"UPS Policy Statement We prohibit the use or possession of alcoholic beverages or controlled/illicit substances while an employee is on duty. Employees are not permitted to go on duty, or to remain on duty, if they possess or are using any of the following: • Any alcoholic beverage or substance, regardless of its alcoholic content • Any controlled substance or illegal drug or any derivative thereof • Any other substance that could impair their ability to perform a job safely and competently This rule governs employees from the time they report to work until they leave UPSCO premises at the end of the working day."
I'm sure people do it anyway. I don't. They pay us enough that if we need a tipple we can pay the going rate, even in Dubai. And in today's environment that would be an awkward conversation to have with an ACP.