{"id":7621,"date":"2026-03-18T16:01:25","date_gmt":"2026-03-18T05:01:25","guid":{"rendered":"https:\/\/minetek.com\/?post_type=ra-download&#038;p=7621"},"modified":"2026-03-18T16:03:41","modified_gmt":"2026-03-18T05:03:41","slug":"quiet-mining-case-study-cat-993-noise-compliance","status":"publish","type":"ra-download","link":"https:\/\/minetek.com\/en-us\/resource-hub\/downloads\/quiet-mining-case-study-cat-993-noise-compliance\/","title":{"rendered":"Sound | Queensland Coal Mine &#8211; Sound Attenuation Solution"},"content":{"rendered":"<div class=\"c-cms-content\"><h2><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-7622\" src=\"https:\/\/minetek.com\/wp-content\/themes\/minetek\/assets\/img\/2x1.png\" data-src=\"https:\/\/minetek.com\/wp-content\/uploads\/2026\/03\/SOUND_ebooks_Long-form_Hasting-Deering-x-NAC_09032026-2-707x1000.jpg\" alt=\"Cover for eBook on mining\" width=\"707\" height=\"1000\" srcset=\"https:\/\/minetek.com\/wp-content\/uploads\/2026\/03\/SOUND_ebooks_Long-form_Hasting-Deering-x-NAC_09032026-2-707x1000.jpg 707w, https:\/\/minetek.com\/wp-content\/uploads\/2026\/03\/SOUND_ebooks_Long-form_Hasting-Deering-x-NAC_09032026-2-71x100.jpg 71w, https:\/\/minetek.com\/wp-content\/uploads\/2026\/03\/SOUND_ebooks_Long-form_Hasting-Deering-x-NAC_09032026-2-8x12.jpg 8w, https:\/\/minetek.com\/wp-content\/uploads\/2026\/03\/SOUND_ebooks_Long-form_Hasting-Deering-x-NAC_09032026-2.jpg 1357w\" sizes=\"auto, (max-width: 707px) 100vw, 707px\" \/><noscript><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-7622\" src=\"https:\/\/minetek.com\/wp-content\/uploads\/2026\/03\/SOUND_ebooks_Long-form_Hasting-Deering-x-NAC_09032026-2-707x1000.jpg\" alt=\"Cover for eBook on mining\" width=\"707\" height=\"1000\" srcset=\"https:\/\/minetek.com\/wp-content\/uploads\/2026\/03\/SOUND_ebooks_Long-form_Hasting-Deering-x-NAC_09032026-2-707x1000.jpg 707w, https:\/\/minetek.com\/wp-content\/uploads\/2026\/03\/SOUND_ebooks_Long-form_Hasting-Deering-x-NAC_09032026-2-71x100.jpg 71w, https:\/\/minetek.com\/wp-content\/uploads\/2026\/03\/SOUND_ebooks_Long-form_Hasting-Deering-x-NAC_09032026-2-8x12.jpg 8w, https:\/\/minetek.com\/wp-content\/uploads\/2026\/03\/SOUND_ebooks_Long-form_Hasting-Deering-x-NAC_09032026-2.jpg 1357w\" sizes=\"auto, (max-width: 707px) 100vw, 707px\" \/><\/noscript><\/h2>\n<h2>\u201c<span class=\"a_GcMg font-feature-liga-off font-feature-clig-off font-feature-calt-off text-decoration-none text-strikethrough-none\">You can <mark>barely hear the machine<\/mark> from the lookout. There have\u00a0been comments from the New Acland personnel on how quiet that machine operates<\/span>.\u201d<\/h2>\n<p><strong>Nic Hope<\/strong> \u2013 Resource Industries Account Manager<\/p>\n<h3><strong>Summary<\/strong><\/h3>\n<p>Operating within strict environmental noise limits is a growing challenge for modern mining operations. This case study explores how a Queensland open-cut coal mine introduced a new Caterpillar 993 wheel loader while maintaining compliance with boundary limits below <strong data-start=\"267\" data-end=\"279\">42 dB(A)<\/strong>, where cumulative site noise is continuously monitored and even small increases can impact operational flexibility.<\/p>\n<p>In collaboration with the equipment supplier, Minetek engineered a tailored sound attenuation solution designed to reduce noise at source without compromising airflow, thermal performance, or OEM specifications. Download the full case study to see the engineering approach, the implementation process, and the measurable results achieved on site.