{"id":767,"date":"2021-12-19T10:04:21","date_gmt":"2021-12-19T10:04:21","guid":{"rendered":"https:\/\/arquitecturasincera.com\/como-el-nuevo-cte-nos-conduce-hacia-una-arquitectura-mas-energeticamente-eficiente-y-saludable\/"},"modified":"2022-01-17T09:12:11","modified_gmt":"2022-01-17T09:12:11","slug":"como-el-nuevo-cte-nos-conduce-hacia-una-arquitectura-mas-energeticamente-eficiente-y-saludable","status":"publish","type":"post","link":"https:\/\/arquitecturasincera.com\/ca\/como-el-nuevo-cte-nos-conduce-hacia-una-arquitectura-mas-energeticamente-eficiente-y-saludable\/","title":{"rendered":"Com el nou CTE ens condueix cap a una arquitectura m\u00e9s energ\u00e8ticament eficient i saludable"},"content":{"rendered":"\n<p>El CTE o Codi T\u00e8cnic de l'Edificaci\u00f3 \u00e9s el conjunt de normes (definides en diferents cap\u00edtols anomenats Documents B\u00e0sics o DB) que des del 2006 regulen la construcci\u00f3 d'edificis a Espanya. A finals de l'any 2019, el butllet\u00ed oficial de l'estat va publicar un nou decret pel qual el CTE es modificava per tal de millorar les prestacions dels edificis, la seguretat i salut de les persones que els habiten i de les que habiten al seu entorn.<\/p>\n\n\n\n<p>El nou CTE \u00e9s daplicaci\u00f3 obligat\u00f2ria no nom\u00e9s per a les obres de nova construcci\u00f3 sin\u00f3 tamb\u00e9 per a les obres d'intervenci\u00f3 en edificis existents. Amb els canvis a la normativa, els edificis tindran una alta efici\u00e8ncia energ\u00e8tica i una contribuci\u00f3 m\u00e9s gran d'energia procedent de fonts renovables, resultant en una reducci\u00f3 del consum d'energia del 40%.<\/p>\n\n\n\n<p>Els DB que han estat modificats al nou CTE, s\u00f3n els seg\u00fcents:<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Document B\u00e0sic HS Salubridad,&nbsp;HS 6 Protecci\u00f3 davant de l'exposici\u00f3 al rad\u00f3<\/h4>\n\n\n\n<p>Es tracta d'una nova secci\u00f3 en aquest DB, i t\u00e9 com a objectiu protegir les persones dels efectes sobre la salut que es poden derivar d'una exposici\u00f3 perllongada a concentracions elevades de gas rad\u00f3 a l'interior dels edificis. No \u00e9s aplicable en locals no habitables com els garatges, trasters i cambres t\u00e8cniques.<\/p>\n\n\n\n<p>El rad\u00f3 \u00e9s un gas d'origen natural que es produeix a partir de la desintegraci\u00f3 radioactiva de l'urani, present a s\u00f2ls, roques i aigua. Aquest emana i passa a l'aire, on es desintegra i emet part\u00edcules radioactives. En respirar, aquestes part\u00edcules es dipositen a les vies respirat\u00f2ries podent danyar l'ADN i provocar c\u00e0ncer de pulm\u00f3. El gas rad\u00f3, s'infiltra als edificis a trav\u00e9s d'esquerdes i juntes i mitjan\u00e7ant la porositat dels mateixos materials de construcci\u00f3, per aix\u00f2, les plantes inferiors tenen m\u00e9s concentraci\u00f3.<\/p>\n\n\n\n<p>En aquesta secci\u00f3 sestableix el nivell de refer\u00e8ncia anual 300Bq\/m (Bq \u00e9s unitat derivada que mesura lactivitat radioactiva) com el nivell m\u00e0xim permissible. A partir d'aquest, cal aplicar mesures de protecci\u00f3. Per aix\u00f2 el CTE classifica les concentracions de gas rad\u00f3 per municipis en funci\u00f3 del nivell de risc, i recull les mesures reglament\u00e0ries a aplicar, per limitar la seva penetraci\u00f3 als edificis de nova construcci\u00f3. Per a intervencions en edificis existents a municipis amb pres\u00e8ncia de rad\u00f3 igual o superior al nivell de refer\u00e8ncia, les solucions complement\u00e0ries a les pr\u00f2pies d'obra nova s\u00f3n el segellat dels tancaments en contacte amb el terreny i la millora de la ventilaci\u00f3.