{"id":3591,"date":"2018-12-12T22:36:13","date_gmt":"2018-12-12T21:36:13","guid":{"rendered":"https:\/\/topo4d.be\/leves-as-built-et-grb\/"},"modified":"2026-07-17T10:05:18","modified_gmt":"2026-07-17T08:05:18","slug":"leves-as-built-et-grb","status":"publish","type":"post","link":"https:\/\/topo4d.be\/fr\/leves-as-built-et-grb\/","title":{"rendered":"Lev\u00e9s as-built et GRB"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"3591\" class=\"elementor elementor-3591 elementor-2554\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"elementor-element elementor-element-7290723 e-flex e-con-boxed e-con e-parent\" data-id=\"7290723\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-7c8de42 elementor-widget elementor-widget-heading\" data-id=\"7c8de42\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h1 class=\"elementor-heading-title elementor-size-default\">Lev\u00e9s as-built et GRB<\/h1>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-b5e5285 e-flex e-con-boxed e-con e-parent\" data-id=\"b5e5285\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-f941fca elementor-widget elementor-widget-text-editor\" data-id=\"f941fca\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Lors d\u2019un <a href=\"https:\/\/topo4d.be\/fr\/geometre-expert\/\"><strong>lev\u00e9 as-built<\/strong><\/a>, on consigne apr\u00e8s l\u2019ex\u00e9cution des travaux <strong>la mani\u00e8re dont un projet a \u00e9t\u00e9 effectivement construit<\/strong>. Ces mesures donnent une repr\u00e9sentation correcte et actuelle de l\u2019\u00e9tat r\u00e9alis\u00e9 et constituent un maillon important entre l\u2019ex\u00e9cution, l\u2019administration et l\u2019am\u00e9nagement du territoire. <\/p>\n<p>Dans cet article, nous expliquons ce que sont les lev\u00e9s as-built et comment ils sont li\u00e9s au <strong>Geografisch Referentiebestand (GRB)<\/strong>.<\/p>\n<h2>Que sont les lev\u00e9s as-built ?<\/h2>\n<p>Les lev\u00e9s as-built sont des mesures pr\u00e9cises d\u2019une construction ou d\u2019une infrastructure <strong>apr\u00e8s l\u2019ex\u00e9cution des travaux<\/strong>. Ils permettent notamment de consigner : <\/p>\n<ul>\n<li>l\u2019emplacement et les dimensions des b\u00e2timents<\/li>\n<li>les fondations et les \u00e9l\u00e9ments constructifs<\/li>\n<li>les conduites, les \u00e9quipements d\u2019utilit\u00e9 publique et les rev\u00eatements<\/li>\n<li>les \u00e9carts par rapport \u00e0 la conception initiale<\/li>\n<\/ul>\n<p>L\u2019objectif n\u2019est pas de concevoir, mais de <strong>consigner objectivement ce qui a \u00e9t\u00e9 effectivement r\u00e9alis\u00e9.<\/strong><\/p>\n<h2>Pourquoi les lev\u00e9s as-built sont-ils importants ?<\/h2>\n<p><strong>Contr\u00f4le de qualit\u00e9<\/strong> <br\/>Les plans as-built d\u00e9montrent si l\u2019ex\u00e9cution correspond aux plans approuv\u00e9s et aux permis.<\/p>\n<p><strong>Documentation correcte<\/strong> <br\/>Ils constituent une base fiable pour l\u2019entretien futur, les transformations ou les extensions.<\/p>\n<p><a href=\"https:\/\/topo4d.be\/fr\/etats-des-lieux\/\"><strong>Valeur juridique et administrative<\/strong> <\/a><br\/>Les lev\u00e9s as-built peuvent servir de preuve lors de :<\/p>\n<ul>\n<li>dossiers de permis<\/li>\n<li>constats<\/li>\n<li>contestations ou r\u00e9gularisations<\/li>\n<\/ul>\n<h2>Qu\u2019est-ce que le GRB ?<\/h2>\n<p>Le <strong>Geografisch Referentiebestand (GRB)<\/strong> est un fichier de r\u00e9f\u00e9rence num\u00e9rique utilis\u00e9 en Flandre pour les donn\u00e9es spatiales. Il contient notamment des informations sur : <\/p>\n<ul>\n<li>les b\u00e2timents<\/li>\n<li>les parcelles<\/li>\n<li>les routes et infrastructures<\/li>\n<li>les cours d\u2019eau et le domaine public<\/li>\n<\/ul>\n<p>Les autorit\u00e9s et les soci\u00e9t\u00e9s d\u2019utilit\u00e9 publique utilisent le GRB comme <strong>r\u00e9f\u00e9rence pour la planification, la gestion et la politique<\/strong>.