Entries by Structural Integrity

News & Views, Volume 48 | Implementation of Material Verification – In Support of Mega-Rule Part 1 Requirements

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By:  Roger Royer, Scott Riccardella, and David Babbitt Operators are now required to define sampling programs and perform destructive (laboratory) or non-destructive testing to capture this information and take additional actions when inconsistent results are identified until a confidence level of 95% is achieved. Various sections of Mega-Rule 1 require operators of natural gas transmission […]

News & Views, Volume 48 | Strategic Evaluation of MAOP – Reconfirmation Plans and Options

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By:  Scott Riccardella and Bruce Paskett On October 1, 2019, the Pipeline and Hazardous Materials Safety Administration (PHMSA) published amendments to 49 CFR Parts 191 and 192 in the Federal Register issuing the Pipeline Safety: Safety of Gas Transmission Pipelines:  MAOP Reconfirmation, Expansion of Assessment Requirements, and Other Related Amendments Final Rule  (Final Rule).  The […]

News & Views, Volume 48 | Optimizing Cathodic Protection Commitments Aging Management Program (AMP XI.M42)

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By: Shane McManus and Mark Jaeger License renewal applications (LRAs) often involve commitments to future actions.  These can be classified into one of three categories: appropriate, overcommitment, and ambiguous implementation.  Appropriate commitments include those actions that are expected by the NRC (such as those explicitly identified in the GALL(1) and GALL-SLR(2)) as well as some […]

News & Views, Volume 47 | Aircraft Impact Assessments for NUSCALE Power

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By:  Eric Kjolsing, Ph.D., PE From 2015 to 2019 Structural Integrity Associates, Inc. (SI) worked with NuScale Power,LLC. to develop structural details for and perform aircraft impact assessments of NuScale’s SMR Reactor Building.  The assessments were based on finite element analyses of various strike scenarios stemming from NEI 07-13 guidance.  ANACAP, a proprietary SI concrete constitutive model, […]

News & View, Volume 47 | How To Make Knowing A Good Thing: Thinning Handbooks

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By:  Stephen Parker and Eric Houston SI has developed a process to mitigate the negative outcomes of piping examination.  One part of that process is Thinning Handbooks, which have resulted in direct savings in excess of $10 Million for one nuclear plant. Examination of Safety Related Service Water piping is driven by a number of […]

News & View, Volume 47 | TRU Compliance Expands into Physical Security – Testing and Certification Services

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By:  Dan Zentner This service coincides with the upcoming publication of the Structural Design for Physical Security Manual of Practice by the American Society of Civil Engineers, with TRU Compliance Director Andy Coughlin as coauthor. TRU Compliance’s testing and certification services is expanding into the dynamic field of Physical Security. This service coincides with the […]