{"id":909,"date":"2019-01-20T22:40:00","date_gmt":"2019-01-20T22:40:00","guid":{"rendered":"http:\/\/johnbrear-plantintegrity.com\/?page_id=909"},"modified":"2019-01-21T00:48:09","modified_gmt":"2019-01-21T00:48:09","slug":"risk-based-inspection-planning-for-pipework","status":"publish","type":"page","link":"https:\/\/johnbrear-plantintegrity.com\/?page_id=909","title":{"rendered":"Risk-based inspection planning for pipework"},"content":{"rendered":"<figure id=\"attachment_911\" aria-describedby=\"caption-attachment-911\" style=\"width: 300px\" class=\"wp-caption alignright\"><img fetchpriority=\"high\" decoding=\"async\" src=\"http:\/\/johnbrear-plantintegrity.com\/wp-content\/uploads\/2019\/01\/Piping-general.jpg\" alt=\"\" width=\"300\" height=\"210\" class=\"size-full wp-image-911\" \/><figcaption id=\"caption-attachment-911\" class=\"wp-caption-text\">Pipework on a CCR unit<\/figcaption><\/figure>\r\n<p><strong>Plant:<\/strong><\/p>\r\n<ul>\r\n    <li>Interconnecting pipework on a Platformer unit at an Australasian refinery, operating in the creep range with a service life of 220,000 h<\/li>\r\n<\/ul>\r\n<p><strong>Objective:<\/strong><\/p>\r\n<ul>\r\n    <li>Formulation of a risk-based inspection and maintenance programme<\/li>\r\n<\/ul>\r\n<p><strong>Approach: <\/strong><\/p>\r\n<ul>\r\n    <li>Classical pipework stress analysis, validated by comparing predicted and observed hot-cold movements<\/li>\r\n    <li>Probabilistic creep life prediction<\/li>\r\n    <li>Consequences of failure classified according to sub-component type and fabrication (seam-welded or seamless), on the basis of a leak-before-break analysis.  Relative costs assigned by the client<\/li>\r\n<\/ul>\r\n<figure id=\"attachment_913\" aria-describedby=\"caption-attachment-913\" style=\"width: 450px\" class=\"wp-caption alignright\"><img decoding=\"async\" src=\"http:\/\/johnbrear-plantintegrity.com\/wp-content\/uploads\/2019\/01\/Altona-ppework.gif\" alt=\"\" width=\"450\" height=\"275\" class=\"size-full wp-image-913\" \/><figcaption id=\"caption-attachment-913\" class=\"wp-caption-text\">Failure probability distribution along a  pipe run<\/figcaption><\/figure>\r\n<p><strong>Benefits:<\/strong><\/p>\r\n<ul>\r\n    <li>Critical locations identified on each line<\/li>\r\n    <li>Failure risk calculated for each location at next four scheduled outages<\/li>\r\n    <li>Failure risk for each line computed from those for individual locations<\/li>\r\n    <li>Inspection and maintenance plan formulated and implemented<\/li>\r\n<\/ul>\r\n<p><strong>Published:<\/strong><\/p>\r\n<p>Brear, J.M. and Williamson, J., <br \/>\r\n\u201cIntegrity and life assessment of catalytic reformer units\u201d<br \/>\r\nChapter 2 of  EFC Publication 42 \u2018Corrosion in Refineries\u2019, eds Harston, J.D., Ropital, F.<br \/>\r\nInst Materials, Minerals and Mining, London, July 2007,  pp 18-46<\/p>\r\n<p>Barrien, P., Jarvis P., Townsend R.D.<br \/>\r\n\u201cRisk-Based Inspection and Maintenance Optimisation of High Temperature Plant\u201d<br \/>\r\nOperating Pressure Equipment Conference.  Brisbane, Australia, 7-11 April 1997.<\/p>","protected":false},"excerpt":{"rendered":"<p>Plant: Interconnecting pipework on a Platformer unit at an Australasian refinery, operating in the creep range with a service life of 220,000 h Objective: Formulation of a risk-based inspection and maintenance programme Approach: Classical pipework stress analysis, validated by comparing predicted and observed hot-cold movements Probabilistic creep life prediction Consequences of failure classified according to &hellip; <a href=\"https:\/\/johnbrear-plantintegrity.com\/?page_id=909\" class=\"more-link\">Continue reading <span class=\"screen-reader-text\">Risk-based inspection planning for pipework<\/span> <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"parent":165,"menu_order":3,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-909","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/johnbrear-plantintegrity.com\/index.php?rest_route=\/wp\/v2\/pages\/909","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/johnbrear-plantintegrity.com\/index.php?rest_route=\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/johnbrear-plantintegrity.com\/index.php?rest_route=\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/johnbrear-plantintegrity.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/johnbrear-plantintegrity.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=909"}],"version-history":[{"count":5,"href":"https:\/\/johnbrear-plantintegrity.com\/index.php?rest_route=\/wp\/v2\/pages\/909\/revisions"}],"predecessor-version":[{"id":912,"href":"https:\/\/johnbrear-plantintegrity.com\/index.php?rest_route=\/wp\/v2\/pages\/909\/revisions\/912"}],"up":[{"embeddable":true,"href":"https:\/\/johnbrear-plantintegrity.com\/index.php?rest_route=\/wp\/v2\/pages\/165"}],"wp:attachment":[{"href":"https:\/\/johnbrear-plantintegrity.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=909"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}