Agenda 12/14/2010 Item #16D13
Agenda Item No, 16D13
December 14, 2010
Page 1 of 39
EXECUTIVE SUMMARY
Recommendation to approve a Resolution of the Board of County Commissioners
of Collier County, Florida supporting the County's Four Grant Applications to the
Florida Department of Environmental Protection (FDEP) for Long Range Grant
Funding Requests for Fiscal Year 2011.2012 and authorization of any necessary
budget amendments.
OBJECTIVE: To obtain long range grant funding from FDEP for Fiscal Years 2011-
2012.
CONSIDERATIONS: Coastal Zone Management continues to seek funding from
FDEP in order to cover shortfalls for necessary projects. These grants will provide
funding for Collier County projects consisting of Wiggins Pass Inlet Management Plan,
Barefoot Beach Restoration Project, South Marco Island Beach Henourishment, and
Collier County Beach Renourishment.
FISCAL IMPACT: Approval of this item will provide long rang state funding to renourish
Collier County beaches which is budgeted in Beach Renourishment Fund (195).
GROWTH MANAGEMENT IMPACT: There is no impact to the Growth Management
Plan related to this action,
LEGAL CONSIDERATIONS: This item has been reviewed and approved by the
County Attorney's Office and is legally sufficient for Board action. - CMG
RECOMMENDATION: Approve a Resolution of the Board of County Commissioners of
Collier County, Florida supporting the County's Four Grant Applications to the Florida
Department of Environmental Protection (FDEP) for Long Range Grant Funding
Requests for Fiscal Year 2011-2012 and authorization of any necessary budget
amendments,
PREPARED BY: Gary McAlpin, CZM Director
Agenda Item No, 16013
December 14, 2010
Page 2 of 39
COLLIER COUNTY
BOARD OF COUNTY COMMISSIONERS
Item Number:
Item Summary:
lGD13
Meeting Date:
Recolllmendation to approve a Resolution of the Board of County Commissioners of Collier
County Fror ida supporting the Countys Four Gr ant Applications to the Florida Department of
Environmental Ploteclioll (FDEP) for Long Range Grant Funding Requests for Fiscal Year
20-1-1-2012 and authmization of any necessary budget 8mendr.nents.
12/t4/2010 9 OIJ IJO AM
Approved By
Colleen Greene
Assistant County Attornny
Date
County Attorney
CGtinty Attorney
11/18/20109:05 AM
Approved By
Marla Ramsey
Administrator - Public Services
Date
Public Services Division
Public Sfmtices Division
11/18i2010 4:15 PM
Approved By
Gary Mcp,lpin
Director Coastal rJlanagernent
r'l oqram~;
Date
Public ServlCfls Division
Coasl;:11 Zone ManogelllPrlt
1211120105:04 PM
Approved By
J'2H I<latzkow
County A,Hurney
Date
12131201010:15 AM
Approved fly
OMB CoorclilEllm
Date
Counly fvi()Ili1~F;'(S OHkf~
OHicp t)f [.1dn"'~l~~rtH;~l'd g Burlqet
l2/3f20'1(l 12:38 PM
Approved By
Sherry PrYCl!'
M,m;lq';Hl'2llt! Bud9'"~j A!li:;lyst, Seriior
Date
Offi~:e of M;'n~ILI!'n;elll g
Budn0t
('flice uf fjl;m~w;rncnt &. Hw.JUet
121312U10 4:01 PM
Approved By
Leo E. Cells. .h,
Cr,'Ull!\' Mt'llmqcl
Date
County Manaqer:; Office
CI'llnty M;~ll{1CF?tS Office
12/5f2010 1 :59 PM
Agenda Item No, 16013
December 14,20'10
Page 3 of 39
RESOLUTION NO. 10 -
A RESOLUTION OF THE BOARD OF COUNTY COMMISSIONERS OF
COLLIER COUNTY, FLORIDA SUPPORTING THE COUNTY'S FOUR
GRANT APPLICATIONS TO THE FLORIDA DEPARTMENT OF
ENVIRONMENTAL PROTECTION FOR LONG RANGE GRANT
FUNDING REQUESTS FOR FISCAL YEARS 2011-2012.
WHEREAS, the Coastal Zone Management Department, acting on behalf of the
Collier County Board of County Commissioners, has prepared four grant applications to
the Florida Department of Environmental Protection (FDEP) for long range grant funding
for Fiscal Years 2011-2012; and
WHEREAS, the grant applications are requests to fund the following Collier
County projects: (1) Wiggins Pass Inlet Management Plan, (2) Barefoot Beach
Restoration Project, (3) South Marco Island Beach Renourishment, and (4) Collier
County Beach Renourishment.
WHEREAS, the Board of County Commissioners supports these four grant
applications and requests approval from the FDEP for each grant funding request for
Fiscal Years 2011-2012.
NOW THEREFORE, BE IT RESOLVED BY THE BOARD OF COUNTY
COMMISSIONERS OF COLLIER COUNTY, FLORIDA, that the Board supports the four
grant applications prepared for submittal to the Florida Department of Environmental
Protection for long range grant funding for Fiscal Years 2011-2012 and requests
approval from the FDEP for each funding request.
Agenda Item No, 16013
December 14, 2010
Page 4 of 39
PASSED AND DULY ADOPTED by the Board of County Commissioners of
Collier County, Florida, this
day of
,2010.
ATTEST:
DWIGHT E. BROCK, CLERK
BOARD OF COUNTY COMMISSIONERS
COLLIER COUNTY, FLORIDA
By:
FRED W. COYLE, CHAIRMAN
Approved as to form and
r;f!J" ,"ff;doooy.
Colleen M, Greene
Assistant County Attorney
I O,CZM ,00070/3
2
Agenda Item No, 16013
December 14, 2010
Page 5 of 39
FY 2011-12 Local Government Funding Request
Project Name: Barefoot Beach Restoration Proiect
Project Description:
The Barefoot Beach project area, which is located between Rl4 and R16.3, will be restored using
sand from an offshore borrow area, n. The level of restoration will be determined during final
design and compliment sand bypassed from the Wiggins Pass dredging project. The restoration
project will used approximately 250,000 cubic yards to restore the shoreline and the adjacent ebb
shoal. Based on modeling, beach placement closer to the inlet will have the greatest impact
toward restoring Barefoot Beach, The disposal shape will be determined by modeling and
complimentary cnginecring and design studies. Past disposal practices placed dredged material
where it creates a sediment deficit within a Y. mile north oftheinlet's vicinity.
Project Location: The Barefoot Beach Restoration Project is located on the southwest Florida
coastline in Collier County between Florida Department of Environmental Protection
monuments R-14 and R-16.3, downdrift and adjacent to Wiggins Pass. The project consists of
approximately 0.45 miles of critically eroded Gulf shoreline,
Use of Requested Program Funds: Funds requested for FY11112 will be used for final design
and construction.
