Final answer:
An automatic sprinkler system is typically required in buildings containing a Group S-1 occupancy if the fire area exceeds 12,000 square feet, according to the International Building Code (IBC), though local variations may apply.
Step-by-step explanation:
The question pertains to the requirements for installing an automatic sprinkler system in buildings that contain a Group S-1 occupancy, which is a designation for storage facilities that handle flammable materials. The specific area threshold that mandates the installation of a sprinkler system can vary depending on jurisdiction and is detailed in local building codes and the International Building Code (IBC). However, as a general reference, IBC 2018 specifies that an automatic sprinkler system is required throughout a building with a Group S-1 occupancy if the fire area exceeds 12,000 square feet. It is crucial for safety and compliance to adhere to the most current building codes or consult with a local fire marshal or building official for the accurate requirements.