{"id":3248,"date":"2026-04-08T23:54:06","date_gmt":"2026-04-08T21:54:06","guid":{"rendered":"https:\/\/alvid-consulting.com\/?p=3248"},"modified":"2026-04-08T23:59:59","modified_gmt":"2026-04-08T21:59:59","slug":"por-que-el-80-de-los-retrasos-no-se-pierden-debido-a-la-ejecucion","status":"publish","type":"post","link":"https:\/\/alvid-consulting.com\/es\/standard\/pourquoi-80-des-retards-ne-sont-pas-perdus-a-cause-de-lexecution\/","title":{"rendered":"Por qu\u00e9 el 80% de los retrasos no se pierden debido a la ejecuci\u00f3n"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"3248\" class=\"elementor elementor-3248\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"elementor-element elementor-element-c6d2ac6 e-con-full e-flex e-con e-parent\" data-id=\"c6d2ac6\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-4bb14f7 elementor-widget__width-initial elementor-widget-mobile__width-initial elementor-widget elementor-widget-heading\" data-id=\"4bb14f7\" 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<h2 class=\"elementor-heading-title elementor-size-default\">Pourquoi 80% des retards ne sont pas perdus \u00e0 cause de l\u2019ex\u00e9cution<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-0b0309c e-flex e-con-boxed e-con e-parent\" data-id=\"0b0309c\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-77436d5 e-con-full e-flex e-con e-child\" data-id=\"77436d5\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-e842fb0 elementor-widget__width-initial elementor-widget elementor-widget-heading\" data-id=\"e842fb0\" 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\">Introduction : Le mythe du \u201cchantier d\u00e9faillant\u201d<\/h1>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8d4a039 elementor-widget elementor-widget-text-editor\" data-id=\"8d4a039\" 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 data-start=\"272\" data-end=\"376\">Dans l\u2019imaginaire collectif du BTP, un projet en retard est souvent synonyme d\u2019un chantier mal ex\u00e9cut\u00e9 :<\/p><ul data-start=\"377\" data-end=\"453\"><li data-section-id=\"9fh2x6\" data-start=\"377\" data-end=\"403\">manque de productivit\u00e9<\/li><li data-section-id=\"1xhjip7\" data-start=\"404\" data-end=\"429\">mauvaise organisation<\/li><li data-section-id=\"5aerpy\" data-start=\"430\" data-end=\"453\">\u00e9quipes inefficaces<\/li><\/ul><p data-start=\"455\" data-end=\"552\">\u00a0<\/p><p data-start=\"455\" data-end=\"552\">Pourtant, la r\u00e9alit\u00e9 des projets complexes (EPC, nucl\u00e9aire, infrastructures) est toute autre :<\/p><blockquote data-start=\"554\" data-end=\"662\"><p data-start=\"556\" data-end=\"662\"><strong data-start=\"556\" data-end=\"662\">La majorit\u00e9 des retards ne sont pas \u201cperdus\u201d\u2026 ils sont mal identifi\u00e9s, mal structur\u00e9s ou mal d\u00e9fendus.