{"id":4725,"date":"2026-01-25T06:15:02","date_gmt":"2026-01-25T06:15:02","guid":{"rendered":"https:\/\/www.pipetechservice.com\/?p=4725"},"modified":"2026-06-20T01:27:54","modified_gmt":"2026-06-20T01:27:54","slug":"how-is-hot-tapping-used-in-the-water-wastewater-industry-for-system-upgrades-without-service-interruption","status":"publish","type":"post","link":"https:\/\/www.pipetechservice.com\/fr\/how-is-hot-tapping-used-in-the-water-wastewater-industry-for-system-upgrades-without-service-interruption\/","title":{"rendered":"Comment le taraudage \u00e0 chaud est-il utilis\u00e9 dans l'industrie de l'eau et des eaux us\u00e9es pour moderniser les syst\u00e8mes sans interruption de service ?"},"content":{"rendered":"<p>Le per\u00e7age \u00e0 chaud est une technologie d\u2019intervention sur les canalisations essentielle, utilis\u00e9e dans le secteur de l\u2019eau et des eaux us\u00e9es pour r\u00e9aliser des mises \u00e0 niveau, des r\u00e9parations et des modifications du r\u00e9seau sans interrompre le fonctionnement de la canalisation, \u00e9vitant ainsi des coupures de service co\u00fbteuses. Cette m\u00e9thode consiste \u00e0 souder un raccord de d\u00e9rivation sur une canalisation sous pression en service, puis \u00e0 utiliser une foreuse sp\u00e9cialis\u00e9e pour cr\u00e9er une ouverture. Pour les modernisations indispensables des infrastructures vieillissantes \u2014 qu\u2019il s\u2019agisse de remplacer des conduites principales en b\u00e9ton arriv\u00e9es en fin de vie ou d\u2019ajouter de nouvelles d\u00e9rivations en vue de l\u2019extension du r\u00e9seau \u2014, le per\u00e7age \u00e0 chaud offre une solution s\u00fbre, \u00e9conomique et efficace qui permet de maintenir l\u2019approvisionnement continu en eau et l\u2019\u00e9vacuation des eaux us\u00e9es. Cet article explique les principes fondamentaux, d\u00e9taille le processus \u00e9tape par \u00e9tape, explore ses principales applications dans le secteur et pr\u00e9sente les consid\u00e9rations essentielles en mati\u00e8re de s\u00e9curit\u00e9 et d\u2019ing\u00e9nierie qui garantissent une ex\u00e9cution r\u00e9ussie et fiable.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-core-principle-how-does-hot-tapping-work-without-shutting-off-the-flow\"><strong>Principe fondamental : comment fonctionne le raccordement \u00e0 chaud sans interrompre le d\u00e9bit ?<\/strong><\/h3>\n\n\n\n<p>Le per\u00e7age \u00e0 chaud consiste \u00e0 cr\u00e9er une enceinte \u00e9tanche et sous pression autour de la zone d'intervention, ce qui permet d'acc\u00e9der \u00e0 la canalisation sans interrompre l'\u00e9coulement de son contenu. Ce principe repose sur une isolation et une d\u00e9rivation contr\u00f4l\u00e9es.<\/p>\n\n\n\n<p>L'objectif principal est d'isoler temporairement un tron\u00e7on de canalisation sp\u00e9cifique pour y effectuer des travaux, tout en maintenant l'ensemble du r\u00e9seau en service. Cela s'effectue souvent gr\u00e2ce \u00e0 une proc\u00e9dure appel\u00e9e \u00ab obturation \u00bb ou \u00ab arr\u00eat de conduite \u00bb. Une configuration courante est celle du \u00ab double blocage et d\u00e9rivation \u00bb : deux raccordements \u00e0 chaud sont r\u00e9alis\u00e9s en amont et en aval du tron\u00e7on sur lequel les travaux doivent \u00eatre effectu\u00e9s. Des t\u00eates d\u2019obturation sont ins\u00e9r\u00e9es dans ces raccords pour interrompre l\u2019\u00e9coulement dans cette section, tandis qu\u2019une conduite de d\u00e9rivation temporaire d\u00e9tourne l\u2019eau ou les eaux us\u00e9es. Cela permet de remplacer en toute s\u00e9curit\u00e9 des vannes, des pompes ou des segments de canalisation entiers sans aucune perturbation pour les utilisateurs en aval.