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 Certification is achieved by following a logical sequence of events
which will be addressed in detail later in this chapter.
General. The Naval Facilities Engineering Command
4.1.4
(NAVFAC), via the chain of command, has been assigned the
development,
promulgation,
and
the
responsibility
for
implementation of procedures and criteria by which personnel safety
of man-rated hyperbaric facilities is to be evaluated. These
procedures and criteria are known as the Deep Submergence System
NAVFAC
has
system
Certification
Program.
certification
responsibilities for all Navy shore-based manned hyperbaric and
deep ocean simulation pressure chamber complexes; these include
shore-based
recompression a n d
permanently
installed
all
decompression chambers, diving pressure tanks and pressure vessels
that are used for testing manned equipment, which is a permanent
It should be mentioned that systems
part of a shore facility.
belonging to industrial and educational institutions may also be
included since they must be certified if leased by the government
Additionally, NAVFAC
for use by Navy or government personnel.
provides assistance to other services and government agencies when
requested.
The objective of the system certification
Objectives.
process is to verify that these systems provide acceptable levels
of personnel safety throughout the specified operating range when
used in accordance with approved operating and maintenance
procedures.
The system certification process is concerned with
establishing maximum reasonable assurance of the recovery of
and the deliberate avoidance of
personnel without injury,
conditions that could imperil the lives and well-being of operating
personnel.
System certification is a methodical,
b.
Procedure.
independent review of the facility/system documentation and
hardware. This review is conducted to verify that system elements
have been designed and constructed with proper materials;
assembled, cleaned, and performance-tested in accordance with
practices; and that the operating and
accepted engineering
maintenance manuals provide sufficient information to allow the
This independent review and
system to be operated safely.
effective control of design, fabrication, testing, construction,
inspection, maintenance, and operation is necessary because of the
complexity of the systems involved and the immediate impact on
personnel safety. System certification is the final Navy check to
ensure that no recognizable unsafe conditions exist in the system
prior to manned operations.
4.2.
SYSTEM CERTIFICATION PROCESS
The certification of any man-
Process Summary.
4.2.1
rated hyperbaric facility is based on a very simple premise-ensure
4-2
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