<\/p>\n\n\n<div class=\"pgc-sgb-cb wp-block-pgcsimplygalleryblock-grid \" data-gallery-id=\"45449871\"><div class=\"sgb-preloader\" id=\"pr_45449871\">\n\t<div class=\"sgb-square\" style=\"background:#d4d4d4\"><\/div>\n\t<div class=\"sgb-square\" style=\"background:#d4d4d4\"><\/div>\n\t<div class=\"sgb-square\" style=\"background:#d4d4d4\"><\/div>\n\t<div class=\"sgb-square\" style=\"background:#d4d4d4\"><\/div><\/div><div class=\"simply-gallery-amp pgc_sgb_slider \"><noscript><div class=\"sgb-gallery\"><div class=\"sgb-item\"><a href=\"https:\/\/arquitecturasincera.com\/ca\/como-el-nuevo-cte-nos-conduce-hacia-una-arquitectura-mas-energeticamente-eficiente-y-saludable\/radon-2-2\/\" 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&& window.PGC_SGB.searcher){window.PGC_SGB.searcher.initBlocks()}})()<\/script><\/div>\n\n\n<h4 class=\"wp-block-heading\">Document B\u00e0sic HE, Estalvi d'Energia<\/h4>\n\n\n\n<p>Contribuci\u00f3 denergies renovables. Per aix\u00f2 es revisen els valors m\u00ednims d'efici\u00e8ncia energ\u00e8tica per reduir les emissions de gasos d'efecte hivernacle, es millora la qualitat de les envolupants t\u00e8rmiques i es fomenta l'\u00fas de les tecnologies m\u00e9s eficients i sostenibles per condicionar-lo, cosa que permet assolir unes condicions adequades de confort amb la m\u00ednima despesa energ\u00e8tica, mitigant el canvi clim\u00e0tic i minimitzant la depend\u00e8ncia energ\u00e8tica.<\/p>\n\n\n<div class=\"pgc-sgb-cb wp-block-pgcsimplygalleryblock-grid \" data-gallery-id=\"8f193894\"><div class=\"sgb-preloader\" id=\"pr_8f193894\">\n\t<div class=\"sgb-square\" style=\"background:#d4d4d4\"><\/div>\n\t<div class=\"sgb-square\" style=\"background:#d4d4d4\"><\/div>\n\t<div class=\"sgb-square\" style=\"background:#d4d4d4\"><\/div>\n\t<div class=\"sgb-square\" style=\"background:#d4d4d4\"><\/div><\/div><div class=\"simply-gallery-amp pgc_sgb_slider \"><noscript><div class=\"sgb-gallery\"><div 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&& window.PGC_SGB.searcher){window.PGC_SGB.searcher.initBlocks()}})()<\/script><\/div>\n\n\n<p>Per millorar la qualitat de les envolupants, es limiten els valors m\u00e0xims de transmit\u00e0ncia t\u00e8rmica de cada element d'aquestes, i ara s\u00f3n m\u00e9s exigents.<\/p>\n\n\n\n<p>&nbsp;I, finalment, es determina que la contribuci\u00f3 m\u00ednima denergia renovable cobrir\u00e0 almenys al 50% de la demanda energ\u00e8tica anual per a ACS i\/o climatitzaci\u00f3 de piscina. Podent ser coberta per altres alternatives renovables, no nom\u00e9s amb sistemes denergia solar t\u00e8rmica.<\/p>\n\n\n\n<p>A m\u00e9s d'aquests canvis que tenen relaci\u00f3 directa amb l'efici\u00e8ncia energ\u00e8tica aix\u00ed com amb la salut a l'interior dels habitatges, tenim una altra modificaci\u00f3 que garanteix m\u00e9s protecci\u00f3 davant del foc:<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Document B\u00e0sic SI, Seguretat en Cas d'Incendi<\/h4>\n\n\n\n<p>El canvi en aquest DB se centra a la secci\u00f3 SI2 de Propagaci\u00f3 Exterior, on es delimita l'&amp;risc de propagaci\u00f3 d'incendi per l'exterior de l'edifici. Afectar les exig\u00e8ncies de reacci\u00f3 al foc dels sistemes constructius de fa\u00e7anes i mitgeres per l'exterior. \u00c9s aplicable en edificis de nova construcci\u00f3 i intervencions en elements en actuacions de rehabilitaci\u00f3 de la fa\u00e7ana o mitgera per l'exterior.<\/p>\n\n\n\n<p>Els nous requeriments reglamentaris s\u00f3n la conseq\u00fc\u00e8ncia de l'increment de les exig\u00e8ncies d'efici\u00e8ncia energ\u00e8tica de l'envoltant dels edificis, aix\u00ed com de l'adaptaci\u00f3 a les caracter\u00edstiques tecnol\u00f2giques dels nous sistemes de fa\u00e7anes i sistemes d'a\u00efllament de les cambres ventilades i el seu comportament davant del foc, essent l'al\u00e7ada total de la fa\u00e7ana clau per determinar la classe de reacci\u00f3 al foc dels components.<\/p>\n\n\n\n<p>Des d'Arquitectura Sincera estem, des de l'inici de la nostra traject\u00f2ria professional, centrats a dissenyar espais energ\u00e8ticament eficients, \u00e9s per aix\u00f2 que tots els habitatges d'obra nova que hem dissenyat des del 2013 tenen qualificaci\u00f3 energ\u00e8tica A.