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CAC Agenda 10/14/2010 R MEETING AGENDA & NOTICE MEETING AGENDA & NOTICE COASTAL ADVISORY COMMITTEE (CAC) THURSDAY, OCTOBER 14, 2010 - 1:00 P.M. TURNER BUILDING (Administrative Building F, 3rd Floor Collier County Government Center, 3301 E. Tamiami Trail, Naples) . Sunshine Law on Agenda Questions PUBLIC NOTICE I. Call to Order II. Pledge of Alleg.iance III. Roll Call IV. Changes and Approval of Agenda V. Public Comments VI. Approval of CAC Minutes 1. September 9. 2010 VII. Staff Reports 1. EXDanded Revenue Report - Gary McAlpin 2. Project Cost Report - Garv McAIDin 3. FEMA Reimbursement - Update 4. Clam Bay Activities - Work Team with Foundation - Agenda/Foundation Summary - Development of a Work Plan/Master Plan * Water Sampling * Sediment Analysis * Modeling * Dredging Permit for Tidal Flushing - Channel Marker s. Wiggins Pass Activities - Contract RFP for Completion of Channel Straightening Permit Activities - Maintenance Dred9in9 Permit - Navi9ation Improvement/State Park Comments 6. Upcoming Project Timing * Emergency Renourishment * Wiggins Pass Maintenance Dredge * Doctors Pass Jetty 7. Collier County Dune Restoration Sea Oat Monitoring VIII. New Business 1. Presentation Jack Wert TDC Funding Ootions for Year Round Advertising 2. Summary of Renourshment Program and Costs 3. Sediment Study Clam Bay 4. RFP Wiggins Pass Navigation Improvements Completion S. Work Order Emergency Dredging/Maintenance Dredge Wiggins 6. Work Order Doctors Pass Jetty 7. Work Order FY 2012/13 Renourishment Studies 8. Cancellation of Clam Bay Subcommittee IX. Old Business 1. Peer Review Discussion/Direction X. Announcements XI. Committee Member Discussion XII. Next Meeting Date/Location November 10, 2010 - Government Center, Administration Bldg. F, 3rd Floor XIII. Adjournment All interested parties are invited to attend, and to register to speak and to submit their objections, if any, in writing, to the board prior to the meeting if applicable. For more information, please contact Gail D. Hambright at (239) 252-2966. If you are a person with a disability who needs any accommodation in order to participate in this proceeding, you are entitled, at no cost to you, to the provision of certain assistance. Please contact the Collier County Facilities Management Department located at 3301 East Tamiami Trail, Naples, FL 34112, (239) 252-8380. Public comments will be limited to 3 minutes unless the Chairman grants permission for additional time. o T""" o NV) -1:: ~ 0 T"""a. ~ID <un:: ~~ c: T""" o ..... o N I en o o N >- U. t:: o c. CIl 0:: CIl ::s c CIl > CIl 0:: )( III l- +' Ul ';: ::s o I- c .!! ~ .. o 0: .....- ......... a_... ~"a"': ... N ., a a.. :!..~~ ......... fl c .!!! ;; > ~Il~ ! .. ::l ~ q; .. ::l C C q; .. ~ -;; :; E E ::l o - en ..... 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"" l.O o C) It) C1) .... 00 ...J ~ o I- CAC October 14, 2010 VII-3 Old Business 1 of 1 Collier County Government Communication & Customer Relations Department 3301 East Tamiami Trail Naples, FL 34112 Contact: (239) 252-8848 www.colliereov.net www.twitter.comlCollierPIO www.facebook.comlCollierGov www.voutube.comlCollierGov Oct. 6, 2010 FOR IMM:EDIATE RELEASE Collier County Receives Nearly $10 million in FEMA Reimbursement for Storm Damage Collier County has received reimbursement of $9,775,000 from the Federal Emergency Management Agency (FEMA) for storm damage that occurred during Hurricanes Katrina and Wilma in 2005. The county appealed FEMA's originally authorized reimbursement on the grounds that the individual storm reimbursements did not accurately reflect th~ total expenditures required to repair the damage and erosion that occurred along the county's beaches as a result of Tropical Storm Gabrielle in 2003 followed by the 2005 hurricanes. Until FEMA approved the county's appeal, authorized funding reimbursement for all three storm events totaled approximately $10 million. Still pending is the county's appeal for $11 million in damage reimbursement from Tropical Storm Gabrielle. A 2006 beach renourishment added nearly 700,000 cubic yards of sand to the beaches extending from Vanderbilt Beach south to the City of Naples's beaches. The $23 million project was funded by tourist tax dollars. The South Marco Beach renourishment added another 180,000 cubic yards of sand at a cost of$1.8 million, The reimbursed FEMA funds have been placed in the county's beach renourishment reserve account. For more information, contact Coastal Zone Management Director Gary McAlpin at 252-5342, -End- CAC October 14, 2010 VII-4.a Staff Reports 1of4 October 2, 2010 An Update on Clam Bay By Steve Feldhaus, Foundation Secretary As reported at the August and September Foundation Board meetings, Jim Hoppensteadt and Steve Feldhaus had a potentially historic meeting on June 30 with Marla Ramsey, Administrator of Collier County Public Services, and Gary McAlpin, Director of Collier County Coastal Zone Management (CZM). The purpose of the meeting was to determine whether the Foundation and Collier County could find a way to work together on Clam Bay and particularly on a ten year permit and management plan for Clam Bay. I am pleased to be able to report that we reached a preliminary and tentative agreement, although there is much work that remains to be done to flesh out the particulars and to ensure that the key players on both sides are on board. And while nothing will be final until an agreement is reduced to writing and formally agreed by both the Board of County Commissioners and the Pelican Bay Foundation Board, which will take months to put together assuming that there continues to be support for this endeavor at the Board levels of the County and the Foundation, we agreed to begin immediately to work together on the scientific issues underlying the permit and management plan. On September 8 the Foundation's coastal engineering and environmental consultants met with the coastal engineering and environmental consultants of the County (also present were Marla Ramsey, Gary McAlpin, Jim Hoppensteadt, and Steve Feldhaus) to discuss what studies of Clam Bay are required, how and when they should be conducted, how to move forward with the dredging permit for Clam Pass, what should be included in an agreement between the County and the Foundation, how to fashion a management plan for Clam Bay, etc. This was an extremely positive meeting, County staff and their consultants shared their data on and plans for Clam Bay, and we had a vigorous and productive discussion about all Clam Bay issues. A few particulars from this meeting are discussed below. This is a groundbreaking endeavor. On our part, the Foundation is recognizing the legitimate role of the County to be involved in the management of a key County resource. We are also recognizing the legitimate role of the other stakeholders in Clam Bay and in the larger coastal estuary system, including the residents of Seagate and the City of Naples. On its part, the County is recognizing the legitimate role of the Foundation as the party entrusted by the 1982 Declarations to protect and preserve Clam Bay, both for the benefit of our members and for the residents of all of Collier County. The proposed resolution will not, however, be based upon the 1982 Declarations nor will it involve an acknowledgement by the County that the 1982 Declarations apply to the submerged lands of Clam Bay, a main point of contention between us, Instead, we propose to agree, in a binding document, to joint management of Clam Bay under the permit and a ten year management plan, with a provision for efficient and fair dispute resolution in the event we are unable to reach agreement on scientific or policy issues with respect to that management. Our proposed resolution does not resolve the red and green lateral navigational marker issue, although I would note that it may well be a harbinger of the possibility of a resolution yet to come. For now, we are going to continue to disagree on that issue, and each party will retain all their full legal rights with 1 CAC October 14, 2010 VII-4.a Staff Reports 2of4 October 2, 2010 respect to that issue. The Foundation will continue to pursue every regulatory avenue to stop these markers from ever being installed. While the "contracting party" with the County will be the Foundation, the Foundation will want to ensure that Pelican Bay speaks with one voice on this endeavor. The Foundation has already begun the process of seeking the input of the Pelican Bay Services Division, the Pelican Bay Property Owners Association, and the Mangrove Action Group. I would expect that the Foundation will continue to seek broad community input on this proposed resolution of what has been a sometimes bitter dispute between our community and the County over Clam Bay issues, At our September 8 meeting, we discussed (1) water quality issues, (2) the results of sediment studies, (3) possible circulation/flushing modeling, (4) the dredging permit application, and (5) possible components of a Collier County/Pelican Bay Foundation agreement on joint management of Clam Bay. Our discussion of water quality issues began with the statement by Gary McAlpin and the County's consultants that they believe that the Pelican Bay Services Division has done an outstanding job of managing Clam Bay. We looked at the October 2009 Clam Bay Report prepared by PBS&J, which recommended water monitoring, a sediment study, and consideration of a water circulation/flushing modeling program. We went through the history that led up to that report, as well as the federal and state water quality issues that are going to affect Clam Bay, Mr. McAlpin noted that Pelican Bay's storm water runoff system, which is managed by the Pelican Bay Service Division, is very efficient, The inescapable fact is that all of the County's coastal watershed system, including Clam Bay, is likely to be considered as impaired by the Florida Department of Environmental Protection (DEP) for dissolved oxygen (DO). Mr. McAlpin's plan for dealing with this is (1) to collect reliable data for each area (waterbodies are identified by DEP by their unique waterbody identification (WBID) number, and are known colloquially as WBIDs), (2) to develop a site specific plan for each WBID, and (3) convince the DEP that such site specific plans are the appropriate way to manage each WBIP, and (4) then stick with the plan for each WBIP going forward, There is some flexibility in defining the contours of a WBID, Currently Collier County has four WBIDs in its coastal estuary system: (1) Vanderbilt Bay and to the North, (2) Clam Bay to Moorings Bay to Doctors Pass, (3) Naples Bay, and (4) Rookery Bay. ClM has 18 months of good data for Clam Bay, and the City of Naples has four years of good data for Moorings Bay, data that can be combined should that prove to be desirable or necessary. One of the issues we will address going forward is whether Moorings Bay and Clam Bay should be part of the same WBID. ClM is taking 9 samples a month from Clam Bay, 3 from Upper Clam Bay, 3 from Middle Clam Bay, and 3 from Lower Clam Bay. The samples are taken each month on the same day and at the same tide cycle, The data analysis, which is quite expensive, is done by ClM's own labs. Mr, McAlpin made the statement, with which everyone agreed, that water quality issues are generational, that is, they need to be dealt with in the context of a very long time frame, But before any plan can be developed to deal with them, accurate and reliable data must be collected, and that is what the County has been doing for the past two years in Clam Bay and throughout the County. The good 2 CAC October 14,2010 VII-4.a Staff Reports 3of4 October 2, 2010 news is that the data collected to date do not show harmful nutrient loading in Clam Bay. The data do show that DO levels are low, but it is possible that these low levels may be the natural equilibrium levels of Clam Bay. Perhaps not surprisingly, because of much stronger tidal flows, Moorings Bay appears to be much less impaired than Clam Bay. It must be realized that there can be a disconnect between water quality and biology, since DEP characterizes systems by water quality only, without taking biology into account, Thus a WBID can be characterized by DEP as polluted and have wonderful wildlife, While we don't yet have enough data to know whether Clam Bay will fail to meet the DO standard, or the chlorophyll standard, earlier data suggested that it would fail at least the DO standard. CZM wants to be able to propose to DEP a Clam Bay site specific alternative DO criteria, and, if it turns out to be applicable, chlorophyll criteria, in lieu of the DEP criteria, One of the issues in developing a site specific plan for the Clam Bay WBID will be what is it we are trying to protect. The PBS&J representative said that he had never found seagrasses in Clam Bay outside of Upper Clam Bay. Mr. McAlpin stated that he felt that seagrasses would be unlikely to be the controller in Clam Bay. One possible conclusion is that whatever is stressing Clam Bay, that is, causing it to fail to meet DEP water quality criteria (if that is what the data ultimately shows), may not be water related. We also spent a great deal of time discussing what the sediment of Clam Bay looks like, and what studies have previously been done on this subject, including a 1977 EPA study, a 1987 County study, and a 1997 Clam Bay NRPA Annual Report conducted by the County, We also looked at the recent sediment study conducted by PBS&J, which found that we do not have any runoff causing toxicological problems in Clam Bay. There was only one place in a Seagate canal that had an elevated level of metals, and the problem was not that severe. Sediment however can be a problem even if not toxic if it is accumulating. CZM hired a team from LSU to do a study on this issue within Clam Bay. The issues are quite technical, involving determining the level of either Lead 210 or Cesium 137 in the sediment (Cesium 137 was deposited worldwide in the 1960's when there was a spike in atomic bomb testing, and by determining where in the layers of sediment the Cesium 137 is located, you can determine ,how much sediment has been added since then), The bad news was that you need organic content to be able to use these techniques, and the organic content of the sediment in Clam Bay was not high enough. The good news is that this is additional evidence that there is no nutrient loading problem in Clam Bay. The bottom line is that today we do not know how fast sediment is accumulating in Clam Bay, and thus what if anything needs to be done. We also do not know whether the fine grain sediment in Clam Bay accumulated because of the activity of men or whether it would have happened naturally, as a result, for example, of the limited tidal flushing in Clam Bay, We also do not know whether, if the tidal flushing were improved, there would be any marked improvement in the DO level in Clam Bay. The basic principle is that the less fine grain sediment you have, the more biological diversity you attain. Marla Ramsey asked whether there has been a change in the wildlife in Clam Bay over time. The 1987 report looked at the amount of wildlife in Clam Bay, and the nature Conservancy is currently doing 3 CAC October 14, 2010 VII-4.a Staff Reports 4of4 October 2, 2010 another study (financed by the Foundation, the Pelican Bay Property Owner's Association, and the Mangrove Action Group), which will give us data to compare to the 1987 report, As Mr. McAlpin stated, the issue is whether the fine grain sediment in Clam Bay is a problem, what criteria one should use to make this judgment, and what if anything can be done about it if it is a problem. We discussed, for example, that it may prove to be more important to control the runoff of fine grain sediment into Clam Bay than to try to deal with it once it is there. We agreed that we do not have enough information now to judge whether a flushing program is needed, or whether it would do any good in any event. We agreed that CZM is going to continue to collect data on this issue, especially historical data, to see what changes might have been taking place in Clam Bay over the years in levels of fine grain sediment and in wildlife. Our final discussion involved the County's dredging permit application for Clam Pass. The discussion revolved around what standard would be appropriate to trigger future dredging, which centered on Clam Pass closing to a degree narrower than an agreed cross section for some period of time, and whether the permit should address storm closures and storm related breakthroughs elsewhere in the Clam Bay system. We discussed a requirement of mutual agreement on the depth and width of any cut if dredging were to be triggered, with a further requirement that the Foundation's permission would be required for any dredging of the ebb shoal. We also discussed the need for a mitigation clause should excessive dredging erode the Foundation's property at South Beach. The dredging permit application discussion was extremely positive, and our experts are continuing to look at what an appropriate trigger for dredging would be. We left the September 8 meeting with plans to meet again in October, and are now aiming for a meeting on October 20th. As always, the devil will be in the details, and there is much work yet to be done. And yet however this endeavor turns out, the step the Foundation took on June 30 is emblematic of a reality that neither side can escape and that will be part of any ultimate resolution of our dispute with the County over the governance of Clam Bay-both the Foundation and the County have a legitimate seat at the table on Clam Bay matters. What we have tentatively and preliminarily agreed is one way to recognize that joint interest. We are both hopeful that we can implement our desired resolution, which is why we have agreed to begin working together on the science of Clam Bay immediately, but, if for some reason we fail to reach final agreement, we are still going to wind up working together in Clam Bay. To this observer, it makes more sense to do that voluntarily than to battle this out for years before the DEP, the Corps, the FFWCC, the USCG, the NOAA, etc., and, potentially, the courts. In closing, I would like to state that the June 30 meeting would not have been possible without the leadership and support of Leo Ochs, Collier County Manager, and John Sorey, Naples City Councilman and Chairman of the Collier County Coastal Advisory Committee. It is also fair to say that key members of the Foundation Board and the Board of County Commissioners, including its Chairman, Fred Coyle, endorse the goals that both sides are working to achieve. 