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Robbins adopts $3.4 million-focused sewer capital plan after asset-inventory study
Summary
Town engineers presented an AIA-funded asset inventory showing significant infiltration/inflow and degraded mains; commissioners adopted a sewer capital improvement plan recommending phased repairs including a Northeast outfall project estimated at about $3.4 million over two years and authorizing pursuit of funding applications.
John Gray, the town engineer, presented results from an AIA (asset inventory and assessment) grant that updated Robbins’s sewer system map, conducted smoke testing, relative flow analysis and selective TV inspections and manhole reviews. The study inspected 42 manholes and roughly 4,600 feet of gravity main by robotic and 1,500 feet by cleaning-and-camera methods; Gray said about 40% of the TV‑inspected sections were in poor condition.
The study identified major sources of infiltration and inflow (I&I), notably from the Pine Tree area and a northeastern outfall. Gray estimated the Northeast outfall repairs at about $3.4 million split over two years and said the capital improvements plan (CIP) schedules the most urgent projects in the first six to seven years, then phases later work to reduce near-term costs. He also said the asset plan includes an operation-and-maintenance element and a rate study to support future funding and grant applications.
Town Manager Clint and commissioners discussed repair strategies, including point repairs, pipe lining and partial replacement where gravity lines have multiple bad locations. Gray said some gravity mains could be lined if damage is limited, while severely offset or dipped segments may require excavation. He recommended packaging the highest-priority projects into funding applications expected to open in the spring (likely April) and noted the CIP will strengthen future grant submissions.
During the Q&A commissioners and staff asked for clarification on extent of repair versus replacement and the schedule of projects; Gray said detailed design would resolve line-by-line recommendations. The commission moved to adopt the sewer CIP and voted to approve the resolution adopting the plan, enabling staff to pursue funding applications and begin prioritized repairs and maintenance actions.
The commission also noted the report includes cost opinions for treatment-plant items and recommended using the inventory and CIP as a basis for capital budget decisions and future grant applications. The adoption carries with the direction that staff pursue funding opportunities and return with design-level recommendations as project scoping and procurement proceeds.
The commission voted to adopt the Sewer Capital Improvement Plan; staff will pursue funding applications and follow up with design recommendations and implementation steps.
