CityLink Tullamarine Widening (CTW) Project – Bulla Road to Power Street

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GHD was engaged by CPB Contractors on the delivery of the CityLink Tullamarine Widening project. This involved the widening of a 24km section of three major Melbourne freeways which were the western section of the CityLink tollway, and the Tullamarine and Westgate Freeways.

The project incorporated additional lanes, upgrading of existing and design of new bridges and civil structures together with other measures, including development of a new freeway management system to increase capacity of the existing road corridor, reduce travel times and improve safety across the network.

The complexity of the project stemmed from the true brownfield nature of the site. It required widening and upgrading of a more than 2 km length of existing bridge and elevated structure in a very tight corridor of Melbourne’s busiest road which carries up to 210,000 vehicles per day. Minimising disruption to traffic and loss of toll revenue during construction were identified as the key challenges for this project along with working in close proximity of live traffic and numerous services.

GHD used specifically selected software across the project which helped to alleviate risks and generate significant benefits for the client. The use of the bridge documentation package Tekla for example was adopted for 3D modelling of complicated bridge structures to improve visualization and understanding for the client, facilitate procurement and generally improve the ability to construct the project.

Bridges

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From simple, single span structures through to major landmark bridges, including the Eleanor Schonell Bridge in Brisbane and South Road Superway in Adelaide, our skills and experience present clients with a variety of cost-effective bridging solutions.

We deliver solutions for several bridge types including:

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Design Documentation

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Precise and accurate drafting is essential for the development cycle of any project. With drafting teams around the globe, you can rely on us to provide modern, economical designs for your project.

We recognise the importance of incorporating constructability, simplicity and technical excellence in your designs. Maintaining control and development of all computer aided design and drafting (CADD) activities is an integral part of our business in providing services to you.

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Pavement Engineering

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Your single most valuable asset is arguably the pavement system within your network. We understand that pavements are subjected to static and dynamic loads as well as exposure to the elements; only sound engineering judgment, informed by experienced and qualified staff, can provide cost concious and appropriate solutions to your pavement challenges.

We demonstrate an innovative, sustainable approach through our relationships with research centres of excellence at Delft (Holland) Wisconsin (USA) Stellenbosch (South Africa) Transit New Zealand UWA (Western Australia) and ARRB (Australia).

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Road Systems

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For more than 50 years, we have delivered innovative road systems including rehabilitation, expansion and development of new highways, complex interchanges, toll roads, bridges and tunnels. Our planners and engineers provide integrated services to plan, design, construct, maintain and manage all aspects of the road corridor life cycle.

From planning and procurement through to feasibility and investigation, and design, construction, delivery and maintenance, our clients enjoy bespoke solutions for roads that incorporate masterplanning, funding and economic analysis, transport planning, asset management, environmental management, risk management and more.

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Structures

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We have a strong reputation, a record of accomplishment in providing world-leading technical support and advice for all areas of structural design and assessment.

Demand for GHD’s services continues to grow as the company completes and advises on a number of significant structural projects for some of the world’s tallest buildings, inlcuding Al-Bidaa Tower, Dubai Tower and the Doha Convention Center and Tower in the United Arab Emirates.

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Transportation Planning & Traffic Engineering

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GHD brings a fresh approach to integrated transport with an innovative, dynamic, highly motivated and enthusiastic team of traffic engineers and transport planners who harness a great depth of industry experience and knowledge.

Whether you require high level policy and strategic advice at the beginning of a project or detailed engineering advice at the design stage, you will benefit from the commitment and dedication of our people. We pride ourselves on staying informed of the latest industry thinking and trends through regular involvement in industry bodies, conferences and seminars.

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