Construction weather resources

Practical guides, articles and references for contractors managing weather risk — from contractual notices to EOT evidence.

Articles & Guides

Construction weather risk — explained

Proving an adverse weather extension of time claim

Weather is one of the most provable delay events — external, measurable, date-specific and testable against the contract. This guide explains the four elements every successful weather EOT claim must address, the contractual notice requirements that protect entitlement, and how to build evidence from day one.

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Coming Soon

More guides are being published. Topics include:

  • Trade-specific weather thresholds and standards
  • How to issue a contractual early warning notice
  • Weather benchmarking — 90th percentile explained
  • Tender planning allowances by location and trade
  • Critical path impact and weather delay analysis
  • NZS 3910, AS 4000, NEC4, JCT — weather clauses compared

See the tools in action

Construction Weather is free to use during the open beta. Start with any project location — no credit card required.

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