903.2.11.1.3 Below-grade stories.
BC § 903.2.11.1.3
Where any portion of a below-grade story is located more than 75 feet (22 860 mm) from openings required by Section 903.2.11.1, or where walls, partitions, or other obstructions are installed that restrict the application of water from hose streams, the below-grade story shall be equipped throughout with an approved automatic sprinkler system.













