Pend Oreille County Public Utility District Submits Spillway Repairs Plan to FERC

The Pend Oreille County Public Utility District has submitted a proposal to the Federal Energy Regulatory Commission (FERC) for the proposed Box Canyon Spillway Apron Maintenance Repairs. The project, managed by the McMillen Corporation, aims to repair and replace the downstream apron of the Box Canyon Hydroelectric Project spillway. The repairs will involve demolishing a 42' x 22' area immediately downstream of each spillway gate to a depth of 6 to 12 inches, with new material installed to meet or exceed the original profile and properties of the downstream apron.

Key Takeaways:

• The proposal involves demolishing a 924 square foot area downstream of each spillway gate, with a depth of 6 to 12 inches.
• The contractor will be required to meet or exceed the original profile and properties of the downstream apron.
• The planned completion date for the project is fall 2025.
• The District intends to begin work as soon as possible.
• Bryant Kramer, Director of Power Production and Chief Dam Safety Coordinator, is the point of contact for any questions or concerns.
• The McMillen Corporation has created plans and specifications for the project.
• The District has submitted attachments to FERC, including drawings, specifications, and a design summary.

Statistics:

• 42' x 22' area to be demolished, approximately 924 square feet
• Depth of demolition: 6 to 12 inches
• Planned completion date: fall 2025
• Contact person: Bryant Kramer, bkramer@popud.org, 509-447-6756

Sources:

• Pend Oreille County Public Utility District, "Proposed Box Canyon Spillway Apron Maintenance Repairs, FERC No. 2042" ( submitted to FERC)