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CASEstudy Leveraging AssetWise Clarion Housing have devised their own Asset Management solution, based on Bentley's AssetWise ALIM, to comply with the government's Building Safety Act It was a natural outcome following the horrors of Grenfell in 2017 that the UK government should introduce new legislation covering safety issues in high-rise buildings. The Building Safety Act 2022 is a huge change in the government's regulatory framework. It's aim is not only to change the way the construction industry handles safety issues within the design, construction and operation of high-rise buildings, but also to give occupants a greater say in how their building is kept safe, and to raise safety concerns directly with owners and managers of such buildings. It gives leaseholders substantially more clout when it comes to sorting out building safety defects, and the tools that will enable allow those responsible for tragedies and financial burdens arising from other building safety defects to be held to account. The new regulations are designed to overhaul the existing ones, and to make clear how residential buildings should be constructed, maintained and made safe. To implement the Building Safety Act, three new oversight bodies have been set up: the Building Safety Regulator, the National Regulator of Construction Products and the New Homes Ombudsman. Responsible for the implementation of the Building Safety Act are the designer, the contractor or the owner, who will be required to manage building safety risks during the design, construction and occupation of all buildings and can demonstrate that they have proportionate measures in place to manage building safety risks. If they don't meet their obligations they may face criminal charges, and at the very least, they will need to contribute to the costs of fixing their own buildings. CLARION HOUSING GROUP Conforming to the new requirements is another matter entirely, requiring developers and owners of such properties to compile details of which parts of a building are considered to be a fire or structural risk, and which are covered by the new regulations, and to maintain records of their performance, regular inspections and any other information about the steps taken to mitigate those risks. Hence Clarion Housing initiating a project to digitise information for all components of higher-risk buildings that impact fire and structural safety and enable it to comply with the Building Safety Act. The initiative, they say, will increase the safety of all of Clarion's higher-risk buildings through enhanced asset management, and improve and demonstrate the safety of Clarion's stock. Clarion Housing have a portfolio of higher-risk buildings in London and across England, all residential buildings of seven storeys and above. The project presented significant information challenges when gathering and coordinating data that was at times siloed, unstructured, missing, and inaccurate. Catering for a portfolio of buildings constructed over some years and including modern and future buildings designed to BIM specifications, the complexity of information gathering can often outweighs it value. Clarion, however, wanted to develop a fully operational Point cloud scan of a high-rise building 20 January/February 2024
CASEstudy digital estate of their portfolio of properties and needed flexible technology to create a smart, dynamic asset platform. They decided to develop their own digital twin, to create their own 'Golden Thread' between the building and the information about the building components that needed to be covered. Three years ago they set up a small team under the guidance of Jack White, their Technical Manager, to digitise each of their buildings to create their own 3D model to which they could attach the relevant data. It was a meticulous process, using laser technology to create point clouds describing the elevations and the internal layouts of each building, so that they could create the detailed floorplans required to meet the new building safety regulations. The point clouds were converted into iModels, Bentley's model sharing format, which allows information from different applications to be shared and used in different applications. Bentley's iModelHub, part of Bentley's iTwin Services, was used to align and improve accessibility to iModel data and is regarded as a sort of control centre for iModels, coordinating concurrent access as well as maintaining a timeline of changes to the information. Information about every component within a building was physically acquired and entered into the digital twin. Fire doors were checked and the specifications confirmed by the original suppliers where possible. Other structural elements that were regarded as part of a fire risk were also added - bearing in mind the principal causes of the fire at Grenfell. Elements such as gas-fired equipment, boilers, suppression systems, fire detection, and cladding were also added to the 3D model, being considered as significant in understanding risk. The information was compiled from many different sources and placed in a spreadsheet, enabling it to be integrated within Bentley's AssetWise ALIM. This established an intelligent system of components and building parts across all higher-risk sites with all relevant assets linked to a physical model. The Bentley-based solution provides a register of all assets within a building together with related data and provides a record of the results of inspections and completed works. It can also be used to analyse the outcomes and schedule regular and preventive maintenance tasks, providing cost-effective asset management, better prioritisation of risk, and safer buildings. REPORTS AND SCHEDULES The aim of the project was to set up and maintain a real-time overview of the status of each building and its ability to comply with the Building Safety Act, and to make it available to the building safety manager within each of the buildings. AssetWise ALIM Web facilitates this, as it includes a cloud based platform that allows users access to all the information they need. Jack informed me that they worked closely with Bentley Systems on this project as AssetWise, when they started using it, was not exactly geared up to produce specifically what they needed - but over the last three years they have now reached the stage where the integration with their digital twin is fully operational. The Golden Thread is now working successfully, and the team is confident that can now take it further. FULL COMPLIANCE The Clarion Housing Group has provided a hugely successful response to the challenges of the Building Safety Act and now has the means to measure, plan for and react to current and future safety risks. Armed with this information, they can also satisfy the requirements outlined above - namely "to give our teams the best chance to not only keep our residents safe but help them feel safe in their homes." www.bentley.com January/February 2024 21
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