Capítulo 3 — DISPOSICIONES PARA TODOS LOS MÉTODOS DE CUMPLIMIENTO
Sección 316 — [SFM]—OCUPACIONES EXISTENTES GRUPO L
2025 California Existing Building Code (Title 24, Part 10) · edición 2025 · actualizado 2026-07-07 · California
_**316.1 Reparaciones generales.**_ _Se podrán realizar adiciones, alteraciones o… ¶
_**316.2 Condición insegura.**_ _No se permitirán adiciones, reparaciones o… ¶
edificio o estructura existente incumpla cualquiera de las disposiciones de este código, ni que dichas adiciones o alteraciones causen que el edificio o estructura existente se vuelva inseguro o incumpla cualquiera de las disposiciones de este código. Se considerará que se ha creado una condición insegura si una adición o alteración causa que el edificio o estructura existente se vuelva estructuralmente inseguro o sobrecargado; no proporcione medios de evacuación adecuados conforme a las disposiciones de este código o obstruya las salidas existentes; cree un riesgo de incendio; reduzca la resistencia al fuego requerida o cree, de cualquier otra manera, condiciones peligrosas para la vida humana.
_**316.3 Cambios en el uso o la ocupación.**_ _Cualquier edificio que tenga… ¶
no deberá exceder la altura, el número de pisos ni el área permitidos para edificios nuevos.
_**316.4 Edificios que no cumplen con el código.**_ _No se permitirán adiciones o… ¶
estructura o edificio existente no cumpla completamente con las disposiciones de este código, excepto cuando dicha adición o alteración resulte en que el edificio o estructura existente no sea más peligroso, basándose en la seguridad de vida, seguridad contra incendios y sanidad, que antes de que se realicen dichas adiciones o alteraciones.
_**316.5 Mantenimiento de la integridad estructural y de resistencia al fuego.**_ _Las… ¶
no estructurales y que no afecten negativamente a ningún elemento estructural ni a ninguna parte del edificio o estructura que requiera resistencia al fuego pueden realizarse con los mismos materiales con los que está construido el edificio o estructura. La instalación o reemplazo de vidrio deberá realizarse según lo requerido para instalaciones nuevas.
_**316.6 Continuación del uso existente.**_ _Los edificios existentes en el momento de… ¶
ocupación existente si dicho uso u ocupación era legal en el momento de la adopción de este código, siempre que dicho uso continuado no sea peligroso para la vida.
316.7 Cantidades máximas permitidas. ¶
316.7 Cantidades máximas permitidas. Las suites de laboratorio aprobadas antes del 1 de enero de 2008 no deberán exceder las cantidades máximas permitidas listadas en las Tablas 316.1 y 316.2.
3-14 CÓDIGO DE EDIFICIOS EXISTENTES DE CALIFORNIA 2025
el 18 de julio de 2025 11:14 AM (CDT) BAJO ESTO.
DISPOSICIONES PARA TODOS LOS MÉTODOS DE CUMPLIMIENTO
| TABLE 316.7(1)—EXEMPT AMOUNTS OF HAZARDOUS MATERIALS, LIQUIDS AND CHEMICALS PRESENTING A PHYSICAL HAZARD BASIC QUANTITIES PER LABORATORY SUITE1 When two units are given, values within parentheses are in cubic feet (cu. ft) or pounds (lb) |
Col2 | Col3 | Col4 | Col5 | Col6 | Col7 | Col8 | Col9 | Col10 | Col11 |
|---|---|---|---|---|---|---|---|---|---|---|
| CONDITION | CONDITION | STORAGE | STORAGE | STORAGE | USE CLOSED SYSTEMS | USE CLOSED SYSTEMS | USE CLOSED SYSTEMS | USE OPEN SYSTEMS | USE OPEN SYSTEMS | USE OPEN SYSTEMS |
| MATERIAL | CLASS | Solid Pounds (cu. ft) |
Liquid Gallons (lb) |
Gas (cu. ft) |
Solid Pounds (cu. ft) |
Liquid Gallons (lb) |
Gas (cu. ft) |
Solid Pounds (cu. ft) |
Liquid Gallons (lb) |
Gas (cu. ft) |
| 1.1 Combustible liquid | II | — | 1202 | — | — | 120 | — | 30 | — | |
