosion.
The south jetty at Masonboro Inlet was completed in 1980.
The material to initially construct the Wrightsville Beach project was
obtained from Banks Channel, a narrow sound lying immediately behind
Wrightsville Beach (see Figure 1). The material was not entirely suited for
beachfill; consequently, the fill experienced some initial high rates of
erosion due to sorting and winnowing of the fines. In addition, slope
2
adjustments occurred that resulted in large quantities of the fill material
being moved downslope to deeper portions of the active beach profile. The
erosion of the upper portion of the fill profile that occurred with this
offshore movement was primarily due to the failure to place a sufficient
quantity of sand to nourish the entire active profile. At Wrightsville
Beach, the active profile extends to a depth of about 20 to 25 feet below
NGVD whereas the design slopes assumed for the fill closed in depths of
between 6 and 10 feet NGVD. An example of these initial fill adjustments is
given on Figure 3.
Between March and July 1966, Wrightsville Beach received an additional
319,000 cubic yards of fill as a result of the construction of a deposition
basin adjacent to the Masonboro Inlet north jetty. No additional fill was
placed on Wrightsville Beach until 1970 at which time 1,377,000 cubic yards
was placed along the northern 8,000 feet of the project to correct the
earlier design deficiency and replace material lost due to sorting and
winnowing. The material for this operation was obtained from the southern
end of Banks Channel near Masonboro Inlet and from the sound behind Shell
Island. The southern 6,000 feet of the project was and continues to be
stable as it is situated within the accretion fillet of the Masonboro Inlet
north jetty.
In April 1980, approximately 541,000 cubic yards of sand obtained from
the southern end of Banks Channel was placed along the northern 8,000 feet
of the project to replace sand lost as a result of Hurricane David, which
passed near the area in September 1979. However, this sand did not
completely restore the design cross section. The northern section of
Wrightsville Beach was completely restored between December 1980 and April
1981 with the placement of 1,250,000 cubic yards of sand obtained from
Masonboro Inlet. The latest nourishment occurred between April and June
1986 when about 900,000 cubic yards of sand removed from Masonboro Inlet in
connection with sand bypassing was placed along the northern portion of the
project. The nourishment history of the Wrightsville Beach project is given
in Table 1.
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PROJECT PERFORMANCE
The construction phase of the Wrightsville Beach project was completed
in August 1970 with the placement of 1,377,000 cubic yards of material along
the northern 8,000 feet of the project and a 2,000-foot-long transition
Table 1
Wrightsville Beach, NC
Nourishment History
Nourishment Borrow Area Covered Comment
Dates Volume (Cu Yds) Stations (ft)
18 Feb - 30 Jul 65 2,993,000 0+00 - 140+00(1) Initial Fill
23 Mar - 7 Jul 66 319,000 30+00 - 130+00 Masonboro Inlet
Deposition Basin
16 Mar - 22 May 70 1,377,000 60+00 - 140+00 Nourishment
31 Mar - 11 May 80 541,000 60+00 - 140+00 Emergency Repair
6 Dec - 11 Apr 81 1,250,000 60+00 - 140+00 Nourishment
10 Apr - Jun 86 900,000 60+00 - 140+00 Nourishment and
Sand Bypassing
(1) All.fills included a northern transition beyond the last station.
north of the northern limits of the project. The southern 6,000 feet, which
lies within the accretion fillet formed by the Masonboro Inlet north jetty,
is stable and does not require nourishment. The 1970 fill underwent an
initial period of adjustment which lasted from August 1970 (completion date
of the fill) to February 1972. During this period, approximately 438,000
cubic yards of the fill was lost as a result of sorting and winnowing.
Following these initial losses, the shoreline behavior became more uniform
although erosion losses were still greater than those which had been
predicted by the pre-project shoreline history. For example, the volumetric
rate of loss from the entire project during the August 1970 to December 1979
period, excluding sorting and winnowing losses, was determined to be 130,000
cubic yards/year whereas the pre-project losses were estimated to be 29,000
cubic yards/year.
4
The disparity between the erosion rate predicted by the pre-project
shoreline behavior and the rates actually experienced can be partially
explained by the change in the physical boundary conditions of Wrightsville
Beach following project construction. The major changes were the closure of
Moore Inlet and the stabilization of Masonboro Inlet. In addition, some of
the earlier problems with slope adjustments were corrected through the
placement of proper fill quantities. A brief discussion of these
performance factors follows.
Design fill volumes. The volume of fill required to initially construct
the Wrightsville Beach project was based on design fill slopes that were
relatively steep compared to existing profile slopes. This resulted in the
design profile intersecting the existing beach profile in relatively shallow
depths, as shown on Figure 3.
Quarterly monitoring surveys of the fill showed that wave action was
reshaping the fill with the newly formed slopes tending toward parallelism
with the pre-project slopes. These slope adjustments are also shown on
Figure 3. With this movement of material offshore, the upper or visible
portion of the project appeared to be eroding at a rapid rate. In order to
avoid a reoccurrence of this situation, design fill volumes are now computed
on the basis of moving the entire active profile seaward by the required
amount. This concept is shown on Figure 4. Since construction procedures
do not permit controlled placement of material in the deeper depths, the
fill material is placed in a construction berm, as shown on Figure 4, with
the distribution to the deeper depths accomplished by wave action. The
width of the construction berm depends on the fill quantity required and the
slope the material assumes during placement.
Changes in physical boundary conditions. The two actions that had the
greatest impact on the performance of the Wrightsville Beach project were
the closure of Moore Inlet and the construction of the north jetty at
Masonboro Inlet: These two man-made changes affected the project in the
following ways.
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Barrier islands in North Carolina have a characteristic concave seaward
shape between the bordering inlets. This concavity is the result of the
interruption of littoral sediment transport caused by tidal currents flowing
in and out of the inlets. These tidal currents trap sediment in an offshore
bar and the bar in turn causes waves to refract in such a manner so as to
drive sediment toward the inlet from both sides. Thus, with sediment moving
toward the bordering inlets most of the time, the middle of the islands
retreat and align themselves essentially parallel to the predominant
direction of incoming waves. Prior to the closure of Moore Inlet, Shell
Island had a concave shape between Masons Inlet on the north and Moore Inlet
on the south while Wrightsville Beach was concave between Moore and
Masonboro Inlets. The artificial closure of Moore Inlet connected the
shoreline of Shell Island with Wrightsville Beach, thus creating a convex
shoreline configuration between Masons Inlet and Masonboro Inlet. This
convexity is illustrated on Figure 5.
The anomalous shape of Wrightsville Beach results in wave energy being
concentrated along the bulge and wave breaker angles on the bulge transition
that vary from normal breaker angles. These conditions upset the normal
rates of sediment transport and cause increases in sediment transport away
from the bulge in both the north and south directions. Without continued
nourishment, the natural tendency would be for Wrightsville Beach to assume
a convex shape between Masons and Masonboro Inlets with the resulting
shoreline near the center of the island eventually moving several blocks
inland. Of the total 130,000 cubic yards/year deficit estimated for the
Wrightsville Beach project, 41,000 cubic yards/year was attributed to the
effects of the bulge. The analytical method used to ascribe the sediment
losses -to the shoreline bulge is presented in detail in the Wrightsville
Beach Feasibility Report cited previously.
The impact of the Masonboro Inlet stabilization project on Wrightsville
Beach was determined through deductive reasoning. Prior to the construction
of the north jetty, natural sediment bypassing apparently occurred at rather
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high rates across Masonboro Inlet. For example, the average sediment
transport rates for Wrightsville Beach are 770,000 cubic yards/year to the
south and 330,000 cubic yards/year to the north. Even with these rather
large quantities of sediment transport, the pre-project deficit on
Wrightsville Beach was only 29,000 cubic yards/year. This long term deficit
was due to losses associated with the gradual rise in sea level, offshore
losses during severe storms, and retention in the bordering inlets. Adding
this historic deficit to that created by the anomalous shoreline configura-
tions accounts for 70,000 cubic yards/year leaving 60,000 cubic yards/year,
or 46 percent, to be assigned to some other cause(s). Since no other factor
could be identified, the remaining 60,000 cubic yard/year deficit was
assigned to the Masonboro Inlet stabilization project as that project
completely eliminated natural sand bypassing. Due to the variability in
erosion losses during any given time period, the contribution to the erosion
losses attributable to the causative factors has been expressed in terms of
percentages of the total erosion. Accordingly, the Masonboro Inlet
navigation project is responsible for 46 percent of the erosion on
Wrightsville Beach with the remaining 54 percent assigned to the historical
deficit and that created by the bulge.
Beachfill behavior since last renourishment. The latest renourishment
of Wrightsville Beach was completed in July 1986 in conjunction with the
sand bypassing operation in Masonboro Inlet. A total of approximately
900,000 cubic yards of sand was removed from the sediment trap/borrow areas
in Masonboro Inlet, with the exception of the expansion areas, which are
shown on Plate 3, and placed along the project shoreline north of Station
70+00. Approximately 1.1 million cubic yards of sand was placed on
Masonboro Island during this same operation. With the expiration of Federal
participation in beach nourishment for Wrightsville Beach in FY 1980, the
cost of placing additional material on Wrightsville Beach over and above
that needed to mitigate the effects of the jetties was paid by non-Federal
interests. Thus, approximately 415,000 cubic yards was placed at Federal
expense to offset the erosive effects of the Masonboro Inlet jetties that
had occurred during the 6 years (1980-1986) since the completion of the
7
completion of the south jetty and 485,000 cubic yards placed at local
expense to make up fD r the other deficits.
