Quantcast Air System

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General
DON'T
DO
o
Have and follow reentry control
o
Forget to keep system drawings
updated, including the bills of material,
procedures for maintenance, ripouts,
when approved modifications and
repairs, authorized modifications, etc.
changes are made.
o
Prepare and submit a presurvey outline
o
Neglect to add new components to the
booklet (PSOB) and a certification
milestone event schedule after applying
maintenance system.
for certification.
o
Fail to specify what systems, equipment,
o
Have operating and emergency
and components are considered to be
procedures that reflect the system by
within the scope (boundary) of
identifying all valve and gage numbers,
certification.
etc., are realistic, understandable and
current.
Air System
DON'T
DO
o
Ensure that the air purity meets the
o
Leave air hoses and SCUBA charging
requirements specified for diving.
whips uncapped when not in use. Have
protective caps attached to hose storage
o
Install filters as close to the compressors
stations for use in keeping contaminants
as practical to prevent contaminating
out of unused lines.
long runs of piping.
o
Fail to install pressure relief valves
downstream of all regulators so that in
o
Label, color code, and indicate directions
case of regulator leakage or failure,
of flow on system piping components.
system components cannot be
Clean, hydro and leak test all piping
o
overpressurized.
systems. Record date and sign all results
o
Install underrated components in the
and keep on file.
piping system.
o
Marry strength member with
o
Fail to hydratest HP flasks, volume tanks,
appropriate snap-shackle end
moisture separators, and filters within
connections to SCUBA charging whips
the prescribed time period. Record the
and hoses to prevent them from lashing
about if the hose parts or becomes
date of the test and the test pressure on
each component tested.
disconnected during use.
D-4





 


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