Check the company's fire evacuation plan, see if they're up to date, and check if there's any need for alterations. If the company doesn't have a detailed evacuation plan that covers the escape routes, nearest exits, primary roles, and responsibilities for chosen employees, talk to your manager to ensure your safety and your co-workers' as well.
Do you want to know how drills can take place? Watch this video to get familiar with building and office evacuation training. https://www.youtube.com/watch?v=UuTowptYlrM