Washington Headquarters Services Building Code 2024 Edition  

The purpose of this code is to establish the minimum requirements to safeguard the public health, safety, physical security and general welfare through structural strength, means of egress facilities, stability, sanitation, adequate lighting and ventilation, energy conservation, and safety to life and property from fire and other hazards attributed to the built environment and to provide safety to fire fighters and emergency responders during emergency operations. No construction, alteration, or repair shall reduce the level of fire protection or life safety provided by existing conditions unless approved by the AHJ.