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Council updates Hidden Canyon slide remediation plan, requires hydroseeding and soil testing
Summary
Council and staff described a remediation plan for the Hidden Canyon slide area that includes testing topsoil (with Utah State), requiring a 50/50 compost/topsoil mix, drainage channels, and hydroseeding; staff expects testing results back the following Thursday and set a planting timeline before year end.
Council received an update on remediation work for the Hidden Canyon open-space slide. Council Member Green (speaker 4) said the city and contractors agreed on a plan that requires a 50/50 compost/topsoil mix to ensure seed germination, placement of topsoil down the slide center, installation of east/west drainage channels, and hydroseeding with a contractor equipped with long hose capability.
Green said the contractor has a large topsoil pile on site and that Utah State is testing the material; staff expects results later in the week and will proceed with placement and seeding if tests confirm suitability. Council discussed using volunteer groups and a fall "acorn" collection campaign to supply seed stock and plantings; staff requested the work be completed by the end of the year.
Council emphasized follow-up coordination between public works and volunteer organizers and confirmed testing and seeding protocols will be enforced by the city as part of the remediation agreement.
