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City elevates Market Square and garage to capital priorities after structural failures; staff weigh geothermal and design options
Summary
Staff told council the City Hall Market Square complex and the adjacent parking garage show signs of end-of-life deterioration; staff proposed an expanded renovation/replacement approach that could include geothermal systems, improved accessibility and a rooftop amenity, and requested reprioritized CIP funding rather than net new borrowing.
City staff told council the Market Square and adjacent City Hall parking garage face structural and reliability problems that have led staff to recommend replacing or significantly rebuilding the assets rather than limited repairs.
Staff described an increasing frequency of major service outages and said the infrastructure is past its useful life in many areas. The presentation covered four drivers: the market square and garage structural condition, accessibility and universal-design shortcomings, potential value from geothermal energy if a full rebuild provides the space to install the system, and opportunity to reconfigure or add a rooftop amenity if reconstruction proceeds.
Why this matters: staff said the garage and Market Square issues are operational and fiscal priorities because outages have disrupted city operations and created high costs. One manager said a single-day failure of the facility caused "thousands and thousands of dollars" in losses and called the total impact on a closure "in six figures." Staff also emphasized that replacing and modernizing the assets could reduce long-term maintenance costs and produce operational efficiencies.
Details from the presentation
- Condition and scope: Staff said the garage and Market Square are the primary cost drivers of the project list change; some components might be repaired for 20 years of added life but full replacement can yield 50'to'60-year service life and allow inclusion of energy upgrades.
- Design options: Staff said they are exploring column and bay efficiencies, changes in clearance and layout to yield more parking without adding depth, and the feasibility of direct access from garage to City Hall. They noted underpinning and historic foundations raise risks and cost if more intrusive work is required.
- Geothermal: Staff described geothermal as a potential long-term savings opportunity if a full reconstruction permits drilling and installation. One staff speaker referenced a recent local drilling experience that informs expectations but said further geotechnical work is required.
- Budget framing: Staff said the proposal is being paid largely through internal reprioritization across the CIP rather than adding net new long-term borrowing. The team also launched Series 4 of public engagement to collect community priorities on design trade-offs.
Council members asked for net-present-value comparisons and a clearer accounting of deferred-maintenance versus replacement costs, and asked staff to provide comparative cost projections for repairing now versus replacing later. Staff said some of that material was being prepared and would be made available to council and the public during the engagement process.
Ending
Staff stressed urgency: engineering checks and intermittent concrete failures prompted the reconsideration of repair-versus-replace alternatives. They asked council to consider the draft budget package and said staff would provide detailed comparisons of lifecycle costs, parking capacity implications and operating impacts in follow-up materials.
