Work out safety officer requirement instantly with clear inputs, formula shown and shareable results.
Statutory safety officer requirements are usually expressed as a headcount threshold, commonly one for every five hundred workers in a factory or construction project. In practice the binding constraint is often physical coverage: separate sites and multiple shifts each need someone present, which can require more officers than headcount alone implies.
Officer count
Required = max(ceil(workers / threshold), sites x shifts requiring cover)
Preliminary estimate only. Statutory safety officer thresholds and qualifications vary by jurisdiction and industry and must be confirmed with the regulator.
Required = max(ceil(workers / threshold), sites x shifts requiring cover). Statutory safety officer requirements are usually expressed as a headcount threshold, commonly one for every five hundred workers in a factory or construction project.
No. Legal duties remain with the employer and with line management. The safety officer advises and monitors; accountability cannot be delegated to them.
This calculator takes 4 inputs: Workers employed, Workers per safety officer, Separate sites, Shifts requiring cover. The pre-filled defaults are a realistic worked example — replace them with your own site or project figures.