Map view

SBB Bözberg tunnel

Strihen, Switzerland

Start of construction: May 2015

Construction volume (value of our services): 145 M CHF

The existing Bözberg tunnel between Frick and Brugg does not meet the new requirements for the clearance gauge (corner height 4.0 m) and will therefore be replaced by a new 4-metre corridor as part of the overall project.

Construction of the new Rotweg school building

Wädenswil, Switzerland

Start of construction: December 2015

Construction volume (value of our services): 850.000 CHF

In parts four stories high, the project is situated atop a public parking garage.

Cable Gallery

Lausanne, Switzerland

Start of construction: December 2015

Construction volume (value of our services): 11,5 M CHF

As part of the preparatory work for the Lausanne train station construction site, all the cables managing the region's rail activity had to be diverted. To do this, we have excavated and sealed two wells 27.00 and 22.00 deep, for the introduction of a micro tunnel machine with an external radius of 3.00 m, which will has drilled a 625 m long tunnel under the Lausanne train station. We also built 2 covered trenches to connect the existing networks to the cable gallery.

[Translate to English:] Schulhaus Oberfeld - Aussenansicht

Oberfeld school building

Root, Switzerland

Start of construction: December 2015

Construction volume (value of our services): 12 M CHF

Between 2016 and 2018, the premises were extended with the addition of a new school wing including a nursery, a daycare facility, a staff room and a classroom.

[Translate to English:] Neubausiedlung sue&til - Aussenansicht

sue&til (building services)

Winterthur, Switzerland

Start of construction: November 2015

Construction volume (value of our services): 18 M CHF

In the "Neuhegi" district of Oberwinterthur, more than 300 new apartments for rental and ownership are being built using wooden construction methods. The ground floor will also contain public areas filled with commercial spaces.

Pont Rouge Lot B1

Lancy, Switzerland

Start of construction: August 2015

Construction volume (value of our services): 12,5 M CHF

Construction of a complex for SBB Real Estate consisting of three towers of 13 to 15 floors (total area of 47'365 m2 of offices and shops) but also an underground parking of 353 places on 3 levels of basements over the entire surface of the plot.

New construction of the retirement and nursing home Humanitas Niederholz

Riehen, Switzerland

Start of construction: August 2015

Construction volume (value of our services): 4,15 M CHF

Retirement and nursing home on 3 upper floors.

Ceres Tower

Pratteln, Switzerland

Start of construction: August 2015

Construction volume (value of our services): 8,5 M CHF

The high-rise building is a mixed use of office and residential

[Translate to English:] Rheinsfelderstrasse, Eglisau

Renovation on Rheinsfelderstrasse

Eglisau, Switzerland

Start of construction: August 2015

Construction volume (value of our services): 630.000 CHF

The "Rheinsfelder Hof" is a former barn with a distinctive supporting structure and striking roof. Six apartments have been integrated into the building, each combined with contemporary elements and modern comforts.

Zentralstrasse 37– Town Town

Zürich, Switzerland

Start of construction: August 2015

Construction volume (value of our services): 18 M CHF

The 1970s office building has undergone total renovation and conversion creating a residential building with 35 flats, 3 studio flats and 4 commercial units on the ground floor.

[Translate to English:] Villa Boveri

Villa Boveri

Baden, Switzerland

Start of construction: July 2015

Construction volume (value of our services): 310.000 CHF

Preservation work on the historic, 125 year old Villa along with the extension of the top floor staff rooms and installation of a dampening mass in the conference rooms.

Photovoltaic system – Riverside

Zuchwil, Switzerland

Start of construction: July 2015

Construction volume (value of our services): 100.000 CHF

On the Riverside plot in Zuchwil, Tetrag implemented a system solution for energy management and monitoring for one of the largest retrofitted photovoltaic installations in Switzerland.

Zurich, ETH Gloriastrasse

Zurich, Switzerland

Start of construction: June 2015

Construction volume (value of our services): 16,45 M CHF

For construction of the new research and laboratory building GLC in the university district in central Zurich, the existing Hydraulics, Hydrology and Glaciology (VAW) building and the Gloriabar on Gloriastrasse were dismantled. The planned excavation pit is located on a slope that drops away to the south. At its lowest point, the trench in the slope measures around 27 m. Owing to the very limited space between the planned excavation put and the VBZ railway line, a logistics platform is being built over Gloriastrasse before the excavation pit is dug from street level.

St. Gallen, Schuppis new construction

St. Gallen, Switzerland

Start of construction: February 2015

Construction volume (value of our services): 4,5 M CHF

To expand the premises of K+D AG on the Schuppis industrial estate in St. Gallen, an extension featuring a four-level underground parking garage and five above-ground floors was built.

Energy Monitoring System EnMos - Swisscom

Zurich, Switzerland

Start of construction: September 2012

Construction volume (value of our services): 2,2 M CHF

Acting as the total contractor, Tetrag implemented an energy monitoring system for 67 data centres and hubs belonging to Swisscom. This included the concept development, planning, meter installation and system integration.