Max Bögl

Max Bögl is a Pioneer for BIM in Infrastructure Engineering

*iTWO is the core solution of MTWO Cloud


About Max Bögl

With more than 6,500 highly qualified employees at 35 locations worldwide and annual sales of around 1.7 billion euros, Max Bögl is one of the largest construction, technology and service companies in the German construction industry. 

“Three-dimensional models form the basis for the use of BIM on the building site.”

- Evelyn Roßner

Driving BIM forward on the construction site

Building Information Modeling (BIM) has for a long time not restricted itself to structural engineering: Thoroughgoing, integrated construction processes – from pre-planning through realization to usage and maintenance – can offer assistance just as well to participants in infrastructure projects, introducing more safety, quality and flexibility in the implementation of the construction task. To drive forward BIM processes actively in the field of highway and drainage engineering at Max Bögl, Evelyn Roßner, who is experienced in the infrastructural field, was given the task, as BIM coordinator, of implementing such thoroughgoing thought processes in civil engineering projects. “Three-dimensional models form the basis for the use of BIM on the building-site,” the expert explains. “They not only bring many advantages throughout the entire planning and construction process, but also make things once apparently impossible, possible,” Evelyn Roßner continues.

RIB iTWO civil in interplay with the enterprise solution iTWO 5D: The drainage-specific features of the software were conceived for the demands of such measures. Volume objects in the model form the basis, which are automatically provided with special attributes for cost determination and construction billing.

RIB iTWO civil and iTWO 5D for drainage dimensioning

Commissioned by the North Bavarian Highway Directorate, the company undertook the renewal of the concrete roadway and renovation of the drainage on an approx. ten kilometer stretch of the BAB A7 highway between the Gollhofen and Uffenheim intersections. For this project, for the first time, the functionalities of the RIB software iTWO civil for pipeline construction, in interplay with the enterprise solution RIB iTWO 5D, were employed. The drainage-specific features of the software were conceived for the demands of such measures. Volume objects in the model form the basis, which are automatically provided with special attributes for cost determination and construction billing. Here, depth steps were considered. In pipeline construction – depending on the depth step – different cost approaches arise for backfilling, for example, or the length of a pipe. The volume objects for the model approach receive corresponding attributes. The height of a chamber ring or the diameter and material of a special pipe can be freely or generically assigned attributes of a drainage project.


Over a period of around nine months, the company constructed, among other things, 20 pre-cast concrete shafts, 115 pre-fabricated plastic shafts, approx. 830 meters of partial soakaway piping and in total around 5,500 meters of multi-purpose pipeline and around 300 meters of reinforced concrete piping. Here, the partial soakaway piping and the multi-purpose piping were installed as a longitudinal drainage below the trough and the reinforced steel pipes as transverse to the roadway to drain the central reservation and as an outlet. The client, who also works with RIB software solutions, provided the information on the existing site in ISYBAU format. Quantity takeoff took place at Max Bögl for the first time with the extended RIB software and was completed within a period of around two weeks. Evelyn Roßner estimates that the quantity takeoff for this kind of measure could be possible in an even shorter time, as soon as all members of the team know the functionalities well and are confident with the BIM program. Once the takeoff is complete, the new data on the state of the road/channel are once again handed over to the client in ISYBAU format so that all extensions and alterations to the drainage after renovation are available.

Simplyfied accounting of depth levels

“The client demanded gradations from us of 1, 1.75 and 3 meters in depth. By hand, this would be impossible to bill.”

- Evelyn Roßner

“The levels  presented a particular challenge,” the BIM coordinator explains. “The client demanded gradations from us of  1, 1.75 and 3 meters in depth. By hand, this would be impossible to measure”, the expert says. An exact height plan would be required here in order to determine which ground layer heights are present in which areas of the drainage. “It would be an intensive amount of work and thus a huge time expenditure,” she adds. “However, it is not a big deal with the iTWO civil solution because here the formation layer is known and the program calculates all the required heights and depths automatically.”

Advantages of model-based working methods

One way in which work changes when BIM models are used in highway or pipeline engineering, is the additional effort at the start of a construction project. This has been the experience of this expert from the construction company, based in Neumarkt. This is because numerous working processes are moved to the calculation or project preparation phase: From a rough model in the calculation phase, a more detailed one arises through project preparation to execution, one which is continuously and uninterruptedly supplied with information and further extended towards complexity. Thus, in this early project phase, many aspects are prepared that can immensely reduce the workload in later cycles – for all participants. In pipeline construction, for example, the planned height for the shafts to be built remains preserved to the end of the project. Even when alterations are made over the course of the project, the RIB program iTWO Civil enters these into the overall process, notifies of all adjustments and makes them accessible for everyone on the site and in the office for whom they may be of relevance. “If we work throughout in a model-oriented way, finished volume objects are used in all subsequent processes of a construction task,” Evelyn Roßner acknowledges. “This optimizes all further tasks for the quantity surveyors and site managers equally.”

The levels presented a particular challenge. The client demanded gradations between 1, 1.75 and 3 meters in depth. The iTWO civil solution calculates all required heights and depths automatically.

Construction management

and construction accounting profit equally

Roßner remembers that in the past site managers measured all angles between the individual pipelines by hand. A Sisyphean task. The exact data created through the BIM method are available to the site manager from the start and save them a lot of work and time.


For those in accounting, due to the model-based approach, all the groundwork is laid down that could be of relevance for accountants. This way, unclear and uncertain areas can be excluded, something which is essential for a partnership-based construction process, in the experience of the Max Bögl company.

Targeted production and delivery of

pre-fabricated parts

For Max Bögl it is also conceivable that in the future, pre-fabricated components for drainage, such as chamber rings or piping sections, will be automatically put into production in a targeted fashion according to the construction process planning and delivered to the construction site punctually at the time determined for their installation. This also brings the advantage that intermediate storage is no longer needed.


“Model-oriented working is to be used in all areas of our company strategy, as we recognize the advantages and are already profiting from many of them. We want to intensify this approach in the future. Here we are given especial support by software from RIB,” the BIM coordinator and infrastructural engineering billing expert concludes.

Gray Structure

Advantages for Max Bögl

High transparency

in the planning process

Improved coordination of

all involved in planning

BIM as an all-encompassing method ensures quality

in the project

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