What is the maximum distance between sidewall sprinkler heads in a moderate hazard occupancy?

In moderate hazard occupancies, the proper spacing between sidewall sprinkler heads is crucial for effective fire suppression. The maximum allowable distance is indeed 2.25 meters (or approximately 7.5 feet). This distance ensures that the sprinkler system can adequately cover the area to suppress a fire effectively before it has a chance to spread.

In moderate hazard situations, where combustible materials are present, it is essential that the sprinkler heads are positioned closely enough to ensure that any potential fires can be quickly detected and extinguished by the water discharge. A greater distance between the heads would compromise the system's effectiveness and could result in fire spread beyond the intended coverage area. Thus, using a spacing of 2.25 meters aligns with safety standards designed to protect life and property in these types of occupancies.