Interactive Bridge Toolkit
Step 1: Cl 20.1 (1st para)
Cl 20.1 (1st para) states that if the Contractor considers himself to be entitled to any additonal payment or any extension of Time for Completion under any Clause of the Contract, then the Contractor shall give notice to the Engineer, describing the event or circumstance giving rise to the Claim within 28 days after the Contractor becomes aware, or should have become aware, of the event or circumstance.