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Council hears plan to coat Oak Street and adjacent subdivisions to extend pavement life
Summary
Staff presented a plan to use development impact fees and lot funds to coat roughly 2.5–3 miles of roadway (Oak Street and nearby subdivision streets) with a friction seal (GSB polymer mix), aiming for a June mobilization and a budget amendment at the next meeting to appropriate the funds.
City Assets Manager Casey McGehee (joining from Teams) presented a two-part road maintenance plan that would use development impact fees (DIF) and available lot funds to coat Oak Street and multiple streets in nearby subdivisions, covering an estimated 2.5–3 miles. McGehee described the surface treatment as a GSB polymer friction seal (GSB 88 2.1 plus 2% polymer with black fractured sand) intended to extend pavement life by approximately 4–6 years. "This treatment is to add 4 to 6 years of life to those streets," McGehee said, and staff is coordinating with neighboring jurisdictions to reduce mobilization costs.
Staff said one project would be paid from DIF revenue and the other from lot funds (remaining snow-removal and street maintenance money). McGehee and staff explained a budget amendment is needed to appropriate DIF revenue into the fiscal-year spending plan, and that the amendment will be advertised and returned for council approval at a future meeting. The council asked questions about prioritization, alternative surfacing options and long-term reconstruction costs; staff noted full reconstruction remains expensive (local estimate presented of about $1,300,000 per mile for full rebuild), and this coating project represents a targeted preservation approach.
