NEC4 - Option A - clause 60.1(21) Additional Compensation Events.
Clients use additional compensation events to deal with specific risks or circumstances relevant to the nature of the contract for example they could be used to allocate the risk of flooding, asbestos or even COVID-19 if these things were not clearly allocated elsewhere in the contract. They should be drafted carefully and whoever does it should make sure they understand what they are doing, why they are doing it and ensure they are consistent with other clauses in the contract.
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