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PBSD MSTBU Agenda 06/16/2025PELICAN BAY SERVICES DIVISION Municipal Services Taxing & Benefit Unit NOTICE OF PUBLIC MEETING JUNE 163 2025 THE CLAM BAY COMMITTEE OF THE PELICAN BAY SERVICES DIVISION BOARD WILL MEET AT 9:00 AM ON MONDAY, JUNE 16 AT THE PELICAN BAY SERVICES DIVISION, TRUIST BUILDING, SUITE 102, LOCATED AT 801 LAUREL OAK DRIVE, NAPLES, FLORIDA 34108. AGENDA 1. Pledge of Allegiance 2. Roll call 3. Agenda approval 4. Audience comments 5. Clam Bay survey report 6. Options for long-term resiliency of the beaches 7. Possible follow-up discussion from the June 11 PBSD Board meeting 8. Adjournment indicates possible action item ANY PERSON WISHING TO SPEAK ON AN AGENDA ITEM WILL RECEIVE UP TO THREE (3) MINUTES PER ITEM TO ADDRESS THE BOARD. THE BOARD WILL SOLICIT PUBLIC COMMENTS ON SUBJECTS NOT ON THIS AGENDA AND ANY PERSON WISHING TO SPEAK WILL RECEIVE UP TO THREE (3) MINUTES. THE BOARD ENCOURAGES YOU TO SUBMITYOUR COMMENTS IN WRITING IN ADVANCE OF THE MEETING. ANY PERSON WHO DECIDES TO APPEAL A DECISION OF THIS BOARD WILL NEED A RECORD OF THE PROCEEDING PERTAINING THERETO, AND THEREFORE MAY NEED TO ENSURE THAT A VERBATIM RECORD IS MADE, WHICH INCLUDES THE TESTIMONY AND EVIDENCE UPON WHICH THE APPEAL IS TO BE BASED. IF YOU ARE A PERSON WITH A DISABILITY WHO NEEDS AN ACCOMMODATION IN ORDER TO PARTICIPATE IN THIS MEETING YOU ARE ENTITLED TO THE PROVISION OF CERTAIN ASSISTANCE. PLEASE CONTACT THE PELICAN BAY SERVICES DIVISION AT (239) 252-1355. 6/10/2025 2:11 PM CLAM PASS MAINTENANCEPROJECT COLLIER• FLORIDA 2025 MONITORINGPLANS $NEU INDEX LOCATION MAP I. SITE FUN AND SURVEY SCOPE 2. CROSS SECTION TYPICAL EXCAVATION 3. CROSS SECTIONS NUET 6. CROSS SECTIONS NEXT 7. CROSS SECTIONS GET S. CUSS SECTIONS INNER CHANNEL I. CROSS SECTIONS INNER CHANNEL H& CROSS SECTIONS INNER CHANNEL It. CROSS SECTIONS OMER BAY 12. CROSS SECTIONS OTHER BAY PROJECT aL�AEIN CUM PASS m HAND Mall MEP PERMIT NO. 0296037-001-JC USAGE PERMIT HOb SAI-1996-02189 191� l i s REUCTIONSHIP BETWEEN DAVIS IMM, MOM v 1929, MEAN HIGH WATER, MEAN LOW . l i'wf`f YYYY ry7+ HEXICO .y 1 }, 1� `WATER TIDAL DATUM (1983-200t EPOCH).WATERS AND THE MEAN LOWER LOW JLABINS TIDE STATION 'NAF�ES—GUUIF OF t. AERIAL PHOTOGRAPH TAKEN DECEMBER 2022 AND PROVDISO COURTESY OF COLLIER COUNTY PROPERTY APPRAISER. AERIAL MOORE ENGINEERS. 2. COORDINATES 3. ELEVATIONS SHOWN ARE IN MET BASED ON THE NORTH AMERICAN VERTICAL DATUM OF 19118 (HAVDaS) --SOS STRAND COOK 4. THESE DRAMMS SHALL NOT HE CONSIDERED VALID FOR CONSTRUCTION PURPOSES UNLESS SIGNED AND SEALED. IN ful!�Mbvglm "�"al 9� 441 TO 5. AUTHORIZED BY ON PERMIT NUMBER 0295087—OOt—JC AS MODIFIED THROUGH 029"87-007—JN AND USACE PERMIT FAX7 239) 594-2025 �lmmmvnffmv® 7dCC��°RI Agenda Item N5 Page 2 of 13 34110 FAX: (239) 594-24-2025 HONE: (239) 594-2011 ww.humisfonandmoare.com TYPICAL DREDGE CUT FOR INLET STATIONS (0+00 TO 3+64.5) (STATION 1+50 SHOWN FOR REFERENCE ONLY) +av (a[rea TO srATIOnnon raorncs) BE TO EXISTING BEACH SCONSTRUCTION acncx raorac (vnai[s) �n' oEsicn cur a uxw e°GK sown' BANK uxW +o v xnvO (i c xcvo) n[W —, 6e HAVE) FILL AREA AS FIFTH CE aERY FOR xCACN NGRADING BEACH COMPATIBLE TEMPLATE TO BE P r Onsao ax rx user nu¢ msx vEar cu onnu or isae (xnvoee). GRADE ESCURPOEFTS AT LANDWARD EDGE OF FILL TO MINIMUM SLOPE 1 4 OR PLATTER TO BE sxnvco as PrrEccssnav AVID 05 OVER DEPTH ALLOWANCE oax.E DwR R...,NN Dan o,.,wa aa,r •,..WG Tam w:,.wa AWN MUTUAL Lm Reu,« rRON.Aw LEGEND I ELEVATIONS SHOWN ARE IN ON THE NORTH AUERIcsu =EXCAVATION 5 NAVDeejsco VERTICAL DATUM OF 3C TIME A, STATIONS -1400 THROUGH -3400 SHOWN FOR REFERENCE ONLY BASED PROFILES ON SURVEYS CONDUCTED BY PARK COASTAL SURVEYING, - Os -TEMPLATE OR/zs/mz ERORUASr — 02/03/2025 FOR