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Section 2— The Contractor's Main Responsibilities

Clause 21.1

Design Liability

Purpose

The Contractor's design liability is fitness for purpose unless the Works Information states otherwise.

Practical Application

This is a key risk allocation. Contractors should consider design review periods and insurance requirements.

Common Pitfalls

Professional indemnity policies often exclude fitness for purpose. Review insurance before accepting design responsibility.

Related Clauses

Clause 20.2

⚠️ This commentary is for reference only. Always refer to the full NEC4 contract text and seek professional legal or contractual advice for your specific project.