NEC3 Project Manager role-play
For readers still on NEC3. It is the same method with different numbers, and some of the consequences catch out anyone used to NEC4.
If you work across both editions, NEC3 vs NEC4 is a helpful summary of what moves.
What next?
Try another seat, test the rules with a quiz, or take a letter template for the next time it happens for real.
Fictional contract, for training. Not legal advice. Your own contract decides.