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Tunnel section under Alexander Malinov Blvd.
Technical data: Length = two one-way tunnel pipes, each 395 m. long; Profile = 35 m2. each pipe.
Period:
Additional information: Metro tunnel – Tunnel section under Alexander Malinov Blvd., part of the First metro diameter, between Metro station 13 – Maldost I Qr. and Metro station 18.
Tunnel constructions – New Austrian Tunneling Method
Activities: Drilling and reinforcement, inner concrete.
