{"id":5073,"date":"2023-12-06T04:23:32","date_gmt":"2023-12-06T03:23:32","guid":{"rendered":"https:\/\/www.systra.com\/australia\/?post_type=projects&#038;p=5073"},"modified":"2025-09-19T07:41:25","modified_gmt":"2025-09-19T05:41:25","slug":"eastlink-tunnel","status":"publish","type":"projects","link":"https:\/\/www.systra.com\/australia\/project\/eastlink-tunnel\/","title":{"rendered":"Eastlink Tunnel"},"content":{"rendered":"\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\"><div class=\"content-top-project\">\n    <div class=\"content-top-details\">\n        <svg class=\"icon-sprite details-logo\"><use xlink:href=\"#icon_deco_systra_blanc\" \/>\n        <div class=\"title\">Technical details<\/div>\n        \t        <div class=\"single-content\">\n\t            <div class=\"subtitle\">Customer<\/div>\n\t            <div class=\"desc\">Theiss \/ John Holland<\/div>\n\t        <\/div>\n                    <div class=\"single-content\">\n                <div class=\"subtitle\">Missions<\/div>\n                <div class=\"desc\">Delivery Support<\/div>\n            <\/div>\n                    <div class=\"single-content\">\n                <div class=\"subtitle\">Localisation<\/div>\n                <div class=\"desc\">Melbourne, Victoria<\/div>\n            <\/div>\n                    <div class=\"single-content\">\n                <div class=\"subtitle\">Activity<\/div>\n                <div class=\"desc\">Onsite Technical Assistance, Design development, constructability analysis<\/div>\n            <\/div>\n           \n            \n    <\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<h2 class=\"wp-block-heading\" id=\"h-description-of-project\">Description Of Project<\/h2>\n\n\n\n<p id=\"1254088700\">Eastlink was the largest single road infrastructure project awarded in Australia and is a major value civil construction project in world terms. Peak monthly turnover was more than $100M per month with a workforce more than 1,500 and 450 staff expending 10 million manhours.<br><br>The Thiess John Holland Joint Venture (TJHJV) undertook the Design and Construction component of the EastLink Project for the concessionaire ConnectEast. An important part of the D&amp;C works was the twin 1.6km tunnels excavated by roadheader and finished with a formed and tanked concrete lining.<br><\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-our-involvement\">Our Involvement<\/h2>\n\n\n\n<p>SYSTRA provided full time (onsite) technical assistance to support the tanking and concrete lining process.<\/p>\n\n\n\n<p>This included:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Design development within the tunnelling team to optimise the lining process, particularly the value engineering of the excavation volume and lining structural performance;<\/li>\n\n\n\n<li>Working with the TJH JV tunnel professionals to resolve the precast element procurement, placement, and its interaction with the full concrete formwork;<\/li>\n\n\n\n<li>Constructability analysis, completion of method statements, and quality assurance documents;<\/li>\n\n\n\n<li>As built records and reporting as required by TJH JV.<br><\/li>\n<\/ul>\n\n\n\n<p>In addition, the project involved construction of about 45 kms of freeway-standard road connecting Melbourne\u2019s eastern and south-eastern suburbs between the existing Eastern Freeway at Donvale and the Frankston Freeway on the Mornington Peninsula.<\/p>\n<\/div>\n<\/div>\n\n\n\n<div style=\"height:100px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n","protected":false},"author":50,"featured_media":5074,"parent":0,"template":"","type-market":[21],"project-market":[],"project-service":[],"project-location":[],"type-service":[37],"type-solution":[],"class_list":["post-5073","projects","type-projects","status-publish","has-post-thumbnail","hentry","type-market-bridges-tunnels","type-service-design"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.4 (Yoast SEO v27.4) - 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