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While digital engineering has long been touted as the next technology that can create, manage, and utilise data for infrastructure development, the coronavirus (COVID-19) pandemic has brought it even more into focus.
With workforces forcibly distributed as remote working directives took effect, the value of having a rich virtual building information model (BIM) to enable seamless collaboration across physically distanced workforces has never been clearer.
Consulting company GHD has already exploited the value of digital ways of working in many projects, and recently in its work on the Forrestfield-Airport Link project – part of the Metronet project in Perth – within the Salini Impregilo and NRW Joint Venture.
According to GHD’s Rail Design Lead on the project, Martin Harle, using digital tools such as BIM, geographic information systems (GIS), analytics, coding, and automation, the team was able to eliminate clashes between different models by coordinating design through one model.
“Using this technology we are able to automate clash checks across multiple complex disciplines, highlighting design coordination issues in real time,” he said. “It helps to pre-empt and resolve potential construction problems during the design process, rather than dealing with unexpected issues as they occur on site.”
Avoiding duplication and replication, the BIM system enables costs to be reduced at the design phase. This not only improves processes at the construction site, but also enables suppliers to have a clearer idea of the concepts their assets will be working in.
“So far, on the Forrestfield-Airport Link, rail track and overhead line equipment has been designed and modelled 8.5 times faster and 1152 hours have been saved in automating 180 Navisworks exports,” said Martin.
Incorporating digital tools early on in the construction of a project can also lead to efficiencies once the project is operational. At the end of the design and construct phase, asset information can be handed over to the operator to promote ongoing efficiency.
The insights that GHD has gathered from this project have been used to advantage on other projects, including the Sydney Metro. And the lessons have wider implications through the Digital Engineering Code of Practice which will be applied nationally through the Rail Industry Safety and Standards Board (RISSB), which GHD helped design. GHD BIM lead – Western Australia and co-author of the code Belinda Thompson, said the benefits of the code are broad.
“By adopting Digital Engineering processes, increasing the accuracy of information and automating the data exchange processes, we can improve safety, reduce risk, achieve greater cost certainty and improved sustainability.”
This article first appeared on www.railexpress.com.au
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