{"id":2194,"date":"2025-07-19T06:04:53","date_gmt":"2025-07-19T06:04:53","guid":{"rendered":"https:\/\/pipetechservice.com\/?p=2194"},"modified":"2026-06-20T02:05:55","modified_gmt":"2026-06-20T02:05:55","slug":"pipeline-replacement-and-encroachment-remediation-project","status":"publish","type":"post","link":"https:\/\/www.pipetechservice.com\/fr\/pipeline-replacement-and-encroachment-remediation-project\/","title":{"rendered":"Pipeline Replacement and Encroachment Remediation Project"},"content":{"rendered":"<h3 class=\"wp-block-heading\" id=\"h-project-overview\">Aper\u00e7u du projet<\/h3>\n\n\n\n<p>This project addresses\u00a0safety hazards caused by pipeline encroachment\u00a0near residential areas in\u00a0Mayidian Village, Wuyuan Township, Yueyang County, Hunan Province. The existing pipeline, originally installed via\u00a0directional drilling under National Highway 107, poses risks due to its proximity to populated areas.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-key-construction-details\">Key Construction Details:<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Method:<\/strong>&nbsp;<strong>Double-sided single isolation (DN406 double block and bleed)<\/strong>&nbsp;with oil drainage and cold cutting<\/li>\n\n\n\n<li><strong>Welding Classification:<\/strong>&nbsp;Special-grade hot work permit required<\/li>\n\n\n\n<li><strong>Localisation :<\/strong>&nbsp;<strong>56km+400m mark<\/strong>&nbsp;of Chang-Chun Pipeline<\/li>\n<\/ul>\n\n\n\n<div class=\"wp-block-group is-nowrap is-layout-flex wp-container-core-group-is-layout-6c531013 wp-block-group-is-layout-flex\">\n<div class=\"wp-block-uagb-image uagb-block-684f3674 wp-block-uagb-image--layout-default wp-block-uagb-image--effect-static wp-block-uagb-image--align-none\"><figure class=\"wp-block-uagb-image__figure\"><img loading=\"lazy\" decoding=\"async\" srcset=\"https:\/\/pipetechservice.com\/wp-content\/uploads\/2025\/07\/Pipeline_Replacement_Encroachment_Remediation-4-3.jpg ,https:\/\/pipetechservice.com\/wp-content\/uploads\/2025\/07\/Pipeline_Replacement_Encroachment_Remediation-4-3.jpg 780w, https:\/\/pipetechservice.com\/wp-content\/uploads\/2025\/07\/Pipeline_Replacement_Encroachment_Remediation-4-3.jpg 360w\" sizes=\"auto, (max-width: 480px) 150px\" src=\"https:\/\/pipetechservice.com\/wp-content\/uploads\/2025\/07\/Pipeline_Replacement_Encroachment_Remediation-4-3.jpg\" alt=\"Pipeline_Replacement_Encroachment_Remediation\" class=\"uag-image-2227\" width=\"670\" height=\"380\" title=\"Pipeline_Replacement_Encroachment_Remediation-4-3\" role=\"img\" \/><\/figure><\/div>\n\n\n\n<div class=\"wp-block-uagb-image uagb-block-3cd66e33 wp-block-uagb-image--layout-default wp-block-uagb-image--effect-static wp-block-uagb-image--align-none\"><figure class=\"wp-block-uagb-image__figure\"><img loading=\"lazy\" decoding=\"async\" srcset=\"https:\/\/pipetechservice.com\/wp-content\/uploads\/2025\/07\/Pipeline_Replacement_Encroachment_Remediation-4-4.jpg ,https:\/\/pipetechservice.com\/wp-content\/uploads\/2025\/07\/Pipeline_Replacement_Encroachment_Remediation-4-4.jpg 780w, https:\/\/pipetechservice.com\/wp-content\/uploads\/2025\/07\/Pipeline_Replacement_Encroachment_Remediation-4-4.jpg 360w\" sizes=\"auto, (max-width: 480px) 150px\" src=\"https:\/\/pipetechservice.com\/wp-content\/uploads\/2025\/07\/Pipeline_Replacement_Encroachment_Remediation-4-4.jpg\" alt=\"Pipeline_Replacement_Encroachment_Remediation\" class=\"uag-image-2228\" width=\"670\" height=\"380\" title=\"Pipeline_Replacement_Encroachment_Remediation-4-4\" role=\"img\" \/><\/figure><\/div>\n<\/div>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-pipeline-specifications\">Pipeline Specifications:<\/h4>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Param\u00e8tres<\/th><th>New Pipeline<\/th><th>Existing Pipeline<\/th><\/tr><\/thead><tbody><tr><td><strong>Diam\u00e8tre<\/strong><\/td><td>D406.4mm<\/td><td>D406.4mm<\/td><\/tr><tr><td><strong>Wall Thickness<\/strong><\/td><td>9.5mm (PSL2 L415M