<\/p>\n<\/div>","protected":false},"featured_media":7623,"template":"","categories":[7],"tags":[5,18,60,100,173,190],"class_list":["post-7621","ra-download","type-ra-download","status-publish","has-post-thumbnail","hentry","category-sound","tag-operational-efficiency","tag-case-study","tag-safety","tag-caterpillar","tag-product-information","tag-australia"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Sound | Queensland Coal Mine - Sound Attenuation Solution<\/title>\n<meta name=\"description\" content=\"Discover how a Queensland coal mine maintained compliance with strict sub-42 dB noise limits while introducing a Caterpillar 993 wheel loader.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/minetek.com\/en-us\/resource-hub\/downloads\/quiet-mining-case-study-cat-993-noise-compliance\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Sound | Queensland Coal Mine - Sound Attenuation Solution\" \/>\n<meta property=\"og:description\" content=\"Discover how a Queensland coal mine maintained compliance with strict sub-42 dB noise limits while introducing a Caterpillar 993 wheel loader.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/minetek.com\/en-us\/resource-hub\/downloads\/quiet-mining-case-study-cat-993-noise-compliance\/\" \/>\n<meta property=\"og:site_name\" content=\"Minetek\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/mineteksolutions\/\" \/>\n<meta property=\"article:modified_time\" content=\"2026-03-18T05:03:41+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/minetek.com\/wp-content\/uploads\/2026\/03\/Still-2025-11-30-100627_2.41.1.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1920\" \/>\n\t<meta property=\"og:image:height\" content=\"1080\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/minetek.com\\\/resource-hub\\\/downloads\\\/quiet-mining-case-study-cat-993-noise-compliance\\\/\",\"url\":\"https:\\\/\\\/minetek.com\\\/resource-hub\\\/downloads\\\/quiet-mining-case-study-cat-993-noise-compliance\\\/\",\"name\":\"Sound | Queensland Coal Mine - Sound Attenuation Solution\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/minetek.com\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/minetek.com\\\/resource-hub\\\/downloads\\\/quiet-mining-case-study-cat-993-noise-compliance\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/minetek.com\\\/resource-hub\\\/downloads\\\/quiet-mining-case-study-cat-993-noise-compliance\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/minetek.com\\\/wp-content\\\/uploads\\\/2026\\\/03\\\/Still-2025-11-30-100627_2.41.1.jpg\",\"datePublished\":\"2026-03-18T05:01:25+00:00\",\"dateModified\":\"2026-03-18T05:03:41+00:00\",\"description\":\"Discover how a Queensland coal mine maintained compliance with strict sub-42 dB noise limits while introducing a Caterpillar 993 wheel loader.\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/minetek.com\\\/resource-hub\\\/downloads\\\/quiet-mining-case-study-cat-993-noise-compliance\\\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/minetek.com\\\/resource-hub\\\/downloads\\\/quiet-mining-case-study-cat-993-noise-compliance\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/minetek.com\\\/resource-hub\\\/downloads\\\/quiet-mining-case-study-cat-993-noise-compliance\\\/#primaryimage\",\"url\":\"https:\\\/\\\/minetek.com\\\/wp-content\\\/uploads\\\/2026\\\/03\\\/Still-2025-11-30-100627_2.41.1.jpg\",\"contentUrl\":\"https:\\\/\\\/minetek.com\\\/wp-content\\\/uploads\\\/2026\\\/03\\\/Still-2025-11-30-100627_2.41.1.jpg\",\"width\":1920,\"height\":1080},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/minetek.com\\\/resource-hub\\\/downloads\\\/quiet-mining-case-study-cat-993-noise-compliance\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/minetek.com\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Sound | Queensland Coal Mine &#8211; 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