| 1.1 Combustible liquid | II-A | — | 3302 | — | — | 330 | — | 80 | — | |
| 1.1 Combustible liquid | III-B | — | 13,2002 | — | — | 13,200 | — | 3,300 | — | |
| 1.2 Combustible dust lbs./1000 cu. ft. | 1 | — | — | 1 | — | — | 1 | — | — | |
| 1.3 Combustible fiber _ (loose) (baled)_ |
(100) (1,000) |
— — |
— — |
(100) (1,000) |
— — |
— — |
(20) (200) |
— — |
— — |
|
| 1.4 Cryogenic, flammable or oxidizing | 45 | — | 45 | — | 10 | — | ||||
| 2.1 Explosives | 12 | (1)2 | — | 1/4 | (1/4) | — | 1/4 | (1/4) | — | |
| 3.1 Flammable solid | 1252 | — | — | 25 | — | — | 25 | — | — | |
| 3.2 Flammable gas _ (gaseous) (liquefied)_ |
— — |
— 152 |
7502 — |
— — |
— 152 |
7502 — |
— — |
— — |
— — |
|
| 3.3 Flammable liquid Combination I-A, I-B, I-C |
I-A | — | 302 | — | — | 30 | — | — | 10 | — |
| 3.3 Flammable liquid Combination I-A, I-B, I-C |
I-B | — | 602 | — | — | 60 | — | — | 15 | — |
| 3.3 Flammable liquid Combination I-A, I-B, I-C |
I-C | — | 902 | — | — | 90 | — | — | 20 | — |
| 3.3 Flammable liquid Combination I-A, I-B, I-C |
— | 1202 | — | — | 120 | — | — | 30 | — | |
| 4.1 Organic peroxide, unclassified detonatable |
12 | (1)2 | — | 1/4 | (1/4) | — | 1/4 | (1/4) | — | |
| 4.2 Organic peroxide | I | 52 | (5)2 | — | (1) | (1) | — | 1 | 1 | — |
| 4.2 Organic peroxide | II | 502 | (50)2 | — | 50 | (50) | — | 10 | (10) | — |
| 4.2 Organic peroxide | III | 1252 | (125)2 | — | 125 | (125) | — | 25 | (25) | — |
| 4.2 Organic peroxide | IV | 500 | (500) | — | 500 | (500) | — | 100 | (100) | — |
| 4.2 Organic peroxide | V | N.L. | N.L. | — | N.L. | N.L. | — | N.L. | N.L. | — |
| 4.3 Oxidizer | 4 | 12 | (1)2 | — | 1/4 2 |
(1/4) | — | 1/4 | (1/4) | — |
| 4.3 Oxidizer | 3 | 102 | (10)2 | — | 2 | (2) | — | 2 | (2) | — |
| 4.3 Oxidizer | 2 | 2502 | (250)2 | — | 50 | (250) | — | 50 | (50) | — |
| 4.3 Oxidizer | 1 | 1,0002 | (1,000)2 | — | 1,000 | (1,000) | — | 200 | (200) | — |
| 4.4 Oxidizer.Gas _ (gaseous) (liquefied)_ |
— — |
— 152 |
1,5002 — |
— — |
— 152 |
1,5002 — |
— — |
— — |
— — |
|
| 5.1 Pyrophoric | 42 | (4)2 | 502 | 1 | (1) | 102 | 0 | 0 | 0 | |
| 6.1 Unstable (reactive) | 4 | 12 | (1)2 | 102 | 1/4 | (1/4) | 22 | 1/4 | (1/4) | 0 |
| 6.1 Unstable (reactive) | 3 | 52 | (5)2 | 502 | 1 | (1) | 102 | 1 | (1) | 0 |
| 6.1 Unstable (reactive) | 2 | 502 | (50)2 | 2502 | 50 | (50) | 2502 | 10 | (10) | 0 |
| 6.1 Unstable (reactive) | 1 | 1252 | (125)2 | 7502 | 125 | (125) | 7502 | 25 | (25) | 0 |
| 7.1 Water (reactive) | 3 | 52 | (5)2 | — | 5 | (5) | — | 1 | (1) | — |
| 7.1 Water (reactive) | 2 | 502 | (50)2 | — | 50 | (50) | — | 10 | (10) | — |
| 7.1 Water (reactive) | 1 | 1252 | (125)2 | — | 125 | (125)2 | — | 25 | (25) | — |
| 1. A laboratory suite is a space up to 10,000 square feet (929 m2) bounded by not less than a one-hour fire-resistive occupancy separation within which the exempt amounts of hazard- ous materials may be stored, dispensed, handled or used. Up through the third floor and down through the first basement floor, the quantity in this table shall apply. Fourth, fifth and sixth floors and the second and third basement floor level quantity shall be reduced to 75 percent of this table. The seventh through 10th floor and below the third basement floor level quantity shall be reduced to 50 percent of this table. 2. Quantities may be increased 100 percent when stored in approved exhausted gas cabinets, exhausted enclosures or fume hoods. |
