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Project Name: Powerline Channel and FRS Decommissioning Project


Project Manager: Mel Bunkers
Contact by phone at (602) 506-4602 or by email

Project is in Supervisor District:

  • District 1: False
  • District 2: False
  • District 3: False
  • District 4: False
  • District 5: False

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Project Type: Engineering/Design

Project Description:

The Powerline flood retarding structure (FRS) and interim dam safety measure (IDSM) will be replaced by the upstream earthen flood control Powerline Channel, that is designed for the 100-year flood event, by directing flows from the channel to the Vineyard Road FRS flood pool. The necessity of the project is to provide ongoing flood protection for the downstream benefitted area and to reduce the risk of loss of life and property due to catastrophic dam failure. Action is required to address public safety concerns related to and bordering a flood control dam that does not meet existing safety and performance standards for a high hazard potential structure. Vineyard Road FRS rehabilitation will occur prior to construction of Powerline Channel. Th Powerline Channel project is currently at the final design stage. The Powerline Channel construction start date is unknown, however, it is after the Vineyard Road FRS Rehabilitation Project is completed.

Last Updated: 8/16/2023 3:03:16 PM

Project Updates

Powerline Channel and FRS Decommissioning
Posted On: 8/16/2023 3:03:16 PM

Final Design submitted July 25, 2023 - Stantec and Wood Patel

Biological Evaluation
Posted On: 4/4/2022 10:36:13 AM

Biological Evaluation Completed 12/24/20 - EcoPlan Associates, Inc.

Powerline and FRS Decommissioning
Posted On: 3/16/2022 1:54:00 PM

100% Design in Progress - Stantec Consulting and Wood Patel

Public Meetings

There are no public meetings scheduled.

Project Documents

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There are no documents attached for this project.