Oregon Administrative Rules
Chapter 735 - DEPARTMENT OF TRANSPORTATION, DRIVER AND MOTOR VEHICLE SERVICES DIVISION
Division 110 - HORNS/SIRENS/SOUND DEVICES
Section 735-110-0050 - Siren Mounting

Universal Citation: OR Admin Rules 735-110-0050

Current through Register Vol. 63, No. 9, September 1, 2024

(1) Installation of sirens and speakers on authorized emergency vehicles shall be as follows:

(a) Class A electromechanical and mechanical sirens shall be mounted outside of the vehicle or, between the grille and radiator, or under the hood;

(b) Class B electromechanical and mechanical sirens shall be mounted outside of the vehicle, or between the grille and the radiator;

(c) Class A and B electronic sirens shall be mounted outside of the vehicle or with the horn opening facing forward ahead of the radiator with a relatively open path for the sound to project forward. The horn axis shall be parallel to the vehicle centerline;

(d) Dual speakers for electronic sirens shall be connected in phase and mounted so that the speaker axis is parallel to the vehicle centerline or angled outward not more than ten degrees to the sides;

(e) Electronic siren speakers may be mounted facing forward behind a speaker grille in a lightbar.

(2) Ambulances regulated by the Health Services are also subject to requirements of that agency. This includes the requirements for a Siren-Public Address System, Part 3.14.6of KKK-A-1822B, the federal specifications for the "Star-of-Life Ambulance."

(3) Mechanical motorcycle sirens that do not operate when the vehicle is stationary shall not be installed on motorcycles manufactured after January 1, 1981.

Publications: Publications referenced are available from the agency.

Stat. Auth.: ORS 184.616, ORS 815.030, ORS 815.230, ORS 815.370 & ORS 820.380

Stats. Implemented: ORS 815.030, 815.225 - 815.230 & 820.350-820.370

Disclaimer: These regulations may not be the most recent version. Oregon may have more current or accurate information. We make no warranties or guarantees about the accuracy, completeness, or adequacy of the information contained on this site or the information linked to on the state site. Please check official sources.
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