<\/strong><\/p><\/blockquote>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-de510b8 elementor-widget elementor-widget-image\" data-id=\"de510b8\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"1536\" height=\"1024\" src=\"https:\/\/alvid-consulting.com\/wp-content\/uploads\/2026\/04\/80-delay.webp\" class=\"attachment-full size-full wp-image-3249\" alt=\"\" srcset=\"https:\/\/alvid-consulting.com\/wp-content\/uploads\/2026\/04\/80-delay.webp 1536w, https:\/\/alvid-consulting.com\/wp-content\/uploads\/2026\/04\/80-delay-300x200.webp 300w, https:\/\/alvid-consulting.com\/wp-content\/uploads\/2026\/04\/80-delay-1024x683.webp 1024w, https:\/\/alvid-consulting.com\/wp-content\/uploads\/2026\/04\/80-delay-768x512.webp 768w, https:\/\/alvid-consulting.com\/wp-content\/uploads\/2026\/04\/80-delay-18x12.webp 18w\" sizes=\"(max-width: 1536px) 100vw, 1536px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-7679bea e-con-full e-flex e-con e-child\" data-id=\"7679bea\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-0ba0231 elementor-widget elementor-widget-text-editor\" data-id=\"0ba0231\" 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<h2 data-section-id=\"1s7n890\" data-start=\"669\" data-end=\"714\">1. Le vrai probl\u00e8me : comprendre \u2260 prouver<\/h2><p data-start=\"716\" data-end=\"776\">Un projet peut \u00eatre en retard pour des dizaines de raisons :<\/p><ul data-start=\"777\" data-end=\"875\"><li data-section-id=\"17ddcz3\" data-start=\"777\" data-end=\"803\">modifications tardives<\/li><li data-section-id=\"j1offh\" data-start=\"804\" data-end=\"829\">interfaces mal g\u00e9r\u00e9es<\/li><li data-section-id=\"keqj7i\" data-start=\"830\" data-end=\"850\">d\u00e9cisions client<\/li><li data-section-id=\"ng6c5q\" data-start=\"851\" data-end=\"875\">contraintes externes<\/li><\/ul><p data-start=\"877\" data-end=\"928\">Mais dans un cadre contractuel, cela ne suffit pas.<\/p><p data-start=\"930\" data-end=\"994\">\u00a0<\/p><p data-start=\"930\" data-end=\"994\">Pour qu\u2019un retard \u201cexiste\u201d juridiquement, il faut d\u00e9montrer :<\/p><ul data-start=\"996\" data-end=\"1071\"><li data-section-id=\"1qc9gpw\" data-start=\"996\" data-end=\"1012\"><strong data-start=\"998\" data-end=\"1010\">la cause<\/strong><\/li><li data-section-id=\"1ymnimp\" data-start=\"1013\" data-end=\"1038\"><strong data-start=\"1015\" data-end=\"1036\">la responsabilit\u00e9<\/strong><\/li><li data-section-id=\"1r3qn9b\" data-start=\"1039\" data-end=\"1071\"><strong data-start=\"1041\" data-end=\"1069\">l\u2019impact sur le planning<\/strong><\/li><\/ul><p data-start=\"1073\" data-end=\"1122\">\u00a0<\/p><p data-start=\"1073\" data-end=\"1122\">C\u2019est pr\u00e9cis\u00e9ment le r\u00f4le du <em data-start=\"1102\" data-end=\"1118\">delay analysis<\/em> :<\/p><blockquote data-start=\"1123\" data-end=\"1245\"><p data-start=\"1125\" data-end=\"1245\"><em>identifier, quantifier et attribuer les retards avec une m\u00e9thodologie structur\u00e9e<\/em><\/p><\/blockquote><p data-start=\"1247\" data-end=\"1305\">\u00a0<\/p><p data-start=\"1247\" data-end=\"1305\">Sans cela, le retard est invisible\u2026 m\u00eame s\u2019il est r\u00e9el.<\/p><h2 data-section-id=\"13c0arm\" data-start=\"1312\" data-end=\"1351\">\u00a0<\/h2><h2 data-section-id=\"13c0arm\" data-start=\"1312\" data-end=\"1351\">2. Tous les retards ne se valent pas<\/h2><p data-start=\"1353\" data-end=\"1394\">C\u2019est une erreur majeure sur les projets.<\/p><p data-start=\"1396\" data-end=\"1460\">Un retard n\u2019a de valeur que s\u2019il impacte le <strong data-start=\"1440\" data-end=\"1459\">chemin critique<\/strong>.