The certain devices can store energy that can be released unexpectedly, endangering the asset inspector. The risk of "unexpected energization, start up, or release of stored energy" is defined in the Occupational Safety and Health Administration (OSHA) standard number 1910.147, which applies to this case.

Figure 13: Visual inspection of steam piping for leaks and deterioration of insulation.

Some of the requirements described in the standard in order to prevent this type of risk include but are not limited to:

  • Establishing an energy control program with procedures, training and periodic inspections.
  • Using lockout and tagout devices.
  • Using other protective devices such as chains, wedges, key blocks, adapter pins, self-locking fasteners, or other hardware with their appropriate identification.