{"id":2003,"date":"2025-10-29T21:44:22","date_gmt":"2025-10-30T00:44:22","guid":{"rendered":"https:\/\/gnrambiental.com.br\/noticias\/?p=2003"},"modified":"2025-10-29T21:44:22","modified_gmt":"2025-10-30T00:44:22","slug":"epns-em-sao-paulo-estudo-de-previsao-de-nivel-sonoro-com-base-na-iso-9613-e-cetesb","status":"publish","type":"post","link":"https:\/\/gnrambiental.com.br\/noticias\/epns-em-sao-paulo-estudo-de-previsao-de-nivel-sonoro-com-base-na-iso-9613-e-cetesb\/","title":{"rendered":"EPNS em S\u00e3o Paulo \u2013 Estudo de Previs\u00e3o de N\u00edvel Sonoro com base na ISO 9613 e CETESB"},"content":{"rendered":"<h1 data-start=\"368\" data-end=\"458\"><strong data-start=\"370\" data-end=\"458\">EPNS em S\u00e3o Paulo \u2013 Estudo de Previs\u00e3o de N\u00edvel Sonoro com base na ISO 9613 e CETESB<\/strong><\/h1>\n<p data-start=\"460\" data-end=\"943\">O <strong data-start=\"462\" data-end=\"507\">EPNS \u2013 Estudo de Previs\u00e3o de N\u00edvel Sonoro<\/strong> \u00e9 um estudo t\u00e9cnico exigido pela <strong data-start=\"541\" data-end=\"551\">CETESB<\/strong> em processos de <strong data-start=\"568\" data-end=\"595\">licenciamento ambiental<\/strong> de empreendimentos industriais, comerciais e de infraestrutura.<br data-start=\"659\" data-end=\"662\" \/>Seu objetivo \u00e9 <strong data-start=\"677\" data-end=\"790\">estimar, por meio de modelagem ac\u00fastica, os n\u00edveis de ru\u00eddo que ser\u00e3o gerados pela opera\u00e7\u00e3o do empreendimento<\/strong> e verificar se estar\u00e3o em conformidade com os <strong data-start=\"837\" data-end=\"889\">limites legais estabelecidos pela NBR 10151:2019<\/strong> e pela <strong data-start=\"897\" data-end=\"942\">Decis\u00e3o de Diretoria CETESB n\u00ba 389\/2010\/P<\/strong>.<\/p>\n<p data-start=\"945\" data-end=\"1347\">A <strong data-start=\"947\" data-end=\"964\">GNR Ambiental<\/strong> elabora <strong data-start=\"973\" data-end=\"994\">EPNS em S\u00e3o Paulo<\/strong> para <strong data-start=\"1000\" data-end=\"1036\">fontes fixas e sistemas lineares<\/strong>, aplicando <strong data-start=\"1048\" data-end=\"1091\">modelos reconhecidos internacionalmente<\/strong> e utilizando o <strong data-start=\"1107\" data-end=\"1126\">software iNoise<\/strong>, desenvolvido pela <a class=\"decorated-link\" href=\"https:\/\/dgmrsoftware.com\/products\/inoise\/\" target=\"_new\" rel=\"noopener\" data-start=\"1146\" data-end=\"1204\">DGMR Software<\/a>.<br data-start=\"1205\" data-end=\"1208\" \/>Esse software emprega o m\u00e9todo de propaga\u00e7\u00e3o <strong data-start=\"1253\" data-end=\"1269\">ISO 9613-1\/2<\/strong>, garantindo precis\u00e3o, rastreabilidade e aceita\u00e7\u00e3o t\u00e9cnica junto \u00e0 <strong data-start=\"1336\" data-end=\"1346\">CETESB<\/strong>.<\/p>\n<hr data-start=\"1349\" data-end=\"1352\" \/>\n<h2 data-start=\"1354\" data-end=\"1374\"><strong data-start=\"1357\" data-end=\"1374\">Tipos de EPNS<\/strong><\/h2>\n<h3 data-start=\"1376\" data-end=\"1407\">\ud83d\udd39 <strong data-start=\"1383\" data-end=\"1407\">EPNS de Fontes Fixas<\/strong><\/h3>\n<p data-start=\"1408\" data-end=\"1671\">Aplicado a ind\u00fastrias, com\u00e9rcios, condom\u00ednios e empreendimentos que possuam <strong data-start=\"1484\" data-end=\"1519\">equipamentos emissores de ru\u00eddo<\/strong> \u2014 como chillers, compressores, ventiladores, geradores, torres de resfriamento ou exaustores.