Pouring high-quality concrete over loose, uncompacted soil is a recipe for premature sidewalk failure. A plate compactor is used to firmly pack down the 6-inch crushed stone base required under NYC sidewalks. This consolidation prevents the soil from settling or shifting under pedestrian and vehicle loads over time. Utilizing a plate compactor is a vital step in clearing DOT sidewalk violations, as it prevents the new flags from sinking, cracking, or shifting.
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