4 CAC October 14, 2010 VII-4-b 10f3 Staff reports item #4.2 From: McAlpinGary Sent: Tuesday, September 28,2010 10:41 AM To: 'Feldhaus, Stephen'; Jim Hoppensteadt; ramsey-m; Tomasko, David A; Tabar, Jeffrey R; Steve Keehn; Douglas J, Durbin; Erik J. Olsen Cc: KeyesPamela; hatcher_m Subject: RE: Clam Bay/Pass Work Group - follow-up and next meeting All, Based on the following, plan on the next meeting of this work group to be on 10/20/2010 in eZM offices starting at llam. Agenda is attached. Doug, if you can get his message to your representative, that would be helpful. Thanks, Gary From: Feldhaus, Stephen [mailto:sf@feldhauslaw,com] Sent: Wednesday, September 22, 2010 7: 13 PM To: McAlpinGary; Jim Hoppensteadt; ramsey-m; Tomasko, David A; Tabar, Jeffrey R; Steve Keehn; Douglas J. Durbin; Erik J. Olsen Cc: KeyesPamela; hatcher_m Subject: RE: Clam Bay/Pass Work Group - follow-up and next meeting Gary, I haven't heard from Erik yet, but it looks like the 20th is best for Jim and me, and for Dan Hammond, who is Doug Durbin's colleague and who is up to date on the issues and will attend in his place. I will let you know as soon as I catch up with Erik whether this date works for him. Best, Steve CIRCULAR 230 NOTICE In accordance with Treasury Regulations, please note that any tax advice given herein (and in any attachments) is not intended or written to be used, and cannot be used by any taxpayer, for the purpose of (i) avoiding tax penalties or (ii) promoting, marketing or recommending to another party any transaction or matter addressed herein. CONFIDENTIALITY NOTICE This e-mail and any attachments may contain confidential information belonging to the sender which is legally privileged. The information is intended only for the use of the individual or entity named above. If you are not the intended recipient, you are hereby notified that any disclosure, copying, distribution, or the taking of any action regarding the contents of this e-mailed information is strictly prohibited. If you have received this transmission in error, please immediately notify us by return e-mail, then delete the original message. From: McAlpinGary [mailto:GaryMcAlpin@colliergov.net] Sent: Tuesday, September 21,20104:02 PM To: Feldhaus, Stephen; Jim Hoppensteadt; ramsey-m; Tomasko, David A; Tabar, Jeffrey R; Steve Keehn; CAC October 14, 2010 VII-4-b 2of3 Douglas J, Durbin; Erik J. Olsen Cc: KeyesPamela; hatcher_m Subject: Clam Bay/Pass Work Group - follow-up and next meeting All, The proposed next meeting date is October 13'" or 20'" with the agenda as outlined below. Please get back to me on which date your prefer and comments on my conclusions and the agenda. I would like your comments by 10/1/2010 so we can set the date and communicate the agenda to everyone. Clam Bay/Pass Work Group Agenda: 1. Water Quality Sampling and Data a, Review comments and discussion of the Collier County's sampling protocol and locations - Doug Durbin and Dave Tomasko b. Review and discussion of sampling results to date - Pamela Keyes and Dave Tomasko c. Relevant sampling data from Pollution Control and the City of Naples - Pamela Keyes d, Analysis timing discussion (significant data sample size to be meaningful) e, Timing to initiate discussion with FDEP on WQ standards for Coastal Estuaries and what information is likely needed. f. Integrate with the work Mac Hatcher is doing for the fresh water drainage basins 2. Sediment Analvsis kev Conclusions g. Metal contamination measured at ambient locations within Upper, Middle and Lower Clam Bays and the Seagate Canals with the possible exception of one arsenic sample in the Seagate canal are within recommended guidelines for residential bodies and are not problematic to the health of the estuary or the public. The 1979 study performed by Collier County was not collected at ambient locations which justifies the difference between point source and ambient locations, h. Aging of the sediment samples was not successful due to the low levels of organic compounds within the samples, The age of the sediment or the rate of sediment accumulation could not be determined by this test. Clam Bay does not appear to be impacted from loads of nitrogen and phosphorus in excess of its ability to assin:'lilate them. It also appears that these chemicals have not been problematic in this estuary since development in the 1950's otherwise they would have appeared in the sediment samples. It also can be concluded that Pelican Bay's stormwater treatment appears to remove much of the nutrient loads from its upland developed watershed, 3, Discussion topics relative to the Sediment Conclusions i. Clam Bay is an artificially manipulated system with the north and south boundaries closed or reduced in the 50's, 60's or 70's. Fine grained sediment has built up throughout the system generally thickest in areas with reduced circulation, Suspended fine grain sediment can inhibit light penetration into the estuary with possible effects on system biodiversity. Is the sediment buildup and suspension within the estuary problematic? Is it inhibiting Benthic life within Clam Bay. CAC October 14,2010 VII-4-b 3of3 j. Is the circulation impaired? What level of improved circulation and/or flushing would need to take place to reduce the suspended solids and also reduce sediment buildup in the system? k. Where is the sediment coming from and is it a negative factor to the health of the estuary? I. What action steps if any are required and/or suggested here? m. What would circulation modeling inside the pass tell us? 4. Tidal Flushing Permit n, Collier County has proposed that the permit for tidal flushing be granted on the modified basis as the previous permit and has made application to the State on that same basis (-5.5 feet deep and 80 foot wide at the mouth of the Pass), We have further stated that each dredging event would be based on the specific flushing needs at that time and would be designed to meet those requirements. What comments does the Pelican Bay Foundation have on this proposal? o. We have proposed a criteria to determine when flushing was required. What comments does the Pelican Bay Foundation have on this proposal? p, We have proposed that any changes to the permit as proposed above to what you term, "mining the ebb tide shoal" would need to be agreed to by the PB Foundation in advance and identify specific mitigation measures that would be undertaken by the County in the event of unforeseen erosion to the PB Facilities. What comments does the Pelican Bay Foundation have on this proposal? 5. Other Under Florida Law, e-<11all addr"sses are public records. If you do not want your a-mail address released in response to a public records request, do not send electronic mail 10 thiS entity. Instaaa. contact this office by telephone or In writmg. -< ... L. , CAC October 14, 2010 VII-4-c Staff Reports 1 of4 Florida Department of Environmental Protection Charlie Crist Governor Jeff Kottkamp Lt. Governor ---------"", ----..--"""'------ South District Office P.O. Box 2549 Fort Myers, FL 33902-2549 Mimi A. Drew Secretary CORRECfED LEITER October 8, 2010 Collier County Attn: Coastal Zone Management Department 3300 Santa Barbara Blvd. Naples, FI.34106 . Re: Collier County - ERP File No. 11-0295193-002-EE08 Dear Sir or Madam: This is to acknowledge receipt of your RAI response on September 20, 2010 and your application on March 10,2010 for. an Environmental Resource Permit, pursuant to Part IV, Chapter 373, Florida Statutes (F..S.), and an authorization to use state-owned submerged lands, pursuant to Chapters 253, F.S., to install one (1) navigational pole marker/ informational message: (Idle speed no wake all of Oarn Bay, local knowledge required, keep lookout for boaters arid swimmers, resume normal safe operation), eight (8) navigation buoys~ two (2) idle sp~d no wake sign attached to an existing bridge, three (3) info~tional pole markers: Caution, keep lookout for boaters and swimmers, and two (2) navigational pole markers/ informational message: (Idle speed no wake all of Garn Bay and local knowledge required, keep lookout for boaters and swimmers), in Qam Pass, Oass II Waters, Section 8, 9, Township 49 South, Range 25 East, Collier 'County.. in order to review your application, we need the items listed in the enclosed Request For Additional Information (RAI) by January 6, 2011. If necessary, you may request an extension up to ninety (90) additional days~If neither the information nor a request for an extension is received by January 6, 2011, your application may be denied without prejudice. If you revise your project after submitting the initial joint application, please contact us as soon as possible. . . . : . ~: : : ..! ':;. '. .' : 1 ! ~ '. .~.. ::"::' ..': i'-.'.f.:," ~ "i . CAC October 14,2010 VII-4-c Staff Reports 2of4 . We appreciate your cooperation. If you have any questions, please contact Ryan Snyder by telephone at (239) 332-6975, ext. 140, or bye-mail at Ryan.Snyder@dep.state.fl.us. When referring to this project, please reference the file number listed above. S yder vironmental Specialist Submerged Lands and ~vironmental Resources Program RS/rs Enclosure(s): Request for Additiorial Information Part I Request for Additional Information Part II For Your Information I I I I I- I ! f ! CAC October 14, 2010 VII-4-c Staff Reports 3of4 Date: October ~, 2010 Applicant: CoUier County File No. 11-0295193-002-EE08 Page3of4 REQUEST FOR ADDITIONAL INFORMATION (RAI) Navigational Aids Part I (Chapter 62-343, Florida Administrative Code) Please note: Department Response is in BOLD 1. The letter attached within the March 1,0, 2010 application has a letter from the Florida Fish and Wildlife Commission(FWC), dated October 5, 2009 giving temporary authorization for the'placement of information.\regulatory markers on green 1 and red 14, as well as the Clam Bay Bridge. On October 27, 2009, The Department received a letter from the FWC, Boating and W aterways Se~oni stating that FWC is rescinding the temporary 'authorization for placement of markers within Clam Bay and Pass. As a result, the proposed activity is not being marked in pursuant to Section 327.40 F.S., and is inconsistent with Section 403.813(1)(k), F.S. In accordance with 40E-4.051(7) Florida Administrative Code (F.A.C.) it states lithe installation of aids to navigation, including bridge fender piles, "no wake" and similar regulatory signs, and buoys associated with such aids, provided that the devices are marked iI:l accordance with Section 327.40 Florida Statute (F.S.). Please provide a valid Florida Fish and Wildlife authorization, showing that the proposed navigation markers are marked in accordance with Section 327.40 F.S. Thank you for your response, this item has been marked incomplete. The Department compared the Latitude and Longitude between the plan view drawing "Clam Bay Marker and Seagrass Locations" with the Florida Fish and Wildlife Conservation Commission (FWC) Permit 09-021 Authorized on May 21, 2010 and the United , . States Coast Guard (USCG) Permit issued on September 14, 2009. The Department observed that the plan view drawing, the USCG autharization, and the FWC authorization do not show the same Latitude and Longitude location on the proposed project. This item remains incomplete. Please provide the information requested in the italics above. Please also note that the USCG Permit that was provided to the Department has expued on September 15, 2010. Please provide a valid UCSG authorization. . 1 .... ..... ... CAC October 14, 2010 VII-4-c Staff Reports 4of4 Date: October 8, 2010 Applicant: Collier County File No. 1l-0295193-OO2-EE08 Page4of4 Part n Letter of Consent (Chapter 18-21, Florida Administrative Code) Please note: Previously Completed Responses have been removed. All new Department o . Responses is in BOLD 6. Within the June 17, 2010 RAI response, it was stated that marker #4 was moved to the north edge of the mangrove island and was represented on all maps. The Departm~t noticed the dot moved on the plan view drawing "Clam Bay Marker and Seagrass Locations", but the Latitude and Longitude had not been revised. Please provide a revised plan view drawing showing the revised Latitude and Longitude location of the proposed marker #4. Thank you for the providing the following information, this item has been marked complete. 7. The PBS&J Topographic arid Bathymetric Survey received on June 17, 2010 shows a depth within the proposed buoy locations of less than -2 feet mean low water (MLW). The buoy specifications that were provided within the June 17, 2010 RAI states that the buoys will draft 24 inches (2 feet). During a MLW occurrence the buoys will not be floating and there may adverse impacts. Please revise the application by either using a buoy that has draft specification of less than 0.5 feet or by using another marking method that is not a buoy. Thank you for the providing the following information, this item ~as been marked complete and will be reviewed. i ! io I I I I I ! CAC October 14, 2010 VII-5-a Staff Reports 1 of 1 Staff Reports -Item SA The Wiggins Pass Permitting, Modeling, & Inlet Management Plan Selection Committee met on 10/13/2010 at 1:00PM to review and recommend a consultant to perform the work as outlined in this RFP request, The Selection Committee consisted of Gary McAlpin from Coastal Zone Management; Jerry Kurtz, Principle Project Manager from the Growth Management Division; and Margret Bishop, Senior Project Manager from the Transportation Division. Proposals were received from two consulting firms; Tetra Tech EC, Inc. and Coastal Planning and Engineering. The Selection Committee unanimously recommended and selected Coastal Planning and Engineering as the most qualified consultant to perform this work. This selection was based on understanding the scope; Development of a project plan; Qualifications of the individuals proposed to perform the work and Experience and Background of the firm. Gary McAlpin CAC October 14, 2010 VII-5.b Staff Reports 1 of 16 Staff Reports item 5.2 From: Barnett, Michael [mailto:Michael,Barnett@dep.state.f1.us] Sent: Monday, October 04,20103:56 PM To: McAlpinGary; Steve Keehn Cc: Seeling, Martin; Brantly, Robert; Neely, Merrie Subject: RE: Wiggins Pass Maintenance Dredging Gary - Thank you for your email. As signatory for a Notice ofIntent (and an attendant draft permit) on behalf of the Department, I can assure you that I for one certainly have not indicated support for this request from the Florida Park Service. In fact, a recent analysis conducted by Subarna Malakar and Bob Brantly shows no clear/discernable trend that the past dredging events have adversely impacted the park shoreline, Furthermore, this 'hold' on the Biological Opinion pending consideration is certainly news to me (re: truck haul placement on the park shoreline), It is my understanding that my (Bureau) staff are meeting tomorrow to discuss the status of the application; following our meeting at the FSBP A Conference, last week I reviewed the application submittal and RAI response, I have provided my assessment of the file status, and am awaiting a staff determination in that regard - which presumably will come to me tomorrow. I will keep you posted as to the outcome of this determination. Sincerely, Mike B. Michael R. Barnett. P.E., Chief Bureau of Beaches & Coastal Systems Florida Department of Environmental Protection 3900 Commonwealth Blvd, Mail Station 300 Tallahassee, FL 32399-3000 PH: 850.488.7808 FAX: 850.488.5257 email: MichaeI.Bamettlaldeo.state.f1.us The Department of Environmental Protection values your feedback as a customer. DEP Secretary Mimi Drew is commftted to continuously assessing and improving the level and quality of services provided to you. Please take a few minutes to comment on the quality of service you received. Simply click on this link to the DEP Customer Survey. Thank you in advance for completing the survey. From: McAlpinGary [mailto:GaryMcAlpin@colliergov.net] Sent: Monday, October 04, 2010 3:30 PM To: Barnett, Michael; Neely, Merrie Cc: Steve Keehn; Jmorel2409@aol.com Subject: Wiggins Pass Maintenance Dredging Importance: High Mike and Merrie Beth, CAC October 14,2010 VII-5.b Staff Reports 2 of 16 Jeff Howe has informed us that his determination as to "if" a new Biological Opinion is required for the maintenance dredging of Wiggins Pass is on hold to consider a request from the Park Service to have a small truck haul project rebuild their beach with between 1-4 cy/lf, If a truck haul project is added, the sand will be placed on the beach and FWS has informed us that a Biological Opinion will certainly be required, This can add 120 days to FWS time, let alone processing time from FDEP and the Corps and may threaten dredging during this year's non- sea-turtle nesting season. I am requesting that any meeting to consider this include Collier County. We have stated before that we have a serious boater safety issue at this pass because of excessive shoaling. Over 1,700 registered wet slip boaters use this pass along with the thousands who launch from the county's boat launch facility, This pass has been previously dredged 13 times, Under Florida Law. e-mail addresses are public records. If you do not want your e-mail address released in response to a public records request. do not send electronic mail to this entity. Instead, contact thiS office by telephone or ill writing CAC October 14,2010 VIl-5.b Staff Reports 3 of 16 Staff Comments 5,3 From: Barnett, Michael [mailto:Michael.Barnett@dep.state.f1.us] Sent: Monday, October 04,20103:56 PM To: McAlpinGary; Steve Keehn Cc: Seeling, Martin; Brantly, Robert; Neely, Merrie Subject: RE: Wiggins Pass Maintenance Dredging Gary - Thank you for your email. As signatory for a Notice ofIntent (and an attendant draft permit) on behalf ofthe Department, I can assure you that I for one certainly have not indicated support for this request from the Florida Park Service. In fact, a recent analysis conducted by Subarna Malakar and Bob Brantly shows no clear/discernable trend that the past dredging events have adversely impacted the park shoreline. Furthermore, this 'hold' on the Biological Opinion pending consideration is certainly news to me (re: truck haul placement on the park shoreline). It is my understanding that my (Bureau) staff are meeting tomorrow to discuss the status of the application; following our meeting at the FSBP A Conference, last week I reviewed the application submittal and RAI response, I have provided my assessment of the file status, and am awaiting a staff determination in that regard - which presumably will come to me tomorrow. I will keep you posted as to the outcome of this determination, Sincerely, Mike B. Michael R. Barnett, P.E., Chief Bureau of Beaches & Coastal Systems Florida Department of Environmental Protection 3900 Commonwealth Blvd, Mail Station 300 Tallahassee, FL 32399-3000 PH: 850.488.7808 FAX: 850.488.5257 em ail: MichaeI.Bamett@deC.state.f1.us The Department of Environmental Protection values your feedback as a customer. DEP Secretary Mimi Drew is committed to continuously assessing and improving the level and quality of services provided to you. Please take a few minutes to comment on the quality of service you received. Simply click on this link to the DEP Customer Survey. Thank you in advance for completing the survey. From: McAlpinGary [mailto:GaryMcAlpin@colliergov.net] Sent: Monday, October 04,20103:30 PM To: Barnett, Michael; Neely, Merrie Cc: Steve Keehn; Jmorel2409@aol.com Subject: Wiggins Pass Maintenance Dredging Importance: High Mike and Merrie Beth, CAC October 14, 2010 VII-5.b Staff Reports 4 of 16 Jeff Howe has informed us that his determination as to "if" a new Biological Opinion is required for the maintenance dredging of Wiggins Pass is on hold to consider a request from the Park Service to have a small truck haul project rebuild their beach with between 1-4 cy/lf. If a truck haul project is added, the sand will be placed on the beach and FWS has informed us that a Biological Opinion will certainly be required. This can add 120 days to FWS time, let alone processing time from FDEP and the Corps and may threaten dredging during this year's non- sea-turtle nesting season. I am requesting that any meeting to consider this include Collier County, We have stated before that we have a serious boater safety issue at this pass because of excessive shoaling. Over 1,700 registered wet slip boaters use this pass along with the thousands who launch from the county's boat launch facility. This pass has been previously dredged 13 times. Under Florida Law. e-mail addresses are public records. If you do not want your e-mail address released in response to a public records request. do not send electronic mail to this entity. Instead. contact this office by telephone or in 'Nriting , ;. r. CAC October 14,2010 VII-5.b Staff Reports 5 of 16 Florida Department of Environmental Protection Marjory Stoneman Douglas Building 3900 Commonwealth Boulevard Tallahassee, Florida 32399-3000 Charlie Crist Governor JeffKottkamp Lt. Governor Mimi A. Drew . Secretary October 6,2010 R~CEIVED Collier County 3301 E. Tamiami Trail Naples, FL 34112 ;. . 1 .! 