API 570 DATA SHEETS(TIME INTERVALS)

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Author:
egf4201
ID:
285388
Filename:
API 570 DATA SHEETS(TIME INTERVALS)
Updated:
2014-10-09 17:20:34
Tags:
API 570 DATA SHEETS TIME INTERVALS
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API 570 DATA SHEETS(TIME INTERVALS)
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  1. NDE- minimum time an examiner should be in a darkened area prior to using a black light for MT & PT exams
    5 minutes
  2. testing- minimum duration for a pressure test
    10 minutes
  3. NDE- final interpretation of a PT exam after application of developer (time range)
    10-60 minutes
  4. testing- minimum duration of hydro to evaluate integrity of buried pipe
    8 hours
  5. NDE- max calibrating interval - MT permanent magnet yoke
    daily
  6. NDE- max calibrating interval- RT densitometer
    90 days
  7. maximum time for obtaining thickness readings when corrosion rate on new pipe is not known ( no other data available)
    3 months
  8. welding- max time a welder or welding operator maintains qualifications for a process without using that process
    6 months
  9. interval- suggested interval for above-grade visual survellance of buried pipe
    6 months
  10. NDE- max calibrating interval- electromagnetic mt yoke
    1 year
  11. NDE- maximum interval for a visual examiner's eye exam
    1 year
  12. NDE- max interval to calibrate pressure gauge used in testing
    1 year
  13. AI- length of time before an API 570 AI must recertify
    3 year
  14. Insp- max thickness inspection interval for an injection point
    lesser of 3 yr or 1/2 life
  15. Insp- max external inspection interval for class 1 & 2 piping
    5 year
  16. Insp- maximum interval for relief devices in fouling or corrosive service
    5 year
  17. Insp- suggested interval for close-interval potential survey of buried pipe with porr CP
    5 year
  18. Insp- suggested interval for evaluation of soil corrosivity for buried pipe with no CP
    5 year
  19. Insp- max thickness inspection interval for class 1 piping
    lesser 5 year or 1/2 life
  20. Insp- maximum interval for relief devices in non-fouling or non-corrosive service
    10 years
  21. Insp- minimum years of experience for owner's inspector during new fabrication
    10 years
  22. Insp- maximum external inspection interval for class 3 piping
    10 years
  23. Insp- maximum thickness inspection interval for class 2 & 3  piping
    lesser 10 yr or 1/2 life
  24. RBI- maximum interval for the RBI reassessment
    per table 2
  25. repairs- when should temporary welded pipe repairs be replaced
    next oppurtunity
  26. repairs- when shall non-welded repairs & temporary leak sealing devices and be removed and pipe repaired
    next turnaround
  27. NDE- max calibrating interval- check the light intensity of a black light used in a MT or PT exam
    before & after use

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