Usually, a regular safety harness's average life span is around 5-years. It depends on the construction of the harness itself – a few are indeed affirmed for up to ten years. Also, it relies on the capabilities of the person pieces of hardware and the producer's proposals.
Whereas the law doesn't grant any concrete and self-assertive time limits on when to alter gear. The Work at Height Regulations 2005 requires that any hardware uncovered to conditions that might cause weakening (a category that exceptionally much incorporates security saddles and lanyards). Managers need to review them at standard interims and promptly after any occasions that might have put them beneath specific physical push.