What is the minimum height above grade for a fire hydrant?

The minimum height above grade for a fire hydrant is established to ensure that the hydrant is easily accessible and visible for firefighting operations. A height of 1 foot 6 inches allows firefighters to connect hoses and operate the hydrant without obstruction from the ground, especially in conditions where snow or debris may accumulate.

This height is consistent with safety standards that facilitate quick access to the hydrant in emergencies. If the hydrant were set lower, it could pose challenges for firefighters, particularly in cases of limited visibility or in adverse weather conditions. Therefore, a height of 1 foot 6 inches is the minimum requirement to ensure effective functioning while maintaining safety and accessibility.