{"id":9870,"date":"2026-03-27T19:22:40","date_gmt":"2026-03-27T18:22:40","guid":{"rendered":"https:\/\/arc-guides.com\/docs\/prism\/implement\/demarrage\/geler-le-perimetre-projet\/"},"modified":"2026-05-31T23:08:55","modified_gmt":"2026-05-31T21:08:55","slug":"geler-le-perimetre-projet","status":"publish","type":"docs","link":"https:\/\/arc-guides.com\/en\/docs\/prism\/implement\/demarrage\/geler-le-perimetre-projet\/","title":{"rendered":"Geler le p\u00e9rim\u00e8tre projet"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"9870\" class=\"elementor elementor-9870\" data-elementor-post-type=\"docs\">\n\t\t\t\t<div class=\"elementor-element elementor-element-2faa9b9 gratuit e-flex e-con-boxed e-con e-parent\" data-id=\"2faa9b9\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-3aeb099 elementor-widget elementor-widget-heading\" data-id=\"3aeb099\" data-element_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\">Geler le p\u00e9rim\u00e8tre projet<\/h1>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-cf532b8 elementor-widget elementor-widget-text-editor\" data-id=\"cf532b8\" data-element_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>Vous d\u00e9marrez la phase BUILD avec un p\u00e9rim\u00e8tre fonctionnel valid\u00e9 en COPIL. Quelques semaines plus tard, les premi\u00e8res demandes arrivent : <em>\u00ab est-ce qu&rsquo;on pourrait juste rajouter\u2026 \u00bb<\/em>. Une, deux, trois. Innocentes au d\u00e9but, elles cumulent vite : 10 % d&rsquo;extension de p\u00e9rim\u00e8tre, puis 20 %, puis 30 %. Au-del\u00e0, le projet perd le contr\u00f4le.<\/p><p>Le <strong>scope creep<\/strong> \u2014 la d\u00e9rive insidieuse du p\u00e9rim\u00e8tre \u2014 est l&rsquo;une des trois causes principales d&rsquo;\u00e9chec d&rsquo;un projet ERP. Sans discipline d\u00e8s le jour 1, votre projet \u00e0 363 K\u20ac et 14 mois devient un projet \u00e0 480 K\u20ac et 20 mois \u2014 avec un sponsor qui se demande o\u00f9 est pass\u00e9 l&rsquo;argent. Cet article vous donne le cadre PRISM <strong>3.1.3 \u2014 Geler le p\u00e9rim\u00e8tre projet<\/strong> pour r\u00e9sister.<!-- notionvc: e213ea76-1a71-4f35-875f-95709705012e --><\/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\t\t<\/div>","protected":false},"excerpt":{"rendered":"<p>Geler le p\u00e9rim\u00e8tre projet Vous d\u00e9marrez la phase BUILD avec un p\u00e9rim\u00e8tre fonctionnel valid\u00e9 en COPIL. Quelques semaines plus tard, les premi\u00e8res demandes arrivent : \u00ab est-ce qu&rsquo;on pourrait juste rajouter\u2026 \u00bb. Une, deux, trois. Innocentes au d\u00e9but, elles cumulent vite : 10 % d&rsquo;extension de p\u00e9rim\u00e8tre, puis 20 %, puis 30 %. Au-del\u00e0, le [&hellip;]<\/p>","protected":false},"author":1,"featured_media":0,"parent":9858,"menu_order":22,"comment_status":"closed","ping_status":"closed","template":"","doc_tag":[],"doc_badge":[],"class_list":["post-9870","docs","type-docs","status-publish","hentry","no-post-thumbnail"],"acf":[],"author_avatar":"https:\/\/secure.gravatar.com\/avatar\/0c2aafc4a6ee828f15bf75045e5800fa350ef565a52c3d335cd320e665102b53?s=96&d=mm&r=g","author_name":"admin","_links":{"self":[{"href":"https:\/\/arc-guides.com\/en\/wp-json\/wp\/v2\/docs\/9870","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/arc-guides.com\/en\/wp-json\/wp\/v2\/docs"}],"about":[{"href":"https:\/\/arc-guides.com\/en\/wp-json\/wp\/v2\/types\/docs"}],"author":[{"embeddable":true,"href":"https:\/\/arc-guides.com\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/arc-guides.com\/en\/wp-json\/wp\/v2\/comments?post=9870"}],"version-history":[{"count":5,"href":"https:\/\/arc-guides.com\/en\/wp-json\/wp\/v2\/docs\/9870\/revisions"}],"predecessor-version":[{"id":10377,"href":"https:\/\/arc-guides.com\/en\/wp-json\/wp\/v2\/docs\/9870\/revisions\/10377"}],"up":[{"embeddable":true,"href":"https:\/\/arc-guides.com\/en\/wp-json\/wp\/v2\/docs\/9858"}],"wp:attachment":[{"href":"https:\/\/arc-guides.com\/en\/wp-json\/wp\/v2\/media?parent=9870"}],"wp:term":[{"taxonomy":"doc_tag","embeddable":true,"href":"https:\/\/arc-guides.com\/en\/wp-json\/wp\/v2\/doc_tag?post=9870"},{"taxonomy":"doc_badge","embeddable":true,"href":"https:\/\/arc-guides.com\/en\/wp-json\/wp\/v2\/doc_badge?post=9870"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}