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Toll Project Post Tension Slab Works Poured

Civilex started upgrade works for Toll’s shipping terminal at Webb Dock in March and has reached a milestone with the completion of stage 1.

The upgrade, which is on track for completion at the end of 2019, will optimise the safety and efficiency of the Webb Dock terminal and is rolling out in three stages to minimise disruption to operations.

The Civilex site project team recently performed post-tension (PT) slab works for Toll that involved 330 concrete trucks to complete five out of seven concrete pours covering 13,000m2 out of a total of 20,000m2.

Toll’s upgrades to its terminals at Webb Dock and Burnie are part of a $311 million investment to boost capacity for the Bass Strait trade. The investment has also included upgrades to wharves and berthing infrastructure and the deployment of two new, state-of-the-art ships in March this year. The purpose-built ships are able to carry 40 per cent more cargo than the ships that were previously in operation.

What do the post-tension works mean for the overall project?

The scope of works includes a PT slab that will provide a strong foundation to house Toll’s vertically stacked refrigerated shipping containers. The slab itself is designed to withstand 107-tonne loadings from one of Toll’s reach stackers. The PT slab is located directly in the middle of the new Toll Shipping operational terminal and as each pour is completed it allows for other key activities to be completed.

Senior Project Engineer Holly Sanders says, “The Toll project has been an awesome experience working with such a dynamic hard working team which reinforces the success of the project. Being involved in the PT slab has been an amazing opportunity to be exposed to a unique construction activity that I’ve really enjoyed.”

How will this benefit our client Toll?

This work will result in greater productivity with better flow and accessibility throughout the operational terminal. This slab provides the desired increase of storage space to assist Toll in accommodating their recently upgraded shipping vessels. Additionally, the PT slab has significantly increased strength compared to normal asphalt pavement, which gives reassurance to Toll that the slab will endure the heavy traffic loadings expected within its port environment. In addition to this, the slab has significantly lower maintenance costs.

Civilex Site Engineer Eamonn McCuskey has been working on the Toll project since the start of works says, “Having completed a significant portion of these key works is a great visual representation of the progress being made out on site by the entire project team. It has been an incredible learning experience to be involved in this key deliverable and a credit to all the effort that has been put in so far.”

Key Statistics for the First 5 Pours

• The volume of first 5 pours – 3,040m3
• Total area for the project – 13,000m2 completed of 20,000m2
• Number of trucks – 330 concrete trucks to date with a combination of standard (6.5m3/truck) and semi-truck (10.5m3/truck) concrete trucks.

To give some context to these statistics the largest pour completed to date was 800m3 (Pour 2) that represented a total of 87 concrete trucks and 2 concrete pumps starting at 12am and working non-stop for 8.5 hours.

What’s next for the Toll project?

The final two pours are scheduled to commence in September, which includes the largest pour area of 3,420m2 (95m long). Current access to construct these pours is unavailable at this stage of the project as the future slabs cross over Webb Dock Drive into the existing terminal.

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