These include water sprinklers, fire doors, freezers, alarms, smoke detectors, suppression systems, and emergency generators.
Older libraries are usually altered by closing up air flow openings and installing fire doors, alarms and sprinklers.
Before the Congressional Accountability Act of 1995, the Library of Congress and all Capitol Hill buildings were exempt from safety regulations.
[3] Balancing historical preservation and contemporary safety standards proves to be a difficult task for "even a 12-year rehabilitation of LC completed in 1997 did not address many fire hazards".
Thus, in 1962 the National Fire Protection Association began developing the first safety standards specifically applicable to electronic computer systems.
FM Global Data Sheet 5–32 is another standard providing guidelines to protect against not only fire, but also water, power loss, etc.