• Tartu mnt 50 a commercial and residential building

    This distinct-looking building accommodates 93 apartments and 3 commercial spaces. The lower part has 8 floors and the higher part 13. The basement holds technical rooms and a parking lot for 80 cars. The bearing constructions are supported by reinforced concrete pile foundations. The exterior walls towards the streets are made of prefabricated reinforced concrete …


  • Kemira production building

    The production building is located in Rae Tehnopark. A characteristic of the building is acid-proof construction, including EPO coated floors and reinforced corrosion proof steel structures.


  • Jõgeva Court house and Police station

    The Jõgeva court house and police station is situated in the centre of Jõgeva. The building has one floor underground for technical rooms and prison cells, and 4 overground floors for the police, immigration and nationality affairs office, court house and prosecutor’s office. The building stands on a panel foundation, the bearing constructions are mainly …


  • Cables of 110 kV of Emajõe substation

    In May 2007 the cable line of 110 kV installed between the substations of Emajõe and Ülejõe in Tartu was given over to the Client. During the procurement the cable lines of 110 kV were designed and installed to the substation of Emajõe and Ülejõe and between the existing overhead line and the substation of …


  • Reconstruction of the 110/35/10 kV substation of Ülejõe

    In the course of the substation reconstruction, a new switchgear of 110 kV was constructed and a new 25 MVA power transformer of 110/35/10 kV was installed and connected to an overhead transmission line. A new control building was constructed and the old part of the substation was dismantled and demolished. The procurement included also …


  • Viru-Nigula Wind Farm 110 kV substation

    In January 2007 Merko Ehitus finished construction works of the Viru-Nigula wind farm 110 kV substation, which included design, construction, installation, adjusting works and construction works of a control building. Construction works of the substation included installation of 3.1 km of 110 kV overhead power lines, construction of a control building and 110kV distribution board. …


  • Aulepa 110 kV substation

    Construction of the 110 kV AIS switchgear. Turnkey project, including design, construction, marketing, installation and assembly of 110 kV switchgear. On 1 July 2021, Merko Ehitus Eesti acquired a stake in Connecto Eesti, and the Merko electrical construction business line merged with Connecto. Acting jointly under the Connecto brand makes it possible for us to offer a …


  • Reconstruction of Aseri 110 kV substation with the merger of wind farm

    Despite the poor condition of the old substation, the need for reconstruction was driven in the first place by the desire to integrate a wind farm. Since the delivery dates of more complicated devices for this project were 6–7 months, the working schedule was strenuous already from the very beginning. The technical design, for example, …


  • Väo EJ 110 kV cable line with fiber-optic communication cable

    The 110 kV cable line connects Tallinn Power Plant with Iru 110 kV substation. What rendered the project unique was the installation of cable by way of directional drilling – drilling was accomplished from a depth of 8 m below the River Pirita and Peterburi mnt. On 1 July 2021, Merko Ehitus Eesti acquired a …


  • Ülemiste 110 kV GIS substation

    Nearly simultaneously with the renovation of the substation, the customer also intended to build a 110 kV cable line between the Ülemiste and Lasnamäe substations in order to ensure better energy security to the region. The existing 110 kV switchgear was an AIS (air insulated switchgear). According to the procurement documentation, the new switchgear would …