<br data-start=\"1613\" data-end=\"1616\" \/>De acordo com o <strong data-start=\"1632\" data-end=\"1653\">roteiro da CETESB<\/strong>, o estudo deve:<\/p>\n<ul data-start=\"1673\" data-end=\"2069\">\n<li data-start=\"1673\" data-end=\"1738\">\n<p data-start=\"1675\" data-end=\"1738\">Incluir todas as <strong data-start=\"1692\" data-end=\"1735\">fontes sonoras operando simultaneamente<\/strong>;<\/p>\n<\/li>\n<li data-start=\"1739\" data-end=\"1813\">\n<p data-start=\"1741\" data-end=\"1813\">Considerar <strong data-start=\"1752\" data-end=\"1810\">condi\u00e7\u00f5es topogr\u00e1ficas, reflex\u00f5es e vento predominante<\/strong>;<\/p>\n<\/li>\n<li data-start=\"1814\" data-end=\"1881\">\n<p data-start=\"1816\" data-end=\"1881\">Apresentar <strong data-start=\"1827\" data-end=\"1859\">mapas de ru\u00eddo com isolinhas<\/strong> em escala adequada;<\/p>\n<\/li>\n<li data-start=\"1882\" data-end=\"1980\">\n<p data-start=\"1884\" data-end=\"1980\">Demonstrar conformidade com a <strong data-start=\"1914\" data-end=\"1937\">ABNT NBR 10151:2019<\/strong> (avalia\u00e7\u00e3o do ru\u00eddo em \u00e1reas habitadas);<\/p>\n<\/li>\n<li data-start=\"1981\" data-end=\"2069\">\n<p data-start=\"1983\" data-end=\"2069\">Propor <strong data-start=\"1990\" data-end=\"2013\">medidas mitigadoras<\/strong> quando os n\u00edveis previstos superarem os limites legais.<\/p>\n<\/li>\n<\/ul>\n<h3 data-start=\"2071\" data-end=\"2107\">\ud83d\udd39 <strong data-start=\"2078\" data-end=\"2107\">EPNS de Sistemas Lineares<\/strong><\/h3>\n<p data-start=\"2108\" data-end=\"2223\">Destinado a obras de infraestrutura \u2014 <strong data-start=\"2146\" data-end=\"2200\">rodovias, ferrovias, metr\u00f4s e corredores de \u00f4nibus<\/strong>.<br data-start=\"2201\" data-end=\"2204\" \/>O estudo considera:<\/p>\n<ul data-start=\"2225\" data-end=\"2630\">\n<li data-start=\"2225\" data-end=\"2299\">\n<p data-start=\"2227\" data-end=\"2299\">Volume Di\u00e1rio M\u00e9dio (VDM), n\u00famero de composi\u00e7\u00f5es ou fluxo de ve\u00edculos;<\/p>\n<\/li>\n<li data-start=\"2300\" data-end=\"2385\">\n<p data-start=\"2302\" data-end=\"2385\">Cen\u00e1rio mais cr\u00edtico de opera\u00e7\u00e3o (velocidade m\u00e1xima, aclives, ru\u00eddo de frenagem);<\/p>\n<\/li>\n<li data-start=\"2386\" data-end=\"2440\">\n<p data-start=\"2388\" data-end=\"2440\"><strong data-start=\"2388\" data-end=\"2407\">Mapas ac\u00fasticos<\/strong> em escalas 1:10 000 e 1:2 000;<\/p>\n<\/li>\n<li data-start=\"2441\" data-end=\"2533\">\n<p data-start=\"2443\" data-end=\"2533\">Compara\u00e7\u00e3o entre <strong data-start=\"2460\" data-end=\"2482\">n\u00edvel medido (Lra)<\/strong>, <strong data-start=\"2484\" data-end=\"2502\">n\u00edvel previsto<\/strong> e <strong data-start=\"2505\" data-end=\"2530\">n\u00edvel total combinado<\/strong>;<\/p>\n<\/li>\n<li data-start=\"2534\" data-end=\"2630\">\n<p data-start=\"2536\" data-end=\"2630\">Mitiga\u00e7\u00f5es como <strong data-start=\"2552\" data-end=\"2629\">barreiras ac\u00fasticas, reorienta\u00e7\u00e3o de tra\u00e7ado ou enclausuramento de fontes<\/strong>.