Santa Rosa completes Llano Trunk Rehabilitation Phase 1 on schedule and under initial estimate
Dec 5, 2025
City staff reported completion of the Llano Trunk Rehabilitation Phase 1, a 66-inch, roughly 8,100-foot sewer rehab that used cured-in-place lining, required significant environmental mitigation and bypass pumping, and is expected to finish closer to $18.5 million versus an initial $21 million estimate.
The full story
Construction is complete on the Llano Trunk Rehabilitation Phase 1 project, city staff told the Board of Public Utilities. Supervising engineer Richela Maeda said the work rehabilitated a 66-inch trunk sewer that runs from the Laguna treatment plant north of Todd Road for about 8,100 linear feet and included inspection and rehabilitation of 15 manholes.
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