HomeMy WebLinkAbout11.24.20 Board Correspondence - FW_ General Correspondence issued in FERC P-619-000
From:Schuman, Amy
To:Alpert, Bruce;Bennett, Robin;Clerk of the Board;Connelly, Bill;Cook, Holly;Lambert, Steve;Lucero, Debra;McCracken,
Shari;Paulsen, Shaina;Pickett, Andy;Ring, Brian;Ritter, Tami;Rodas, Amalia;Sweeney, Kathleen;Teeter, Doug
Subject:Board Correspondence - FW: General Correspondence issued in FERC P-619-000
Date:Tuesday, November 24, 2020 11:24:10 AM
Please see the email message below from FERC.
Amy Schuman
Associate Clerk of the Board
Butte County Administration
25 County Center Drive, Suite 200, Oroville, CA 95965
O: 530.552.3300 |D: 530.552.3308 | F: 530.538.7120
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-----Original Message-----
From: 'FERC eSubscription' <eSubscription@ferc.gov>
Sent: Tuesday, November 24, 2020 11:05 AM
Subject: General Correspondence issued in FERC P-619-000
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On 11/24/2020, the Federal Energy Regulatory Commission (FERC), Washington D.C., issued this document:
Docket(s): P-619-000
Lead Applicant: Pacific Gas and Electric Company
Filing Type: General Correspondence
Compliance Directives
Description: Letter to Pacific Gas and Electric Company providing comments on the clogged ungated spillways, clogged
and/or damaged spillway gates, damaged conveyance features, and other impacts for the Control of Debris from the 2020 Fire
Season under P-619.
To view the document for this Issuance, click here https://urldefense.com/v3/__https://elibrary.ferc.gov/eLibrary/filelist?
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FEDERAL ENERGY REGULATORY COMMISSION
Office of Energy Projects
Division of Dam Safety and Inspections San Francisco Regional Office
100 First Street, Suite 2300
San Francisco, CA 94105-3084
(415) 369-3300 Office (415) 369-3322 Facsimile
November 24, 2020
In reply refer to:
Project No. 619-CA, et al
Mr. Jan Nimick, Vice President
Pacific Gas and Electric Company
Mail Code N11E
P.O. Box 770000
San Francisco, CA 94177-0001
Re: Control of Debris from the 2020 Fire Season
Dear Mr. Nimick:
This letter is being sent because we have identified one or more of your FERC
projects being located in an area that was and may still be experiencing impacts by the
extreme 2020 fire season. Depending upon the basin upstream of your project and the
amount of vegetation remaining after the fire, the potential exists for your project to be
impacted by excessive woody debris entering the reservoir, and/or impacts from possible
mud and debris flows from flash flooding during the 2020/2021 winter precipitation and
spring runoff events. This could include overstressed boat barriers or log booms, clogged
ungated spillways, clogged and/or damaged spillway gates, damaged conveyance
features, and other impacts. Based upon this concern, we are requesting you provide the
following information:
1. A list of your FERC projects within a basin that was impacted by the 2020 fire
season.
2. What efforts have been or are being made to assess the impacts from woody debris
and/or mud/debris flows entering the reservoir.
3. What type of debris is considered most likely to enter the reservoir, such as large
trees, branches, etc.
4. What efforts will be made to control and remove the debris that enters the
reservoir so that the spillway and/or outlet works are not blocked.
5. What efforts will be made to protect conveyance features, including flowlines,
canals and penstocks, that may be damaged by mud and debris flows or falling
trees and branches?
2
Within 45 days of the date of this letter, please address our comments or provide a
plan and schedule to address our comments prior to the onset of winter precipitation. We
If you have any questions, please contact me at (415) 369-3318.
Sincerely,
Frank L. Blackett, P.E.
Regional Engineer
cc:
Ms. Sharon Tapia, Chief
Division of Safety of Dams
2200 X Street, Suite 200
Sacramento, CA 95818