{"id":1120,"date":"2020-12-17T16:04:11","date_gmt":"2020-12-17T16:04:11","guid":{"rendered":"http:\/\/wp.hobas.com\/?p=1120"},"modified":"2020-12-17T16:09:38","modified_gmt":"2020-12-17T16:09:38","slug":"clermont-ferrand-bassin-de-belle-ombre-63","status":"publish","type":"post","link":"https:\/\/www.hobas.com\/fr\/clermont-ferrand-bassin-de-belle-ombre-63\/","title":{"rendered":"Clermont-Ferrand \/ bassin de Belle-Ombre (63)"},"content":{"rendered":"\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-d9uak-0ecf1879e3120f0b9c2373d9b7539de6\">\n.flex_column.av-d9uak-0ecf1879e3120f0b9c2373d9b7539de6{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-d9uak-0ecf1879e3120f0b9c2373d9b7539de6 av_two_third  avia-builder-el-0  el_before_av_one_third  avia-builder-el-first  first flex_column_div av-zero-column-padding  '     ><p>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-kilkc2fv-8ad734bfa766bc26a19afa9d93377755\">\n.avia-image-container.av-kilkc2fv-8ad734bfa766bc26a19afa9d93377755 img.avia_image{\nbox-shadow:none;\n}\n.avia-image-container.av-kilkc2fv-8ad734bfa766bc26a19afa9d93377755 .av-image-caption-overlay-center{\ncolor:#ffffff;\n}\n<\/style>\n<div  class='avia-image-container av-kilkc2fv-8ad734bfa766bc26a19afa9d93377755 av-styling- av-img-linked avia-align-center  avia-builder-el-1  el_before_av_heading  avia-builder-el-first '   itemprop=\"image\" itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/ImageObject\" ><div class=\"avia-image-container-inner\"><div class=\"avia-image-overlay-wrap\"><a href=\"https:\/\/www.hobas.com\/wp-content\/uploads\/2020\/12\/bassin-stockage-restitution-eaux-pluviales-Belle-Ombre-France.jpg\" data-srcset=\"https:\/\/www.hobas.com\/wp-content\/uploads\/2020\/12\/bassin-stockage-restitution-eaux-pluviales-Belle-Ombre-France.jpg 800w, https:\/\/www.hobas.com\/wp-content\/uploads\/2020\/12\/bassin-stockage-restitution-eaux-pluviales-Belle-Ombre-France-300x188.jpg 300w, https:\/\/www.hobas.com\/wp-content\/uploads\/2020\/12\/bassin-stockage-restitution-eaux-pluviales-Belle-Ombre-France-768x480.jpg 768w, https:\/\/www.hobas.com\/wp-content\/uploads\/2020\/12\/bassin-stockage-restitution-eaux-pluviales-Belle-Ombre-France-705x441.jpg 705w\" data-sizes=\"(max-width: 800px) 100vw, 800px\" class='avia_image '  aria-label='bassin-stockage-restitution-eaux-pluviales-Belle-Ombre-France'><img decoding=\"async\" fetchpriority=\"high\" class='wp-image-1121 avia-img-lazy-loading-not-1121 avia_image ' src=\"https:\/\/www.hobas.com\/wp-content\/uploads\/2020\/12\/bassin-stockage-restitution-eaux-pluviales-Belle-Ombre-France.jpg\" alt='' title='bassin-stockage-restitution-eaux-pluviales-Belle-Ombre-France'  height=\"500\" width=\"800\"  itemprop=\"thumbnailUrl\" srcset=\"https:\/\/www.hobas.com\/wp-content\/uploads\/2020\/12\/bassin-stockage-restitution-eaux-pluviales-Belle-Ombre-France.jpg 800w, https:\/\/www.hobas.com\/wp-content\/uploads\/2020\/12\/bassin-stockage-restitution-eaux-pluviales-Belle-Ombre-France-300x188.jpg 300w, https:\/\/www.hobas.com\/wp-content\/uploads\/2020\/12\/bassin-stockage-restitution-eaux-pluviales-Belle-Ombre-France-768x480.jpg 