Fire Department Connections are required to be a minimum of 18 inches and a maximum of _____ inches off the finished grade.

Fire Department Connections (FD Connections) must be installed within specific height limits to ensure accessibility and functionality for firefighting operations. The minimum height requirement of 18 inches prevents the connection from being too low to the ground, which could impede access, particularly in situations where a fire truck or fire personnel need to quickly connect hoses.

The maximum height requirement for these connections is 48 inches off the finished grade. This limit is established to ensure that firefighters can easily reach the connections without the need for ladders or additional equipment. High placements could delay response times during emergencies, which is why such standards are crucial for the safety and effectiveness of fire suppression efforts.

The selection of 48 inches as the maximum height strikes a balance between visibility, accessibility, and the operational needs of fire departments, while still adhering to local codes and regulations. Thus, the choice of 48 inches is aligned with nationally recognized standards and best practices in fire protection.