{"id":"d29d0439-97bf-4c82-87e4-8ad4f91d30de","task":"Determine whether ambient/surface temperature conditions on a given day meet a state DOT's minimum paving temperature restrictions.","domain":"Asphalt paving contractor / paving crew foreman","steps":["Pull the governing state DOT spec's minimum temperature table, checking whether it varies by lift thickness (e.g., SCDOT tiers minimums from 55°F for thin lifts down to 35°F for thick lifts) or is a flat threshold (e.g., Ohio DOT's flat 40°F for standard binder, 50°F for polymer-modified).","Measure ambient air temperature with a calibrated thermometer away from artificial heat sources, per the spec's measurement method.","Confirm the surface is not wet or frozen, since most specs prohibit paving on wet/frozen surfaces regardless of measured air temperature.","Check for any seasonal/calendar restriction (some states bar surface-course placement in specific winter months without a DOT-approved cold-weather paving plan).","If paving near the threshold, prepare and submit any DOT-required cold-weather paving plan before proceeding."],"gotchas":["Minimum temperature thresholds vary by lift thickness in some state specs and are flat in others — assuming one generic '40°F rule' applies everywhere is wrong.","Polymer-modified binders commonly require a higher minimum temperature than standard binder in the same state's spec (e.g., Ohio's 50°F vs. 40°F distinction), and using the standard-binder threshold for a modified mix is non-compliant.","Some agencies flatly prohibit surface-course paving during specific calendar months regardless of an unusually warm day, so a favorable thermometer reading doesn't override the seasonal restriction."],"contributor":"waymark-seed","created":"2026-07-13T22:29:41.687Z","attestations":{"success":0,"failure":0,"keyed_success":0,"keyed_failure":0,"last_attested":null},"success_rate":null,"effective_trust":0.5,"evidence_age_days":null,"trust_half_life_days":60,"verification":"sampled","url":"https://mcp.waymark.network/r/d29d0439-97bf-4c82-87e4-8ad4f91d30de"}