The 900,000 cubic yards dredged in 1986 was measured in the borrow area
whereas beach profile surveys taken before and after the fill accounted for
763,400 cubic yards. The 18-percent difference between the borrow area
measure and the inplace fill measure could represent losses during placement
or simply measurement inaccuracies. In any event, the difference between
the two measures was small, reflecting the good quality of the borrow
material removed from the inlet. The good quality of the fill material was
expected as most of the material removed was beach sand that had deposited
in previously dredged sediment traps/borrow areas.
The time history of the amount of the 1986 fill remaining on the beach
is shown on Figure 6. As has been the case for all past nourishments, the
initial losses from the fill were relatively large but eventually moderated
after about one year. Some of the initial losses occur downslope as
evidenced by the more rapid rate of loss of material above 0 NGVD during the
first year versus the rate of loss below 0 NGVD as shown on Figure 6. Other
losses occur upcoast (north) and downcoast (south) outside the nourishment
limits. The fill volume remaining, as depicted on Figure 6, only covers the
section of the beach nourished in 1986, i.e., between Stations 70+00 and
160+00. Note that the nourished area includes a 1,000-foot southern
transition and a 2,000-foot northern transition. The material that moves
alongshore outside these nourishment limits provides some benefit to the
adjacent areas. In this instance, since the southern area is stable as a
result of the fillet created by the Masonboro Inlet north jetty, the major
benefactor has been the Shell Island shoreline. The Shell Island shoreline
has been stable to slightly accretionary since 1965 when nourishment of
Wrightsville Beach was initiated.
The Wrightsville Beach area was affected by two rather severe northeast
storms shortly after the completion of the 1986 nourishment operation. The
8
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first storm occurred on December 2, 1986, and the second on January 1, 1987.
These two storms produced surges of 2 to 3 feet and occurred when the
predicted astronomical tides were at their maximum for the year. The
so-called syzygy storms (due to the alignment of the earth, moon, and sun)
caused considerable structural damage along the southern end of Topsail
Beach, located north of Wrightsville Beach, and the west end of Long Beach
located in Brunswick county south of Wrightsville Beach. The only impact
that these two storms had on Wrightsville Beach was the hastening of the
slope adjustment of the fill as there were no apparent lasting or
detrimental effects.
Wrightsville Beach was also affected by a severe northeast storm during
the period 6 to 10 March 1989. The storm, which occurred during a period of
spring tides, produced water levels about 2 feet above normal. The high
water levels combined with the long duration of the storm caused significant
erosion all along the North Carolina coast north of Cape Fear. Particularly
hard hit was the area north of Oregon Inlet. The amount of erosion at
Wrightsville Beach caused by this storm could not be determined directly
since the prestorm survey was taken in October 1988. A poststorm survey was
made on 13 March 1989 which covered the area from the landward toe of the
dune seaward to the mean high water line. A comparison between the October
1988 and 13 March 1989 surveys indicated between 10 and 30 feet of dune
erosion with an average retreat of about 23 feet. Allowing for normal
recession that should have occurred between October 1988 and March 1989, the
March "northeaster" appears to have caused about 15 to 20 feet of dune
retreat.
The volume of material eroded from the upper profile was 70,000 cubic
yards between October 1988 and March 1989. Some of this material was
deposited offshore beyond the survey limits and will likely return to the
foreshore during the spring and summer months.
9
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1990 RENOURISHMENT PLAN
Fill requirement. At the present time, the fill along the major portion
of Wrightsville Beach is still in fair condition. The most critical area,
in terms of reduced storm protection lies between baseline Station 90+00 and
110+00 with some reduction in protection below the authorized level existing
north of Station 110+00. Typical profiles showing the existing condition of
the Wrightsville Beach project are given on Figures 7 and 8. The beach
south of Station 70+00 does not need any material as the existing beach
profile equals or exceeds the authorized design cross-section.
Renourishment of Wrightsville Beach should begin early in calendar year
1990, preferably no later than February 1, 1990, in order to avoid the sea
turtle nesting season which runs from May 1 to November 15. The projected
losses from the 1986 fill by February 1, 1990, are 580,000 cubic yards as
shown on Figure 6. The projected losses should cover the erosion caused by
the March 1989 "northeaster." Since the 1986 fill performed well, the fill
dimensions achieved in 1986 should be duplicated in 1990. Thus, the 1990
fill require- ments are projected to be 580,000 cubic yards inplace on the
beach.
The 580,000 cubic yard loss projected for the 1986 fill by February 1990
represents an approximate average erosion rate of 145,000 cubic yards/year.
This rate agrees well with the 130,000 cubic yard/year erosion rate that has
been used in long-term planning for the Wrightsville Beach project.
The plan layout for the 1990 renourishment and typical cross-section of
the fill are shown on Plates 1 and 2. The projected fill requirements
between each baseline station, expressed in terms of both the inplace fill
volume and borrow area measure, is given in Table 2. The borrow area
measure was assumed to be 20 percent greater than the inplace fill require-
ment based on actual experience with the 1981 and 1986 renourishments.
10
Table 2
Estimated 1990 Nourishment Requirement for Wrightsville Beach
Baseline In Place Fill Quantity Borrow Area Measure
Station Incremental Cumulative Incremental Cumulative
Volume Volume Volume Volume
Cy Cy Cy CY
70+00
17,400 17,400 20,880 20,880
80+00
72,500 89,900 87,000 107,880
90+00
104,400 194,300 125,280 233,160
100+00
87,000 281,300 104,400 337,560
110+00
81,200 362$00 97,440 435,000
120+00
87,000 449$00 104,400 539,400
130+00
75,400 524,900 90,480 629,880
140+00
43$00 568,400 52,200 682,080
150+00
11,600 580,000 13,920 696,000
160+00
Borrow areas. The Masonboro Inlet and Banks Channel se diment trap/
borrow areas used in the 1986 sand bypassing and renourishment operations,
as shown on Plate 3, will again be used for the 1990 renouri shment. The
borrow areas have been ex panded to include an area approximately 1,250 feet
long by 875 feet wide a t the confluence of Banks Channel and t he Masonboro
Inlet Channel and an area approximately 600 feet long by 600 f eet wide at
the eastern end of the Masonboro Inlet Channel. The total bo rrow area is
shown on Plat e 3. A supp lement to the Environmental Assessment and Finding
11
of No Significant Impact has been prepared for the expansion of the existing
sediment traps/borrow areas and is included in this report following
Appendix A. A scour and fill diagram of the sediment trap/borrow area which
covers the period from after dredging in 1986 to September 1988 (a period of
about 2 years) is shown on Plate 4.
The overall performance of the sediment trap during this 2-year period
was excellent as the trap had a net accumulation of 562,000 cubic yards.
This represents an average accumulation of 281,000 cubic yards/year which
agrees well with the predicted accumulation of 298,000 cubic yards/year
estimated in the September 1982 feasibility report.
There were two main areas of sediment accumulation between the jetties
and one major scour area. The scour area was due to the navigation channel
which has been self-maintaining since construction of the south jetty in
1986. The two fill areas are located on either side of the channel with the
north area having the largest accumulation. This northern area, designated
as Borrow Area A on Plate 3, trapped a total of 421,000 cubic yards of sand
during the 2-year period. The fill area on the south side, designated as
Borrow Area A', trapped 89,100 cubic yards. The amount of scour between the
jetties, which was caused primarily by the navigation channel, totaled
156,200 cubic yards, yielding a net accumulation between the jetties of
354,000 cubic yards.
The Banks Channel sediment trap, designated as Borrow Area B on Plate 3,
trapped a net volume of 208,000 cubic yards. Of this net accumulation,
263,000 cubic yards was fill and 55,000 cubic yards was scour. Over half of
the net accumulation occurred within 1,500 feet of the confluence of Banks
Channel and Masonboro Inlet.
All of the material deposited in the inlet during the 2-year period is
high quality beach sand, having entered the inlet primarily from
Wrightsville Beach by crossing over the north jetty weir or passing through
the large voids in the rubblemound portion of the north jetty. Very little,
12
if any, littoral material is able to enter Masonboro Inlet from the south
due to the concrete sheetpile core of the south jetty. Some material may
enter the inlet from Masonboro Island through aeolian process or possibly
around the seaward end of the structure. These two contributions are
believed to be relatively small.
The sediment traps in Masonboro Inlet and Banks Channel still have the
capacity to trap additional sand and will continue to do so up until the
time nourishment begins. With a continuation of the entrapment rate
experienced during the first 2 years, the projected net accumulation of new
sand between the jetties and in Banks Channel will be between 950,000 and
1,000,000 cubic yards.
The new sand that has accumulated and will accumulate in the trap areas
does not represent all of the material available from these borrow areas.
The borrow areas located between the jetties have environmental clearances
to be dredged to 20 feet below mean low water (MLW) whereas the Banks
Channel area is authorized to 30 feet below MLW. If these depths are
attained, approximately 638,000 cubic yards of sand would be available from
Borrow Area A and over 1,100,000 cubic yards available from Borrow Area B.
