Underground track tunnel B23 and station A23 „Młociny”
Client: Warsaw Metro Sp. z o.o. on behalf of the Municipal Transport Directorate in Warsaw
Technical data:
Tunnel section length – 669 m
Station length with sidetracks – 437.5 m (station length - 142 m)
Technology:
Station built with mined excavation method, as a monolithic construction with the use of cavity walls. One and three-bay construction. Two-track, two-bay tunnel built with mined excavation method in cavity construction walls with central wall, dilated every 30 m.
The “Młociny” node is a modern surface transport structure, with total surface of 4 hectares. It includes: four floors of “park & go” parking for nearly 1000 vehicles, municipal bus terminus with five platforms, tram terminus with eight platforms accommodating three-car trains, suburban bus terminal, and a building housing 23 shops, two rooms for cafes and 3 traffic dispatcher rooms with control posts.
The A23 “Młociny” station is the last on line I of the metro. It consists of one underground floor and two ground pavilions, serving as platform entrances. Platforms 4.5 m wide and 120 m long each are placed on the sides, with metro tracks in between. A row of lit pillars separates the tracks. The whole has a unique architectural decor, among other elements, the wave-shaped ceiling. The station along with the three-bay holding track tunnel is 450 m long in total and has a volume of 8,530 m³ in the underground part and 9500 m³ on the surface. The station and track arrangement were with future metro line extensions in mind.