PBSD Water Management Committee Minutes 08/08/2019 PELICAN BAY SERVICES DIVISION
WATER MANAGEMENT COMMITTEE MEETING
AUGUST 8, 2019
The Water Management Committee of the Pelican Bay Services Division met on Thursday,
August 8 at 2:30 p.m. at the Pelican Bay Services Division, 3rd floor of the SunTrust Bldg.,
Suite 302, located at 801 Laurel Oak Dr., Naples, Florida 34108. The following members
attended.
Water Management Committee Jacob Damouni (absent)
Denise McLaughlin, Chair Michael Weir
Tom Cravens
Pelican Bay Services Division Staff Mary McCaughtry, Operations Analyst
Neil Dorrill, Administrator Alex Mumm, Interim Sr. Field Supervisor
Lisa Jacob, Interim Operations Manager Barbara Shea, Recording Secretary
Also Present
Tom Barber, Agnoli, Barber& Brundage
Jim Can, Agnoli Barber&Brundage
APPROVED AGENDA (AS AMENDED)
1. Pledge of Allegiance
2. Roll call
3. Agenda approval
4. Approval of 5/13/19 meeting minutes
5. Audience comments
6. Proposed mission statement: manage and protect Pelican Bay resources and
ecosystems by identifying and prioritizing issues and projects
7. Review of current projects
a. St. Maarten/St. Thomas Lake 2-9
b. Bay Colony Beach Dune Swale
c. Grosvenor/Dorchester drainage basin
d. County process change: engineering contracts (add-on)
8. Algae
9. Pipe evaluation process and status
10. Other committee member comments
11. Adjournment
ROLL CALL
Mr. Damouni was absent and a quorum was established
1
Pelican Bay Services Division Water Management Committee Meeting
August 8, 2019
AGENDA APPROVAL
FMr. Cravens motioned, Mr. Weir seconded to approve the agenda as
amended with the addition of item #7d. The motion carried unanimously.
APPROVAL OF 05/13/19 MEETING MINUTES
Mr.Cravens motioned,Mr.Weir seconded to approve the 05/13/19 meeting
minutes as presented. The motion carried unanimously.
AUDIENCE COMMENTS
None
PROPOSED MISSION STATEMENT
Ms. McLaughlin proposed the Water Management Committee's mission statement
as "manage and protect Pelican Bay resources and ecosystems by identifying and
prioritizing issues and projects." Mr. Cravens proposed and the committee agreed to add
the word"water"resulting in the modified phrase "Pelican Bay water resources."
REVIEW OF CURRENT PROJECTS
ST. MAARTEN/ST. THOMAS LAKE 2-9
Mr. Tom Barber, civil engineer with Agnoli, Barber & Brundage, provided a
presentation on lake 2-9, including a discussion on the original lake bank remediation
design plans consisting of a combination of seawall,geoweb,and rip rap. The bids received
for this project (in early July) were much higher than expected; specifically, the bids
included a cost for the proposed seawall coming in three times higher than what was
anticipated. Mr. Barber suggested that "access" may have contributed to this unexpected
high cost. Mr. Dorrill suggested that "after effects" from Hurricane Irma may be a
contributing factor, as there continues to be high demand for seawall repairs/replacement
in SW Florida. Mr.Weir suggested that we contact the St.Maarten/St.Thomas Association
to determine whether they are interested in cost sharing in this project. Ms. Jacob will
contact Mr. Gentry Thatcher, President of the St. Maarten/St. Thomas Assoc. to explore
the possibility of cost sharing this project, using the specifications/design plans as was
recently bid out in June.
All of the committee members agreed that a more cost-effective plan is needed.
Mr. Barber discussed cost reducing alternatives including (1) reduce the length of the
concrete seawall, (2) use an alternate construction material such as vinyl sheet pile to
construct the seawall, and (3) eliminate the seawall and excavate the peninsula preserve
area to maintain the width of the"pinch-point"of the lake to ensure the water flow through
this area.
Mr. Dorrill summarized our options as (1) proceed with the proposed plan as
originally designed, and seek an additional $250,000 from reserves or the anticipated FY
2020 line of credit, (2) redesign the seawall, reducing the length to the maximum extent
possible,or(3)eliminate the seawall; go to fill and a 4:1 slope and explore the cost to clear
and reconstruct the north side of the peninsula at the pinch point. Mr. Cravens suggested
that any alternate proposals should include not only an expected cost estimate,but also the
change in life expectancy of the remediation.
