Accessibility to Vital Equipment. The ability to reach, read,
and/or operate vital equipment and devices.
A happening that is not expected,
intended under normal operating conditions.
Diving/hyperbaric safety and information messages.
Air Analysis Sample.
Occupant/diver breathing air source is
required to be checked for purity at intervals not to exceed six
An approved change from the as-certified design,
material, configuration, or performance.
The agency/organization that is making
application for System Certification or Recertification of a
For facilities being developed, the
Applicant/Sponsor will normally be that Agency/Organization
For existing facilities, the
tasked with development.
Applicant/Sponsor will normally be that element within the
organization chain responsible for operation and maintenance.
An accessory added to a major component (i.e.,
viewport, hatch, support rail, connector, piping, etc.).
Arc-Strike. Any inadvertent change in the contour of the finish
weld or adjacent base material resulting from an arc of heat
generated by the passage of electrical energy between the
surface of the finished weld or base material and a current
source such as welding electrodes or magnetic inspection prods.
Drawings which reflect
configuration of the hyperbaric facility.
include detailed material lists and reference applicable
fabrication, installation, cleaning and testing procedures.
Audit. The analysis and evaluation of procedures, methods, and
necessary to determine compliance with existing
Bending Stress. Primary stress at a particular location on the
pressure hull which is proportional to the applied or induced
moments and is proportional to distance from the centroid of a
An example of a primary bending
concentrations are excluded.
stress is the stress in the central portion of a flat head due