11'l~D . , , i '~JI <';?,i\!,:'rAL 29M: r~1L, - "',c' . _"I . ". ""''!,.t\~!'"'I'.T clo Stephen Keene Coastal Planning and Engineering, Inc. 2481 NW Boca Raton Blvd. Boca Raton, FL 33431 NOTICE OF COMPLETENESS JCP File Number: 0142538-009-JC & Variance 0142538-010-EV, Collier County Applicant Name: Collier County Project Name: Wiggins Pass Maintenance Dredging Dear Mr. Keene: This is to acknowledge receipt of your response to the first Request for Additional Infonnation on September 13 and fee payment on September 28,2010, regarding an application made on behalf of Collier County, for a joint coastal permit, authorization to use state-owned submerged lands and associated variance(s). The proposed activity is for a single maintenance dredge event at Wiggins Pass (R-17) and one-time disposal of beach compatible material below the mean high water line offshore of Barefoot Beach (R-l1 to R-15). The dredge amount will be approximately 50,000 cubic yards and a template slightly shallower and thinner than the previously permitted (0142538-001-JC circa 2000 and now expired) dredge template will be dredged for this maintenance cut. Based upon the submitted infonnation, this application has been deemed complete, however the physical monitoring plan you proposed in your RAI response is insufficient. Please revise this document according to the attached guidance from Subarna Malakar and submit your revised document for review and approval at least 30 days prior to the date you anticipate needing your written notice to proceed. Mr. Malakar can review a draft of this document, at his convenience, prior to your official submittal of the NTP request. Pursuant to Section 120.60, F.S, final action on your application will be taken within 90 days of receipt of your last item of infonnation on December 27,2010, unless you choose to waive this timeclock. In addition, please forward the affidavit and proof of publication for the Notice of Application, when available and prior to this deadline. We acknowledge you have submitted this document for publication as of October 5, 2010. To clarity the mixing zone variance limits and details, revised drawings may be requested of the agent/applicant when the Notice of Intent is issued. "More Protection, Less Process" www.dep.state.j1.us Notice of Application Completeness JCP File Number: 0142538-009-JC/OIO-EV Project Name:Wiggins Pass Maintenance Dredging Page 2 of2 CAC October 14, 2010 VII-S.b Staff Reports 6 of 16 " , If I may be of any further assistance, please contact me at the letterhead address (add Mail Station 300), bye-mail at merrie.neelv@dep.state.f1.us or by telephone at (850) 413-7785. Sincerely, Merrie Beth Neely, Ph.D. Processor, Environmental Specialist III Bureau of Beaches and Coastal Systems MBN/mbn Attachment: Physical Monitoring Guidance memo - SM 10-4-10 cc: Gary McAlpin, Collier County Lucy Blair, DEP, South District Jeff Raley, DRP Parks Small, DRP Subarna Malakar, BBCS Mike Barnett, BBCS Vladimir Kosmynin, BBCS Bob Brantly, BBCS Jenn Koch, BBCS Laioie Edwards, BBCS Vince George, BBCS Paden Woodruff, BBCS Alex Reed, BBCS Roxane Dow, BBCS JCP Compliance, BBCS Tunis McIlwain, USACE..SAJ Stephen Fleming USACE Ken Heatherington, SWFRPC Laura Kamerrer - DOHR Johnna Mattson/Ray Eubanks - DCA Jeff Howe, USFWS Robbin Trindell- FWCE Eric Seckinger - FWC Mary Duncan - FWC Mary Ann Poole - FWC Jane Chabre - FWC Jennifer Coward - CCCL Bobby Halbert ~ CCCL: Jemi Koch - CE-BBCS Marcia Cravens BBCS File "More Protection, Less Process" www.dep.state.fl.us '., .. CAC October 14,2010 VII-5.b Staff Reports 7 of 16 Physical Monitoring of Beach Erosion Control Projects PHYSICAL MONITORING REQUIRED: Pursuant to 62B-41.005(16), F.A.C., physical monitoring of the project is required through acquisition of project~specific data to include, at a minimum, topographic and bathymetric surveys of the beach, offshore, and borrow site areas, aerial photography, and engineering analysis. The monitoring data is necessary in order for both the project sponsor and the Department to regularly observe and assess, with quantitative measurements, the performance of the project, any adverse effects which have occurred, and the need for any adjustments, modifications, or mitigative response to the project. The scientific monitoring process also provides the project sponsor and the Department information necessary to plan, design and optimize subsequent follow-up projects, potentially reducing the need for and costs of unnecessary work, as well as potentially reducing any environmental impacts that may have occurred or be expected to. - Prior to issuance of the Notice to Proceed, the permittee shall submit a detailed Monitoring Plan subject to review and approval by the Department. The Monitoring Plan shall indicate the project's predicted design life. The approved Monitoring Plan can be revised at any later time by written request of the permittee and with the written approval of the Department. If subsequent to approval of the Monitoring Plan there is a request for modification of the permit, the Department may require revised or additional monitoring requirements as a condition of approval of the permit modification. As guidance for obtaining Department approval, the plan shall generally contain the following items: a. Topographic and bathymetric profile surveys of the beach and offshore shall be conducted within 90 days prior to commencement of construction, and within 60 days following completion of construction of the project. Thereafter, monitoring surveys shall be conducted annually for a period of three (3) years and then biennially until the next beach nourishment event or the expiration of the project design life, whichever -occurs- first. The monitoring surveys shall be conducted during a spring or summer month and repeated as close as practicable during that same month of the year. If the time period between the immediate post-construction survey and the first annual monitoring survey is less than six months, then the permittee may request a postponement of the first monitoring survey until the following spring/summer. The request should be submitted as part of the cover letter for the post-construction report. A prior design survey of the beach and offshore may be submitted for the pre-construction survey if consistent with the other requirements- of this condition. The monitoring area shall include profile surveys at each of the Department of Environmental Protection's DNR reference monuments within the bounds of the beach fill area and along at least 5,000 feet of the adjacent shoreline on both sides of the b~ach Z:IProjecIJj/esICo/lierI0142538 (Wiggins Pass)1009.JC New Maintenance Dredging and OJO-EV Mmng zone varlCompleteness ReviewIPhysical Monitoring Guidance -Wiggin3 Pass.docxRevised 2/23/09 CAC October 14, 2010 .. VII-5.b Staff Reports 8 of 16 fill area. For those project areas that contain erosion control structures, such as groins or breakwaters, additional profile lines shall be surveyed at a sufficient number of intermediate locations to accurately identify patterns of erosion and accretion within this subarea. All work activities and deliverables shall be conducted in accordance with the latest update of the Bureau of Beaches and Coastal Systems (BBCS) Monitoring Standards for Beach Erosion Control Projects, Sections 01000 and 01100. Note. For Wiggins Pass, the MHW shoreline north of R-17 at the west corner and the interior of Delnor-Wiggins will be surveyed (to validate) and supplement the shoreline identified from aerial photo of the area. b. Bathymetric surveys of the borrow area(s) shall be conducted within 90 days prior to commencement of construction, and within 60 days following . completion of construction of the project concurrently with the beach and offshore surveys required above. Thereafter, monitoring surveys of the borrow areas shall be dependent on their location. Borrow sites located in tidal inlet shoals or in nearshore waters above the depth of closure for littoral transport processes shall be surveyed concurrently with the beach and offshore surveys required above for a period of three (3) years, then biennially until the next beach nourishment event or the expiration of the project design lift, whichever occurs first. These biennially monitoring surveys are not required for borrow sites located below the depth of closure for littoral transport processes. A prior design survey of the borrow area may be submitted for the pre-construction survey if consistent with the other requirements of this condition. For the Wiggins Pass project, survey grid lines across the borrow area shall be spaced at 100 feet apart to provide sufficient detail for accurate volumetric calculations and shall extend to include bathymetric surveys of the entire shoal complex, including any attachment bars. In all other aspects, work activities and deliverables shall be consistent with the BBCS Monitoring Standards for Beach Erosion Control Projects, Section 01200. c. The permittee shall submit an engineering report and the monitoring data to the BBCS within 90 days following completion of the post-construction survey and each annual or biennial monitoring survey. The report shall summarize and di~uss the data, the performance of the beach fill project, and identify erosion and accretion patterns within the monitored area. In addition, the report shall include a comparative review of project perfonnance to performance expectations and identification of adverse impacts attributable to the project. Any shoreline and volume changes north of R-17 at the west corner and the interior of Delnor-Wiggins Pass Park, attributable to the dredging event should be identified and reported. Appendices shall include plots of survey profiles and graphical representations of volumetric and shoreline position changes for the monitoring area. Results shall be z: IProject..filesICollier\0142538 (Wiggins Pass)IOO9-JC NI1W Maintenance Dredging and OlO-EV Mbclng zone wzrlCompleteness Revll1WIPhysica/ Monitoring Guidance -Wiggins Pass.docxRevised 2/23/09 . A CAC October 14,2010 VII-5.b Staff Reports 9 of 16 analyzed for patterns, trends, or changes between annual surveys and cumulatively since project construction. I - I Z:\Project.fi/es\Collier\0142538 (WIggins Pass)\009.JC New Maintenance Dredging and Olo..EV Mmng zone var\Comp/eteness RevlewlPhyslca/ Monitoring Guidance -Wiggins Pass.docxRevised 2/23/09 October 7,2010 RECEIVED r .-r 1 1 I."'n~fn -' -,#. J. .' I Mr. Gary McAlpin Coastal Zone Management W. Harmon Turner Bldg., Suite 103 3301 E. Tamiami Trail Naples, FL 34112 RE: Permit No.: JCP 0142538-009 Applicant: Collier County Project: Wiggins Pass Maintenance Dredging COA~TAl. ZOf',t: r",,"'ph~~~~I'~ ~j.JT 1450 Merrihue Drive Naples, Florida 34102 239.262.0304 Fax 239.262.0672 Dear Mr. McAlpin: www.conservancy.org As a stakeholder invested in the protection of the Wiggins Pass estuary system, the Conservancy of Southwest Florida maintains our support of projects that are compatible with sustaining this valuable resource. The Conservancy's involvement in this area dates back to our efforts assisting in the acquisition of the Barefoot Beach Preserve and designating the Wiggins Pass estuary system as an Outstanding Florida Water (OFW). We continue to encourage responsible management of the Wiggins Pass estuary to assure that the ecological value of this dynamic system is not compromised. Therefore, we are extremely concerned about Collier County's request for a temporary mixing zone variance to increase the size of the mixing zone, while allowing turbidity levels during the interim pass dredging to exceed 0 Nephelometric Turbidity Units (NTU) above background levels within the OFW. As 0 NTU above background is the regulatory standard within an OFW, we believe this request is inappropriate and would likely lead to detrimental impacts to our environment. The previous permit for dredging did not allow for such a variance and the Conservancy does not believe that sufficient evidence has been provided by the County to justify such a request for the interim dredge. Instead of drawing out the permit review process by an unnecessary and potentially problematic request for a variance, the Conservancy asks that you reconsider and comply with the 0 NTU above background levels standard. Wiggins Pass OFW CD en ~ III S ., c: 8 ! ~ ~ I'~' ~- , State law establishes the legal framework for activities that can occur within an OFW. Chapter 62-302.700 (1) of the Florida Administrative Code states, lilt shall be the Department policy to afford the highest protection to Outstanding Florida Waters and Outstanding Natural Resource Waters," A component of this protection is to ensure that turbidity does not exceed the levels recorded as occurring under natural conditions. These natural background levels vary CAC October 14. 2010 VII-S.b Staff Reports 110f16 depending on the waterbody and weather-related conditions. Data from the Collier County website indicates that for the Cocohatchee system, the background NTU level for a three month period in late 2008 was 1.5 NTU. Data collected from the Conservancy of Southwest Florida's Environmental Science Division over a 13 year period indicate a background level of 5.8 NTU in Vanderbilt Lagoon and Water Turkey Bay. Thus, a requirement of 0 NTU above background level does allow for natural turbidity, but would not provide the County latitude to increase turbidity through dredging or other construction projects. This does not preclude dredging projects, but requires that steps be taken to ensure protection of the OFW. The purpose of the 0 NTU above background is based upon protection of these sensitive environmental resources, Turbidity studies have shown that increased turbidity can lead to the suffocation of seagrasses and benthic organisms, inhibit the ability of filter-feeders to capture food, and can alter water chemistry and light penetration. 1 In May, 2008, the Department of Environmental Protection (DEP) issued guidelines for determination of what level of environmental disturbance would cause significant detrimental impact to the environment and trigger further agency investigation. With regard to turbidity, impacts were considered significantly detrimental within an OFW if turbidity was measured exceeding 15 NTU above background2 -extremely close to the level requested by Collier County as part of an expanded mixing zone within the OFW and extending for a duration of 45 days. Wiggins Pass Permit Request Maintenance dredging is authorized under Section 403.813 (1 )(f) of Florida Statutes.3 Based upon the January 2000-2010 permit issued to the County by the DEP. turbidity greater than 0 NTU above background within the OFW - and at Hardbottom Sites 1 and 2 - was a violation of State Water Quality Standards. If monitoring shows turbidity greater than 0 NTU above background at these locations, then construction must cease until turbidity has returned to allowable levels. Collier County is currently requesting a permit to dredge for 45 days with an allowable turbidity of 29 NTU outside of the OFW and 15 NTU within the OFW and expanding the temporary mixing zone to 300 meters offshore and 300 meters down-current from the disposal and dredge area into the Gulf and Wiggins Pass. In the request. the County states that, "there is no practical means I Greene, Karen. (2002) Beach Nourishment: A Review of the Biological and Physical Impacts. Atlantic States Marine Fisheries Commission, p. 19. 2 Florida Department of Environmental Protection. (2008) Guidelines for Characterizing Environmental Resource Violations. p, 3. 3 Florida Administrative Code, 62-302.700 (40) CAC October 14, 2010 VII-S.b Staff Reports 12 of 16 of maintaining project related turbidity within the standard 150 meter mixing zone, especially in an open body of water such as the Gulf of Mexico where patches of OFW are at the shoreline. n Historical Turbidity Measurements The County's request for a temporary allowable turbidity of 15 NTU within the Wiggins Pass OFW is based upon the assumption that it would be too difficult to try to meet a 0 NTU above background standards for the interim dredging project. This would allow somewhere in the range of 9-13.5 NTU of turbidity to be generated from the dredging project, with 1,5 to approximately 6 NTU naturally occurring. However, it is important to point out that the previous permit contained the 0 NTU above background standard and Collier County did its best to try and meet this stringent requirement. Meeting this standard has meant that dredging in the past required monitoring of turbidity when the dredge was operating. When turbidity levels reached a level that exceeded the permitted allowance, the dredging stopped until the sediments settled out. Dredging would then recommence. Historical turbidity data from 2009 provided by the County in the permit application shows that meeting the 0 NTU above background can be challenging and there were occasions where this standard was not met. The maximum turbidity on the edge of the mixing zone by the disposal site was found to be 11 NTU above background. However, Collier County was not penalized or fined when these NTU levels were exceeded, as the State recognized that the County was doing all they could to comply with the permit conditions. Adherence with OFW standards should be the goal of the County within the current permit application. The Conservancy is extremely concerned about the negative precedent that will be set by Collier County's desire to exceed the State standards for turbidity in an OWF for the purpose of an accelerated dredging project. It would seem that the NTU standards requested by the County are predicated upon the County's desire to continue dredging even when turbidity is high, regardless of environmental considerations and irrespective of potential negative impacts to the environment. An additional consideration is the fact that when Collier County attempted to comply with 0 NTU above background, only on occasion did actual turbidity levels exceed this standard and rarely did levels reach 11 NTU above background. However, what the County is currently requesting is much more intrusive to the OFW because the request is to allow 15 NTU at all times within an expanded mixing zone and during the entire duration of the dredging project. This will create much more of an impact than the rare occasions where 11 NTU above .background occurred in the past. In addition, since 11 NTU above background accidentally occurred when 0 NTU was the standard, what might the actual NTU levels be if the County is allowed up to 15 NTU? CAC October 14, 2010 VIJ-5.b Staff Reports 13 of 16 Monitoring Requirements Another concern is that the current permit application's monitoring proposal contains a greatly reduced number of turbidity monitoring stations, as the County has only suggested two sites, as opposed to'the 10 monitoring sites that were part of the previous permit. We recommend that an adequate number of monitoring stations located appropriately be part of the current application. Based upon the information contained in the permit application section 33.d., Monitoring Station A is located at 150 meters from the dredge site and Monitoring Station B is located 457 meters from the dredge, With these placements, how will the County be able to determine turbidity at their proposed 300 meter mixing zone limit? In addition, there are no proposed monitoring stations at the edge of the OFW, which is critical to determine if the County is within the required turbidity standards. We request that the monitoring stations be adjusted and expanded to include these considerations. Permitting Delay As County staff is aware, the permitting process is lengthy and time-consuming. However, the most expeditious way to receive authorization for activities 'is to ensure the permit complies with all current regulations and standards. The request for a variance to increase the allowable turbidity to 15 NTU within the OFW is likely based upon the County's desire to accelerate the dredging process once the permit is issued. However, it must be realized that such a request will likely result in a longer review process by the DEP, This longer review by DEP could delay permit issuance, as it may require the County to address environmental concerns raised by the State. If the County dredges slowly to meet OFW standards as it has done in the past, it is likely fewer permitting issues will arise, Thus, while the dredging process may take longer, the actual project will be completed in a shorter timeframe because the permit will have been issued ,in a more timely manner. Conservancy Recommendation The Conservancy acknowledges the need for interim dredging in Wiggins Pass but urges the County to reconsider its request for variance from OFW standards. The Conservancy recommends the County strive to meet OFW standards with the Wiggins Pass dredging project as it has done in the past. Requesting exemption from OFW standards may result in permitting delays and negative environmental impacts on the Wiggins Pass ecosystem. We also recommend reconsidering expansion of the mixing zone and utilizing additional and better placed monitoring stations, CAC October 14, 2010 VII-5.b Staff Reports 14 of 16 Finally, we recommend that the County work with DEP to adjust the proposed beach spoil placement to further reduce impacts to the OFW. This is a suggestion that was made by DEP and we believe that finding project modifications that will move the County towards meeting State standards is another important step in the permitting process. We appreciate your consideration of our comments and attention to this issue. If you have any questions, please feel free to contact me at (239) 403-4220. Sincerely, ~a~l/{~ Director of Governmental Relations cc: Merrie Beth Neely, Florida Department of Environmental Protection Lainie Edwards, Florida Department of Environmental Protection Collier County Coastal Advisory Committee CAC October 14, 2010 VII-5.b Staff Reports 15 of 16 Date: October 12, 2010 To: Gary McAlpin, Collier County From: Stephen Keehn, PE, CPE Subject: Response to Conservancy letter of October 7, 2010 about the Interim Dredging of Wiggins Pass, 1. The County has proposed permit conditions for turbidity, but has not been informed what FDEP will require for the project. 2, The ebb shoal channel has been dredged 12 times since 1984, including 6 times since 2000, in roughly the same location and manner proposed for 2010. The proposed dredging is unchanged from the past; just what we know about the inlet area has changed, 3. The border of the OFW at Wiggins Pass has an unusual shape (see blue line below), It extends offshore into the Gulffrom Delnor Wiggins State Park and a portion of Barefoot Beach, The disposal area for Delnor Wiggins Park (not proposed for this dredging event) is partially within the OFW, while the channel dredge area is tangent to the OFW surrounding Barefoot Beach, The border of the OFW was designed to follow the shoreline of a historic map in many locations, but the shoreline has moved over the last decades, exposing new waters. The OFW borders are not directly related to the location of important resources, although they do cover some. ! i ~ ~--.... .-",. -~ ~ ....... ......~~...__...:f"l'-.., --- ~""'-:"~___*,,-""!Ol\lOllC.~~m-.~~~~a.