2
Pelican Bay Services Division Water Management Committee Meeting
August 8, 2019
After discussion,the committee and staff requested that our ABB engineers prepare
new cost proposals using the more cost-effective options discussed. They will also provide
a cost estimate using "rip rap only."
Mr. Dorrill suggested that the PBSD should set up parameters on the appropriate
remediation methods for our future lake bank remediation projects.
BAY COLONY BEACH DUNE SWALE
Mr. Jim Carr, civil engineer with Agnoli, Barber & Brundage, summarized the
progress that has been made in obtaining a permit exemption from the SFWMD (South
Florida Water Management District) for our proposed beach dune swale maintenance
project for"re-establishing conveyance." He reported that he expects the SFWMD to issue
a permit exemption within 2-3 weeks. Ms. Jacob commented that the cost estimate of the
project is $1.5 million, and the project will go through the solicitation process by the
County Procurement Dept. In general, the solicitation process takes six months. Mr.
Dorrill expects work to begin on this project in the spring of 2020 (post snowbird season).
GROSVENOR/DORCHESTER DRAINAGE BASIN
Mr. Can summarized and provided photos of the recent maintenance work
completed in the Grosvenor drainage basin including drainage pipe cleaning and rip rap
replacement. Additional work is needed, including invasive removal, to improve water
flow in the drainage channels. Ms. Jacob and Ms. McCaughtry confirmed that funds have
been included in the FY2020 budget for this project. Work is expected to be completed
before Christmas.
COUNTY PROCESS CHANGE: ENGINEERING CONTRACTS (ADD-ON)
Mr. Carr commented on the restructuring of the County's Purchasing Dept. and the
changes in the methods of preparing annual contracts. He suggested that national
engineering firms may be awarded County engineering contracts and become the"engineer
of record" on County projects.
ALGAE
Mr. Dorrill commented on a recent staff meeting with Ms. McLaughlin where our
chronic algae problem was discussed. Over the last six years, staff has tried different
methods to combat algae including bacteria, enzymes, hydrogen peroxide, enhanced
aeration and blue tilapia. He noted that in late spring and early fall, we have observed
excessive algae in eight lakes, which coincides with scheduled turf fertilization programs.
Mr.Dorrill suggested that the committee consider the limited re-use of copper sulfate under
certain circumstances in targeted areas.
Mr. Mumm provided a list of the eight lakes with chronic algae problems.
Beginning on Monday Aug. 12, and going forward,Mr. Mumm intends to treat these lakes
with Hydrothol (hydrogen peroxide) and Green Clean, and record the condition of each
lake at the time of treatment and 48 hours later. He will closely monitor these lakes on a
weekly basis. Mr. Cravens commented that we need more information on the ingredients
in these products. He also reminded the committee that Clam Bay was declared impaired
for copper and given five years to come up with a plan for improvement. The PBSD did
come up with a plan,and Clam Bay is no longer impaired. However,all of our lake bottoms
3
Pelican Bay Services Division Water Management Committee Meeting
August 8, 2019
contain copper residue from treating our lakes with copper sulfate in the past. Mr. Cravens
commented that killing algae has ramifications to the entire ecological system.
Mr. Mumm commented that he will be scheduling a meeting with Ms. Kamila
Perez, Environmental Specialist with Collier County, who has expertise in lake
management. He will report any pertinent information learned from Ms. Perez to the
committee. Mr. Mumm also commented that he has learned of new products designed for
algae control,which should be coming onto the market within the next few months and are
expected to be less harmful to the environment than Hydrothol or copper.
Mr. Dorrill summarized that staff is now gathering data on chronic algae, and will
continue to keep the committee informed on the data collection.
Ms. McLaughlin commented on her recent"lake and algae tour"with Mr. Mumm,
which she found to be very educational. She suggested that the other committee members
take a similar tour. To avoid Sunshine Law issues, the other committee members are
invited to contact Mr. Mumm for similar individual lake and algae tours.
PIPE EVALUATION PROCESS AND STATUS
Ms. Jacob reported that she is still waiting for work to be completed by our
contractor Envirowaste, who was contracted to video pipe on Watergate Way and make
repairs to pipes connecting two lakes in Georgetown. Mr. Dorrill commented that we are
eligible to do our own solicitation for pipe evaluation and cleaning, and suggested that we
proceed in this manner.
ADJOURNMENT
The meeting was adjourned at 4:11 p.m.
Denise McLaughlin, Chair
Minutes approved [ V as presented OR F 1 as amended ON (//„2/h 7 ] date
4