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  1. shonuff

    API 12F Repair- crack

    We have a API 12F tank that has a crack on one of the top corners of the the clean out that runs through the weld and continues at a 45 degree angle approx 2 inches in the shell. CFR 195.205 (b) instructs to follow the standard by which it was built. I just don't see anything in 12F that...
  2. shonuff

    Hardness Test

    Had some scaffold boards that got hot enough during PWHT to smolder and possibly have an open flame. Boards were put out buy water hose. If I were to do hardness test on this pipe is there a specific way or layout of the test on the pipe?
  3. shonuff

    Looking for a way to check the dist

    Looking for a way to check the distortion of a RFWN flange. Would like to know different ways to perform this task but the situation at hand only allows 3 inches between flanges. Is there a tool specifically made for this job?
  4. shonuff

    Mineral wool insulation

    If the lines in the facility are heat traced what are the pros and cons of mineral wool and perlite insulation?
  5. shonuff

    Concrete moisture

    Thanks, I was simply asking about concrete moisture. Do you know who might be able to answer this question?
  6. shonuff

    Concrete moisture

    It is a roof slab for a control building
  7. shonuff

    Concrete moisture

    In general what is the acceptable moisture percentage in cured concrete?
  8. shonuff

    Liquid velocity

    Which code or standard provides the velocity rates for liquids in piping or a pipeline.
  9. shonuff

    LEAK TEST RECORDS

    Thanks for the replies, simple put --- on the test record(sheet) if the test pressure is 450 psi would entering just 450 be okay? B31.3 - 345.2.7(c)it requires test pressure,
  10. shonuff

    LEAK TEST RECORDS

    Does B31.3 specify that leak testing records differentiate a unit of measure, psi or mpa and if so where is that located. Can't seem to put my finger on it.
  11. shonuff

    Lacquer coating on new pipe?

    Do pipe mills that manufacter standard carbon steel pipe, spray the pipe with a lacquer coating before shipping?
  12. shonuff

    Fire protection

    Can anyone suggest the proper code or standard to follow for plant firewater piping(psv, monitors, valves, etc) inspections? Would it be NFPA 25?
  13. shonuff

    NDT for socket welds

    We use gap-o-let to ensure 1/16 gap, and we are using RT now for info only, which shows adequate gap. Harmonics ratio calculations have been completed and that is where the information was generated. It was a "miss" on the engineering side, we are looking at replacing the socket welds with butt...
  14. shonuff

    NDT for socket welds

    Duwe6, very interested in info for this solution. Thanks
  15. shonuff

    NDT for socket welds

    Previously had socket weld(fillet)crack, analysis revealed the failure was fatigue due to harmonics. Changes are being made to correct the problem at other welds. Would like to know other than dye/pen what is another ndt method to inspect fillet socket welds to check for cracks??
  16. shonuff

    pump and motor maintenance

    Would like to know if there is a standard that addresses the intervals of maintenance for pumps and motors? How to determine normal or severe service?
  17. shonuff

    NBIC New Construction AI stugy guide

    Thank you for the information.
  18. shonuff

    NBIC New Construction AI stugy guide

    I am scheduled for the training class and would like to purchase a study guide if one is available, just to prep ahead of time.
  19. shonuff

    NBIC New Construction AI stugy guide

    Was wondering if there is a study guide for NBIC New Construction AI available for purchase. Haven't been able to find one as of yet.
  20. shonuff

    Allowable diameter of socket welds for different services

    Would like to know the restrictions, if any for socket weld pipe, in different services.

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