Broken Arrow City Council
Meeting of: 05-20-2025
Title:
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Approval of and authorization to execute a budget transfer for the Tiger Hill Tank Floor Remediation (project number 2554820)
End
Background:
The Tiger Hill Ground Water Storage Tanks reside on Tiger Hill at the southwest corner of the intersection of 9th Street (Lynn Lane) and Kenosha Street (71st). The storage tanks on top of the hill consist of (2) two one-million-gallon tanks and (1) one two-million-gallon tank. The easternmost tank, the 2-million-gallon tank, is currently undergoing a renovation project that consists of removal and replacement of the roof section, misc. upgrades and repairs, and internal and external coatings replacement.
During construction, it was found that under the base floor of the tank, due to tank leaks over the years, the supporting soils were undermined and large void cavities are present. The flooring of the tank and foundations are outside of the scope of the rehabilitation project underway. In order to repair these void cavities without removal of the steel tank floors, staff plan to execute a separate contract with a professional structural foam injection company to fill the voids with expansive epoxy foam and perform extensive soil stabilization through pressurized foam injection. The estimate for this work is expected to be between $75,000 and $100,000.
Within the Utilities Department capital budget, project number 2554280 has been allocated for unplanned Economic Development projects that are executed during the course of the fiscal year for City forces to install various infrastructure. With no Economic Development projects presented for utility infrastructure assistance requests, staff requests to utilize these funds for use on project number 2554820 - Tiger Hill Tank Floor Remediation. If approved, staff will bring the epoxy foam injection contract to the authority on the June 3, 202...
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