The seismic capacity for the equipment class of Instruments on Racks (IR) may be based on earthquake experience data. This equipment class consists of steel frames that provide mounting for local controls and instrumentation, such as signal transmitters to remote control panels. Instrument racks typically consolidate transducer or control signals from several equipment items in their immediate vicinity.
Office of Environment, Health, Safety & Security
October 21, 2026
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The seismic capacity for the equipment class of Instruments on Racks (IR) may be based on earthquake experience data. This equipment class consists of steel frames that provide mounting for local controls and instrumentation, such as signal transmitters to remote control panels. Instrument racks typically consolidate transducer or control signals from several equipment items in their immediate vicinity.