{"id":1893,"date":"2020-08-13T23:31:27","date_gmt":"2020-08-13T23:31:27","guid":{"rendered":"http:\/\/tunnelingworld.com\/?p=1893"},"modified":"2020-08-13T23:31:27","modified_gmt":"2020-08-13T23:31:27","slug":"first-tbm-arrives-to-start-work-on-snowy-2","status":"publish","type":"post","link":"https:\/\/tunnelingworld.com\/?p=1893","title":{"rendered":"First TBM arrives to start work on Snowy 2"},"content":{"rendered":"<div style=\"text-align: justify;\">The first of three TBMs that will work on Snowy 2 \u2013 the pumped hydro expansion of Australia\u2019s existing Snowy Mountain renewable energy scheme, has been arrived to Port Kembla, south of Sydney.<\/div>\n<div><\/div>\n<div style=\"text-align: justify;\">Components of the TBM \u2013 some weighing 174t \u2013 has been transported by special trailer to storage from where they will be finally taken to the worksite. Constructed by CREG, the 11m-diameter TBM has been designed to excavate the 9% gradient, 2.6km main access tunnel to the power plant placed 1km underground.<\/div>\n<div><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-1895 aligncenter\" src=\"http:\/\/tunnelingworld.com\/wp-content\/uploads\/2020\/08\/image2-300x142.jpg\" alt=\"\" width=\"665\" height=\"315\" \/><\/div>\n<div style=\"text-align: justify;\">It is expected to have the excavation of the MAT started by the end of 2020. When the TBM has completed its drive, it is going to start boring the 5.8km-long tailrace tunnel. Exploratory construction work has been underway for over 12 months with nearly 500 workers already working on the project.<\/div>\n<div><\/div>\n<div style=\"text-align: justify;\">Webuild (the former Salini Impregilo) is constructing the tunnels on behalf of Snowy Hydro as part of the Future Generation JV with US subsidiary Lane and local partner Clough.<\/div>\n<div><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-1896 aligncenter\" src=\"http:\/\/tunnelingworld.com\/wp-content\/uploads\/2020\/08\/Main-2-1-300x137.jpg\" alt=\"\" width=\"664\" height=\"303\" \/><\/div>\n<div style=\"text-align: justify;\">Strategically located between Melbourne and Sydney, Snowy 2.0 will provide 2,000 MW of energy generation. It will connect two existing dams that are Talbingo and Tantangara, through 27km of tunnels which contain tailrace, headrace, penstock, pressure, collector, draft tube, distributor, and access tunnels.<\/div>\n<div><\/div>\n<div style=\"text-align: justify;\">The turbines are reversible to enable water to be pumped back up to the top reservoir when cheap (surplus) energy is available \u2013 and be stored to generate energy if required. As water is recycled between current storages, it uses no extra water and gives water management flexibility, especially in times of drought.<\/div>\n<div style=\"text-align: justify;\"><\/div>\n<div style=\"text-align: justify;\"><\/div>\n<div style=\"text-align: justify;\">Source: Tunnels and Tunneling<\/div>\n","protected":false},"excerpt":{"rendered":"<p>The first of three TBMs that will work on Snowy 2 \u2013 the pumped hydro expansion of Australia\u2019s existing Snowy Mountain renewable energy scheme, has been arrived to Port Kembla, south of Sydney. Components of the TBM \u2013 some weighing 174t \u2013 has been transported by special trailer to storage from where they will be finally taken to the worksite. Constructed by CREG, the 11m-diameter TBM has been designed to excavate the 9% gradient, 2.6km main access tunnel to the power plant placed 1km underground. It is expected to have the excavation of the MAT started by the end of [&hellip;]<\/p>\n","protected":false},"author":6,"featured_media":1894,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[43],"tags":[],"class_list":["post-1893","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-project-show-case","post--single"],"_links":{"self":[{"href":"https:\/\/tunnelingworld.com\/index.php?rest_route=\/wp\/v2\/posts\/1893","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/tunnelingworld.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/tunnelingworld.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/tunnelingworld.com\/index.php?rest_route=\/wp\/v2\/users\/6"}],"replies":[{"embeddable":true,"href":"https:\/\/tunnelingworld.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1893"}],"version-history":[{"count":0,"href":"https:\/\/tunnelingworld.com\/index.php?rest_route=\/wp\/v2\/posts\/1893\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/tunnelingworld.com\/index.php?rest_route=\/wp\/v2\/media\/1894"}],"wp:attachment":[{"href":"https:\/\/tunnelingworld.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1893"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/tunnelingworld.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1893"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/tunnelingworld.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1893"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}