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// CODE SNIPPET

1910.1096(f)(1) Signal Characteristics

OSHA 1910 General Industry > Z Toxic and Hazardous Substances > 1910.1096 Ionizing Radiation > 1910.1096(f) Immediate Evacuation Warning Signal > 1910.1096(f)(1) Signal Characteristics
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1910.1096(f)(1)(i)

The signal shall be a midfrequency complex sound wave amplitude modulated at a subsonic frequency. The complex sound wave in free space shall have a fundamental frequency (f(1)) between 450 and 500 hertz (Hz) modulated at a subsonic rate between 4 and 5 hertz.

1910.1096(f)(1)(iii)

A sufficient number of signal units shall be installed such that the requirements of paragraph (f)(1)(ii) of this section are met at every location where an individual may be present whose immediate, rapid, and complete evacuation is essential.

1910.1096(f)(1)(iv)

The signal shall be unique in the plant or facility in which it is installed.

1910.1096(f)(1)(v)

The minimum duration of the signal shall be sufficient to insure that all affected persons hear the signal.

1910.1096(f)(1)(vi)

The signal-generating system shall respond automatically to an initiating event without requiring any human action to sound the signal.

1910.1096(f)(1)(ii)

The signal generator shall not be less than 75 decibels at every location where an individual may be present whose immediate, rapid, and complete evacuation is essential.

Related Code Sections


1910.1096(f)(1) Toxic and Hazardous Substances, Signal Characteristics
The signal shall be a midfrequency complex sound wave amplitude modulated at a subsonic frequency. The complex sound wave in free space shall have ...
OSHA 1910 General Industry > Z Toxic and Hazardous Substances > 1910.1096 Ionizing Radiation > 1910.1096(f) Immediate Evacuation Warning Signal > 1910.1096(f)(1) Signal Characteristics
1910.1096(f)(1)(vi) Toxic and Hazardous Substances,
The signal-generating system shall respond automatically to an initiating event without requiring any human action to sound the signal ...
OSHA 1910 General Industry > Z Toxic and Hazardous Substances > 1910.1096 Ionizing Radiation > 1910.1096(f) Immediate Evacuation Warning Signal > 1910.1096(f)(1) Signal Characteristics > 1910.1096(f)(1)(vi)
1910.269(a)(4) Special Industries, Existing Characteristics and Conditions
Existing characteristics and conditions of electric lines and equipment that are related to the safety of the work to be performed shall ...
OSHA 1910 General Industry > R Special Industries > 1910.269 Electric Power Generation, Transmission, and Distribution > 1910.269(a) General > 1910.269(a)(4) Existing Characteristics and Conditions
1910.266(d)(7) Special Industries, Signaling and Signal Equipment
Hand signals or audible contact, such as but not limited to, whistles, horns, or radios, shall be utilized whenever noise, distance, restricted ...
OSHA 1910 General Industry > R Special Industries > 1910.266 Logging Operations > 1910.266(d) General Requirements > 1910.266(d)(7) Signaling and Signal Equipment
1910.269(a)(4)(v) Special Industries,
The locations of circuits and equipment, including electric supply lines, communication lines, and fire-protective signaling circuits, ...
OSHA 1910 General Industry > R Special Industries > 1910.269 Electric Power Generation, Transmission, and Distribution > 1910.269(a) General > 1910.269(a)(4) Existing Characteristics and Conditions > 1910.269(a)(4)(v)
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