Sidewalks should cost around $10/sqft, that's graded, compacted, placed and poured. A little extra for the ADA mats at the ramps. Granite curbing should be around $45/LF that's the curbing furnished, trenched out, and backed in place with concrete. How much sidewalk and curbing are we talking about downtown? Seems high. Those numbers I gave are probably high even if the project falls under the Davis Bacon wage act.
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