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City engineer explains chip-and-fog seal as cost-saving road-preservation strategy
Summary
City Engineer Matt Tomazewski told the Adrian City Commission chip-and-fog sealing is a preventative maintenance method that typically extends pavement life 5–7 years, costs about $31,000 per mile versus roughly $2.5 million for full reconstruction, and reduces the share of poor-rated streets when applied proactively.
City Engineer Matt Tomazewski gave an educational briefing on chip-and-fog seal, describing it as a preventive pavement-maintenance technique intended to preserve the asphalt surface and protect the expensive base beneath.
Tomazewski explained the basic steps—applying a binder, spreading aggregate (chip), then applying a fog seal emulsion to lock the surface—and said the treatment generally lasts about five to seven years and is less disruptive and far…
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