768w, https:\/\/www.hobas.com\/wp-content\/uploads\/2020\/12\/bassin-stockage-restitution-eaux-pluviales-Belle-Ombre-France-705x441.jpg 705w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/a><\/div><\/div><\/div><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-kit18ujx-5b810fb31b4b3c5aa946340b44387d1b\">\n#top .av-special-heading.av-kit18ujx-5b810fb31b4b3c5aa946340b44387d1b{\npadding-bottom:10px;\n}\nbody .av-special-heading.av-kit18ujx-5b810fb31b4b3c5aa946340b44387d1b .av-special-heading-tag .heading-char{\nfont-size:25px;\n}\n.av-special-heading.av-kit18ujx-5b810fb31b4b3c5aa946340b44387d1b .av-subheading{\nfont-size:15px;\n}\n<\/style>\n<div  class='av-special-heading av-kit18ujx-5b810fb31b4b3c5aa946340b44387d1b av-special-heading-h1 blockquote modern-quote  avia-builder-el-2  el_after_av_image  el_before_av_textblock '><div class='av-subheading av-subheading_above'><p>12 Jun<\/p>\n<\/div><h1 class='av-special-heading-tag '  itemprop=\"headline\"  >Clermont-Ferrand \/ bassin de Belle-Ombre (63)<\/h1><div class=\"special-heading-border\"><div class=\"special-heading-inner-border\"><\/div><\/div><\/div><br \/>\n<section  class='av_textblock_section av-kilkd3ik-c6eaab727e2a56da93c4c4299a72b2fb '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/BlogPosting\" itemprop=\"blogPost\" ><div class='avia_textblock'  itemprop=\"text\" ><p><strong>Construction du bassin de stockage-restitution des eaux pluviales de Belle-Ombre et de ses r\u00e9seaux associ\u00e9s<\/strong><\/p>\n<p>La m\u00e9tropole Clermontoise \u00e9tant dot\u00e9e principalement d\u2019un r\u00e9seau unitaire qui collecte et transporte \u00e0 la fois les eaux pluviales et les eaux us\u00e9es, les \u00e9pisodes pluvieux, m\u00eame faibles, saturent les r\u00e9seaux qui d\u00e9bordent et provoquent des ph\u00e9nom\u00e8nes de pollution dans les cours d\u2019eau de la m\u00e9tropole. Afin de garantir le bon \u00e9tat de ces milieux aquatiques (la mise en s\u00e9paratif du r\u00e9seau \u00e9tant non r\u00e9alisable), un vaste programme de modernisation des r\u00e9seaux a \u00e9t\u00e9 pens\u00e9, comprenant la construction, d\u2019ici 2025, de six bassins de stockage-restitution enterr\u00e9s pour un volume total d\u2019environ 80 000 m\u00b3, dont 10 000 m\u00b3 pour le bassin de Belle-Ombre.<\/p>\n<p>C\u2019est dans ce contexte que Clermont Auvergne M\u00e9tropole a d\u00e9marr\u00e9 son programme de travaux. Apr\u00e8s la r\u00e9alisation d\u2019un premier bassin de stockage-restitution de 2200 m\u00b3 dans le quartier des Vergnes, le bassin de Belle-Ombre est en cours de construction et entrera en service au 2e semestre 2020.<\/p>\n<p><strong>Objectif des bassins de stockage-restitution:<\/strong>\u00a0stocker temporairement les premiers flots d\u2019orage tr\u00e8s pollu\u00e9s, puis les restituer dans le r\u00e9seau qui les renvoie vers la station d\u2019\u00e9puration des 3 Rivi\u00e8res pour traitement en diff\u00e9r\u00e9 = r\u00e9duire d\u2019environ 70% les volumes annuels actuels de rejet d\u2019effluents pollu\u00e9s vers la Tiretaine Nord.<\/p>\n<p><strong>Le Bassin de Belle-Ombre \/ sp\u00e9cificit\u00e9s techniques:<\/strong><\/p>\n<ul>\n<li>l\u2019enceinte du bassin est r\u00e9alis\u00e9e en parois moul\u00e9es sur une hauteur de 21m et une \u00e9paisseur de 0,82 m.