English to Chinese Bus/Financial Investment / Securities property assessment

Hi!

How should the phrase in question be translated into Chinese? Phase is used again in another sentence as phasing. Does it have the same meaning? The context is as follows. Thank you in advance!
---
A closure or relocation strategy must be considered where adverse findings dictate. This can be done on a phased basis in line with business need and available budget. Where phasing is considered appropriate, various actions must be carried out for staff in buildings pending vacation.