{"id":9681,"date":"2026-10-21T13:22:46","date_gmt":"2026-10-21T11:22:46","guid":{"rendered":"https:\/\/www.deschacht.eu\/?post_type=realisaties&p=9681"},"modified":"2026-10-21T13:22:47","modified_gmt":"2026-10-21T11:22:47","slug":"geisoleerde-cool-fit-buizen-garanderen-de-drinkwatervoorziening","status":"publish","type":"realisaties","link":"https:\/\/www.deschacht.eu\/fr\/realisaties\/geisoleerde-cool-fit-buizen-garanderen-de-drinkwatervoorziening\/","title":{"rendered":"R\u00e9novation du pont de la Semois \u00e0 Tintigny : des tuyaux Cool-fit isol\u00e9s pour garantir l\u2019alimentation en eau potable"},"content":{"rendered":"
\n

Lors de la r\u00e9novation du pont de la Semois sur la N879 \u00e0 Tintigny, un d\u00e9fi majeur s\u2019est pr\u00e9sent\u00e9 : maintenir l\u2019alimentation en eau potable de la commune sans interruption pendant les travaux, tout en cr\u00e9ant une nouvelle travers\u00e9e d\u00e9finitive du r\u00e9seau. Pour r\u00e9pondre \u00e0 cette contrainte, l\u2019entreprise Deumer, membre du Groupe Joly, a fait appel \u00e0 Deschacht pour concevoir et fournir une solution compl\u00e8te int\u00e9grant pr\u00e8s de 55 m\u00e8tres de conduite pr\u00e9-isol\u00e9e COOL-FIT 4.0 de Georg Fischer.<\/p>\n\n\n\n

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Une conduite d\u2019eau potable d\u00e9plac\u00e9e \u00e0 l\u2019ext\u00e9rieur du pont<\/strong><\/p>\n\n\n\n

Contrairement \u00e0 une d\u00e9viation temporaire de chantier, la nouvelle conduite install\u00e9e \u00e0 l\u2019ext\u00e9rieur du pont a \u00e9t\u00e9 con\u00e7ue comme une solution permanente. Elle restera en service apr\u00e8s la r\u00e9novation de l\u2019ouvrage et constitue d\u00e9sormais le nouveau trac\u00e9 du r\u00e9seau d\u2019eau potable \u00e0 cet endroit.<\/p>\n\n\n\n

Cette nouvelle configuration imposait toutefois une contrainte importante : prot\u00e9ger l\u2019eau potable contre le gel durant les p\u00e9riodes hivernales.<\/p>\n\n\n\n

Le choix du syst\u00e8me pr\u00e9-isol\u00e9 COOL-FIT 4.0<\/strong><\/p>\n\n\n\n

Apr\u00e8s analyse, Deschacht a propos\u00e9 le syst\u00e8me COOL-FIT 4.0 de Georg Fischer. Cette solution associe un tube pression en PEHD pour l\u2019eau potable \u00e0 une isolation haute performance en PIR et \u00e0 une coque de protection ext\u00e9rieure en poly\u00e9thyl\u00e8ne.<\/p>\n\n\n\n

Gr\u00e2ce \u00e0 sa conception pr\u00e9-isol\u00e9e et \u00e0 ses manchons \u00e9lectrosoudables isol\u00e9s, le syst\u00e8me garantit une excellente protection thermique tout en simplifiant consid\u00e9rablement la mise en \u0153uvre sur chantier. Con\u00e7u pour une utilisation durable, il offre une protection efficace contre le gel et r\u00e9pond aux exigences d'une infrastructure d'eau potable destin\u00e9e \u00e0 rester en service sur le long terme.<\/p>\n\n\n\n

Consoles Walraven et raccordements sur mesure<\/strong><\/p>\n\n\n\n

Des consoles de fixation Walraven ont \u00e9t\u00e9 int\u00e9gr\u00e9es au projet afin d\u2019assurer une fixation robuste sur le voile du pont et de reprendre les contraintes m\u00e9caniques li\u00e9es aux mouvements de la conduite.<\/p>\n\n\n\n

Les \u00e9quipes sp\u00e9cialis\u00e9es de Deschacht ont \u00e9galement dimensionn\u00e9 les raccordements et les pi\u00e8ces de transition n\u00e9cessaires entre les r\u00e9seaux existants en fonte et la nouvelle conduite.<\/p>\n\n\n\n

\u00ab Deumer nous a pr\u00e9sent\u00e9 une probl\u00e9matique concr\u00e8te et nous avons pu lui proposer une solution compl\u00e8te, plus simple \u00e0 mettre en \u0153uvre et techniquement robuste. C\u2019est pr\u00e9cis\u00e9ment notre r\u00f4le : \u00e9couter les contraintes du chantier, associer les bons produits et accompagner nos clients vers la solution la plus efficace<\/p>\n\n\n\n

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