Local Government Snnport
Does this sponsor have dedicated support staff whose sole priority is to manage beach erosion
control activities? Yes
-
Name Title Email Percent
Commitment
Gary McAlpin Director, Coastal Zone GaryMcAlpin@colliergov, 100%
Management net
Address 1: 330] East Tamiami Trail Phone: 239-252-2966
W, Harmon Turner Bldg., Suite
103
Address 2: Naples, Florida 34112 Fax: 239-252-2950
Quarterly Report Compliance:
This is an initial funding request for this project.
2008-2009
Qtr 1 Se t
Qtr 2 (Dec)
Qtr 3 (Mar)
Qtr4 (June)
End Date Re ort Sent Com liant
Se t. 30
Dec. 3]
Mar. 3]
June 30
Collier County
Long Range Budget Plan
FY 11/12 - Barefoot Beach Restoration Project
Agenda Item No, 16013
December 14, 2010
Page 6 of 39
Revenue for the local cost share will be provided by: LocaL funding for the project will be
obtained by Collier County through a Tourist Development Tax. This provides a dedicated Long
term funding source through a 'bed tax', Collier County levies a four (4%) percent Tourist
Development Tax on all rental income received from accommodations rented for six months or
less.
Is the funding from a dedicated long term source for this project? Yes
Collier County has dedicated the majority of the Tourist Taxes to coastal projects, including
funding inlet projects that benefit adjacent beaches. Collier County has a dedicated staff.
In order to acquire funding, a resolution from the local governmental entity must be
provided by the application deadline which declares:
. Support fro!ll the Sponsor for the Proposed Project
. Willingness to serve as the Local Sponsor
. Ability to provide the full Local Cost Share
. Funding Source
Has the local sponsor resolution been attached to the application fulfilling all of these
requirements? Yes. it will be provided
This project is detailed in Collier County's 10-year Capital Plan for Beach Projects which has
been approved by Collier County Board of County Commissioners.
Previous State cost-share for a feasibility or design/permitting phas~ of this project:
Initial request
Previous State Cost Share percentage
Initial request
10- Year Proiect Schedule and 5- Year Estimated Budl!et
Does this project have Congressional Authorization?
No
Does this project have a Federal Project Cooperative Agreement?
No
What is the end date of the Federal Authorization?
nla
Federal cost share available for this erosion control project:
0%
Collier County
Long Range Budget Plan
FY 11/12 - Barefoot Beach Restoration Project
Agenda Item No, 16013
December 14, 2010
Page 7 of 39
Schedule and Budget (Include estimated phases for 10 years and estimated project costs for
5 years.):
Year
Proposed Method
Description
Total Federal Cost
Estimated Cost Share
State Cost
Share
Local Cost
Share
2011/2012
Nourishment
Nourishment
2012/2013
2013 2014
2014/2015
2015/2016
2016 2017
2017/2018
2018/2019
2019/ 2020
2020/ 2021
omtonng
omtonng
Length of Project Boundary in Feet:
2.363 ft
Length of commercial or recreational property fronting the project shoreline:
Barefoot Beach Park 2,363 ft
Percentage of project shoreline designated as commercial or recreational property
100%
Eligibility: Access Points and Public Lodging Establishments:
See Attachment I for detailed listing and attached maps,
No occupational licenses or Florida Department of Businesses and Professional Regulation
licenses are included since the project area is a state and county owned, county operated
recreational area.
Additional Rankin~ Criteria
Will this project enhance or increase the longevity of a previously- constructed project?
Yes
No
6.1 ft!vr
Will this project nourish a previously restored shoreline?
Rate of Erosion as determined by the Bureau based on long term data (ftlyr)
Severity of erosion:
The entire portion of the project area has been designated by FDEP as critically eroded. The area
near R16 is currently experiencing the most severe erosion rate in the project area, losing an
average of 13.9 fiJyr or 418 feet since 1978. The second largest erosion within the project area
occurred directly north at R1S, This area has lost 143 feet of shoreline at a rate of -4.8 feet per
year since 1978. The erosion rate for the total project area is approximately 6.1 feet per year
Collier County
Long Range Budget Plan
FY 11112 - Barefoot Beach Restoration Project
Agenda Item No, 16D13
December 14, 2010
Page 8 of 39
over a 30 year time period. The stable condition of R14 to the north has helped to reduce the
shoreline erosion rate within the project area.
Project Benefits:
Shoreline development within the project area consists of approximately 2,360 linear feet of
publicly accessible beach. The entire portion of the project area is recreational and habitat. The
attached maps identify public beach access points with associated parking spaces within the
project area.
Gopher tortoises utilize the entire project area for nesting purposes although none of the areas
within the project area have been designated as a turtle refuge. The nourishment will initiate
restoration oflost habitat
Periodic dredging and bypassing has taken place at Wiggins Pass in recent decades. The total
volume of sand bypassed to adjacent beaches from maintenance dredging has been 498,650
cubic yards since 1984, Approximately 260,937 cubic yards of that fill has been placed to the
north, with the remaining 237,713 cubic yards being placed to the south of the inlet This project
will fill the gap where sand is not spreading naturally and supplement the bypassing operations
and will replace deficits started in the 1980s, which will mitigate for past inlet impacts.
Use ofInnovative Applications of existing technologies:
Geographic computer modeling will be utilized to identify the most beneficial region to place the
restoration filL A multi-stage recovery will be implemented in order to restore the eroding
shoreline along with restoring the ebb shoal in order to alleviate erosion at Barefoot Beach,
without severe impacts to navigation.
Nourishment Interval (vears):
2.
Project Performance:
The shorelines near Wiggins Pass have been eroding at an accelerated rate since the 1990s,
which directly affects the amount of recreational area available to the public, During the period
from 1992 to 2009, the largest shoreline retreat was observed at R-16 with over 400 feet of
shoreline lost Approximately 10 acres has been lost from the Gulf beaches since 1992. The
shoreline recession on South Barefoot Beach has caused vegetation to be lost, and it has also
created a dangerous scarp along the shoreline that is hazardous to park users. Along with the
loss of vegetation, walking paths that were prescnt in 1973 at Barefoot Beach have been eroded
away and are no longer present in several areas to the west and south.
In comparison to the shoreline changes, the volumetric changes also indicate that the shoreline
north of Wiggins Pass is trending to become highly erosionaL From 1885 to 1979, the shoreline
north of Wiggins Pass was overall accrcational for approximately 100 years, After 1979 to
present, the shoreline shifted and is now in a state of erosion, The worst of the erosion is seen at
R-16 where approximately 201,000 cubic yards have been lost This erosion has caused the
southern tip of South Barefoot Beach to nearly shear off, which in return has lost valuable
recreational area and habitat within the park.
Collier County
Long Range Budget Plan
FY 11112 - Barefoot Beach Restoration Project
Agenda Item No, 16013
December 14, 2010
Page 9 of 39
The restoration is scheduled for FY 201212013, but may need to be flexible to agency desires and
the schedule for Wiggins Pass. As such, it is not tied to one of these projects,
Is this project being planned or constructed in cooperation with another local government?
Explain? Yes
This project will be built to compliment the Wiggins Pass Inlet Management Plan and the Collier
County Nourishment Project, where feasible. Monitoring of all Collier County Coastal projects
is consolidated for economy - including both physical and biological monitoring and the sea
turtle nesting program, The two coastal cities and county share this effort.
