Data Sheets- Time intervals Flashcards
NDE- Min time an examiner should be in a darkened area prior to use using a black light for MT & PT exams
5 minutes
Testing- Min duration for a pressure test per B31.3
10 minutes
NDE- Final interpretation of a PT exam after application of developer (Time Range)
10-60 minutes
Testing- Min duration for a pressure test per API 577
30 minutes (Conflict with B31.3)
Testing- Min duration of a hydro to evaluate the integrity of buried pipe
8 Hours
NDE- Max calibrating interval - For all MT Magnetic Yokes
Daily (Prior to use)
Testing- Max calibrating interval - RT Densitometer
90 days or 3 months
Max time for obtaining thickness readings when corrosion rate on new pipe is not known ( No other available data)
3 months
Welding - Max time a welder or Welding operator maintains qualifications for a process without using that process
6 months
Interval- Suggested interval for Above-Ground visual surveillance of buried pipe
6 months
NDE- Max interval for a visual examiners eye exam
1 year
NDE- Max interval to calibrate pressure gauge using in testing
1 year
AI- Length of time before an API 570 AI must recertify
3 years
INSP - Max thickness inspection interval for an Injection point
Lesser of:
- 3 years
- (1/2) life
Insp- Max external inspection interval for Class 1 and 2 piping
5 years