Title
Resolution to Approve Amendment No. 4 to Extend the Professional Services Agreement with Geosyntec Consultants of Michigan, Inc. for Hydroelectric Dams - FERC Title 18 Part 12, Subpart D (Part 12D) Inspections and Other Engineering Services in the Amount of $556,000.00 (Total Contract Amount $996,700.00)
Memorandum
This memorandum and resolution requests approval of Amendment No. 4 to the professional services agreement for professional engineering services with Geosyntec Consultants of Michigan, Inc (Geosyntec) in the amount of $556,000.00. Council approved a professional services agreement for $100,000.00 with Geosyntec in December 2022 as part of Resolution R-22-333, Amendment No. 1 in September 2023 as part of Resolution R-23-342 for $115,700.00, Amendment No. 2 in June 2024 as part of Resolution R-24-190 for $125,000.00, and Amendment No. 3 in June 2025 as part of Resolution R-25-195 for $100,000.00.
The Barton and Superior Dams, including the associated concrete spillway sections and powerhouses, are critical city infrastructure. The dams are experiencing significant concrete deterioration, which has been identified by the Federal Energy Regulatory Commission (FERC) in their last annual safety inspection and the Part 12 inspections. FERC is the federal regulator for Barton and Superior Dams and the City is required to satisfy FERC requests in order to maintain licensure.
Throughout various meetings held as part of the original project scope with Geosyntec, FERC requested additional engineering efforts, including the development of a concrete repair plan and detailed design for the repairs at the Barton and Superior spillway and powerhouse. As part of Amendment Nos. 2 and 3, Geosyntec has completed the field investigations and condition assessments to identify critical elements of the concrete structure in need of repair to address potential failure modes and maintain overall stability. Also as part of Amendment Nos. 2 and 3, Geosyntec has completed...
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