Laserfiche WebLink
API 653 Out-of-Service Inspection Report i <br /> for <br /> J.R. Simplot Inspection <br /> Tank No. 8 August 27-28,2008 <br /> Lathrop, CA Page 16 of 54 <br /> 4.2 BOTTOM <br /> 4.2.1 BOTTOM INSPECTION CHECKLIST <br /> J . # DESCRIPTION COMMENTS <br /> Y 1 Conduct Visual Inspection of bottom/bottom Reference Section 2.0 <br /> coating. Record all findings. <br /> N 2 Conduct Vacuum Box Bubble Test inspection NIA <br /> of lap welds and internal shell-to-bottom weld. <br /> Record all findin s. <br /> N 3 Conduct Magnetic Particle Inspection of the NIA <br /> internal shell-to-bottom weld. Record all <br /> findings. <br /> Y 4 Conduct Visual Inspection on bottom lap and Reference Sections 2.0 and <br /> shell-to-bottom weld. Record all findings. 5.0 <br /> Y 5 Conduct Ultrasonic Thickness readings of Reference Section 5.0 <br /> bottom plates. Record all data. <br /> Y 6 Conduct Magnetic Flux Leakage inspection of Reference Sections 2.0 and <br /> bottom. Quantify all findings. 5.0 <br /> Y 7 Locate unacceptable voids beneath bottom. Acceptable <br /> Record the locations. <br /> Y 18 1 Conduct Visual Inspection of reinforcement. Reference Section 2.0 <br /> Y 9 Conduct Visual Inspection of fixed roof support Reference Section 2.0 <br /> columns, base plates and lateral clips. <br /> N 10 Conduct Visual Inspection of sump(s), sump NIA <br /> welds and condition of sump coating. Record <br /> all findings. <br /> N 11 Conduct Ultrasonic Thickness readings of NIA <br /> sump(s). Record all data. Perform additional <br /> NDT if necessa . <br /> APIRPTNE.DOT REV 2 2628030,V8r.doc 9/2512008 10:09 AM <br />