Transport infrastructure / rail


test testtetst Estonian/Latvian border in Estonia


Location: Estonia
Client: RB Rail AS, Rail Baltic Estonia OU
Date: 2022 –
Construction costs: approx. € 500 million
Technical Details

The project involves the construction of the new Line connecting Pärnu in Estonia to the Estonian/Latvian border. The railway section has a total length of 93,5 km, two rail tracks and the maximum design Speed is 249 km/h. The section has 10 Railway bridges, 23 Overpasses, 7 underpasses, 3 stations platforms, 12 Ecoducts, 110 culverts and retaining walls. The project adheres to the EU interoperability requirements and designs are according to the relevant Estonian and European regulations.

The project is to be constructed in quite demanding geotechnical and geological conditions. Especially for the part of the route on the accumulative lowland of Pärnu, soils with poor geotechnical properties and with a thickness in the order of 100 m or greater are met. Groundwater is close to the ground surface in most of the route.

OBERMEYER’s assignment embraces the provision of engineering services in both the design and the construction phase, with design supervision services. This project is one of the first infrastructure projects worldwide to be executed in a full BIM environment

The Design process comprises five stages:

  • Site Investigations
  • Value Engineering
  • Master Design
  • Detailed Design
  • Design Supervision Services
Services Provided

The scope of services includes the execution of surveys and the elaboration of all designs in a BIM environment. OBERMEYER brings to the project its extensive BIM and Project management experience. OBERMEYER is the leader of the joint venture with the Spanish engineering company PROINTEC.


  • Geodetic (topographical) surveys
  • Geotechnical Surveys


  • Design for all Civil Works (substructure, superstructure, structures)
    • alignment – substructure
    • railway superstructure
    • railway bridges
    • road/animals overpasses/underpasses
    • retaining walls, culverts
    • drainage
    • formation setting
    • platforms at railway stations and halts
  • Environmental Design

Design Supervision:

  • Design Supervision Services during construction for all sections / construction objects / construction permits in accordance with Country’s construction legislation and current Technical Specification with the involvement of the experts responsible in the Design Services

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