Anyone operating plant and machinery should report to the employer if they are on any sort of medication which could impair their performance. Most organisations will have a Drugs and Alcohol policy which stipulates employees must not arrive for work unfit due to drugs or alcohol and if in doubt, they shall report the medication so it can be checked prior to starting work. 

Hi Chris,

You should mention to your manager that you are not happy with the thought of someone operating a MEWP who has experienced such medical issues as chest pain (granted chest pain isn't always heart related, but a fit note from his GP may help you to determine if he's fit to work; especially if his GP has been infored that the person operates MEWPS).

The problem with a back to work interview is some employees may not give honest answers when he knows that his answer may affect his position/role.

Additionally, ask your manager how he'd feel if the Operative did in fact take ill whilst up in a MEWP one day with a heart attack, for example, and didn't get rescued quick enough. Remind him that he has the duty to ensure the health, safety and wellbeing of all his employees whilst at work and I personally don't think this would be a hard issue to solve. Just try and get a fit note from his GP or remove the requirement for this Operative to use MEWPS until you are certain that there are no medical conditions or medication involved that would impair the Operative's ability to operate machinery safely. Also remind him that this may not just be for the Operatives' own safety, the MEWP may collide with other buildings/equipment if something went wrong.

Hope this helps.

Edited by user 16 February 2017 21:54:14(UTC)  | Reason: .