When is firefighter service required for elevators?

Firefighter service is an important feature for elevators in buildings to enhance safety during emergencies, particularly regarding fire situations. The requirement for firefighter service is based on the elevator's travel distance and the date of installation, which is crucial for complying with safety regulations.

When considering elevators that were installed before July 24, 1987, the requirement is that those with a travel distance of 70 feet or more must have firefighter service. This service allows firefighters to take control of the elevator system during an emergency, ensuring that they can safely transport individuals and equipment without interference or risks associated with normal operation.

Elevators installed after the specified date have different regulations that may vary, illustrating that the laws have evolved to enhance safety features over time. However, the specific regulation that dictates the necessity of firefighter service for older installations directly relates to their travel height, making the answer centered on the requirement for those specific conditions.

This focus on the combination of installation date and travel distance is how the correct answer is determined, ensuring compliance with the relevant fire safety protocols.