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Chandler continues multi-year fiber upgrades to add redundancy after 2018 outage
Summary
City staff described an ongoing outside-plant fiber repair and upgrade program (year 4 of a 13+ year master plan) to fix gaps and add diverse routing; the program was described as averaging about $1.5 million to $2 million per year and intended to prevent single-failure outages.
City staff presented the outside-plant fiber repair and upgrade program, which aims to address network gaps identified in a 2020 master plan and add diverse routing to prevent single-point failures.
Dennis (city fiber staff) said the city began migrating from copper to fiber decades ago and carried out incremental installations without an overall master plan. A 2020 master plan identified deficiencies; the current program is year four of a projected 13-plus year effort to add redundant and diverse routes serving traffic signals, libraries, fire and police stations, and other city facilities.
Dennis told council the program averages about $1.5 million to $2 million per year (presentation noted variability and inflation). He referenced a 2018 incident in which a fiber cable cut took down service to the south half of the city and said the upgrade work is intended to prevent similar outages by creating alternate routing paths.
Council members asked about testing, replacement schedules and redundancy design; staff said the program includes testing, repair, selective replacement and construction of diverse routes where necessary. The item was informational in the study session; staff did not request immediate council action in the excerpt.
