Los Angeles County Municipal Code Ch. 10 Chimneys

R1001 - MASONRY FIREPLACES R1001.3.1 - Vertical reinforcing.

For chimneys up to 40 inches (1016 mm) wide, four No. 4 continuous vertical bars adequately anchored into the concrete foundation shall be placed between wythes of solid masonry or within the cells of hollow unit masonry and grouted in accordance with Section R606. Grout shall be prevented from bonding with the flue liner so that the flue liner is free to move with thermal expansion. For chimneys more than 40 inches (1016 mm) wide, two additional No. 4 vertical bars adequately anchored into the concrete foundation shall be provided for each additional flue incorporated into the chimney or for each additional 40 inches (1016 mm) in width or fraction thereof.

(Ord. 2025-0051 § 40, 2025.)

APPENDIX BJ - STRAWBALE CONSTRUCTION

BJ106.1 - General.

In other than Seismic Design Category D 0 , D 1 , D 2 , E, or F, plastered strawbale walls shall be permitted to be used as structural walls in accordance with the prescriptive provisions of this Section.

(Ord. 2025-0051 § 41, 2025.)

APPENDIX CJ - EMERGENCY HOUSING

CJ101.1 - Scope.

This appendix applies to emergency housing and emergency housing facilities, as defined in Section CJ102, when and to the extent that the County of Los Angeles Board of Supervisors ("Board") finds, by motion, resolution, or otherwise, that this appendix applies to a specific state of emergency, local emergency, or declaration of shelter crisis.

(Ord. 2025-0051 § 42, 2025.)

CJ102.1 - General.

. . .

ENFORCING AGENCY. The Building Official as defined in Section 104.3 of this Code.

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(Ord. 2025-0051 § 43, 2025.)

CJ103.1 - General.

Emergency sleeping cabins, emergency transportable housing units, membrane structures and tents constructed and/or assembled in accordance with this appendix, shall be occupied only during the duration of the declaration of state of emergency, local emergency, or shelter crisis.

. . .

(Ord. 2025-0051 § 44, 2025.)

CJ103.4 - Fire and life safety requirements not addressed in this appendix.

If not otherwise addressed in this appendix, fire and life safety measures, including, but not limited to, means of egress, fire separation, fire sprinklers, smoke alarms, and carbon monoxide alarms, shall be determined and enforced by the enforcing agency in consultation with the Departments of Public Health, Fire, and other pertinent County departments, as applicable.

(Ord. 2025-0051 § 45, 2025.)

CJ106.1 - General.

. . .

Tents and membrane structures shall be provided with means of ventilation (natural and/or mechanical) allowing for adequate air replacement, as determined by the enforcing agency.

(Ord. 2025-0051 § 46, 2025.)

CJ107.1 - General.

Emergency housing shall comply with the applicable requirements in the Building Code, Chapter 11B and/or the US Access Board Final Guidelines for Emergency Transportable Housing as determined by the enforcing agency.

. . .

(Ord. 2025-0051 § 47, 2025.)

CJ110.1.1 - Backflow prevention.

Backflow prevention devices shall be provided in accordance with Section 602.3 of the Plumbing Code.

(Ord. 2025-0051 § 48, 2025.)

CJ110.1.2 - Drinking fountains.

An adequate number of drinking fountains, bottle fillers or drinking facilities shall be provided as determined by the enforcing agency.

(Ord. 2025-0051 § 49, 2025.)

CJ110.3 - Toilet and bathing facilities.

. . .

The maximum travel distance from any sleeping and/or living area to the toilet facility shall not exceed 300 feet (91.4 m) or as determined by the enforcing agency.

(Ord. 2025-0051 § 50, 2025.)