Other serviceability limit states that may be reached include Fire resistance-this must be considered to flame penetration and heat transfer Excessive vibration-causing discomfort or alarm as well as damage. Fatigue-this may be considered if cyclic loading is likely. Special circumstances-any special requirement, such as earthquake,explosion (nuclear ~thermal )impact,etcOther serviceability limit states that may be reached include Fire resistance – this must be considered to flame penetration and heat transfer Excessive vibration – causing discomfort or alarm as well as damage. Fatigue – this may be considered if cyclic loading is likely. Special circumstances – any special requirement, such as earthquake, explosion (nuclear ~, thermal ~), impact, etc