SURVEY Ax TAB Arm NOUN IIAD _,AD -Ow All r.ou PALMS:NumNNINNINNINNI LAM PASS - 2025 MONITORING t"PUBS, BE SAHIB CAN BAY SERVICES DIVISIOD IN I� Rxr..a..o. ,�wE urm «m LEGEND ®EXCAVATION NOTES I ELEVATIONS SHOWN ARE ON THE NORTH AMERICAN FILL VERTICAL DATUM OF Re (RANDOM).m UR/25/202, - SURVEYING, rERRUARY ants. °xoucrco or r.Rx co.s,u C °z /2GaATE L = ? �( gun < z C WON MAY VIV EAT WTUT. INTAKE "coil em[uN (MAN J om v moil eu¢wa p¢p m1 IRMA s_ J )nus[ rwu ers[w[ nA gam SEA 74w mm" DRUM msmAm (GOT tl- tl� MIAMI usrma mail w[w[ (rtm 3 LEGEND ® EXCAVATION ON THE MNx1N AMERICAN TULL VERTICAL DATUM OF ei (xivoe I). 2. DISTANCES SHOWN IN FEET. TEMos/ELATE 3. PROFILES BASED ON SURVEYS ii/mir sxxverixc. FEBRWKY zazs. exoum[o Kr esxK caEsur oz/oi/zoz Om WATH t 3 A,.xIN Nox °uxx° MATTVA il+W , do LEGEND ® ax seo _FILL EEVERTICAL OATUM OF weej2. DISTANCES SHOWN IN T. TEMPLATE 3. PROFILES BASES) ON SURVEYS xouc os/i,/mSURVEYING,suEvixc. FEBRUARY xoze. ox/01/zox `✓ N]mpcc MY. Awl lQ)xLI CHAT. jound AT TAIS WINAKEM.. LEGEND ® nox ory rxc xoprx .vExiczx _ FILL VERTICAL DATUM OF 1988 EET. voeaj2. DISTANCES SHOWN IN seo orvoucrco et PARK COASTAL ns/.i/zai SURVEYOR, FEBRUARY zozs. 02/03/2025 PCs SURVEY OURMUSIS N Stratil none (am Sol SAYA1497 oLkon in Iwo ON ISINO 337AIRS5 (Points in two SO SOL? 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PEEBLES BASED ON SURVEYS CONDUCTED BY PARK COASTAL SURVEYING. c CIA ODD -M WEST PoOFF EP FINANCE AD. RASBU A ,TE» STA MESA �< NET AEV DATAYA: REM ARCANE (CUT BE i 5 LAW WTV BALANCE RAN .a RA cPom LEGEND MAY 2017 MONITORING NOTES 1. ELEVATIONS SHOWN ARE IN r BASED ON THE NORTH AMEa CAN VERTICAL DATUM OF TIRE (HARRIS). HUMISTON C z. PROFILES$ SHOWN N nnwnR5679 STRA D CARAT •FEET - B R. PROFILES DnscD BIT Suavcvs conDvcr�D Dr URVE vnax consiA. SURVEYING. RNaMRRRS loa v EL CAN BAY s[aV VICESDv5p1 r v AAIT �2�9) ss4 ioxs on:w D zl [: p< zR •fE s . BGEORGEARADS tE. SHOWN PROBE' (zss) ss.-rzpxT Agenda Item #6 Page 1 of 2 Discussion Memo for Clam Bay Committee Meeting June 16, 2025 This memo is intended to foster discussion whether and to what extent we can "do better" to protect our beaches from the ravages of tidal erosion, storm surge, wave action, and other natural phenomena. It does not represent any particular view or recommendation; it is merely an attempt to catalog the options we and others have used. We can discuss which, if any, we would consider and possibly suggest for further study. There are several strategies to protect beaches. Coastal communities world-wide employ one or more methods. Each method has its advantages and drawbacks, and the best approach depends on local conditions, environmental impact, cost and funding issues. Beach Nourishment is the process of adding sand or sediment to eroding beaches to restore their natural state. It is considered a "soft armoring" technique that works with the environment rather than against it. This is the principal method used by the communities of southwest Florida, including Pelican Bay. A public commentator at the June 10 County Commissioners meeting suggested that the County should consider more frequent nourishment than the current five-year cycle, and extending the template to create broader beaches (our template is essentially 85 feet from the coastal control line). Should we seek to support these initiatives? Are there other changes to the current beach renourishment program that would be cost effective? We have previously discussed using off shore sand as distinct from the lighter "specification" sand that must be trucked from off -site, at least to provide a stronger base over which we would use specification sand. We have been advised that there is no near- by approved source of off -shore sand and that the