At the present time there are no plans to use Borrow Area A' due to the
narrow distribution of sediment which would require frequent movement of the
dredge and thus render this area more expensive to use compared to Areas A
and B.
In both the inlet and Banks Channel, previous dredging operations
associated with the Wrightsville Beach project and the Masonboro Inlet
navigation project have at one time or another deepened both areas to their
environmentally cleared limits. Therefore, the majority of the material
removed from the borrow areas down to these depths will be sand derived from
the adjacent beaches, and in this case, primarily Wrightsville Beach. Thus,
the compatibility ratio for the borrow material will be 1:1, i.e., the
borrow material is completely suitable for placement on the beach.
13
The 20-percent difference between the volume of material to be removed
from the borrow areas and that measured inplace on the beach, as given in
Table 2, does not represent an overfill factor to account for material
incompatibilities. Rather it is a measurement factor to assure that the
needed quantity of material is removed from the borrow area. If payment
were based on inplace measurement, the 20-percent factor would not be
required; however, past experience has shown that when inplace measurement
is used as a basis for contractor payment, the contractor will normally
inflate his bid by more than 20 percent to account for the uncontrolled
losses from the fill. Thus inplace measure usually costs more than payments
based on borrow area measure. Accordingly, the best method of constructing
the fill is to base contractor payment on measurements in the borrow area
and control the amount of material placed on the beach with before and after
beach profiles.
Real Estate Requirements. All of the necessary lands, easements, and
rights-of-way for the Wrightsville Beach project were in place prior to the
1965 initial construction phase. A town building line, located along the
ocean shoreline, was established in 1939. All land seaward of this building
line is owned by the Town of Wrightsville Beach. In 1967, the building line
was extended northward to include Shell Island, which had become attached to
Wrightsville Beach when Moore Inlet was closed.
During past nourishment operations, the dredge discharge pipeline has
been laid along the beach seaward of the town building line or floated in
Banks Channel to existing cross-island pipeline easements located at Bridger
Street (near Corps of Engineers baseline station 50+00), Chadbourn Street
(near baseline station 80+00), and Mallard Street (near baseline station
130+00). These existing pipeline easements are adequate for this and future
nourishment operations.
The borrow areas for the Wrightsville Beach project are located in State
owned submerged lands inside Masonboro Inlet and Banks Channel. The use of
14
these areas has previously been approved except for the expansion areas
discussed below; however, all the State and Federal environmental agencies
are notified prior to each nourishment operation. No real estate costs are
associated with the use of these borrow areas.
There will be no additional real estate requirements for Wrightsville
Beach associated with this or future nourishment operations as all of these
requirements have been satisfied as a result of previous renourishment
efforts.
Environmental resources considerations. A Feasibility Report and
Environmental Assessment and Finding of No Significant Impact (EA/FONSI) for
the Wrightsville Beach Shore and Hurricane Wave Protection Project, New
Hanover County, North Carolina, was prepared in September 1982. The
Feasibility Report and EA/FONSI covered all aspects of the project,
including the use of Masonboro Inlet and Banks Channel as sources of borrow
material. The impacts of expanding the sediment trap/borrow areas to those
shown on Plate 3 are discussed in the Supplement to the EA/FONSI attached to
this report. The expansion of the Masonboro Inlet borrow area will include
an area at the most western end which will be dredged to a depth no greater
than -20 feet MLW. Dredging throughout the Masonboro Inlet borrow area,
including the expansion area, is confined to 20 feet MLW to avoid impacts to
known archeological/historic resources. The expansion of the Banks Channel
borrow area will be dredged to a depth of -30 feet MLW. The expansion of
the borrow areas has been reviewed for archeological/historic concerns. The
magnetic surveys conducted in the late 1970's indicate that no effect to
known cultural resources will occur as long as the Masonboro Inlet borrow
areas are not dredged below -20 feet MLW.
The expansion of the borrow areas is consistent with the approved
Coastal Management Program of the State of North Carolina (N.C. Department
of Natural Resources and Community Development, Division of Coastal
Management letter, dated September 17, 1982). The Supplement to the
15
EA/FONSI amends the existing consistency determination to include the
expanded borrow areas. Placement of the material on Wrightsville Beach is
covered under Section 401 (P.L. 95-217) Water Quality Certifications number
1393 issued April 30, 1980, and number 1393-R issued September 30, 1980. A
Section 404(b)(1) Evaluation Report and Finding of Compliance for the
Wrightsville Beach Renourishment project was signed on October 4, 1982. The
expansion of the borrow areas does not alter the findings in the Section
404(b)(1) Evaluation Report and Finding of Compliance and it will,
therefore, not require revision. A public notice will be mailed to
interested and concerned agencies for information prior to onset of work.
Cost estimate for FY 90 renourishment. A summary of the estimated cost
of placing 580,000 cubic yards of sand on Wrightsville Beach is given in
Table 3. The material quantity given in the Detailed Cost Summary in Table
3, which is 696,000 cubic yards, is the estimated amount of material that
would have to be removed from the borrow areas in Masonboro Inlet and Banks
Channel in order to yield the required quantity of inplace sand. The
696,000 cubic yards of material would be obtained from Borrow Area A and
possibly a portion of Borrow Area B near the confluence of the inlet and
Banks Channel. The exact areas to be used for the 1990 renourishment will
depend on the distribution of additional littoral material that will enter
the inlet complex by the time the renourishment operation begins.
First cost and annual cost of the Wrightsville Beach project. Only 54
percent of the total cost of the FY 90 renourishment operation given in
Table 3 i.s associated with the Wrightsville Beach Shore and Hurricane Wave
Protection project with the remaining 46 percent allocated to sand bypass-
ing for the Masonboro Inlet navigation project. Thus, the first cost of
restoring the Wrightsville Beach project is $1,047,600.
16
Table 3
PROJECT COST SUMMARY
COST ESTIMATE
FY 90 RENOURISHMENT PROJECT
WRIGHTSVILLE BEACH, NORTH CAROLINA
FEBRUARY 1, 1989 PRICE LEVEL
12.-.-.- DREDGING
TOTAL DREDGING COST
30.-.-.- PLANNING, ENGINEERING AND DESIGN
31.-.-.- CONSTRUCTION MANAGEMENT
TOTAL PROJECT COSTS
17
Estimated Total
Cost Contingency Cost
-----------------------------.------
$1,526,000 $229,000 $1,755,000
-----------------------------------
$1,526,000 $229,000 $1,755,000
87,000 13,000 100,000
74,000 11,000 85,000
-----------------------------------
$1,687,000 $253,000 $1,940,000
WRRCiHRRN - WV I -Trr t i - n...[-nn
Table 3 (Continued)
Detailed Cost Summary
TOTAL
1000UIT BIT PROJECT
CODE ITEM QUWITY UNIT PRICE AMOUNT COITI1=CY COST
-------------------------------------------------------------------------------------------------------
12.-.-.- DREDGIIG
12.0.1.- Mobilization and Demobilization 1 JOB LS $350,000 $53,000 $403,000
12.0.2.B Pipeline Dredging 696,000 CY $1.69 1,176,000 176,000 1,352,000
------------------------------------
Subtotal, Dredging Costs: $1,526,000
12.0.Z.- Contingencies
12.-.-.- Dredging Total:
18
$229,000
11,755,000
MWOUDru WI-TCn
Renourishment of Wrightsville Beach is scheduled to be accomplished at
4-year intervals with each operation coinciding with sand bypassing at
Masonboro Inlet. The cost of future operations was assumed to be the same
as the FY 90 renourishment, i.e., a total nourishment cost of $1,940,000
with $1,047,600 assigned to the Wrightsville Beach project. The amount of
material to be placed during the FY 90 renourishment is equivalent to an
average annual amount of 145,000 cu yds/year. This annual rate of
nourishment is slightly greater than the 130,000 cu yd/year rate used in
previous estimates. In addition to the renourishment cost, local interest
will be required to continue to maintain the vegetative cover of the dune.
This will require fertilization and possibly some replanting to replace
diseased or damaged dune grasses. A summary of the project first cost,
including interest during construction, and average annual cost is provided
in Table 4 for interest rates of 8-5/8, 8-7/8, and 10 percent.
Table 4
Cost Summary
Wrightsville Beach Shore and Hurricane Wave Protection Project
Item
Interest Rate
8-5/8% 8-7/8% 10%
Project First Cost
FY 90 Renourishment
Interest During Construction
(3-month construction period)
Total Investment Cost
$1,047,600 $1,047,600 $1,047,600
7,600 7,800 8,700
$1,055,200 $1,055,400 $1,056,300
Annual Cost
Interest and Amortization
FY 90 Renourishment
Equivalent Average Annual
Cost of Future Renourishment
(performed once every 4 years)
Vegetative Maintenance
Total Average Annual Cost
$ 92,500 $ 95,000 $ 105,500
229,700 228,900 225,300
4,900 4,900 4,900
$ 327,100 $ 328,800 $ 335,700
19
PROJECT BENEFITS
General assumptions. The Economic impact of continued renourishment of
Wrightsville Beach for the life of the project was based on the same general
analysis contained in the 1982 Feasibility Report, but with certain date
changes to reflect developments that have taken place since the completion
of the Feasibility Report. The "without" project condition in the 1982
report assumed no additional nourishment would occur following the 1981
restoration except for that associated with sand bypassing at Masonboro
Inlet. Based on this assumption and an average erosion rate of 8.9 ft/year,
the shoreline north of baseline station 50+00 would erode to the pre-project
position by 2005 and the first structures would be lost to erosion by 2010.