Agenda Item No. 16D13
December 14, 2010
Page 10 of 39
Co tlier County
Long Range Budget Plan
FY 11112 - Barefoot Beach Restoration Project
ATTACHMENT 1
FUNDING ELIGIBILITY
COLLIER COUNTY BEACH RENOURISHMENT PROJECT
Project Boundary: RI4 to 300' south ofRI6
Approximate Shoreline Length: 2,360'
Public Access
Barefoot Beach Preserve"
Delnor Wiggins State Recreation Area"
On-site
Spaces
100+
340
Adjacent
Spaces
100+
o
Total
Spaces
200+
340
Area determined to be publiclv accessible
RI4 to 300' south ofR16
Total Lenl!:th
2,360'
Area determined to be criticallv eroded
RI4 to RI6,3
Total eligible shoreline length: 2,360'
Total project shoreline length: 2,360'
State owned shoreline length:
County owned shoreline length:
2,260'
100'
Percent eligible for State funding: 100,0%
State eligibility incorporates the total project length (critical and non-critical) and eligibility only recognizes publicly
accessible critically eroded shoreline,
"Primary beach access contains a minimum of 100 parking spaces and public restrooms.
Agenda Item No, 16 13
December 14, 2 10
Page 11 of 39
Pr<>l.ctBo~ndarle.
npublicty-Owned Pro~rty (S.ac;h Acceu)
c::JSla1BLand
/\,/C,Kk;a1 E,oaion A",.
.. FOEPMonu""'n~
""""
1. Cooloinlle,.", in Igel b..ood on Ihe Floril:lB
SIB'e PilIneCoo,din.t. Syslem, EntZonB,
NortllAmflri..n OBtumoflD63. (NAD83j
2,DaIBofAe'IBIPhologrlphy:2008
3. Publlcty.OwnBdJ>ropel1YlndBe.cI1Hct.11
.ndReoortCorolOlp'CI'IIdBdb1the
Collier Counly GIS Dep.nment
,
CoUierCo(lntyBeach
Long Range Buch Plan
Barllfoot Beach Sellment
,50 ,00
1 'nch'500 """
FlCUIIE
Agenda Item No 16013
December 14, 2010
Page 12 of 39
FY 2011-12 Local Government Funding Request
Project Name: Collier County Beach Nourishment Proiect
Project Description: This project includes the yearly physical beach monitoring, biological
monitoring for the artificial reef and nearshore hardbottom, and design will lead to
renourishment in 2012113.
The 2005/06 re-nourishment project consisted of the restoration, using approximately 665,000
cubic yards of hydraulic fill, and maintenance of up to eight miles of Gulf of Mexico shoreline
along unincorporated Collier County and the City of Naples. This project was completed in May
2006 with the main goal to avoid environmental impacts such as hard-bottom coverage and a
design project iife of six to eight years, The borrow area was located just over 33 miles north-
northwest of Vanderbilt Beach and was chosen due to the coarser sand availability which will
generally avoid near-shore hard-bottom coverage. A one acre artificial reef was constructed to
satisfy mitigation permit requirements,
In 1995/1996 much of the same project area was hydraulically re-nourished, Approximately
240,000 cubic yards of upland sand was placed for maintenance and another 160,000 cubic yards
of sand was bypassed since this major re-nourishment project.
The renourishment in 2012-2013 will be approximately 500,000 cubic yards and will include a
new area, Clam Bay Park within the Park Shore Segment. The project will reach its six year
design life in 2012/13 and hot spot nourishment in required,
Project Location: The City of Naples/Collier County Beach Renourishment Project is located
on the southwest Florida coastline in Collier County between Florida Department of
Environmental Protection monuments R-22 and R-79. The project consists of approximately 5
miles of critically eroded Guif shoreiine,
Use of Requested Program Funds: Funds requested for FY 11/12 will be used for annual
physical monitoring, biological monitoring, and turtle monitoring activities associated with the
2006 construction and design and pemlitting tasks in preparation of the upcoming renourishment
in FY 12113, The renourishment in FY 12113 will be approximately 500,000 cubic yards,
Agenda Item No, 16013
December 14, 2010
Page 13 of 39
Collier County
Long Range Budget Plan
FY 11/12 - Collier County Beach Renourishment
Local Government SUDDort
Does this sponsor have dedicated support staff whose sole priority is to manage beach erosion
control activities? Yes
Name Title Email Percent
Commitment
Gary McAlpin Director, Coastal Zone GaryMcAlpin@colliergov. 100%
Management net
Address 1 : 3301 East Tamiami Trail Phone: 239-252-2966
W. Harmon Turner Bldg" Suite
103
Address 2: Nanles, Florida 34112 Fax: 239-252-2950
Quarterly Report Compliance:
Com Iiant
N
N
N
N
End Date
Se t 30
Dec. 31
Mar,31
June 30
How will revcnne for tbe local funding cost share be established?
Local PJnding for the project 'Nil! be obtained by Collier County through a Tourist Development
Tax. This provides a dedicated long term funding source through a 'bed tax'. Collier County
levies a four (4%) percent Tourist Development Tax on all rental income received from
accommodations rented for six months or less.
Is the funding from a dedicated long term source for this project? , Yes
Collier County has dedicated the majority of the Tourist Taxes to beach maintenance, including
funding projects within the City of Naples, Collier County has a dedicated staff.
In order to acquire funding, a resolution from the local governmental entity must be
provided by the application deadline which dcclares:
. Support from the Sponsor for the Proposed Project
. Willingness to serve as the Local Sponsor
. Ability to provide the full Local Cost Share
. Funding Source
Has the local sponsor resolution been attached to the application fulfilliug all of these
requirements? Yes. it will be orovided.
The Collier County Board of County Commissioners adopted resolution dated September 2005
and again in 2006 is on file at FDEP offices,
This project is detailed in Collier County's 10-year Capital Plan for Beach Projects which has
been approved by Collier County Board of County Commissioners,
Agenda Item No, 16013
December 14, 2010
Page 14 of 39
Collier County
Long Range Budget Pian
FY 11/12 - Collier County Beach Renourishment
Has the State cost-shared in a feasibility or design phase ofthis project?
Yes
Previous State Cost Share percentage
32.2%
to-Year Proiect Schedule and 5-Year Estimated Budl!et
Does this project have Congressional Anthorization?
Yes
Does this project have a Federal Project Cooperative Agreement?
No
What is the end date of the Federal Authorization?
nla
Federal cost share available for this erosion controt project: 75%
Vanderbilt, Park Shore, and Naples have FEMA Category G funds due to damage as a result of
Tropical Storm Fay, This has been included within the 5-year estimated budget under the
Federal Cost Share column at 75% of eligible cost. It is essential that construction be funded by
the State, so that Federal (FEMA) funds will be available.
