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This standard specifies the basic principles for fire protection of buildings and constructions, architectural site layout, layout and fire separation, fire resistance of building structures, architectural construction and decoration, safety evacuation and refuge facilities, fire-fighting facilities, heating, ventilation and air conditioning systems, electrical systems, building construction, and use and maintenance. It is applicable to the fire protection in the planning, design, construction, use, and maintenance of new, renovated, and expanded buildings, as well as fire protection in the renovation, use, and maintenance of existing buildings. In cases where the provisions of existing engineering construction standards are not comply with this standard, the provisions of this standard shall prevail.