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-the-step-by-step-hot-tapping-procedure\"><strong>La proc\u00e9dure \u00e9tape par \u00e9tape du per\u00e7age \u00e0 chaud<\/strong><\/h3>\n\n\n\n<p>La r\u00e9alisation d'un raccordement \u00e0 chaud n\u00e9cessite une planification minutieuse, un \u00e9quipement sp\u00e9cialis\u00e9 et le respect rigoureux des proc\u00e9dures. Le tableau ci-dessous pr\u00e9sente les principales \u00e9tapes, de la planification initiale \u00e0 la remise en service du r\u00e9seau.<\/p>\n\n\n\n<p><em>Tableau : S\u00e9quence standard de la proc\u00e9dure de per\u00e7age \u00e0 chaud<\/em><\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th><strong>Sc\u00e8ne<\/strong><\/th><th><strong>Activit\u00e9s principales<\/strong><\/th><th><strong>Objectif et \u00e9l\u00e9ments \u00e0 prendre en compte<\/strong><\/th><\/tr><\/thead><tbody><tr><td><strong>1. Planification et conception<\/strong><\/td><td>\u00c9valuation des canalisations (mat\u00e9riau, \u00e9paisseur de paroi, pression), conception des raccords, calcul des d\u00e9rivations, \u00e9valuation des risques.<\/td><td>Garantit que la conduite est adapt\u00e9e aux travaux \u00e0 chaud et que la proc\u00e9dure est con\u00e7ue pour r\u00e9sister aux contraintes op\u00e9rationnelles.<\/td><\/tr><tr><td><strong>2. Pr\u00e9paration<\/strong><\/td><td>Installer un raccord en selle ou un raccord en T fendu ; souder la tubulure \u00e0 la canalisation (pour les tuyaux m\u00e9talliques).<\/td><td>Permet de r\u00e9aliser un raccordement en d\u00e9rivation permanent et r\u00e9sistant \u00e0 la pression. Le flux de fluide refroidit la zone de soudure.<\/td><\/tr><tr><td><strong>3. Installation de la machine<\/strong><\/td><td>Installez la machine de per\u00e7age \u00e0 chaud (\u00e9quip\u00e9e d'une perceuse et d'une fraise) sur la vanne et le raccord d\u00e9j\u00e0 install\u00e9s.<\/td><td>Elle offre un environnement herm\u00e9tique pour la d\u00e9coupe. La machine est \u00e9quip\u00e9e d'une vanne permettant d'isoler la lame apr\u00e8s la d\u00e9coupe.<\/td><\/tr><tr><td><strong>4. Op\u00e9ration de taraudage<\/strong><\/td><td>Percez la paroi du tuyau ; retirez la fraise et le \u00e9chantillon (le morceau de tuyau d\u00e9coup\u00e9) ; fermez la vanne.<\/td><td>La d\u00e9coupe est effectu\u00e9e \u00e0 l'int\u00e9rieur de la chambre herm\u00e9tique. L'\u00e9chantillon est maintenu en place pour l'emp\u00eacher d'\u00eatre entra\u00een\u00e9 par le flux.<\/td><\/tr><tr><td><strong>5. Ach\u00e8vement<\/strong><\/td><td>Retirez la machine \u00e0 tarauder ; laissez la nouvelle vanne et le raccord de d\u00e9rivation en place pour une utilisation ult\u00e9rieure.<\/td><td>Le nouveau raccordement est d\u00e9sormais pr\u00eat pour le raccordement, le branchement ou l'installation des instruments.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p><em>Illustration : sch\u00e9ma d'une op\u00e9ration de raccordement \u00e0 chaud<\/em><br><em>Sch\u00e9ma repr\u00e9sentant une conduite d'eau sous pression \u00e9quip\u00e9e d'un raccord en T fendu soud\u00e9. Une vanne est mont\u00e9e sur ce raccord, et la machine de per\u00e7age \u00e0 chaud est fix\u00e9e \u00e0 la vanne. On voit ici la fraise en train de percer la paroi de la conduite, tandis qu'une d\u00e9rivation temporaire montre comment le d\u00e9bit est maintenu en contournant la zone d'intervention en aval.<\/em><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-primary-applications-in-water-wastewater-systems\"><strong>Principales applications dans les r\u00e9seaux d'eau et d'assainissement<\/strong><\/h3>\n\n\n\n<p>Cette technologie est indispensable \u00e0 l'entretien et \u00e0 la modernisation des infrastructures souterraines essentielles. Ses principales applications sont les suivantes :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Extension du r\u00e9seau et nouveaux raccordements :<\/strong>\u00a0Ajouter de nouvelles d\u00e9rivations pour desservir des zones en d\u00e9veloppement ou raccorder de nouvelles installations sans avoir \u00e0 mettre hors service de larges portions du r\u00e9seau de distribution.