~.. '-~\'l : S~~~~"'~~1Z&';\'"::l''''''~~~~J:-~= _. c- - - -- - - '"-' ....... ; ,~ I~~~~~~; :!:-1, .J CAC October 14, 2010 VII-5.b Staff Reports 16 of 16 4. During the last project, turbidity ranged between 6-11 NTU above background, The County has proposed standards that would allow for this level ofturbidity during the upcoming project, plus a buffer, Similar standards have been approved within Aquatic Preserves in Bay and Nassau Counties, Dredging may not be feasible at the 0 NTU standard, and the State has recognized this at other locations by allowing variances, We expect the turbidity to be similar to 2009, In addition, during outgoing tides, the turbidity will be greatly decreased in the OFW parcels, 5, The conditions and drawings in the 2000 permit and 2007 permit modification did not show the location of the OFW borders, most likely assuming that the OFW borders were inside the inlet, which has been a historic oversight at many OFW locations. 6. The proposed compliance stations at A and B will not be the only compliance points, Measurement will also be required at the edge ofthe 300 meter mixing zone, which is marked on the enclosed drawing, Generally, the closest dowdrift station is measured, which means under some circumstances, the OFW or resource locations might not be measured, since the currents are moving away from them. , 7, The proposed compliance stations A and B represent the major habitat location at the hardbottom edge and the first seas grass bed mapped within the inlet respectively, In lieu of measurements at the edge of every OFW parcel, it was felt these 2 locations could provide an easily identified location for measurements to protect the major resources, 8, Given that the permit conditions are still pending from FDEP and the Corps, the proposed dredging is substantially the same as 12 previous events, and this is a urgent and greatly needed maintenance dredging, it may be prudent to continue with this project as proposed, and address the Conservancy's concerns as part of the comprehensive project for future maintenance of Wiggins Pass. LL/ j". r CAC October 14, 2010 .S'Wlv' !<{.IbJ;.1It.:;j" ...:>;! VII-5.c Staff Reports . r" 1 of 5 '., Ddl1or-\Vi,ggios PD.$$ State Park ~leB'h\ August 25~ 1nlo Page! .Florida Department of Memorandum Environmental Protection DATE: August 25,2010 TO: Dr. Merrie Beth Neely Bureau of Beaches & Coastal Systems Mail Stop #300 ~".... ;'-'i., FROM: Jeff Raley lc,:,;:t{, Bureau of Natural &!'Cultural Resources Mail Stop #530 SUBJECT: JCP File No, 0142538-009-JC: vViggins Pass Interim Dredging Pennit Application Florida Park Service staffs (FPS) have reviewed Collier County's application for fnterim maintenance dredging of Wiggins Pass, with placement of dredged sands on a portion of Barefoot Beach. The Dredge template proposed appears to be within the previously permitted template. We understand the navigation problems in the pass as well as erosion concerns at Barefoot Beach that this dredging would help alleviate. We do not oppose a project for Wiggins Pass dredging in the FalllWinter 2010/2011. However. we request that satisfactory permit conditions are stipulated to protect the property, resources, and recreation at Delnor-Wiggins State Park (DWSP). Past dredging of the proposed Wiggins Pass dredge template has contributed to periods of substantial erosion at the northwest beach area of DWSP. On the aerial photo to the right the sketched redline shown north of R-17 indicates the approximate position of a much eroded northwest shoreline of DWSP in ,",une 2005. This erosion followed a Wiggins Pass dredging project that was completed in the months prior. It was estimated that over 100 feet of beach width was lost just east of the dredge template. CAC October 14, 2010 VIl-5.c Staff Reports 2of5 f D~lnor-Wiggi!lS PilSS State Park :"lcmo. AUglb;1 25. 1010 Page 2 The two photos below were taken from a DWSP boardwalk area in May 2005. The boardwalk serves as public access to this northwest park shoreline, and access to park facilities by visitors who enter the park along the inlet shoreline by ferry. The photos partially illustrate our concerns with the interim dredging project loss of beach and dllne habitat and visitor use a section of DWSP beach that is rich in natural resources and very popular with the public, Imperiled species such as brown pelican. piping plover. least tern, white ibis, reddish and sn01NY egret, among others have lost foraging and resting areas due to erosion. The Unit Management Plan: states: "Least tern nest sites were last documented in 1987. If nesting colonies are observed; they are marked with signs and string barriers to divert foot traffic. Additional concerns about least tern nesting arise from periodic proposals to dredge Wiggins Pass to improve navigation. The potential impact of channel dredging to least tern nest sites and to marine turtle nesting must always be evaluated. A population of gopher tortoises exists within the beach dune community." The referenced least tern nesting occurred along a much wider beach (at the time) on the park's northwest corner. Gopher tortoise burrows currently exist near the boardwalk area shown here. A beach buffer should be maintained in this area to prevent further losses to park resources and protection of facilities and infrastructure from coastal storms. The DWSP erosion impact from previous dredging events has occurred generally north of R-17, so the impact is not readily apparent from the historic beach survey profiles of R-17, I have not verified if this erosion is otherwise documented in past monitoring reports for this project. The project drawing by Humiston and Moore Engineers (attachment A) was used for JCP Permit No. 142538-006. This drawing shows the proximity of the permitted inlet dredge template to the northwest corner of DWSP, The persistent erosion of this corrier beach area is still evident in the January 2006 aerial photo (by Collier County) that was used in the drawing. Our concerns are that another extended period of erosion may follow the interim dredge project that is proposed. The proposed dredge volume and spoil area app'ear are similar. It seems intuitive that some DWSP beach loss i~ to be expected shortly after dredging. Recent coastal modeling by Coastal Planning and Engineering""'predicts nearshore sand loss in this area and a steeper nearshore profile, one year after dredging the basic inlet template proposed again here. Design changes could help alleviate concerns. Erosion threats may be reduced if the design cut depth is maintained at -8.7 feet NAVD further west in the template. (Currently, the design cut depth transitions from -8.7 to -13.2 feet NAVD between profile lines 2 +00 and 3 +00). CAC October 14, 2010 VII-5.c Staff Reports 3of5 Delnor-Wiggins Pass State Park Memo, August 25, ]010 Page J Regardless of final design for this permit application, we request that future Wiggins Pass dredging permits include conditions that require mitigation--if resulting erosion reaches a trigger point or set of trigger points along the northwest shoreline of DWSP. We have discussed this concept of DWSP erosion triggers and mitigation in the permit application process for the Wiggins Pass Navigation Channel Expansion and Maintenance Dredging (permit file No. 142538-008-JC). For the interim maintenance dredging project. preferred mitigation would be a berm of sand that is compatible with the park's beach, of adequate construction to maintain the current storm protection. habitat, and recreation functions of the beach. Planting of appropriate native vegetation should be included to offset losses to erosion. Simple measurements of beach loss from the boardwalk area (shown in the photos above) should be used to establish that erosion has reached a trigger point. Currently the beach slope steepens at about 48 feet from and perpendicular to the vegetation line in this area. An agreeable trigger of depth loss could be established at this point. Attachment B indicates the proposed area for erosion monitoring and mitigation along with boundary information. Please consider these requests as you move forward in this permit process with Collier County, and do not hesitate to call to discuss further. JR 1 "De/nor-Wiggins Pass State Park Unit Management Plan'" STATE OF FLORIDA, DEPARTMENT OF ENVIRONMENTAL PROTECTION, Division of Recreation and Parks Approved October 9, 2009. see page .16 . ::1 "DRAFT WIGGINS PASS, COLLIER COUNTY, FL, NUMERICAL MODELING OF WA VE PROPAGA TION, CURRENTS AND MORPHOLOGY CHANGES PHASE //: NUMERICAL MODELING OF AL TERNA TIVES REPORT", Coastal Planning &. Engineering, Inc., January 2009, see Figure 60 on page 72. WU1 mr., ! ~r;1' ~~.A'i f:: ,'1_:l:~~1~:':1 .]41 ~:J L~,)t= !::J)} ~124-~f:S l:-~~~~~ !2'~~'j ~?.c.'- :W::.!"j ..,...",,:,.,:...,r:lt'<;!!'\!)"1-~""''!I_('Q''t", r, I , ~, El C\I"tl: _ " ~c. ::~ ~~ g~~ <(-0 u5f1l) (\:f[Ntf;~~;~%tt{t%bl:~-:~ -, T~''-7 ... (3 C'- 1/) O"''U l'Il-E- J~~~lD.2 < 6ro_'-'+--ffJ N.O' ~ ~ J~~ <<Jrn05:E-o -.- (ll \I)~:;::l C (lJ 2.ac (\l 0"0 C 1/)'- .9.- ill w ,- 0 - m w E :5~'E e ~ ~ "'~Il) ... (l) .(11 (jj.2 0> ,9 c~. '-0)- (l) '" :0 1:1 "i:: <D .cffi .rn5S:::g~ m R.s ~ 2 OJ--e~c Ci~ .c Q. 00 Q. 1-1/)1:;__;:: .- 0 'P .= .....c: ro I I, /,t tjJ {/I f ;'. l~"..i.: ; 12 ~-1 I. - 0>= T :1/, ;,ffi C Q.) 1.' : x 0 ~ ~ J. W(ijl:t :1 >- ill fJ) , 'j rn c {/) i '''0 '..... t/) ~ ; _.-1 t'tS ~ ~5~~J '., Q..... <1)1' .-....C, 'in.~Ol ! j(.l)O!2>l }s:-::;:~. 10 .; ~:.:~__..,._.,ii "'- '\ . "\,- '\ \''\-'<\, >- ?5 '1:' l.: g r:::l -E a: "''-' '^ "'\", ~" ~, "-:- '" "-==...',- ..... .../1., ~~~, . ~ U /.' _:17 ..-~ tUo ""0 ro, a~ ELt) ~N . ~ '<t tU ..-~ 0)0 '\:I, (1)0 ....z 0_ x'e. 0..... o..q> <en. f!; 65 'J'. f.<) ~ c.. ;;i ~;.:.. '<.... 1j c: <:> Ol III ..J ~ ~ ~ r.._:-::v~~ .~ ; ~ ~ ~ ~ 0 ".. ~ ;:. ~='-. ~ ~ .~ ~- ~._~ g ~ :~ 0-: ~ cc;; ,_..J:. .... 'J {/)(]J-fi [ u = ro t :!ffi cn~_J .... C ro I .. ~~B ~ I I ~ cu5 t'J1 '. i m 5~ ~l j "O.J::. ~._ j IE. III 0 E', ! o~~E ) .0 _ ::s ~. I ,., (l) <:> In i \@<ll _, i>;;~ l 100m ! ! r? a. I .~---._.,,_...~-" o ~ o N ..... 00 ::'j 0> ::'j <( 0.. CO 2 0> C C C co D- o (l) '0' r... CL 0) c .- 0) CO-o .....~ ffio E 00 ..cOO () co roo.. ..... <~ 0) 0) ~ ~ r... CO Q.. (l) ..... co ..... (/) en en co 0.. 00 I c .- 0> 0) I ~ r... 1 0 C (1) I 0 I CAC October 14. 2010 VII-7 Staff Reports '~ 'f art h B (J I an c e@ October 1, 2010 Corporate Office 2579 North Toledo Blade Boulevard North Port. FL 34289 941.426.7878 . 941.426.8778 fax www.earthbalance.com Ms. Pamela Keyes Collier County - Coastal Zone Management 3301 E. Tamiami Trail, Suite 103 Naples, Florida 34112 Re: Collier County Dune R,estoration Sea Oat Monitoring Dear Ms. Keyes: This letter details res~llts of the initial Sea oat monitoring event for the planting that was completed in April, 2010, EarthBalance biologists monitored he survival of new beach plantings at five (5) Collier County beaches: Barefoot, Vanderbilt, Park Shore, City of Naples and Marco Island. Four (4) 50-square foot plots were permanently marked at each location, totaling 20 plots. Each plot contained approximately 50 newly planted Sea oats, An effort was made to place the plots where they would not includ~ existing plants, but this was not always possible due to the fill~in nature of the .planting. . The total number of plants in each plot was recorded during the time zero monitoring event that was completed in April and early May, 2010 and again on September 28, to detemline percent survival. Each individual plant was measured to obtain the average height of the Sea oats in each plot. The survival and growth data are summarized in Table 1. Fixed point photographs of each plot are provided as Photos 1-40, The Sea oats generally exhibited good survival, ranging from a high of 100% at Vanderbilt Beach to a low of 67% at Marco Island, Interestingly, there was an obvious inverse relationship between average height and survivC\l, with Marco Island and the City of Naples showing the greatest increases in average height and the lowest percent survival. While the monitoring was not intended as a controlled experiment to detemline optimal conditions for Sea oat survival and growth, trends were apparent that may benefit future planting. Sea oats show the greatest growth on the active dune face and crest where deposition of wind-blown sand is greatest. Plot 4 at Barefoot Beach and three of the City of Naples plots support this observation, In the back dune, or dune swale, survival is generally good but growth is negligible. We have observed on several other projects that this stunting of Sea oats planted in the dune swale can persist for years. Offices In: DlIl'enporl . North Pori . Tall(/hasse~ CAC October 14, 2010 VII-7 Staff Reports 2 of 23 Relatively poor survival but good growth at Marco Island can likely be attributed to the low profile and wetness of the planting area. The Marco plots showed the highest recruitment of weedy species, a result of the higher fertility and moisture content as evidenced by the abundance of algae growing just below the sand surface. These same areas showed the best growth and survival of Panic grass, which could be a bigger component of futUre planting efforts. The next monitoring event is scheduled for March 2011. Sincerely, ~f~-/ Charles L. Kocur, J/ Vice President CAC October 14, 2010 VII-7 Staff Reports 3 of 23 Uniola Paniculata - Sea Oats [': '~-~, ", T- ~-, '" ~"', ~ ~".- ,. "~~' . -n ," -"" ,- --'.'~" .. --] __un - _nl ',' ',." .,. ;' 'I ' 't~('''~,Il'' cN /'\""','$> ..' - :!.""'. ' " '..: <<-'.,I'M!,:'" ..,~(.,., 1[. y, i' " ,,' IUO):'( '1,\ If iKC1l'f"! _~:'__--=--d ~; ':."====---~:'--=:.--=-....:::::::. -..,. ~ _~-_-=-_~( jl <_~L~<.. '[~'-l JI IL-<_ _ - >. __ ~ _ - -=-::r:--~ -=-==-=-_ _ l! f I~ J1l-l~ I'll 1 , -', r, ~\ if,';l[.n:-,~\' Ug,lcIP\,1 ','[1.,;\':"\ ,\<1 ,i': '<_ _, ~ 'lTi: ~ \\":~'17 ~;I' r : ";r:) \ ','v Til::1 I 1'".\';)j'"tJ '<I'" ", - .1 ' - r '_f.\,,",,,,'I' ,"'" I -~" " 0" I d J. 'L 111,).... l!L I _ _Jl ~'~_~l .~,);tjfl. _~ _~-J~__~ ~~111~ ;_ __ _----! BAREFOOT BEACH Plot 1 47 37 79% 19.4 19,6 1% Plot 2 41 40 98% 18.8 19,0 1% Plot 3 46 42 91% 20.8 19.3 -7% Plot 4 46 44 96% 18.3 31.8 74% TOTAL 180 163 91% 19.4 22.7 17% VANDERBILT BEACH Plot 1 46 45 98% 19.3 19,0 -2% Plot 2 53 53 100% 19.0 20,0 5% Plot 3 42 42 100% 21.5 19.4 -10% Plot 4 59 59 100% 18,8 20.2 7% TOTAL 200 199 100% 19.4 19.6 1% PARK SHORE Plot 1 60 58 97% 20,8 23.0 11% Plot 2 47 47 100% 22.1 25.4 15% Plot 3 54 54 100% 22,0 24.3 10% Plot 4 56 54 96% 18.0 21.1 17% TOTAL 217 213 98% 21.0 23.8 13% CITY OF NAPLES Plot 1 45 35 78% 18.3 26,8 46% Plot 2 55 47 85% 19.0 22.3 17% Plot 3 60 57 95% 18.8 28.3 51% Plot 4 57 51 89% 19.5 31.6 62% TOTAL 217 190 88% 20.0 28.0 40% MARCO ISLAND Plot 1 45 34 76% 20.4 26.3 29% Plot 2 49 29 59% 18.4 27.8 51% Plot 3 43 30 70% 16.6 19.3 16% Plot 4 44 28 64% 13,6 19,0 40% TOTAL 181 121 67% 17.3 23.2 34% CAC October 14, 2010 VII-7 Staff Reports 4 of 23 .... .J.... ~.~ '1 i . ....l ,o-.f J' -;) ,,~ , !..:~. j ~ ) .TV .' -:!,. f jf 'f! '- .. . .:j. ,"..""..<, ~, ~;~ I '. , .. l' /' " ~.j'" -"-.~:I.* ,.... I J;: ( ff :~ ~ /1' ,i .'"c~, ':~ . 1; _T. i/ '~~l'~ I =-- ',./:'" ~ y'; ~ . ~'..... ", Photo 1. Barefoot Beach Plot 1, Baseline f .~ ~;::...,:(.;.;;. I; .....' ....".......',...,..iiiL............ - ......',.-._-~:~.....~.~...'fL.,..... \\\:'T~'~t,: '~~ .' . 't! ,i Q" , " ." ~ ~'-'t"'-:""~ . . -r- p. '; . ,",,:..:~~j{ ~j:1'i . .. _- ~-.' - I I..~~~,.. 1; Ii !i 'f"'?:' . ~ <~ ; .].;}:~>~: :- \J f ..~.>A 'i....;.!P' "t~\: .. '. .' ~~ :"" ..1, .:,..NJ:: JlJ.'..;.I;..".:.~..'..'""...........'~'-.':,;'~..',...;t~..~., "';'_""':'~ ~. " . " .~~;;t~lT"-' .~ .:~:f(i~F', .. ':rIJ '. ..:'ti~~". .f~, ,':;.:..:. ~. . ,.1/ C;/.' 1'~1"~ :Jf".~~ .' '-v '~. . t. ;.ie' "'jJ.l,.~4l ~ ~ ~~:.l'.: 't t ~~, '~'<_:o. .~:::.~ Photo 2. Barefoot Beach Plot 1, September 2010 Collier County Dune Restoration Monitoring September 2010 Event o I~ [arth 8idan(e~ CAC October 14.2010 VII-7 Staff Reports 5 of 23 r.. '".' '1 '.......t...'...".,.'.'Pi.....'. -/- .( '.". "~~:..' '_. . _ ~_,_ ~. _~ 0; :;'---. -; :"~':"(---' _. I ~." - .1.:. ....... , 1.-,.', r . . " "-f "il.,- ,. .( #' ,~l ,~.,~ ' \~,''',;,_/' "'...... '; .~ ~~ ~ .. , ," " i ...hi ,; Photo 3. Barefoot Beach Plot 2, Baseline ~~' (~ .' ';,:;1 """, .. ~ t 'l't: ~ ~, ... " '--s.~ "'~< ~.'-' t ""....r .,.\ . --~~'-~~'"'' <.).;. - . i.' '!. '. .~. ~t.:__ - '.l'~w.. .t .' , i., ..... Photo 4. Collier County Dune Restoration Monitoring September 2010 Event .0 ,~ [arth BalanCf- CAC October 14,2010 VII-7 Staff Reports 6 of 23 ';' "\. " . ' ., '\ ~- -": 'J : r , .J' ..,1 \ ,,,.:,i j ~ ' "3:{~.' /-". _ ,::<.::~.,_.;::~"c>,~ 'a-, :...( / .' 'l,:K"\. Barefoot Beach Plot 3, Baseline Collier County Dune Restoration Monitoring September 2010 Event o ~,-~) fdrth Balan(~- II'" -:L\ .: ~ < --,. .':.-, .- ;lj!"' ~. ~. '.' . ~" ." J '- J I: >\I:.X{~~'":' .. ~1t..t. ~ .;J!I.. ,.. ,.. ,"- ~'. :.r '1 .. , , /, . ,,\ ...~, .. f. .:1'. ~ -.J .1 " ,I ....1 ." Photo 7. Barefoot Beach Plot 4, Baseline CAC October 14,2010 VII-7 Staff Reports 7of23 -~. ..... ~ -.;....- ~ j , ",,' ..< ,. , J ! 1 ~ ;~ .... ;-:.. J .;:.. - ~. . .f. . II ""',, ,", I 1.-- . :11 \ ., ',. /-> I ........... ....... . ~ ~ ~ . ~.~. ' 'l ' i"" .... J , ....~ I .. . -.. '-L. . . '"'. ,,,~, .....; .w- .I . :./. ,J~. ' ,c,';; /. ~ 'C:;. ..rf'.'~ ....-1.,. . .'. ~ ~\ o f (I r t h B iJ I a n (~'!' Collier County Dune Restoration Monitoring September 2010 Event ! / ',~,../ \/ A f CAC October 14,2010 VII-7 Staff Reports 8 of 23 J , tl. I, it' ::~~~:.f:: ' ! Photo 9. Vanderbilt Beach Plot 1, Baseline Photo 10. Vanderbilt Beach Plot 1, September 2010 Collier County Dune Restoration Monitoring September 2010 Event <:> f (] r t h B al a n ( ~'1) CAC October 14,2010 VII-7 Staff Reports 9 of 23 I i. ~. ;-r/ "",' f I .1 r \, " .~.. Collier County Dune Restoration Monitoring September 2010 Event o f d r t h B ill a n ( ~;SI CAC October 14, 2010 VII-7 Staff Reports 10of23 \i '," . ...,,;:.., - \. , ,~~, , . i i / f j I / f/ ~ Photo 13. Vanderbilt Beach Plot 3, Baseline ,.' .,/ ., 1 , i {., . \llL I, ., '1"\ .\I- , i.. 't f r; :t, "t"'!; . 1/ . ". hJl Ill' ' !) \-,' \; . I. Photo 14. Vanderbilt Beach Plot 3, September 2010 Collier County Dune Restoration Monitoring September 2010 Event ~ ~ ri[ f <l r t h B ij I a nce~) CAC October 14, 2010 VII-7 Staff Reports 11 of 23 [ .'- ~ 'n_.' ""-'- / I / Photo 15. Vanderbilt Beach Plot 4, Baseline '1 " , 1. ;' .. \ ,\ >',,- l -' Y' Collier County Dune Restoration Monitoring September 2010 Event ~ ,~ f~rth Billan(~~ CAC October 14, 2010 VII-7 Staff Reports 12 of 23 Photo 17. Park Shore Beach Plot 1, Baseline I , ~ i /t ,/ ft /'~" / " / I Photo 18. Collier County Dune Restoration Monitoring September 2010 Event o ..'~ { (I r t h B. 01 an c e',!) CAC October 14.2010 VII-7 Staff Reports 13 of 23 l~,...~_.L...",.." . '.~"~'.I" ;;C..~~.'~..;;.'.'~.';' '~~~ ~ . . .t.~ . ~. ....~,.-.~~-~.'.. . ..' .'1 "..._, _ .~~ IfI1'l ~"; . J ~. -:';' ' - / ~ I -~ I '\ ! .' '. .~ ".~ j. Photo 19. Park Shore Beach Plot 2, Baseline ( - -.!::'- '11.. .">~ .~~~:. , ..~ ~ Photo 20. Park Shore Beach Plot 2, September 2010 Collier County Dune Restoration Monitoring September 2010 Event ~ far t h B al a n ( ~'~) ~ :-x~- , 'n::' '.., -..'-. .~"~ 1-:' ,"'"., .. -----.....,~ . ( i'" .., '. ';,,,,;, ., Photo 22. Park Shore Beach Plot 3, September 2010 \ .. , '\j C" :\1\, - ~ ':.))\ '.' .., .~. "c. ,\}./ '~"/ ',: '2:', ') -,,,- r,':/' ,~ .1- \... f; . , '~\ .... ~-' ", " ..\'\ .....-~, yo q I \\1 " \., -' '';:} ,.... j~ I ..~\'....- 1\" ... ''h J ... CAC October 14. 2010 VII-7 Staff Reports 14 of 23 ~ ... ~ .~ 7~. '::...~ If, ,j o far t h B (II a n ( ~'S:) Collier County Dune Restoration Monitoring September 2010 Event CAC October 14,2010 VII-7 Staff Reports 15 of 23 .II!~ JJ+ : i. ;' - Ii 'tJ J' ." ~ \~ I I .,j ,~'~> if' !~ .~., &~ Photo 23. Park Shore Beach Plot 4, Baseline 1 " H~~' }....., it 'II,' i\"; .. , ~ 'n 'U IlL"" ; 1,il ,J . '''".'' .:.. .\;'- A~ 't .<....-,";... .: . ~" . -.'-' ..~'.. . i. ....'. >.'.>.' . . \ ..', it \:1 "J .... .;,- j '~ ',.r' ,1 "'i.,"" v~.,-..,. -""-. i \ '\k \ ',".\ \,', .>:-.'~'~~::"<': ~:_",- -'-'';\.; Photo 24. Park Shore Beach Plot 4, September 2010 Collier County Dune Restoration Monitoring September 2010 Event o '~i farth BiJlanc~- CAC October 14. 2010 VII-7 Staff Reports 16 of 23 '. .. ~ L \; \'t,:~~ \~~)i';':'. " ~'.*-: t~.-.' ~.t." ,J . . ~ .' "\.' " ' -, , , . Y~<Ills,.~ ," ~ ~ \::',' S~.&iT" . r /' . -. 1 -' 1 .I / \ \,." f. '(',. \ l' il\ -s.;: "- ~, .. . ..J' " i , . { '. ! '\ .11 ,I.. ~ .I l' . \ ' .........'...'...-- . ..-.,... .. .. - J 'J ;. ~ I '" 'I J Photo 25. City of Naples Beach Plot 1, Baseline . .c.....' Photo 26. City of Naples Beach Plot 1, September 2010 Collier County Dune Restoration Monitoring September 2010 Event o f (} r t h B 0 ~ it n (~@ CAC October 14, 2010 VII-7 Staff Reports 17 of 23 ~~~,t ,# '~,i.. .~~ ~~~'* '\ "':..< , ~. .L.: l .. '.. ~. \ I ." .(.x..~, . :-~. .': >:.:. ~~';.' ~ 1/ \ ", q 1, :' ~ <<~... 't~"'~ .. /'..... . ~ .11" '.:: ... Photo 27. City of Naples Beach Plot 2, Baseline ,'i. '';:,if I .....,-. Photo 28. City of Naples Beach Plot 2, September 2010 Collier County Dune Restoration Monitoring September 2010 Event ~ { d r t h B 01 it n ( ~'~I GAG October 14,2010 VII-7 Staff Reports 18 of 23 .. ,-" .. ";';/'- - ,~; f~~. ~ "":: ~,~- , . L> -" . ~-~:--.,-- .. - ,.~. - -.,\~; .---.~ .->' :";"":j~: .. \i/_ . 1. --., . :.' 