Interchangeable format for geotechnical contracts for linear projects

Last year, we got a team to update the C4 Code.

Our company, represented by the development director Mr. Ing. Jan Jiránek, last year we got into the team of Mrs. Ing. Petra Janků, who was to update the C4 regulation on behalf of the Regional Directorate of Transport as the technical guarantor of the project. This was a work that fits into the new modern era of standardization and digitalization of RDS processes, which was not included in the original C4 Code for the preparation of geotechnical investment contract documentation. One of the significant results of our joint work was the design and negotiation of the C4 exchange format proposed by ISAX. This interchange format is based on XML with an XSD validation template prepared to verify that the resulting format is formally correct.

Another product of this collaboration is the drafting of a new version of the C4 Technical Code, which reflects the C4 exchange format, prescribes an unambiguous machine-readable structure for geotechnical contract datasets such as probe documentation and photo documentation, including links to descriptive information, as well as correcting several ambiguities that resulted from the use of the previous version of the code.

The team included geomatics specialists from ISAX Ing. Barbora Racková and Ing. Jiří Blábol, for the other guarantor of the Czech Road Directorate Ing. Kamil Alferi, for the Railway Administration Mr. Ing. Milan Majerčík and for the Czech Geological Service Mr. Richard Binko. Geotechnics, as experts, were represented by Mgr. Vít Ambrož, Ing. Mgr. Jan Valenta, Ph.D., Mgr. David Relich, Ph.D. and Mgr. Marián Bošanský from our partner company Geostar s.r.o.

Another significant result of our joint work was the basis of the draft BIM model of geotechnical contracts for SFDI, prepared by Ing. Jana Gottvaldová, Ph.D., and Ing. Edita Kunčarová for CadConsluting. The design assumes a BIM object of the probe site, the groundwater surface, and 3D cylinders of the individual geological layers, as can be seen in the prototype design image.

Currently, the approval processes for updating the technical regulation are underway on the side of the Railway Directorate and the Railway Administration will be initiating a project that will be inspired by the results from the Railway Directorate, which will certainly be used in the planning and construction of VRT. The Czech Geological Service has promised to accept the exchange format for the newly planned automated processing of mandatory geotechnical contract deliverables into the CGS geofund, which will speed up and, more importantly, digitalize the current process.

Ing. Jan Jiránek

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