Grand Central Berlin, MK 1

Building Pit, Officecomplex


OVG Cloud GmbH
Tauentzienstraße 11
10789 Berlin


BeMo Tunnelling GmbH, Niederlassung West
Ground Engineering Berlin

Project location

Invalidenstraße / Emma-Herwegh-Straße
10557 Berlin

Start of construction


End of construction


Project total value

4.2 million €


Up to 2 m anthropogenic fillings, underneath fine sand, with depth changing to medium and rough sand. Approx. 15 m below ground level there is a formation consisting stone and silt, thereunder once more sand and gravel.
The foundation soil is layered from loosely up to moderately compact.
The level of ground water is present 4.0 m below ground (on average).

Technical Data

The building pit will be constructed for the office building „MK 1“,
which belongs to the Complex Grand Central Berlin.

This project includes
• diaphragm wall style with steel reinforcement and anchors
• medium high situated jet-grouting floor with back anchoring
• earthworks
• water drainage works

Base area / floor space: approx. 2,800 m²
Excavation depth: up to 10 m

Difficulties arise from
• inner-city location
• situated right next to the elevated railway route of the German Railroad Company “Deutsche Bahn”
• tramway routes in immediate vicinity