API 510 - Section - 6 Flashcards
If both the ,,,, and the,,,,, of a vessel are changed, the vessel shall be internally and externally inspected before it is reused
ownership location
When a RBI interval for the internal or on-stream inspection exceeds the 10-year limit, the RBI assessment shall be reviewed and approved by the engineer and inspector at intervals not to exceed ,,,,
10 years
visual external inspection at an interval that does not exceed ,,,,, or the required internal/on-stream inspection
the lesser of five years
internal or on-stream inspections and thickness
measurement inspections shall not exceed ,,,,, whichever is less
one-half the remaining life of the vessel or 10 years
Internal/On stream/Thickness:
Whenever the remaining life is less than four years, the inspection interval may be the ,,,,,
full remaining life up to a maximum of two years
On stream Inspection in-Lieu of Internal Inspection can be performed when the general corrosion rate of a vessel is known to be,,,,,,per year;
<0.005 in. (0.125 mm)
On stream Inspection in-Lieu of Internal Inspection can be performed when, the vessel remaining life is ,,,,
> 10 years;
Pressure-relieving devices should be inspected, tested, and maintained in accordance with ,,,
API 576.
Pressure-relieving devices shall be tested and inspected at intervals that are ,,,,, that the devices perform reliably in the particular service conditions.
frequent enough to verify
test and inspection intervals for pressure-relieving devices in typical process services should not exceed,,:
5 years for typical process services
10 years for clean (non fouling) and noncorrosive services
pressure relief device servicing interval may be deferred by the inspector when, when the period of time for which the item is to be deferred does not exceed ,,,,of the inspection/servicing interval or ,,,,,,, whichever is less.
10 %
six months
Pressure equipment operated beyond the inspection due date without a ,,,and ,,,,is not permitted by API 510
documented
approved deferral
