FIDIC 2017 · FIDIC 1.1.4
Base Date
The day 28 days before the tender deadline. The Red Book judges what was foreseeable at this date, not at contract signature.
“the date 28 days before the latest date for submission of the Tender” (FIDIC 1.1.4)
On the Aldermere project
Tenders were due on 10 November 2025, so the Base Date is 13 October 2025.
Where you meet it
- Module 5: Compensation events and ClaimsNEC4 vs FIDIC 2017