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Seawall Project


What is the Project?

The District is undertaking the Project in order to stabilize the community seawall, which is more accurately described as a “retaining wall.” The retaining wall was constructed in the years following the District’s establishment in 1999, and is an integral part of the District’s stormwater management system. After the retaining wall was installed, it became apparent that it was failing, causing the retaining wall sheets to bend and the concrete cap at the top of the wall to rotate. The Project is intended to repair/replace or re-support the retaining wall and associated appurtenances as deemed necessary by our structural engineers.

The Engineer’s Presentation describes two options for completing the Project (said Options are now referred to as Modified Option 1 and Option 3 based on the project’s previous history), with “pros” and “cons” to each that need to be considered. The Finance Team’s Presentation analyzes various methods available to the District for financing the Project.

What is the goal of the Project?

The goal of the Project is to repair/replace or re-support the retaining wall and associated appurtenances as deemed necessary by the District’s structural engineers, enhance the longevity and durability of the retaining wall system, minimize upland soil movement, and preserve existing incidental uses, while at the same time doing so at a reasonable cost.

Full FAQ

Other Documents/Presentations (Most Recent First)
2017-7-11 – Harbor Bay CDD Cap Rotation Table and Figure
MiraBay 2017-6-12 BOS Q&A Meeting – Low resolution
2017-5-5 – Harbor Bay CDD Cap Rotation Table and Figure
Repair Request Protocol 4-11-2017 – FINAL
Seawall Questions 04-27-17 v2
Updated Licensed and registered contractors to perform upland repairs within the CDD's easement 4.20.17
2017-4-5 – HBCDD – Seawall Litigation Complaint
2017.03.09 Letter to M. Eckert (Mira Bay – Harbor Bay CDD)
2017.02.27 Letter of Representation (Mira Bay)
Mirabay Preliminary Master Timeline Analysis
RFP 2.15.2017
Langan questions – Steve Lockem 1-17-1017
Outstanding seawall questions – Paul Curley 1-11-2017
Langan Responses to the BOS 12-31-2016 Q and A with Langan regarding Projected Stabilization (2) (1)
Presentation for Mirabay 2016-12-15 BOS Meeting Final
Harbor Bay 2015-12-14 Workshop Presentation (12-14-15)
Mirabay 2016-08-25 cdd board presentation Interim Stab Next steps
Mirabay 2016-07-28 cdd board presentation Section II RFP
2016-3 Levying Debt Assessments Harbor Bay
Harbor Bay CDD — 4.27.16 Ltr to Carreja
Harbor Bay Series 2016 Prelim Special Assmt Allocation Report 3-24-16
Mirabay Engineer's Report for the Master Project (revised)
Mirabay 2016-03-17 cdd board presentation Final
Mirabay Bulkhead Rehabilitation Master Project – For Bidding Purposes Only (1)
Status Update on Mirabay Master Retaining Wall Stabilization Project
Draft Navigation Study
Final Peer Review Report 2015-04-20
Pilot Project Report
Financing Presentation re Master Stormwater Seawall Project – Harbor Bay FINAL
Summary of Estimated Debt Assessment Levels for Section 1
RFP for Master Project
Draft Summary of Estimated Costs
Seawall Master PlanRepairs Rip Rap Alternate
Seawall Master Plan Repairs New Wall Option
Mirabay Peer Review Report Presentation