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Success Story

Construction of the Supreme Audit Office Headquarters using Autodesk Software - PORR a.s.

Construction of the Supreme Audit Office Headquarters using Autodesk Software - PORR a.s.

Customer challenge

The facility is multifunctional with a predominant administrative function. The building is divided into two wings labeled as H and G within a broader area. The wings are connected by an underground floor (1.PP) and a connecting "neck" at levels 4 to 6.


Structurally, it is a load-bearing monolith, founded deeply (wing H) and partially on a slab (wing G). The substructure consists of a white tub and the construction pit was secured by anchored retaining walls. The building has a two-winged (H) or three-winged (G) combined load-bearing scheme. The superstructure consists of load-bearing perimeter walls complemented by internal columns, pillars with capitals, and slab beams. The unique feature is the connecting structure (the so-called "neck"), consisting of glued laminated timber trusses.

Project goals

In addition to other documents, such as structured tender, conditions including construction standards, safety and operating schemes, or Life Cycle Cost (LCC) analysis, the tender conditions included a contractual standard for BIM – the BIM Protocol. It clearly specified rules for digital collaboration. The BIM Protocol included an Appendix for the Building Execution Plan (BEP) specification and an appendix related to the Common Data Environment (CDE).


The BEP specification included, among other things, the definition of Level of Information (LOI) requirements in the form of a table with defined parameters for each part of the model. Alongside information, the table prescribed a numerical Level of Development (LOD) for each part. In collaboration with the client, the LOD section was supplemented with Level of Geometry (LOG), providing graphic and textual descriptions of individual model parts. The LOG clarified how both parties understood the numerical definition of LOD and what they expected from the BIM model from the outset.


The use of the Design & Build method and providing the BIM model as part of the tender documentation allowed the client to fully leverage the experience and know-how of the PORR a.s. team, for example, by proposing HVAC optimizations.

Solution

The project "Construction of the Supreme Audit Office" utilized Autodesk Revit and Autodesk BIM 360 software. Autodesk Revit served as the fundamental software for creating project documentation and a BIM model meeting the client's requirements. The software streamlined the entire project work, from design to presenting the ongoing model realization, facilitating collaboration among a large team of designers and coordinating professions in real-time.


Collaboration made use of the Autodesk BIM 360 CDE – a platform with which PORR a.s. has extensive experience, capable of working directly with BIM models in addition to traditional document management. The BIM 360 Design module, enabling real-time collaboration among designers, was specifically employed in the design phase. All partial BIM models were stored on BIM 360, and designers worked on them in Revit directly from this CDE. This working method allowed the creation and maintenance of a construction model, referred to as the "digital twin," in sync with the actual construction project.

Business outcome

Through retrospective evaluation and comparison with other projects not designed using the BIM method, the following benefits were identified:

  • More efficient utilization of contractor personnel.
  • Cost and time savings on repairs.
  • Reduction in project completion time.
  • Ability to divide subcontracting into smaller delivery units.
  • Material savings due to the choice of optimal route lengths, grouping (e.g., cable trays, suspension systems).
  • Use of model coordinates for automatic site layout, high precision, time savings.
  • Potential use of robotic work.
  • Potential for prefabrication.

Conclusion

For all participants involved in this groundbreaking project, especially for all departments of the general contractor, PORR a.s., it can be stated that the undeniable advantages of digitization primarily include easier communication with both the investor and among various company departments (e.g., communication between the project department at the company's headquarters and on-site construction management), subcontractors, and all other involved parties. The establishment of a common data environment (CDE) ensures that all elements of the process are involved in the project from the initiation of work on project documentation to the completion of construction.

Project summary

    Duration & delivery

  • 480
  • 2023-06-04

    Autodesk solutions

  • BIM 360
  • BIM Collaborate
  • Docs
  • Revit

    Services provided

  • BIM
  • BIM/CAD Standards
  • 3D Modeling
  • Concept Development
  • AEC

    Customer industry

  • Architecture
  • Civil Engineering
  • Construction Design
  • Facility Management
  • MEP Engineering
  • Structural Engineering
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