The shoreline south of station 50+00 would not erode as it lies within the
stable accretion fillet of the Masonboro Inlet north jetty.
With the reconstruction of the Wrightsville Beach project in 1986, the
assumed time table in the 1982 report for the "without" project condition
had to be shifted 5 years using 1986 rather than 1981 as the base year after
which no beach nourishment would occur. Thus, erosion would now reach the
pre-project shoreline position in 2010 and the first structures would be
lost to erosion in 2015 if nourishment is not continued.
The 1982 report also assumed that for the "with" project condition, the
first restoration would occur in 1987 whereas the first renourishment is
presently scheduled for 1990. Thus, the recomputation of project benefits
used 1990 as the initial project year and extended over a 50-year period.
The 50-year economic period was chosen in order to be consistent with other
civil works projects even though the Water Resources Development Act of 1986
authorized renourishment for the "life" of the project. "Life" in this case
means as long as non-Federal interest continue to conform to the terms of
local cooperation.
20
Erosion control benefits. If the Wrightsville Beach project is not
periodically nourished, progressive erosion will encroach onto pre-project
lands by 2010 and begin causing damage to structures by 2015. The average
annual value of land loss that would occur between 2010 and 2040 for
interest rates of 8-5/8, 8-7/8, and 10 percent would be $179,700, $172,400,
and $142,700, respectively. In the 1982 report, the land loss benefits were
based on actual land values including the higher priced oceanfront lots. In
this reanalysis, the value of all future land losses without the project was
based on the average land value of second and third row lots. The value of
structures lost to progressive erosion for the year of the assumed loss is
given in Table 5.
Table 5
Structure Damage due to Progressive Erosion
Year of Loss Value of Structures Lost
2015 $1,800,400
2021 9,871,000
2027 22,134,000
2032 1,464,300
2035 2,021,200
The average annual value of the structure losses for interest rates of
8-5/8, 8-7/8, and 10 percent would be $185,600, 176,400, and 139,800,
respectively. All of the land losses and structure losses that would occur
due to the progressive erosion are preventable by continuing to periodically
nourish Wrightsville Beach.
Flood damage reduction benefits. Wrightsville Beach is essentially
fully developed with very few empty lots remaining on the island. Therefore,
when progressive erosion threatens existing structures, they would be
abandoned and eventually torn down as there is no practical place to
relocate. As a result of the structure losses that would be caused by
progressive erosion for the "without" project condition, preventable flood
21
damages in future years would decrease over time. The declining structure
base for the "without" project condition was taken into account in computing
the storm damage reduction benefits. Storm damage reduction benefits for
the three interest rates are given in Table 6.
Table 6
Summary of Average Annual Benefits
for
Continual Nourishment of Wrightsville Beach
Benefit Category Average Annual Benefits for Interest Rates of
8-5/8% 8-7/8% 10%
Erosion Control:
(a) Lands $179,700 $172,400 $142,700
(b) Structures 185,600 176,400 139,800
Flood Damage Reduction to
Structures 185,300 183,800 177,400
Increase in Value of
Residential Contents 19,500 19,300 18,300
Total Storm Damage Reduction
Benefits $570,100 $551,900 $478,200
Recreation 386,300 372,900 317,700
Total Average Annual
Benefits $956,400 $924,800 $795,900
Recreation benefits. Wrightsville Beach is open to the general public
on an equal basis. Public beach access points are provided all along the
beach at 250- to 500-foot intervals. The public beach access points are
essentially located at street ends with a walkway provided from the end of
the street across the dune to the beach strand. Parking on Wrightsville
Beach is limited with most parking spaces located along side streets.
Public parking lots are situated near the two fishing piers and at each end
of the island.
22
The recreation benefits presented in the 1982 Feasibility Report were
updated for new unit day values while the remainder of the analysis was not
changed. That is, the availability of parking spaces continues to limit
beach use. The updated recreational benefits for the three interest rates
are also given in Table 6. The recreational benefits for Wrightsville
Beach, which account for about 40 percent of the total benefits, are
incidental to the primary purpose of the project which is to reduce storm
damages. That is, no special features were added to the project to
accommodate recreation activities.
Benefit-cost summary. A summary of the benefits and costs for the
continued nourishment of the Wrightsville Beach project for the three
interest rates is given in Table 7.
Table 7
Benefit-Cost.Summary - Continued Maintenance
of the Wrightsville Beach Project
50-Year Period of Analysis
8-5 /8 % 8-7 /8 % 10%
Total Average Annual Benefits $956,400 $924,800 $795,900
Total Average Annual Costs 327,100 328,800 335,700
Benefit to Cost Ratio 2.9 2.8 2.4
Cost allocation. The Water Resources Development Act of 1986 (PL
99-662) changed the cost sharing on coastal protection projects by
eliminating a distinction between coastal erosion protection and storm
damage reduction. Prior to the enactment of PL 99-662, project purposes
were apportioned between erosion control and storm protection with the
erosion control portion cost shared 50 percent Federal - 50 percent
non-Federal while storm damage reduction features were split 75 percent
Federal - 25 percent non-Federal. Under the new cost sharing rules
established by PL 99-662, the Wrightsville Beach project is classified as a
23
storm damage reduction project since over 50 percent of the project benefits
are for storm protection. In the case of Wrightsville Beach, 60 percent of
the project benefits are for storm damage reduction while only 40 percent
are for recreation enhancement. Furthermore, the recreational benefits are
incidental to the project since no special features were added to
accommodate beach users. Thus, since Wrightsville Beach is open to the
general public and the primary purpose of the project is to reduce storm
damages with only incidental recreational benefits, the Wrightsville Beach
project qualifies for 65 percent Federal and 35 percent non-Federal cost
sharing as established by PL 99-662.
Funding requirements. The total cost for completed restoration of the
Wrightsville Beach project in 1990, including both Operation and Maintenance
funds for sand bypassing at Masonboro Inlet and Construction General funds
for project nourishment is $1,940,000. Forty-six percent of this total
cost, or $892,400, is allocated to the Masonboro Inlet project for sand by-
passing. Sand bypassing is a 100% Federal responsibility. The remaining
$1,047,600 of the nourishment cost is allocated to the Wrightsville Beach
project for which the Federal share would be $680,900 (65%) and the
non-Federal share $366,700 (35%).
24
RECOMMENDATIONS
I recommend that the Wrightsville Beach Shore and Hurricane Wave
Protection project should be fully restored to its authorized project
dimensions in accordance with the plans presented in this report. The full
restoration should be accomplished using a combination of Federal Operation
and Maintenance (0&M) funds for sand bypassing at Masonboro Inlet, Federal
Construction General funds, and non-Federal cash contributions. The
estimated Federal 0&M requirement for bypassing sand from Masonboro Inlet to
Wrightsville Beach is $892,400 while Federal Construction General funding
requirements amount to $680,900. The required non-Federal cash contribution
is presently estimated at $366,700.
7-1'a( THOMAS C. SUERMANN
LTC, Corps of Engineers
Commanding
25
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LEGEND U. S. ARMY ENGINEER DISTRICT. WILMINGTON
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A -? UNESTABLISHED BASELINE SURVEY POINTS (W) DEPENDENT ON SLOPE (N) wRIGHTSVILLE BEACH,N.C.
UNESTABLISHED BUILDING LINE POINTS THAT MATERIAL ASSUMES DURING RENOURISHMENT PLAN
v v -v FILL SLOPE PLACEMENT. FISCAL YEAR 1990
PROTOPLAN
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® WRIGHTSVILLE BEACH. N.C. AND VICINITY
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IASONBORO INLET AND
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APPENDIX A
Local Cooperation Documentation
Table of Contents
Item Page No.
Letter of Intent dated April 14, 1989 from the Town of Wrightsville A-1
Beach, N.C., supporting the project and agreeing to sign the Local
Cooperation Agreement.
Local Cooperation Agreement A-2
Town of Wrightsville Beach, Statement of Financial Capability and
Financing Plan for the Project A-24
Letter dated April 19, 1989 from N.C. Representative Alex M. Hall to
the Town of Wrightsville Beach supporting the project A-29
Reporting Officer's Assessment of the Non-Federal Sponsor's
Financial Capability A-30
a-i
9
4 S v I 1
zi = f"
TOWN OF WRIGHTSVILLE BEACH
MUNICIPAL COMPLEX 321 CAUSEWAY DRIVE • P.O. BOX 626
WRIGHTSVILLE BEACH, N.C. 28480 • 919-256-2245
April 14, 1989
Colonel Paul W. Woodbury
District Engineer
U.S. Army Corps of Engineers
P. 0. Box 1890
Wilmington, NC 28402
Dear Colonel Woodbury:
The Town of Wrightsville Beach strongly supports the continued
renourishment of the Wrightsville Beach Project.
The Town has reviewed a draft local cooperation agreement and will
provide comments on the agreement to the Wilmington District. We agree with
the basic concepts of the local cooperation agreement and are looking forward
to continuing our negotiations toward a final draft.