<\/p><p data-start=\"1462\" data-end=\"1481\">Exemple simple :<\/p><ul data-start=\"1482\" data-end=\"1625\"><li data-section-id=\"1f4ukoi\" data-start=\"1482\" data-end=\"1551\">retard sur une activit\u00e9 non critique \u2192 <strong data-start=\"1523\" data-end=\"1551\">aucun impact contractuel<\/strong><\/li><li data-section-id=\"712vku\" data-start=\"1552\" data-end=\"1625\">retard sur le chemin critique \u2192 <strong data-start=\"1586\" data-end=\"1625\">extension de d\u00e9lai + potentiel co\u00fbt<\/strong><\/li><\/ul><p data-start=\"1627\" data-end=\"1643\">\u00a0<\/p><p data-start=\"1627\" data-end=\"1643\">En pratique :<\/p><ul data-start=\"1644\" data-end=\"1718\"><li data-section-id=\"1p6c9y0\" data-start=\"1644\" data-end=\"1676\">beaucoup de retards existent<\/li><li data-section-id=\"t5tu3d\" data-start=\"1677\" data-end=\"1718\">peu sont <strong data-start=\"1688\" data-end=\"1718\">contractuellement valables<\/strong><\/li><\/ul><p data-start=\"1720\" data-end=\"1887\">\u00a0<\/p><p data-start=\"1720\" data-end=\"1887\">Les retards sont class\u00e9s (critique, excusable, compensable, etc.), et chaque type a des cons\u00e9quences diff\u00e9rentes sur les claims<\/p><p data-start=\"1889\" data-end=\"1908\">Conclusion cl\u00e9 :<\/p><blockquote data-start=\"1909\" data-end=\"1992\"><p data-start=\"1911\" data-end=\"1992\"><strong data-start=\"1911\" data-end=\"1992\">80% des retards sont \u201cnon valorisables\u201d car mal positionn\u00e9s dans le planning.<\/strong><\/p><\/blockquote><h2 data-section-id=\"momql\" data-start=\"1999\" data-end=\"2042\">\u00a0<\/h2><h2 data-section-id=\"momql\" data-start=\"1999\" data-end=\"2042\">3. Le facteur d\u00e9cisif : la documentation<\/h2><p data-start=\"2044\" data-end=\"2071\">C\u2019est ici que tout se joue.<\/p><p data-start=\"2073\" data-end=\"2120\">Un retard non document\u00e9 = un retard inexistant.<\/p><p data-start=\"2122\" data-end=\"2167\">Les projets produisent des donn\u00e9es massives :<\/p><ul data-start=\"2168\" data-end=\"2249\"><li data-section-id=\"169r0qf\" data-start=\"2168\" data-end=\"2178\">emails<\/li><li data-section-id=\"18advts\" data-start=\"2179\" data-end=\"2197\">comptes rendus<\/li><li data-section-id=\"17a173p\" data-start=\"2198\" data-end=\"2205\">RFI<\/li><li data-section-id=\"1m4xwdu\" data-start=\"2206\" data-end=\"2224\">plans modifi\u00e9s<\/li><li data-section-id=\"rz8o6f\" data-start=\"2225\" data-end=\"2249\">journaux de chantier<\/li><\/ul><p data-start=\"2251\" data-end=\"2276\">\u00a0<\/p><p data-start=\"2251\" data-end=\"2276\">Mais sans structuration :<\/p><p data-start=\"2278\" data-end=\"2296\">\u00a0impossible de :<\/p><ul data-start=\"2297\" data-end=\"2376\"><li data-section-id=\"f086sx\" data-start=\"2297\" data-end=\"2328\">reconstruire la chronologie<\/li><li data-section-id=\"ojqbep\" data-start=\"2329\" data-end=\"2353\">prouver la causalit\u00e9<\/li><li data-section-id=\"1i3ro1b\" data-start=\"2354\" data-end=\"2376\">d\u00e9montrer l\u2019impact<\/li><\/ul><p data-start=\"2378\" data-end=\"2382\">Or :<\/p><blockquote data-start=\"2383\" data-end=\"2541\"><p