Guidance mentions "loan equipment". Presumably NHS Hospital Trusts endeavour to follow such guideines.
But "24 month service schedule"? I would be interested to hear how you convinced management (safety committee, whomever) to agree to that one.
1) Risk-Based PM
3) Some other approach
* "Alternate (or Alternative) Equipment Maintenance" - which has apparently become popular in the USA, but (from what I have seen) is hardly distinguishable from Risk-Based PM. Both permit deviations from manufacturers' laid down procedures - as well as lengthening of inspection intervals - for many (most) items of equipment, as long as certain (pre-established, agreed) criteria are met, and documentation is competed and authorized.