Schedule and Budget (tnclude estimated phases for to years and estimated project costs for
5 years.):
PrnnnllPtt Total Federal Cost State Cost Local Cost
Year ~ . -1----- Description
Method Estimated Cost Share Share Share
201112012 Renourishment $345,000 $258,750 $55,062
Phys, Turtles 283,464 0 180,963
Phys, Biological $589,857 $131,632 $292,531
2012/2013 Renourishment $200,000 $150,000 $31,920
Renouns ment 21,800,000 ,741, 3 , 74,702
Length of Project Boundary in Feet:
40.620 fl
Length of commercial or recreational property fronting the project shoreline:
29.375 ft
Percentage of project shoreline designated as commercial or recreational property
36.16%
Agenda Item No, 16013
December 14, 2010
Page 15 of 39
Collier County
Long Range Budget Plan
FY 1 t112 - Collier County Beach Renourishment
Eligibility:
Access Points and Pnblic Lodging Establishments:
Cost Sharing Summary
Reach
Length (ft) Eligible Length (ft)
Vanderbilt Beach
Park Shore/Clam Pass Park
Naples Beach
8,480
12,765
19,375
7,230
3,735
18,410
Total
40,620
29,375
Eligible Shoreline %
State Cost Share %
72.32%
36.16%
See Attachment 1 for detailed listing and maps.
The Collier County occupational licenses and the Florida Department of Businesses and
Professional Regulation licenses for the following hotels are on file and can be provided if
required.
Additional Rankin!! Criteria
Will this project enhance or increase the longevity of a previously- constructed project?
Yes
Will this project nourish a previously restored shoreline?
Yes
Rate of Erosion as determined by the Bureau based on long term data (ftIyr)
4.5 ftIvr
Severity of Erosion:
A majority of the project area has been designated by FDEP as critically eroded. The Naples
Beach area is currently experiencing the most severe erosion rate in the project area, losing an
average of 6,4 ftJyr since June 2006, The Vanderbilt Beach and Pelican Bay project areas have
been eroding at a rate of 5,0 feet per year since construction ofthe 2006 project. The Park Shore
project area has eroded 5.4 feet sincc June 2006. Erosion within the total project area has
averaged 4.5 ftJyr since 1996.
Threat to Upland Structures:
Based upon a similar modeling study within the region, 41 structures are threatened due to
recession from the 25-year storm.
Agenda Item No, 16013
December 14, 2010
Page 16 of 39
Collier County
Long Range Budget Plan
FY 1 Jl12 - Collier County Beach Renourishment
Project Benefits:
Shoreline development within the project area consists of over 29,000 linear feet of publicly
accessible beach. 7,230 linear feet (85%) of the Vanderbilt Beach property is commercial or
recreational. This includes four hotels, Delnor-Wiggins State Park and Collier County's
Vanderbilt Beach Road Park, 3,725 linear feet (29.26%) of the Park Shore property is zoned
commercial or rccreational and eligible. Another 2,300 feet is Clam Pass Park, but although this
area is erosional, it is not designated as critically eroded. This includes three public access streets
(City of Naples). ] 8,41 0 linear feet (95.02%) of the Naples Beach property is zoned commercial
or recreational. This includes the City of Naples' Lowdermilk Park, two hotels and numerous
public access streets and walkways. The attached maps identify public beach access points,
hotels, and other commercial facilities within the project area. Threatened and endangered
marine turtles utilize the entire project area for nesting purposes although none of the areas
within the project area have been designated as a seaturtle ref.uge.
Periodic dredging and bypassing has taken place at Wiggins Pass, Clam Pass, Doctors Pass and
Gordon Pass in recent decades, The total volume of sand bypassed to adjacent beaches from the
four inlets since completion of the 1996 project is estimated at approximately 600,000 cubic
yards.
Use of Innovative Applications of Existing Technologies:
Current technologies in practice will be used for the upcoming renourishment project and
subsequent monitorings. In addition, an investigation to improve hot spot performance and tune
structures using modeling is planned. Sand performance has met expectations, and beach
widening is fcasible without significant threat to nearshorc hardbottom.
Nourishment Interval (vears):
6-8
Project Performance:
The project was built between January 23, 2006 to May 23, 2006, with dredging starting on
February 21, 2006. Collier County's 8.5 miles of renourished shorelines include Vanderbilt
Beach, Pelican Bay, North Park Shore, Park Shore, and Naples Beach. These beaches were
renourished with an as-built sand volume of approximately 667,562 cubic yards of sand during
construction, The project was constructed by Great Lakes Dredge & Do,ck Company (GLDD)
with two hopper dredges, the Sugar Island and the Manhattan Island, Dredge and fill operations
lasted a total of 92 days, All of the project areas were renourished with sand from the Borrow
Area 1'-1, which is located approximatcly 33 miles northwest of Delnor-Wiggins State Park.
V olumetric changes measured from the pre-construction November 2005 survey to the three year
post-construction July 2009 survey measured 529,278 cubic yards remaining in the project area
or 80% of the design volume. It appears that the shorelines arc still recovering from the active
2004-5 and 2008 storm season where Tropical Storm Fay affected the project area,
The next full nourishment is scheduled for FY 2012/20t3 at the planned 6-year renourishment
interval.
Agenda Item No. 16013
December 14, 2010
Page 17 of 39
Collier County
Long Range Budget Plan
FY 11/12 - Collier County Beach Renourishment
Is this project being planned or constructed in cooperation with another local government?
Explain? Yes
Collier County and the City of Naples are jointly sponsoring this project, and monitoring for all
of Collier County projects is combined for economy.
Agenda Item No, 16013
December 14, 2010
Page 18 of 39
Collier County
Long Range Budget Plan
FY 11/12 - Collier County Beach Renourishment
ATTACHMENT 1
FUNDiNG ELIGiBILITY
COLLIER COUNTY BEACH RENOURISHMENT PROJECT
Vanderbilt Beach Sel!ment
Project Boundary: 350' south ofR22 to 500' south ofR30
Approximate Shoreline Length: 8,480'
Public Access
Delnor Wiggins State Recreation Area.
Vanderbilt Beach Road*
On-site
Spaces
340
149
Adjacent
Spaces
o
18
Totat
Spaces
340
167
Oualifvinl! Hotels
La Playa
Ritz CarItont
Onalifyinl! Shoreline
360'
750'
Area determined to be publicly accessible
350' south ofR22 to 150' north ofT25
30' south ofR26 to R31 t
Total Lenl!th
2,640'
4,590'
Area determined to be critically eroded
R22.3 to R30,5
Total eligible shoreline length: 7,230'
Total project shoreline length: 8,480'
Percent eligible for State funding: 85.26%
State eligibility incorporates the total project length (critical and non-critical) and eligibility only recognizes publicly
accessible critically eroded shoreline.
