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Dmitrijs Kaškarovs
Project Manager
dmitrijs.kaskarovs@L4.lv

When tree leaves absorb the magical power of sunlight, it is transformed into eternal energy. This is a stimulus for growth.

Electric power supply and electric equipment design, consulting


Firma L4 designs, consults, and implements detail designs in the field of electric power supply and electric facilities:

  • switch gears and transformer substations with voltage up to 20 kV,
  • street lighting reconstruction and new arrangement projects,
  • electrical installations up to 1000 V, overhead lines and cable lines with voltage of 20 kV,
  • electric lighting and power equipment in residential, public, and industrial buildings and constructions,
  • electric lighting and power equipment in areas with explosion and fire hazard.

A detail design for electric power supply includes creation of combined transformer stations (KTP) equipment and input accounting parts, designing of cable and overhead lines. A detail design for electric facilities includes lighting of premises and territories, internal power networks, and lightning immunity.

The company is registered in the Construction Company Register of the Ministry of Economics of the Republic of Latvia, and its employees possess all necessary certificates issued by the Latvian Union of Electric Power Engineers for execution of the above-mentioned works. In our designing works, we apply the newest network calculation, lighting, and other software.

Lielākie projekti

  • Bank of Latvia
    • Detail design for electric power supply for the building of the Bank of Latvia at K. Valdemāra street 2a in Riga
    • Reconstruction of external lightning protection system at Ģimnācijas street 12 in Daugavpils (2010.)
    • Reconstruction and renovation of the Bank of Latvia office building at K. Valdemāra street 1b in Riga (2009.)
  • Balts un Melns, Ltd.; R.Evolution properties, Ltd.
    • Detail design for internal and external electric networks for the apartment house “Aizkulises” at A. Čaka street 134 in Riga (2006.)
  • Jūrmala town council
    • Reconstruction and renovation of Ķemeri National Park Decorative lighting of streets and the park (2010.)
    • Detail design for electric power supply and street lighting within the project of reconstruction of Jūras un Ērgļu streets in Jūrmala (2006.)
  • EJA, Ltd.
    • Detail design for electric power supply for an annex to the building of Mārupe rural municipality (2005.)
  • Latvenergo, AS, branch “Daugavas hidroelektrostacijas”
    • Detail design for reconstruction of grounding system at Plavinas HPP (2005.)
  • Mazais Baltezers, Ltd.
    • Development of a detail design and an electric power section of the detailed plan for the residential estate village “Mazais Baltezers” (2004.)
  • LX grupa, JSC
    • Reconstruction of the AS “Latvijas Unibanka” administration building “Unicentrs” (2002. -2003.)
    • Reconstruction of the 9th building of Pauls Stradins Clinical University Hospital, detail design for electric facilities (2001. - 2002.)
  • Sadales tīkls, AS
    • Reconstruction of TP-583 in the area of Graudu street and Vienības avenue (2010.)
    • Installation of TP, reconstruction of electric power supply for Šķirotava prison (2009.)
    • Installation of KTP, reconstruction of 10/0,4 kV network in the area of Mūkupurva, Gramzdas, and Grenču streets (2006.)
  • Riga City Council, Transport Department
    • Reconstruction of street lighting in Old Riga, in the block bordered by 11. Novembra embankment, Jauniela, Jēkaba, and Torņa streets (2000.)
  • Salu tilts, corporation
    • Detail design for reconstruction of lighting under the project of renovation of bridges and traffic cross-over (2008. - 2009.)