Eurotubi Pressfittings for the HVAC systems in the new bus terminal in Bratislava, Slovakiariannelli
It is much more than just an interchange hub capable of handling 10,000 passengers and over 1,100 buses daily. This futuristic new complex, which opened in 2021 and is located in the centre of the capital, also includes a large shopping centre and one of the tallest buildings in the city. Over 4,000 metres of piping and stainless steel Eurotubi Pressfittings were used to build the plumbing and heating systems.
Eurotubi Pressfitting installation case study specifications
Facility in which the system was created: “Nivy Bus Terminal”, Bratislava – Slovakia.
Type of Eurotubi Pressfitting systems used:
- “M” profile pipes and fittings in AISI 316L stainless steel for the heating and air conditioning systems.
Amount of pressfittings and pipes used:
- 2,500 Eurotubi “M” profile pressfittings in AISI 316L stainless steel with diameter Ø from 18 to 108 mm;
- 4,000 metres of AISI 304L stainless steel piping with diameters Ø from 18 to 108 mm.
Period during which the system was built: October 2020
Customer: HB Reavis
Distributor: IVAR CS
Architectural Design by: Siebert+Talaš
Major problems resolved through the use of Eurotubi pressfittings:
- Compliance with the high aesthetic standards required by the type of architectural project through the shiny finish of the stainless steel and the absence of aesthetic imperfections caused by torch welding;
- Creation and delivery of the complete system in an extremely short time frame;
- System quality and aesthetics guaranteed over time.
It is not just a bus terminal; it is also an inclusive structure designed around the needs of the citizens
Building design and construction are becoming increasingly inclusive in order to make people more and more at the centre of their environments, increasing their comfort, facilitating socialisation, and simplifying their everyday life.
This is the trend in which we find the new Mlynské Nivy complex in Bratislava. A new building has risen from the ashes of the old bus terminal, and it aims to be one of the main hubs in the city. In fact, it includes the new bus station, a large shopping centre with 200 shops and a 125-metre high residential and executive tower – one of the tallest buildings in the city. Last but not least, the facility has a large parking area with 2,000 spots, where people can leave their cars and take one of the 1,100 buses that leave daily.
Not enough? On the roof of the building, there is a fantastic 12,000 square metre green park with 130 trees, a jogging track, sports equipment, picnic area, children’s games, and much more.
Mlynské Nivy, an avant-garde bus terminal
Facilitating and encouraging the use of public transport in a region where almost 75% of inhabitants prefer to use their own means of transport is the primary purpose of this facility, which was created on the site of the city’s old and obsolete terminal.
The planner’s response was decidedly keen, creating a structure of over 100,000 square metres. Just think of the numbers relating to the bus terminal. There are 7 bus exit gates, 36 transit platforms, 11 for international and domestic long-distance departure and the remaining 25 for intercity connections. Mlynské Nivy is a bus terminal that can undoubtedly be taken as an example of one of the best in Europe.
Combining the need for international and domestic partners along with city lines was not an easy task. The surface area of the bus terminal alone is 30,000 square metres. We are talking about a genuine airport-type terminal. Currently, almost 10,000 passengers and 1,100 buses pass through daily, but its capacity could exceed five times these numbers.
Planning and creating the HVAC system for such a large structure as this terminal must take into account the fact that it is not entirely closable but is largely exposed to outdoor air currents. This characteristic, along with the considerable number of square metres to be served, made it necessary to count on the best technology and materials currently available on the market, such as stainless steel pressfittings and pipes.
The advantages of stainless steel pressfittings in large climate control systems
The stainless steel pressfitting system combines the quality of the material with the top technical features of the press fittings, such as the speed in building the systems, the absence of open flames, and the reduced weight of the pipes compared to other materials used in plumbing and heating systems.
Also, stainless steel is among the most durable material used for building plumbing and heating system piping, thanks to its chemical properties and resistance to corrosion and impacts.
In systems not dedicated to drinking and sanitary water, where compliance with DVGW specifications is not required, Eurotubi AISI 316L stainless steel pressfittings may be used along with 304L steel pressfitting pipes, provided that the latter have the exact technical characteristics indicated by Eurotubi Europa. Choosing 304L pipes may significantly lower prices in proportion to the size of the project.
For many aspects, this 316L fittings and 304L pipes solution for creating heating and cooling systems is preferable to carbon steel, especially in major and prestigious projects where duration, appearance, and resistance to intense work cycles are essential.
The architectural choices made when planning Mlynské Nivy: maintain the beauty of the visible raw materials
The Nivy bus terminal is the first project of its kind in Europe. Located in the centre of a strategic district, this complex can contribute to the capital’s vibrant atmosphere.
For this important building, many of the construction materials were kept visible. In this manner, the cement, glass windows, and steel can fully convey their “beauty” as “raw” materials.
This is another reason why the choice of stainless steel pressfittings and pipes was the most appropriate. In fact, only this type of piping can keep its lustre and beauty over time without the imperfections of torch welding.
This building is not just a mobility infrastructure; it is also genuinely dedicated to the city, where people are enticed to come, not only when they need to travel but also to fully experience the metropolis itself, to go shopping and to connect with other people: “Nivy Station” is only the cornerstone of a renovated neighbourhood where many other new and futuristic buildings are rising.
Integrated engineering and architectural design with the BIM
Designing a building and its systems could certainly become complicated, especially if, as in the case of Mlynské Nivy, it is a group of buildings by different design studios.
For this reason as well, the design of all parts of the complex was created using BIM (Building Information Modeling). Using this integrated design method, all designers can visualise the entirety of the systems that have been designed, even by other design studios. In this way, the operation of all systems can be simulated from the design phase onwards to see if any interference could occur between them and, finally, to optimise the operation of the building by making any adjustments that could affect several types of services.
Mlynské Nivy: systems and buildings certified for environmental sustainability
The Mlynské Nivy building complex is more than just a building with an avant-garde design and system technology choices. It has, in fact, received two environmental certifications. The first is the WELL Building Standard Certification related to the construction priorities used to ensure the occupants’ health and safety.
The second environmental certification, called BREEAM, involves a building environmental assessment. The result obtained was classified as Excellent and provided for the allocation of different scores based on the green choices made in the design. Some of these are:
- The environmental impact of the materials used;
- the balanced use of energy and the conservation of potable water;
- the amount of pollution created;
- the reuse of construction materials and waste management.
A BREEAM-certified building, besides being naturally more sustainable, is also more economical to manage, thanks to the resulting energy savings.
Some of the waste materials from the demolition of the old terminal were reused in the construction of the new buildings, such as the old concrete from the bus platforms that was reused for the new walkways on the roof of the building.
Many architectural and system solutions make the Mlynské Nivy complex an example from which to take inspiration for future building projects: the quality of the materials, the versatility in the use of the areas, the way the various buildings interact, and, last but not least, the aesthetic merits of the stylistic choices made.
The aesthetic qualities of steel pressfittings combine perfectly with the aesthetic requirements for this project, i.e., the essentiality and “raw” beauty of the construction materials, left visible and able to fully enhance their own “raw” characteristics.