.Primary beach access contains a minimum of J 00 parking spaces and public restrooms.
j"OverIap
Agenda Item No, 16013
December 14, 2010
Page 19 of 39
Collier County
Long Range Budget Plan
FY 11112 - Collier County Beach Renourishment
FUNDING ELIGIBILITY
COLLIER COUNTY BEACH RENOURlSHMENT PROJECT
Park Shore & Clam Bay Park Sel!ment
Project Boundary: 200' south ofR42 to 390' south ofR54
Approximate Shoreline Length: 12,765'
On-site Parking Spaces
Metered Permit"
24 14
27 10
o 0
o 180
Public Access
Horizon Way
Vedado Way
Seagate Drive
Clam Pass Park
Adjacent
Spaces
15
o
50
o
Total
Spaces
53
37
50
180
Area determined to be publicly accessible
870' south ofR50 to 290' south ofR54
Total Lenl!th
3,735'
Area determined to be critically eroded
RSO.5 to 390' south ofR54
Total eligible shoreline length: 3,735'
Total project shoreline length: 12,765'
Percent eligible for State funding: 29,26%
State eligibility incorporates the total project length (critical and non-critical) and eligibility only recognizes publicly
accessible critically eroded shoreline.
'Permit spaces are available to residents and the general public for the same price.
Agenda Item No. 16013
December 14, 2010
Page 20 of 39 .
Collier County
Long Range Budget Plan
FY 11112 - Collier County Beach Renourishment
FUNDING ELIGIBILITY
COLLIER COUNTY BEACH RENOURlSHMENT PROJECT
Naples Sel!ment
Project Boundary: I,OSO' north ofRS8 to R79
Approximate Shoreline Length: 19,37S'
On-site Spaces Adjacent Spaces Total
Public Access Public Permit' · Public Permit" Spaces
Lowdermilk Park- S2 162 0 0 214
8th A venue North 2] 0 0 0 21
th A venue North 10 2 0 0 12
North Lake Avenue 19 19 0 0 38
6th Avenue North 6 4 0 0 10
Sth Avenue North 0 0 0 0 0
4th Avenue North ]1 4 0 0 ]S
3'd Avenue North ]0 4 0 0 ]4
2,d A venue North 12 4 0 0 16
1" A venue North 11 6 0 0 17
Centra] Drive 8 4 0 0 12
1" A venue South S ]1 0 0 16
2nd Avenue South 7 4 0 0 ]1
3'd Avenue South 8 6 0 0 14
4th Avenue South 10 S 0 0 IS
5th A venue South 21 0 20 15 56
6th A venue South 4 8 0 0 12
7tJ1 A venue South 10 6 0 0 16
8tJ, Avenue South 6 5 0 0 11
9th Avenue South ]] 4 0 0 ]5
lOtJ, A venue South 15 6 0 0 21
11 th A venue South 8 5 0 0 13
Broad A venue 20 0 28 0 48
]2th Avenue South' 4 0 103 0 ]07
13th A venue South 22 0 9 0 31
14th Avenue South 16 14 0 0 30
15th A venue South 10 8 () 0 18
16th A venue South 16 14 0 0 30
17th A venue South 7 3 () 0 10
18th A venue South 12 13 14 0 39
19th A venue South 0 0 0 0 0
21" Avenue South 0 0 0 20 20
'Primary beach access contains a minimum of I 00 parking spaces and public restrooms
"Permit spaces are available to residents and the general public for the same price
Agenda Item No. 16013
December 14, 2010
Page 21 of 39
Collier County
Long Range Budget Plan
FY 1 t/12 - Collier County Beach Renourishment
Ouatifvinl! Hotels
Edgewater Hotel
Oualifvinl! Shoreline
265'
Area determined to be nubliclv accessible
85' north ofR58 to R79
Total Lenl!th
18,410'
Area determined to be criticallv eroded
R57.8 to R79
Total eligible shoreline length: 18,410'
Total project shoreline length: 19,375'
Percent eligible for State funding: 95.02%
State eligibility incorporates the total project length (critical and non-critic.i) and eligibility only recognizes publicly
accessible critically eroded shoreline.
'Primary beach access contains a minimum of 100 parking spaces and public restrooms,
71H1000
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Long Range Beach Plan
Vand"rblllBeachSegmel1l
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Agenda Item No, 16013
December 14,2010
Page 25 of 39
FY 2011-12 Local Government Funding Request
Project Name: South Marco Island Beach Renourishment
Project Description: This project includes the yearly physical beach monitoring, beach tilling,
and turtle/shorebird monitoring leading to beach nourishment and improved structures in
2012/2013. All the monitoring activities are required by the FDEP permit.
Marco Beach was restored in early winter 2007 using approximately 180,000 cubic yards of
hydraulic fill along with the maintenance of 4,500 feet of Gulf of Mexico shoreline along the
City of Marco Island. The project area was previously renourished in 1997. The same borrow
area from the 1997 project was used for the 2007 project, which was completed in March 2007.
The design project life for the recent nourishment is between six to eight years.
Project Location: The South Marco Island Beach Renourishment Project is located on the
southwest Florida coastline of Collier County between Florida Department of Environmental
Protection monuments R-142 and beyond R-148 to the terminal groin. The project is being
designed for the next nourishment with consideration for improving the existing structures.
Use of Requested Program Funds: Funds requested for FYI 1112 will be used for annual
physical monitoring and turtle monitoring activities associated with the 2007 construction, and
design for the next nourishment.
Local Government Support
Does this sponsor have dedicated support staff whose sole priority is to manage beach erosion
control activities? ; Yes
-
Name Title Email Percent
Commitment
Gary McAlpin Director, Coastal Zone GaryMcAlpin@colliergov. 100%
Management net
Address 1: 3301 East Tamiami Trail }'hone: 239-252-2966
W, Harmon TUlller Bldg" Suite
103
Address 2: Naples, Florida 34112 Fax: 239-252-2950
Quar-terly Report Compliance:
2008-2009 End Date Report Sent Compliant
Qtr 1 (Sept) Sept. 30 N
Qtr 2 (Dec) Dec. 31 N
Qtr 3 (Mar) Mar. 31 N
Qtr4 (June) June 30 N
Agenda Item No, 16D13
December 14, 2010
Page 26 of 39
Collier County
Long Range Budget Plan
FY 11112 - South Marco Island Beach Renourishment
How will revenue for the local funding cost share be established?
Local funding for the project will be obtained by Collier County through a Tourist Development
Tax. This provides a dedicated long term funding source through a 'bed tax'. Collier County
levies a four (4%) percent Tourist Development Tax on all rental income received from
accommodations rented for six months or less.
Is the funding from a dedicated long tcrm sourcc for this project? Yes
Collier County has dedicated the majority of the Tourist Taxes to beach maintenance, including
funding projects within Marco Island. Collier County has a dedicated staff.
In order to acquirc funding, a resolution from the local governmental entity must be
provided by the application deadline which declares:
. Support from the Sponsor for the Proposed P)"oject
. Willingncss to serve as the Local Sponsor
. Ability to provide the full Local Cost Share
. Funding Source
Has the local sponsor resolution been attached to the application fulfilling all of these
requiremcnts? Yes. it will be provided.
This project is detailed in Collier County's IO-year Capital Plan for Beach Projects which has
been approved by Collier County Board of County Commissioners.
/\ County Commission resolution specifically in support of this individual project is on file at
DEP offices.
Has the State cost-shared in a feasibility or design phase of this project?
Yes
l'revious State Cost Share percentage
41.76%
10- Year Proiect Schedule and 5- Year Estimated Budl!ct
Does this projcct have Congressional Authorization?
No
Does this project have a Federal Project Cooperativc Agreemcnt'!
