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MSTBU WM Agenda 03/29/2021PELICAN BAY SERVICES DIVISION Municipal Services Taxing &Benefit Unit NOTICE OF PUBLIC MEETING MARCH 29, 2021 THE WATER MANAGEMENT COMMITTEE OF THE PELICAN BAY SERVICES DIVISION WILL MEET AT 1:00 PM ON MONDAY, MARCH 29 AT THE COMMUNITY CENTER AT PELICAN BAY, 8960 HAMMOCK OAK DR., NAPLES, FL 34108. AGENDA 1. Pledge of Allegiance 2. Roll call 3. Agenda approval 4. Approval of 02/01/21 meeting minutes 5. Audience comments 6. *Engineer's recommendation and cost estimates for Oakmont Lake 4-1 restoration 7. Lake bank restoration prioritization s. Maintenance of private lakes 9. Staff progress report 10. Adjournment *indicates possible action item ANY PERSON WISHING TO SPEAK ON AN AGENDA ITEM WILL RECEIVE UP TO THREE (3) MINUTES PER ITEM TO ADDRESS THE BOARD. THE BOARD WILL SOLICIT PUBLIC COMMENTS ON SUBJECTS NOT ON THIS AGENDA AND ANY PERSON WISHING TO SPEAK WILL RECEIVE UP TO THREE (3) MINUTES. THE BOARD ENCOURAGES YOU TO SUBMIT YOUR COMMENTS IN WRITING IN ADVANCE OF THE MEETING. ANY PERSON WHO DECIDES TO APPEAL A DECISION OF THIS BOARD WILL NEED A RECORD OF THE PROCEEDING PERTAINING THERETO, AND THEREFORE MAY NEED TO ENSURE THAT A VERBATIM RECORD IS MADE, WHICH INCLUDES THE TESTIMONYAND EVIDENCE UPON WHICH THE APPEAL IS TO BE BASED. IF YOU ARE A PERSON WITH A DISABILITY WHO NEEDS AN ACCOMMODATION IN ORDER TO PARTICIPATE IN THIS MEETING YOU ARE ENTITLED TO THE PROVISION OF CERTAIN ASSISTANCE. PLEASE CONTACT THE PELICAN BAY SERVICES DIVISION AT (239) 597-1749. 3/24/2021 11:16 AM PELICAN BAY SERVICES DIVISION WATER MANAGEMENT COMMITTEE MEETING FEBRUARY 1, 2021 The Water Management Committee of the Pelican Bay Services Division met on Monday, February 1 at 9:00 a.m. at the Community Center at Pelican Bay, 8960 Hammock Oak Drive, Naples, FL 34108. The following members attended. Water Management Committee Denise McLaughlin, Chair Tom Cravens (absent) Pelican Bay Services Division Staff Neil Dorrill, Administrator Chad Coleman, Operations Manager Darren Duprey, Associate Project Manager Also Present Tom Barber, Agnoli, Barber & Brundage Jim Carr, Agnoli, Barber & Brundage Susan O'Brien Scott Streckenbein Michael Weir Karin Hemnann, Operations Analyst Lisa Jacob, Project Manager Barbara Shea, Administrative Assistant Nicic Fabregas, PBSD Board Michael Fogg, PBSD Board APPROVED AGENDA (AS PRESENTED) 1. Pledge of Allegiance 2. Roll call 3. Agenda approval 4. Approval of 01/23/20 meeting minutes 5. Audience comments 6. Current state and expected timing for Oakmont Lake 4-1 remediation project a. Detailed plan able to be used for bidding b. PBSD Board decision to proceed with Lake 4-1 c. Expected procurement elapsed time d. Estimated timeline for construction e. Methods of remediation, including mixed use of Rip Rap and Geotube 7. Criteria used to prioritize lake bank restoration 8. Incremental criteria including visibility, current functional or aesthetic problems 9. Staff progress report 10. Adjournment ROLL CALL Mr. Cravens was absent and a quorum was established Pelican Bay Services Division Water Management Committee Meeting February 1, 2021 Mr. Streckenbein motioned, Mr. Weir seconded to approve the agenda as presented. The motion carried unanimously. Mr. Weir motioned, Mr. Streckenbein seconded to approve the 