For buildings under construction, materials must not be stored within how many feet of an exterior wall?

For buildings under construction, materials must not be stored within 1.5 feet of an exterior wall to ensure safety and compliance with building regulations. This requirement is in place to reduce the risk of fire hazards and to allow for proper access for emergency services. Storing materials too close to exterior walls can create a dangerous situation, particularly in the event of a fire, as it may impede fire-fighting efforts or increase the fire load on the structure. Maintaining this distance helps ensure that pathways remain clear and that the structural integrity of the building is not compromised by the accumulation of materials against the walls. This practice aligns with safety standards typically found in building codes, which prioritize the protection of workers, the public, and property.