Chapter 3 — PROVISIONS FOR ALL COMPLIANCE METHODS

Section 316 — [SFM]—EXISTING GROUP L OCCUPANCIES

2025 California Existing Building Code (Title 24, Part 10) · 2025 edition · ingested 2026-07-07 · California

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316.1 Repairs general.

316.1 Repairs general. Additions, alterations or repairs may be made to any building or structure without requiring the existing building or structure to comply with all the requirements of this code section, provided the addition, alteration or repair conforms to the requirements of this section.

316.2 Unsafe condition.

316.2 Unsafe condition. Additions, repairs or alterations shall not be made to an existing building or structure that will cause the existing building or structure to be in violation of any of the provisions of this code, nor shall such additions or alterations cause the existing building or structure to become unsafe, or to be in violation of any of the provisions of this code. An unsafe condition shall be deemed to have been created if an addition or alteration will cause the existing building or structure to become structurally unsafe or overloaded; will not provide adequate egress in…

316.3 Changes in use or occupancy.

316.3 Changes in use or occupancy. Any buildings that have alternations or additions, which involves a change in use or occupancy, shall not exceed the height, number of stories and area permitted for new buildings.

316.4 Buildings not in compliance with code.

316.4 Buildings not in compliance with code. Additions or alterations shall not be made to an existing building or structure when such existing building or structure is not in full compliance with the provisions of this code except when such addition or alteration will result in the existing building or structure being no more hazardous, based on life safety, fire safety and sanitation, than before such additions or alterations are undertaken.

316.5 Maintenance of structural and fire resistive integrity.

316.5 Maintenance of structural and fire resistive integrity. Alterations or repairs to an existing building or structure that are nonstructural and do not adversely affect any structural member of any part of the building or structure having required fire resistance may be made with the same materials of which the building or structure is constructed. The installation or replacement of glass shall be as required for new installations.

316.6 Continuation of existing use.

316.6 Continuation of existing use. Buildings in existence at the time of the adoption of this code may have their existing use or occupancy continued if such use or occupancy was legal at the time of the adoption of this code, provided such continued use is not dangerous to life.

316.7 Maximum allowable quantities.

316.7 Maximum allowable quantities. Laboratory suites approved prior to January 1, 2008 shall not exceed the maximum allowable quantities listed in Tables 316.1 and 316.2. 3-14 2025 CALIFORNIA EXISTING BUILDING CODE on Jul 18, 2025 11:14 AM (CDT) THEREUNDER. PROVISIONS FOR ALL COMPLIANCE METHODS TABLE 316.7(1)—EXEMPT AMOUNTS OF HAZARDOUS MATERIALS, LIQUIDS AND CHEMICALS<brPRESENTING A PHYSICAL HAZARD BASIC QUANTITIES PER LABORATORY SUITE1<brWhen two units are given, values within parentheses are in cubic feet (cu. ft) or pounds (lb)Col2Col3Col4Col5Col6Col7Col8Col9Col10Col11…