1/23/20 meetine minutes as presented. The motion carried unanimously. AUDIENCE COMMENTS Mr. Fabregas requested that PBSD staff research the possibility of obtaining easements for lakes 1 and 2 in Basin 1 (located within the Waterside Shops parcel), which would make the PBSD responsible for servicing these lakes, which are interconnected with the Pelican Bay master drainage system. He would like the PBSD to ultimately obtain BCC approval to add these easements to the list of PBSD responsibilities. Mr. Dorrill commented that historically the PBSD has had no easements for these two lakes. He noted that he has recently had a discussion with the Waterside Shops management on this subject. Ms. O'Brien commented that there are 13 additional private lakes, connected to the the PB master drainage system, for which the PBSD has no easements. She suggested that the full board should have a discussion on whether to explore this issue and determine how much staff time should be devoted to this. Mr. Streckenbein commented that this would be a precedent setting discussion, and that a lot more information would be needed to make any decisions. Mr. Dor ill commented that staff will review our SFWMD permit and determine how many of the private PB lakes are interconnected with the PB master drainage system. This information will be provided at the next committee meeting for discussion. STATUS OF OAKMONT LAKE 4-1 I2EMEDIATION PROJECT Our ABB engineer, Mr. Jim Cann, reported that the survey for Oakmont Lake 4-1 has been completed. He provided the committee with segments of the survey on the display screen for discussion. Ms. Melanie Miller, Vice President, Finance Admin. at the Pelican Bay Foundation, confirmed that the PBF is responsible for replacing the pathway along this lake as well as updating/replacing landscaping along the lake. This PBF work will be coordinated with PBSD staff, as part of the Lake 4-1 lake bank remediation project. Ms. O'Brien suggested that we discuss our lake bank remediation plans with the homeowners who live on the west side of Lake 4-1. Ms. McLaughlin suggested that we meet with these homeowners after we have a more detailed plan. Mr. Weir commented that the PBSD needs to make a decision on the appropriate remediation method based on cost and longevity; this is not the homeowners' decision. Ms. McLaughlin added that aesthetics should also be a consideration. Mr. Carr commented that rip rap is a good solution for the remediation of the west side of the lake, which would be 40% of the perimeter (the recommended maximum). He provided two cost estimates for two suggested remediation options (provided in the agenda packet) including: (1) Option 1: A combination of GeoWeb and rip rap estimated at $2.0 2 Pelican Bay Services Division Water Management Committee Meeting February 1, 2021 million, and (2) Option 2: A combination of rip rap and re -grading estimated at SIA million. Mr. Carr noted that he will be updating these estimates in the next few weeks, based on the completed survey. Mr. Carr commented that he will be testing the lake bottom material in the next few weeks to determine whether it can be used for fill. Ms. McLaughlin expressed concerns over whether copper would be stirred up and go into solution if the lake bottom material were to be used for fill. Mr. Carr commented