TO:
Honorable Mayor and Members of the City Council
THROUGH:
Bruce Moe, City Manager
FROM:
Talyn Mirzakhanian, Acting Community Development Director
Erik Zandvliet, T.E., City Traffic Engineer
SUBJECT:Title
Update on the City's Traffic Signal Battery Backup Systems (Acting Community Development Director Mirzakhanian).
RECEIVE AND FILE
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Recommended Action
RECOMMENDATION:
Staff recommends that the City Council receive and file the update on the City's Traffic Signal Battery Backup Systems.
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FISCAL IMPLICATIONS:
Funds are budgeted in the Fiscal Year (FY) 2022-2023 for traffic signal maintenance. Funds for future maintenance costs will be included in the FY 2023-2024 budget.
BACKGROUND:
During the recent storms, the City has experienced several power outages that affected various parts of the City. Some of the traffic signals with battery back-up equipment failed to remain in operation during the outage, which led staff to discover that several locations have faulty equipment. This staff report provides an update on the actions being taken to provide reliable battery back-up (BBU) power to all of the City's traffic signals.
DISCUSSION:
Thirty-four of the City's 38 traffic signals are equipped with BBU systems to provide supplemental power during short power outage events. The signals are programmed to maintain full operation for one to four hours, and then continue in flashing red mode until the batteries are fully depleted. When a traffic signal stops functioning, State law requires motorists to treat the intersection as a stopped intersection in accordance with to the California Vehicle Code "rules of the road."
As part of the City's traffic signal maintenance agreement with Los Angeles County Department of Public Works, staff requested that the County provide us a report of any currently-inoperable BBU systems within the City. The County completed its inspection and indicated that of ...
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