North Dakota · answered by Verika · verified against sources
What are the rules for placing concrete in cold weather on North Dakota DOT projects?
Submit a cold weather protection plan if National Weather Service forecasts air temps below 40°F during curing; maintain concrete surface temp between 40°F–90°F for 5 consecutive days using admixtures, heated components, insulation/enclosures, and monitored temps; avoid sudden temp changes; reduce enclosure temp to ambient at ≤15°F/hour before removal; Engineer approval required before placement [1,3,5,7].
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Verika provides information with citations to help you find and understand the rules that apply to your work. It is not a substitute for professional engineering or legal judgment. Answer generated 2026-08-28; always confirm against the cited source for your project.