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The NZ Transport Agency Waka Kotahi Business Case Approach (BCA) is designed around the five-case model, following international best practice. The five-case model ensures the business case has asked – and addressed – the right questions.
Introduces the five-case model and how to use it to develop your business case. Outlines the purpose of each of the five cases and provides guidance on how to manage risk and uncertainty in the business case.
In the economic case you will use optioneering to help find the best value-for-money approach to addressing the issues identified in the strategic case.
The commercial case should demonstrate that the preferred option is able to be procured in a viable way both for the public sector and for the service providers.