4/:;-.,.,. J.. .,"; ~.. Photo 29. City of Naples Beach Plot 3, Baseline ~-: '- Photo 30. City of Naples Beach Plot 3, September 2010 Collier County Dune Restoration Monitoring September 2010 Event V forth Bailance@ CAC October 14, 2010 VII-7 Staff Reports 19 of 23 I, ; , .' '/f' "l;..:;. \ .- " .k . &"1d W w;/' -'", '_~ --:~..:-::__.~~_-,_.__.~~F ....1 -. .' "P(";o,'e "-;~~/._.;.~,~ " -' . I!.r~.~"."'" . .; ~~~~,.";~. t; f '{~ " .-(. -l~ '. :-:-::-.} .. " /- ., " " "'\ti' ., -'~ ~:.::(- . ,,- ,,- .' .~ ~;~ ./ ;~- , . ..,~-~. ~.-~ ,'/", City of Naples Beach Plot 4, Baseline -, ,. .,........, "...",-, -t . -. \....~ ~~r:,~-c' ' -~- , '~~ .' .".:::"'" ../ I j' ~- Photo 32. City of Naples Beach Plot 4, September 2010 Collier County Dune Restoration Monitoring September 2010 Event o ,i?) {<trth Bi}I<tn(~- CAC October 14, 2010 VII-7 Staff Reports 20 of 23 ......... 1, . ;1 .". "" . , .~ .. ,.~ ;-r' .. Collier County Dune Restoration Monitoring September 2010 Event .v ~i' farthBidanceJ CAC October 14, 2010 VII-7 Staff Reports 21 of 23 Photo 35. Marco Island Beach Plot 2, Baseline . :**~iF - J; 't" o. ~'-". ..... ". ~ ,'~. '., .li"o- - 0_ fi;-~~t. :.: .J'" - -..'"" Collier County Dune Restoration Monitoring September 2010 Event o ,~ farth BiJlanc~-} CAC October 14, 2010 VII-7 Staff Reports 22 of 23 Photo 37. Photo 38. Marco Island Beach Plot 3, September 2010 Collier County Dune Restoration Monitoring September 2010 Event ~ ~ f~ far t h B (J 1 an ce ~ CAC October 14, 2010 VII-7 Staff Reports 23 of 23 t . ;.i \ ~ ~ I . ~1. .~J ~. ~. . . t..... iL ,1-., t., 1- ~. '1:(., ~~ .. ..- ~.' \ '} t.". ~ 1';- I 5(\[ ~~~)" ~;:- .\;5 ~<;"tiJ:" ,~7: :~.. " ~., f. (Y' . .... "B, \. ~~. ",,-.~ iL.._ t Photo 39. Marco Island Beach Plot 4, Baseline --:"}; tl~ ijf\~ "....; ~:. . Photo 40. Marco Island Beach Plot 4, September 2010 Collier County Dune Restoration Monitoring September 2010 Event o ti". [a r t h B ill it n (~~ 'Oi...... tA1 Z ) ~ ~~ ') f:J'Q ......... ,...........0 U ~ en %% 0- tn....,. 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II) < ~ r+ -- -'-' ;:; ~ "'C - ::r -- -- ~ ca. ::r '" ... r+ fQ \I'} -- to -- 3 'II ::s "'C (1) C7Q - II) to OJ n C7Q I'D . . . . n r+ 0 0 0 0 c - ~ - ~ ~ r+ tD . ~ -. n ~ r+ ~ 0 c OJ r+ -- OJ r+ n )( :r r+ )> C to 0 OJ C- - >< C7Q n -I C- O OJ n r+ C 0 -- ~ r+ -. -I < ~ - - -- - - o:J C7Q c.. tD 0 n I OJ C r+ ::J tD QJ 0 C7Q -c r+ ~ -- -- V' tD r+ 0 ~ tD ::J r+ ~ OJ OJ '" - Ut ~ r+ c.. tD - n trjz V' 0 >> < ;\) " n"'O " "'1 OJ - } os. ::r - :fi - to tD n V' r+ B """" > r Q.. . . . . ::a ::a tD n - ~ - 0 c - n 3 V' 0 OJ V' n ~ ::I: 3 -- OJ n to 0 r+ to OJ ::s 0 c.. -h ~ OJ ."OQ r+ V' -- -- ::J r+ r+ < tn -c N n r+ - 0 n ::s tD ~ 0 -c to -. ~ ::s ~ V' -- Z - -h 0 1J 0 0 < C tD 3 ~ 3 c.. ~ triz >> < ~ ~ (1)_ " "'1 ..... t OQ ::r ;:-\1'} . ~3: ;ll , C tD RO c -- ~ ::J ~ tr~ ., 0<"'0 i oa ..... oEr'~ ~ ~~ V1~ :~i CAC October 14, 2010 VIII-2 New Business 1 of 5 Collier County Fund 195 Beaches/Inlets Revenue Vs. Expense Analysis Key Comments - 10/12/2010 The CAC recognizes that our beaches and the visitor "beach" experience is the single most important factor in attracting visitors to Collier County. This has been consistently restated in visitor exit surveys conducted by the TOe. Keeping our beaches and the beach experience one that our visitors enjoy should be the most important objective of this community. A four year analysis of Fund 195 Revenues and Expenditures indicates that TOC funds are not sufficient to meet our current level of service without additional funding. In the past, we have augmented our TOC funding with federal, state or other funding grants. Federal and state funding however is harder and harder to obtain and a successful program cannot be built or maintained by relying on unreliable, sporadic federal funding or by cutting TOC funds to maintain our beaches/park facilities. Local communities that in the past have benefited from federal and state funding are now seeking a more reliable and consistent source of revenue. Collier County's program is now the envy of other local governments throughout the state. Some key points to remember from our beach program is that: 1. A major renourishment reserve of $2M and emergency reserve of $500K is required by statute to be set aside each year to fund future beach work. Our yearly operation for Inlet maintenance, regulatory compliance, hot spot renourishments and beach maintenance does not have access to these funds to perform our required yearly operations. 2. The major beach renourishment reserve does not include any funding for Inlet maintenance or Marco Island beach work. '3. Collier County maintains five inlets that are dredged for maintenance/beach renourishment on an 18 month to 5 year sequence. Funds for these activities have not been set aside. 4. Marco South Beach is renourished on a five years sequence. Set aside funds have not been allocated for this activity. 5. Major beach renourishment is based on a 10 year renourishment cycle. If a shorter cycle is required, fund allocation may be insufficient. To have a successful beach experience we also cannot forget our beach park facilities. Our beaches must be well maintained, clean, attractive, and environmentally healthy with adequate parking access. In addition, our beach park facilities must provide water; a clean well maintained and attractive bathroom; a concession and the ability to provide for personnel protection from lighting, storm and sun. These facilities are critical to our inland hoteliers and visitors that do not have direct access to the beach. All these items make our beach program successful. We need adequate funding to maintain our program and positive beach experience. CAC October 14, 2010 VIII-2 New Business 20f5 Fund 195 - Beaches/Inlets Revenue Vs. Expense Analysis Coastal Zone Management Department FV 2006/07 FV 2007/08 FV 2009/10 FV 2010/11 Four Year Avg Annual Revenue From TDC $4,556,000 $4,857,500 $4,355,000 $4,194,531 $4,490,758 Less Major Renourishment Reserves ($2,000,000/Yf.) ($2,000,000) ($2,000,000) ($2,000,000) ($2,000,000) ($2,000,000) Less Emergency Reserves ($500,000/yr) ($500,000) ($500,000) ($500,000) ($500,000) ($500,000) Less Tax Collector Fee (2.5%) ($113,900) ($121,438) ($108,875) ($104,863) ($112,269) Less Revenue Reserve (5%) ($227,800) ($242,875) ($217,750) ($209,727) ($224,538) Less Debt Service and Transfers ($593,500) $0 $0 $0 ($148,375) Revenue Remaining $1,120,800 $1,993,188 $1,528,375 $1,379,941 $1,505,576 Expenses Regulatory and Permit Compliance $825,900 $961,100 $703,159 $442,100 $572,630 Beach/Pier Maintenance and Cleaning $397,000 $241,200 $285,000 $340,850 $312,925 Admistrative Fee's $374,400 $480,000 $500,000 $511,100 $505,550 Indirect Administrative costs - County $0 $0 $0 $117,700 $58,850 Sub-total Expenses $1,597,300 $1,682,300 $1,488,159 $1,411,750 $1,449,955 Revenue Remaining without any Inlet or Marco Projects -$476,500 $310,888 $40,216 -$31,809 $55,621 Authorized Projects less Major County Beach Renourish Wiggins Pass Master Plan Permit/Engr $160,717 Clam Pass Ebb Shoal Modeling $125,000 Marco Beach Breakwater/Renourish Study $100,000 Hideaway Beach Erosion Control Structures $1,600,000 Sand Source permitting - Cape Romano $50,000 Marco Breakwater and Doctors Jetty Rebuild $700,000 Naples Drainage Study $50,000 Park Shore Emergency Dredge Engineering $40,000 Emergcy Truck Haul- Park Shore/Doctors Pass $1,500,000 Wiggins Pass Intermediate Dredge Engineering $20,000 Wiggins Pass Inlet Management Plan and EIS $125,178 Wiggins Pass Intermediate Dredging $750,000 Clam Pass Water Quality Modeling $50,000 FY12/13 Marco Beach/B'water Analysis/Design $150,000 Sub-total Authorized Projects $685,000 $3,734,700 $2,785,717 $2,635,178 $2,460,149 Revenue Remaining with Authorized Projects -$1,161,500 -$3,423,813 -$2,745,501 -$2,666,987 -$2,404,527 a .,.. a lJ) N lJ) - OJ '<t" .5 .,.. lJ) ~ ::l OJ OJ -g ~ lJ) - OJ ... 8Z ~ o ~ ~ ~ <( == ~ 0> III Z o 1= o w .., o 0:: a. 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"5 .. a:: ~ o .:: !!! ~ III " e " III CII ~ CII III CII 0:: ji {!. CAC October 14, 2010 VIII-2 New Business 40f5 RESOLUTION NO.1 0- A RESOLUTION OF THE COASTAL ADVISORY COMMITTEE OF COLLIER COUNTY, FLORIDA PROVIDING ITS SUPPORT FOR YEAR ROUND DESTINATION ADVERTISING, SUPPORT FOR A FIFTH PERCENT OF TOURIST DEVELOPMENT TAXES FOR THIS PURPOSE, AND OPPOSITION TO THE REALLOCATION OF THE CURRENT FOUR PERCENT OF THE TOURIST DEVELOPMENT TAX. WHEREAS, the Coastal Advisory Committee of Collier County, Florida is charged with assisting the Board of County Commissioners (BCC) with its establishment of unified beach erosion control and inlet management programs and to advise the BCC and Tourist Development Council (TDC) of project priorities with respect to funding sources that are available to the County for restoration and protection of its shoreline pursuant to Ordinance No. 01-3; and WHEREAS, the Coastal Advisory Committee has discussed and carefully considered options presented regarding the County's need for year-round destination advertising, the potential to add a fifth percent to the current Tourist Development Tax, and whether to reallocate the current four percent of the tax which would negatively affect the beach maintenance, beach renourishment, and beach park facility fund(s); and WHEREAS, Coastal Advisory Committee is in support of year-round destination advertising and in support of adding a fifth percent to the current Tourist Development Tax. The CAC is opposed to reallocating the current four percent Tourist Development Tax if the reallocation will negatively affect the beach maintenance, beach renourishment, and beach park facility fund(s); and CAC October 14, 2010 VIII-2 New Business 50f5 WHEREAS, the Coastal Advisory Committee finds that the current level of funding (approximately fifty percent of the total tax collected) is necessary for beach maintenance, beach renourishment, and beach park facility fund(s); and WHEREAS, the Coastal Advisory Committee forwards this Resolution and recommendation to the Tourist Development Council and the Board of County Commissioners for consideration. NOW THEREFORE, BE IT RESOLVED BY THE COASTAL ADVISORY COMMITTEE OF COLLIER COUNTY, FLORIDA, that the CAC supports year-round destination advertising, supports adding a fifth percent to the current Tourist Development Tax, and opposes reallocating the current four percent Tourist Development Tax if the reallocation will negatively affect the beach maintenance, beach renourishment, and beach park facility fund(s). BE IT FURTHER RESOLVED that the CAC forwards this Resolution and recommendation to the Tourist Development Council and Board of County Commissioners for consideration. PASSED AND DULY ADOPTED by the Coastal Advisory Committee of Collier County, Florida, this day of ,2010. By: COASTAL ADVISORY COMMITTEE, CHAIRMAN Approved as to form and legal sufficiency: Colleen M. Greene Assistant County Attorney 2005-001144 CAC October 14, 2010 VIII-3 New Business 1 of 8 Summary of Preliminary Findings on Sediment Studies Purpose of Sediment Studies A previous study by PBS&J (2009) determined that existing water quality data within the Clam Bay system (Upper, hIDer and Outer Clam Bay) indicated that portions of the Clam Bay system would likely be classified as "impaired" for water quality if the data collected in Clam Bay were placed into STORET (as is required by Florida Statute) and subsequently analyzed by the Florida Department of Environmental Protection (FDEP). This finding was mostly based on the finding that levels of dissolved oxygen (DO) were frequently below standards described in FDEP's Impaired Waters Rule. Additionally, portions of Clam Bay have occasionally exceeded threshold values of chlorophyll-a (an indicator of phytoplankton abundance) established in the IWR. However, environmental conditions in Southwest Florida are such that "impairment" is often found in reference sites away from human influences (e.g., McCormick et al. 1997) and PBS&J (2009) recommended that Collier County work with FDEP to develop site-specific alternative criteria for DO and chlorophyll-a, rather than simply adopt what could be inappropriate water quality standards. Development of a SSAC for DO, and possibly for chlorophyll-a as well, would allow Collier County to respond to actual water quality problems, without diluting its efforts by pursuing fixes to "impairments" as directed by FDEP. This project update summarizes the preliminary results received to-date (August 2010) related to the assessment of sediments within Outer Clam Bay, and gives some background information related to the justification of concerns about the ecological health of Clam Bay. Background Literature on Clam Bay In Clam Bay, prior assessments of its ecological health have often portrayed the system as having potentially serious problems, despite its designation as a Natural Resources Protection Area. An early study from the US Environmental Protection Agency (EP A 1977) determined that while water quality did not appear to be problematic in Clam Bay, there was a reduced diversity of invertebrates in areas (usually in deeper depths) with more fine-grained sediments. Further, this study suggested that current velocities in excess of Y2 knot would keep such fine- grained sediments in suspension. In a 1987 study, staff from Collier County's Department of Natural Resources Management described Clam Bay as a".. . stressed bay in a developed area in North Naples surrounded by . small single family residences. This bay has received freshwater input from a drainage canal for twenty years and more recently, has been surrounded by a huge PUDIDRI named Pelican Bay." In that study (Collier County 1987), the authors concluded that the sediment-dwelling organisms within Clam Bay were dominated by organisms that are".. . often characteristic of stressful . conditions." The authors listed a number of possible factors that could have caused such conditions, such as: 1) reduced flushing of Clam Bay via Clam Pass, 2) sedimentation processes due to waves and/or currents within Clam Bay, 3) natural biological processes such as predation and/or competition, and 4) pollution and/or alteration of freshwater inflows due to development CAC October 14, 2010 VIII-3 New Business 20f8 of the watershed. In the 1997 Annual Report for the Clam Bay Natural Resource Protection Area, the following conclusions were reached: 1. Nitrogen and phosphorus concentrations in the stormwater treatment ponds throughout watershed had increased over time 2. Nitrogen and phosphorus concentrations within the estuarine waters ofthe Clam Bay system had increased over time 3. There were indications that stormwater discharges were". . . causing the estuarine conditions to rise." 4. Mean DO levels in Clam Bay often fell below IWR guidance 5. Levels of cadmium, chromium, copper, lead and zinc exceeded natural levels at an existing outfall location in Upper Clam Bay, and 6. While levels of arsenic, cadmium, chromium and copper were elevated at some locations, these stations were located close to bridges using pressure treated wood, and that the use of piling sleeves of some sort could ". . . keep these contaminants from leaching from pilings in the future." In an assessment of the health of mangroves in the Clam Bay estuary, Worley (2005) noted that "Recent large-scale die-offs of black mangroves indicate that the impacts of intense development over the past three decades have influenced the demise of portions, if not all, of formerly pristine mangrove forests." Further, it was noted that the increased water levels and extended hydroperiods that contributed to extensive mangrove die-off were likely from stormwater runoff that would be expected to be ". . . higher in nutrients and pesticides (among other features) due to landscaping and golf course maintenance practices." And in the general biological survey of Clam and Moorings Bay conducted by PBS&J (2009) it was found that the Redox layer, an indicator of how deep into the sediments oxygen can penetrate, was quite shallow in most of Clam Bay. The predominance of fine-grained sediments in Clam Bay had previously been noted by Collier County (1987) and the potential for such sediments to be influenced by flushing rates within Clam Bay, and to have detrimental impacts on benthic invertebrates, was previously noted by the US EP A (1977). Based on these results, as well as the results of the seagrass mapping and pollutant loading model developed by PBS&J (2008) Collier County proceeded with additional sediment characterization efforts in Clam Bay. Recent Findings Based on recommendations outlined in the PBS&J (2009) report, Collier County pursued a series of additional assessments focused on sediments within Clam Bay. These studies included an assessment of the physical and chemical characteristics of sediments throughout the Clam Bay system (including organic content, carbonate content), an assessment oflevels of toxins throughout the bay, and an assessment of the relative rate of accumulation of sediments throughout the bay. At this time (September 1,2010) the physical and chemical characteristics CAC October 14, 2010 VIII-3 New Business 30f8 assessments are complete, and preliminary findings on the relative rate of accumulation of sediments have been communicated to PBS&J from researchers at Louisiana State University. Sampling site locations for the sediment characterization (organic and carbonate contents, toxin levels) efforts are shown Figure 1. Figure 1 - Station locations for sediment physical and chemical characterization efforts. Stations 1,2, and 3 are located within dead-end canals in the Seagate neighborhood. Station 11 is located within the channel that connects Clam Bay and Moorings Bay. Stations 4 through 9 are located throughout the open waters of Outer Clam Bay (as is a vibracore [i.e., a deeper core] station). Station 12 is located in Inner Clam Bay. Station 13 is in Upper Clam Bay, and Station 10 is located in the channel between Upper and Inner Clam Bay. Table 1 summarizes the grain size, organic content, and carbonate content from cores taken in these locations. CAC October 14, 2010 VIII-3 New Business 40f8 Table 1 - Sediment characteristics from the Clam Bay system (see Figure 1 and text for station locations) l\1e~ln l\fedian Organic Sample (mm) (mm) Fine~ll CarbcVo ~iO CP-] 0.41 0.17 22.4 18..8 13.7 CP-2 0.18 0.16 5.6 4.9 3.4 CP-3 0.25 0.17 177 14.2 10.1 -., CP-4 0.19 0.14 18.9 9.2 4.7 CP-5 0.19 0.15 15.1 8.4 4.1 CP-6 0.17 0.15 9.8 5.5 3.0 CP-7 0.17 0.14 13.5 7.4 4.3 CP-8 0.18 0.14 14.1 8..8 4.4 CP-9 0.16 0.14 8.9 5.6 3.4 CP-IO 0.18 0.15 5.5 4.8 .. "} ,j..... CP-11 0.17 0..15 6.3 3..8 1.9 CP-12 0.15 0.14 6.3 4.4 2.9 CP-13 0.18 0.15 8.7 7.3 47 Median and mean grain sizes differed substantially at some locations. Areas with the greatest difference between mean and median values (stations land 3) were also the two areas with the highest carbonate content. This suggests that mean values were skewed to some degree by the influence of shells and other carbonate materials; their affect on means would be greater than on medians, as median values reduce the impact of statistical outliers. In general, the highest percentages of fine grained sediments are found in the stations located within the Seagate canals, as well as the stations located in the central region of Outer Clam Bay. Stations located in the southern edge of Clam Bay (stations 6 and 9) and within the channel between Clam Bay and Moorings Bay had lower percentages of fine grained sediments. An exception to this pattern is station 2, which was located within a canal, but had the second lowest percentage of fine grained sediments of any locations sampled. Percent organic contents were considerably higher in two of the three canal locations (the exception being site 2). The lowest organic content was from the station located in the channel between Clam and Moorings Bays. Organic contents at stations in the open water areas of Outer Clam Bay (stations 4 through 7) ranged between 3.0 and 4.7 percent. Stations north of Clam Pass (stations 10, 12 and 13) had organic contents that ranged from 2.9 to 4.2 percent, within the range of values from Outer Clam Bay, but lower than two of the three canal sites, and higher than the channel between Clam Bay and Moorings Bay. CAC October 14,2010 VIII-3 New Business 50f8 In addition to basic sediment characteristics, a more detailed assessment of metals contamination was undertaken at a sub-set of stations throughout the Clam Bay system. Values (mg / kg) are shown in Table 2, along with an assessment of whether or not levels met two threshold criteria, two Soil Cleanup Target thresholds, and two Environment Impact Limits. Table 2 - Metals contents from various sites in the Clam Bay system. ( mg/kg) Results (Totals) Soil Cleanup Target Environmental Levels Impact Limits CP- CP CP CP- CP SCTL SCTL Metal 2 -6 -8 12 -13 Residential Commercial TEL PEL Aluminum 2020 749 900 575 771 80,000 * nla nla Arsenic 12 7.24 41.6 0.9 1.3 1.8 1.1 Barium 2.2 1,8 2.7 1 2 120 130,000 n/a nla 0.07 Bervlium 0.13 0.064 0.18 0.056 1 120 1,400 n/a n/a Cadmium 0.08 82 1,700 0.68 4.21 0.18 