cost of mobilizing the necessary dredge equipment itself can run into the millions of dollars. Nonetheless, should we be seeking changes to the current beach nourishment program. Dune Restoration means restoring and strengthening dunes with vegetation or artificial barriers to absorb storm surges and prevent sand loss. This is the second "natural" means we have to protect our beaches, and also provide storm surge and flood protection. Currently we seek to use sand available to us from the displacement of last season's hurricanes to build up the dunes to a height of seven feet (if possible) and to plant with appropriate vegetation. Should we be looking at a different design criterion, especially around the beach facilities (Marker 36 and South Beach)? What are the advantages, limitations, and cost implications of such a strategy and how effective are they in the event of an Ian -like event? Naples Botanical Garden, in collaboration with Florida Gulf Coast University, is studying beach dunes and developing restoration strategies using native plants. Our consultants generally recommend the mix of plants that are most suitable to our environment. Agenda Item #6 Page 2 of 2 Living Shorelines means using natural elements like mangroves, marshes and oyster reefs to stabilize coastal areas while maintaining ecological balance. Pelican Bay is the community that has the unique opportunity and responsibility to use our mangroves and tidal uplands to protect our community. While the mangroves do not directly protect our beaches, they do absorb energy and storm surge thus minimizing the effects on the beaches themselves. We have explored creating oyster reefs, but our water quality does not yet support that initiative. We can and should be constantly open to improved methods of maintaining and enhancing our mangroves. We are not alone in relying on the living shoreline approach. Cities like Charleston and Tampa use the living shoreline approach to enhance coastal resilience Engineered Alternatives. Many communities use man-made engineered structures to protect their beaches. We, in Pelican Bay and throughout Collier County, have made it clear to the Corps of Engineers and others coastal players that we much prefer "natural" solutions. Nonetheless, they are included here for completeness, and to at least open the discussion to whether there is any appetite in the community for any of these in any location. • Seawalls and Bulkheads: These hard structures act as barriers to prevent waves from eroding the shoreline. However, they can sometimes accelerate erosion in adjacent areas. The City of Naples uses these and is replacing and constructing seawalls at multiple beach ends to protect against erosion and storm surges. These seawalls include buried toe -scour rock revetments to enhance stability. These structures are common in places like Miami and New York. Of course, Pelican Bay beaches are part of the NRPA and seawalls and bulkheads are antithetical to our natural environment. • Groynes and Jetties are man-made structures usually of stone or concrete that extend perpendicular to the shore into the water to trap sand and slow down erosion by interrupting water currents. They, too, tend to accelerate erosion on the "far" side of structures. They have been used for centuries, dating back to Ancient Egypt. • Breakwaters: Offshore barriers reduce wave energy before it reaches the shore, minimizing erosion. Los Angeles uses offshore breakwaters to reduce wave energy and prevent sand loss. We have naturally occurring sand bars which grow and shrink in response to tidal action, winds, and storm events. Doubtful that we would ever try construct a breakwater, but it is included here for completeness of discussion.