Water & Wastewater Asia January/February 2023

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efficient by 50%. The contractors had to create the detail model, returning into the system and around the Bentley Infrastructure Cloud and ProjectWise software, and this made the data exchange between the various contractors and teams easier, saving 50% of the time invested. This sets a new benchmark by using modelbased digital delivery and bidding. As I mentioned earlier, what we are trying to do is to elevate the playing field. Now it takes half the time to do the same thing with Bentley software. You can use that extra time to make better and more informed decisions, and really make sure that the engineering is done right. This is opposed to projects that do not use digital twin technology, instead, using 2D or 3D plans and printing them. They will end up losing all the information upon giving the contractors the plans, because you cannot see them virtually. That is not to say that plans and files are not useful. They are fundamental to the whole process. But modelling unlocks and provides real-time data. People say data is the new oil, but I would say data is the new water. It is fundamental and essential for the survival of our infrastructure in the long term. How else can the water industry use digital twins in our processes and to our advantage? Valois: There are multiple things we want to do with utilities. Not everywhere is the water being used fully. There would usually be leaks in the water network. Unlike oil, people typically do not see the problem in this, but in a few years, this is going to be a bigger and bigger problem. There have also been an increasing number of places, like India and South East Asia, where these problems are getting critical. So, this whole idea of addressing leakages, whether it is in developed or developing countries, can be solved by our solutions like WaterGEMS, which can identify leaks. Another thing our solutions can do is optimise pumping, such as Digital twinning can unlock data and make it available for the design, construction and operations of a project reducing pumping by having better network design. For instance, WaterGEMS has helped cities like Rotterdam save up to 30% in energy costs. Another thing: We also encourage people to focus on flooding. Are your stormwater system and network resilient to a huge storm or floods? Which areas will be affected? We have just added new capabilities to our SewerGEMS product to consider the whole network. We call this 2D flooding analysis — 2D in the sense that we analyse the surface, and the 1D aspect in analysing the pipes. The two are connected, and they provide a single way to model and analyse the flooding considerations in a city or region. And you could do this for an existing network or planning; are you planning a big enough network for the next storm event? Our technology therefore connects all the phases and makes the data available. In your opinion, how do you think the water industry can improve using digital twins? Valois: The next frontier is enabled by our WaterSight product. WaterSight is essentially a digital twin solution for the operation of the water utilities. It leverages modelling our strength — for the water flow within the piping and sewage networks — and combines it with sensor information from supervisory control and data acquisition (SCADA) and Internet of Things (IoT) systems. WaterSight helps to fill gaps in these systems with a 3D model. Because the SCADA systems are not installed everywhere in the network, the modelling helps to make users understand what is going on between one sensor and the other. If something abnormal is detected, then it is probably a leak to be fixed. So, users have that real-time context with WaterSight models. Compared to static modelling, which occurs maybe once every year, WaterSight can help to constantly model and get IoT information to improve the network state. And that is really the next frontier, and where I think the industry is going. We have early adopters of this technology in Brazil and around the world, trying to push the boundaries and get to the next level. Another thing is dams. We have been working on — and there have been early adopters — the AssetWise Dam Monitoring, which combines IoT and reality modelling capabilities. Like our Bentley infrastructure cloud, this is iTwin-enabled, so there is an iTwin capture product that flies drones around the dam, generating wonderful 3D models which you can use to overlay and detect cracks through artificial intelligence (AI), discover where issues are in the large dam, and tag, label, and inspect them. Then there is also the whole notion of IoT, installing sensors in the dams and bridges. It goes back to what I said earlier about constant monitoring. We want every infrastructure to be monitored, whether it is for bridges, tunnels, or dams. What do you think the future of digital twins will be like in the next five years? Valois: I think a lot of this will be around AIenabled cloud services that can react faster and better to events like flooding, or constant network monitoring, or detecting of cracks in pipes and sewers. I hope we will not leave anyone behind. I hope we will consider the whole problem realistically. It is not only about rich countries, because water is very important for everybody, right? It’s really important we bring the whole world with us. And Bentley is all about this, and doing it in a sustainable way — helping the infrastructure industry design, construct and operate better, not only for profit, but also to help global problems. Francois Valois, vice-president of civil infrastructure in Bentley Systems 16 WATER & WASTEWATER ASIA | JANUARY/FEBRUARY 2023
“THE PATH OF LEAST RESISTANCE”: Managing data efficiently with Bentley’s software Building large water treatment plants requires the efficient management of data and resources. Moving away from 2D drawings and relying instead on digital twins and data visualisation is a step towards a quicker, more efficient and simpler workflow, as realised at the Tuas Water Reclamation Plant (Tuas WRP) project. Without proper software systems to handle large amounts of resources and data, the project might crumble under the weight of its complexity. The Tuas WRP project by Jacobs and PUB, Singapore’s National Water Agency THE SCALE OF TUAS WRP reclamation and disposal needs. The first Seventy-five facilities, 16 contractors, phase of the DTSS covering the eastern half 50-over hectares of site space: This is the of the country was completed in 2008. The magnitude of the Tuas WRP project that PUB, second phase is currently under construction, Singapore’s National Water Agency, and consisting of a conveyance system of deep Jacobs, a technical services provider serving tunnels and link sewers and Tuas WRP to serve the engineering and construction industries, the western and southern parts of Singapore. had to contend with. The scale and complexity of the Tuas WRP The Tuas WRP is part of the larger, two-phase project is daunting: the initial capacity of the Deep Tunnel Sewerage System (DTSS) project Tuas plant is expected to be 800,000m 3 per in Singapore, developed for the country’s day. As of December 2022, 11 out of the long-term used water collection, treatment, 16 contract packages have been awarded. “There are not only many contract interfaces from a horizontal perspective, but also the vertical layering of different contracts that have to interact with each other, such as ‘mechanical, electrical, instrumentation, control and automation (MEICA)’ upon Civils and Structures,” explained Matt Warburton, Jacobs’s project director for Tuas WRP. “The software and the technology that we adopted should fundamentally be able to manage such a level [of data]. We would not be able to manage it with a traditional method and for the level of interface we are dealing with.” Using traditional 2D drawings was therefore not an option. Jacobs recommended PUB to use software by Bentley Systems, whose software solutions leverage on digital twinning and data visualisation to complement construction projects. FAST, EASY, ACCESSIBLE But the design and management teams soon encountered another problem. Since the Tuas WRP project was expected to last over 10 years — the project began in 2017 — the WATER & WASTEWATER ASIA | JANUARY/FEBRUARY 2023 17
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Water & Wastewater Asia January/February 2023

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