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Utilities Business Review | Monday, February 06, 2023
The combination of digital twins and GIS data enables certainty about assets above and below ground
FREMONT, CA: From pre-construction through operations, architects, engineers, and construction professionals are increasingly using geographic information systems (GIS) to understand the impacts of development on projects. 3D models and digital twins can display real-life objects, relationships, and behaviors in the way they are or might be in the future. Building information models (BIM), city information models (CIM), land information models (LIM), and network information models (NIM) combine information with historical plans, weather patterns, topography, and demographic data.
The following applications are key areas where digital twin solutions streamline utility construction and management.
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Urban Management: The flexibility of GIS-based digital twins allows them to plan and iterate while seeing the local impact of infrastructure work. A bridge upgrade project in the northeastern U.S. can benefit from the internet of things (IoT) sensors to track risks. In real-time, GIS-based 3D maps show design impacts and allow them to adjust in real-time.
The relationships between a building, neighborhood, system, or network with other networks, larger cityscapes, and other networks are increasingly important to decision-makers.
Optimizations: The AEC industry relies on digital twins for more than planning and construction to understand operations, to make decisions based on real-time performance, and to make decisions that increase safety and efficiency. A wide range of work is involved, from working on a large facility, such as an airport, to a complex utility or water network.
CDE uses GIS-based digital twins to organize and display data from BIMs and other systems attributed to the project. It incorporates financial records, documents, project portfolios, real-time data from remote sensors throughout the complex, and the location and maintenance history of the airport's 80,000 assets. Staff can monitor this data through a dashboard setting.
LIDAR: LIdar scans, subsurface utility data, high-resolution drone imagery, and traditional survey methods can also serve ground control applications. In addition to being spatially accurate within one inch, the twin is also important to real-world control points. Sensors and assets match, allowing staff to see real-time information about system conditions for greater operational awareness. With the retirement of maintenance staff, the spatially accurate model also serves as a form of organizational memory. This software facilitates communication between new crews and existing operations while providing an instructive virtual representation of company facilities.
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