{"id":1633,"date":"2020-11-16T01:08:48","date_gmt":"2020-11-15T14:08:48","guid":{"rendered":"https:\/\/neumanndredging.com.au\/projects\/caval-ridge-mud-dredging\/"},"modified":"2022-04-21T14:03:32","modified_gmt":"2022-04-21T04:03:32","slug":"caval-ridge-mud-dredging","status":"publish","type":"projects","link":"https:\/\/neumanndredging.com.au\/projects\/caval-ridge-mud-dredging\/","title":{"rendered":"Caval Ridge Tailings Dredging"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"1633\" class=\"elementor elementor-1633\" data-elementor-post-type=\"projects\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-7417d391 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"7417d391\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-e04679b\" data-id=\"e04679b\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-4051a2b elementor-widget elementor-widget-heading\" data-id=\"4051a2b\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Caval Ridge Mine Dredging<\/h2>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-df6d8cc elementor-widget elementor-widget-heading\" data-id=\"df6d8cc\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Overview of Project<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3d3ed70 elementor-widget elementor-widget-text-editor\" data-id=\"3d3ed70\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>BMA contracted Neumann Dredging to remove 475,00m3 of mud from the floor of an open cut coal mine as part of the preparation for reopening the pit.<\/p><p>Silt and sediment have accumulated on the pit floor. The task was to dredge this mud and pump it out of the pit for placement in an adjacent excavation.<\/p><p>The 450mm bucketwheel cutter suction dredge Nu Bounty was mobilised for this project along with a booster station and 2500m of pipeline. We transferred water back from the discharge area using a return water pump and pipeline to enable an orderly drawdown of the water level in the dredge pond.<\/p><p>All equipment was diesel-powered.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f3149bf elementor-widget elementor-widget-heading\" data-id=\"f3149bf\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Innovations<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4887b3e elementor-widget elementor-widget-text-editor\" data-id=\"4887b3e\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<ul><li>Management of pumping through a 40m vertical pipe section to the booster pump located on the cast bench,<\/li><li>Trialling of a discharge restriction valve to manage pressure at the discharge line highpoint while maximising the siphoning effect.<\/li><\/ul>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8312749 elementor-widget elementor-widget-heading\" data-id=\"8312749\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Challenges<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5b67a2f4 elementor-widget elementor-widget-text-editor\" data-id=\"5b67a2f4\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<ul><li>The draw-down of the water levels had to be carefully managed to maintain the pit&#8217;s geotechnical slope stability.<\/li><li>Strict design cut conformance was managed and reviewed using onboard RTK navigations systems,<\/li><li>Dredging was carried out on a 24\/7 basis to expedite the works.<\/li><\/ul>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t","protected":false},"featured_media":6664,"template":"","meta":{"inline_featured_image":false,"site-sidebar-layout":"default","site-content-layout":"default","ast-site-content-layout":"","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"default","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center 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