What is the setback distance for the outer edge of a deck requiring anti-slide devices?

The correct setback distance for the outer edge of a deck requiring anti-slide devices is 12 inches. This specification is critical because it ensures there is sufficient distance to effectively mitigate the risk of sliding or movement of the deck in case of unexpected forces, such as those that could occur during elevator operation or maintenance.

The implementation of a 12-inch setback is based on safety standards that are designed to protect both the structural integrity of the elevator system and the safety of individuals using the elevator. The anti-slide devices function to secure the deck and prevent any potential lateral movement, which could create hazardous situations.

The other distances, although they may seem practical, do not meet the established safety guidelines for ensuring maximum effectiveness of the anti-slide systems. They could potentially increase the risk of accidents or insufficient protection, thus reinforcing the importance of adhering to the specified distance.