No
What is the end date ofthe Federal Authorization?
nla
Federal cost share available for this erosion control projcct: 75%
Marco Island Beach has FEMA Category G funds due to damage as a result of Tropical Storm
Fay. This has been included within the 5-year estimated budget under the Federal Cost Share
column at 75% of eligible cost.
Agenda Item No. 16D13
December 14, 2010
Page 27 of 39
Collier County
Long Range Budget Plan
FY 11112 - South Marco Island Beach Renourishment
Schedule and Budget (Include estimated phases for 10 years and estimated project costs for
5 years.):
Year
Proposed
Method
Description
Total Federal Cost
Estimated Cost Share
State Cost
Share
Local Cost
Share
2011/2012
Design
$76,555
$100,000
$350,000
$77,386
$2;700,000
$1,500,000
$15,142
$19,780
$276,920
$15,307
$686,095
$1,186,800
,569
$62,582
Monitoring
Monitoring
20t2/2013
Construction
201312014
2014/2015
2015/2016
2016/2017
2017/2018
2U18/2019
2U 19/202U
2020/2021
Length of l'roject Boundary in Feet:
6.560 ft
Length of commercial or recreational property fronting the project shoreline:
2,740 ft
Percentage of project shoreline designated as commercial or recreational property
41.76%
Eligibility:
Access Points and Public Lodging Establishments:
Project Boundary: 330' south ofRI42 to 600' south ofRJ48
Approximate Shoreline Length: 6,560'
Public Access
Swallow Avenue
Parkin!! Spaces
70 (on site)
Oualifvin!! Hotels
Hilton Hotel
Radisson Hotel
Oualifvin!! Shoreline
510'
350'
Area determined to be publiclv accessible
330' north ofRl44 to 500' north ofRl45
20' north ofR146 to Rl48
Total Len!!th
860'
1,880'
Agenda Item No 16D13
December 14, 2010
Page 28 of 39
Collier County
Long Range Budget Plan
FY II It 2 - South Marco Island Beach Renourishment
Area determined to be criticallv eroded
R142+330 to R148+600
Total eligible shoreline length: 2,740'
Total project shoreline lcngth: 6,560'
Percent eligible for State funding: 41.76%
State eligibility incorporates the total project length (critical and non-critical) and eligibility only recognizes publicly
accessible critically eroded sboreline,
See attached map of eligible shorelines.
The Collier County occupational licenses and the Florida Department of Businesses and
Professional Regulation licenses for the following hotels are on file and can be provided if
required.
Additional Rankine Criteria
Will this project enhance or increase the longevity of a previously- constructed project?
Yes
Wiii this project nourish a previously restored shoreline?
v~"
~
Rate of Erosion as determined by the Bureau based on long term data (ftIyr)
3.1 ftlvr
Severity of Erosion:
A majority of the project area has been designatcd by FDEP as critically eroded,
currently eroding at a rate of -11. 7 feet per year since January 2007.
Marco Beach is
Project Benefits:
2,740 linear feet (41.76%) of the Marco Island Beach property is zoned commercial or
recreational. This includes two hotels/rcsort condos and a public access p'oint with parking
across the street.
Periodic dredging has taken place at Caxambas Pass. The total volume of sand dredged and
hydraulically pumped to the adjacent beach from Caxambas Pass since 1990 is estimated at
800,000 cubic yards,
Though Collier County has no federally designated sea turtle refuges, loggerhead sea turtles nest
throughout the county, and this project will enhance those opportunities. Beach tilling will
directly support turtle nesting by decreasing beach sand compaction.
Agenda Item No, 16013
December 14, 2010
Page 29 of 39
Collier County
Long Range Budget ptan
FY 11/12 - South Marco Island Beach Renourishment
Use ofInnovative Applications of Existing Technologies:
Improvements to the combined breakwater and groin system at the south end of the project area
is being investigated for improvements to control sand being lost off the south end of the island.
Nourishment Interval (vears):
6-8
Project Performance:
Beach fill material was dredged from Caxambas Pass and placed between FDEP R-monuments
R-145 to R-148. Overall, approximately 176,000 cubic yards of sand were placed onto the
beaches of South Marco Island,
The project area has about 109 feet, or 75%, of beach width remaining since construction. Since
construction, the shoreline has lost approximately 36 feet of shoreline, which is equivalent to a
rate of -1 1.9 feet per year. The project area has retained its construction volume; however, the
profiles at the southern end of the project area have eroded while the profiles in the northern
section of the project area have accreted.
Is this project being planned or constructed in cooperation with another local government?
Explain? Yes
Collier County and the City of Marco Island are jointly sponsoring this project. The project
combines beach nourishment with inlet dredging. All county monitoring, including the two
cities, is combined for economy.
576000
51~OOO
, inCh' ~~O '....1
Agenda Item No, 16D13
December 14, 2010
Page 30 of 39
Prujo'lll......,.....
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IloJw
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2.0.lIIo1Aa,,,,IPhotagflphy:2OD9.
3. Pub!lcty.Own~ Prop.rty.rod Beach H<*I,
.rIdR,&,OftCorldoaprovld&dbylll&
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long Range Beach Pl..n
$oulhM..rco$egmenl
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FIGURE
;
Agenda Item No, 16013
December 14, 2010
Page 31 of 39
FY 2011-12 Local Government Funding Request
Proiect Name: Wiggins Pass Inlet Management Plan Implementation
Project DescriDtion: The project goal is to improve inlet navigation conditions without the use
of structures, and reduce erosion on adjacent beaches at Wiggins Pass, Cpllier County, FL. This
will be accomplished by straightcning the inlet channel layout and modifying bypassing. The
designated dredge disposal locations and quantities will be modified and relocated to increase
management flexibility, reduce sediment loss to the system and impacts to Barefoot Beach
shoreline. A dynamic design will be incorporated into the maintenance plan for the inlet so that
long-term dredging can be reduced, Impacts to natural resources will be avoided or minimized.
The goals for the Wiggins Pass navigation improvement study as developed by Collier County
and the Wiggins Pass Modeling Evaluation Work Group are:
1. To provide a safe channel for boating
2. To address erosion at Barefoot Beach
3. To lengthen the dredge cycle and accomplish it with the least effect on the
environment
4. To provide a solution that is economically effective
The project will be implemcnted in four phases, The phases include initial construction (Figure
1), major maintenance dredging, intermediate ebb channel dredging and monitoring, mitigation
and contingency plans. A Barefoot Beach restoration project is separate and will not be included
in this request. It will supplement bypassing proposed in this project.
Figure 1. Phase I of Construction
Agenda Item No, 16D13
December 14, 2010
Page 32 of 39
Collier County
Long Range Budget Plan
FY ] 1/12 - Wiggins Pass Inlet Management Plan Implementation
There are five game changing facts recognized since the current plan for Wiggins Pass was
formulated in the 1990's that will be connected by the new plan:
1. The flood channel is migrating north significantly
2. Net alongshore transport is to the north
3. Insufficient bypassing is occurring to the north
4. The inlet and flood shoal are infilling from the south by a reoccurring sand wave
5. The rock ledge/ hard substrate extends to both sides of the channel
These facts are the basis for the new design proposed in Wiggins Pass Engineering Reports (Feb
2010), submitted as Attachment 33a of the JCP permit. An inlet management plan with
modeiing and permit application is currently in progress.