<\/p>\n<\/li>\n<\/ul>\n<hr data-start=\"2632\" data-end=\"2635\" \/>\n<h2 data-start=\"2637\" data-end=\"2674\"><strong data-start=\"2640\" data-end=\"2674\">Metodologia e normas aplicadas<\/strong><\/h2>\n<p data-start=\"2676\" data-end=\"2771\">Os <strong data-start=\"2679\" data-end=\"2704\">EPNS da GNR Ambiental<\/strong> seguem as normas e diretrizes t\u00e9cnicas nacionais e internacionais:<\/p>\n<ul data-start=\"2773\" data-end=\"3351\">\n<li data-start=\"2773\" data-end=\"2841\">\n<p data-start=\"2775\" data-end=\"2841\"><strong data-start=\"2775\" data-end=\"2798\">ABNT NBR 10151:2019<\/strong> \u2013 Avalia\u00e7\u00e3o do ru\u00eddo em \u00e1reas habitadas;<\/p>\n<\/li>\n<li data-start=\"2842\" data-end=\"2924\">\n<p data-start=\"2844\" data-end=\"2924\"><strong data-start=\"2844\" data-end=\"2875\">Roteiros oficiais da CETESB<\/strong> para EPNS de Fontes Fixas e Sistemas Lineares;<\/p>\n<\/li>\n<li data-start=\"2925\" data-end=\"2975\">\n<p data-start=\"2927\" data-end=\"2975\"><strong data-start=\"2927\" data-end=\"2972\">Decis\u00e3o de Diretoria CETESB n\u00ba 389\/2010\/P<\/strong>;<\/p>\n<\/li>\n<li data-start=\"2976\" data-end=\"3351\">\n<p data-start=\"2978\" data-end=\"3120\"><strong data-start=\"2978\" data-end=\"3045\">ISO 9613-1\/2 \u2013 Attenuation of sound during propagation outdoors<\/strong>, empregada no <strong data-start=\"3060\" data-end=\"3070\">iNoise<\/strong> para calcular a propaga\u00e7\u00e3o sonora considerando:<\/p>\n<ul data-start=\"3123\" data-end=\"3351\">\n<li data-start=\"3123\" data-end=\"3161\">\n<p data-start=\"3125\" data-end=\"3161\">Absor\u00e7\u00e3o atmosf\u00e9rica (ISO 9613-1);<\/p>\n<\/li>\n<li data-start=\"3164\" data-end=\"3265\">\n<p data-start=\"3166\" data-end=\"3265\">Propaga\u00e7\u00e3o em campo aberto com efeitos de solo, topografia, barreiras e edifica\u00e7\u00f5es (ISO 9613-2);<\/p>\n<\/li>\n<li data-start=\"3268\" data-end=\"3351\">\n<p data-start=\"3270\" data-end=\"3351\">Condi\u00e7\u00f5es meteorol\u00f3gicas favor\u00e1veis \u00e0 propaga\u00e7\u00e3o, conforme cen\u00e1rio conservador.<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<hr data-start=\"3353\" data-end=\"3356\" \/>\n<h2 data-start=\"3358\" data-end=\"3408\"><strong data-start=\"3361\" data-end=\"3408\">Etapas do EPNS elaborado pela GNR Ambiental<\/strong><\/h2>\n<p data-start=\"3410\" data-end=\"3999\">1\ufe0f\u20e3 <strong data-start=\"3414\" data-end=\"3457\">Medi\u00e7\u00f5es de ru\u00eddo residual (Lres )<\/strong>\u00a0conforme <strong data-start=\"3467\" data-end=\"3485\">NBR 10151:2019<\/strong>;<br data-start=\"3486\" data-end=\"3489\" \/>2\ufe0f\u20e3 <strong data-start=\"3493\" data-end=\"3552\">Defini\u00e7\u00e3o dos Receptores Potencialmente Cr\u00edticos (RPCs)<\/strong> e mapeamento do entorno;<br data-start=\"3577\" data-end=\"3580\" \/>3\ufe0f\u20e3 <strong data-start=\"3584\" data-end=\"3625\">Modelagem ac\u00fastica no software iNoise<\/strong>, com c\u00e1lculo em bandas de 1\/3 de oitava e propaga\u00e7\u00e3o ISO 9613-1\/2;<br data-start=\"3692\" data-end=\"3695\" \/>4\ufe0f\u20e3 <strong