Metro Station 13, Sofia
Metro station 13 a part of the First metro diameter of the Sofia city metro project.
The Metro staion is constructed after the Milan method. The very metro station and the areas of the entrance-halls were constructed in two stages after the Milan method. Over 18 000 sq.m of diaphragm walls were executed, the dimension of the single lamella is 240x60cm and 240x80cm. The project is a complicated engineering construction in a densely populated urban district and complex infrastructure conditions.