data-start=\"2385\" data-end=\"2541\">une documentation solide permet d\u2019identifier les \u00e9v\u00e9nements, quantifier leur impact et attribuer les responsabilit\u00e9s<\/p><\/blockquote><h2 data-section-id=\"bgmnil\" data-start=\"2548\" data-end=\"2600\">\u00a0<\/h2><h2 data-section-id=\"bgmnil\" data-start=\"2548\" data-end=\"2600\">4. Le retard est rarement un probl\u00e8me d\u2019ex\u00e9cution<\/h2><p data-start=\"2602\" data-end=\"2641\">C\u2019est contre-intuitif mais fondamental.<\/p><p data-start=\"2643\" data-end=\"2668\">Dans les grands projets :<\/p><ul data-start=\"2669\" data-end=\"2778\"><li data-section-id=\"noxucs\" data-start=\"2669\" data-end=\"2719\">les \u00e9quipes ex\u00e9cutent globalement correctement<\/li><li data-section-id=\"yg84og\" data-start=\"2720\" data-end=\"2778\">les plannings d\u00e9rivent \u00e0 cause de facteurs syst\u00e9miques<\/li><\/ul><h3 data-section-id=\"lln7z2\" data-start=\"2780\" data-end=\"2814\">\u00a0<\/h3><h3 data-section-id=\"lln7z2\" data-start=\"2780\" data-end=\"2814\">Les vraies causes fr\u00e9quentes :<\/h3><ul data-start=\"2815\" data-end=\"2976\"><li data-section-id=\"hwhzb9\" data-start=\"2815\" data-end=\"2847\">d\u00e9cisions tardives du client<\/li><li data-section-id=\"1dgct90\" data-start=\"2848\" data-end=\"2880\">maturit\u00e9 design insuffisante<\/li><li data-section-id=\"py0lxo\" data-start=\"2881\" data-end=\"2917\">interfaces contractuelles floues<\/li><li data-section-id=\"4dfx6\" data-start=\"2918\" data-end=\"2946\">changements mal int\u00e9gr\u00e9s<\/li><li data-section-id=\"1w8rf1x\" data-start=\"2947\" data-end=\"2976\">mauvaise gestion du float<\/li><\/ul><p data-start=\"2978\" data-end=\"2993\">\u00a0<\/p><p data-start=\"2978\" data-end=\"2993\">Et surtout :<\/p><blockquote data-start=\"2995\" data-end=\"3077\"><p data-start=\"2997\" data-end=\"3077\"><strong data-start=\"2997\" data-end=\"3077\">le retard devient un probl\u00e8me quand il n\u2019est pas structur\u00e9 dans le planning.<\/strong><\/p><\/blockquote><h2 data-section-id=\"8yruvt\" data-start=\"3084\" data-end=\"3148\">\u00a0<\/h2><h2 data-section-id=\"8yruvt\" data-start=\"3084\" data-end=\"3148\">5. Le vrai enjeu : transformer le temps en levier contractuel<\/h2><p data-start=\"3150\" data-end=\"3181\">Un retard bien analys\u00e9 permet :<\/p><ul data-start=\"3183\" data-end=\"3330\"><li data-section-id=\"1ot27yk\" data-start=\"3183\" data-end=\"3218\">une <strong data-start=\"3189\" data-end=\"3216\">Extension of Time (EOT)<\/strong><\/li><li data-section-id=\"1i9e2ab\" data-start=\"3219\" data-end=\"3262\">une <strong data-start=\"3225\" data-end=\"3260\">protection contre les p\u00e9nalit\u00e9s<\/strong><\/li><li data-section-id=\"18ccmuy\" data-start=\"3263\" data-end=\"3330\">une <strong data-start=\"3269\" data-end=\"3328\">r\u00e9clamation financi\u00e8re (prolongation, disruption, etc.)