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Construction Intelligence

Practical articles for the quantity surveyor, project manager, and contracts manager. FIDIC, NEC4, JCT, and AIA — programme control, payment applications, notices, and final account practice across project types.

Contracts8 May 2026·6 min read

The 28-day rule that costs contractors millions

FIDIC Sub-Clause 20.1 is one of the most unforgiving provisions in any standard form contract. Miss the 28-day notice window and your right to claim is extinguished — permanently. Here is what you need to know.

By Taskabeez Editorial

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We publish practical construction contracts content regularly. Articles cover FIDIC, NEC4, JCT, claims management, interim payments, final accounts, and QS practice.

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