3.1 New IT systems should be implemented using a modular, incremental approach4. This should involve a pilot stage to monitor usage of the system over a limited period of time and a phased roll-out to enable the lessons learnt from early implementations to be incorporated into later ones. PITO specified just such an incremental approach at the outset for Airwave, following the project definition study phase. The Airwave project plan includes thorough testing and validation processes at each stage and requires a series of milestones to be accomplished, first in a pilot programme and then in a phased roll-out.
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4 Review of Major Government IT Projects – Successful IT: Modernising Government in Action. Cabinet Office May 2000