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<script> function SetWindowTitle(title) { window.document.title=title; } function NewWindow(URLLink) { window.open(URLLink,"","HEIGHT=500,WIDTH=750,left=50,top=50, scrollbars,menubar,alwaysraised,resizable=1"); } </script> <html> <head> <title>The American Society of Mechanical Engineers - C&S Tools</title> <script language="JavaScript" src="/common/ehlpdht1.js"></script> <script type="text/javascript" src="/common/js/jquery-3.5.1.min.js"></script> <link rel="stylesheet" href="/common/styles/csconnect.min.css"> <script type="text/javascript" src="/common/js/bootstrap.bundle.min.js"></script> </head> <style> TD.pagehdg { font-size: 15px; background-color : 425979; color : white; font-weight : bold; text-align : center; } Table { width : 100%; font-size: 12px; } Table.Announcement { width : 450px; font-size: 12px; } DIV.CommitteePageMessages { font-size: 9.5pt; color : black; font-weight : bold; } </style> <body> <div class="page-container"> <div class="content-wrapper">  <noscript><iframe src="//www.googletagmanager.com/ns.html?id=GTM-P5LRDPG" height="0" width="0" style="display:none;visibility:hidden"></iframe></noscript> <script>(function(w,d,s,l,i){w[l]=w[l]||[];w[l].push({'gtm.start': new Date().getTime(),event:'gtm.js'});var f=d.getElementsByTagName(s)[0], j=d.createElement(s),dl=l!='dataLayer'?'&l='+l:'';j.async=true;j.src= '//www.googletagmanager.com/gtm.js?id='+i+dl;f.parentNode.insertBefore(j,f); })(window,document,'script','dataLayer','GTM-P5LRDPG');</script>  <header class="mb-2"> <div class="bg-gradient"> <div class="container-fluid position-relative px-sm-4 px-xl-5"> <img class="position-absolute top-0 header-bg-icon" style="right: 3.75rem;" src="/csconnect/images/header-icon.svg" /> <nav class="navbar navbar-dark py-0 navbar-expand-md"> <a class="navbar-brand py-0" href="http://cstools.asme.org/index.cfm"> <img src="/csconnect/images/codeslogo.svg" class="cs-logo" /> </a> <button class="navbar-toggler" type="button" data-bs-toggle="collapse" data-bs-target="#navbarSupportedContent" aria-controls="navbarSupportedContent" aria-expanded="false" aria-label="Toggle navigation"> <span class="navbar-toggler-icon"></span> </button> <div class="d-flex flex-column align-items-end order-md-1"> <a class="btn btn-primary ms-5 ms-md-0" href="javascript:NewWindow('https://cstools.asme.org/SAML/InitiateSingleSignOn?returnUrl=https://cstools.asme.org/csconnect/index.cfm')" title="Click to Login"> Log in </a> </div> <div class="collapse navbar-collapse" id="navbarSupportedContent"> <ul class="navbar-nav me-auto py-3 mb-lg-0"> <li class="nav-item"> <a class="nav-link" href="https://www.asme.org/codes-standards/find-codes-standards">Find A Standard</a> </li> <li class="nav-item"> <a class="nav-link" href="/csconnect/index.cfm">C&S Connect</a> </li> <li class="nav-item dropdown"> <a class="nav-link" href="/csconnect/CommitteePages.cfm">Committee Central</a> </li> <li class="nav-item"> <a class="nav-link" href="http://calendar.asme.org/home.cfm?EventTypeID=4">Meetings</a> </li> <li class="nav-item"> <a class="nav-link" href="/csconnect/CommitteePages.cfm?view=CFStaffSearch">Staff</a> </li> </ul> </div> </nav> <a class="position-absolute link-light fs-6 me-3 end-0 top-0" href="https://asme.org"> <span class="material-icons">open_in_new</span> <small> Go to ASME.org </small> </a> </div> </div> </header> <div class="container-fluid px-sm-4 px-xl-5"><script>window.document.title='C&S Connect > Codes & Standards Interpretations On-Line';</script> <h4 class="bg-light-blue bg-opacity-25 text-center p-2 mb-3" align="center">Codes & Standards Interpretations On-Line</h4> <br> <div class="container-fluid"> <div> <p> ASME issues written replies to inquiries concerning interpretation of technical aspects of the Code. The interpretations for each individual Section will be published separately and will be included as part of the update service to that Section. Interpretations of Section III, Divisions 1 and 2, will be included with the update service to Subsection NCA. </p> <p> Interpretations of the Boiler and Pressure Vessel Code are posted in January and July on this page. These interpretations will become all or part of the Interpretations Volume that will be printed with the next Edition of BPVC. </p> </div> <div class="row mb-3"> <h5 class="bg-light-blue bg-opacity-25 p-2 mb-3">Boiler and Pressure Vessel Code Interpretations PDFs</h5> </div> <div class="row mb-3"> <div><strong>January 