South Dakota · answered by Verika · verified against sources
What are the rules for placing concrete in cold weather on South Dakota DOT projects?
Between Oct 15–May 1 and when directed, maintain concrete ≥35°F until 1500 psi for sidewalks/curb/gutter/etc. For bridges/structures, maintain ≥50°F for 72h then ≥40°F for 48h (or ≥65°F for 72h). Flooding with water for 7 days is allowed. No temp drop >40°F in 24h post-protection. Enclosures must allow heat circulation; open flames prohibited unless forms cover entire surface.
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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.