<\/li>\n\n\n\n<li><strong>Remplacement et d\u00e9placement de canalisations :<\/strong>\u00a0Permettre le remplacement des tron\u00e7ons vieillissants ou d\u00e9faillants de canalisations cylindriques en b\u00e9ton pr\u00e9contraint (PCCP) ou d'autres mat\u00e9riaux<a href=\"https:\/\/ascelibrary.org\/doi\/10.1061\/9780784479360.133\" target=\"_blank\" rel=\"noreferrer noopener\">-9<\/a>. Une d\u00e9rivation permet de maintenir le syst\u00e8me en service pendant le d\u00e9blayage de l'ancienne canalisation et la pose de la nouvelle.<\/li>\n\n\n\n<li><strong>R\u00e9parations d'urgence et colmatage des fuites :<\/strong>\u00a0Isoler une section pr\u00e9sentant une fuite afin d'effectuer une r\u00e9paration sans avoir \u00e0 proc\u00e9der \u00e0 un arr\u00eat complet du syst\u00e8me, ce qui est essentiel pour pr\u00e9venir les incidents environnementaux et les interruptions de service.<\/li>\n\n\n\n<li><strong>Installation des \u00e9quipements de surveillance :<\/strong>\u00a0Fournir des points d'acc\u00e8s permettant d'installer des capteurs destin\u00e9s \u00e0 la surveillance de la pression, de la qualit\u00e9 ou du d\u00e9bit, afin de soutenir les initiatives en faveur de r\u00e9seaux d'eau intelligents.<\/li>\n\n\n\n<li><strong>Installation et remplacement de vannes et de bouches d'incendie :<\/strong>\u00a0Permettre l'ajout ou le remplacement de points de contr\u00f4le et d'acc\u00e8s avec un impact minimal sur le service.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-critical-safety-engineering-and-economic-considerations\"><strong>Consid\u00e9rations essentielles en mati\u00e8re de s\u00e9curit\u00e9, d'ing\u00e9nierie et d'\u00e9conomie<\/strong><\/h3>\n\n\n\n<p>Bien qu'elle soit tr\u00e8s efficace, la perforation \u00e0 chaud est une activit\u00e9 intrins\u00e8quement dangereuse, class\u00e9e comme un \u00e9v\u00e9nement de perte de confinement contr\u00f4l\u00e9e. Son succ\u00e8s d\u00e9pend du respect de protocoles rigoureux en mati\u00e8re de s\u00e9curit\u00e9 et d'ing\u00e9nierie.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>S\u00e9curit\u00e9 et gestion des risques :<\/strong>\u00a0La mise en place d'une proc\u00e9dure officielle de s\u00e9curit\u00e9 au travail (SWP) est obligatoire. Cela implique de d\u00e9montrer qu'un \u201c pr\u00e9l\u00e8vement \u00e0 froid \u201d (sur une conduite \u00e0 l'arr\u00eat et vide) n'est pas r\u00e9alisable. Une \u00e9valuation approfondie des risques doit prendre en compte la composition chimique du fluide, la pression, la composition m\u00e9tallurgique de la conduite et l'\u00e9paisseur de sa paroi. Les op\u00e9rations sur des conduites contenant des mati\u00e8res hautement toxiques ou soumises \u00e0 des temp\u00e9ratures extr\u00eames peuvent \u00eatre interdites.<\/li>\n\n\n\n<li><strong>Conception technique et forces :<\/strong>\u00a0Ce proc\u00e9d\u00e9 g\u00e9n\u00e8re des forces de pouss\u00e9e importantes lors du forage et du colmatage. Ces forces doivent \u00eatre correctement contenues \u00e0 l'aide de blocs de pouss\u00e9e ou de syst\u00e8mes d'ancrage sp\u00e9cialement con\u00e7us \u00e0 cet effet, afin d'\u00e9viter tout d\u00e9placement de l'\u00e9quipement et de pr\u00e9server l'int\u00e9grit\u00e9 de l'\u00e9tanch\u00e9it\u00e9.