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PBSD MSTBU Clam Bay Committee Minutes 09/10/2019 PELICAN BAY SERVICES DIVISION CLAM BAY COMMITTEE MEETING SEPTEMBER 10, 2019 The Clam Bay Committee of the Pelican Bay Services Division met on Tuesday, September 10 at 1:30 p.m. at the SunTrust Bank Building, 801 Laurel Oak Drive, Suite 302,Naples,Florida 34108. In attendance were: Clam Bay Committee Denise McLaughlin Susan O'Brien, Chairman Rick Swider Pelican Bay Services Division Staff Mary McCaughtry, Ops. Analyst Neil Dorrill, Administrator Alex Mumm, Interim Sr. Field Supr.(absent) Lisa Jacob, Interim Operations Manager Barbara Shea, Recording Secretary Also Present Jeremy Sterk, Earth Tech Jennifer Bobka, Earth Tech Scott Streckenbein, PBSD Board Mohamed Dabees, Humiston& Moore APPROVED AGENDA (AS PRESENTED) 1. Roll call 2. Agenda approval 3. Approval of 07/11/19 meeting minutes 4. Audience comments 5. Clam Pass a. August tidal ratio report b. August aerial photos c. Background on County's request and response d. Possible talking points e. Timeline for dredging-related activities f. Advanced beach renourishment 6. Water Quality a. Copper results b. Phosphorus levels in Clam Bay c. County lab reports d. PO for water quality reports 7. Clam Bay a. Hand-dug channel maintenance b. Canoe trail markers 10 and 12 c. Scaevola treatment d. Canoe Trail guide e. Pelican Bay Post articles f. Update on Manatee Protection Zone 8. Next meeting: October 4 or 7, 2019 9. Adjournment 1 Pelican Bay Services Division Clam Bay Committee Meeting September 10,2019 ROLL CALL All members were present and a quorum was established AGENDA APPROVAL Ms. McLaughlin motioned, Ms. O'Brien seconded to approve the agenda as presented. The motion carried unanimously. APPROVAL OF 07/11/19 MEETING MINUTES Ms.McLaughlin motioned,Ms.O'Brien seconded to approve the 07/11/19 meeting minutes as presented. The motion carried unanimously. AUDIENCE COMMENTS None CLAM PASS AUGUST TIDAL RATIO REPORT Dr. Dabees, Environmental Consultant with Humiston & Moore, reported that tidal ratios remain consistently above the critical threshold; the numbers look good. AUGUST AERIAL PHOTOS Dr. Dabees reported that August Clam Pass aerial photos look good. Ms. O'Brien commented that these photos were provided to the PBSD Board last week. BACKGROUND ON COUNTY'S REQUEST AND RESPONSE Mr. Dorrill commented on his recent meeting with Deputy County Manager Nick Casalanguida, Mr. Callahan, Dr. Dabees and Ms. Jacob, whereby Dr. Dabees provided a presentation on the Clam Pass dredging timeline over the last ten years and the related explanations for our emergency dredging events. Mr. Dorrill reported that Mr. Casalanguida stated that the presentation exceeded his expectations, and suggested that a video of Dr. Dabees presentation be made in order for it to be readily available when needed. The committee and Mr. Dorrill agreed to go ahead and create a video of Dr. Dabees' presentation. Mr. Dorrill also has learned that Mr. McAlpin, Manager of the County Coastal Management Program, will be retiring this year. Ms. O'Brien suggested that the Clam Bay Committee "be on the same page" as staff and vice versa in regard to staff activities related to Clam Pass. Mr. Dorrill commented that Mr. Casalanguida had requested the meeting with Dr. Dabees and staff whereby Dr. Dabees provided his draft presentation. POSSIBLE TALKING POINTS Ms. O'Brien reviewed the possible talking points which were included in the agenda packet. Ms. McLaughlin commented on the value of this information for future reference. TIMELINE FOR DREDGING-RELATED ACTIVITIES Ms. O'Brien commented on her request to Mr. Dorrill and Ms. Jacob (included in the agenda packet) for a timeline of the dredging process, including recommended steps and 2 Pelican Bay Services Division Clam Bay Committee Meeting September 10,2019 approximate time required for each step. She suggested 13 steps and asked that Mr. Dorrill and Ms. Jacob provide comments/edits to these steps. Dr. Dabees commented that per the Clam Bay Management Plan, Clam Pass can only be dredged when conditions warrant it; dredging can never be a part of an automatic cycle. He noted that it is very difficult to estimate the completion of all the procurement steps, and these steps are the longest part of the pre-dredge process. Ms. McLaughlin commented that when conditions warrant a dredge event to prevent the closing of Clam Pass, this becomes an urgent emergency project,where"the usual"procurement process cannot be adhered to. Mr.Dorrill agreed and noted that it typically takes six months to put a project out to bid through the normal County Procurement Dept. process and that when dredging is urgently needed,we have no choice but to ask the County to waive the normal sealed bid process. ADVANCED BEACH RENOURISHMENT Ms. McLaughlin commented on a recent County informational meeting on a possible "super beach renourishment program." At the meeting it was stated that this issue is in the first year of a 3-year study. Ms. O'Brien commented on the "Scope of work — Park Shore beach renourishment" document which was added to the agenda packet. This document describes an imminent truck haul beach renourishment