0.072 U 0.047 7 Chromium 210 470 52.3 160 10.1 5.3 7.1 4.1 5.7 Copper 150 89,000 18.7 108 7.7 2.4 4.2 2.2 0.98 Lead 400 1,400 30.2 112 3.1 0.98 U 0.67 0,69 Mercury 0.00 3 17 0.13 0.7 0.035 0.016 0.017 0.012 6 Nickel 340 35,000 15.9 42.8 1.9 0.82 1.1 0.8 0.94 Selenium 440 11,000 nla ilia 0.86 0.42 U U 0,53 Silver 410 8,200 0.73 1.77 U U U U U *contaminant is not a health concern for this scenario U = Undetected at MDL Metals levels were assessed at Stations 2,6,8, 12 and 13. These stations represent sites within the Seagate Canal (2), Outer Clam Bay (6 and 8), Inner Clam Bay (12) and Upper Clam Bay (13). The only station to have a metals content that would suggest problematic levels was from the Seagate Canal (station 2) for arsenic. At all other locations, no metals levels appeared high enough to be of much concern, at this time at least. The final sediment-related study involved an assessment of the relative rate of sediment accumulation, which is not fully complete at this time, and which was conducted by faculty and staff of the Louisiana State University. Researchers from LSU were chosen due to their prior experience doing similar studies in Charlotte Harbor (Turner et al. 2006). Sampling locations for this study are shown in Figure 2. CAC October 14, 2010 VIII-3 New Business 60fB Figure 2 - Station locations for sediment accumulation rate efforts. Using techniques similar to those used in Charlotte Harbor (Turner et al. 2006), the relative rate of sediment accumulation over time was assessed at these locations. While final results are not yet available, the researchers involved in this effort have informed PBS&J that levels of organics at most sites were not high enough to allow for the use of the two dating techniques utilized (Gene Turner, personal communication). As such, it is not likely that sedimentation rates can be calculated for Outer Clam Bay. While sediment accumulation rates within Outer Clam Bay could be such that perhaps several feet have accumulated in the past few decades, it is equally possible that sediment accumulation rates have not exceeded an entirely natural rate. Overall Conclusions In general, sediments throughout most of Outer Clam Bay do not appear to have organic contents much in excess of sediments in Inner and Upper Clam Bays. Canals within Seagate mostly have higher organic contents, however. The relatively low levels of organic contents suggest that Outer Clam Bay does not appear to be exhibiting symptoms of excessive nutrient enrichment, from its highly developed watershed. If Outer Clam Bay received significant nutrient loading, with a concurrent long residence time, phytoplankton and/or macro algal blooms would be expected to enrich the bottom sediments with significant quantities of organic material; that does not appear to be occurring. The lack of evidence for excessive nutrient enrichment of the bottom sediments may be due, perhaps, to the significant stormwater treatment system of the Pelican Bay development, as noted in PBS&J (2008). Additionally, the net movement of water between CAe October 14, 2010 VIII-3 New Business 70f8 Clam Bay and Moorings Bay appears to be southward - untreated stormwater runoff from Moorings Bay neighborhoods does not appear to have a large impact on Clam Bay. However, it does appear that Outer Clam Bay is a "sink" of sorts for fine-grained sediments, perhaps due to the reduced velocities in this system. Levels of metals in Clam Bay sediments did not exceed threshold levels except for a site within the Seagate canals; this elevated level of arsenic could in fact be due to the use of pressure- treated wood for docks in that canal. Results from these efforts do support prior conclusions that Outer Clam Bay's sediments being mostly a mixture of fine-grained sediments, rather than sand. These fine grained sediments in Clam Bay have been postulated to be potentially related to reduced velocities within Clam Bay (US EPA 1977, Collier County 1987). Areas of Clam Bay with fine-grained sediments had been previously shown to have lowered diversity of benthic invertebrates (Collier County 1987). Regardless of the importance (or lack thereof) of sediment-related issues in Clam Bay, Collier County should continue to collect water quality and biological data within the bay, and to work with FDEP to develop locally-appropriate and protective water quality criteria for the Clam Bay system, as it is likely that water quality data will continue to show "violations" of existing criteria for various water quality parameters, most likely due to the inappropriateness of many standards for Southwest Florida (i.e., McCormick et al. 1997). CAC October 14, 2010 VIII-3 New Business 80f8 References Clam Bay Natural Resource Protection Area. 1997. Annual Rellort. 17 pp. Collier County. 1987. Preliminary Analyses of Seagrass and Benthic Infauna in Johnson and Clam Bays. Collier County. Florida. Department of Natural Resources Management, Collier County, Florida. 29 pp. McCormick, P.V., Chimney, M.J. and D.R. Swift. 1997. Diel oxygen profiles and water column community metabolism in the Florida Everglades, U.S.A. Archives die Hyrobiologie. 140: 117- 129. PBSJ. 2008. Clam Bay Seagrass Assessment. Submitted to Collier County Coastal Zone Management Department. 44 pp. PBS&J. 2009. Clam Bay System Data Collection and Analysis. Report for Collier County Coastal Zone Management Department. 89 pp. Turner, R.E., N.N. Rabalais, B. Fry, C.S. Milan, N. Atilla, J.M. Lee, C. Normandeau, T.A. Oswald, E.M. Swenson, and D.A. Tomasko. 2006. Paleo-indicators and water quality change in the Charlotte Harbor estuary (Florida). Limnology and Oceanography 51: 518-533. U.S. EPA 1977. Field Studies - Parkshore and Clam Bay Systems Naples. Florida. Report from US EP A Region IV, Surveillance and Analysis Division. Atlanta, GA. 57 pp. Worley, K. 2005. Mangroves as an indicator of estuarine conditions in restoration areas. Pp. 247-260. In: (S. Bortone, ed.). Estuarine Indicators. CRC Press. Boca Raton, FL. ~~t~~ 10f11 1 J -- 1(}~.) fJllAf(rr ~)}'Jj 1J4ff1f 11~ ) I JJMyrrif' ffl 4 p~ ~ wI FPq :1'1 ~~ ~~ ~rr -7 lUf b..., f7J~ ~ I=tJr:l ~y~ SCOPE OF WORK for PREPARATION OF INLET MANAGEMENT PLAN, COUNTY ENVIRONMENTAL IMPACT STATEMENT, ADDITIONAL MODELING AND GEOTECHNICAL INVESTIGATION FOR DESIGN AND PERMITTING OF WIGGINS PASS IMPROVEMENTS ~ 1t 4 j ~ The enclosed scope of work describes additional tasks necessary to complete the permitting process for a new 10 year permit for Wiggins Pass. These tasks were not included in the initial Engineering and Permitting scope of work for Wiggins Pass, since they were identified following its approval. The tasks include: $ 9,227 $55,374 $23,065 $39.337 $50,486 < Task 1. Preparation for and Attendance at Meetings Task 2. Prepare Inlet Management Study Task 3. Prepare County Environmental Impact Statement Task 4. Modeling of Additional Alternatives Task 5. Additional Geotechnical Field Investigation TOTALT&MNTE O~~ p~ 1/2.$'"1( W/lJ ~~ This work will be based on the 1995 Inlet Management Plan prepared for Collier County (County), the recently completed Joint Coastal Permit Application (February 2010), and the Wiggins Pass Modeling Report (January 2009) for Navigation Improvements and Erosion Reduction Project for Wiggins Pass, Florida. These tasks will be incorporated into the new report and EIS, and will be the basis for responding to March 2010 RAI from the Corps and FDEP. > $177,489 I. PREPARATION FOR AND ATTENDANCE AT MEETINGS There is a need to attend meetings at FDEP with the Park Service and BBCS, and meet with agency representatives including NMFS to kick off the next phase of the project and for periodic in progress review. The number of meeting will be 2 in Tallahassee, 1 in Collier County and 2 with agency. Meeting includes preparation time. II. PREPARE INLET MANAGEMENT STUDY The Florida Department of Environmental Protection (FDEP) is requiring the preparation of a new inlet management STUDY as part of the permitting process as described below from Chapter 62B-41 Rules and Procedures for Application of Coastal Permits: (m) Demonstration of consistency with adopted statewide strategic management plan, an inlet management plan or a proposed draft inlet management plan in accordance with Rule 62B-41.005(16). If not included in the inlet management plan the applicant will provide the following: 1. A description of the physical characteristics of the inlet; 2. A sediment budget for the inlet; 3. An analysis of the stability and hydraulic characteristics of the inlet including current velocities, tidal prism and current patterns of the flood and ebb tides; Collier County 1 ~5~ I~~ ~ rb~ CAC October 14, 2010 VIII-4 New Business 20f11 4. A description of the wind and wave climate in the area of inlet influence; 5. A description of the sediment characteristics of the inlet and its related shoals; 6. The irifluence of existing manmade structures; 7. The current and historic shoreline erosion and accretion trends; 8. A statement of performance objectives and an analysis of the expected efftct of proposed coastal construction on the coastal system and marine turtles within the inlet area of irifluence; 9. An analysis of available alternative.s to the proposed coastal construction, including the no action alternative, on meeting the stated performance objective and any related effects on the coastal system or marine turtles; and 10. A demonstration of the anticipated public benefits of the coastal construction. The inlet management plan will consider the intent in the new legislation that modifies how sediments are managed at navigation inlets, which may be directive in nature as it pertains to Wiggins Pass. Specific guidance from FDEP will be provided during the report preparation process. The new legislation changes Section 161.142 and 161.143 F.S. The completed inlet modeling report, Joint Coastal Permit (JCP) application and field data collection for Wiggins Pass improvements will provide the basis for addressing the 10 requirements listed above, and will be incorporated in the fmal plan. The plan will also address comments received from FDEP during their site visit on March 10,2010 and their initial request for additional information (RAI). A committee appointed by the County will review progress of the plan preparation and their decisions will be incorporated into the plan. The initial draft plan will be submitted to the County and FDEP for their comments. The FDEP's adopted plan may differ from the County's based on the State's procedures. 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; and 4. To provide a solution that is economically effective. TASK I-A. COASTAL ENGINEERING ANALYSIS 1. Data Collection & Review. This task was largely completed with the initial permit and modeling work, but a comprehensive search will be conducted to locate recent literature and data to supplement the previously developed history of recent natural and manmade modifications to the inlet and adjacent areas. Recent topographic and bathymetric data of the navigation channel and ebb and flood shoals will also be compiled. Potential data sources include FDEP and County beach and inlet profile surveys, high density LiDAR data, or other local entities including previous data collection and compilation by other Collier County 2 CAC October 14, 2010 VIII-4 New Business 3 of 11 local consultants. Available aerial photography may be utilized to provide supplemental shoreline position information. 2. Shoreline Position Maooinl! & Chanl!e Analvsis. The analysis of shoreline positions will provide the basis for assessing short-term and long-term shoreline change. The consultant will consider episodic sediment transport trends resulting from hurricanes, inlet modifications and beach nourishment. We will analyze and document inlet activities that have occurred since dredging began in 1984 and evaluate if those activities may have had impacts to the inlet shoreline or adjacent areas. The consultant will use a geographic information system (GIS) approach to compile and analyze the temporal shoreline position change analyses. The GIS analysis will enable temporal and spatial comparison of FDEP historical shorelines and historical aerial photography. For time periods where survey data are not available, shoreline changes will be estimated from the interpretation of aerial photographs. An effort will be made to collect photos in digital format. If only hard copies are available, they will be scanned and geo-rectified using GIS so that shorelines can be mapped. Special considerations will be given to short-term changes so natural and man-made responses are not minimized by averaging data. Inlet ebb and flood shoal configurations, channel orientation and dimensions will be illustrated with available aerial photography sets. The inlet change data will be compared to beach shoreline changes to identify correlations and shoal configurations. 3. Volumetric Changes and Sediment Budl!et Update. Apost-dredge sediment budget analysis will be used to describe the sediment transport pathways in the vicinity of Wiggins Pass and adjacerit beaches. It will be compared to the sediment budget from the 1995 study. The sediment budget will be expanded beyond the l-mi monitoring area north and south of the inlet. Available wind, wave, and tidal data will be reviewed. The wave climate will be assessed in the vicinity of the project to determine the representative range of incident wave angles, wave heights, and wave periods. The intent is simply to help confirm the influences of storms and of changes in inlet and nearshore morphology on the sediment transport patterns. The inlet area of influence will be defmed and inlet impacts and solutions will be determined based on these zones. An odd-even analysis will be based on this defined regIon. 4. Development of Inlet Manal!ement Alternatives. The consultant will identify and describe various non-structural alternatives to improve sediment management within Wiggins Pass. No structural alternative will be considered. The alternatives will address methods to control inlet channel migration, channel modifications, dredge management Collier County 3 CAC October 14, 2010 VIII-4 New Business 4 of 11 options for the navigation channel entrance, and sand distribution and bypassing to re- establish near-historic levels of sediment transport. Quantity and costs will be developed for the selected alternative that is shown to be viable. The performance of viable management options will be evaluated in Task B. Alternatives will consist of various channel dimensions, orientations, and on-and- offshore disposal plans compared to the existing conditions. TASK I-B. WAVE & CURRENT MEASUREMENTS, MODELING AND STABILTY CURVE The consultant has previously deployed two acoustic Doppler current profilers (ADCPs) in the study area for a period of one month. The tide height, current and wave information collected from this deployment was used to calibrate the Delft-3D model determining effects such as wave damping and wave transformation as waves approach the nearshore. The results of field data collection and modeling will be described and illustrated in the plan per items 1 and 4 above. The measured wave, current and water level data will also be delivered in raw and processed (time series) formats on a CD-ROM. Survey data was collected during the wave measurement programs, and will be used to develop an updated stability curve for the inlet which will be compared to the historic curve developed in the 1995 plan. The results of the modeling (including Task IV) will be summarized and illustrated in the modeling section. TASK I-C. IMP COORDINATION AND MEETING 1. Project Adminis1ration. The consultant will attend meetings with FDEP, the Coastal Advisory Committee (CAe) and its Sub-committee on Wiggins Pass, and assist with formulating a plan acceptable to a broad range of local and state interests. Coordination with FDEP Bureau of Beaches and Coastal Systems (BBCS) will be maintained throughout the process in order to solicit their comments if they do not attend the meetings. It is assumed that the consultant will attend up to three (3) Committee and Sub-committee meetings of the CAC, to be held in Naples. The consultant will prepare meeting exhibits and other project documentation. The consultant will attend the meetings and assist the County with communications with key stakeholders and development of the County's plan. TASK I-D. ENVIRONMENTAL EFFECTS OF PROPOSED CONSTRUCTION 1. Environmental Section. Previously obtained information will be incorporated into an environmental section describing the effects of the proposed construction on the coastal system and sea turtles. 2. Natural Resources Map. A map of natural resources in the project area compared to the project layout will be updated for inclusion in the report. Collier County 4 CAC October 14,2010 VIII-4 New Business 50f11 TASK I-E. PREPARATION OF UPDATED INLET MANAGEMENT PLAN 1. Preparation of Draft Report. The consultant will prepare a draft IMP based on the coastal engineering analysis, updated sediment budget and numerical modeling results of management alternatives. The report will summarize the construction quantities and estimated costs as well as the impact on adjacent beaches, channel shoaling and maintenance requirements. The consultant will also summarize potential environmental issues that may affect the permitting of inlet modifications. Based on the results of the investigations, the consultant will recommend a modified inlet and beach sediment management approach. The draft of the IMP will be submitted to the County and the FDEP for review and comment. 2. Preparation of Final Report. Based on County, State, Federal and public comments, a final updated Inlet Management Plan will be prepared. Five (5) printed copies and digital CD-ROM copies of the fmal report will be provided to the County and FDEP. Pertinent comments provided during the permit process will be integrated into the plan. m. PREPARE COUNTY ENVIRONMENTAL IMPACT STATEMENT According to Collier County Land Development Code (LDC) 10.02.02A, an Environmental Impact Statement (EIS) must be prepared in support of a Special Treatment Permit approval. Special Treatment (ST) Overlays (LDC 02.03.07) are areas within the County which, "because of their unique assemblages of flora and/or fauna, their aesthetic appeal, historic or archeological significance, rarity in the County, or their contribution to their own and adjacent ecosystems, make them worthy of special regulations." Such areas include mangrove and freshwater swamps, barrier islands, hardwood hammocks, and coastal beaches, all of which fall within the Wiggins Pass project vicinity. The purpose of the ST is to assure the preservation and maintenance of these resources. An BIS provides a method to objectively evaluate the impact of a proposed project upon these resources and environmental quality of the project area. An BIS will be prepared for this project according to the requirements listed in LDC 10.02.02A. The EIS will require the preparation of special maps, ecological analysis and engineering calculations to supplement information already prepared for the JCP permit application. The EIS will incorporate the new and existing information into the County EIS format the consultant will attend up to two (2) meetings to discuss and present the result of the EIS. IV. MODELING OF ADDITIONAL ALTERANTIVES Based on guidance from Mr. Robert Brantley (FDEP) during his field visit on March 10, 2010, the restoration of a fully developed ebb shoal may be required under the new Florida Statute regarding inlets, which would have to be built by direct placement of sand. There is a concern that the inlet will not perform acceptably without a fully developed ebb shoal with the initial construction. This alternative can have a significant cost for the County over the selected alternative, since it may contribute to frequent Collier County 5 CAC October 14,2010 VIII-4 New Business 60f11 dredging to implement the project. These concerns can be evaluated by additional long- tenn model runs (8-10 years) comparing four (4) alternatives using the same matrix comparison method developed in the January 2009 modeling report. This task includes an analysis of the following: 1. The 1970's pre-dredge inlet conditions without channel; 2. 