The Town intends to sign the local cooperation agreement for this
project, to provide funds for the non-federal cost of the project, and to
undertake the other responsibilities of the project sponsor as required by
federal law.
We look forward to continuing to work closely with the Wilmington
District on this project.
Sincerely yo rs,
Carlton G. Hall
Mayor
/plh
cc: Ron Fascher
Dale Ralston
;:? -I
LOCAL COOPERATION AGREEMENT
BETWEEN
THE DEPARTMENT OF THE ARMY
AND
THE TOWN OF WRIGHTSVILLE BEACH, NORTH CAROLINA
FOR BEACH EROSION CONTROL AND HURRICANE PROTECTION
AT
WRIGHTSVILLE BEACH, NORTH CAROLINA
THIS AGREEMENT, entered into this day of , 19_, by
and between the DEPARTMENT OF THE ARMY (hereinafter referred to as the
"Government"), acting by and through the Assistant Secretary of the Army (Civil
Works), and the TOWN OF WRIGHTSVILLE BEACH, NEW HANOVER COUNTY, NORTH CAROLINA
(hereinafter referred to as "the Town"), acting by-and through the Town Board
of Aldermen, Town of Wrightsville Beach, North Carolina.
WITNESSETH THAT:
WHEREAS, the Wrightsville Beach Erosion Control and Hurricane Protection
Project (hereinafter referred to as the "project") was authorized by Public Law
87-874, 87th Congress, House Resolution dated' 23 October 1962, with Federal
participation in beach nourishment authorized for the life of the project by
the Water Resources Development Act of 1986,,-Public Law 99-662; and
WHEREAS, a Report entitled "Wrightsville Beach, N.C.," dated March 1989,
and approved , is the basis for continued renourishment of
the project; and
WHEREAS, the Water Resources Development Act of 1986, Public Law 99-662,
specifies the cost sharing requirements applicable to the project; thus the
Town will be responsible for 35 percent of the beach renourishment costs
assigned to storm damage reduction and 100 percent of operation and maintenance
costs; and,
WHEREAS, the Town of Wrightsville Beach has the authority and capability
to furnish the cooperation hereinafter set forth and is willing to participate
in project cost-sharing and financing in accordance with the terms of this
Agreement;
NOW, THEREFORE, the parties agree as follows:
ARTICLE I - DEFINITIONS
For purposes of this Agreement: -
1. The term "project" shall mean the continued renourishment of a 14,000-foot
beach fill along Wrightsville Beach. Renourishment will be required every four
years.
/1- 3
2
`arm "total project costs" shall mean all costs incurred by the Town
and the Government directly related to renourishment (construction) of the
project. Such costs shall include, but not necessarily be limited to, actual
construction costs; costs of applicable engineering and design;
preconstruction, engineering and design costs incurred after October 1, 1985;
supervision and administration costs; costs of project construction contract
dispute settlements or awards; and the value of lands, easements, rights-of-
way, relocations and dredged material disposal areas provided for the project
by the Town; but shall not include any costs for betterments or operation and
maintenance or the value of lands necessary for public access and public
parking.
3. The term "total project storm damage reduction costs" shall mean that
portion of total project costs assigned to storm damage control purposes.
4. The term "total project beach renourishment costs" shall mean all costs
incurred by the Town and the Government directly related to renourishment
(construction) of the project. Such costs shall include, but not necessarily
be limited to, actual construction costs; costs of applicable engineering and
design; supervision and administration costs; costs of project construction
contract dispute settlements or awards; and the value of lands, easements,
rights-of-way, relocations and dredged material disposal areas provided for the
project by the Town; but shall not include any costs for betterments or
operation and maintenance or the value of lands necessary for public access and
public parking.
A-1
3
5. The term "period of construction" shall mean the time from the
advertisement of the first renourishment (construction) contract to the time of
acceptance of the project by the Contracting Officer.
6. The term "Contracting Officer" shall mean the District Engineer, U.S. Army
Engineer District, Wilmington, North Carolina, or his designee.
7. The term "highway" shall mean any highway, thoroughfare, roadway, street or
other public or private road or way.
ARTICLE II - OBLIGATIONS OF THE PARTIES
a. The Government, subject to and using funds provided by the Town and
funds appropriated by the Congress, shall expeditiously construct the project,
applying those procedures usually followed or applied in Federal projects,
pursuant to Federal laws, regulations and policies. The Town shall be afforded
the opportunity to review and comment on all contracts, including relevant
plans and specifications, prior to the issuance of invitations for bids. The
Town also shall be afforded the opportunity to review and comment on all
modifications and change orders prior to the issuance to the contractor of
Notice to Proceed. The Government will consider the views of the Town, but
award of the contracts and performance of the work thereunder shall be
exclusively within the control of the Government.
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4
b. When the Government determines that the project, or functional element
thereof, is complete, the Government shall turn the project or element over to
the Town, which shall accept the project or element and be solely responsible
for operating, maintaining, replacing and rehabilitating the project or element
in accordance with Article VIII hereof.
c. As further specified in Article III hereof, the Town shall provide all
lands, easements, rights-of-way and dredged material disposal areas, and
perform all relocations and alterations of buildings, utilities, highways,
railroads, bridges (other than railroad bridges), sewers and related and
special facilities determined by the Government to be necessary for
construction of the project.
d. If the value of the contributions provided under paragraph c of this
Article represents less than 35 percent of total storm damage reduction project
costs, the Town shall provide, during the period of construction, an additional
cash contribution in the amount necessary to make its total storm damage
reduction contribution equal to 35 percent of total storm damage reduction
project costs.
e. No less than once each year, the Town shall inform affected interests
of the limitations of the protection afforded by the project.
i)-(;
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f. The Town shall publicize floodplain information in the area concerned
and shall provide this information to zoning and other regulatory agencies for
their guidance and leadership in preventing unwise future development in the
floodplain and in adopting such regulations as may be necessary to prevent
unwise future development and to ensure compatibility with protection levels
provided by the project.
6
g. As required to realize the benefits upon which Federal participation
is based, as stated in the Wrightsville Beach Report of March 1989, the Town
shall provide and maintain clearly marked beach access, nearby parking areas,
and other public use facilities, open and available to all on equal terms.
h. The Town shall assure and continue to assure conditions of public
ownership and use of the shore upon which the amount of Federal participation
is based during the economic life of the project in accordance with the
existing law and based on shore ownership and use existing at the time of
construction.
1?-7
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i
ARTICLE III - LANDS, FACILITIES AND RELOCATION ASSISTANCE
a. Prior to the advertisement of any construction contract, the Town
shall furnish to the Government all lands, easements and rights-of-way,
including suitable borrow and dredged material disposal areas, as may be
determined by the Government to be necessary for construction and periodic
maintenance of the project, and shall furnish to the Government evidence
supporting the Town's legal authority to grant rights-of-entry to such lands.
b. The Town shall provide or pay to the Government the full cost of
providing all retaining dikes, wasteweirs, bulkheads and embankments, including
all monitoring features and stilling basins that may be required at any dredged
material disposal areas necessary for construction of the project.
c. Upon notification from the Government, the Town shall accomplish or
arrange for accomplishment, at no cost to the Government, of all alterations
and relocations of buildings, highways, railroads, bridges (other than railroad
bridges), storm drains, utilities, cemeteries and other facilities, structures
and improvements determined by the Government to be necessary for construction
of the project.
7
I
d. The Town shall comply with the applicable provisions of the Uniform
Relocations Assistance and Real Property Acquisition Policies Act of 1970,
Public Law 91-646, approved January 2, 1971, in acquiring lands, easements and
rights-of-way for construction and subsequent operation and maintenance of the
project, and inform all affected persons of applicable benefits, policies and
procedures in connection with said Act.
ARTICLE IV - VALUE OF LANDS AND FACILITIES
a. The value of the lands, easements and rights-of-way to be included in
total project costs and credited toward the Town's share of total project costs
will be determined in accordance with the following procedures:
(1) If the lands, easements and rights-of-way are owned by the Town as
of the date this Agreement is signed, the credit shall be the fair market value
of the interest at the time such interest is made available to the Government
for construction of the project. The fair market value shall be determined by
an appraisal, to be obtained by the Town, which has been prepared by an
independent and qualified appraiser who is acceptable to both the Town and the
Government. The appraisal shall be reviewed and approved by the Government.
A-7
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(2) if the lands, easements or rights-of-way are to be acquired by the
Town after the date this Agreement is signed, the credit shall be the fair
market value of the interest at the time such interest is made available to the
Government for construction of the project. The fair market value shall be
determined as specified in subparagraph 1 above. If the Town pays an amount in
excess of the appraised fair market value, it may be entitled to a
credit for the excess if the Town has secured prior written approval from the
Government of its offer to purchase such interest.
(3) If the Town acquires more lands, easements or rights-of-way than
are necessary for project purposes, as determined by the Government, then only
the value of such portions of those acquisitions as are necessary for project
purposes shall be included in total project costs and credited to the Town's
share.
(4) Credit for lands, easements and rights-of-way in the case of
involuntary acquisitions which occur within a one-year period preceding the
date this Agreement is signed, or which occur after the date this Agreement is
signed, will be based on court awards, or on stipulated settlements that have
received prior Government approval.
