{"id":6966,"date":"2021-06-30T13:01:11","date_gmt":"2021-06-30T03:01:11","guid":{"rendered":"https:\/\/neumannfabrication.com.au\/?post_type=projects&p=6966"},"modified":"2021-08-03T13:46:31","modified_gmt":"2021-08-03T03:46:31","slug":"fabrication-of-variable-message-sign-steel-structures","status":"publish","type":"projects","link":"https:\/\/neumannfabrication.com.au\/projects\/fabrication-of-variable-message-sign-steel-structures\/","title":{"rendered":"Manufacture of Variable Message Sign Steel Structure"},"content":{"rendered":"\t\t
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Fabrication of a Steel Variable Message Sign Structure for J1 LED<\/h2>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Overview of Project<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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J1LED has contracted Neumann Fabrication to fabricate a cantilevered Type C\u00a0<\/span>steel\u00a0<\/span>Variable Message Sign\u00a0<\/span>(VMS)\u00a0<\/span>structure.<\/span><\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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Scope of Works<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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\n\t\t\t\t\t\t\tThe scope of works includes:\n
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  • Supply, fabrication and galvanising of a steel structure to suit type C variable message sign, consisting of:\n
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    • Gantry column.<\/li>\n \t
    • Gantry sign frame.<\/li>\n \t
    • Platform with handrail, including swinging gate.<\/li>\n \t
    • Ladder with fall protection.<\/li>\n \t
    • VMS adjusting rod assemblies.<\/li>\n \t
    • HD bolt plate rings.<\/li>\n<\/ul>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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      Fabrication Activities<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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      All steel fabrication works undertaken and all materials supplied are in accordance with AS5100 – Bridge Design.\u00a0 The structural steel fabrication was carried out in house by Neumann Fabrication (the Main Roads registered fabricator).\u00a0 Neumann Fabrication undertook all structural steel fabrication in accordance with MRTS78.<\/p>

      Fabrication and Welding Compliance<\/strong><\/p>

      • MRTS78 – Fabrication of structural steelwork applicable standard TMR design criteria for bridges and other structures, March 2020.<\/li>
      • All welds undertaken were in accordance with AS\/NZS 1554.1.<\/li>
      • All welding consumables were controlled by either hydrogen Type G493 to AS\/NZS ISO 1434-B or T493 to AS\/NZS ISO 17632-B.<\/li>
      • All butt welds are full penetration to AS\/NZS 1554.1.<\/li><\/ul>

        Steel Compliance<\/strong><\/p>

        • All hot rolled steel bars and sections supplied were in accordance with AS\/NZS 3679.1 grade 300 or greater.<\/li>
        • All hot rolled steel sections supplied were in accordance with AS\/NZS 3679.1.<\/li>
        • All steel plate complies with AS\/NZS 3678 and Grade 250 to 350.<\/li>
        • All steel CHS, RHS and SHS are to the requirements of AS\/NZS 1163 and are Grade C350LO.<\/li>
        • All steel hollow sections have an end plate as required.<\/li><\/ul>

          Fixtures Compliance<\/strong>, all fixtures have been supplied in accordance with MRTS78 – July 2017.<\/span><\/p>

          • 4.6\/S Commercial Bolts of Grade 4.6 to AS1111 – Snug Tightened.<\/li>
          • 8.8\/S High Strength Structural Bolts of Grade 8.8 to AS1252 – Snug Tightened.<\/li>
          • 8.8\/TB High Strength Structural Bolts of Grade 8.8 to AS1252 – Fully tensioned to TN 62 as a bearing joint.<\/li>
          • 8.8\/TF High Strength Structural Bolts of Grade 8.8 to AS1252 – Fully tensioned to TN 62 as friction joint, with facing surfaces left uncoated.<\/li>
          • Stainless steel was isolated from mild steel using nylon washers.<\/li>
          • All nuts and bolts were hot-dipped galvanised in accordance with AS1214.<\/li>
          • Bolting procedures for TB or TF connections complies with MTS78.<\/li><\/ul>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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            Protective Coating\/Treatment<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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            • All completed steelwork was hot dipped galvanised in accordance with AS\/NZS 4680.<\/li><\/ul>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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              Non-Destructive Examination<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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              • We undertook visual Inspection in accordance with Clause 7.3 AS1554.1.<\/li>
              • Visual Examination – Permissible Levels of Imperfections in accordance with AS1554.1 Table 6.2.2.<\/li>
              • Radiography and Ultrasonic Testing was undertaken – Permissible Levels of Imperfections in accordance with Table 6.2.1.<\/li><\/ul>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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                Conclusion\/Outcome<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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                The project is now complete and is fully compliant with all relevant standards. J1 LED will assemble the VMS sign to the completed structure at our Currumbin facility\u00a0<\/span>before loading out for delivery to the site.\u00a0<\/span><\/p>\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":6997,"template":"","meta":{"inline_featured_image":false,"site-sidebar-layout":"no-sidebar","site-content-layout":"page-builder","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":"disabled","ast-breadcrumbs-content":"","ast-featured-img":"disabled","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 center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""}}},"acf":[],"_links":{"self":[{"href":"https:\/\/neumannfabrication.com.au\/wp-json\/wp\/v2\/projects\/6966"}],"collection":[{"href":"https:\/\/neumannfabrication.com.au\/wp-json\/wp\/v2\/projects"}],"about":[{"href":"https:\/\/neumannfabrication.com.au\/wp-json\/wp\/v2\/types\/projects"}],"version-history":[{"count":0,"href":"https:\/\/neumannfabrication.com.au\/wp-json\/wp\/v2\/projects\/6966\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/neumannfabrication.com.au\/wp-json\/wp\/v2\/media\/6997"}],"wp:attachment":[{"href":"https:\/\/neumannfabrication.com.au\/wp-json\/wp\/v2\/media?parent=6966"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}