1. A laboratory suite is a space up to 10,000 square feet (929 m2) bounded by not less than a one-hour fire-resistive occupancy separation within which the exempt amounts of hazard- ous materials may be stored, dispensed, handled or used. Up through the third floor and down through the first basement floor, the quantity in this table shall apply. Fourth, fifth and sixth floors and the second and third basement floor level quantity shall be reduced to 75 percent of this table. The seventh through 10th floor and below the third basement floor level quantity shall be reduced to 50 percent of this table. 2. Quantities may be increased 100 percent when stored in approved exhausted gas cabinets, exhausted enclosures or fume hoods. |
1. A laboratory suite is a space up to 10,000 square feet (929 m2) bounded by not less than a one-hour fire-resistive occupancy separation within which the exempt amounts of hazard- ous materials may be stored, dispensed, handled or used. Up through the third floor and down through the first basement floor, the quantity in this table shall apply. Fourth, fifth and sixth floors and the second and third basement floor level quantity shall be reduced to 75 percent of this table. The seventh through 10th floor and below the third basement floor level quantity shall be reduced to 50 percent of this table. 2. Quantities may be increased 100 percent when stored in approved exhausted gas cabinets, exhausted enclosures or fume hoods. |
1. A laboratory suite is a space up to 10,000 square feet (929 m2) bounded by not less than a one-hour fire-resistive occupancy separation within which the exempt amounts of hazard- ous materials may be stored, dispensed, handled or used. Up through the third floor and down through the first basement floor, the quantity in this table shall apply. Fourth, fifth and sixth floors and the second and third basement floor level quantity shall be reduced to 75 percent of this table. The seventh through 10th floor and below the third basement floor level quantity shall be reduced to 50 percent of this table. 2. Quantities may be increased 100 percent when stored in approved exhausted gas cabinets, exhausted enclosures or fume hoods. |
1. A laboratory suite is a space up to 10,000 square feet (929 m2) bounded by not less than a one-hour fire-resistive occupancy separation within which the exempt amounts of hazard- ous materials may be stored, dispensed, handled or used. Up through the third floor and down through the first basement floor, the quantity in this table shall apply. Fourth, fifth and sixth floors and the second and third basement floor level quantity shall be reduced to 75 percent of this table. The seventh through 10th floor and below the third basement floor level quantity shall be reduced to 50 percent of this table. 2. Quantities may be increased 100 percent when stored in approved exhausted gas cabinets, exhausted enclosures or fume hoods. |
1. A laboratory suite is a space up to 10,000 square feet (929 m2) bounded by not less than a one-hour fire-resistive occupancy separation within which the exempt amounts of hazard- ous materials may be stored, dispensed, handled or used. Up through the third floor and down through the first basement floor, the quantity in this table shall apply. Fourth, fifth and sixth floors and the second and third basement floor level quantity shall be reduced to 75 percent of this table. The seventh through 10th floor and below the third basement floor level quantity shall be reduced to 50 percent of this table. 2. Quantities may be increased 100 percent when stored in approved exhausted gas cabinets, exhausted enclosures or fume hoods. |