/"- 1D
9
(5) For lands, easements or rights-of-way acquired by the Town within
a five-year period preceding the date this Agreement is signed, or any time
after this Agreement is signed, credits provided under this paragraph will also
include the actual incidental costs of acquiring the interest; e.g., closing
and title costs, appraisal costs, survey costs, attorney's fees, plat maps and
mapping costs, as well as the actual amounts expended for any relocation
assistance provided in accordance with the obligations under this Agreement.
b. The costs of relocation or modifications of utilities or facilities
that will be included in total project costs and credited towards the Town's
share of total project costs shall be that portion of the actual costs incurred
by the Town as set forth below:
(1) Highways and Highway Bridges: Only that portion of the cost as
would be necessary to construct substitute bridges and highways to the design
standard that the State of North Carolina would use in constructing a new
bridge or highway under similar conditions of geography and traffic loads.
/4-//
10
(2) Utilities and Facilities (including Railroads): Actual relocation-
costs, less depreciation, less salvage value, plus the cost of removal, less
the cost of betterments. With respect to betterments, new materials shall not
be used in any relocation or alteration if materials of value and usability
equal to those in the existing facility are available or can be obtained as
salvage from the existing facility or otherwise, unless the provision of new
material is more economical. If, despite the availability of used material,
new material is used, where the use of such new material represents an
additional cost, such cost will not be included in total project costs.
ARTICLE V - CONSTRUCTION PHASING AND MANAGEMENT
a. To provide for consistent and effective communication between the Town
and the Government during the term of construction, the Town and the Government
shall appoint representatives to coordinate on scheduling, plans,
specifications, modifications, contract costs and other matters relating to
construction of the project.
b.. The representatives appointed above shall meet as necessary during the
term of project construction and shall make such recommendations as they deem
warranted to the Contracting Officer.
11
c. The Contracting Officer shall consider the recommendations of the
representatives in all matters relating to the project, but the Contracting
Officer, having ultimate responsiblity for construction of the project, has
complete discretion to accept, reject or modify the recommendations.
ARTICLE VI - METHOD OF PAYMENT
a. The Town shall provide, over the term of construction, the amounts
required under Article II.d of this Agreement. Total project costs are
presently estimated to be $1,047,600. In order to meet its share, the city
must provide a total cash contribution presently estimated to be $ 366,700.
b. The Town shall provide its required cash contribution in proportion to
the rate of Federal, expenditures over the term of the construction period in
accordance with the following provisions:
(1) For purpose of budget planning, the Government shall notify the
Town by August 1 of each year of the estimated funds that will be required from
the Town to meet its share of project costs for the corresponding Government
fiscal year.
/4--!3
12
t2) Sixty (60) days prior to the award of the first construction
contract, the Government shall notify the Town of its share of project costs,
including costs attributable to the project incurred prior to the intitiation
of construction, for the first fiscal year of construction. Within 30 days
thereafter, the Town shall provide the requisite amount to the Government in
cash by delivering a check payable to "FAO, USAED, Wilmington" to the
Contracting Officer, or verify to the satisfaction of the Government that it
has deposited the requisite amount in an escrow account acceptable to the
Government, with interest accruing to the town.
(3) For the second and subsequent Federal fiscal years of project
construction, the Government shall, 60 days prior to the beginning of the
fiscal year, notify the Town of its share of project costs for that fiscal
year. No later than 30 days prior to the beginning of the fiscal year, the
Town shall make the necessary funds available to the Government through the
funding mechanism specified above. As construction of the project proceeds,
the Government may adjust the amounts required to be provided under this
paragraph to reflect actual project costs.
(4) If at any time during the period of construction the Government
determines that additional funds will be needed from the Town to meet its
required share of project costs, the Government shall so notify the Town and
the Town, within 60 days from receipt of notice, shall make the necessary funds
available through the funding mechanism specified above.
13
1
c. The Government will draw on the funds or escrow account provided by
the Town such sums as it deems necessary to cover contractual and in-house
fiscal obligations attributable to the project as they are incurred, as well as
project costs incurred by the Government prior to the initiation of
construction.
d. Upon completion of the project and resolution of all relevant contract
claims and appeals, the Government shall compute the total project costs, and
tender to the Town a final accounting of its share of project costs. In the
event the total contribution by the Town is less than its minimum required
share of project costs at the time of the final accounting, the Town shall,
within 90 calendar days after receipt of written notice, make a cash payment to
the Government of whatever sum is required to meet its minimum required share
of project costs. In the event the Town has made cash contributions which
result in the Town's having provided more than its required share of project
costs, the Government shall within 90 days of the final accounting, subject to
the availability of appropriations, return said excess to the Town.
14
"TI - DISPUTES
Before any party to this Agreement may bring suit in any court concerning
an issue relating to this Agreement, such party must first seek in good faith
to resolve the issue through negotiation or other forms of nonbinding
alternative dispute resolution mutually acceptable to the parties.
ARTICLE VIII - OPERATION, MAINTENANCE, REHABILITATION, AND RENOURISHMENT
a. After it is turned over by the Government, the Town shall operate,
maintain, replace and rehabilitate the project, or functional element thereof,
in accordance with regulations or directions prescribed by the Government.
b. The Town hereby gives the Government a right to enter, at reasonable
times and in a reasonable manner, upon land which it owns or controls for
access to the project for the purpose of inspection; and, if necessary, for the
purpose of completing, operating, repairing, maintaining, replacing or
rehabilitating the project. If an inspection shows that the Town for any
reason is failing to fulfill its obligations under this Agreement without
receiving prior written approval from the Government, the Government will send
a written notice to the Town. If the Town persists in such failure for 30
calendar days after receipt of the notice, then the Government shall have a
i \ _/19 15
right to enter, at reasonable times and in a reasonable manner, upon the lands
the Town owns or controls for access to the project for the purpose of
completing, operating, repairing, maintaining, replacing, or rehabilitating the
project. No completion, operation, repair, maintenance, replacement, or
rehabilitation by the Government shall operate to relieve the Town of
responsibility to meet its obligations as set forth in this Agreement, or to
preclude the Government from pursuing any other remedy at law or equity to
assure faithful performance pursuant to this Agreement.
C. The Town and the Government will be responsible for periodic
renourishment currently estimated to be required every 4 years as referred to
in Article I. Future expenditures by the Government are subject to the
availability of funds.
ARTICLE IX - RELEASE OF CLAIMS
The Town shall hold and save the Government free from all damages arising
from the construction, operation and maintenance of the project, except for
damages due to the fault or negligence of the Government or its contractors.
16
ARTICLE X - MAINTENANCE OF RECORDS
The Government and the Town shall keep books, records, documents and other
evidence pertaining to costs and expenses incurred pursuant to this Agreement
to the extent and in such detail as will properly reflect total project costs.
The Government and the Town shall maintain such books, records, documents and
other evidence for a minimum of three years after completion of construction of
the project and resolution of all claims arising therefrom, and shall make
available at their offices at reasonable times such books, records, documents
and other evidence for inspection and audit by authorized representatives of
the parties to this Agreement.
ARTICLE XI - FEDERAL AND STATE LAWS
..In acting under its rights and obligations-hereunder, the Town agrees to
comply with all applicable Federal and state laws and regulations, including
Section 601 of Title VI of the Civil Rights Act of 1964 (Public Law 88-352) and
Department of Defense Directive 5500.11 issued pursuant thereto and published
in Part 300 of Title 32, Code of Federal Regulations, as well as Army
Regulation 600-7, entitled "Nondiscrimination on the Basis of Handicap in
Programs and Activities Assisted or Conducted by the Department of the Army."
k)' / R
17
ARTICLE XII - RELATIONSHIP OF PARTIES
The parties to this Agreement act in an independent capacity in the
performance of their respective functions under this Agreement, and neither
party is to be considered the officer, agent or employee of the other.
ARTICLE XIII - OFFICIALS NOT TO BENEFIT
No member of or delegate to the Congress or resident commissioner shall be
admitted to any share or part of this Agreement, or to any benefit that may
arise therefrom.
ARTICLE XIV - COVENANT AGAINST CONTINGENT FEES
The Town warrants that no person or selling agency has been employed or
retained to solicit or secure this Agreement upon agreement or understanding
for a commission, percentage, brokerage or contingent fee, excepting bona fide
employees or bona fide established commercial or selling agencies maintained by
the Town for the purpose of securing business. For breach or violation of this
warranty, the Government shall have the right to annul this Agreement without
liability, or, in its discretion, add to the Agreement or consideration, or
otherwise recover, the full amount of such commission, percentage, brokerage or
contingent fee.
17-/?
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ARTICLE XV - TERMINATION ORSUSPENSION
a. If at any time the Town fails to make the payments required under this
Agreement, the Government shall terminate or suspend work on the project until
the Town is no longer in arrears, unless the Government determines that
continuation of work on the project is in the interest of the United States.
Any delinquent payment shall be charged interest at a rate to be determined by
the Secretary of the Treasury equal to 150 per centum of the average bond
equivalent rate of the 13-week Treasury bills auctioned immediately prior to
the date on which such payment became delinquent, or auctioned immediately
prior to the beginning of the additional 3-month period if the period of
delinquency exceeds 3 months.
b. If the Government fails to receive annual appropriations in amounts
sufficient to meet project expenditures for the then-current or upcoming fiscal
year, the Government shall so notify the Town. After 60 days, either party may
elect without penalty to terminate this Agreement or to suspend performance
thereunder, and the parties shall conclude their activities relating to the
project and proceed to a final accounting in accordance with Article VI.
