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Dennis DPW outlines multi-year wastewater project starting in July, warns of neighborhood disruptions
Summary
Town staff said collection mains will be installed starting in July under three contracts, with 300 days for bulk work and an overall phase-1 timeline of about 2½–3 years; residents will be mailed maps and are responsible for private hookups to stubs at their property lines.
Town staff (Tom, speaker S4) told the committee the town’s large wastewater-collection program will begin construction in July and could last for roughly 2½ to 3 years for the first phase. He described three separate collection contracts, each with different contractors and multiple crews working concurrently in neighborhoods.
S4 said the contractors must generally avoid working on main roads during the summer and that the contracts allocate about 300 days for the bulk of the collection work. After mains are installed there is a roughly 90-day compaction period before final paving can be scheduled, staff said.
Tom described the approach to homeowner connections: the contract crews will install the collection mains and provide a stub to each property line, but homeowners are responsible for making the private connection from the house to that stub. S4 said nothing will be brought online for sewage flow until the treatment plant is operational; the town expects a phased activation once the treatment facility is ready.
Staff also pointed residents to an interactive map on the Town of Dennis DPW website that identifies Phase 1 boundaries and informs homeowners which contract covers their property. The town plans a three-week look-ahead with contractors to publish planned detours and ensure police and DPW coordinate traffic control.
Committee members raised concerns about business impacts, multiple simultaneous crews, and detour complexity. S4 acknowledged the disruption, saying residents should expect more crews and traffic during construction; he advised checking the town DPW site for details.
S4 also referenced a large bridge contract awarded under MassDOT (reported in the meeting at approximately $64,000,000) that will affect traffic on Bass River Bridge and related detour planning.
