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 |
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| • |
AE Testing
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|
|
– |
Test in one day or less
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|
|
depending upon tank size.
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|
– |
Tank still for 12-24 hours.
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– |
Low cost, little preparation
|
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needed.
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– |
Indication of damage, not
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definitive.
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– |
Cost effective way to
|
|
|
prioritize tanks for internal
|
|
|
inspection and postpone
|
|
|
inspection of ‘good’ tanks.
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| • |
Internal Inspection
|
|
|
|
– |
Days to weeks depending on
|
|
|
cleaning and prep.
|
|
|
|
– |
Tank empty and out of service
|
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|
for weeks or months.
|
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|
– |
Cost $50k to >$150k before
|
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|
inspection begins.
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|
– |
Full documentation of defects
|
|
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and metal loss.
|
|
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|
– |
Can only inspect a few tanks
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|
per year.
Important to pick the
|
|
right
ones.
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|