The modeling studies (CPE 2009) indicate that improved navigation conditions and mitigation of
erosion on adjacent beaches can be achieved by redesigning the navigation channel and
modifying the placement location and quantity of the dredged material. The total initial cut
volume estimate is 80,000 CY (Figure 1) and it will provide a prolonged maintenance interval.
The maintenance will include major maintenance dredging of approximately 45,000 CY each 4
years along with intermediate ebb (surgical) channel dredging of approximately 6,000 CY as
needed, This restoration will provide additional sand for bypassing to Barefoot Beach,
mitigating the historic erosion problem in this area. Periodic bypassing to Delnor Wiggins State
Park will be part ofthe plan.
A nourishment of Barefoot Beach is being considered as a separate project to restore the
shoreline and adjacent ebb shoal with a one time nourishment of250,OOO CY, supplementing this
plan. This project will help restore the sediment deficit to the north.
Project Location: The Wiggins Pass Project is located on the southwest Florida coastline in
Collier County between Florida Department of Environmental Protection monuments R16 and
R17 and the projcct is adjacent to approximately 2300 feet of critically eroded Gulf shoreline.
Use of Reuuested Prol!ram }'unds: Funds requested for FY11112 will be used for final design
and initial construction of the project.
Local Govcrnment Support
Does this sponsor have dedicatcd support staff whose sole priority is to manage beach erosion
control activities? Yes
-
Name Title Email Percent
Commitment
Gary McAlpin Director, Coastal Zone GaryMcAlpin@colliergov. 100%
Management net
Address 1: 3301 East Tamiami Trail Phone: 239-252-2966
W, Hannon Tumer B1dg" Suite
103
Address 2: Naples, Florida 34112 Fax: 239-252-2950
Agenda Item No 16013
December 14, 2010
Page 33 of 39
Collier County
Long Range Budget Plan
FY 11112 - Wiggins Pass Inlet Management Plan Implementation
Quarterly Report Compliance:
None, this is an initial request.
Revenue for the local cost share will be provided bv: Local funding for the project will be
obtained by Collier County through a Tourist Development Tax. This provides a dedicated long
term funding source through a 'bed tax'. Collier County levies a four (4%) percent Tourist
Development Tax on all rental income received from accommodations rented for six months or
less.
Is the funding from a dedicated long term source for this project? Yes
Collier County has dedicated the majority of the Tourist Taxes to beach maintenance, including
funding projects for inlct dredging that bcncfits adjacent shorelines. Collier COUllty has a
dedicated staff.
In order to acquire funding, a resolution from the local governmental entity must be
provided by the application deadline which declares:
. Support from the Sponsor for the Proposed Project
. Willingness to serve as the Local Sponsor
. Ability to provide the full Local Cost Share
. Funding Source
Has the local sponsor resolution been attached to the application fulfilling all of these
requirements? Yes, it will be provided
"
Previous State cost-share for a feasibility or desir!U/permittine: phase of this proiect:
The 1995 Inlet Management Plan was cost shared 50%. 50%
10- Year Proiect Schedule and 5- Year Estimated Bude:et
Does this project have Congressional Authorization?
No
Does this project have a Federal Project Cooperative Agreement?
No
What is the end date of the Federal Authorization?
NA
Federal cost share available for this maintenance dredging project:
NA
Agenda Item No, 16013
December 14, 2010
Page 34 of 39
Collier County
Long Range Budget Plan
FY 11112 - Wiggins Pass Inlet Management Plan Implementation
Schedule and Budget (Include estimated phases for 10 years and estimated project costs for
5 years.):
Year Proposed Description Total Federal Cost State Cost Local Cost
Method Estimated Cost Share Share Share
2011/ 2012 Design Model/Plan $250,000 $0 $187,500 $62,500
ConstructIOn Dredgmg $2,400,000 $0 $1,800,000 $600,000
2012/2013 Design Plans/Specs $100,000 $0 $75,000 ' $25,000
Momtonng Phys ~38,OOO ~O ~28,500 $9,500
2013/2014 Construction Dredging $300,000 $0 $200,000 $100,000
Monitoring Phys $38,000 $0 $28.500 $9.500
2014/2015 Design Plans/Specs $100,000 $0 $75,000 $25,000
MOnitOring Phys $38,000 $0 $28,500 $9,500
2015/2016 Construction Dredging $1,200,000 $0 $900,000 $300,000
Momtonng Phys ~38,OOO $0 ~28,500 $9,500
2016/2017 MomtoTlng pnys ~j~,UUU ~U , ,
2017/2018 MomloTlng Phys ..
20t8/2019 MOnItormg Pbys . .. .
2019/2020 MomtoTlng J'hys . .
Mappin!!- Maps arc provided as attachments alon!! with ownership.
Length of Project Boundary in Feet: This is all Inlet ~.1a..'1agement Project, but public parks
stretch over a mile in either direction,
Length of commercial or recreational property fronting the project shoreline:
All adjacent shoreline is public park,
Percentage of project shoreline designated as commercial or recreational property
100%
Eligibility: Access Points and Public Lodging Establishments:
Adjacent beaches are Parks
Inlet/Additional Rankin!! Criteria
Will this project enhance or increase the longevity of a previously- constructed project?
Yes
Beach Quality Sand
An estimate of the annual quantity of beach-quality sand reaching the updrift boundary of the
improved inlet channel. Estimated volume receiving 1 point per 10,000 CY with maximum of
10 points.
20,000 CY based on dredging records 2 Points
Agenda Item No, 16D13
December 14, 2010
Page 35 of 39
Collier County
Long Range Budget Plan
FY 11/12 - Wiggins Pass Inlet Management Plan Implementation
Severity of Erosion
The severity of the erosion to the adjacent beaches caused by the inlet and the extent to which the
proposed project mitigates the erosive effects of the inlet. Severity of erosion for down drift area
of erosion calculated on average rate of erosion since 1972 at 2 points per foot with maximum of
10 points.
Down drift (RI4-RI6) erosion has averaged 6.1 ftIyr since 1978. 10 Points
Overall Significance and Anticipated Success
The overall significance and anticipated success of the proposed project in balancing the
sediment budget of the inlet and adjacent beaches and addressing the sand deficit along the inlet-
affeeted shoreline. Balancing the sediment budget: Divide the average shoreline recession since
1972 of adversely impacted beach by the average dcsign width to be restored and maintained
multiplied by 10, for a maximwn of 10 points.
