Scope: Practical commentary on NEC4 ECC. Check the edition, selected options, Contract Data and amendments used on your project.
Use the register alongside the contract
Keep local observations separate from the contractual weather measurement. Record the measurement type, units, location and data source. The contractual test is within a calendar month; a daily rainfall value does not by itself demonstrate that the one-in-ten-year threshold has been met.
Identify the affected activity, resources, hours, mitigation and programme reference. A stopped shift is evidence of disruption to work, not automatically a day of entitlement to an extension.
Keep the fields connected
Give each entry a stable reference. Include the date, description, responsible person, supporting record links, contractual communication reference, status and next action. Keep a history of changes instead of overwriting the original account.
Check that dates, amounts and status fields have clear meanings. Separate a forecast from an agreed figure and a site observation from a contractual decision.
Existing Excel template
Download the existing Excel template.
Before using it on a live project, check its fields, formulas and date conventions against your contract. Do not treat a calculated alert, comparison or total as a decision on contractual entitlement. The template supports record keeping; the team remains responsible for notices, assessment and review.
Review the log with the commercial team
Check new entries, approaching deadlines, missing evidence and unresolved responses. Assign each next step to a named person. Retain the formal notice or decision separately and link it to the register.
Sources and further reading
- NEC: Weather risk
- NEC: Purposes of notifications
- GMH Planning/CECA: Assessing weather delays (practical commentary; check the applicable contract and amendments).
Gather’s Record Management System helps teams organise the site evidence used in commercial reviews. See how Gather works.
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