1. A laboratory suite is a space up to 10,000 square feet (929 m2) bounded by not less than a one-hour fire-resistive occupancy separation within which the exempt amounts of hazard- ous materials may be stored, dispensed, handled or used. Up through the third floor and down through the first basement floor, the quantity in this table shall apply. Fourth, fifth and sixth floors and the second and third basement floor level quantity shall be reduced to 75 percent of this table. The seventh through 10th floor and below the third basement floor level quantity shall be reduced to 50 percent of this table. 2. Quantities may be increased 100 percent when stored in approved exhausted gas cabinets, exhausted enclosures or fume hoods. |
1. A laboratory suite is a space up to 10,000 square feet (929 m2) bounded by not less than a one-hour fire-resistive occupancy separation within which the exempt amounts of hazard- ous materials may be stored, dispensed, handled or used. Up through the third floor and down through the first basement floor, the quantity in this table shall apply. Fourth, fifth and sixth floors and the second and third basement floor level quantity shall be reduced to 75 percent of this table. The seventh through 10th floor and below the third basement floor level quantity shall be reduced to 50 percent of this table. 2. Quantities may be increased 100 percent when stored in approved exhausted gas cabinets, exhausted enclosures or fume hoods. |
1. A laboratory suite is a space up to 10,000 square feet (929 m2) bounded by not less than a one-hour fire-resistive occupancy separation within which the exempt amounts of hazard- ous materials may be stored, dispensed, handled or used. Up through the third floor and down through the first basement floor, the quantity in this table shall apply. Fourth, fifth and sixth floors and the second and third basement floor level quantity shall be reduced to 75 percent of this table. The seventh through 10th floor and below the third basement floor level quantity shall be reduced to 50 percent of this table. 2. Quantities may be increased 100 percent when stored in approved exhausted gas cabinets, exhausted enclosures or fume hoods. |
1. A laboratory suite is a space up to 10,000 square feet (929 m2) bounded by not less than a one-hour fire-resistive occupancy separation within which the exempt amounts of hazard- ous materials may be stored, dispensed, handled or used. Up through the third floor and down through the first basement floor, the quantity in this table shall apply. Fourth, fifth and sixth floors and the second and third basement floor level quantity shall be reduced to 75 percent of this table. The seventh through 10th floor and below the third basement floor level quantity shall be reduced to 50 percent of this table. 2. Quantities may be increased 100 percent when stored in approved exhausted gas cabinets, exhausted enclosures or fume hoods. |
1. A laboratory suite is a space up to 10,000 square feet (929 m2) bounded by not less than a one-hour fire-resistive occupancy separation within which the exempt amounts of hazard- ous materials may be stored, dispensed, handled or used. Up through the third floor and down through the first basement floor, the quantity in this table shall apply. Fourth, fifth and sixth floors and the second and third basement floor level quantity shall be reduced to 75 percent of this table. The seventh through 10th floor and below the third basement floor level quantity shall be reduced to 50 percent of this table. 2. Quantities may be increased 100 percent when stored in approved exhausted gas cabinets, exhausted enclosures or fume hoods. |
el 18 de julio de 2025 11:14 AM (CDT) EN VIRTUD DE ELLO.
