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Chapter 11 — CONSTRUCTION REQUIREMENTS FOR EXISTING BUILDINGS

Section 1116

California Fire Code (Title 24, Part 9) · 2022 edition · updated 2026-09-10 · California

CBSC: official editions, supplements and errata

Italicized text is a California amendment to the model code, as printed in the official publication.

EXISTING GROUP L AND GROUP H-8

OCCUPANCIES [SFM]

1116.1 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 sec- tion.

Exceptions & meaning →

1116.2 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 cre- ated if an addition or alteration will cause the existing build-

11-28 2022 CALIFORNIA FIRE CODE

Copyright © 2022 by, or licensed to, International Code Council, Inc. (ALL RIGHTS RESERVED); licensed to California Building Standards Commission pursuant to License Agreement. No further reproductions is authorized. Any unauthorized reproduction or distribution is a violation of the federal copyright act and the license agreement, and subject to civil and criminal penalties thereunder.

CONSTRUCTION REQUIREMENTS FOR EXISTING BUILDINGS

TABLE 1116.7(1) EXEMPT AMOUNTS OF HAZARDOUS MATERIALS, LIQUIDS AND CHEMICALS PRESENTING A PHYSICAL HAZARD BASIC QUANTITIES PER LABORATORY SUITE 1

When two units are given, values within parentheses are in cubic feet (cu. ft) or pounds (lb)

CONDITION STORAGE USE CLOSED 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 III-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 1252 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 m 2 ) bounded by not less than a one-hour fire-resistive occupancy separation within which the exempt amounts of hazardous 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.

Copyright © 2022 by, or licensed to, International Code Council, Inc. (ALL RIGHTS RESERVED); licensed to California Building Standards Commission pursuant to License Agreement. No further reproductions is authorized. Any unauthorized reproduction or distribution is a violation of the federal copyright act and the license agreement, and subject to civil and criminal penalties thereunder.

CONSTRUCTION REQUIREMENTS FOR EXISTING BUILDINGS

TABLE 1116.7(2) EXEMPT AMOUNTS OF HAZARDOUS MATERIALS, LIQUIDS AND CHEMICALS PRESENTING A HEALTH HAZARD MAXIMUM QUANTITIES PER LABORATORY SUITE 1

When two units are given, values within parentheses are in pounds (lbs.)

MATERIAL STORAGE USE CLOSED 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 m 2 ) bounded by not less than a one-hour fire-resistive occupancy separation within which the exempt amounts of hazardous 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 and 1/4 gallon (0.95 L) for liquids.

11-30 2022 CALIFORNIA FIRE CODE

Copyright © 2022 by, or licensed to, International Code Council, Inc. (ALL RIGHTS RESERVED); licensed to California Building Standards Commission pursuant to License Agreement. No further reproductions is authorized. Any unauthorized reproduction or distribution is a violation of the federal copyright act and the license agreement, and subject to civil and criminal penalties thereunder.

CALIFORNIA FIRE CODE – MATRIX ADOPTION TABLE

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