Average shoreline recession of6.1 feet and an average desigriwidth to be restored of
15.6 feet. 3.9 Points
Bypassing Activities
The extent to which existing bypassing activities at an inlet would benefit from modest, cost-
effective improvements when considering the volumetric increases from the proposed project,
the availability of beach-quality sand currcntly not being bypassed to adjacent eroding beaches,
and the ease with which such beach-quality sand may be obtained. Cost effective alternatives:
Cost per CY to bypass before project improvements divided by cost per CY after multiplied by 5
for mmtiml1m of 10 points,
Increase 4,400 cy/yr 5 Points
Interest and Commitment of Local Governments
The interest and commitment of local governments as demonstrated by their willingness to
coordinate the planning, design, construction, and maintenance of an inlet management project
and their financial plan for funding the local cost-share for initial construction, ongoing sand
bypassing, channel dredging, and maintenance, Dedicated long term funding source for inlet
management: 5 points, Dedicated staiT for beach and inlet management: 2 points, 75% or better
compliance and correct billings: 3 points.
8.5 Points
Previous Completion or Approval
The previous completion or approval of a state-sponsored inlet management plan or 10cal-
government-sponsored inlet study concerning the inlet addrcssed by the proposed project, the
ease of updating and revising any such or study, and the adequacy and specificity of the plan's or
study's recommendations concerning the mitigation of an inlet's erosive effects on adjacent
beaches. The 1995 and Strategic Management Plan are the basis for current practices,
A new plan is in progress,
5 Points
Agenda lIem No, 16013
December 14, 2010
Page 36 of 39
Collier County
Long Range Budget Plan
FY ] ]112 - Wiggins Pass Inlet Management Plan Implementation
Performancc Enhanccmcnt
The degree to which the proposed project will enhance the performance and longevity of
proximate beach nourishment projects, thereby reducing the frequency of such periodic
nourishment projects, Increased nourishment interval estimated for down drift beach: I point per
year with maximum of 5 points.
2.0 Points
Proiect Bcnefits:
The project will attempt to reestablish the historic shoreline and the ebb shoal size. Also, Gopher
tortoises utilize Barefoot Beach for nesting purposes although none of the areas within the
project area have been designated as a turtle refuge.
Periodic dredging and bypassing has taken place at Wiggins Pass in recent decades. The total
volume of sand bypassed to adjacent beaches from maintenance dredging has been 498,650
cubic yards since 1984. Approximately 260,937 cubic yards of that fill has been placed to the
north, with the remaining 237,713 cubic yards being placed to the south of the inlet. The ratio
needs to be shifted to approximately 2.6: 1 in favor of the north,
Use of Innovative Applications of existine: technoloe:ies:
Maintain natural alignment after implementation and use of intermediate (surgical) dredge events
to delay major dredge events.
Drede:ine: Interval (vcars):
4
Project Performance:
Wiggins Pass was designed to be dredged at regular intervals of approximately 3 to 4 years but is
currently dredged at regular intervals of approximately 2 years or less to maintain navigable
depths for recreational boaters. The dredge chmmel extends from the inlet throat to about 1,200
feet offshore, Periodic dredging has occurred at the intersection of the interior channels. The
inlet has been dredgcd sincc 1984 under two previous permits, secured by the County with a
local consultant
Since maintenance dredging began in 1984, the overall erosion has increased along with the
magnitude of erosion experienced at beaches to the north, Intially, the beaches to the south were
erosional through the early 1990s. Since 1992, the shoreline north of the inlet at Barefoot Beach
has retrcated on average approximately 87 feet. The worst area of erosion is occurring at R16,
where, sincc 1992, it has lost approximately 437 feet of shoreline.
Overall, it appears that the current maintenance dredging practices are not properly addressing
the northern losses at Barefoot Beach nor the stability of the dredged channeL Historic reports
indicated that sediment transport was from north to south, and erosion was higher south of the
inlet between 1957 and 1979. However, the recent vo1wnetric data contrasts with that belief.
From 1979 to 2009, the area north of Wiggins Pass (RII to R 16) eroded 252,926 cubic yards,
while the area south of the inlet has accreted 49,603 cubic yards, Prior to 1979, before
maintenance dredging, the erosion accretion pattern was reversed, with the north accretionaL
Agenda Item No. 16013
December 14, 2010
Page 37 of 39
Collier County
Long Range Budget Plan
FY 11/12 - Wiggins Pass Inlet Management Plan Implementation
Using these values along with the historic shoreline changes, it appears that more sand needs to
be disposed of at the north during maintenance dredging to reduce erosion on Barefoot Beach.
The amount of dredge disposal north and south of the inlet has been nearly equal since dredging
began in 1984. Lately, the trend is towards north disposal since 2001. An analysis was made to
calculate the disposal balance needed to make each area have an equal erosion rate. As an
example, the areas south of the inlet (R17 to R21) showed a gain of almost 50,000 CY since
1979, while the area north of the inlet (RII to R16) lost 253,000 CY. To equalize the rate of
volumetric change in these areas since 1979, disposal volumes should have been 2.7 times
greater to the north (Barefoot Beach Park) than the south (Delnor Wiggins Park). This is a major
shift over past practices. Ultimately, this bypassing ratio should equalize stability of the
shoreline north and south of the inlet.
Navigation will be improved by straightening the channel through the flood and ebb shoal,
reducing the need for dredging. Boaters have difficulty finding the channel in the S-shape
natural alignment. The S-shape is caused by a long term natural process. Human engineering
factors are needed for improved channel design.
Is tbis project being planned or constructed in cooperation with another local government?
Explain'! No
. .
Collier County
Long Range Budget Plan
FY 11112 - Wiggins Pass Inlet Management Plan Implementation
ATTACHMENT A
FUNDING ELIGIBILITY
Wil!l!ins Pass Inlet Manal!ement Plan Implementation
2009 Project Boundaries:
Project Boundary: Rl6 south ofRI7
Public Access
Delnor Wiggins State Recreation Area'
Barefoot Beach
On-site
Spaces
340
100+
Area determined to be publiclv accessible
Both adjacent shorelines
Area determined to be criticallv eroded
Rl4 to R16.3
'I?uul.nfT Dat",.
.IL ......."".......""'............""'.
75% forlMP
Adjacent
Spaces
o
Agenda Item No. 16013
December 14, 2010
Page 38 of 39
Total
Spaces
340
100+
,
GcjJO fit: 8licd
o ~.UG 't~ I. J~lqlUi:Y\~j(]
~:~r]91 .(lt~ IU~~ll !'PLJ~)hv
Noles'
1. Coordlnal.. or" on "'at ba...r On I~e Flond.
St3l"PL.:m~CQo'd,~a," S"lam,[.':Zo,-,.
NorthAmericanDiltumo11983. (NAD83)
2,OotecfAerlaIPho!ography:2009
3,Publ'cly.OwnedPr~p"rtyaMBe"cI1Holels
ano F1eso~ Condos provided byt~e
Coll,e, County GIS o..partmenl
!
Leaerld:
P'oiectBounda"e.
Publicly-OwnedP,ooeny {Be.~hl\.ccns)
DStaleLand
CJ8eaCllDisposalArea
DD'edgeAIea
","",C'ilical E,o.ion Area
... FDEPMonuments
...,.........-...,.......
........_no........,
....."'.....,.."
----
o 3~O 71){)
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lj",,"'1,aOOfoel
CorHerCounty Beach
LOllg Rarlg6&1ach Plan
WiggIns Pus
IrlllltMllrlagllmllrltPlilnlmplentatlon
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