{"id":9192,"date":"2024-04-23T09:29:43","date_gmt":"2024-04-23T07:29:43","guid":{"rendered":"https:\/\/www.ecosens.ch\/carbon-capture-and-storage-ccs-copy\/"},"modified":"2024-11-12T10:30:23","modified_gmt":"2024-11-12T09:30:23","slug":"deconstruction-de-lancienne-fonderie-derzenberg-liestal","status":"publish","type":"post","link":"https:\/\/www.ecosens.ch\/fr\/deconstruction-de-lancienne-fonderie-derzenberg-liestal\/","title":{"rendered":"D\u00e9construction de l'ancienne fonderie d'Erzenberg, Liestal"},"content":{"rendered":"
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D\u00e9construction de l'ancienne fonderie d'Erzenberg, Liestal<\/h1>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Le site de l'ancienne fonderie Erzenberg \u00e0 Liestal va \u00eatre reconstruit. Pour ce faire, les anciens b\u00e2timents de la fonderie doivent c\u00e9der la place \u00e0 un immeuble d'habitation. Depuis 2016, Ecosens SA accompagne et conseille le ma\u00eetre d'ouvrage en ce qui concerne les polluants du b\u00e2timent et les sites contamin\u00e9s.<\/p>

Un contr\u00f4le approfondi du b\u00e2timent et des investigations d\u00e9taill\u00e9es ult\u00e9rieures ont r\u00e9v\u00e9l\u00e9 la pr\u00e9sence de divers \u00e9l\u00e9ments et mat\u00e9riaux de construction contenant de l'amiante, des PCB et des HAP. Les principaux gisements \u00e9taient surtout des produits en amiante-ciment (plaques ondul\u00e9es, plaques de fa\u00e7ade) et du mastic pour fen\u00eatres. Mais des mat\u00e9riaux contenant de l'amiante ont \u00e9galement \u00e9t\u00e9 trouv\u00e9s dans les machines et les fours de l'ancienne fonderie. Une manipulation particuli\u00e8re a \u00e9t\u00e9 requise pour les poussi\u00e8res noires provenant des activit\u00e9s de production dans la fonderie et d'autres halles. Ces poussi\u00e8res \u00e9taient fortement charg\u00e9es en KW C10-C40 et en m\u00e9taux lourds et se trouvaient entre autres sur les sols, les murs, les machines et les chemins de c\u00e2bles. Avant la d\u00e9construction, les b\u00e2timents devaient \u00eatre nettoy\u00e9s de mani\u00e8re \u00e0 ce que les machines et les b\u00e2timents puissent \u00eatre d\u00e9mont\u00e9s sans co\u00fbts suppl\u00e9mentaires dus \u00e0 l'accumulation de poussi\u00e8res et que les mat\u00e9riaux de construction puissent \u00eatre recycl\u00e9s et qu'il n'y ait pas de transport de poussi\u00e8res dans le cadre de la d\u00e9construction. La d\u00e9pollution des b\u00e2timents et du sous-sol a \u00e9t\u00e9 mise au concours par Ecosens AG. La d\u00e9pollution des b\u00e2timents a eu lieu en 2023 et a \u00e9t\u00e9 accompagn\u00e9e par Ecosens AG sur le plan technique. Les hauts fours de fonderie et les machines de l'ancienne fonderie repr\u00e9sentaient un d\u00e9fi particulier. Ceux-ci n'ont souvent pu \u00eatre examin\u00e9s et \u00e9valu\u00e9s plus pr\u00e9cis\u00e9ment que lors du d\u00e9montage sur place. Ainsi, le d\u00e9montage, la d\u00e9construction et les analyses d'accompagnement se sont d\u00e9roul\u00e9s main dans la main.<\/p>

Parall\u00e8lement \u00e0 la d\u00e9construction des b\u00e2timents et dans la foul\u00e9e, le d\u00e9fi suivant a \u00e9t\u00e9 relev\u00e9 : l'assainissement des charges li\u00e9es \u00e0 l'utilisation dans les sols en b\u00e9ton ainsi que du sol pollu\u00e9, avec pour objectif la d\u00e9contamination totale de la surface du futur immeuble d'habitation. Ces travaux sont suivis par notre service Sites contamin\u00e9s + G\u00e9ologie et devraient se poursuivre jusqu'\u00e0 l'\u00e9t\u00e9.<\/p>

Personne de contact pour les polluants du b\u00e2timent\u00a0
Ansgar Schl\u00f6ffel,<\/a>\u00a0sen. Chef de projet pour les polluants du b\u00e2timent<\/span><\/p>

Personne de contact pour les sites contamin\u00e9s
Melanie Tschopp-V\u00f6gtli<\/a>, responsable du secteur Sites contamin\u00e9s + G\u00e9ologie<\/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

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Le site de l'ancienne fonderie Erzenberg \u00e0 Liestal va \u00eatre reconstruit. Pour ce faire, les anciens b\u00e2timents de la fonderie doivent c\u00e9der la place \u00e0 un immeuble d'habitation. Depuis 2016, Ecosens SA accompagne et conseille le ma\u00eetre d'ouvrage en ce qui concerne les polluants du b\u00e2timent et les sites contamin\u00e9s.<\/p>","protected":false},"author":3,"featured_media":9200,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[106],"post_folder":[],"class_list":["post-9192","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized","tag-elementor"],"acf":[],"yoast_head":"\nR\u00fcckbau ehemalige Giesserei Erzenberg, Liestal - Ecosens AG<\/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.ecosens.ch\/fr\/deconstruction-de-lancienne-fonderie-derzenberg-liestal\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"R\u00fcckbau ehemalige Giesserei Erzenberg, Liestal - Ecosens AG\" \/>\n<meta property=\"og:description\" content=\"Das Areal der ehemaligen Giesserei Erzenberg in Liestal wird neu \u00fcberbaut. 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