<\/li>\n\n\n\n<li><strong>Justification \u00e9conomique :<\/strong>\u00a0Le principal facteur \u00e9conomique est la volont\u00e9 d'\u00e9viter les co\u00fbts li\u00e9s aux temps d'arr\u00eat. Pour les conduites de transport de grand diam\u00e8tre, le co\u00fbt d\u2019un arr\u00eat prolong\u00e9 \u2014 en termes de perte de recettes, d\u2019approvisionnement d\u2019urgence en eau et de perturbations sociales \u2014 peut atteindre des dizaines de millions de dollars, ce qui d\u00e9passe de loin le co\u00fbt de la proc\u00e9dure de raccordement \u00e0 chaud elle-m\u00eame. Cela permet \u00e9galement d\u2019\u00e9viter des travaux d\u2019excavation et de remise en \u00e9tat de grande envergure.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-faq-common-questions-about-hot-tapping\"><strong>FAQ : Questions fr\u00e9quentes sur le per\u00e7age \u00e0 chaud<\/strong><\/h3>\n\n\n\n<p><strong>Q : Quels mat\u00e9riaux peuvent faire l'objet d'un raccordement \u00e0 chaud ?<\/strong><br>R : Ce proc\u00e9d\u00e9 est couramment utilis\u00e9 pour les canalisations en acier, en fonte ductile et en divers mat\u00e9riaux plastiques (comme le PE). Il s'agit \u00e9galement d'une technique essentielle pour l'entretien et le remplacement des canalisations en b\u00e9ton sous pression de grand diam\u00e8tre. La canalisation doit \u00eatre inspect\u00e9e afin de v\u00e9rifier que l'\u00e9paisseur de paroi est suffisante et que son int\u00e9grit\u00e9 structurelle est pr\u00e9serv\u00e9e.<\/p>\n\n\n\n<p><strong>Q : Le raccordement \u00e0 chaud est-il sans danger pour les canalisations d'eau potable ?<\/strong><br>R : Oui, \u00e0 condition que cette op\u00e9ration soit effectu\u00e9e par des professionnels qualifi\u00e9s utilisant du mat\u00e9riel et des proc\u00e9dures adapt\u00e9s aux r\u00e9seaux d'eau potable. Le processus se d\u00e9roule dans un environnement herm\u00e9tique, ce qui emp\u00eache toute contamination.<\/p>\n\n\n\n<p><strong>Q : Quelle est la diff\u00e9rence entre le per\u00e7age \u00e0 chaud et l'arr\u00eat de conduite ?<\/strong><br>R : Le \u00ab hot tapping \u00bb d\u00e9signe sp\u00e9cifiquement la cr\u00e9ation d'une ouverture dans une conduite sous tension. L'arr\u00eat de conduite (ou \u00ab plugging \u00bb) utilise un \u00ab hot tap \u00bb comme point d'acc\u00e8s pour ins\u00e9rer une t\u00eate d'obturation afin d'interrompre temporairement le d\u00e9bit dans une section de conduite. Ces deux techniques sont souvent utilis\u00e9es conjointement.<\/p>\n\n\n\n<p><strong>Q : Qui effectue g\u00e9n\u00e9ralement ce travail ?<\/strong><br>R : Des entreprises sp\u00e9cialis\u00e9es disposant d'un personnel certifi\u00e9, d'\u00e9quipements propres et d'une grande exp\u00e9rience dans les travaux sur des canalisations en service. Elles travaillent en collaboration avec les ing\u00e9nieurs des services publics et les chefs de projet pour planifier et mener \u00e0 bien l'op\u00e9ration.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-partner-with-jsw-for-your-critical-pipeline-upgrades\"><strong>Faites appel \u00e0 JSW pour vos travaux de modernisation essentiels de vos canalisations<\/strong><\/h2>\n\n\n\n<p>Depuis plus de deux d\u00e9cennies, JSW s'impose comme un leader de r\u00e9f\u00e9rence dans la fourniture de services de per\u00e7age \u00e0 chaud et d'intervention sur les canalisations de pointe destin\u00e9s au secteur mondial de l'eau et des eaux us\u00e9es. Notre expertise ne se limite pas \u00e0 la simple ex\u00e9cution des travaux ; nous proposons des solutions techniques qui privil\u00e9gient l'int\u00e9grit\u00e9 des r\u00e9seaux, la s\u00e9curit\u00e9 et la rentabilit\u00e9.