Project goal: in order to provide the internal diagnostics with application of intellectual pistons at Gas Main Riga-Panevezys DN 700 mm (section 0.0. ÷ 84.03.km), which is located within the borders of the Republic of Latvia, it is necessary to dismantle the existing underwater passage over the Daugava reservoir, the main inverted siphon DN 500 mm and to construct a new inverted siphon DN 700 mm instead of the old inverted siphon using the controlled perforation method.

Contractor: General Partnership “Baltijas Energo Būve” (SIA Skonto Būve 50%; SIA Olimps 50%)

The approximate boring length is 1700 m. The tasks include designing and construction works of the gas main.

The works begun on 15 March 2010 and was completed on 30 July 2011.