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Council moves to add a second salt dome to ensure winter supply; ClearSpan building and block vendor contracts authorized
Summary
Council reviewed a plan to repurpose purchase orders and build a second salt dome to increase salt storage capacity; staff recommended ClearSpan for the structure and Mac Concrete for block walls, totaling up to $131,000.
City staff asked council on May 13 to authorize purchase and construction of an additional salt storage dome for the service department to ensure ample salt is available before the winter season and to avoid dependence on late-season deliveries.
Service and engineering staff said the proposed tubular truss building (ClearSpan product) is relocatable and includes engineered stamped drawings, a 20-year fabric warranty and a 50-year frame warranty. The structure will sit on three concrete block foundation walls; staff solicited three quotes for block supply and recommended Mac Concrete as the lowest responsible bidder. The combined cost for the ClearSpan building and the concrete block foundation contracts was presented as not to exceed $131,000.
Staff said the new dome will be placed near the existing yard and will allow the city to receive and store salt ahead of winter to avoid trucking delays when demand is high. The purchase will be funded by repurposing existing purchase orders allocated for a different capital purchase (Ford F-550s) as approved by the service director; no additional appropriation amendment was required because funds exist within existing POs.
Council asked about the ground surface under the dome; staff said current grindings are compacted and function similarly to an asphalt surface and that the dome and grindings are relocatable. Council placed the ordinance on the consent agenda for adoption.