<\/p>\n<h2>Le lien entre l\u2019as-built et le GRB<\/h2>\n<p>Les lev\u00e9s as-built constituent souvent les <strong>donn\u00e9es sources<\/strong> pour l\u2019actualisation du GRB. Lorsque de nouveaux b\u00e2timents, routes ou infrastructures sont r\u00e9alis\u00e9s, les plans as-built garantissent que : <\/p>\n<ul>\n<li>les cartes num\u00e9riques correspondent \u00e0 la r\u00e9alit\u00e9<\/li>\n<li>les donn\u00e9es spatiales restent \u00e0 jour<\/li>\n<li>les informations sur la propri\u00e9t\u00e9 et les infrastructures sont g\u00e9r\u00e9es correctement<\/li>\n<\/ul>\n<p>Ainsi, le lev\u00e9 as-built forme le pont entre <strong>l\u2019ex\u00e9cution sur le terrain<\/strong> et <strong>les bases de donn\u00e9es spatiales num\u00e9riques.<\/strong><\/p>\n<h2>Comment les lev\u00e9s as-built sont-ils r\u00e9alis\u00e9s ?<\/h2>\n<p>Selon le projet, cela peut se faire avec :<\/p>\n<ul>\n<li>une <strong>station totale<\/strong> pour une haute pr\u00e9cision<\/li>\n<li>des <a href=\"https:\/\/topo4d.be\/fr\/leve-par-drone\/\"><strong>lev\u00e9s par drone<\/strong><\/a> pour des zones plus vastes ou difficiles d\u2019acc\u00e8s<\/li>\n<li>une combinaison de m\u00e9thodes de mesure<\/li>\n<\/ul>\n<p>Le choix d\u00e9pend de l\u2019\u00e9chelle, de la pr\u00e9cision requise et de l\u2019objectif du lev\u00e9.<\/p>\n<h2>En savoir plus ?<\/h2>\n<p>Avez-vous des questions sur les lev\u00e9s as-built ou leur r\u00f4le dans les enregistrements GRB ? <br>N\u2019h\u00e9sitez pas \u00e0 nous contacter pour plus d\u2019explications ou des conseils.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-1e3ecff e-flex e-con-boxed e-con e-parent\" data-id=\"1e3ecff\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-7a19d23 elementor-mobile-align-center elementor-widget elementor-widget-button\" data-id=\"7a19d23\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm elementor-animation-shrink\" href=\"https:\/\/topo4d.be\/fr\/contact\/\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t<span class=\"elementor-button-icon\">\n\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-caret-right\" viewBox=\"0 0 192 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M0 384.662V127.338c0-17.818 21.543-26.741 34.142-14.142l128.662 128.662c7.81 7.81 7.81 20.474 0 28.284L34.142 398.804C21.543 411.404 0 402.48 0 384.662z\"><\/path><\/svg>\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Contactez-nous ! <\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Lors d\u2019un lev\u00e9 as-built, la mani\u00e8re dont un projet a \u00e9t\u00e9 effectivement r\u00e9alis\u00e9 est consign\u00e9e. Ces donn\u00e9es servent souvent de base \u00e0 l\u2019actualisation du GRB. <\/p>\n","protected":false},"author":1,"featured_media":3592,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"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":"default","ast-page-background-enabled":"default","ast-page-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":"","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-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":"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":""},"mobile":{"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":""}},"footnotes":""},"categories":[60],"tags":[],"class_list":["post-3591","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-base-de-connaissances"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.9 (Yoast SEO v27.9) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Lev\u00e9s as-built et GRB : quelle est la diff\u00e9rence et le lien ?<\/title>\n<meta name=\"description\" content=\"Les lev\u00e9s as-built consignent la mani\u00e8re dont un projet a \u00e9t\u00e9 effectivement r\u00e9alis\u00e9 et servent souvent de base \u00e0 l&#039;int\u00e9gration dans le GRB. 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