<\/p>\n\n\n\n<p>Notre approche allie une connaissance approfondie du secteur \u00e0 une technologie de pointe : notre \u00e9quipe d\u2019ing\u00e9nieurs et de techniciens certifi\u00e9s r\u00e9alise une planification pr\u00e9-intervention exhaustive ainsi que des \u00e9valuations d\u2019aptitude au service, en s\u2019appuyant sur des outils d\u2019analyse exclusifs pour mod\u00e9liser les effets thermiques et les forces de pouss\u00e9e, garantissant ainsi que chaque intervention est con\u00e7ue pour r\u00e9ussir. Nous disposons d\u2019un parc d\u2019\u00e9quipements \u00e0 la pointe de la technologie\u00a0<a href=\"https:\/\/www.pipetechservice.com\/fr\/product-category\/pipeline-hot-tapping-machine\/\">mat\u00e9riel de raccordement et de bouchage \u00e0 chaud<\/a>\u00a0capable de traiter des diam\u00e8tres allant de 2 pouces \u00e0 plus de 90 pouces, y compris des syst\u00e8mes sp\u00e9cialis\u00e9s pour les mat\u00e9riaux difficiles \u00e0 traiter, tels que les tuyaux cylindriques en b\u00e9ton.<\/p>\n\n\n\n<p>Nous savons que le plus important est d\u2019assurer la continuit\u00e9 de votre approvisionnement en eau. En choisissant JSW comme prestataire, vous b\u00e9n\u00e9ficiez d\u2019un partenaire qui s\u2019engage \u00e0 r\u00e9aliser la modernisation de vos installations, leur entretien et les r\u00e9parations d\u2019urgence avec pr\u00e9cision et sans aucune interruption de service. Contactez d\u00e8s aujourd\u2019hui notre \u00e9quipe d\u2019ing\u00e9nieurs pour discuter de votre prochain projet et d\u00e9couvrir comment nos services sur mesure peuvent vous apporter la solution fiable et sans tranch\u00e9e dont vous avez besoin.<\/p>\n\n\n\n<p><strong>Auteur :<\/strong>&nbsp;David Chen, ing\u00e9nieur senior en pipelines |&nbsp;<strong>Derni\u00e8re mise \u00e0 jour :<\/strong>&nbsp;25 janvier 2026<br><strong>Contexte officiel :<\/strong>&nbsp;David est un ing\u00e9nieur agr\u00e9\u00e9 (P.E.) qui compte 15 ans d'exp\u00e9rience dans les domaines de l'int\u00e9grit\u00e9 des canalisations, de leur r\u00e9habilitation et des technologies sans tranch\u00e9e. Il est l'auteur de plusieurs articles techniques sur les interventions sur canalisations en service et supervise la conception technique de tous les grands projets chez JSW.<\/p>","protected":false},"excerpt":{"rendered":"<p>Hot tapping is a critical pipeline intervention technology used in the water and wastewater industry to perform system upgrades, repairs, and modifications while the pipeline remains in full operation, thereby avoiding costly service interruptions.\u00a0This method involves welding a branch connection onto a live, pressurized pipe and then using a specialized drilling machine to create an [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":4727,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_surecart_dashboard_logo_width":"180px","_surecart_dashboard_show_logo":true,"_surecart_dashboard_navigation_orders":true,"_surecart_dashboard_navigation_invoices":true,"_surecart_dashboard_navigation_subscriptions":true,"_surecart_dashboard_navigation_downloads":true,"_surecart_dashboard_navigation_billing":true,"_surecart_dashboard_navigation_account":true,"_uag_custom_page_level_css":"","site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[340],"tags":[229,419,92,421,420],"class_list":["post-4725","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-hot-tapping","tag-line-stopping-procedure","tag-pipeline-plugging","tag-trenchless-pipeline-repair","tag-water-system-upgrade-without-shutdown"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v24.5 (Yoast SEO v27.4) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Hot Tapping Explained: The Guide to Water System Upgrades Without Shutdowns - JSW<\/title>\n<meta name=\"description\" content=\"Learn how hot tapping enables critical water &amp; wastewater pipeline upgrades without service interruption. 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