Civil engineering

We’re building the lifelines of our society. Whether when working on a regionally significant project or a major international contract: We always go the extra mile to deliver pioneering projects. But not only when it comes to infrastructure and road construction. We carry this promise through to all areas of civil engineering. We are passionate about innovation and excel at setting standards by leveraging the synergies of our Group companies and harnessing the potential of digitalisation. Our promise: Transparency, customised solutions and a partnership based on collaboration.
Brücke Rimbach K41 © HABAU

Breaking new ground – the best solutions

HABAU Hoch- und Tiefbaugesellschaft m.b.H.
The favourable positioning of the sites in Quakenbrück and Hanover, right at the heart of the German oil and gas industry, have given PSE an excellent starting position. No challenge is too great for the modern engineering firm, equipped with state-of-the-art technology and supported by the best personnel - particularly in the field of oil, gas, water and underground storage technologies or plant and operating technology. Our operations are focussed in Austria and Germany.
HELD & FRANCKE Bau­gesellschaft mbH
With over 50 years of experience under its belt, HELD & FRANCKE has made a name for itself across all provinces of Austria. Its decentralised operational structure enables the company to implement regionally significant projects as a strong local partner no matter where in the country. These include: Road construction, civil engineering for district heating, cable and gas pipeline construction, sewage treatment plants, elevated tanks, rainwater overflow basins, bridge renovations, ...
HANS HOLZNER Baugesellschaft m.b.H.
With deep roots in south-eastern Bavaria, HANS HOLZNER has been offering an impressive range of services in civil engineering for over 80 years. Where long-term partnerships meet quality and have done so for decades. Redesigning squares, constructing roads and flood protection are numbered amongst the firm’s services along with paving and sewer work.
KARL SEIDL Bau GmbH
If you need a reliable civil engineering company in Vienna, Lower Austria or Burgenland, then KARL SEIDL Bau GmbH is the partner for you. In these areas, the company is known for its road network and wastewater system construction skills together with its maintenance expertise and more. Long-standing customers include, among others, the City of Vienna, Wien Energie, Magenta, Telekom and various municipal departments, who all trust in the tried-and-tested quality of KARL SEIDL.
HABAU Hoch- und Tiefbaugesellschaft m.b.H.
The favourable positioning of the sites in Quakenbrück and Hanover, right at the heart of the German oil and gas industry, have given PSE an excellent starting position. No challenge is too great for the modern engineering firm, equipped with state-of-the-art technology and supported by the best personnel - particularly in the field of oil, gas, water and underground storage technologies or plant and operating technology. Our operations are focussed in Austria and Germany.
HELD & FRANCKE Bau­gesellschaft mbH
With over 50 years of experience under its belt, HELD & FRANCKE has made a name for itself across all provinces of Austria. Its decentralised operational structure enables the company to implement regionally significant projects as a strong local partner no matter where in the country. These include: Road construction, civil engineering for district heating, cable and gas pipeline construction, sewage treatment plants, elevated tanks, rainwater overflow basins, bridge renovations, ...
HANS HOLZNER Baugesellschaft m.b.H.
With deep roots in south-eastern Bavaria, HANS HOLZNER has been offering an impressive range of services in civil engineering for over 80 years. Where long-term partnerships meet quality and have done so for decades. Redesigning squares, constructing roads and flood protection are numbered amongst the firm’s services along with paving and sewer work.
KARL SEIDL Bau GmbH
If you need a reliable civil engineering company in Vienna, Lower Austria or Burgenland, then KARL SEIDL Bau GmbH is the partner for you. In these areas, the company is known for its road network and wastewater system construction skills together with its maintenance expertise and more. Long-standing customers include, among others, the City of Vienna, Wien Energie, Magenta, Telekom and various municipal departments, who all trust in the tried-and-tested quality of KARL SEIDL.
Autobahnkreuz
A9 Autobahn - Asphaltierungsarbeiten
Tiefbau 2
Tiefbau - Erdaushub
Civil engineering

Havelland Motorway – A10/A24

With a volume of 1.4 billion euros, the expansion of the A10 and the general renovation of the A24 near Berlin is our largest civil engineering project. It includes expanding the motorway to six lanes, repairing large sections of road, demolishing and constructing bridges, nine interchanges, five parking and toilet facilities, noise barriers and much more.
Civil engineering

West Rosenheim bypass

11.5 kilometres of bypass and a 670-metre-long bridge: The HABAU GROUP companies HABAU and MCE were commissioned by the Rosenheim State Building Authority to deliver this sizeable and demanding project. An innovative solution involving supporting piles anchored 45 metres deep into the ground was called for due to the special ground composition of the clay sediment in the lake.
Civil engineering

Vienna Schwechat airport runway 11/29

With flight operations underway, HELD & FRANCKE succeeded in renovating runway 11/29 in only six weeks. More than 210,000 square metres of surface area were given a complete facelift. This entailed milling 95,000 tonnes of asphalt and applying a new layer. Every night, 200 people and 150 pieces of equipment were out working, with almost twice that number at weekends.
Civil engineering

U4 Pilgramgasse station

Not much room, not much time and ample consideration for monument protection: The renovation of the U4 Pilgramgasse station in Vienna was a high-precision undertaking. While works were underway, we took great care to manage traffic effectively, allowing us to ensure everything ran according to plan. No less than 2,910 m DN 120 bored piles, 482,850 kg of reinforcement materials and 2,600 m3 of concrete were installed
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