`
`
`
`Power Generation
`
`
`
`
`77 Beale Street
`San Francisco, CA 94105
`
`Mailing Address:
`Mail Code N11D
`P.O. Box 770000
`San Francisco, CA 94177
`
`
`
`
`
`November 22, 2022
`
`
`
`Via Electronic Submittal (E-File)
`
`
`Frank L. Blackett, P.E.
`Regional Engineer
`Federal Energy Regulatory Commission
`Division of Dam Safety and Inspections
`San Francisco Regional Office
`100 First Street, Suite 2300
`San Francisco, CA 94105-3084
`
`RE: Pit 1 Hydroelectric Project, FERC No. 2687-CA
`Pit 1 Forebay Dam, NATDAM No. CA00405
`10th Part 12D Inspection – Status Update for Recommendation 8
`2020 Third 10-Year Detailed Radial Gate Inspection – Status Update for
`Recommendations 4, 7, 8, and 9
`
`
`
`ENCLOSURES CONTAIN CUI//CEII – DO NOT RELEASE
`
`
`Dear Frank L. Blackett:
`
`This letter presents (1) an update on the status of Pacific Gas and Electric Company’s
`(PG&E) efforts to address Recommendation 8 (R-8) from the 10th 5-year Part 12D safety
`inspection report (dated October 2021), and (2) PG&E’s status updates for related
`Recommendations 4, 7, 8, and 9 (G5-4, -7, -8, and -9) from the 2020 third 10-year detailed
`radial gate inspection report (GIR) (dated April 30, 2021) for Pit 1 Forebay Dam, which is
`part of PG&E’s Pit 1 Hydroelectric Project, Federal Energy Regulatory Commission
`(FERC) No. 2687. PG&E submitted its original plan and schedule for addressing R-8 in a
`letter to your office dated December 1, 2021, and submitted its original plans and
`schedules to address G5-4, G5-7, G5-8, and G5-9 in a letter to your office dated April 30,
`2021.
`
`PG&E’s status updates are provided in Enclosure 1 of this letter. The Pit 1 Forebay Dam
`Gate 5 radial gate coating evaluation is provided in Enclosure 2.
`
`Should you have technical questions concerning this matter, please contact Roy Arnold,
`gates and valves asset management lead engineer for PG&E, at (559) 575-5122. For
`
`
`
`Frank L. Blackett, P.E. Regional Engineer
`November 22, 2022
`Page 2
`
`
`general questions, please contact Jimmy Galloway, license coordinator for PG&E, at (530)
`521-6798.
`
`Sincerely,
`
`
`
`Peter Wade, P.E.
`Deputy Chief Dam Safety Engineer
`
`Enclosures: CUI//CEII – DO NOT RELEASE
`1. Status Update to Address Recommendation 8 from the 10th Part 12D Safety Inspection
`Report and Recommendations 4, 7, 8, and 9 from the 2020 Third 10-Year Detailed Radial
`Gate Inspection Report
`2. Pit 1 Forebay Dam Gate 5 – ATS Radial Gate Coating Evaluation and Recommendation,
`June 24, 2021
`
`
`
`
`
`
`
`
`
`
`



