Council hears emergency repairs after sewer plugs and failing manhole liners

Public works staff told the council that two major plugs in the town's main sewer line were caused in part by failing manhole liners that detached and obstructed flow, leading crews to perform emergency pumping and to cut open manholes to remove debris.

The director described the episodes as a "nightmare," saying liners installed during earlier rehabs are falling off interior walls and blocking mains; crews had to set up pumps and physically open manholes to restore flow. Staff said they are re-evaluating rehabilitation methods, considering options such as plaster lining or an ArmorRock insert used at the wastewater lift station, and will investigate manufacturer or contractor warranty coverage for the failed liners.

A council member asked whether the issue is an industry-wide problem or specific to the town's materials and whether there is recourse against the contractor or manufacturer. Staff said they will research warranty terms and report back, noting the liners may be beyond warranty periods in some cases (discussion referenced 9—— year warranty windows).

Why it matters: failed liners that fall into mains can cause blockages and emergency responses that interrupt wastewater service, raise repair costs and require faster capital planning. Staff said the town will pursue alternative rehab materials and will check warranty and contractor responsibilities before committing to a long-term rehab approach.