<\/li>\n<li>terrassement: 19 000 m\u00b3 de terre ont \u00e9t\u00e9 excav\u00e9s.<\/li>\n<li>GC: les fondations sont con\u00e7ues avec des micropieux en b\u00e9ton de 9,40 \u00e0 11,30 m qui viennent s\u2019ancrer dans le radier. Ce dernier est en b\u00e9ton arm\u00e9 de 1064 m\u00b2 de surface sur 1 m d\u2019\u00e9paisseur.<\/li>\n<li>dimensions du bassin: 37 m de diam\u00e8tre et 15,30 m de profondeur.<\/li>\n<li>r\u00e9servoir de chasse: 7 m de hauteur, DN 3000, SN 5000, deux chemin\u00e9es DN 800 en PRV Flowtite.<\/li>\n<\/ul>\n<p><strong>Conduite de liaison entre le collecteur et le bassin:<\/strong>\u00a0conduite de 80 ml en PRV Hobas, DN 2400, Dext 2555, PN 1, SN 10 000. Conduite pos\u00e9e \u00e0 4,60 m de profondeur en tranch\u00e9e.<\/p>\n<p><strong>Principales contraintes:<\/strong><\/p>\n<ul>\n<li>Contraintes d\u2019urbanisme: permis de construire soumis \u00e0 l\u2019avis des Architectes et B\u00e2timents de France, et terrain situ\u00e9 sur un parking de la soci\u00e9t\u00e9 Michelin.<\/li>\n<li>Contraintes d\u2019exploitation: obligation de maintenir en service la fonction d\u2019\u00e9vacuation des effluents vers la Tiretaine Nord durant les travaux, pr\u00e9sence de r\u00e9seaux concessionnaires, pas de stockage possible sur place.<\/li>\n<li>Contraintes hydrologiques: implantation du bassin dans la zone inondation de la Tiretaine Nord.<\/li>\n<li>Contraintes g\u00e9ologiques: sols de diff\u00e9rentes natures, zone de sismicit\u00e9 3 (sismicit\u00e9 mod\u00e9r\u00e9e).<\/li>\n<li>Contraintes environnementales: pr\u00e9sence du cours d\u2019eau la Tiretaine Nord \u00e0 proximit\u00e9.<\/li>\n<\/ul>\n<\/div><\/section><\/p><\/div>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-b0ha4-7a61ffae0ec0ba15433d5ebcd3c41310\">\n.flex_column.av-b0ha4-7a61ffae0ec0ba15433d5ebcd3c41310{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-b0ha4-7a61ffae0ec0ba15433d5ebcd3c41310 av_one_third  avia-builder-el-4  el_after_av_two_third  avia-builder-el-last  flex_column_div av-zero-column-padding  '     ><p>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-kit19a6u-944e237b6ee75bc9b35eb74db99fa0bf\">\n#top .av-special-heading.av-kit19a6u-944e237b6ee75bc9b35eb74db99fa0bf{\npadding-bottom:10px;\n}\nbody .av-special-heading.av-kit19a6u-944e237b6ee75bc9b35eb74db99fa0bf .av-special-heading-tag .heading-char{\nfont-size:25px;\n}\n.av-special-heading.av-kit19a6u-944e237b6ee75bc9b35eb74db99fa0bf .av-subheading{\nfont-size:15px;\n}\n<\/style>\n<div  class='av-special-heading av-kit19a6u-944e237b6ee75bc9b35eb74db99fa0bf av-special-heading-h3  avia-builder-el-5  el_before_av_textblock  avia-builder-el-first '><h3 class='av-special-heading-tag '  itemprop=\"headline\"  >PARAMETRES DU PROJET<\/h3><div class=\"special-heading-border\"><div class=\"special-heading-inner-border\"><\/div><\/div><\/div><br \/>\n<section  class='av_textblock_section av-kilkenrl-9d734abd7e831f3f33665b70042a723e '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/BlogPosting\" itemprop=\"blogPost\" ><div class='avia_textblock'  itemprop=\"text\" ><p><strong>Pays<\/strong><br \/>\nFrance<\/p>\n<p><strong>Ville<\/strong><br \/>\n<span class=\"st\">Clermont-Ferrand<\/span><\/p>\n<p><strong>Ann\u00e9e de construction<\/strong><br \/>\n2019<\/p>\n<p><strong>Application<\/strong><br \/>\nPluvial<\/p>\n<p><strong>Longueur totale<\/strong><br \/>\n7 ml r\u00e9servoir de chasse + 80 ml r\u00e9seau associ\u00e9<\/p>\n<p><strong>Caract\u00e9ristiques des tuyaux\u00a0<\/strong><br \/>\nDN 3000 r\u00e9servoir de chasse + DN 2400 r\u00e9seau associ\u00e9, SN 5000, PN 1<\/p>\n<p><strong>Entreprises<\/strong><br \/>\nNGE \u2013 EHTP<\/p>\n<p><strong>Ma\u00eetre d\u2019Ouvrage\u00a0<\/strong><br \/>\nCommunaut\u00e9 Urbaine Clermont Auvergne M\u00e9tropole<\/p>\n<p><strong>Concepteur du syst\u00e8me de chasse<\/strong><br \/>\nRomag France<\/p>\n<p><strong>Ma\u00eetre d\u2019\u0153uvre<\/strong><br \/>\nEgis<\/p>\n<\/div><\/section><br \/>\n<div  class='avia-video av-kill1ja6-372eb28232a1283548619272c02b05b1 avia-video-16-9 av-no-preview-image avia-video-load-always av-lazyload-immediate av-lazyload-video-embed'  itemprop=\"video\" itemtype=\"https:\/\/schema.org\/VideoObject\"  data-original_url='https:\/\/www.youtube.com\/embed\/_FyiFRb1f2U'><script type='text\/html' class='av-video-tmpl'><div class='avia-iframe-wrap'><iframe loading=\"lazy\" title=\"Timelapse Roosendaal GVK boring\" width=\"1500\" height=\"844\" src=\"https:\/\/www.youtube.com\/embed\/_FyiFRb1f2U?feature=oembed&autoplay=0&loop=0&controls=1&mute=0\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen><\/iframe><\/div><\/script><div class='av-click-to-play-overlay'><div class=\"avia_playpause_icon\"><\/div><\/div><\/div><\/p><\/div><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Construction du bassin de stockage-restitution des eaux pluviales de Belle-Ombre et de ses r\u00e9seaux associ\u00e9s La m\u00e9tropole Clermontoise \u00e9tant dot\u00e9e principalement d\u2019un r\u00e9se&#8230;<\/p>\n","protected":false},"author":4,"featured_media":1121,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[33],"tags":[],"class_list":["post-1120","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-reference-fr"],"_links":{"self":[{"href":"https:\/\/www.hobas.com\/fr\/wp-json\/wp\/v2\/posts\/1120","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.hobas.com\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.hobas.com\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.hobas.com\/fr\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/www.hobas.com\/fr\/wp-json\/wp\/v2\/comments?post=1120"}],"version-history":[{"count":1,"href":"https:\/\/www.hobas.com\/fr\/wp-json\/wp\/v2\/posts\/1120\/revisions"}],"predecessor-version":[{"id":1126,"href":"https:\/\/www.hobas.com\/fr\/wp-json\/wp\/v2\/posts\/1120\/revisions\/1126"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.hobas.com\/fr\/wp-json\/wp\/v2\/media\/1121"}],"wp:attachment":[{"href":"https:\/\/www.hobas.com\/fr\/wp-json\/wp\/v2\/media?parent=1120"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.hobas.com\/fr\/wp-json\/wp\/v2\/categories?post=1120"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.hobas.com\/fr\/wp-json\/wp\/v2\/tags?post=1120"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}