data-start=\"3699\" data-end=\"3753\">Simula\u00e7\u00e3o do cen\u00e1rio operacional do empreendimento<\/strong>;<br data-start=\"3754\" data-end=\"3757\" \/>5\ufe0f\u20e3 <strong data-start=\"3761\" data-end=\"3830\">Gera\u00e7\u00e3o de mapas ac\u00fasticos e an\u00e1lise de conformidade com a CETESB<\/strong>;<br data-start=\"3831\" data-end=\"3834\" \/>6\ufe0f\u20e3 <strong data-start=\"3838\" data-end=\"3904\">Proposi\u00e7\u00e3o de medidas mitigadoras e reavalia\u00e7\u00e3o ap\u00f3s simula\u00e7\u00e3o<\/strong>;<br data-start=\"3905\" data-end=\"3908\" \/>7\ufe0f\u20e3 <strong data-start=\"3912\" data-end=\"3998\">Elabora\u00e7\u00e3o do relat\u00f3rio t\u00e9cnico com ART registrada e rastreabilidade de calibra\u00e7\u00e3o<\/strong>.<\/p>\n<hr data-start=\"4001\" data-end=\"4004\" \/>\n<h2 data-start=\"4006\" data-end=\"4045\"><strong data-start=\"4009\" data-end=\"4045\">Por que escolher a GNR Ambiental<\/strong><\/h2>\n<p data-start=\"4047\" data-end=\"4460\">\u2714\ufe0f <strong data-start=\"4050\" data-end=\"4126\">Engenheiros ambientais e ac\u00fasticos especializados em modelagem preditiva<\/strong>;<br data-start=\"4127\" data-end=\"4130\" \/>\u2714\ufe0f <strong data-start=\"4133\" data-end=\"4174\">Acredita\u00e7\u00e3o ISO 17025 (CGCRE\/INMETRO)<\/strong> para medi\u00e7\u00f5es conforme <strong data-start=\"4198\" data-end=\"4211\">NBR 10151<\/strong>;<br data-start=\"4212\" data-end=\"4215\" \/>\u2714\ufe0f <strong data-start=\"4218\" data-end=\"4243\">Certifica\u00e7\u00e3o ISO 9001<\/strong> para todos os servi\u00e7os t\u00e9cnicos;<br data-start=\"4276\" data-end=\"4279\" \/>\u2714\ufe0f Uso do <strong data-start=\"4289\" data-end=\"4324\">software iNoise (DGMR Software)<\/strong>, compat\u00edvel com as exig\u00eancias da <strong data-start=\"4358\" data-end=\"4368\">CETESB<\/strong>;<br data-start=\"4369\" data-end=\"4372\" \/>\u2714\ufe0f Atendimento em <strong data-start=\"4390\" data-end=\"4457\">S\u00e3o Paulo, ABC Paulista, Osasco, Guarulhos e interior do Estado<\/strong>.<\/p>\n<hr data-start=\"4462\" data-end=\"4465\" \/>\n<h2 data-start=\"4467\" data-end=\"4497\"><strong data-start=\"4470\" data-end=\"4497\">Servi\u00e7os complementares<\/strong><\/h2>\n<ul data-start=\"4499\" data-end=\"4949\">\n<li data-start=\"4499\" data-end=\"4589\">\n<p data-start=\"4501\" data-end=\"4589\"><a class=\"decorated-link\" href=\"https:\/\/gnrambiental.com.br\/laudo-de-ruido\" target=\"_new\" rel=\"noopener\" data-start=\"4501\" data-end=\"4587\"><strong data-start=\"4502\" data-end=\"4542\">Laudo de Ru\u00eddo Ambiental (NBR 10151)<\/strong><\/a><\/p>\n<\/li>\n<li data-start=\"4590\" data-end=\"4670\">\n<p data-start=\"4592\" data-end=\"4670\"><a class=\"decorated-link\" href=\"https:\/\/gnrambiental.com.br\/EIV\" target=\"_new\" rel=\"noopener\" data-start=\"4592\" data-end=\"4668\"><strong data-start=\"4593\" data-end=\"4634\">EIV \u2013 Estudo de Impacto de Vizinhan\u00e7a<\/strong><\/a><\/p>\n<\/li>\n<li data-start=\"4671\" data-end=\"4748\">\n<p data-start=\"4673\" data-end=\"4748\"><a class=\"decorated-link\" href=\"https:\/\/gnrambiental.com.br\" target=\"_new\" rel=\"noopener\" data-start=\"4673\" data-end=\"4746\"><strong data-start=\"4674\" data-end=\"4716\">RIT \u2013 Relat\u00f3rio de Impacto no Tr\u00e2nsito<\/strong><\/a><\/p>\n<\/li>\n<li data-start=\"4749\" data-end=\"4864\">\n<p data-start=\"4751\" data-end=\"4864\"><a class=\"decorated-link\" href=\"https:\/\/gnrambiental.com.br\/plano-de-gerenciamento-de-residuos\" target=\"_new\" rel=\"noopener\" data-start=\"4751\" data-end=\"4862\"><strong data-start=\"4752\" data-end=\"4797\">PGRS \u2013 Plano de Gerenciamento de Res\u00edduos<\/strong><\/a><\/p>\n<\/li>\n<li data-start=\"4865\" data-end=\"4949\">\n<p data-start=\"4867\" data-end=\"4949\"><a class=\"decorated-link\" href=\"https:\/\/gnrambiental.com.br\/laudo-de-acessibilidade\" target=\"_new\" rel=\"noopener\" data-start=\"4867\" data-end=\"4949\"><strong data-start=\"4868\" data-end=\"4895\">Laudo de Acessibilidade<\/strong><\/a><\/p>\n<\/li>\n<\/ul>\n<hr data-start=\"4951\" data-end=\"4954\" \/>\n<h2 data-start=\"4956\" data-end=\"4984\"><strong data-start=\"4959\" data-end=\"4984\">Solicite um or\u00e7amento<\/strong><\/h2>\n<p data-start=\"4986\" data-end=\"5072\">\ud83d\udcde <strong data-start=\"4989\" data-end=\"5007\">(11) 2374-1201<\/strong><br data-start=\"5007\" data-end=\"5010\" \/>\ud83d\udcf1 <strong data-start=\"5013\" data-end=\"5032\">(11) 95277-2125<\/strong><br data-start=\"5032\" data-end=\"5035\" \/>\u2709\ufe0f <strong data-start=\"5038\" data-end=\"5072\"><a class=\"decorated-link cursor-pointer\" rel=\"noopener\" data-start=\"5040\" data-end=\"5070\">comercial2@gnrambiental.com.br<\/a><\/strong><\/p>\n<p data-start=\"5074\" data-end=\"5309\">A <strong data-start=\"5076\" data-end=\"5093\">GNR Ambiental<\/strong> \u00e9 refer\u00eancia em <strong data-start=\"5110\" data-end=\"5131\">EPNS em S\u00e3o Paulo<\/strong>, aplicando <strong data-start=\"5143\" data-end=\"5196\">modelagem ac\u00fastica com ISO 9613 e software iNoise<\/strong>, garantindo <strong data-start=\"5209\" data-end=\"5256\">precis\u00e3o t\u00e9cnica, conformidade com a CETESB<\/strong> e <strong data-start=\"5259\" data-end=\"5308\">seguran\u00e7a jur\u00eddica no licenciamento ambiental<\/strong>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>EPNS em S\u00e3o Paulo \u2013 Estudo de Previs\u00e3o de N\u00edvel Sonoro com base na ISO 9613 e CETESB O EPNS \u2013 Estudo de Previs\u00e3o de N\u00edvel Sonoro \u00e9 um estudo t\u00e9cnico exigido pela CETESB em processos de licenciamento ambiental de empreendimentos industriais, comerciais e de infraestrutura.Seu objetivo \u00e9 estimar, por meio de modelagem ac\u00fastica, os [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":"","_joinchat":[],"footnotes":""},"categories":[1],"tags":[],"class_list":["post-2003","post","type-post","status-publish","format-standard","hentry","category-sem-categoria"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.6 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>EPNS em S\u00e3o Paulo \u2013 Estudo de Previs\u00e3o de N\u00edvel Sonoro com base na ISO 9613 e CETESB - GNR Ambiental<\/title>\n<meta name=\"description\" content=\"EPNS em S\u00e3o Paulo \u2013 Estudo de Previs\u00e3o de N\u00edvel Sonoro conforme CETESB, NBR 10151 e ISO 9613. 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