ICC Adverse Weather Claims Evidence
Objective weather evidence for ICC adverse weather claims. Automated data collection, historical comparison, and abnormality analysis using 45+ years of site-specific data.
Understanding ICC Adverse Weather Provisions
Under ICC contract forms, adverse weather can form the basis for extensions of time and potentially additional cost claims. The specific provisions vary by ICC contract edition, but the core requirement is demonstrating that weather conditions were abnormal for the time and place.
The challenge is proving abnormality with objective data. Subjective assessments and incomplete site records are easily challenged. WeatherWise provides the objective data foundation for ICC weather claims by comparing actual conditions against 45+ years of historical records at your exact site location.
What Counts as Adverse Weather Under ICC
ICC contracts generally require demonstrating that weather was abnormal for the time and location. Objective historical comparison is essential.
Abnormal Rainfall
Rainfall that significantly exceeds normal levels for the time of year and location, as demonstrated by comparison against 45+ years of historical data at the site.
High Wind Events
Wind speeds or durations that exceed historical norms, preventing safe execution of crane lifts, scaffolding works, or other wind-sensitive activities.
Frost and Freezing
Prolonged or unseasonal frost events that go beyond what historical records show as normal, impacting concrete pours, earthworks, and other temperature-sensitive operations.
Heat Extremes
Temperatures that exceed safe working limits or prevent material curing, where conditions fall outside the historical norm for the season and location.
Snow and Ice
Snowfall or ice accumulation that exceeds seasonal norms, causing access restrictions, site shutdowns, or structural loading concerns on temporary works.
Poor Visibility Conditions
Fog, heavy rain, or other conditions reducing visibility below safe working thresholds, where the frequency or duration exceeds historical patterns.
How WeatherWise Supports ICC Claims
From automated daily recording to objective evidence of weather abnormality.
Daily Recording
Automated weather data capture at your site coordinates every day from project start. No manual input, no gaps in the record.
Historical Baseline
45+ years of ERA-5 data establishes what is normal for your site location, providing the benchmark against which actual conditions are compared.
Abnormality Analysis
Statistical analysis quantifying how far actual conditions departed from normal, providing objective evidence of weather abnormality.
Impact Analysis
Links weather events to affected activities, demonstrating how adverse conditions impacted the works and caused delay or disruption.
Evidence Requirements for ICC Weather Claims
The key evidence elements needed to support an ICC adverse weather claim.
Proof of Abnormal Conditions
Objective data demonstrating that weather was abnormal for the time and location. WeatherWise provides the statistical comparison against decades of historical data.
Historical Context
Baseline data showing what weather conditions are normal for the site location and time of year. WeatherWise uses 45+ years of ERA-5 data to establish this context.
Impact on Works
Evidence that adverse weather actually affected the works and caused delay. WeatherWise links weather events to activity-specific thresholds and programme impact.
Contemporaneous Records
Weather records captured at the time the conditions occurred. WeatherWise records automatically every day, creating an unbroken contemporaneous evidence trail.
Site-Specific Data
Weather data specific to your project location, not from a distant weather station. WeatherWise provides data at your exact site coordinates for maximum relevance.
Evidence Package Generation
Professional PDF reports combining daily records, historical comparison, abnormality analysis, and impact assessment in a single auditable document.
Frequently Asked Questions
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Start Building Your ICC Evidence Trail Today
No card required. Automated weather recording and historical comparison starts the moment you create your project.