{"id":160727,"date":"2026-07-22T09:00:00","date_gmt":"2026-07-22T07:00:00","guid":{"rendered":"https:\/\/www.immo-invest.ch\/?p=160727"},"modified":"2026-07-08T13:43:28","modified_gmt":"2026-07-08T11:43:28","slug":"das-limmattal-baut-seine-zukunft","status":"publish","type":"post","link":"https:\/\/www.immo-invest.ch\/fr\/das-limmattal-baut-seine-zukunft\/","title":{"rendered":"La vall\u00e9e de la Limmat construit son avenir"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">L&rsquo;usine d&rsquo;incin\u00e9ration des d\u00e9chets (KVA) de Dietikon arrivera en fin de vie technique en 2034. L&rsquo;installation ne r\u00e9pondra plus aux exigences futures en mati\u00e8re de niveau technique et d&rsquo;\u00e9tat de l&rsquo;art, et l&rsquo;espace disponible est tout simplement insuffisant. La station d\u2019\u00e9puration (ARA) est situ\u00e9e dans l\u2019Antoniloch, une r\u00e9serve naturelle et ornithologique d\u2019importance nationale, et doit \u00eatre d\u00e9plac\u00e9e d\u2019ici 2050. Limeco pr\u00e9voit de r\u00e9nover ces deux installations sur leur site actuel, \u00e0 l\u2019embouchure de la Reppisch dans la Limmat, et de les transformer en centre \u00e9nerg\u00e9tique de la vall\u00e9e de la Limmat.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Huit communes soutiennent le projet<br><\/strong>Le LEZ n\u2019est pas le projet d\u2019une seule ville, mais de toute une r\u00e9gion. Limeco appartient \u00e0 huit communes de la vall\u00e9e de la Limmat : Dietikon, Geroldswil, Oberengstringen, Oetwil an der Limmat, Schlieren, Unterengstringen, Urdorf et Weiningen. Depuis plus de 65 ans, Regiowerk est ancr\u00e9 dans la r\u00e9gion et il s\u2019agit l\u00e0 du plus grand investissement commun de son histoire.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Six ans de dialogue <br><\/strong>Limeco n\u2019a pas d\u00e9velopp\u00e9 ce projet sur une planche \u00e0 dessin. Depuis 2020, un processus de participation a \u00e9t\u00e9 men\u00e9 avec les communes fondatrices, la population, le canton et les organisations de protection de la nature et de l\u2019environnement. L\u2019eau, l\u2019\u00e9nergie, la nature et la vie en communaut\u00e9 : ces quatre perspectives d\u2019\u00e9gale importance se sont d\u00e9gag\u00e9es. En 2022, une phase de planification exp\u00e9rimentale a \u00e9t\u00e9 men\u00e9e avec trois \u00e9quipes interdisciplinaires. Les conclusions ont \u00e9t\u00e9 int\u00e9gr\u00e9es dans deux livres blancs, qui ont pris en compte environ 250 retours d\u2019information provenant des instances de participation. Ce processus a permis d\u2019instaurer un climat de confiance.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Un rempart de plaine alluviale plut\u00f4t qu\u2019un bloc de b\u00e9ton<br><\/strong>Les r\u00e9sultats de la planification exp\u00e9rimentale ainsi que les retours de la population ont constitu\u00e9 la base du mandat d\u2019\u00e9tude architecturale. Six \u00e9quipes issues des domaines de l\u2019architecture, de l\u2019architecture paysag\u00e8re et du g\u00e9nie civil ont soumis des projets. Un comit\u00e9 d\u2019experts a \u00e9valu\u00e9 les projets et d\u00e9sign\u00e9 l\u2019\u00e9quipe laur\u00e9ate. Les six projets ont \u00e9t\u00e9 pr\u00e9sent\u00e9s au public lors d\u2019une exposition. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C\u2019est le cabinet zurichois Penzel Valier AG, en collaboration avec les architectes paysagistes Krebs et Herde, qui a remport\u00e9 le concours. Leur projet structure ce site de plus de 43 000 m\u00e8tres carr\u00e9s \u00e0 l\u2019aide de trois bandes longitudinales qui favorisent la perm\u00e9abilit\u00e9. Au c\u0153ur du projet se trouve un talus de plaine alluviale d\u2019une hauteur comprise entre un et huit m\u00e8tres, qui sert de d\u00e9limitation proche de la nature et de structure d\u2019acc\u00e8s multifonctionnelle. Une place urbaine, dot\u00e9e d\u2019un acc\u00e8s principal et d\u2019une rampe de parc en cascade, relie les diff\u00e9rents niveaux. Le professeur Kees Christiaanse de l\u2019ETH a r\u00e9sum\u00e9 ainsi la situation au sein du jury : \u00ab Tout l\u2019art consistait \u00e0 harmoniser la grande \u00e9chelle du volume