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Commission approves transmittal for HDR's Flint Creek Dam inspection plan; field inspection set for May

Granite County Commission ยท November 4, 2025

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Summary

HDR Engineering presented a draft inspection plan for the Flint Creek Dam comprehensive assessment. Commissioners approved a transmittal letter to FERC and directed staff to submit the inspection plan. HDR scheduled a field inspection for May 18 and a failure-mode analysis workshop in mid-June.

HDR Engineering briefed the Granite County Commission on a draft inspection plan prepared for FERC as part of the Flint Creek Dam comprehensive assessment. The consultant said the plan describes background information, inspection methods, team resumes and a schedule of milestones.

HDR asked whether the county could provide boat access to the upstream face of the dam; county staff confirmed boat access would be available. HDR said it would not perform rope-access inspection of the spillway during the initial inspection but would observe accessible areas by boat and on foot. HDR identified May 18 as the tentative date for the field inspection, with a PFMA (potential-failure-mode analysis) workshop to follow and a virtual risk workshop scheduled for mid-June.

Commissioners approved a transmittal letter to accompany the plan and directed staff to submit the inspection plan to FERC by Nov. 18. HDR and county staff discussed logistics including on-site meeting space and hybrid participation needs for the workshops. HDR said the field inspection and the week of workshops are the primary milestones and asked the county to identify county representatives and dam staff who can participate.

No substantive changes to the plan were made at the meeting; staff will incorporate any commissioner comments and deliver the final materials to HDR for submission to FERC.