that upon completion of the project, the 4 to I slope of the lake banks will be restored. Mr. Dorrill commented that the goal of the project is to restore the slope and holding capacity back to its original design. He also noted that the plan will provide for the connection of two drain features per household. Ms. O'Brien commented on the timeline, included in the agenda packet, which shows November 2021 as the start of the construction of the project. She suggested that this project start after the 2021/2022 winter season. Mr. Carr discouraged completing the project in the wet season. Mr. Dorrill commented that GeoWeb and rip rap projects require SFWMD permits, while re -grading projects do not. Ms. O'Brien suggested that we consider a re -grading project in order to save time and money. After committee discussion, it was agreed that ABB would bring back updated cost estimates of Options 1 and 2, as well as an Option 3, which would consist of re -grading the entire perimeter. Mr. Carr suggested that the committee consider the longevity of Option 3. Mr. Dorrill suggested that Option 3 may also result in maintenance issues. Mr. Dorrill commented that he would like to bring the planning phase of this project to a conclusion. He suggested that the committee schedules a March meeting to review the three cost options, and then bring a recommendation to the full board. Mr. Weir commented that the decision on a remediation method will set the standard for future lake bank projects. CRITERIA USED TO PRIORITIZE LAKE BANK RESTORATION Our ABB engineer, Mr. Tom Barber, provided an explanation and theory behind his revised prioritization formula to be used to compile a ranking list of PB lakes for lake bank restoration projects. He compared and contrasted this formula with his original formula. The revised formula includes escarpment consideration, not slope. It also gives more consideration to community exposure issues. Mr. Barber suggested that "risk of an accident" should also be a strong consideration when ranking the lakes. Ms. O'Brien commented that per our SFWMD permit, we are responsible for maintaining the slope of the lake banks; other factors included in the revised formula are not part of our responsibility. Mr. Fogg commented that lake visibility should be a consideration. Ms. Miller confirmed that the PBF recently had an engineer prepare a report on the condition of the Community Center lake bank; she will provide a copy of the report to the committee. The committee had a discussion on the pros and cons of each of the two formulas. Ms. O'Brien commented that the initial formula and ranking is more relatable to our permit (quantitative), while the revised formula and ranking is more qualitative. 3 Pelican Bay Services Division Water Management Committee Meeting February 1, 2021 Mr. Coleman commented that he would not be in favor of working off of both ranking lists, which would only lead to confusion. He noted that the formulas were developed to "take out opinions" when choosing the order of lake bank restoration projects. Mr. Dorrill preferred that we stay with the revised formula and ranking list. In conclusion, Mr. Fogg directed the committee to review the top five lakes on each of the ranking lists, plus any additional staff recommendations at their next committee meeting. Mr. Weir