<\/p>\n\n\n\n<p>Vivim en un pa\u00eds molt ric en energia solar que ens permet per una banda, tenir un clima sense temperatures extremes al qual \u00e9s f\u00e0cil protegir-se per crear espais interiors confortables, i per altra banda ens permet la generaci\u00f3 d'energia renovable per a autoconsum. <br>L'entrada en vigor de les modificacions del CTE ens d\u00f3na als t\u00e8cnics m\u00e9s eines per dissenyar edificis m\u00e9s eficients energ\u00e8ticament, aix\u00ed com tamb\u00e9 m\u00e9s saludables, creant una obligatorietat, amb les noves normatives que ens porten a dissenyar habitatges de consum energ\u00e8tic gaireb\u00e9 nul. <\/p>\n\n\n\n<p>A priori, la inversi\u00f3 inicial per a la construcci\u00f3 d'un habitatge pot ser m\u00e9s elevada en aplicar la nova normativa, per\u00f2 l'amortitzaci\u00f3 amb l'\u00fas de l'habitatge s'ha de recuperar en un curt termini. En els nostres projectes intentem que aquesta amortitzaci\u00f3 no superi els 5 anys, estudiant molt b\u00e9 que l'estalvi energ\u00e8tic de l'habitatge, que es tradueix en estalvi mensual a la despesa de factures de serveis com gas\/electricitat\/aigua... sigui suficient i equilibrat amb la inversi\u00f3 inicial. \u00c9s per aix\u00f2 que trobem l'EQUILIBRI amb el PRESSUPOST de qu\u00e8 disposa el promotor per aconseguir la major AMORTITZACI\u00d3 possible per aix\u00ed reduir al m\u00e0xim el per\u00edode de temps que trigues a recuperar la inversi\u00f3 inicial tenint un habitatge de CONSUM energ\u00e8tic m\u00ednim.<\/p>\n\n\n\n<p>Tenim a les nostres mans aportar el nostre gra de sorra per minimitzar el canvi clim\u00e0tic, i tant de bo poder frenar-lo amb l'esfor\u00e7 de tots, \u00e9s per aix\u00f2 que creiem fermament que qualsevol actuaci\u00f3 que puguem realitzar a favor sempre ser\u00e0 millor que no fer res.<\/p>\n\n\n\n<p> Links de inter\u00e9s:<\/p>\n\n\n\n<p><a href=\"https:\/\/www.boe.es\/boe\/dias\/2019\/12\/27\/pdfs\/BOE-A-2019-18528.pdf\">Real Decreto 732\/2019, de 20 de diciembre, por el que se modifica el C\u00f3digo T\u00e9cnico de la Edificaci\u00f3n.<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/www.codigotecnico.org\/index.php\/menu-documentoscte.html\">C\u00f3digo T\u00e9cnico de la Edificaci\u00f3n<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/www.codigotecnico.org\/images\/stories\/pdf\/salubridad\/DBHS.pdf\">Documento B\u00e1sico HS Salubridad<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/www.codigotecnico.org\/images\/stories\/pdf\/ahorroEnergia\/DBHE.pdf\">Documento B\u00e1sico HE Ahorro de Energ\u00eda<\/a><\/p>\n\n\n\n<p>Documento B\u00e1sico SI Seguridad en Caso de Incendio<\/p>\n","protected":false},"excerpt":{"rendered":"<p>El CTE o Codi T\u00e8cnic de l'Edificaci\u00f3 \u00e9s el conjunt de normes (definides en diferents [&hellip;]<\/p>\n","protected":false},"author":4,"featured_media":332,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"pgc_sgb_lightbox_settings":"","_joinchat":[],"footnotes":""},"categories":[7],"tags":[],"class_list":["post-767","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized-ca"],"acf":[],"_links":{"self":[{"href":"https:\/\/arquitecturasincera.com\/ca\/wp-json\/wp\/v2\/posts\/767","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/arquitecturasincera.com\/ca\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/arquitecturasincera.com\/ca\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/arquitecturasincera.com\/ca\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/arquitecturasincera.com\/ca\/wp-json\/wp\/v2\/comments?post=767"}],"version-history":[{"count":3,"href":"https:\/\/arquitecturasincera.com\/ca\/wp-json\/wp\/v2\/posts\/767\/revisions"}],"predecessor-version":[{"id":863,"href":"https:\/\/arquitecturasincera.com\/ca\/wp-json\/wp\/v2\/posts\/767\/revisions\/863"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/arquitecturasincera.com\/ca\/wp-json\/wp\/v2\/media\/332"}],"wp:attachment":[{"href":"https:\/\/arquitecturasincera.com\/ca\/wp-json\/wp\/v2\/media?parent=767"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/arquitecturasincera.com\/ca\/wp-json\/wp\/v2\/categories?post=767"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/arquitecturasincera.com\/ca\/wp-json\/wp\/v2\/tags?post=767"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}