Rhode Island · answered by Verika · verified against sources
What are the rules for placing concrete in cold weather on Rhode Island DOT projects?
Submit a cold weather concreting plan 24 hrs before placement if air temp ≤40°F or forecasted ≤40°F for 14 days (bridge decks). Maintain concrete temp ≥50°F for 14 days post-placement using heating devices (e.g., steam coils, enclosures) and humidity control. Seal depressions in exposed surfaces to prevent water intrusion. Use heated aggregates/water (≤90°F concrete at placement) and avoid frozen subgrades. Provide 24-hour temp records.
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