The term 'soft landing' exists in some parts of the construction industry and reflects the need for a smooth transition from the design and construction phase to the operational phase of a built asset. It has been embraced in the Government Soft Landing Policy.4
It is recommended that a 6-phased, soft landing approach ought to be applied to PFI expiry, as follows:
Handback - Soft Landing

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4 GovernmentSoftLandingsSectionl Introduction.pdf (cam.ac.uk)