The construction of new buildings is a complex undertaking. The number of building regulations alone is in the four-digit range. The building energy law, which entered into force in November 2020, is intended to simplify the energy regulations, but does not change the construction processes. The many parties involved in construction – from the client to the planners and executing companies to the subsequent users and approval authorities – require and generate endless amounts of data and information. How much easier collaboration would be if every actor could access the same data in real time and constantly update it - for all to see. This is exactly where the Building Information Modeling (BIM) comes in. The comprehensive digitization of all building information relevant to planning and implementation in a virtual building model brings not only more transparency and efficiency in the construction phase. The use of the BIM method already at the beginning during 3D planning enables the later operation of the building to be optimized.
This is the future: A new building can be viewed virtually in the finished state before the first brick is set. All changes in the planning are made by mouse click. The BIM method is designed to make this a reality. Building data modeling is used to create the building digitally. For this purpose, all the data relevant for the construction are integrated into the planning, and the participating actors all access the same synchronized data base, the common data environment (CDE). Particularly practical: In addition to the three-dimensional building model, all properties in terms of technology, materials and building physics and costs for a comprehensive view of the building are stored here. Later operations are also considered before the start of construction and are geared towards efficiency.
The step towards digitalization in the construction industry is overdue. The introduction of the BIM method will make projects in the future more cost-effective, more efficient and faster in processing. Particularly exciting for ENGIE as a TGA and energy service provider: The model data can also be used to simulate the energy efficiency of the building in a proactive manner and to calculate various variants.
While many European countries – such as Scandinavia, Italy, the UK and Spain – already have a BIM obligation, only individual projects have been implemented in Germany. A 2019 study by the Düsseldorf-based market research institute BauInfoConsult on the use of BIM in the construction sector shows that the new technology is used on average at one tenth of the project volume in Germany. Even though few complete BIM projects have been put out to tender so far, most companies are already preparing to implement the BIM process in the coming years. This is also due to the fact that the BIM method has been mandatory in Germany since December 31, 2020 for all public infrastructure projects, i.e. for new roads, railways, airports and infrastructure construction.
The changeover to BIM involves a considerable financial and time effort. New tools, skills and processes need to replace many of the established workflows and processes. The prerequisite for the smooth participation in a BIM project are efficient software solutions and open interfaces. In addition, employees must be trained in the change process and new key positions must be filled. A uniform language is also decisive for building information modeling: Terms must be used and defined equally by all partners involved; uniform standards for the exchange of data are also required. Questions about the sovereignty of the data, their security and access rights must also be clarified. Last but not least, the entire design of the contract must be revised.
There is no going back on the way to the BIM method. Digitalization will help the construction industry to increase efficiency over a long period of time. Buildings represent around 40% of annual CO2 emissions – this is where sustainability is of high importance. This applies to the planning and construction process as well as to subsequent operation. Exact and transparent planning improves work efficiency in the construction phase, saving resources and reducing error rates and reworking. With the help of an accurate recording of all products used in the construction, a life cycle assessment of the building is possible in the future, from project development, planning, construction and use, to the dismantling and disposal of the components. With little effort, the gray energy for the production of the materials can be determined and the consequences of the products used on the sustainability and the energy requirement can be taken into account at an early stage.
It is crucial for the success of a BIM project to clearly define the objectives in advance. Clients should take a close look at the operational phase early in the planning process and prepare a detailed client information request. The ENGIE Group has been working on BIM projects in various countries for five years, including Spain and the Netherlands, and has gained valuable experience in this field.
For us, building information modeling is not just a 3D planning of buildings. We look at planning through the eyes of the TGA service provider and at subsequent operation through the eyes of the facility manager.
Currently, the decision to work with the BIM method still requires a bit of pioneering spirit. But right now is also a good time to gain initial experience, build up internal know-how and work on the conversion of internal processes. We provide our clients who decide to work partially or completely with the BIM method for a project with comprehensive consultation right from the start of the project:
Does Germany still have a chance to transform the real estate sector in terms of energy by 2050? With the right concepts and a spirited approach, yes! In this article, you will learn about the potential offered by serial refurbishment and how ENGIE Deutschland is contributing to the energy transition in the real estate sector.
At the 22nd Berlin Energy Days, ENGIE Deutschland and GASAG Solution Plus presented an innovative residential and energy project. Here, sustainable and energy-efficient living and working will be conceived together.
Making a contribution to a more sustainable construction and real estate industry of tomorrow: This is the mission of the Smart Building Innovation Foundation (SBIF), which was founded in Berlin on January 20, 2022.
An interview with Prof. Dr.-Ing. Bernd Döring.
EU taxonomy, ESG criteria: In an interview, Mr. Mallinckrodt from Union Investment explains why sustainability is becoming more and more relevant in the real estate industry.
Why must climate protection in buildings be given greater focus? And where can zero-carbon strategies start here? ENGIE Deutschland discussed this with experts from business, research and politics.
Once a month, Manfred Schmitz, CEO of ENGIE Deutschland, shares his views on current topics. The third issue of his column deals with the topic of buildings.
For further digital growth, Europe needs a reliable data center infrastructure. The Climate Neutral Data Center Pact aims to operate the data centers in Europe in a climate-neutral manner by 2030.
Christian Noll, Managing Director of the German Enterprise Initiative for Energy Efficiency (DENEFF) comments on the stimulus package in a guest commentary: Will it help to tackle the climate protection task of the century?
ENGIE Deutschland was represented at the digital Berlin Energy Summer with a panel on digitalization and new usage models for higher building efficiency – an overview.