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6 Cards in this Set
- Front
- Back
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CAT- A Welds |
Permanent repairs/ alterations to SUBSAFE boundary on SUBSAFE certified subs |
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CAT -B Welds |
Emergency repairs / alterations to SUBSAFE certified subs |
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CAT - C Welds |
1. Temporary repairs and alterations on pressure hull envelope on non-certified SUBSAFE subs 2. Permanent repairs / alterations on sub pressure hull support structures 3. Permanent repairs and alterations on primary structures on surface ships 4. Permanent repairs and alterations on P1, PLT, P3a piping systems; A1, A2, AF, ALT pressure vessles; T1 steam turbines 5. Permanent repairs and alterations of those portion of machinery or components essential to the mission of the ship |
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CAT- D Welds |
Temporary repairs and alterations on items listed under CAT C |
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CAT-F |
Repairs on assemblies where possibility of failure is remote and would not result in danger to the ship |
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CAT-E |
Permanent repairs and alterations to items not listed under CAT-A or C unless exempt by CAT-F |
