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BIM-based holistic tools for Energy-driven Renovation of existing Residences

Periodic Reporting for period 3 - BIMERR (BIM-based holistic tools for Energy-driven Renovation of existing Residences)

Okres sprawozdawczy: 2022-01-01 do 2022-09-30

The mission of the BIMERR project is to design and develop an ICT-enabled Renovation 4.0 toolkit comprising tools to support AEC stakeholders throughout the renovation process of existing buildings with the goal of increasing energy efficiency. It will enforce semantic interoperability among its own tools as well as with third-party ICT tools to enable seamless BIM creation and information exchange among the AEC community in an effort to boost the rapid adoption of BIM in renovating of the existing EU building stock. BIMERR focuses on 5 main objectives:
1. Facilitate the acceleration of the renovation trend to meet the EU policy objectives by demonstrating the BIMERR tools in actual renovation sites to prove their impact and providing best practice examples to the AEC community
2. Establish semantic interoperability among the diverse popular standards, formats and data models in the construction industry and reach out to standardization bodies with concrete and demonstrated proposals for linking and mapping them toward a unified way to retrieve building information
3. Develop innovative methods, techniques, and tools for the (semi-)automated creation of enhanced digital building models of existing buildings to remove one of the main barriers to renovation
4. Deliver novel renovation support tools to ease and improve the efficiency of the renovation process for all stakeholders involved
5. Promote the adoption of the BIMERR solution as renovation-enabling toolkit through intense dissemination and knowledge transfer of the project outcomes toward the targeted stakeholders, reaching out to audiences within and beyond the EU
The development of the BIMERR tools was driven by the functional and non-functional requirements which were elicited based on activities involving a variety of stakeholders. BIMERR delivered a number of tangible outcomes that were deployed and evaluated in two pilot test sites in Poland and Spain. The tangible outcomes include: (i) the BIMERR data models and ontologies, (ii) the BIMERR Middleware, (iii) tools for the as-is building information extraction and model population, namely, Scan-to-BIM and its tools, ARIBFA, PRUBS, BIM Management Platform, BICA, (iv) RenoDSS, (v) the Process and Workflow Modelling and Automation toolkit (renovation process modelling, simulation, PWMA for workers, PWMA for residents), and (vi) the BIMERR Interoperability Framework. Additionally to the software tools, the set of tangible outcomes includes the BIMERR evaluation methodology.

Taking into consideration: (i) the results from the tools’ evaluation in the project pilots, (ii) the BIMERR partner exploitation intentions as well as (iii) the market trends and characteristics of competitive offerings, the consortium identified steps towards further developing the BIMERR Integrated Solution into a market-ready state (TRL9). This is proposed to be achieved through the set-up and operation of a joint venture of key partners that shall try to seek further funding through various available mechanisms after the project ends, e.g. funding and financing options provided by the EC or private venture funds. In support of this, a preliminary estimation of the needed efforts and associated costs was compiled. Furthermore, a preliminary business plan was developed foreseeing the independent gradual offering of BIMERR tool bundles to customers as they become market ready until the entire BIMERR Solution can also be offered commercially. The tool bundles address needs of distinct end-users along the renovation pipeline and are consistent with the relevant tools used in the BIMERR validation Demo Scenarios. Integration of all tools under the BIMERR Interoperability Framework remains key point that supports the Unique Value Proposition of BIMERR. Future work of the BIMERR Joint Venture will prioritise extensive demonstration and validation of the integration of all tools towards commercialisation.

A preliminary financial plan was developed, covering a period of 9 years after the initiation of the Joint Venture and taking into consideration further development costs and efforts for all BIMERR tools. Using the model, a what-if analysis was executed and the minimum required sales figures for the perceived venture to become profitable were identified. Preliminary pricing of the future BIMERR offerings was identified based on comparable products already offered in the market. A preliminary definition of next steps, actions and milestones after the project ends was defined in order to guide the consortium in its next steps beyond the project duration.

Dissemination, exploitation and standardization activities were carried out in parallel to the technical activities throughout the whole project. BIMERR partners participated and organized approximately 77 different actions in the 45 months of the project, including the organization of 21 conferences and workshops, participation in 30 conferences and workshops, BIMERR presence on LinkedIn Groups and Twitter, newsletters and 5 flyers, 19 peer-reviewed articles - 5 journals, 14 conference papers, amongst others.
BIMERR's progress beyond the state of the art include:
- The BIMERR Interoperability Framework (BIF) is a cloud-based platform facilitating end-to-end interoperability of applications in the AEC sector that still struggles with BIM adoption and the effective utilization of building-related data.
• Addressing long-prevalent semantic interoperability challenges through data reconciliation and harmonization functionalities based on common underlying data models, that build on the network of BIMERR ontologies, are tightly knit to well-known sector standards and cover a wide span of data exchange needs.
• Offering extensibility-by-design through the BIF-native data model evolution and lifecycle management features since new needs for data exchange across the different applications and AEC stakeholders will inevitably always emerge.
- The Scan-to-BIM tool not only models the architectural structure of a building (walls, slabs, openings) from 3D terrestrial laser scanning data, but also augments the model with some MEP components (vents, air conditioning units, sockets, radiators) detected in the same data. Initial results have been published in [STB-1;STB-2]. The novelty of the developed solution compared to the state of the art is that it does not rely on integrating laser scanning and photogrammetric data, and instead delivers the same functionality/output using laser scanning data only.
- ARIBFA is an Augmented Reality (AR) application that performs the 3D BIM model visualization and editing onsite. ARIBFA enables the IFC enrichment onsite via the detection of missing Mechanical, Electrical, and Plumbing (MEP) components and their addition to the IFC.
The Building Information Collection Application (BICA) is an intuitive smartphone application designed for building residents; empowering them in contributing to their building BIM model creation prior to a renovation project, by providing direct information (including notes and photos) about weaknesses / issues with their apartments’ components (e.g. HVAC, openings, etc.) through their phone in a non-intrusive manner. Moreover, building occupants can monitor their apartment’s indoor condition and provide their actual comfort status against the set conditions thus contemplating the overall process of comfort profiling extraction.
The BIMERR tools
The BIMERR path or roadmap for digitalising building renovations with focus on energy efficiency
The BIMERR concept