global avec le paysage urbain et naturel environnant. \u00bb<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Le fondement juridique de l\u2019am\u00e9nagement<br><\/strong>Le plan d\u2019am\u00e9nagement cantonal a \u00e9t\u00e9 mis \u00e0 l\u2019enqu\u00eate publique pendant 60 jours \u00e0 partir de fin janvier, et les personnes int\u00e9ress\u00e9es ont pu le consulter. Le 21 janvier, Limeco et le canton de Zurich ont r\u00e9pondu aux questions de la population lors d\u2019une r\u00e9union d\u2019information publique \u00e0 Dietikon. Le plan d\u2019am\u00e9nagement constitue la base juridique de tout ce qui va suivre. Sans lui, pas de projet de construction, pas de nouveau b\u00e2timent, pas de LEZ.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Deux phases de construction, un objectif \u00e0 l\u2019horizon 2050<br><\/strong>En septembre 2023, les \u00e9lecteurs ont clairement approuv\u00e9, \u00e0 plus de 80 %, un cr\u00e9dit d\u2019\u00e9tude de 41,4 millions de francs et ont autoris\u00e9 l\u2019achat du site Hasler pour 18 millions de francs en tant que r\u00e9serve fonci\u00e8re strat\u00e9gique.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">D\u2019ici 2034, la nouvelle usine d\u2019incin\u00e9ration des d\u00e9chets sera construite plus \u00e0 l\u2019ouest du site, tandis que la station d\u2019\u00e9puration sera agrandie en parall\u00e8le. La deuxi\u00e8me phase, qui s\u2019\u00e9tendra jusqu\u2019en 2050, consistera en la construction d\u2019une toute nouvelle station d\u2019\u00e9puration sur le site actuel de l\u2019usine d\u2019incin\u00e9ration.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Six ans de dialogue, deux livres blancs, un concours d&rsquo;architecture r\u00e9unissant six \u00e9quipes, et voil\u00e0 que le plan d&rsquo;am\u00e9nagement est d\u00e9sormais sur la table. Le Centre \u00e9nerg\u00e9tique de la vall\u00e9e de la Limmat (LEZ) n\u2019est plus une simple promesse. C\u2019est un projet qui marquera Dietikon et la vall\u00e9e de la Limmat pour des g\u00e9n\u00e9rations. Pour comprendre les infrastructures de demain, il faut aujourd\u2019hui se tourner vers Dietikon.<\/p>\n","protected":false},"author":2,"featured_media":160728,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"pmpro_default_level":"","_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,"inline_featured_image":false,"_monsterinsights_skip_tracking":false,"footnotes":""},"categories":[22699,8747,56027,55991,4957],"tags":[60351,977,11896,872,3931,60352,5318,1653,2002,46671],"class_list":["post-160727","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-durabilite","category-energie","category-planification-developpement","category-quartiers-zones","category-region-zurich","tag-ara","tag-dietikon-fr","tag-gestaltungsplan-fr","tag-immoinvest-fr","tag-immonews-fr","tag-kva-dietikon","tag-limeco-fr","tag-limmattal-fr","tag-news-fr","tag-testplanung-fr","pmpro-has-access"],"acf":{"bild_mit_ki_erstellt_worden":"","lead":"Six ans de dialogue, deux livres blancs, un concours d'architecture r\u00e9unissant six \u00e9quipes, et voil\u00e0 que le plan d'am\u00e9nagement est d\u00e9sormais sur la table. Le Centre \u00e9nerg\u00e9tique de la vall\u00e9e de la Limmat (LEZ) n\u2019est plus une simple promesse. C\u2019est un projet qui marquera Dietikon et la vall\u00e9e de la Limmat pour des g\u00e9n\u00e9rations. Pour comprendre les infrastructures de demain, il faut aujourd\u2019hui se tourner vers Dietikon.","autor":"Texte : Sabine Billeter \u2022 Photos : Limeco","ort":"","bildunterschrift":"","zusammenfassung":"","bild_im_grid":false,"gallerie":"","newsim":"3221"},"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.1.1 - aioseo.com -->\n\t<meta name=\"description\" content=\"Six ans de dialogue, deux livres blancs, un concours d&#039;architecture r\u00e9unissant six \u00e9quipes, et voil\u00e0 que le plan d&#039;am\u00e9nagement est d\u00e9sormais sur la table. Le Centre \u00e9nerg\u00e9tique de la vall\u00e9e de la Limmat (LEZ) n\u2019est plus une simple promesse. C\u2019est un projet qui marquera Dietikon et la vall\u00e9e de la Limmat pour des g\u00e9n\u00e9rations. 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