You can also do that if you are rushing to get a plan created. This will make your job a lot lighter because with a template, you would just be filling out a form. No need to think that hard and you can also make sure that its content is complete. Since the person who made the plan previously have revised it several times, it is sure to be accurate.
You might pay a small amount for this but it will be worth it since you can use the very same template for other businesses. Some websites also offer a package containing several other templates aside from safety plan templates to cater to your business needs.