project for Clam Pass Park,North Park Shore, and Park Shore beaches. Dr. Dabees commented that Mr. McAlpin has provided him with all the data related to this proposed beach renourishment project. No sand will be placed on the north side of Clam Pass to ensure adequate space for sand disposal in case a Clam Pass dredging event suddenly becomes necessary (per FDEP). Mr. Dorrill commented that historically the County manages all of the beach renourishment programs, monitors all County beach widths, and always includes Pelican Bay in their projects when appropriate. Ms. O'Brien suggested we obtain a copy of the County's 2019 beach survey. Mr. Streckenbein commented that Dr. Dave Trecker,former PBSD Board member, is now a member of the County Coastal Advisory Committee. Mr. Streckenbein commented that he is in touch with Dr. Trecker on a regular basis; Dr. Trecker has suggested that a super beach renourishment program for Pelican Bay beaches would cost $2 — 2.5 million. Mr. Dorrill noted that in the past Dr. Trecker suggested that$1 million should be in PBSD reserves to cover a typical truck haul beach renourishment program. Mr. Dorrill suggested that we may want to update our assumptions on the appropriate amount of adequate PBSD reserves for beach renourishment purposes. WATER QUALITY COPPER RESULTS Ms. O'Brien commented that copper results continue to look great. PHOSPHORUS LEVELS IN CLAM BAY Ms. O'Brien commented that phosphorus levels in Clam Bay continue to be problematic. Ms. McLaughlin commented that a new County ordinance requires homeowners to perform nutrient tests on their soil prior to adding phosphorus to their fertilizer. COUNTY LAB REPORTS Ms. O'Brien commented that the County Lab has switched over from monthly reporting to quarterly reporting for our water quality testing results. She suggested that we ask Mr. Nosbel 3 Pelican Bay Services Division Clam Bay Committee Meeting September 10,2019 Perez, Supervisor of the County Lab, if it would be possible for us to receive monthly reports. Mr. Dorrill will follow up with Mr. Perez. Ms. O'Brien also suggested that the committee and staff have a conference call with Dr. Tomasko to discuss Clam Bay nutrient levels. PO FOR WATER QUALITY REPORTS Ms. O'Brien commented and staff confirmed that a request for quotes has been issued for our water quality reports. Quotes are due Sept. 18. CLAM BAY HAND-DUG CHANNEL MAINTENANCE Mr.Jeremy Sterk, Environmental Consultant with Earth Tech,provided a diagram of Clam Bay which identified the areas of this year's completed hand-dug channel maintenance. He reported that significant Hurricane Irma debris continues to be observed in the channels, and suggested that this debris may be causing the high phosphorus levels observed in Clam Bay. MANGROVES Mr. Sterk provided the new infrared Clam Bay aerial photo for review by the committee. He compared the observed mangroves from this photo to the 2017 photo, through the use of 38 grids. He noted general mangrove health improvement with minimal declines. However, "grid #19" shows a specific area of die-off This area will be closely monitored going forward. Mr. Sterk reported that he has identified repeatable exact locations from which to take periodic drone photos so that mangrove health comparisons can be made over time. SEAGRASS Mr. Sterk reported that seagrass (predominantly shoal grass) acreage has declined slightly to 3.53 acres. However, the seagrass is the healthiest he has ever observed. CANOE TRAIL MARKERS 10 AND 12 Mr. Sterk reported that the County has re-installed the poles for canoe trail markers 10 and 12 and will re-install the signs for these two markers in the very near future. SCAEVOLA TREATMENT Ms. O'Brien commented that Mr. Sterk will work on developing a proposal for a future scaevola removal project, to be included in a future PBSD budget. CANOE TRAIL GUIDE Ms. O'Brien commented that 25,000 new canoe trail guides have been printed and are available to the public. PELICAN BAY POST ARTICLES Ms. McLaughlin provided draft articles on (1) the new canoe trail guide, (2) Bay Colony beach dune swale, (3) mangrove channels, (4) the new County fertilizer & urban landscaping ordinance, and(5)duckweed algae for the committee's review. The committee suggested that Ms. McLaughlin include a discussion of the PBSD swale work completed in other communities, in addition to Bay Colony, in the beach dune swale article. Ms. McLaughlin questioned whether the fertilizer used by the PBSD contains phosphorus. Ms. Jacob will check into the level (if any) of 4 Pelican Bay Services Division Clam Bay Committee Meeting September 10,2019 phosphorus in the fertilizer used by the PBSD. Ms. O'Brien suggested that Mr. Tim Hall proofs these articles. UPDATE ON MANATEE PROTECTION ZONE Ms. O'Brien commented that the Pelican Bay Foundation was not successful in its appeal for a designation of a manatee protection zone in Clam Bay. NEXT MEETING: By consensus,the committee agreed that the next meeting of the committee would be held on Nov. 14, 2019 at 1:30 p.m. ADJOURNMENT meeting was adjourned at 3:07p.m.S1AO 0 1/4 0 1 3 4 Susan O'Brien, Chairman Minutes approved [ ] as presented OR [ j/] as amended ON I 11- �( ] date 5