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CASEstudy BIM technology for AURA Apart Ukrainian Architects the Da Vinchi Group win the European Property Award for their AURA Apart hotel, designed using ARCHICAD and relying heavily on BIM technology AURA Apart, designed by Da Vinchi Group and Vatmanstudio, is a hotel project in Odessa, Ukraine, which recently won the European Property Awards. Designers often face difficult requirements that are key to the success of the entire project, but working on AURA Apart Hotel they faced multiple challenges with a beach location, a seismic zone and difficult terrain. The founder of the Da Vinchi Group, Sergey Yurets, and BIM Manager, Vitaly Pravdych, spoke about how they managed these challenges and why they used ARCHICAD. A LIGHT FAÇADE IN HARMONY WITH COAST The main task in designing the complex AURA Apart, which began in late 2017, was to create a light façade, which would harmoniously complement the picturesque seascape and coast. Vitaly Pravdych describes the initial challenges the designers faced: "Since the construction was planned for the seacoast, the design had to consider the climate. In addition, the site is located in an active seismic zone -- 7 points, which imposes certain structural limitations. Another feature is the complex terrain: the hotel is located on a steep slope." According to the project's BIM Manager, the practice had already gained practical experience of the software, with its wide functionality. He explained that ARCHICAD allows you to fill the model with information and then use it for the automatic construction of façades, sections, elevations and details of the project, to determine specifications, draw up documentation and so on. The entire team of specialists can also work simultaneously on the project using a common file, which significantly reduces the design time. Sergei Yurets believes that "There are quite a few architectural software brands on the market, but the undisputed leaders are ARCHICAD and Revit. For our company, the most convenient software product is ARCHICAD. The modern world is rapidly developing, and new requirements will always appear. So, it is important that software developers respond to them quickly and satisfy users' requests as much as possible." In his opinion, the interest of architects in BIM software is consistently growing, and this trend is noticeable at a global level. "For example", he said, "the British government demands public projects to be carried out exclusively using BIM technology, and private companies are gradually moving to BIM design". The Da Vinchi Group started working with BIM in 2018, initially creating a pilot team and a BIM Department. The goal was to transition to full 3D design for most sections and maximum automation of design processes. Sergey Yurets says, "Our company is actively using BIM, and now we simply cannot, or rather do not want to work differently. BIM enables the customer to be involved in the design process, allows them to be involved in all stages of design online and reduces the number of meetings for approvals. As a result, the customer gets exactly what he wants. And the head of the project organisation has more time to work with potential customers." Additionally, Vitaly Pravdych explained that BIM helps architects to avoid problems before construction begins. When sections of the project are developed separately, there are always risks. In a consolidated BIM model, the probability of error is minimised. The BIM manager explained the practical aspects of BIM implementation saying, "When we faced the first challenges, we realised that we were not using the full functionality of ARCHICAD. To educate the team, we arranged additional courses, and even began to master the program's relationship with Grasshopper. Thanks to these efforts, we improved the quality of our work and automated most of our routine processes. We also combined all technologies in one model, despite the fact that the engineering sections were not designed in ARCHICAD, exchange model information in open IFC format." 22 January/February 2020
CASE study ENGINEERING DESIGN ANALYSIS BIM technologies simplified AURA Apart's design and helped in many ways. For example, when designing the physical layout of the underground parking lot, the team monitored the overall distances required for the passage of cars or whether an increase in the height of the parking lot was required. To position the building, further studies were used to determine the alignment and positioning of the building to take advantage of the terrain. BIMx was widely used to provide the client with detailed information on every element of the project. Clicking on an object opened key information, such as the materials chosen by the designers, their quantity, as well as the cost. BIMCLOUD TEAMWORK: WORKING AS A TEAM In BIM, the amount of time spent on the project does not change significantly, but its quality improves and its implementation period decreases, reducing construction costs. Vitaly Pravdych explains. "When the project was launched we needed to speed up the earthworks. Using BIMcloud Teamwork four architects worked on it simultaneously, enabling important deadlines to be met." According to Pravdych, a system of connected modules was used for the project, which were repeated on the floors (glass façade, stairs, ventilation shafts, lintels, etc.); it significantly simplified additional calculations and made the model 'lighter'. Specially designed GDLobjects were used to design the apartment. The project was divided into several parts: earthwork, ground floor, additional floors and the roof. Further work was carried out in parallel by four groups: architects, engineers, designers and the designers from Vatmanstudio. After the mass modeling, engineers and designers were involved in the development, and the project documentation was prepared sequentially by the architects and project designers. When transferring information, cloud storage was used on the company's servers. Thanks to the universal IFC format, architects who worked on the creation of a 3D model in ARCHICAD could transfer information and set tasks without disruption to architects and engineers using Revit and Civil 3D. Similarly, completed tasks were transferred back to be added to the model as IFC modules. A CRITICAL PHASE OF THE PROJECT: COLLISION DETECTION During the development of all sections and the formation of the consolidated BIM model in ARCHICAD, a collision check was performed. This used to be carried out manually, risking inconsistencies and collisions among engineering systems, which led to delays, and significantly increased the total cost of the project. Now, everything is checked automatically in the ARCHICAD environment, producing a file marked "for correction" which was shared with the project members, who each made the adjustments in their own part of the design. SUPERVISION WITH BIMX It is interesting to note that during the work on the project, ARCHICAD helped not only in effective communication with the customer, but also on the construction site. During construction, the designers' representatives visited the site and could demonstrate the project or individual parts in 3D on a tablet, supervising construction on site using BIMx, which allowed them to compare the work performed with the BIM model. INTERNATIONAL RENOWN The AURA Apart Hotel project has received several international architectural awards, which clearly demonstrate the brilliant work of the designers and the quality of the software that was used during all stages. "The project was highly appreciated not only by the customer, but also by the jury of the European Property Awards in London, receiving awards in the Residential Highrise Architecture Ukraine and Best Apartment Ukraine categories," added Sergey Yurets. Da Vinchi Group is a team of professionals in the field of architecture and design, where everyone knows his role and is responsible for the result. They have many years of experience working with new buildings - from the concept phase to the first inhabitants (visitors), including all the stages of designing from a sketch to documentation, as well as developing visualisations of exteriors, design-projects of common areas, apartments, offices, branding, corporate identity and advertising. The project also used the services of VATMANSTUDIO, a company founded in 2013, which enables architects and designers respond to socioeconomic pressures to successfully forecast and implement modern trends in architectural and industrial design at a global level - a technology mentor for the construction industry? www.graphisoft.com January/February 2020 23
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