suggested that from this pool, the committee should select five or six lakes for the next lake bank restoration projects over the next five years. The meetine was adiourned at 10:47 a.m. Denise McLaughlin, Chair Minutes approved [_� as presented OR [_] as arnerrded ON 1 date 4 Agenda item #6 Page 1 of 3 PRELIMINARY ENGINEER'S OPINION OF PROBABLE COST Agnoli, Barber & Brundage, Inc. March 23, 2021 ABB Project No. 20"0139 LAKE REMEDIATION - PELICAN BAY LAKE 4A REGRADE BANKS AND INSTALL LITTORAL PLANTINGS Item No. Description Unit Quantity Unit Cost Pay Item Total I MOBILIZATION LS 1 $125,000.00 $125,000.00 2 PROVIDE CONSTRUCTION SURVEYING AND LAYOUT LS 1 $352000.00 $35,000R() 3 AS -BUILT RECORD DRAWINGS LS 1 $15,000.00 $155000.00 4 EROSION CONTROL LS 1 $10,500.00 $10,500.00 5 SILT FENCE LF 8,656 $2.50 $21,640.00 6 TURBIDITY BARRIER LF 100 $21.00 $2,100.00 7 CLEARING AND GRUBBING INCLUDING GEOTUBE REMOVAL 1.53 AC LS 1 $55,000.00 $552000.00 8 GRADE LAKE BANKS LS 1 $50,000.00 $50,000.00 9 IN -PLACE COMPACTED, IMPORT ED FILL CY 10,573 $50.00 $528,650.00 10 LITTORAL PLANTINGS KFT BELOW, 3FT ABOVE CONTROL ELEV) LF 5,645 $10.00 $56,448.10 11 PERFORMANCE TURF(SOD - INCLUDES WATER, FERTILIZER & MOWING)SY 62784 $12.00 $815408.00 12 ADJUST VALVE BOX TO GRADE EA 35 $300.00 $102500.00 13 IRRIGATION SYSTEM REPAIRS & RESTORATION LS 1 $50,000a0 $50,000.00 14 LANDSCAPE -TREE REMOVAL (PALM) EA 29 $350.00 $10,150.00 15 LANDSCAPE -TREE REMOVAL HARDWOOD OAK) EA 2 $2,500.00 $5,000.00 16 LANDSCAPE- TREE REMOVAL (OTI IER)EA 7 $22000.00 $14,000.00 17 12" YARD DRAINS EA 34 IUL200.00 $40,800.00 18 8" ADS STORM PIPES LF 1700 $30.00 $51,000.00 Subtotal $11162,196.10 SIDEWALK IMPROVEMENTS 19 REMOVAL OF ASPHALT PAVEMENT & LIMEROCK(EXCAVATION & DISPOSAL) SY 2228 $25.00 $55,700.00 20 REMOVAL OF EXISTING RETAINING WALL (RAILROAD TIES) LF 2,149 $20.00 $42,980.00 21 ASPHALT SIDEWALK, ON 41"LIMEROCK SY 2,137 $35A0 $74,795.00 22 Y VALLEY GUTTER RAMP & TRANSITION (INCLUDES ASPHALT PATCHING) LF 70 $3R00 $2,100.00 23 STACKED BLOCK RETAINING WALL LF 25175 $80.00 $174,000.00 24 ROOT BARRIER 24" DEEP LF 400 $30A0 $12,000.00 25 DETECTABLE WARNINGS CLAY BRICK PAVERS) SF 130 $45.00 $5,850.00 Subtotal $367,425.00 Total $L52%621.10 10 % CONTINGENCY $152,962.11 TOTAL $1,682,5832t Agenda item #6 Page 2 of 3 PRELIMINARY ENGINEER'S OPINION OF PROBABLE COST Agnoli, Barber & Brundage, Inc. March 23, 2021 ABB Project No. 20-0139 LAKE REMEDIATION - PELICAN BAY LAKE 4-1 REGRADE EAST SIDE - RIP RAP WEST SIDE Item No. Description Unit Quantity Unit Cost Pay Item Total 1 MOBILIZATION LS 1 $125,000.00 $125,000.00 2 PROVIDE CONSTRUCTION SURVEYING AND LAYOUT LS 1 $35,000.00 $35,000.00 3 AS -BUILT RECORD DRAWINGS LS 1 $152000.00 $15,000.00 4 EROSION CONTROL LS 1 $10,500.00 $10,500.00 5 SILT FENCE LF 8,656 $2.50 $21,640.00 6 TURBIDITY BARRIER LF too $21.00 $2,100.00 7 CLEARING AND GRUBBING (INCLUDING GEOTUBE REMOVAL)U.53 AC) LS 1 $552000.00 $55,000.00 8 GRADE LAKE BANKS LS 1 $50,000.00 $50,000.00 9 M-PLACE COMPACTED, IMPORTED FILL CY 62894 $50.00 $344,700.00 10 RUBBLE RIP -RAP WITH GEOTEXTILE UNDERLAYMENT CY 1,851 $250.00 $462,750.00 11 LITTORAL PLANTINGS (2FT BELOW, 3FT ABOVE CONTROL ELEV) LF 3,460 $IRoo $344600.00 12 PERFORMANCE TURFSOD- INCLUDES WATER, FERTILIZER & MOWING) SY 6,784 $12.00 $81,408.00 13 ADJUST VALVE BOX TO GRADE EA 35 $300.00 $1%500.00 14 IRRIGATION SYSTEM REPAIRS & RESTORATION LS 1 $50,000.00 $50,000.00 15 LANDSCAPE- TREE REMOVAL (PALM) EA 29 $350.00 $10,150,00 16 LANDSCAPE -TREE REMOVAL HARDWOOD OAK) EA 2 $2,500.00 $5,000.00 17 LANDSCAPE - 'TREE REMOVAL OTHER EA 7 $2,000.00 $14,000.00 18 12" YARD DRAINS EA 34 $L200.00 $40,800.00 19 8" ADS STORM PIPES LF 1700 $30.00 $5L000,00 Subtotal SL4192148.00 SIDEWALK IMPROVEMENTS 19 REMOVAL OF ASPHALT PAVEMENT & LIMEROCK EXCAVATION & DISPOSAL) SY 25228 $25.00 $55,700.00 20 REMOVAL OF EXISTING RETAINING WALL (RAILROAD TIES) LF 2,149 $20,00 $42,980.00 21 ASPHALT SIDEWALK, ON 4"LIMEROCK SY 21137 $35.00 $74,795.00 22 3' VALLEY GUTTER RAMP & TRANSITION (INCLUDES ASPHALT PATCHING) LF 70 $30.00 $2,100.00 23 STACKED BLOCK RETAINING WALL LF 21175 $80.00 $174,000.00 24 ROOT BARRIER (24"DEEP) LF 400 $30.00 $12,000.00 25 DETECTABLE WARNINGS (CLAY BRICK PAVERS) SF 130 $45.00 $5,850.00 Subtotal $367,425.00 Total $1,786,573.00 10% CONTINGENCY $178,657.30 TOTAL $1,965,230.30 Agenda item #6 Page 3 of 3 PRELIMINARY ENGINEER'S OPINION OF PROBABLE COST Agnoli, Barber & Brundage, Inc. March 23, 2021 ABB Project No. 20-0139 LAKE REMEDIATION - PELICAN BAY LAKE 4-1 GEOWEB EAST SIDE - RIP RAP WEST SIDE Item No. Description Unit Quantity Unit Cost Pay Item Total I MOBILIZATION LS 1 $125,000.00 $125,000.00 2 PROVIDE CONSTRUCTION SURVEYING AND LAYOUT LS 1 $35,000.00 $35,000.00 3 AS -BUILT RECORD DRAWINGS LS 1 $15,000.00 $155000.00 4 EROSION CONTROL LS 1 $10,500.00 $10,500.00 S SILT FENCE LF 82656 $2.50 $21,640.00 6 TURBIDITY BARRIER LF 100 $21.00 $2,100.00 7 CLEARING AND GRUBBING(INCLUDING GEOTUBE REMOVAE(1.53 AC) LS 1 $55,000.00 $552000oo 8 GRADE LAKE BANKS LS 1 $50100R00 $5000.00 9 IN -PLACE COMPACTED, IMPORTED FILL CY 6,125 $50.00 $306,250.00 10 IRUBBLE RIP -RAP WITH GEOTEXTILE UDERLAYMENT CY 1,851 $250.00 $462,750.00 11 GLOWER WITH GRAVEL IN -FILL SY 45613 $120.00 $553,560.00 12 PERFORMANCE TURFSOD - INCLUDES WATER, FERTILIZER & MOWING)SY 65784 $12.00 $812408.00 13 ADJUST VALVE BOX TO GRADE EA 35 $300.00 $102500.00 14 IRRIGATION SYSTEM REPAIRS & RESTORATION LS 1 $50,000.00 $50,000.00 lS LANDSCAPE- TREE REMOVAL (PALM) EA 29 $350.00 $10,150.00 16 LANDSCAPE -TREE REMOVAL HARDWOODOAK EA 2 $2,500.00 $5,000.00 17 LANDSCAPE - 'TREE REMOVAL GTHLR EAffl $22000.00 $145000.00 18 12" YARD DRAINS EA$I,200.00 $40,800.00 19 8" ADS STORM PIPES LF$30.00 $51,000.00 Subtotal $U899,658.00 SIDEWALK IMPROVEMENTS 19 REMOVAL OF AS PI IALT PAVEMENT & LIMEROCK(EXCAVATION & DISPOSAL) SY 22228 $25.00 $552700.00 20 REMOVAL OF EXISTING RETAINING WALL (RAILROAD TIES) LF 2,149 $20.00 $42,980.00 21 ASPHALT SIDEWALK, ON 4"L1MEROCK SY 2, 137 $35.00 $745795.00 22 3' VALLEY GUTTER RAMP & TRANSITION (INCLUDES ASPHALT PATCHING) LF 70 $30.00 $2,100.00 23 STACKED BLOCK RETAINING WALL LF 2,175 $80.00 $1742000.00 24 ROOT BARRIER (24"DEEP) LF 400 $30.00 $12,000.00 25 DETECTABLE WARNINGS (CLAY BRICK PAVERS) SF 130 $45.00 $5,850.00 Subtotal $367,425.00 Total $2,2672083.00 10% CONTINGENCY $2261708.30 TOTAL $2,4935791.30 N O N O N E o ErnM �a a o Q O + O) y N O E E ZOO Qoa II w m 0 8 E i o � a � d 1{� n Q N \ m X v <\ E W v v v v vv v o a a v v v `wY�y'v rna a-cvn� -o °~ E 'c ;? o o v ^ v a a v»+ i° v 'o 0 N G N o rnv.2 °-60.03 _ �44 70 l+ I� Q� i�o�so4o uJ .r 4A 4 � {4a je Qv luvo, 40, �4 4�s � hi wi MI �I MI Mi W) V h h N M N 91 N