<\/strong><\/li><\/ul><p data-start=\"3332\" data-end=\"3363\">\u00a0<\/p><p data-start=\"3332\" data-end=\"3363\">Le r\u00f4le de l\u2019expert est clair :<\/p><blockquote data-start=\"3364\" data-end=\"3526\"><p data-start=\"3366\" data-end=\"3526\">analyser les \u00e9v\u00e9nements, attribuer les responsabilit\u00e9s et quantifier l\u2019impact pour permettre une valorisation financi\u00e8re<\/p><\/blockquote><h2 data-section-id=\"11u4jgd\" data-start=\"3533\" data-end=\"3577\">\u00a0<\/h2><h2 data-section-id=\"11u4jgd\" data-start=\"3533\" data-end=\"3577\">6. Pourquoi 80% des retards sont \u201cperdus\u201d<\/h2><p data-start=\"3579\" data-end=\"3602\">Parce que les projets :<\/p><p data-start=\"3604\" data-end=\"3779\">\u274c ne structurent pas leur planning<br data-start=\"3638\" data-end=\"3641\" \/>\u274c ne suivent pas le chemin critique<br data-start=\"3676\" data-end=\"3679\" \/>\u274c ne documentent pas correctement<br data-start=\"3712\" data-end=\"3715\" \/>\u274c ne pensent pas \u201ccontractuel\u201d<br data-start=\"3745\" data-end=\"3748\" \/>\u274c n\u2019anticipent pas les claims<\/p><p data-start=\"3781\" data-end=\"3794\">\u00a0<\/p><p data-start=\"3781\" data-end=\"3794\">R\u00e9sultat :<\/p><ul data-start=\"3795\" data-end=\"3869\"><li data-section-id=\"1josbuh\" data-start=\"3795\" data-end=\"3819\">les retards existent<\/li><li data-section-id=\"1h105hc\" data-start=\"3820\" data-end=\"3869\">mais ils ne sont <strong data-start=\"3839\" data-end=\"3869\">ni prouv\u00e9s, ni d\u00e9fendables<\/strong><\/li><\/ul><h2 data-section-id=\"7k6pht\" data-start=\"3876\" data-end=\"3922\">\u00a0<\/h2><h2 data-section-id=\"7k6pht\" data-start=\"3876\" data-end=\"3922\">7. Le positionnement ALVID (\u00e0 forte valeur)<\/h2><p data-start=\"3924\" data-end=\"3978\">C\u2019est exactement l\u00e0 que se situe la diff\u00e9rence entre :<\/p><h3 data-section-id=\"td7hrx\" data-start=\"3980\" data-end=\"4008\">\u274c Un planner classique<\/h3><p data-start=\"4009\" data-end=\"4034\">\u2192 qui suit l\u2019avancement<\/p><h3 data-section-id=\"1c2o3i6\" data-start=\"4036\" data-end=\"4074\">\u2705 Une approche strat\u00e9gique (ALVID)<\/h3><p data-start=\"4075\" data-end=\"4126\">\u2192 qui transforme le planning en actif contractuel<\/p><h2 data-section-id=\"f1tpn5\" data-start=\"4133\" data-end=\"4184\">\u00a0<\/h2><h2 data-section-id=\"f1tpn5\" data-start=\"4133\" data-end=\"4184\">Conclusion \u2014 Le temps est un capital contractuel<\/h2><blockquote data-start=\"4186\" data-end=\"4266\"><p data-start=\"4188\" data-end=\"4266\">Les projets ne perdent pas du temps.<br data-start=\"4224\" data-end=\"4227\" \/>Ils perdent la capacit\u00e9 \u00e0 le prouver.<\/p><\/blockquote><p data-start=\"4268\" data-end=\"4362\">\u00a0<\/p><p data-start=\"4268\" data-end=\"4362\">Le vrai gap n\u2019est pas op\u00e9rationnel.<br data-start=\"4306\" data-end=\"4309\" \/>Il est <strong data-start=\"4319\" data-end=\"4361\">analytique, contractuel et strat\u00e9gique<\/strong>.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-57f26d8 e-con-full mon-element-fixe elementor-hidden-tablet elementor-hidden-mobile e-flex e-con e-child\" data-id=\"57f26d8\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;,&quot;position&quot;:&quot;fixed&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-e52e862 elementor-widget elementor-widget-image\" data-id=\"e52e862\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div 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