FIDIC Green Book, explained.
The Short Form of Contract. FIDIC's lighter contractual machinery for smaller or straightforward projects. Where it fits — and where it does not.
The FIDIC Green Book — formally the Short Form of Contract — is a simplified FIDIC contract designed for smaller-value, straightforward or short-duration projects. It uses a lighter contractual machinery than the Rainbow Suite Books and is intended to be administered without a full-time Engineer team.
Suitable project types
- Smaller construction works with a limited scope
- Straightforward projects with low-to-moderate risk profile
- Repetitive or standardised works
- Short-duration works where the full FIDIC administrative framework would be disproportionate
Key features
- Simplified contract structure with fewer sub-clauses
- Streamlined payment mechanism
- Lighter dispute-resolution machinery
- Reduced administrative overhead compared with the Rainbow Suite
- Suitable for either an Employer-designed or Contractor-designed basis, depending on how the Particular Conditions are structured
Responsibilities, payment, variations, delays
The Contractor is responsible for constructing the works as described, using the level of skill expected of a competent Contractor. Payment is made against agreed milestones or measured progress, depending on how the contract is set up. Variations and delays are addressed by a simplified notice-and-valuation mechanism — less prescriptive than the Rainbow Suite but structured enough to record the essentials.
Comparison with the other FIDIC Books
The Green Book strips the FIDIC machinery down to its practical core. That is a strength on the right project and a liability on the wrong one. Using the Green Book on a project that really deserves a Red or Yellow Book — because of value, complexity, or risk profile — will typically leave both parties without the contractual mechanisms they need when something goes wrong.
For a side-by-side comparison across all four Books, see the course page: Red vs Yellow vs Silver vs Green.
The Green Book is designed for smaller, straightforward or short-duration works — but there is no universal cut-off. Suitability is driven by value, complexity, duration and risk profile, and often by the sophistication of the parties. A borderline project will usually be better served by the Red or Yellow Book.
The GSTPM FIDIC Contract Management course covers the Green Book alongside the three Rainbow Suite Books, in context of a full project controls curriculum.