DISPOSICIONES PARA TODOS LOS MÉTODOS DE CUMPLIMIENTO
| TABLE 316.7(2)—EXEMPT AMOUNTS OF HAZARDOUS MATERIALS, LIQUIDS AND CHEMICALS PRESENTING A PHYSICAL HAZARD BASIC QUANTITIES PER LABORATORY SUITE1 When two units are given, values within parentheses are in pounds (lbs.) |
Col2 | Col3 | Col4 | Col5 | Col6 | Col7 | Col8 | Col9 |
|---|---|---|---|---|---|---|---|---|
| MATERIAL | STORAGE | STORAGE | STORAGE | USE CLOSED SYSTEMS | USE CLOSED SYSTEMS | USE CLOSED SYSTEMS | USE OPEN SYSTEMS | USE OPEN SYSTEMS |
| MATERIAL | Solid lb | Liquid Gallons (lb) |
Gas cu. ft |
Solid lb | Liquid Gallons (lb) |
Gas (cu. ft) |
Solid lb | Liquid Gallons (lb) |
| 1. Corrosives | 5,000 | 500 | 6502 | 5,000 | 500 | 650 | 1,000 | 100 |
| _2a. Highly toxics2 _ | 40 | 10 | 65 | 5 | 1 | 65 | 2 | 1/4 |
| 2b. Toxics | 500 | 50 | 6502 | 500 | 50 | 650 | 5 | 1/2 |
| 3. Irritants | 5,000 | 500 | 650 | 5,000 | 500 | 650 | 1,000 | 100 |
| 4. Sensitizers | 5,000 | 500 | 650 | 5,000 | 500 | 650 | 1,000 | 100 |
| 5. Other health hazards | 5,000 | 500 | 650 | 5,000 | 500 | 650 | 1,000 | 100 |
| 1. A laboratory suite is a space up to 10,000 square feet (929 m2) bounded by not less than a 1-hour fire-resistive occupancy separation within which the exempt amounts of hazard- ous materials may be stored, dispensed, handled or used. Up through the third floor and down through the first basement floor, the quantity in this table shall apply. Fourth, fifth and sixth floors and the second and third basement floor level quantity shall be reduced to 75 percent of this table. The seventh through 10th floor and below the third basement floor level quantity shall be reduced to 50 percent of this table. 2. Permitted only when stored or used in approved exhausted gas cabinets, exhausted enclosures or fume hoods. Quantities of high toxics in use in open systems need not be reduced above the third floor or below the first basement floor level. Individual container size shall be limited to 2 pounds (0.91 kg) for solids and1/4 gallon (0.95 L) for liquids. |
1. A laboratory suite is a space up to 10,000 square feet (929 m2) bounded by not less than a 1-hour fire-resistive occupancy separation within which the exempt amounts of hazard- ous materials may be stored, dispensed, handled or used. Up through the third floor and down through the first basement floor, the quantity in this table shall apply. Fourth, fifth and sixth floors and the second and third basement floor level quantity shall be reduced to 75 percent of this table. The seventh through 10th floor and below the third basement floor level quantity shall be reduced to 50 percent of this table. 2. Permitted only when stored or used in approved exhausted gas cabinets, exhausted enclosures or fume hoods. Quantities of high toxics in use in open systems need not be reduced above the third floor or below the first basement floor level. Individual container size shall be limited to 2 pounds (0.91 kg) for solids and1/4 gallon (0.95 L) for liquids. |
1. A laboratory suite is a space up to 10,000 square feet (929 m2) bounded by not less than a 1-hour fire-resistive occupancy separation within which the exempt amounts of hazard- ous materials may be stored, dispensed, handled or used. Up through the third floor and down through the first basement floor, the quantity in this table shall apply. Fourth, fifth and sixth floors and the second and third basement floor level quantity shall be reduced to 75 percent of this table. The seventh through 10th floor and below the third basement floor level quantity shall be reduced to 50 percent of this table. 2. Permitted only when stored or used in approved exhausted gas cabinets, exhausted enclosures or fume hoods. Quantities of high toxics in use in open systems need not be reduced above the third floor or below the first basement floor level. Individual container size shall be limited to 2 pounds (0.91 kg) for solids and1/4 gallon (0.95 L) for liquids. |
1. A laboratory suite is a space up to 10,000 square feet (929 m2) bounded by not less than a 1-hour fire-resistive occupancy separation within which the exempt amounts of hazard- ous materials may be stored, dispensed, handled or used. Up through the third floor and down through the first basement floor, the quantity in this table shall apply. Fourth, fifth and sixth floors and the second and third basement floor level quantity shall be reduced to 75 percent of this table. The seventh through 10th floor and below the third basement floor level quantity shall be reduced to 50 percent of this table. 2. Permitted only when stored or used in approved exhausted gas cabinets, exhausted enclosures or fume hoods. Quantities of high toxics in use in open systems need not be reduced above the third floor or below the first basement floor level. Individual container size shall be limited to 2 pounds (0.91 kg) for solids and1/4 gallon (0.95 L) for liquids. |
