It is absolutely important to have a safety plan if your business is in the field of construction. Everyday, your employees deal with danger and it is not easy for them to risk their life almost every hour just to earn enough dollars to provide for their family. What you need to do as their employer is come up with a plan that would prevent accidents and all other safety issues that could arise during work.
Some countries require a definite plan before the business gets approved but most do not feel the need for this. However, it is still your responsibility to protect your employees as much as you can and especially during work hours. A lot of business people find it difficult to come up with their own plan so they look for plan templates online.