Final answer:
Authorized personnel are responsible for designating access to the storeroom, with the facility manager having final authority.
Step-by-step explanation:
The person who designates in writing which personnel can have access to the storeroom is Authorized personnel. They are responsible for determining who is authorized to access the storeroom and granting them permission. This can be done through a written authorization process where employees are assigned specific access privileges based on their job roles and responsibilities.
For example, in a restaurant, the Head chef may have access to the storeroom to retrieve ingredients for cooking. Similarly, Security personnel may need access to ensure the storeroom is secure and monitor any unauthorized entry. However, the final authority typically lies with the Facility manager who oversees the overall management of the facility and has the power to designate access to different areas.