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Planners weigh life-safety benefits and costs of requiring sprinklers in new homes and ADUs
Summary
City staff asked the Planning & Zoning Commission for advice on a code requirement that new single-family homes and newly built ADUs include fire sprinkler systems; commissioners discussed tradeoffs between life-safety benefits and additional construction and water-service costs and requested more local data before council consideration.
City staff presented a non-action discussion on Jan. 28 about Glenwood Springs's requirement that new single-family homes and accessory dwelling units include fire sprinkler systems, a requirement adopted with the city's 2021 code cycle.
Community Development Director Hannah Clausman said the rules were adopted to prioritize life safety and noted national findings that residential sprinklers increase escape time and reduce fire spread and emissions. "They can range anywhere from about $5,000 up to $20,000 depending on your project," Clausman said, noting that those figures are national-range estimates and that local costs can vary widely; she also cautioned that some projects require water-line upgrades that can markedly increase overall cost.
Building Official Victor Morz and fire professionals answered technical questions. Morz clarified that the requirement applies to new detached ADUs and new construction: "If you're doing an ADU brand new then you need to sprinkle it," he said, adding that remodels within an existing footprint generally do not trigger the sprinkler requirement. Fire representatives noted options such as smaller tap sizes, or standalone tank-and-pump systems, but warned these alternatives can add cost or maintenance needs. One fire official said smaller systems in the local context can sometimes be served by 3/4-inch or 1-inch taps depending on structure size.
Commissioners explored possible offsets and programmatic responses: targeted financial incentives (for example, using the workforce-housing-fund to support deed-restricted affordable units), a pre-approved ADU plan set to reduce design costs, an approved contractor list to streamline installations, and outreach to clarify insurance-premium effects. Staff said the Housing Commission is researching pre-approved ADU plans and that any incentive program would require council approval.
Several commissioners said they favored life-safety improvements but asked staff to provide comparative data from neighboring jurisdictions, local fire-incident and fatality statistics, and a full cost breakdown (including likely tap-size upgrades) before forwarding a recommendation to council. Staff also noted a forthcoming state wildfire-resiliency code that may affect local requirements later in the year.
Because the item was a discussion, commissioners did not take formal action. Staff will compile the commissioners' feedback, collect the additional data requested, and present the matter to city council for further consideration.
