Pre-Overhaul Requirements

UFC 4-390-01

23 July 2003

the system drawing

c) Re-qualifying system hoses, volume tanks, high

pressure gas flasks, high pressure fluid tanks, filter housings

or moisture separators by hydrostatic testing required by PMS

d.

Calibrating gages and relief valves

e)

Re-certifying DOT 3AA flasks/bottles

f) System configuration changes in support of mission

testing documented on controlled work procedures

Should the scope of work exceed minor work (as described above),

termination or suspension of system certification may be

required. This applies whether the work is accomplished during

scheduled maintenance, as day-to-day work, or to correct a

casualty. The applicant should immediately notify the SCA when

this work is required so the SCA can make a determination with

respect to termination or suspension. Examples of significant

work that may terminate or suspend system certification are:

a)

Welding or brazing on the pressure boundary

b)

Overhauling the unmanned pressure test facility.

5.3

Pre-Overhaul Requirements. Prior to the commencement

of overhaul or repair of an unmanned pressure test facility, the

applicant should submit the following to the SCA for review:

a) A detailed definition of the scope of the overhaul,

including a list of repairs, alterations, modifications and

significant components to be replaced, etc.,

b) The overhaul or repair work package should include,

as appropriate, drawings, description of work, quality assurance

provisions, tests and inspections to be accomplished. All

procedures or processes to be followed must also be included.

c)

A schedule showing major overhaul milestones.

Pre-Overhaul information should be submitted as early as possible

to allow sufficient time for review by the SCA. The SCA, as

early as possible, in conjunction with appropriate technical

authorities, should review all work and procedures/processes that

involve system certification.

In cases where the work package includes alterations, the Naval

Facilities Engineering Command Hyperbaric Facilities Maintenance

Manual, NAVFAC MO-406, may be used to provide guidance for the

control of the alteration process. The timing of formal

technical design reviews should be negotiated between the

applicant and the SCA and should be dependent upon the complexity

and uniqueness of the alteration.

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