Lean Construction Ireland Annual Book of Cases 2021 85 Figure 3. Active Units & Readers MHI deployed the OneID solution for tracking both modules and work.OneIDs transmit data on a regular configurable time interval, so installing readers in zones around the factory/sites and attaching the OneIDs to the module frames allowed tracking of the assembly and installation process until the finished module got installed onsite. In addition, the people and equipment involved in the build and installation are tracked and linked to the modules,which thus allows for the actual work to be heat-mapped in near real-time and provide data to optimise the value process. Figure 4. Tracked Module NFC on the module allows MHI to add value to the assembly process. For example, a building or quality process step can be acknowledged through a mobile app by simply tapping the mobile against the NFC, informing the user about the module’s current status or proposing the next tasks to be completed – all specific to the users’ role need. Additionally, the NFC stays active on the module for life, thus providing all the relevant lifecycle information for possible operational and circular recycling requirements. Key to the OneID value is capturing the data in a granular format consisting of secure identification data and sensor values.The reader adds location and time information to the data that is captured.The reader infrastructure reads any OneID in range and updates the data seamlessly with BAM and other stakeholders. This novel approach to capturing information has far-reaching consequences for how BAM approaches adding value to its digital construction.This OneID is a fundamentally simple approach that has its strength in being both modular and easily scalable. Implementing a single source system like this creates consistent and clean data, enables multiple stakeholder and system requirements, and seeds the data mining process of the BAM data lake to support the smart cities future. Beyond the advantages to existing industrial construction practices, this solution can add value when applied to existing processes.When compared to the structured environment of a factory, the traditional construction site environment has an unstructured and often chaotic pace and flow.The challenge for the project management team is to get high-quality and timely information that will guide the decisionmaking process and therefore the optimisation of the value returned. By implementing a single multifunctional modular solution, we can replace existing solutions to a single source platform.This alone addresses many sources of waste, including: • Over-Production –We only create and collect the data we need on the item being tracked due to the modular nature of the solution. • Over-Processing –With a modular solution that runs on a single platform, there is no need to translate the data into a common format. In addition, the fundamental nature of the data allows for multi-use analytics beyond the original need for the data. • Inventory – A scalable modular solution can address the need to have multiple products from different vendors as this solution can replace them. For example, the same thermo module can track concrete curing or storage temperatures for modular bathrooms. On a highly-dynamic construction site, the ability to track the resources, plant, and materials for each work task in near real-time will enable better daily management, provide metrics to support continuous improvement, and generate data to verify the value-add to both the client and the stakeholders. Case 23
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