scope:

General. The provisions of this Code shall apply to the addition to or erection, installation, alteration, repair, relocation, replacement, use, or maintenance of any heating, ventilating, cooling, refrigeration systems; incinerators; or other miscellaneous heat-producing appliances within this jurisdiction.

Additions, alterations, repairs to, and replacement of equipment or systems shall comply with the provisions for new equipment and systems, except as otherwise provided in Section 104.0 of this Code.

Conflicts. Where, in any specific case, different sections of this Code or referenced standards specify different materials, methods of construction, or other requirements, the most restrictive shall govern as determined by the Authority Having Jurisdiction. When there is a conflict between a general requirement and a specific requirement, the specific requirement shall be applicable. [OSHPD 1, 2, 3 & 4] See Chapter 1, Division I, Section 1.1.7.

Design and Testing. The design and testing of equipment regulated by this Code shall be subject to the approval of the Authority Having Jurisdiction.

Appendices. The standards contained in Appendix A shall be considered as part of this Code. Appendices B and C contain recommended practices that shall not apply unless specifically adopted. Appendix D contains conversion tables and a table for determining the approximate minimum thickness for carbon sheet steel.

102.0 Purpose. The purpose of this Code is to safeguard life, health, property and public welfare by regulating the design, construction, installation, alteration, repair, quality of materials, location, operation and maintenance of heating, ventilating, air-conditioning and refrigeration equipment and other miscellaneous heat-producing appliances installed in the City. The provisions of this Code are not intended to apply to equipment installed on railroad cars, motor vehicles, aircraft or on shipboard that are not used as permanent occupancies for longer than six months.

For other requirements concerning the installation of ventilating equipment, see Article 7, Chapter V of the Los Angeles Municipal Code (Fire Code); Article 3, Chapter IX of the Los Angeles Municipal Code (Electrical Code); Article 1, Chapter IX of the Los Angeles Municipal Code (Building Code); and the Los Angeles County Public Health Code.

The provisions of Chapters 2 through 17; Appendix Chapter 1, and Appendices A and D of the California Mechanical Code, 2010 edition, prepared by the International Association of Plumbing and Mechanical Officials and amended by the California Building Standards Commission, are adopted by reference as part of the Los Angeles Municipal Code with amendments in the form of exceptions, modifications, deletions, supplements and additions which have been added to Article 5, Chapter IX of the Los Angeles Municipal Code. Chapter references are to chapters of the California Mechanical Code. The abbreviation "C.M.C." shall mean and refer to the 2010 edition of the California Mechanical Code. References to "LAMC" shall mean the Los Angeles Municipal Code.

Except as specified in this division, all heating, air-conditioning, ventilation, refrigeration and miscellaneous heatproducing appliance installations and materials shall be in conformity with the California Mechanical Code as adopted by reference