SAW)<\/td><td>7.1mm (L415MB ERW)<\/td><\/tr><tr><td><strong>Pression de conception<\/strong><\/td><td>10 MPa<\/td><td>10 MPa<\/td><\/tr><tr><td><strong>Process<\/strong><\/td><td>Spiral submerged arc welding<\/td><td>High-frequency straight seam welding<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-safety-measures\">Safety Measures:<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Electrostatic discharge<\/strong>&nbsp;using clamp-equipped grounding wires<\/li>\n\n\n\n<li><strong>Advanced double-block isolation<\/strong>&nbsp;for zero-leakage assurance<\/li>\n\n\n\n<li><strong>Strict sequence control<\/strong>&nbsp;for operational safety<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-construction-scope-amp-schedule\">Construction Scope &amp; Schedule<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Work Scope:<\/strong>&nbsp;DN406 double block and bleed isolation<\/li>\n\n\n\n<li><strong>Dur\u00e9e de l'enqu\u00eate :<\/strong>&nbsp;<strong>May 23\u201327, 2024<\/strong><\/li>\n<\/ul>\n\n\n\n<div class=\"wp-block-group is-nowrap is-layout-flex wp-container-core-group-is-layout-6c531013 wp-block-group-is-layout-flex\">\n<div class=\"wp-block-uagb-image uagb-block-ed7c8606 wp-block-uagb-image--layout-default wp-block-uagb-image--effect-static wp-block-uagb-image--align-none\"><figure class=\"wp-block-uagb-image__figure\"><img loading=\"lazy\" decoding=\"async\" srcset=\"https:\/\/pipetechservice.com\/wp-content\/uploads\/2025\/07\/Pipeline_Replacement_Encroachment_Remediation-4-2.jpg ,https:\/\/pipetechservice.com\/wp-content\/uploads\/2025\/07\/Pipeline_Replacement_Encroachment_Remediation-4-2.jpg 780w, https:\/\/pipetechservice.com\/wp-content\/uploads\/2025\/07\/Pipeline_Replacement_Encroachment_Remediation-4-2.jpg 360w\" sizes=\"auto, (max-width: 480px) 150px\" src=\"https:\/\/pipetechservice.com\/wp-content\/uploads\/2025\/07\/Pipeline_Replacement_Encroachment_Remediation-4-2.jpg\" alt=\"Pipeline_Replacement_Encroachment_Remediation\" class=\"uag-image-2226\" width=\"670\" height=\"380\" title=\"Pipeline_Replacement_Encroachment_Remediation-4-2\" role=\"img\" \/><\/figure><\/div>\n\n\n\n<div class=\"wp-block-uagb-image uagb-block-9bd4ded8 wp-block-uagb-image--layout-default wp-block-uagb-image--effect-static wp-block-uagb-image--align-none\"><figure class=\"wp-block-uagb-image__figure\"><img loading=\"lazy\" decoding=\"async\" srcset=\"https:\/\/pipetechservice.com\/wp-content\/uploads\/2025\/07\/Pipeline_Replacement_Encroachment_Remediation-4-1.jpg ,https:\/\/pipetechservice.com\/wp-content\/uploads\/2025\/07\/Pipeline_Replacement_Encroachment_Remediation-4-1.jpg 780w, https:\/\/pipetechservice.com\/wp-content\/uploads\/2025\/07\/Pipeline_Replacement_Encroachment_Remediation-4-1.jpg 360w\" sizes=\"auto, (max-width: 480px) 150px\" src=\"https:\/\/pipetechservice.com\/wp-content\/uploads\/2025\/07\/Pipeline_Replacement_Encroachment_Remediation-4-1.jpg\" alt=\"Pipeline_Replacement_Encroachment_Remediation\" class=\"uag-image-2225\" width=\"670\" height=\"380\" title=\"Pipeline_Replacement_Encroachment_Remediation-4-1\" role=\"img\" \/><\/figure><\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>Project Overview This project addresses\u00a0safety hazards caused by pipeline encroachment\u00a0near residential areas in\u00a0Mayidian Village, Wuyuan Township, Yueyang County, Hunan Province. The existing pipeline, originally installed via\u00a0directional drilling under National Highway 107, poses risks due to its proximity to populated areas. Key Construction Details: Pipeline Specifications: Parameter New Pipeline Existing Pipeline Diameter D406.4mm D406.4mm Wall Thickness [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":2226,"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":[1],"tags":[75,17,16],"class_list":["post-2194","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-projects","tag-jsw-projects","tag-pipeline-encroachment-remediation","tag-pipeline-replacement"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v24.5 (Yoast SEO v28.1) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Pipeline Replacement and Encroachment Remediation Project - JSW Pipeline Service<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.pipetechservice.com\/fr\/pipeline-replacement-and-encroachment-remediation-project\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Pipeline Replacement and Encroachment Remediation Project\" \/>\n<meta property=\"og:description\" content=\"Project Overview This project addresses\u00a0safety hazards caused by pipeline encroachment\u00a0near residential areas in\u00a0Mayidian Village, Wuyuan Township, Yueyang County, Hunan Province. The existing pipeline, originally installed via\u00a0directional drilling under National Highway 107, poses risks due to its proximity to populated areas. Key Construction Details: Pipeline Specifications: Parameter New Pipeline Existing Pipeline Diameter D406.4mm D406.4mm Wall Thickness [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.pipetechservice.com\/fr\/pipeline-replacement-and-encroachment-remediation-project\/\" \/>\n<meta property=\"og:site_name\" content=\"JSW Pipeline Service\" \/>\n<meta property=\"article:published_time\" content=\"2025-07-19T06:04:53+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-06-20T02:05:55+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.pipetechservice.com\/wp-content\/uploads\/2025\/07\/Pipeline_Replacement_Encroachment_Remediation-4-2.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"670\" \/>\n\t<meta property=\"og:image:height\" content=\"380\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"jasonsong889@gmail.com\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u00c9crit par\" \/>\n\t<meta name=\"twitter:data1\" content=\"jasonsong889@gmail.com\" \/>\n\t<meta name=\"twitter:label2\" content=\"Dur\u00e9e de lecture estim\u00e9e\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"TechArticle\",\"@id\":\"https:\\\/\\\/www.pipetechservice.com\\\/pipeline-replacement-and-encroachment-remediation-project\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.pipetechservice.com\\\/pipeline-replacement-and-encroachment-remediation-project\\\/\"},\"author\":{\"name\":\"jasonsong889@gmail.com\",\"@id\":\"https:\\\/\\\/www.pipetechservice.com\\\/#\\\/schema\\\/person\\\/c2f337d45f7612353b91c42331c72259\"},\"headline\":\"Pipeline Replacement and Encroachment Remediation Project\",\"datePublished\":\"2025-07-19T06:04:53+00:00\",\"dateModified\":\"2026-06-20T02:05:55+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/www.pipetechservice.com\\\/pipeline-replacement-and-encroachment-remediation-project\\\/\"},\"wordCount\":161,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\\\/\\\/www.pipetechservice.com\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/www.pipetechservice.com\\\/pipeline-replacement-and-encroachment-remediation-project\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.pipetechservice.com\\\/wp-content\\\/uploads\\\/2025\\\/07\\\/Pipeline_Replacement_Encroachment_Remediation-4-2.jpg\",\"keywords\":[\"JSW Projects\",\"Pipeline encroachment remediation\",\"Pipeline replacement\"],\"articleSection\":[\"Projects\"],\"inLanguage\":\"fr-FR\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\\\/\\\/www.pipetechservice.com\\\/pipeline-replacement-and-encroachment-remediation-project\\\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.pipetechservice.com\\\/pipeline-replacement-and-encroachment-remediation-project\\\/\",\"url\":\"https:\\\/\\\/www.pipetechservice.com\\\/pipeline-replacement-and-encroachment-remediation-project\\\/\",\"name\":\"Pipeline Replacement and Encroachment Remediation Project - 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Overview This project addresses\u00a0safety hazards caused by pipeline encroachment\u00a0near residential areas in\u00a0Mayidian Village, Wuyuan Township, Yueyang County, Hunan Province. 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