REDUCING THE RISKS OF NONSTRUCTURAL EARTHQUAKE DAMAGE (FEMA E-74) Failure of nonstructural components which includes all those components that are not part of the structural system, such as architectural, mechanical, electrical, and plumbing systems, as well as furniture, fixtures, equipment, and contents�have accounted for the majority of earthquake damage in several recent U.S. earthquakes. In many cases, businesses, schools, hospitals, and other organization had to spend excessive time and dollars to clean-up and repair due to nonstructural failures: therefore, impeding continued operations and rapid recovery. Nonstructural components failures can impede safe evaluation, delay rescue, and cause additional hazards, such as fire following and earthquake. The Seismic Alarm and Spill Control protects mechanical, electrical, and plumbing by shutting down water and other liquids with valves in an earthquake.