1. A laboratory suite is a space up to 10,000 square feet (929 m2) bounded by not less than a 1-hour fire-resistive occupancy separation within which the exempt amounts of hazard- ous materials may be stored, dispensed, handled or used. Up through the third floor and down through the first basement floor, the quantity in this table shall apply. Fourth, fifth and sixth floors and the second and third basement floor level quantity shall be reduced to 75 percent of this table. The seventh through 10th floor and below the third basement floor level quantity shall be reduced to 50 percent of this table. 2. Permitted only when stored or used in approved exhausted gas cabinets, exhausted enclosures or fume hoods. Quantities of high toxics in use in open systems need not be reduced above the third floor or below the first basement floor level. Individual container size shall be limited to 2 pounds (0.91 kg) for solids and1/4 gallon (0.95 L) for liquids. |
1. A laboratory suite is a space up to 10,000 square feet (929 m2) bounded by not less than a 1-hour fire-resistive occupancy separation within which the exempt amounts of hazard- ous materials may be stored, dispensed, handled or used. Up through the third floor and down through the first basement floor, the quantity in this table shall apply. Fourth, fifth and sixth floors and the second and third basement floor level quantity shall be reduced to 75 percent of this table. The seventh through 10th floor and below the third basement floor level quantity shall be reduced to 50 percent of this table. 2. Permitted only when stored or used in approved exhausted gas cabinets, exhausted enclosures or fume hoods. Quantities of high toxics in use in open systems need not be reduced above the third floor or below the first basement floor level. Individual container size shall be limited to 2 pounds (0.91 kg) for solids and1/4 gallon (0.95 L) for liquids. |
1. A laboratory suite is a space up to 10,000 square feet (929 m2) bounded by not less than a 1-hour fire-resistive occupancy separation within which the exempt amounts of hazard- ous materials may be stored, dispensed, handled or used. Up through the third floor and down through the first basement floor, the quantity in this table shall apply. Fourth, fifth and sixth floors and the second and third basement floor level quantity shall be reduced to 75 percent of this table. The seventh through 10th floor and below the third basement floor level quantity shall be reduced to 50 percent of this table. 2. Permitted only when stored or used in approved exhausted gas cabinets, exhausted enclosures or fume hoods. Quantities of high toxics in use in open systems need not be reduced above the third floor or below the first basement floor level. Individual container size shall be limited to 2 pounds (0.91 kg) for solids and1/4 gallon (0.95 L) for liquids. |
1. A laboratory suite is a space up to 10,000 square feet (929 m2) bounded by not less than a 1-hour fire-resistive occupancy separation within which the exempt amounts of hazard- ous materials may be stored, dispensed, handled or used. Up through the third floor and down through the first basement floor, the quantity in this table shall apply. Fourth, fifth and sixth floors and the second and third basement floor level quantity shall be reduced to 75 percent of this table. The seventh through 10th floor and below the third basement floor level quantity shall be reduced to 50 percent of this table. 2. Permitted only when stored or used in approved exhausted gas cabinets, exhausted enclosures or fume hoods. Quantities of high toxics in use in open systems need not be reduced above the third floor or below the first basement floor level. Individual container size shall be limited to 2 pounds (0.91 kg) for solids and1/4 gallon (0.95 L) for liquids. |
1. A laboratory suite is a space up to 10,000 square feet (929 m2) bounded by not less than a 1-hour fire-resistive occupancy separation within which the exempt amounts of hazard- ous materials may be stored, dispensed, handled or used. Up through the third floor and down through the first basement floor, the quantity in this table shall apply. Fourth, fifth and sixth floors and the second and third basement floor level quantity shall be reduced to 75 percent of this table. The seventh through 10th floor and below the third basement floor level quantity shall be reduced to 50 percent of this table. 2. Permitted only when stored or used in approved exhausted gas cabinets, exhausted enclosures or fume hoods. Quantities of high toxics in use in open systems need not be reduced above the third floor or below the first basement floor level. Individual container size shall be limited to 2 pounds (0.91 kg) for solids and1/4 gallon (0.95 L) for liquids. |