The existing multi-tiered disputes resolution procedures do not promote early and sensible resolution of disagreement, and the termination procedures are out of step with commercial reality.
Musings of a busy mind
The treatment of effectively all claim events as variations, and valuing such events at cost, overhead and profit, may be easy to apply, but it is expensive and un-even in its application.
NZS3910 does not contain a procedure for risk registers. It should.