2014 - Vol. 63</strong></div> <a href="/InterpretationsPDF/BPVC-I-Interp_Stnd-63_2014_Jan.pdf" target="_blank">BPVC Section I Interpretations</a> <a href="/InterpretationsPDF/BPVC-IIA-Interp_Stnd-63_2014_Jan.pdf" target="_blank">BPVC Section II - Part A Interpretations</a> <a href="/InterpretationsPDF/BPVC-III-NCA-Interp_Stnd-63_2014_Jan.pdf" target="_blank">BPVC Section III - Subsection NCA Interpretations</a> <a href="/InterpretationsPDF/BPVC-IX-Interp_Stnd-63_2014_Jan.pdf" target="_blank">BPVC Section IX Interpretations</a> <a href="/InterpretationsPDF/BPVC-V-Interp_Stnd-63_2014_Jan.pdf" target="_blank">BPVC Section V Interpretations</a> <a href="/InterpretationsPDF/BPVC-VIII-1Interp_Stnd-63_2014_Jan.pdf" target="_blank">BPVC Section VIII - Div. 1 Interpretations</a> <a href="/InterpretationsPDF/BPVC-VIII-2-Interp_Stnd-63_2014_Jan.pdf" target="_blank">BPVC Section VIII - Div. 2 Interpretations</a> <a href="/InterpretationsPDF/BPVC-XI-Interp_Stnd-63_2014_Jan.pdf" target="_blank">BPVC Section XI Interpretations</a> <div><strong>July 2014 - Vol. 63</strong></div> <a href="/InterpretationsPDF/BPVC-I-Interp_Stnd-63_2014_Jul.pdf" target="_blank">BPVC Section I Interpretations</a> <a href="/InterpretationsPDF/BPVC-IIA-Interp_Stnd-63_2014_Jul.pdf" target="_blank">BPVC Section II - Part A Interpretations</a> <a href="/InterpretationsPDF/BPVC-III-NCA-Interp_Stnd-63_2014_Jul.pdf" target="_blank">BPVC Section III - Subsection NCA Interpretations</a> <a href="/InterpretationsPDF/BPVC-III-3-Interp_Stnd-63_2014_Jul.pdf" target="_blank">BPVC Section III-3 Interpretations</a> <a href="/InterpretationsPDF/BPVC-IV-Interp_Stnd-63_2014_Jul.pdf" target="_blank">BPVC Section IV Interpretations</a> <a href="/InterpretationsPDF/BPVC-IX-Interp_Stnd-63_2014_Jul.pdf" target="_blank">BPVC Section IX Interpretations</a> <a href="/InterpretationsPDF/BPVC-V-Interp_Stnd-63_2014_Jul.pdf" target="_blank">BPVC Section V Interpretations</a> <a href="/InterpretationsPDF/BPVC-VIII-1Interp_Stnd-63_2014_Jul.pdf" target="_blank">BPVC Section VIII - Div. 1 Interpretations</a> <a href="/InterpretationsPDF/BPVC-VIII-2-Interp_Stnd-63_2014_Jul.pdf" target="_blank">BPVC Section VIII - Div. 2 Interpretations</a> <a href="/InterpretationsPDF/BPVC-VIII-3-Interp_Stnd-63_2014_Jul.pdf" target="_blank">BPVC Section VIII - Div. 3 Interpretations</a> <a href="/InterpretationsPDF/BPVC-XI-Interp_Stnd-63_2014_Jul.pdf" target="_blank">BPVC Section XI Interpretations</a> <div><strong>January 2015 - Vol. 63</strong></div> <a href="/InterpretationsPDF/BPVC-I-Interp_Stnd-63_2015_Jan.pdf" target="_blank">BPVC Section I Interpretations</a> <a href="/InterpretationsPDF/BPVC-IIA-Interp_Stnd-63_2015_Jan.pdf" target="_blank">BPVC Section II - Part A Interpretations</a> <a href="/InterpretationsPDF/BPVC-III-NCA-Interp_Stnd-63_2015_Jan.pdf" target="_blank">BPVC Section III - Subsection NCA Interpretations</a> <a href="/InterpretationsPDF/BPVC-III-3-Interp_Stnd-63_2015_Jan.pdf" target="_blank">BPVC Section III-3 Interpretations</a> <a href="/InterpretationsPDF/BPVC-IV-Interp_Stnd-63_2015_Jan.pdf" target="_blank">BPVC Section IV Interpretations</a> <a href="/InterpretationsPDF/BPVC-IX-Interp_Stnd-63_2015_Jan.pdf" target="_blank">BPVC Section IX Interpretations</a> <a href="/InterpretationsPDF/BPVC-V-Interp_Stnd-63_2015_Jan.pdf" target="_blank">BPVC Section V Interpretations</a> <a href="/InterpretationsPDF/BPVC-VIII-1Interp_Stnd-63_2015_Jan.pdf" target="_blank">BPVC Section VIII - Div. 1 Interpretations</a> <a href="/InterpretationsPDF/BPVC-XI-Interp_Stnd-63_2015_Jan.pdf" target="_blank">BPVC Section XI Interpretations</a> </div> </div> </div> </div> <footer class="footer mt-auto"> <div class="bg-light-blue bg-opacity-25 py-2 mt-2"> <div class="text-center"> <small>Minimum Site Requirements:</small> <a href="http://www.microsoft.com/downloads" target="_blank"><small>IE 11.0+</small></a> · <a href="http://www.microsoft.com/downloads" target="_blank"><small>Edge 18.0+</small></a> · <a href="http://www.mozilla.com/en-US/firefox/" target="_blank"><small>Firefox 60.0+</small></a> · <a href="https://www.google.com/intl/en/chrome/browser/" target="_blank"><small>Chrome 60.0+</small></a> </div> </div> <div class="bg-dark text-center text-light py-2"> <small class="text-secondary text-opacity-75 me-1">The American Society of Mechanical Engineers <br/> Copyright © 1996-<script>document.write( new Date().getUTCFullYear() );</script> ASME. 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