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November 2023 – Coffs Harbour Bypass

Ferrovial Gamuda Joint Venture (FGJV) has been tasked to deliver the Coffs Harbour Bypass project to improve connectivity, road transport efficiency and improving safety for motorists.  The project consists of 14km of dual highway, 17 bridges, 2 interchanges, and 3 tunnels including associated buildings and miscellaneous structures.  The bridge structures included Integral precast planks, multi-span Super-T structures, multi-span steel boxed pedestrian bridge structures over creeks, roads and rail founded on pad footings, bored piles on pile caps and monopiles.

Dex has just completed assisting the Ferrovial Gamuda Joint Venture in the Coffs Harbour Bypass Project with Value Engineering with the Construction team, Design Compliance, and the design team in delivering their design packages.  This included reviews of the design packages to ensure standardisation of structural design elements was completed, better maintenance outcomes for the clients, reduction of steel in the building structures and reinforcement for the bridge structures and completing design changes for constructability.

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May 2023 – Shepparton Corridor Upgrade

Shepparton Corridor Upgrade project comprises upgrades along the Shepparton Rail Corridor between Seymour and Shepparton to allow for VLocity trains to travel to Shepparton including culvert structural repairs to enable reclassification to Track Class 2M to support 130km/hr line running and an increase in load to 21 TAL.

Dex was responsible for conducting a Risk Assessment and report for the Alliance (Coleman Rail and KBR) to determine whether guard rails were required utilising a risk-based assessment of a train derailment event comparing existing risk profile against the proposed risk profile based on so far as is reasonably practical for numerous under and overbridges on the Shepparton Line.  This also included a review of the Level 3 investigations of the structures in the outcome of train collision.

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January 2023 – Brunswick 8 Level Crossing

An additional 8-level crossing on the Upfield line has been proposed to be removed starting at Park Street, Parkville through to Albion Street in Brunswick.  A new rail bridge is proposed to be delivered with new stations to complement the completed Bell to Moreland Level Crossing.

Seconded into KBR as technical advisor and Civil Structures Lead for this project in the development phase for North West Program Alliance.

The project is currently on hold.

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May 2020 – Pakenham 3 Level Crossing

Seconded into KBR as technical advisor and Civil Structures Lead for this exciting project for the removal of three level crossings at McGregor Road, Main Street and Racecourse Road along the Pakenham line from the delivery of the TOC through design and to the construction phase for North West Program Alliance.

The level crossings consisted of 68-span twin viaduct U-Trough pre-stressed and Post-Tensioned U-Trough girders with a total length of approximately 2km viaduct and the introduction of 30m U-Trough beams with a new premium station at Pakenham and extending the metropolitan rail line with building a new East Pakenham Station underpass and with a total of 5km long architectural retaining walls.

New innovations such as 2.7m Monopiles and 30m pre-stressed beams were required to meet the tight corridor requirements and to ensure that the dual line running of trains was maintained through construction ensuring minimal disruptions to the community.

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August 2019 – Bell to Moreland Level Crossing

The level crossings at Bell, Munro and Reynard Street in Coburg, and Moreland Road in Brunswick are being removed by raising the rail line over the road with a 68-span twin viaduct bridge with a total length of 1.8km twin utilising Pre-stressed and Post-tensioned U-Troughs.  The rail-over-road design extends from Moreland to Coburg stations on the Upfield line and will deliver new community open spaces below the Viaducts and stations, improved east–west connections and improvements to the Upfield Bike Path with a dedicated bike path.  The four-level crossings will be removed at the same time to minimise disruption to the community.  Two new stations will be built at Coburg and Moreland, while retaining and repurposing the existing heritage-listed station buildings.  Key aspects of the project is ensuring the construction of the Viaduct during a 90-day occupation within a constrained, congested public space and interchange with key components being built during live train running. Technical Advisor/ Structures Lead – Responsible for delivering the Additional Works Package 4 – Bell to Moreland Level Crossing.

Dex Arounsavat is seconded into KBR as technical advisor for this exciting project to lead and deliver the Structures Packages to IFC to help the program meet budget and program requirements, whilst ensuring providing value engineering.

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