FIDIC 2017 · FIDIC 1.1.85
Unforeseeable
Beyond what an experienced contractor could reasonably have foreseen by the Base Date. Unforeseeable physical conditions can earn time and Cost.
“not reasonably foreseeable by an experienced contractor by the Base Date” (FIDIC 1.1.85)
On the Aldermere project
The Red Book tests the buried concrete at the Base Date, 13 October 2025. The ECC uses the Contract Date.
Where you meet it
- Module 5: Compensation events and ClaimsNEC4 vs FIDIC 2017
- Module 11: Risk, liability and insuranceNEC4 vs FIDIC 2017