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Commission schedules follow-up and seeks engineer briefing on Basin 1 stormwater plan after concerns about swales and outfall
Summary
Commissioners and residents raised concerns about a proposed Basin 1 bid book that called for extensive swale installation; commissioners asked the project engineer for a phased approach and scheduled a standalone meeting to discuss design, outfall inspections and bidding strategy before awarding contracts.
Commissioners and residents discussed the Basin 1 stormwater project (agenda item 5d) and asked staff and the project engineer to return for a stand-alone briefing before the project goes to final bids.
Commissioner Tim Reed and multiple residents expressed concern that the bid book calls for swales on both sides of many streets, which the engineer's drawings showed could total several miles of swale work. One commissioner said the scale "seemed like an awfully large undertaking, unprecedented," and worried that creating additional swales could increase standing water in some areas and create mosquito or safety hazards. Reed recommended a phased approach: first inspect and, if needed, repair or upsize the critical downstream outfall and key sewer runs shown in the plans, plus perform initial pipe replacements and road resurfacing; then, after evaluating performance, decide whether broad swale installation is necessary.
Reed said he had asked the engineering firm (BSC) to consider a two-phase option; the engineer reportedly told him a phased approach was a viable option. Commissioners and residents also raised questions about which sewer runs and outfalls had been inspected: the engineer confirmed that some sections (notably a north-south run) were inspected and left in place, but the larger outfall to the lagoon or river had not been inspected, and commissioners asked for that inspection to be completed before a large-scale excavation and swale installation.
The town manager said an invitation to bid will be published (the advertisement was scheduled to publish Friday) with a nonmandatory pre-bid meeting in about three weeks and bids due the following Friday. Commissioners asked staff to expand outreach (social media, direct emails to engineering firms and statewide municipal posting services) and to provide two potential dates within the next three weeks for a stand-alone public meeting where the engineer can present drawings and take commissioner and public questions.
Several residents who attended urged the commission not to rush into a full swale program and supported a phased approach. Commissioners agreed to ask the engineer to prepare an alternative bid package (phase 1: critical pipe upsizing and resurfacing; phase 2: optional swale work) and to schedule a separate, focused meeting for detailed review before awarding contracts.