14- ZD
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ARTICLE XVI - NOTICES
a. All notices, requests, demands and other communications required or
permitted to be given under this Agreement shall be deemed to have been duly
given if in writing and delivered personally, given by prepaid telegram or
mailed by first-class (postage prepaid), registered or certified mail as
follows:
If to Town:
If to Government: District Engineer
U.S. Army Engineer District
P.O. Box 1890
Wilmington, NC 28402-1890
b. A party may change the address to which such communications are to be
directed by giving written notice to the other in the manner provided in this
section.
c. Any notice, request, demand or other communication made pursuant to
this Article shall be deemed to have been received by the addressee at such
time as it is personally delivered or on.the third business day after it is
mailed, as the case may be.
A-Z/
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ARTICLE XVII - CONFIDENTIALITY
To the extent permitted by the law governing each party, the parties agree
to maintain the confidentiality of exchanged information when requested to do
so by the providing party.
IN WITNESS WHEREOF, the parties hereto have executed this Agreement as of
the day and year first above written.
THE DEPARTMENT OF-THE ARMY
BY:
ROBERT W. PAGE
Assistant Secretary
of the Army (Civil Works)
TOWN OF WRIGHTSVILLE BEACH
BY
DATE: DATE:
Attest:
Date:
/4 - Z Z
21
i
CERTIFICATE OF AUTHORITY
I, do hereby certify that I am the Town Attorney,
Wrightsville Beach, North Carolina; that the Town of Wrightsville Beach is a
legally constituted public body with full authority and capability to perform
the terms of the Agreement between the Department of the Army and the Town of
Wrightsville Beach in connection with the Wrightsville Beach, N.C. Shore and
Hurricane Wave Protection Project, and to pay damages, if necessary, in event
of the failure to perform in accordance with Section 221 of Public Law 91-611
and that the person who has executed the contract on behalf of the Town of
Wrightsville Beach has acted within his statutory authority.
IN WITNESS WHEREOF, I have made and executed this certificate this
day of 19.
Town Attorney
Wrightsville Beach, North Carolina
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TOWN OF WRIGHTSVILLE BEACH
STATEMENT OF FINANCIAL CAPABILITY
AND FINANCING PLAN
BEACH EROSION CONTROL AND HURRICANE PROTECTION PROJECT
WRIGHTSVILLE BEACH, NORTH CAROLINA
STATEMENT OF FINANCIAL CAPABILITY
The Town of Wrightsville Beach (hereinafter referred to as the "the
Town"), as non-Federal sponsor of the Beach Erosion Control and Hurricane
Protection Project at Wrightsville Beach, N. C., is capable of meeting
cost sharing and other obligations as required under the terms of the
draft Local Cooperation Agreement. Through use of finance mechanisms
that are politically and institutionally plausible, the Town will be
prepared to meet the financial obligations of the project's non-Federal
sponsors.
FINANCING PLAN
Uses of funds. The Town will be responsible for 35 percent of the total
project costs. Included in the Town's share are all lands, easements,
rights-of-way, dredged material disposal areas, and relocations (LERRD)
determined by the Federal Government to be necessary for construction and
maintenance of the project; such LERRD must be furnished to the Federal
Government prior to the advertisement of any construction contract.
Construction is projected to begin early in calendar year 1990,
preferably no later than February 1. The construction period is
estimated to be three months. The estimated cost of the renourishment
assigned to the Wrightsville Beach project is $1,047,600, of which the
Town is responsible for approximately $366,700 cash, to be paid during
construction. Annual expenses to the Town for operation and maintenance
of the project (vegetative maintenance of the dune) are estimated to be
$4,900.
Sources of Funds. The Town has requested $200,000 from the State of
North Carolina (hereinafter referred to as "the State"). North Carolina
General Statutes 143-215.70 through 215.73 allow the State to participate
in beach renourishment projects up to an amount not to exceed 75 percent
of the non-Federal share of the cost of the project. Although
confirmation of the State's participation in this project cannot be
provided at this time, the State does have a long history of strong
commitment to-similar projects. The State has demonstrated this
commitment in its financial assistance in the past to Federally initiated
and maintained projects at Wrightsville Beach and Carolina Beach. The
Town will procure a financial commitment from the State.
/4-2/
The Town has $80,000 cash available from its general fund and the
remainder of the local sponsor's share of the project cost will be
requested from the proceeds of the New Hanover County Room Occupancy tax,
75% of which is designated by state law for use in controlling beach
erosion. The Town will have $4,900 available annually from its general
fund operating budget for operation and maintenance of the project.
11; - -1.
Cost Sharing
Continued Maintenance of Wrightsville Beach
Berm and Dune Project
REEVALUATION STUDY
Total First Costs $1,047,600
35 percent $ 366,700
Federal
65 percent 680,900
TOTAL $1,047,600
f7 -2?
EC 1105-2-lb:)
24 Jai. 88
SCHEDULE OF SOURCES AND USES OF FUNDS
FUNDS AVAILABLE FRDM LOCAL SPONSOR
Begin Balance Required.Annual Fund
Plus Annual Income Contribution Balance
Balance on hand
const. init.
3 Month Construct on 366,700
Period
2n., year Revenues
Interest Income DOES NOT APPLY
OperatinE Fevenues
bone Sales
e tc .
art year Revenues
Interest Income DOES NOT APPLY
Operating Revenues
bor,c Saves etc.
Proje--t Comrietion DOES NOT APPLY
Required Annual OM&F -- $4,900
Source of Funds for ow = Annual appropriations by the Wrightsville Beach
Board of Aldermen under the authority of North Carolina General Statute 160A-17,
which provides for the funding of continuing contracts extending into subsequent
fiscal years.
14- 27
A-2
EC 1105-2-180
?9 .tan tie
SCHEDULE OF ESTIMATED FEDERAL AND NON-FEDERAL EXPENDITURE
t
FISCAL FEDERAL NON-FEDERAL
YEAR CASH LERRdD UTIL. HELOC_ OTHER
1990 680,900 366,700
Nctes:
i. Federa=, Nor,-Federa: cash and LERR&D should be shown fo- each prefect
purpose.
2. Any repayment for navigation projects should be shown. in a footnote.
3. Incluce in other any associated costs such as berthing areas or
interior drainage.
/9 -a8
A-3
4?II
r
?NOH4 Gralina (Srnrrni Asormbig
Xouar of ?Rrprrarntatiurs
'Sintr Xr8ialatiur ?Iuilbing
?Ralrigh 27611
REP. ALEX M HALL
13TH DISTRICT • NEW HANOVER COUNTY
OFFICE ADDRESS. ROOM 532
LEGISLATIVE OFFICE BUILDING
919733.5995
HOME ADDRESS' 718 MARKETSTREET
WILMINGTON. N C 28401
919.343.8433
April 19, 1989
Mayor Carlton G. Hall
Town of Wrightsville Beach
P.O. Box 626
Wrightsville Beach; NC 28480
Re: Beach Renourishment Funds
Dear Carl:
COMMITTEES
FINANCE. CHAIRMAN
JUDICIARY. SUBCOMMITTEE ON LAW
ENFORCEMENT Q PUBLIC SAFETY
Thank you for your letter of April 14, 1989,
alerting me to Wrightsville Beach's need for $200,000 in
State funds for renourishment of the berm at
Wrightsville Beach. I have asked the bill drafting
section of the General Assembly to prepare a bill to
that effect and will introduce it when it is ready.
By copy of this letter, I am alerting Rep. Harry
Payne and Sen. Frank Block of my intentions to file this
bill and to solicit their support. Thank you very much
for alerting me to the Town's needs, and I hope that you
will continue to contact me about any other legislative
matter that concerns you.
With kind regards, I remain
AMH/bjh
Very t my yours,
? ,-A-1-ex M. Hall
cc: Rep. Barry Payne
Sen. Frank Block
1 ?4 -29
REPORTING OFFICERS ASSESSMENT
OF THE
NON-FEDERAL SPONSOR'S FINANCIAL CAPABILITY
I have assessed the Town of Wrightsville Beach's financial capability and I
have ascertained that it is reasonable to expect that ample funds will be
available to satisfy the non-Federal sponsor's financial obligation for the
project.
,-* •-•?. I; -
./ THOMAS C. SUERMANN
LTC, Corps of Engineers
Commanding
fA-30
SUPPLEMENT TO THE ENVIRONMENTAL ASSESSMENT
AND FINDING OF NO SIGNIFICANT IMPACT (EA/FONSI)
FOR THE
CONTINUED FEDERAL PARTICIPATION
IN THE
WRIGHTSVILLE BEACH SHORE AND HURRICANE WAVE PROTECTION PROJECT
NEW HANOVER COUNTY, NORTH CAROLINA
1. PURPOSE AND NEED FOR THE PROPOSED ACTION.
This document supplements the Environmental Assessment and Finding of No
Significant Impact (EA/FONSI) for the Continued Federal Participation in the
Wrightsville Beach Shore and Hurricane Wave Protection Project, New Hanover
County, North Carolina,-which is included in the Feasibility Report dated
September 1982. As a result of the feasibility report, the Wrightsville
Beach project was reauthorized by the Water Resources Development Act of 1986
:9bs tai gg?-Sderal cost sharing for beach nourishment for the -
life of the project. The study area is s_iowb on _itgure-- 1.
