The 2021 Green Book is a substantial upgrade. While still a "short form," the General Conditions expanded from 10 to 27 pages, not including the additional diagrams, model forms, and guidance. Here are the key enhancements:
Procedures for change orders (variations) are simplified, allowing for rapid decision-making while ensuring costs are managed. 5. Extension of Time (EOT)
Unofficial PDFs often contain scanning errors, missing pages, or outdated text, which can lead to catastrophic legal misunderstandings during a dispute.
Disclaimer: This article is for informational purposes only and does not constitute legal advice. Always consult a qualified legal professional regarding construction contracts.
The Green Book is ideal for projects where the Employer wishes to minimize administrative overhead and where the complexity level is low to moderate. For larger, more complex projects with significant design responsibility, the Red or Yellow Books are more appropriate.
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It follows the familiar FIDIC philosophy of providing a fair balance of risk between the Employer and the Contractor. Unlike its longer counterparts, the Green Book is concise, reducing legal overhead and making it accessible for smaller organizations that may not have large legal departments.
Fewer procedural steps mean faster decision-making on site.
| Feature | Green Book | Red Book (Construction) | Yellow Book (Plant & Design) | Silver Book (EPC/Turnkey) | |---------|------------|------------------------|------------------------------|----------------------------| | Complexity | Low | High | High | Very high | | Design by Contractor | None (unless stated) | Partly (if specified) | Full | Full | | Engineer role | No (Rep) | Yes (impartial) | Yes | No (Employer’s Rep) | | DAB | No | Yes | Yes | Yes | | Unforeseeable physical conditions | No risk transfer | Contractor entitled to EOT+cost | Same as Red | No | | Suitable for | Small/simple works | Medium/large civil & building | Design-build projects | Large turnkey, high risk to Contractor |
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