Between Ceramic Shop and Dine-In Restaurant/Restroom, what rating is required if not sprinklered?

• A. 0 HOUR
• B. 1 HOUR
• C. 2 HOUR
• D. 3 HOUR

Answer: (B)

The main idea here is how fire resistance is used to separate different occupancies and what the absence of an automatic sprinkler system means for that separation. When a mercantile space (like a ceramic shop) is adjacent to an assembly space (such as a dine‑in restaurant and restroom), the wall or partition between them must resist fire for a certain period to slow fire spread and protect occupants trying to evacuate. If the building is not sprinklered, the code typically requires a modest level of protection, which in this case is a 1-hour fire‑resistance rating for that separation. This duration helps contain a fire long enough for people to exit and for responders to act. Choosing a 0-hour rating would imply no rated separation, which is not allowed between different occupancies, while ratings of 2 or 3 hours are more stringent than generally required for this particular separation without sprinklers.