{"id":262904,"date":"2024-10-19T17:27:30","date_gmt":"2024-10-19T17:27:30","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/bsi-20-30409090-dc-2020\/"},"modified":"2024-10-25T13:19:18","modified_gmt":"2024-10-25T13:19:18","slug":"bsi-20-30409090-dc-2020","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/bsi\/bsi-20-30409090-dc-2020\/","title":{"rendered":"BSI 20\/30409090 DC 2020"},"content":{"rendered":"<p>This document contains requirements for the production and testing of weld joints for the installation and modification, including in-service welding, of onshore steel pipelines and pipework used in gas infrastructure. This includes all pressure ranges and processed, non-toxic and non-corrosive natural gas according to <span class=\"std\"><span class=\"std-ref\">EN&nbsp;ISO&nbsp;13686<\/span><\/span> and non-conventional gases such as (injected) biomethane and hydrogen, where:<\/p>\n<ul>\n<li>\n<p>the pipeline elements are made of unalloyed or low-alloyed carbon steel;<\/p>\n<\/li>\n<li>\n<p>the pipeline is not located within commercial or industrial premises as integral part of the industrial process on those premises except for any pipelines and facilities delivering gas to such premises;<\/p>\n<\/li>\n<li>\n<p>the pipework is not located within household installations according to <span class=\"std\"><span class=\"std-ref\">EN&nbsp;1775<\/span><\/span>;<\/p>\n<\/li>\n<li>\n<p>the design temperature of the system is between \u221240&nbsp;\u00b0C up to and including 120&nbsp;\u00b0C.<\/p>\n<\/li>\n<\/ul>\n<p>For injected biomethane or hydrogen a detailed technical evaluation of the functional requirements is required, ensuring there are no other constituents or properties of the gases that can affect the integrity of the pipeline.<\/p>\n<p>This document is not applicable to welds produced prior to the publication of this document.<\/p>\n<p><span class=\"xref\">Table&nbsp;1<\/span> assigns the application areas to quality requirement categories as a function of the working pressure and pipe materials used.<\/p>\n<p>When using this standard the following is defined by the pipeline operator, the applicable paragraph is given in brackets;<\/p>\n<ol type=\"a\">\n<li>\n<p>Applicable quality requirement category. (scope)<\/p>\n<\/li>\n<li>\n<p>Applicable quality requirements as defined in <span class=\"xref\">Table&nbsp;2<\/span>. (<span class=\"xref\">4.1<\/span>)<\/p>\n<\/li>\n<li>\n<p>Are there specific requirements on VT testing, personnel, and\/or qualification. (<span class=\"xref\">4.1<\/span>)<\/p>\n<\/li>\n<li>\n<p>Applicable welding qualification standards. (<span class=\"xref\">4.3<\/span>)<\/p>\n<\/li>\n<li>\n<p>Are all weld metal tensile tests required. (<span class=\"xref\">4.3<\/span>)<\/p>\n<\/li>\n<li>\n<p>When process 311 is used, applicable requirements for welder qualification. (<span class=\"xref\">4.4<\/span>)<\/p>\n<\/li>\n<li>\n<p>For category B and C, are batch certificates required for welding consumables, when required the pipeline operator has to define the contents of the certificate. (<span class=\"xref\">Clause&nbsp;5<\/span>)<\/p>\n<\/li>\n<li>\n<p>For filler materials not in accordance with listed European standards, is batch qualification with WPQR allowed. (<span class=\"xref\">Clause&nbsp;5<\/span>)<\/p>\n<\/li>\n<li>\n<p>If overmatching weld material is required. (<span class=\"xref\">Clause&nbsp;5<\/span>)<\/p>\n<\/li>\n<li>\n<p>If hot deformation for misalignment compensation is allowed for materials of <i>R<\/i><sub>t&nbsp;0,5<\/sub>&nbsp;\u2264&nbsp;360&nbsp;MPa. (<span class=\"xref\">6.2.2<\/span>)<\/p>\n<\/li>\n<li>\n<p>Is the weld always to be covered after completion of welding. (<span class=\"xref\">6.6<\/span>)<\/p>\n<\/li>\n<li>\n<p>For category&nbsp;D, requirements for repair welding procedures. (<span class=\"xref\">6.7<\/span>)<\/p>\n<\/li>\n<li>\n<p>Extent of NDT techniques. (<span class=\"xref\">8.2<\/span>)<\/p>\n<\/li>\n<li>\n<p>Alternative acceptance criteria when applicable. (<span class=\"xref\">8.3<\/span>)<\/p>\n<\/li>\n<li>\n<p>When alternative criteria in accordance with <span class=\"xref\">Annex&nbsp;G<\/span> are used, if alternative weld overmatching criteria are applicable.<\/p>\n<\/li>\n<\/ol>\n<div class=\"table-wrap\" id=\"tab_1\">\n<div class=\"table-label\">\n  Table&nbsp;1\n <\/div>\n<div class=\"table-title\">\n  Allocation to quality requirement categories\n <\/div>\n<\/div>\n<p>Additional requirements may be specified when, for example:<\/p>\n<ul>\n<li>\n<p>the strain on pipelines and systems,<\/p>\n<\/li>\n<li>\n<p>the materials,<\/p>\n<\/li>\n<li>\n<p>the line routing,<\/p>\n<\/li>\n<li>\n<p>the design or the welding technique<\/p>\n<\/li>\n<\/ul>\n<p>are considered critical.<\/p>\n<p>This document specifies common basic principles for gas infrastructure. Users of this document should be aware that there can exist more detailed national standards and\/or codes of practice in the CEN member countries.<\/p>\n<p>This document is intended to be applied in association with these national standards and\/or codes of practice setting out the above-mentioned basic principles.<\/p>\n<p>In the event of conflicts in terms of more restrictive requirements in national legislation\/regulation with the requirements of this document, the national legislation\/regulation takes precedence as illustrated in <span class=\"std\"><span class=\"std-ref\">CEN\/TR&nbsp;13737 (all parts)<\/span><\/span>.<\/p>\n<div class=\"non-normative-note\">\n<div class=\"note-label\">\n  NOTE\n <\/div>\n<p><span class=\"std\"><span class=\"std-ref\">CEN\/TR&nbsp;13737 (all parts)<\/span><\/span> contains:<\/p>\n<\/div>\n<ul>\n<li>\n<p>clarification of relevant legislation\/regulations applicable in a country;<\/p>\n<\/li>\n<li>\n<p>if appropriate, more restrictive national requirements;<\/p>\n<\/li>\n<li>\n<p>national contact point for the latest information.<\/p>\n<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p><b>BS EN 12732. Gas infrastructure. Welding steel pipework. Functional requirements<\/b><\/p>\n<table class=\"shortdes-table\" style=\"width: 100%\" border=\"0\" cellspacing=\"0\" cellpadding=\"0\">\n<tbody>\n<tr>\n<td>Published By<\/td>\n<td>Publication Date<\/td>\n<td>Number of Pages<\/td>\n<\/tr>\n<tr>\n<td><a href=\"https:\/\/pdfstandards.shop\/product-category\/publishers\/bsi\/\"><b>BSI<\/b><\/a><\/td>\n<td>2020<\/td>\n<td>82<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":262906,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[431,2641],"product_tag":[],"class_list":{"0":"post-262904","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-25-160-40","7":"product_cat-bsi","9":"first","10":"instock","11":"sold-individually","12":"shipping-taxable","13":"purchasable","14":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product\/262904","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media\/262906"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=262904"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=262904"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=262904"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}