The purpose of this supplement to the EA/FONSI is to assess the impacts
of expanding the Masonboro Inlet/Banks Channel sediment trap/borrow areas and
placing the material from these areas on Wrightsville Beach. All other
impacts of the project are-addressed in the EA/FONSI referenced-in the
previous paragraph and will not be repeated herein.
Expanding the two sediment trap/borrow areas is necessary to increase the
amount of suitable borrow material available for renourishment of
Wrightsville Beach during the FY 90 renourishment event and during future
nourishment events.
2. PROPOSED ACTION.
The Masonboro Inlet and Banks Channel sediment trap/borrow areas will be
expanded to include an area approximately 1,250 feet long by 875 feet wide at
the confluence of Banks Channel and the Masonboro Inlet Channel and an area
approximately 600 feet long by 600 feet wide near the seaward end of the
Masonboro Inlet South Jetty as shown on Plate 3. The Banks Channel sediment
trap/borrow area, including the 1,250 foot by 875 foot expansion, is referred
to as Borrow Area B and is dredged to a depth of -30 feet mean-low-water
(mlw). The Masonboro Inlet sediment trap/borrow area is divided into two
sections, Borrow Areas A and A' and is dredged to a depth no greater than -20
feet mlw to avoid impacts to existing archeological/historical resources.
The 600 foot by 600 foot expansion is located at the eastern end of Borrow
Area A'.
3. ENVIRONMENTAL EFFECTS.
The discussion concerning the environmental effects of the expansion of the
sediment trap/borrow areas on affected resources are the same as those
described in the previously referenced EA/FONSI except as stated below:
a. Water Quality. The material within the sediment trap/borrow
areas consists of high quality beach sand which enters the system from
Masonboro Inlet and is suitable for placement on the beach. The discharge of
fill material on Wrightsville Beach is covered under water quality
W certifications number 1393 issued April 30, 1980, and number 1393-R issued
September 30, 1980. The Section 404(b)(1) Evaluation Report and Finding of
Compliance for the.pro,ject are included as Appendix G of the Feasibility
Report and EA/FONSI, dated September 1982. The expansion of the areas does
not alter the findings in the Section 404(b)(1) Evaluation Report and Finding
of Compliance. These documents will, therefore, not require revision. 1 -2004-6-1 rees. The expansion of the
sediment trap/borrow areas has been reviewed or areieo3h.:
concerns. The magnetic surveys of Masonboro-Inlet, Masonboro Channel, and
Banks Channel, conducted in the late 1970's, indicate thatno effect to known
cultural resources will occur in the expansion areas, as long as the
Masonboro Inlet sediment trap/borrow areas are not dredged below -20 feet
mlw.- A magnetic anomaly was identified in Masonboro Inlet area at -25 feet
mlw. No cultural resources were identified in the Banks Channel sediment
trap/borrow area, Borrow Area B, during the survey.
c. Coastal Management Program. The expansion of the sediment
trap/borrow areas is consistent with the approved Coastal Management Program
of the State of North Carolina. This supplement revises the existing
consistency determination (Appendix F of the Feasibility Report and EA/FONSI,
1982) dated July 28, 1982. State concurrence was received on September 17,
1982.
d. Endangered Species. The expansion of the sediment trap/borrow
areas will not jeopardize endangered species or their critical habitat or
violate the protective measures for any marine sanctuaries. Reinitiation of
formal consultation with the U.S. Fish and Wildlife Service has been
requested to include the potential impacts of beach disposal on wintering
piping plovers and transient roseate terns, and to allow placement of fill
material on the beach during the sea turtle nesting season in 1990 and during
future renourishment events, if it becomes necessary.
2
4. COORDINATION.
Agencies Contacted. Representatives from the following agencies were
contacted regarding the proposed action:
U.S. Fish and Wildlife Service, Raleigh, North Carolina
Mayor, Town of Wrightsville Beach
Notice of Availability. A notice of the availability of the Supplement
to the EA/FONSI will be mailed to all concerned Federal, State, and local
agencies and the public:
5. FINDING OF NO SIGNIFICANT IMPACT.
f -The proposed expansion of the sediment trap/borrow areas will not
significantly affect the quality of the human environment; therefore, an
environmental i act statement will not be prepared.
a ence W. Sa nders ?? Thomas C. S rmann
chief, PlanA?A Division Lieutenant Colonel,
Corps of Engineers
District Engineer
DATE: DATE: Z3
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AMENDMENT
TO THE
SUPPLEMENT TO THE ENVIRONMENTAL ASSESSMENT
AND FINDING OF NO SIGNIFICANT IMPACT (EA/FONSI)
FOR THE
CONTINUED FEDERAL PARTICIPATION
IN THE
WRIGHTSVILLE BEACH SHORE AND HURRICANE WAVE PROTECTION PROJECT
NEW HANOVER COUNTY, NORTH CAROLINA
- March 15, 1990
1. PURPOSE AND NEED FOR THE PROPOSED ACTION. This amendment supplements the
Environmental Assessment and Finding of No Significant Impact (EA/FONSI) for
the Continued Federal Participation in the Wrightsville Beach Shore and
Hurricane Wave Protection Projects New Hanover County, North Carolina, dated
September 1982 and the Supplement to the EA/FONSI, signed August 22, 1989.
The Renourishment Plan is shown on plates 1 and 2.
The purpose of this amendment is to assess the impacts of expanding the
Masonboro Inlet sediment trap/borrow area A' seaward for a distance of about
1,800 feet over a width of 600 feet and placing the material from this area on
Wrightsville Beach. All other impacts of the project are addressed in the
EA/FONSI and the Supplement to the EA/FONSI referenced above.
2. PROPOSED ACTION. The Masonboro Inlet sediment trap/borrow area will be
expanded to include an area approximately 1,800 feet long by 600 feet wide
extending seaward from the eastern end of Borrow Area A' (plate 3). The
expanded area will be dredged to a depth of -20 feet mean low water (mlw).
Dredging of the Masonboro Inlet sediment trap/borrow area below -20 feet mlw
is prohibited to protect known archaeological/historical resources.
3. ENVIRONMENTAL EFFECTS. The discussion concerning the environmental
effects of the expansion of the Masonboro Inlet sediment trap/borrow area (A')
on affected resources are the same as those described in the previously
referenced EA/FONSI and the Supplement to the EA/FONSI except as noted below:
a. Water Qualitg. The material within the expansion area covered under
this amendment consists of high quality beach sand which is suitable for
placement on Wrightsville Beach. A request to amend Water Quality
Certification Nos. 1393 and 1393-R to include the Continued Federal
Participation in the Wrightsville Beach Shore and Hurricane Wave Protection
Project, New Hanover County, North Carolina, including the discharge of
dredged material from the expansion areas in the Banks Channel and Masonboro
Inlet sediment trap/borrow areas has been sent to the North Carolina Division
of Environmental Management.
The expansion of the Masonboro Inlet sediment trap/borrow area does not
alter the findings in the Section 404(b)(1) (P.L. 95-217) Evaluation Report
and Findings of Compliance prepared for the Continued Federal Participation in
the Wrightsville Beach Shore and Hurricane Wave Protection Project, New
Hanover County, North Carolina, signed on October 4, 1982.
i
b. Archaeological/Historical Resources. The magnetic survey of Masonboro
Inlet conducted in the late 1970's indicates that magnetic anomalies are
located within Masonboro Inlet at -25 feet mlw. The addition of the proposed
expansion to the Masonboro Inlet sediment trap/borrow area, to be dredged to a
depth of -20 feet mlw, will not affect known archaeological/historical
resources.
e. Coastal Management Program. The expansion of the Masonboro Inlet
sediment trap/borrow area is consistent with the approved Coastal Management
Program of the State of North Carolina. This amendment revises the existing
consistency determination dated July 28, 1982 (State concurrence received on
September 17, 1982). This amendment has been coordinated by telephone with
Mr. Steve Benton, Division of Coastal Management, North Carolina Department of
Environment, Health, and Natural Resources A copy of this amendment will be
forwarded under separate cover to the Division of Coastal Management for
a 45-day review and concurrence/nonconcurrence.
d. Endangered Species. The expansion of the Masonboro Inlet sediment
trap/borrow area will not jeopardize endangered species or their critical
_ habitat or violate the protective measures for any marine sanctuaries. No
further coordination under this amendment is required.
a
4. COORDINATION.
Agencies Contacted. Representatives from the following agencies were
contacted regarding the proposed action.
Mayor, Town of Wrightsville Beach
Mr. Steve Benton, Division of Coastal Management
Mr. Bill Mills, Division of Environmental Management
Public Notice/Notice of Availability. A Public Notice/Notice of
Availability for the proposed activity will be mailed to Federal, State, and
local agencies and the concerned public.
5. FINDING OF NO SIGNIFICANT IMPACT. The proposed action will not
significantly affect the quality of the human environment; therefore, an
environmental impact` statement will not be prepared.
I?awrefice W. S;iundgrs Thomas C. Suermann
Chief, Plannig Division Lieutenant Colonel,
A, Corps of Engineers
District Engineer
DATE: DATE:
1 4 .r
2