Understanding drainage control - design standards, determining over-design events and compliance requirements

In our experience, managing surface water runoff throughout the construction phase can be one of the most challenging aspects of undertaking works onsite. In this post we give an overview of the standards and principles on how to improve the drainage outcomes onsite, and in doing so reduce the potential for non-compliance issues from your client or regulator, reduce rework onsite following any rain events and be able to get back to work sooner.

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Kyle Robson
Common ESC site failures and likely causes

An ESC plan will typically be required for developments and construction activities involving land disturbance. The ESC plan should clearly identify the minimum drainage, sediment and erosion control standards to be achieved onsite. Regardless of your controls onsite, you will typically have some minimum compliance requirements which you need to demonstrate compliance with.

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Kyle Robson
How’s your site holding up?

Given the wet start to 2020, maintaining a high level of site ESC compliance has been challenging. Whilst intense rain events and high winds present challenging weather conditions, this does not negate our duty to effectively manage such instances and comply with prescribed conditions and provisions under GED.

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Kyle Robson
Cross River Rail

2020 is going to be a big year on the Cross River Rail project. We will see the work starting at the RNA Showgrounds’ Exhibition station, as well as station upgrade works at Fairfield and Yeronga, and at the project’s southern tunnel portal south of Boggo Road.

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Kyle Robson
Two-day rainfall depth

We were recently asked to determine a 85th percentile 2-day rainfall depth for a DTMR project in Central Queensland where spatial constraints did not permit the installation of a 5-day Type D basin.

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Kyle Robson
Inland Rail: Parkes to Narromine

Comprising of 13 individual projects and spanning more than 1,700 km, the Inland Rail is the largest freight rail infrastructure project in Australia and one of the most significant infrastructure projects in the world.

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Kyle Robson
The Story of Australia

This is the Story of Australia – the story of an extraordinary nation. This weekend we we celebrate our nation, its highs and lows, its achievements and most of all, its people. We’re all part of the story.

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Kyle Robson
Hazards on construction sites

A fit, healthy and somewhat young Topo staff member was recently undertaking fieldwork in North Queensland and was reminded first hand of the effects of heat stress (fortunately only a very mild case) and the importance of identifying symptoms.

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Kyle Robson
Happy New Year!

Happy New Year from the TOPO team. We are very excited about 2020 and seeing what it has in store for us all. We are back in the office from Monday, so if you are in the neighbourhood, pop in for a coffee!

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Kyle Robson
Merry Christmas!

2019 has been another amazing year for us, and we are mighty proud of all we have accomplished and all the projects we have been involved in…

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Kyle Robson
Giving back!

We believe in giving back to the community and throughout 2019 we have supported multiple local charities and community groups.

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Kyle Robson