{"id":6869,"date":"2022-04-09T06:40:44","date_gmt":"2022-04-09T06:40:44","guid":{"rendered":"https:\/\/tunnelingworld.com\/?p=6869"},"modified":"2022-04-09T06:40:44","modified_gmt":"2022-04-09T06:40:44","slug":"eoi-open-for-melbourne-srl-tunneling-package","status":"publish","type":"post","link":"https:\/\/tunnelingworld.com\/?p=6869","title":{"rendered":"EOI Open for Melbourne Tunneling Package"},"content":{"rendered":"<p style=\"text-align: justify;\">As the longest tunneling package in <a href=\"https:\/\/bigbuild.vic.gov.au\/\" target=\"_blank\" rel=\"noopener\">Victoria<\/a>\u2019s history, construction of the eastern section of Melbourne\u2019s Suburban Rail Loop (SRL) has faced interest. <\/p>\n<p style=\"text-align: justify;\">Including the delivery of almost 16km of twin tunnels between Cheltenham and Glen Waverley, the package will also comprise of the second package for tunnels from Glen Waverley to Box Hill and will complete the SRL East rail corridor.<\/p>\n<p style=\"text-align: justify;\">While up to 10 tunnel TBMs could be used for SRL East in the first pack, the large number of TBMs are due to speed up the tunneling process, with launching sites planned for three locations: Monash, Heatherton, and Burwood.<\/p>\n<p style=\"text-align: justify;\">By paving the way for major works, the commencing date of construction works will be the next few weeks including the preparation of the TBM launch sites, whereas the tunneling is expected to start in 2026.<\/p>\n<p style=\"text-align: justify;\">The contents of this package will be safety cross-passages between the tunnels, station boxes at Clayton and Monash, and tunnel entrances and exits at the stabling facility. Cross-passages will be excavated via the constructed tunnels using small or remote-controlled excavators.<\/p>\n<p style=\"text-align: justify;\">Considering Melbourne\u2019s topography some engineering challenges, with highly variable ground conditions and groundwater levels along the bided route are going to be presented. For example, South of Monash, conditions are predominantly clay and sandy, and to the north, mostly sedimentary rock, while slurry and EPB TBMs may be suitable for different sections.<\/p>\n<p style=\"text-align: justify;\">Building SRL East as twin tunnels reduces the volume of rock and soil needed to be removed. Much of the spoil will be reused for rehabilitating quarries or on other construction projects.<\/p>\n<p style=\"text-align: justify;\">With the total length of 26km of twin tunnels, the shortest TBM drive of SRL East is slated to be the 2.6km between Monash and Clayton, while the longest section is 6km between Burwood and Glen Waverley.<\/p>\n<p style=\"text-align: justify;\">The initial works and early work package contract with almost A$500m (US$378m) budget was granted to Laing O\u2019Rourke in the previous year and this contract includes preparing sites for the TBM launches, moving and protecting underground services, ground improvement, geotechnical investigations, and roads modifications.<\/p>\n<p style=\"text-align: justify;\">The SRL is a 90km rail line that will link every major rail line from the Frankston Line to the Werribee Line via Melbourne Airport.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>As the longest tunneling package in Victoria\u2019s history, construction of the eastern section of Melbourne\u2019s Suburban Rail Loop (SRL) has faced interest. Including the delivery of almost 16km of twin tunnels between Cheltenham and Glen Waverley, the package will also comprise of the second package for tunnels from Glen Waverley to Box Hill and will complete the SRL East rail corridor. While up to 10 tunnel TBMs could be used for SRL East in the first pack, the large number of TBMs are due to speed up the tunneling process, with launching sites planned for three locations: Monash, Heatherton, and [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":6871,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[41,43],"tags":[215,1810,1811,47],"class_list":["post-6869","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news","category-project-show-case","tag-australia","tag-eoi-melbourne-tunneling-package","tag-melbournes-suburban-rail-loop","tag-tunneling","post--single"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>EOI Open for Melbourne SRL Tunneling Package - Tunnelingworld<\/title>\n<meta name=\"description\" content=\"As the longest tunneling package in Victoria\u2019s history, construction of the eastern section of Suburban Rail Loop (SRL) has faced interest.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/tunnelingworld.com\/?p=6869\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"EOI Open for Melbourne SRL Tunneling Package - Tunnelingworld\" \/>\n<meta property=\"og:description\" content=\"As the longest tunneling package in Victoria\u2019s history, construction of the eastern section of Suburban Rail Loop (SRL) has faced interest.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/tunnelingworld.com\/?p=6869\" \/>\n<meta property=\"og:site_name\" content=\"Tunnelingworld\" \/>\n<meta property=\"article:published_time\" content=\"2022-04-09T06:40:44+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/tunnelingworld.com\/wp-content\/uploads\/2022\/04\/Melbourne-Suburban-Rail-Loop-Map-1.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1280\" \/>\n\t<meta property=\"og:image:height\" content=\"853\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"lyndamyer\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"lyndamyer\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/tunnelingworld.com\\\/?p=6869#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/tunnelingworld.com\\\/?p=6869\"},\"author\":{\"name\":\"lyndamyer\",\"@id\":\"https:\\\/\\\/tunnelingworld.com\\\/#\\\/schema\\\/person\\\/8ddd744e434f1c1283e3fea3a42e20ee\"},\"headline\":\"EOI Open for Melbourne Tunneling Package\",\"datePublished\":\"2022-04-09T06:40:44+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/tunnelingworld.com\\\/?p=6869\"},\"wordCount\":377,\"commentCount\":0,\"image\":{\"@id\":\"https:\\\/\\\/tunnelingworld.com\\\/?p=6869#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/tunnelingworld.com\\\/wp-content\\\/uploads\\\/2022\\\/04\\\/Melbourne-Suburban-Rail-Loop-Map-1.jpg\",\"keywords\":[\"Australia\",\"EOI. 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