1970's pre-dredge inlet conditions with channel; 3. The selected alternative with dredging at 4-year intervals and indirect ebb shoal construction; and 4. An alternative that directly rebuilds the ebb shoal in one construction project. RAI #1 from FDEP mandated that all alternatives must avoid or minimize the potential for adverse impact on the coastal system. This concern will be evaluated by additional medium-term model runs (4 years) comparing three (3) requested alternatives using the same matrix comparison methods developed in the January 2009 modeling report. The alternatives include an analysis of the following: 1. Avoid dredging limestone, peat, or clay substrata; 2. Avoid deflation of the ebb shoal; and 3 . Avoid loss of shorebird habitat on Wiggins Pass State Park. A tri-dimensional morphological model will be used to evaluate and compare project alternatives. The model will be calibrated to measured waves, currents and inlet and beach morphological changes as determined from Wiggins Pass monitoring data and ADCP deployments. Multi-year wave climates will be schematized from Wavewatch III Hindcast Data or simiiar data sources. Schematized wave data will be combined with tide and wind forcings and the coupling between waves, flow, sediment transport and morphology will occur in real time, at every hydrodynamic timestep. The morphological model will include multiple sediment fractions to account for sediment heterogeneity that occurs in the project area where coarser sand are found in many sections of the navigation channel and fmer sand is found on adjacent beaches. The alternatives will be refined based on the result of meetings described in task 1. TASK V. ADDITIONAL GEOTECHNICAL FIELD INVESTIGATION As part of a 2009 field investigation conducted in support of the Wiggins Pass Improvement Project, previously compiled geotechnical data as well as newly collected vibracore and jetprobe data was compiled and analyzed. The Florida Department of Environmental Protection (FDEP) requested that additional geotechnical data be collected to detennine whether geology is the key factor controlling the position of the channel within Wiggins Pass. This scope of services includes the collection and analysis of these additional cores. Twelve (12) vibracores will be collected and analyzed. The 12 core locations were reviewed by FDEP (See Jenifer Koch May 25,2010 attached E-mail) and their location is provide in the attached drawing. This scope also includes the analysis of a dozen surface grab samples to characterize surficial sediment on the Collier County 6 CAC October 14, 2010 VIII-4 New Business 7 of 11 adjacent shoreline and shoals. This new data, along with the previously assessed data, will be used to develop a geologic description of Wiggins Pass. PHASE 1: ADMINISTRATION! PLANNING Previously compiled geotechnical data will be re-evaluated and analyzed in a GIS (Geographical Information System) framework in order to provide background information in addition to the recent fmdings of the 2009 vibracore and jetprobe investigations. The information gathered during Task 2 will be used to refine the vibracore plan the consultant will coordinate with the FDEP as necessary. Prior to conducting the field operations a permit/de minimus exemption must be obtained. In order to do this, a Joint Environmental Resource Permit Application (ERP) application must be submitted to the Florida Department of Environmental Protection for review. This application requires a general project description and a map outlining the area of deployment. The Agency has ninety (90) days to review the permit application. The application is also forwarded to the Bureau of Survey and Mapping, Division of State Lands for title determination. Existing easements must be avoided during deployment or title holders must be notified of the proposed activity. The ERP application is also forwarded to the United States Army Corps of Engineers (USACE), Florida Division of Historical Resources (SHPO) and to Fish and Wildlife Services (FWS) for review and comment. The consultant will apply for the necessary permits. The consultant will complete and submit the required forms, as well as coordinate with the regulatory agencies. PHASE 2: GEOTECHNICAL SURVEY The geotechnical survey includes vibracoring to investigate potential geologic controls on the position of the Wiggins Pass channel and to better define the sediments to be dredged. Twelve (12) vibracores will be collected using the equipment and methods described below. A preliminary Vibracore plan was approved by FDEP on May 25 2010, but it should be revisited with FDEP before coring occurs. Geotechnical Survey Equipment Vibracoring A Rossfelder. P3 Vibracore, or equivalent, configured to collect undisturbed sediment cores up to 20 feet in length, will be used for this project. This self- contained, freestanding electronic vibracore unit contains a vibratory hammer assembly, an aluminum beam which acts as the vertical beam upright on the seafloor, an aluminum coring pipe, and a cutting edge. If recovery is less than 80% of the expected total penetration, the sampled portion of the pipe will be removed, a new core pipe attached, and a jet pump hose will be attached just below the vibracore head. After lowering the rig to the bottom and jetting to one (1) or two (2) feet above the refusal depth, the jet will be turned off and the vibrator turned on in order to attempt to collect the remaining core. Collier County 7 CAC October 14, 2010 VIII-4 New Business 8 of 11 At each core location a vibracore will be taken. If field measurements indicate that less than 80% recovery has been achieved, then up to two additional cores will be taken, or a hydraulic jetting technique will be used to facilitate sampling below previously retained material. In the event a jet is used, the recovery of the original vibracore and additional vibracore sections will be combined to determine total recovery. Should the above procedures not result in 80% or more recovery, then this drilling effort will be considered a completed core for purposes of payment under this contract. Geotechnical Data Analysis Sediment Sample Analysis Upon completion of field operations, all vibracores will be transported to a lab. There, the vibracores will be logged by describing sedimentary properties by layer in terms of layer thickness, color, texture (grain size), composition and presence of clay, silt, gravel, or shells and any other identifying features. The vibracores will be photographed in 2.0 ft intervals. Sediment samples will be extracted from the vibracores at irregular intervals based on distinct stratigraphic layers in the sediment sequence. The relative strength of the clay will be assessed on a method to be determined. The vibracores will then be wrapped and archived. Cores will be stored for a period of up to one (1) year. After this time, cores will either be relinquished to the client or stored for an additional annual cost of $25 per core. Mechanical Sieve Analysis The sediment samples (vibracore samples and grab samples) will be analyzed to determine color and grain size distribution. During sieve analysis, any obvious uncharacteristically large fragments (such as whole shell or large shell fragments) will be removed and the description (weight and size) of the material will be noted. The wet, dry and washed Munsell colors will be noted. Sieve analysis of the sediment.samples will be performed in accordance with the American Society for Testing and Materials (ASTM) Standard Methods Designation D 422-63 for particle size analysis of soils. This method covers the quantitative determination of the distribution of sand size particles. For sediment fmer than the No. 230 sieve (4.0 phi) the ASTM Standard Test Method, Designation D 1140-00 will be followed. The sieve stack used for mechanical analysis will conform to the BBCS guidelines provided in Table 1. Collier County 8 CAC October 14, 2010 VIII-4 New Business 9of11 Table 1. Mesh sizes to be usedfor granularmetric analysis. Sieve No. 3/4 5/8 7/16 5/16 312 4 5 7 10 14 18 25 35 45 60 80 120 170 200 230 Size (phi) -4.25 -4.0 -3.5 -3.0 -2.5 -2.25 -2.0 -1.5 -1.0 -0.5 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 3.75 4.0 Size (mm) 19.00 16.00 11.20 8.00 5.60 4.75 4.00 2.80 2.00 1.40 1.00 0.71 0.50 0.36 0.25 0.18 0.13 0.09 0.08 0.06 Weights retained on each sieve will be recorded cumulatively. Grain size results will be entered into the gINT@ software program, which computes the mean and median grain size, sorting, silt/clay percentages for each sample using the moment method. Carbonate Testing Approximately half of the samples extracted from the vibracores will be tested for carbonate content. Carbonate content will be determined by percent weight using the acid leaching methodology described in Twenhofel, W.H. and Tyler, S.A., 1941. Methods of Study of Sediments. New York: McGraw-Hill, 183p. Samples representing material above the proposed channel cut depth will also be extracted from the cores previously collected by the consultant in 2009. These samples will also be tested for carbonate content. PHASE 3: PRODUCT AND REPORT DEVELOPMENT A final report summarizing the results of this vibracore investigation and discussing the geology of Wiggins Pass will be prepared and submitted to the FDEP and Collier County. This report will include project results, including vibracore logs, vibracore photographs, granularmetric reports and grain size distribution curves. The report will address FDEP's RAI questions from their March24, 2010 letter and the May 4,2010 meeting. The report Collier County 9 CAC October 14, 2010 VIII-4 New Business 10 of 11 . . will also include figures showing the estimated distribution of sand, organics, clay, rock substrate and silty material suitable to address FDEP questions and develop a dredging plan. The consultant will provide geotechnical information in an electronic format suitable for input to the FDEP Reconnaissance Offshore Sand Search (ROSS) database as required by the FDEP. The data will be submitted in Access or gINT files. The Wiggins Pass Geotechnical Investigation will be conducted to the industry standard of care and will coordinate the investigations with FDEP as required. V. CONSTRUCTION SERVICES: TBD: Plans, specification, construction observations, surveys, post-construction report and certification. 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" ... ;! ~ CAC October 14,2010 VIII-5 New Business 10f6 COASTAL PLANNING & ENGINEERING, INC. . 2481 NW BOCA RATON BOULEVARD, BOCA RATON, FL 33431 561-391-8102 PHONE 561-391-9116 FACSIMILE Website: www.coastalolanninll.net E-mail: mail@coastalolanninll.net September 29,2010 Gary McAlpin Collier County Government W. Harmon Turner Bldg., Suite 103 3301 E. Tamiami Trail Naples, FL 34112 Subject: Beach Berm Restoration and Wiggins Pass Dredging, Coastal Design Services, Collier County, Florida Scope of Work under Contract No. 09-5262 Dear Gary: Enclosed is a scope of work, fee proposal and rate sheet for a combination of these two projects: Beach Berm Restoration and Wiggins Pass Dredging for Collier County, Florida. The hourly not to exceed cost for these services is $10,000. The services include preparation of plans and specifications, and limited permitting and bidding services supporting the Coastal Zone Management and Purchasing Departments. Pre-, during- and post-construction services are not included, pending a better understanding of these phases. All surveys have previously been conducted or will be assigned to the contractor during construction. If you have any questions regarding this scope of work, please call me. Sincerely, Ste en eehn, P .E. Senior Coastal Engineer cc: Sheri Dindial, CPE CAC October 14,2010 VIII-5 New Business 20f6 Beach Berm Restoration and Wiggins Pass Dredging Coastal Design Services Collier County, Florida Scope of Work under Contract No. 09-5262 September 29, 2010 Introduction: This scope of work describes the preparation of joint contract documents for a combined beach fill and inlet maintenance dredging project. The contract will be set up to select the lowest joint bid or the lowest individual bid for the two (2) tasks, whichever is least. The scope covers preparation of plans, specifications and a bidding form based on previous plans, surveys, permit sketches or technical specifications. CPE will assist the County with bidding. Final permitting tasks for maintenance dredging and the beach fill project will be addressed to the limit of funding. The final plans and specification will be prepared for submittal to FDEP for the NTP. Pre-, during- and post- construction services are not included in this SOW and will be proposed when the scope is better understood. The project segments include: 1. Small Beach Berm Restoration Project (truck haul) South of Doctors Pass and Seagate Access in Park Shore 2. Wiggins Pass Maintenance Dredging The plans will be based on the existing surveys and permit sketches. Pre- and post- construction surveys will be taken by the contractor as a basis for updating the construction profiles, verifying pay quantities and for use in a post-construction report. The plans and specifications will be set up with separable sections within the contracting documents. A. Joint Plans and Specification Plans, specifications and joint bidding instruction will be prepared to combine the two projects as described below. This task will take priority over Band C below and any final permitting task within the limit of the approved funding. Wiggins Pass Maintenance Dredging Due to unsafe navigation conditions currently at Wiggins Pass, engineering services of a maintenance dredging project are proposed. The project will bring depths within the channel to permitted depths and remove infill from the main channel. The construction plans will include plan and cross-sections views sufficient for the construction of the channel maintenance dredging project, and will be based off of the permit sketches. The plans will provide survey control information which will allow the contractor to control and construct the channel. The spoil site will be delineated with the disposal cross sections allowed by FDEP and USACE permit conditions. The plans will be based on the July 2010 channel monitoring survey, and the previous plans and CAC October 14,2010 VIII-5 New Business 30f6 specifications developed by CPE for the last dredging project. Specifications developed for the project will include: Supplemental General Conditions within Technical Specifications. Small Beach Berm Restoration Project In response to the hot spot erosion at two locations within the Collier County Beach Nourishment Project area, engineering of a small berm restoration project is proposed. The project would extend along approximately 1000 feet of the Park Shore shoreline near Seagate Drive (vicinity of R46) and 1200 feet south of the Doctors Pass groins (R58A- R58). Construction plans and technical specifications will be prepared for the project based on the conditions in the permits and the approved permit sketches. The construction plans will include plan and representative cross-sections views sufficient for the construction of the project. The plans will provide survey monumentation information which will allow the contractor to control and construct the berm project. Cross-sections will be identified on the plans, along with a baseline for the profiles. The plans will delineate construction staging areas and access points, and will be based on previous plans for the area. The permit volume minus the volume placed with the recent emergency project will be the design goal. Technical Provisions will describe the berm fill layout, mobilization and demobilization from the project area, clean-up requirements and other issues related to construction of a truck haul project. It will identify the method of payment to the contractor and the clauses for liquidated damages, if necessary. The bid form will be developed with this section. The sand quality standard approved by the County and the permit agencies will be included in the specification, along with the approved sand source. The design and pay qualities will be based on tonnage, the unit of measurement used for upland sand sources. The specifications will identify the equivalent approximate yardage. Common Task The specifications will require the contractor to take pre- and post-construction surveys of the fill and dredge area at specified spacing. The post-construction survey will be an as-built survey. These surveys will be used to update the plans, verify placed volumes and prepare an as-built report. The survey will extend seaward to just beyond the toe of fill. The contract documents will be prepared to support joint bidding of the two projects. A suggested bid form and instruction will be prepared to award the project to the lowest combined joint bidder or individual bidders with a combined lowest price. The Engineer will provide a set of plans and technical specifications along with ARCROBA T files suitable for distribution to bidders. CPE will be prepared to submit two copies of the plans and specifications to FDEP and request the Notice to Proceed. CAC October 14, 2010 VIII-5 New Business 40f6 The specifications will address updating the cross-sections for construction using the pre- construction surveys. B. Final Permittinl! Approval CPE will aid the County with final permitting assistance for the two segments to the extent funding is available in the contract. Work may include responding to final Request for Additional Information as part of the permitting or NTP phase. C. Biddinl! and Pre-Construction Task Bidding The Engineer will assist the County in bidding for the two projects. The County's purchasing department will manage the bidding process with assistance from the Engineer and Coastal Zone Management Department. In conjunction with the County, the Engineer will attend a pre-bid conference (by telephone if required). The pre-bid conference will provide an opportunity to describe the project and to solicit questions from potential contractors. The conference will be conducted at the location determined by the County and a tour of the project area should be conducted with the potential contractors to address any additional questions. County representatives may be present to address issues related to infrastructure, County requirements and any other issues affecting the local government. The potential contractors will be provided sufficient time to submit a bid for the project. The Engineer will answer questions during bidding from the purchasing department and Coastal Zone Management. D. To Be Determined Based on the bidding document, permits and construction schedule of the two segments, a construction services proposal will be prepared covering: Phase II - Bid recommendation and Pre-Construction Services Phase III - During Construction Services Phase IV - Post-Construction Services o ... 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OUz lDWI- ool:!!:Vl ..100 U .J i5 ~ CAC October 14, 2010 VIII-5 New Business 60f6 Schedule B Contract No: 09~5262 "County Wide Engineering Services" Standard Hourly Rate Schedule for all disciplines Personnel CateQorv Standard Hourlv Rate Principal $195 Senior Project Manager $165 Project Manager $148 Senior Engineer $155 Engineer $119 Senior Inspector $85 Inspector $65 Senior Planner $140 Planner $110 Senior Designer $115 Designer $100 Environmental Specialist $115 Senior GIS Specialist $145 GIS Specialist $100 Clerical $60 Surveyor and Mapper $130 CADD Technician $85 Survey Crew - 2 man $130 Survey Crew - 3 man $160 Survey Crew - 4 man $180 This list is not intended to be all-inclusive. Hourly rate fees for other categories of professional, support and other services shall be mutually negotiated by the County and firm on a project by project basis as needed. CAC October 14,2010 VIII-6 New Business 10f6 COASTAL PLANNING & ENGINEERING, INC. . 2481 NW BOCA RATON BOULEVARD, BOCA RATON, FL 33431 561-391-8102 PHONE 561-391-9116 FACSIMILE Website: www.coastaIDlannina.net E-mail: mail<1llcoastaIDlannina.net September 30, 2010 Gary McAlpin Collier County Government W. Harmon Turner Bldg., Suite 103 3301 E. Tamiami Trail Naples, FL 34112 Subject: Doctors Pass North Jetty Repairs, Coastal Design Services, Collier County, Florida, Scope of Work under Contract No. 09-5262 Dear Gary: Enclosed is a scope of work, fee proposal and rate sheet for the Doctors Pass North Jetty Repairs for Collier County, Florida. The hourly not to exceed cost for these services is $24,794. The services include, design, preparation of plans and specifications, permitting, bidding and pre- construction assistance supporting the Coastal Zone Management and Purchasing Departments. During and post-construction service are not included, pending a better understanding of these phases. All surveys have previously been conducted or will be assigned to the contractor during construction. If you have any questions regarding this scope of work, please call me. Sincerely, Ste en eehn, P .E. Senior Coastal Engineer cc: Sheri Dindial, CPE CAe October 14, 2010 VIII-6 New Business 20f6 Doctors Pass North Jetty Repairs Coastal Design Services Collier County, Florida Scope of Work under Contract No. 09-5262 September 30, 2010 Introduction: This scope of work describes the preparation of contract documents for a Doctors Pass North Jetty Repair. The scope covers preparation of plans, specifications and a bidding form based on previous plans, surveys, permit sketches or technical specifications. CPE will assist the County with bidding and pre-construction services of the project. Permitting assistance will be provided to prepare this and related work for construction, including submitting final plans and specification to FDEP for the NTP. The goal will be a new design that is simpler for the contractor to build and easier for the County inspector to manage, while still providing an extended life. During and post- construction services are not included in this SOW and will be proposed when the scope is better understood. The plans will be based on the existing surveys and permit sketches. Surveys will be taken by the contractor as a basis for updating the construction cross-section, verifying pay quantities and for use in a post-construction report. B. Desien. Plans and Specification: CPE has previously designed and permitted a rehabilitation of the North Jetty at Doctors Pass for the City of Naples. The design included complete reconstruction of the majority of the jetty to an industry standard cross section. The bids received during the bidding of Phase 1 indicated that the project costs exceeded the budget provided by the Collier County TDC to the City of Naples. As a result, the project was postponed. The County desires an economical repair of the existing jetty rather than a comprehensive rehabilitation of the structure. Thus, modifications will be concentrated in the top groin layer without major changes to the underlying layers in order to extend the life of the existing structure economically. A site visit will be made to assess current conditions. CPE will value engineer the existing design with the goal of minimizing project costs and complexity while extending the life of the existing structure. The following preliminary concepts will be evaluated: 1. Reconstruct the head of the structure, the most vulnerable segment. 