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Town briefs council on results of AIA sewer grant: manhole assessments, video inspections and model updates completed
Summary
Town staff reported to council on a $150,000 AIA grant-funded assessment of the sewer system that produced manhole condition ratings, CCTV pipeline video, revised hydraulic modeling and an updated asset-management plan; some immediate manhole rehabilitations were carried out.
Town staff presented results of a $150,000 grant from the North Carolina Department of Environmental Quality that funded assessments and targeted repairs of Smithfield’s sewer system, including manhole condition surveys, closed-circuit video inspections of pipelines, updates to the town’s hydraulic sewer model and an updated asset-management plan.
Public works staff reported that a contractor inspected 1,511 manholes and rated them on a scale of 1 (new) to 5 (requires immediate attention); the survey identified manholes needing rehabilitation and staff hired a contractor to reline and epoxy-coat the interiors of identified structures. CCTV inspection footage revealed localized pipe defects (holes and offsets) prompting follow-up repairs. The updated hydraulic model incorporated the new field condition data and will be used to predict impacts of future development and to guide capital projects such as the West Smithfield improvements already underway.
The grant also funded three flow meters that the town will install at strategic pump stations; the meters will be deployed as part of ongoing ARPA-funded projects. Staff told the council the updated asset-management plan and model will guide prioritization of future sewer improvements, help limit infiltration and inflow, and support long-term cost control and rate stability.
No council action was requested; staff said the grant meeting its deliverables enhances the town’s ability to plan capital work and to apply for future grants.
