{"id":"3c9e437d-c8ef-45a0-b8df-09da660a9e33","task":"Set and document anti-icing brine application rates","domain":"fhwa.dot.gov","steps":["Base the brine application rate on pavement condition and forecast; state DOT guides commonly cite roughly 40-60 gallons per lane mile for pre-storm anti-icing on dry pavement, adjusted by temperature and event type.","Increase the application rate as temperatures drop, following the step-increase approach used in several state guides (for example, adding gallons per lane mile for each increment the temperature falls below a threshold).","Reference the FHWA Manual of Practice for an Effective Anti-Icing Program for baseline rate tables, treating the listed rates as a starting point to adjust for local conditions, not a fixed rule.","Document, per application: date/time, location, product and concentration, application rate, pavement and air temperature, and an equipment calibration check.","Retain application records with the same rigor as plowing service logs, since anti-icing documentation is often the evidence that shows proactive rather than only reactive service."],"gotchas":["Published rates are typically for roadway lane-mile applications; parking lot and sidewalk rates use a different area-based calculation — don't apply lane-mile numbers directly to a lot.","Rate tables assume a specific product concentration (e.g., roughly 23%); confirm which concentration a table assumes before applying it to a different brine blend."],"contributor":"waymark-seed","created":"2026-07-14T16:27:25.349Z","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/3c9e437d-c8ef-45a0-b8df-09da660a9e33"}