2. Construct a one stone overlay to the trunk section ofthe jetty with minimal adjustment ofthe existing rock layers. 3. Place toe stones as needed to increase stability of the structure slopes on the inlet side of the structure. 4. Other concepts may be evaluated and incorporated into the final design. 5 . Avoid the need for a permit modification. CAC October 14, 2010 VIII-6 New Business 30f6 The scope will be: 1. CPE engineers will review existing construction plans and permits obtained for the City of Naples to determine an economical means of repairing the existing structure. 2. CPE will design repairs to extend the life ofthe structure. Construction plans and technical specifications will be modified, along with a probable estimate of construction cost for the repairs. The specifications will require the contractor to take pre- and post-construction surveys of the groin area at specified spacing. The post-construction survey will be an as-built survey. These surveys will be used to update the plans, verify placed volumes and prepare an as-built report. The survey will extend seaward to just beyond the toe of fill. The Engineer will provide a set of plans and technical specifications for use by the County, along with copies in Acrobat and word formats, to support bidding. CPE will submit two copies of the plans and specifications to FDEP and request the Notice to Proceed. The project will be considered for joint bidding with the berm restoration and Wiggins Pass Dredging projects. B. Final Permittine Approval CPE will aid the County with final permitting assistance for the three projects. Work will include responding to final Request for Additional Information as part of the permitting or NTP phase, assembling plans for submittal for a notice to proceed required by the Florida Department of Environmental Protection (FDEP), and coordination between County and FDEP and other agencies. The permitting effort will be based on the agency demands, and cannot be predicted. C. Biddine and Pre-Construction Task Bidding The Engineer will assist the County in the selection of a contractor for the project. The County's purchasing department will manage the bidding process with assistance from the Engineer and Coastal Zone Management Department. The Engineer will provide a list of eligible contractors to the County for bidding purposes. In conjunction with the County, the Engineer will attend a pre-bid conference (by telephone if required). The pre-bid conference will provide an opportunity to describe the project and to solicit questions from potential contractors. The conference will be conducted at the location determined by the County and a tour of the project area should be conducted with the potential contractors to address any additional questions. County representatives may be present to address issues related to infrastructure, County requirements and any other issues affecting the local government. The potential contractors will be provided sufficient time to submit a bid for the project. The Engineer will answer questions during CAC October 14, 2010 VIII-6 New Business 40f6 bidding from the purchasing department and Coastal Zone Management. The Engineer will assist the County in reviewing the bids and evaluation of the low bidder, taking into consideration the capability of the contractor (low bidder) in constructing the project. Materials proposed for the project will be evaluated. The Engineer will provide the County a recommendation concerning the selection of the contractor or contractors. Pre-Construction Services The pre-construction services will consist of a pre-construction meeting in Naples with all the interested parties. The meeting will include the contractor, the County, CPE, permit agency representatives and the County observer. The meeting will review the construction methods and constraints and be an opportunity to train the inspector on his duties for the County. In support of the construction plan, CPE will prepare a QA/QC check list for the project along with a daily observation checklist for use by the inspector for each segment. Contractor surveys will be taken prior to the beginning of the project which will be observed by the County observer. Based upon these surveys, the plans will reviewed to see if an update is needed. D. To Be Determined Based on the bidding results and construction schedule of the groin, a construction services proposal may be prepared for: - During Construction Services. - Post-Construction Services. a .- a VI NVI - QI v.5 .- VI '- ::1 QlID -g~ 8~ u<D<D <t~o U>IO ..J <( en o 0: a. _0 <(0: a. a. 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II II II 1-1-::1; Ultlloll 001- ~~I!! ooz mWI- 5e:~ 00 ..J i3 ~ CAC October 14, 2010 VIII-6 New Business 60f6 Schedule 8 Contract No: 09~5262 "County Wide Engineering Services" Standard Hourly Rate Schedule for all disciplines Personnel CateQorv Standard Hourly Rate Principal $195 Senior Project Manager $165 Project Manager $148 Senior Engineer $155 Engineer $119 Senior Inspector $85 Inspector $65 Senior Planner $140 Planner $110 Senior Designer $115 Designer $100 Environmental Specialist $115 Senior GIS Specialist $145 GIS Specialist $100 Clerical $60 Surveyor and Mapper $130 CADD Technician $85 Survey Crew - 2 man $130 Survey Crew ~ 3 man $160 Survey Crew - 4 man $180 This list is not intended to be alf-inclusive. Hourly rate fees for other categories of professional, support and other services shall be mutually negotiated by the County and firm on a project by project basis as needed. CAC October 14, 2010 VIII-7 New Business 10f6 COASTAL PLANNING & ENGINEERING, INC. . 2481 NW BOCA RATON BOULEVARD, BOCA RATON, FL 33431 561-391-8102 PHONE 561-391-9116 FACSIMILE Website: www.coastalolanninO.net E-mail: mailallcoastalolannlno.net October 8, 2010 Gary McAlpin Collier County Government W. Harmon Turner Bldg., Suite 103 3301 E. Tamiami Trail Naples, FL 34112 Subject: Evaluate Conceptual Design and Modeling of Alternatives Collier County Beach Nourishment Project Scope of Work under Contract No. 09-5262 Dear Gary: The attached scope of work describes the evaluation of conceptual structures and beach fill design modifications on three coastal segments along the Collier County coast using models. The purpose of this study is to evaluate the effectiveness of existing structures and beach fill design templates, and changes needed to solve hot spots and improve project performance and durability. With the existing nourishment plan, some structures may no longer be needed. The hourly not to exceed cost for these services is $147,602 in three segments. The services include a sediment budget, conceptual design, cost estimate and modeling of coastal structure modifications. . If you have any questions regarding this scope of work, please call me. Sincerely, Ste en eehn, P .E. Senior Coastal Engineer cc: Sheri Dindial, CPE CAe October 14, 2010 VIII-7 New Business 20f6 Evaluate Conceptual Design and Modeling of Alternatives Collier County Beach Nourishment Project Scope of Work under Contract No. 09-5262 October 8, 2010 Introduction: This scope of work describes the evaluation of conceptual structure and beach fill design modifications on three coastal segments along the Collier County Coast. The purpose of this study is to evaluate the effectiveness of existing structures and beach fill design templates, and changes needed to solve hot spots and improve project performance and durability. Beach fill alternates with a higher and wider beach berm will be evaluated with structural modification to achieve these goals. The segments are located at Vanderbilt Beach, Park Shore and Naples. The work will be completed in three phases consisting of 1) the development of a sediment budget, conceptual fill designs and cost estimate, 2) a numerical modeling study of coastal processes and shoreline change and 3) interrogation of the numerical model to evaluate structural and non-structural alternatives. Permitting complexities will be addressed for each alternative. Phase I. Coastal Processes Analvsis The initial phase of work consists of developing a long term (starting prior to 2005) and post construction (since 2006) sediment budget for the region extending from Wiggins Pass to Gordon's Pass including the interior passes. Based on the sediment budget, a conceptual beach nourishment plan will. be developed. Two fill alternatives will be designed including one that replicates the existing permit design and one that is a larger beach nourishment project than currently in use. The design objective for the larger project is to place a volume offill that results in no hardbottom impacts but has an equilibrium toe of fill closer to the hardbottom where necessary to achieve a longer project life. The larger fill will also include an increase in equilibrium berm height and alongshore length of the project. The feasibility of nourishment using fill from an alternative sand source at Cape Romano will be evaluated. A cost estimate for a project constructed in 2013-14 will be developed for both beach alternates. Phase ll. Model Setup and Initial Runs This phase will set up and calibrate the model based on existing conditions with structures, and also run it with no shoreline structures except at inlets. The sediment budget of Phase I, shoreline changes from monitoring reports and aerial photographs, and ADCP (wave and current) measurements from Wiggins (CPE 2008), Clam and Doctors (PBSJ 2009) Passes will be used to calibrate the numerical model set up during Phase II, along with pertinent bathymetries. The modeling will be conducted utilizing the wave model SWAN, the flow and sediment transport model Delft3D and the shoreline change model Unibest. These modeling packages were developed by Deltares (Delft, Netherlands), are supported by a large team of developers and CAC October 14, 2010 VIII-7 New Business 30f6 researchers and are widely applied around the world to evaluate coastal engineering projects. Unibest is a shoreline change model that is driven by the same wave model as Delft3D (SWAN) and utilizes a process-based sediment transport formulation (Transport2004) similar to the one utilized in Delft3D, which most closely mimics coastal processes. It represents an improvement over previous shoreline change models, like Genesis, that utilized empirical sediment transport formulations. It is essential to use a combination of a 3D model and a shoreline change model to get the resolution required for the evaluation of coastal structures along the project reaches with nearshore hardbottom. Spatial harbottom maps and Lidar surveys will be used as model input in attempt to incorporate hard bottom effects on wave transformation and consequently on coastal dynamics. The model domain will be large enough to include the effects of all the morphological features on nearshore waves. The Delft3D wave, flow and morphological modeling setup calibrated for Wiggins Pass will be used for the coastal processes analysis. The Unibest Shoreline Model will be calibrated to measured shoreline changes and sediment budget results in the project reaches. The model runs will be done by reach. The modeling work proposed in Phase II will include the following tasks: 1. Analysis of existing information 2. Development of numerical modeling grids and boundary conditions 3. Simulation of waves, flows and potential sediment transport with Delft3D for scenarios with/without structures (except at inlets) to evaluate modifications introduced by the existing structures in the coastal processes and to evaluate the spatial variation in wave energy, flows and sediment transport 4. Setup and calibration of the Unibest shoreline change model 5. Simulation of existing conditions showing seasonal variations and reversals 6. Simulation of the no shoreline structure condition (groins removed) 7. Analysis of shoreline or sediment transport change results leading to development of pertinent alternatives for Phase III, including identification of areas where structural removable may be feasible. 8. Reporting and presentation of results and alternatives Simulations will be conducted for timeframes of I year and 5 years, and seasonal variations in waves and winds will be included in the simulations. Engineering and modeling QA of the results is part of this plan. Results will be described in a draft report of activities and presented in a meeting in Collier County to be scheduled by the client. Phase m. Run Alternatives In Phase III, the model will be used to simulate shoreline and/or sediment transport changes associated with structural modifications. The results from Phase II will determine what groin CAe October 14,2010 VIII-7 New Business 40f6 modification scenarios are simulated which may include shortening of the groins, lowering the profiles of the groins, making the groins permeable, converting the groins to a pile and panel design, or removing some or all of groins. It is assumed that removal of groins will be feasible in many cases, with a corresponding modification to beach fill placement. Up to 10 hot spots will be evaluated with a modified structural alternative. Additionally, modeling alternative solutions for the Doctors Pass hot spot will include a breakwater or spur off of the existing terminal groin. Based on these results, a solution will be recommended for each reach and at each structure location. The complexity of permitting will be discussed for each selected alternate. The results of the simulations and the recommended solutions will be presented to Collier County and incorporated onto a final report. o ...- OUl N Ul - al V.!: "'-Ul ... ::> al[Il -g;= 1:)al OZ Ul'-CO <(~O U>IO ~ .5 <l "CI QOj :t ;g "CICo a ~ ",Cl.o 0;;; ~ br>:. ~'t <.~ ~Q .5 ~ ~= Q .. :: E! r>:.~ '5 'C ~ g CQZ "CI.c [:; ~ CCQ ~b <'l c ~ g "g~ :t .S! 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OJ a: o .-< o ogal m <Il- .-<- <Il- o "'Ltl::J: :;;~~ <Il- o .-< o N~~ "<Il-..o <Il- o ~~~ '<t<ll-;ri <Il- o m LtlO N.-1~ "'.-< - <Il-t;. o '<tLtl'-< ".-<0 M~~" <Il- '<t o \OLIl~ Ltl co . .-fiJ\.~ <Il- '<t N o NLtl'-< oLtlCO M~~ <Il- .-< co '<t m;:!;::J: <Il-<Il- co '<t " m '<t <Il- 11 11 11 ~ ~ ~ {!.~u -arc .....<:l '" '" a:-' 5 .<:l '" -' c o 'n; ... l:: OJ VI OJ ... c- "C l:: '" C ~ ~ '" a. ~ c- ~ o Co OJ a: ::;gg Cll...... ~..o ~~ II II 1--1-- OIl OIl 00 UU 0::1-- ~lrl S5 1'01 Cl II) ,..: '<t ... ill- ~ o I-- CAC October 14, 2010 VIlI-7 New Business 60f6 Schedule 8 Contract No: 09-5262 IlCounty Wide Engineering Services" Standard Hourly Rate Schedule for all disciplines Personnel Cateaorv Standard Hourly Rate Principal $195 Senior Project Manager $165 Project Manager $148 Senior Engineer $155 Engineer $119 Senior Inspector $85 Inspector $65 Senior Planner $140 Planner $110 Senior Designer $115 Designer $100 Environmental Specialist $115 Senior GIS Specialist $145 GIS Specialist $100 Clerical $60 Surveyor and Mapper $130 CADD Technician $85 Survey Crew - 2 man $130 Survey Crew - 3 man $160 Survey Crew - 4 man $180 This list is not intended to be all-inclusive. Hourly rate fees for other categories of professional, support and other services shall be mutually negotiated by the County and firm on a project by project basis as needed. CAC October 14, 2010 IX-1 Old Business 10f3 COLLIER COUNTY GOVERNMENT Pelican Bay Services Division 80 I Laurel Oak Drive · Suite 605 . Naples, Florida 34108. (239) 597-1749 . Fax (239) 597-4502 September 9,2010 Mr. Leo Ochs, County Manager Office of the County Manager Collier County Government Center 3301 S. Tamiami Trail Naples, Florida 34104 RE: Peer Review of Clam Bay System Data Collection Analysis Report by PBS&J Dear Mr. Ochs, Last December the Pelican Bay Services Division voiced our concern that the above referenced Clam Bay water quality analysis may have inaccurate conclusions that would cast the system or historical data in a negative manner and therefore could form an unsuitable basis for future work on this critical environmental resource. At that time we proposed and the County agreed to cosponsor a peer review of the report, using a jointly selected independent recognized expert in the field. Since that time we have attempted to work with Coastal Zone Management, the Coastal Advisory Committee and it's Clam Bay Subcommittee to develop a Scope of Work document defining the Peer Review process. During the last 6 months the Services Division has met monthly to try to develop language that reflects the intent of our initial discussions. To date we have worked enumerable hours through nine revisions of the language with CZM, but seem to be no nearer acceptable language than we were several versions ago. CZM started by substantially expanding the scope of work to be reviewed, then revised the "independent recognized expert" criteria thus materially changing the focus of the peer review, and has continually reinserted language we preferred removed. At this point in time, we have reluctantly concluded we are at an impasse, and cannot realistically go forward to jointly develop a timely peer review of the 2009 PBS&J Report. To go forward would only continue everyone's frustrations and does not seem to be leading to a process that would ~eflect our initial intent. The Service Division does support the peer reviews of the PBS&J Report that have been prepared to date, especially those of Kathy B. Worley, Environmental Science Co-Director of the Conservancy of South West Florida, and Dr Harold R Wanless, Professor and Chair, Department of Geological Sciences University of Miami. c o ;-o!.~ .~,~,~' ( Ii C . i e c o -----....---- .. n t. .V "'1=:r,. _ CAC October 14,2010 IX-1 Old Business 20f3 Page 2 We would like to thank you for your leadership in bringing this issue to the BCC's attention last winter and regret that it could not be completed on a timely basis. s~ . f)~ Keith J. Dallas.~airma:n Pelican Bay Services Division Cc: Pelican Bay Services Division Board Ms. Marla Ramsey Mr. Neil DorriIl CAC October 14,2010 IX-1 Old Business 30f3 From: ochsJ Sent: Friday, September 10, 2010 4:23 PM To: ramsey-m; McAlpinGary Subject: FW: PEER REVIEW CLAM BAY For your review & comment. September 9,2010 Keith J. Dallas, Chairman Pelican Bay Services Division 801 laurel Oak Drive - Suite 605 Naples, FI 34108 Re: September 9,2010 letter referencing Peer Review of the Clam Bay System Data Collection Analysis Report by PBS&J Dear Mr. Dallas: The Pelican Bay Services Division's decision to forego a joint Peer Review of the October 2009 PBS&J Data Collection and Analysis Report of the Clam Bay estuary is unfortunate. We understand and accept your decision and also appreciate your effort, the efforts of the Pelican Bay Services Division Board and the efforts of your staff on this issue. I believe there is still time to get this done in a way that meets our mutual objectives and I extend an open invitation to do so before the end of the calendar year. That offer notwithstanding, I know you are aware of the County's recent efforts to joint venture with the Pelican Bay Foundation, their consultants and possibly other state regulatory agencies to obtain technically competent evaluations regarding our efforts to date within Clam Bay. We certainly plan to keep the Services Division informed of progress and results in this initiative and welcome your continued input on this issue. It is our hope that this collaborative effort will provide a definitive, objective, technically sufficient and generally accepted report, which overcomes the limitations of the reviews referenced in your correspondence. Thank you for your continued leadership and stewardship on behalf of the PBSD. I look forward to working with you. Sincerely, LEO