MIL-DTL-24784/20B (SH)
3.6.2.1.2 Electromagnetic radiation hazards and precautions. If applicable, describe the
radiation hazards to topside personnel and the precautions to be taken. The hazards of radiation
to flammable or explosive materials also shall be described. The description shall include
discussions of the following:
a. Locations of topside and in board radiation hazardous areas.
b. Minimum safe distances on the axis of beam radiation.
c. Precautions to be taken when entering areas of radiation hazard (such as the wearing of
copper-screen goggles).
d. The effect of radiation on flammable or explosive material such as induction of RF currents in
metals, sparking, and the consequent possibility of igniting flammables or detonating
explosives. The text shall be supported by one or more illustrations identifying the areas of
radiation hazards and the location of antennas, and so forth.
3.6.2.2 Hazards to divers. When applicable, the description of hazards to divers shall include
but shall not necessarily be limited to the following:
a. The nature and intensity of sound energy in water as related to divers.
b. Precautions to be taken when working near operating equipment.
c. Illustrations identifying the hazardous areas and locations of sonar domes.
3.6.2.3 System hazards and precautions. Descriptions of system hazards and precautions shall
be included, addressed to system personnel and referenced to particular system equipments. The
descriptions shall be organized to be consistent with the operation of the system. The descriptions
shall supplement and extend equipment safety instructions to the system level, by warning of
potential hazards that can be caused during operation or maintenance.
3.6.2.3.1 Operational safety summary. A summary shall be included which emphasizes the
proper use of equipment controls, describes the hazards to operators, or as applicable, the hazards
to persons in areas remote from the operation, and recommends precautions. An emergency
operational routine shall be included which emphasizes the controls that permit immediate braking
or de-energizing of the system.
3.6.2.3.2 Maintenance safety summary. A maintenance safety summary shall emphasize the
proper use of controls, describe the hazards to maintenance personnel, potential damage to the
equipment, and recommend precautions.
3.6.2.3.3 Hazardous components. Identify and briefly describe the hazardous components
including radioactive devices and elements used with the system and summarize the general
handling precautions for such components. The description of a hazardous component shall
include brief statements as to the purpose, manner of functioning, nature of built-in safety devices,
and nature of the hazardous element; it shall also indicate the relative sensitivity of the component
to mechanical shock, vibration, electromagnetic and radioactive radiation, and electrostatic
charges.
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