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The office property Sveavägen 44, known to many as the Skandia building or Thule building (Skandiahuset or Thulehuset), is located in the heart of Stockholm. Skanska has been contracted by Diligentia to convert the 70-year-old building into a modern and flexible meeting point with the environment and sustainability in focus.
It is a complicated project requiring major demolition as well as expansion and renovation work. We will strengthen the foundation of the property, add two new floors, renew the façade with a modern influence and build a striking roof terrace featuring vegetation and walkways on the new roof. Furthermore, we will modernize and open up the entrance floor to strengthen the connection between the operations in the building and the city life outside. The entrance level will have a uniform layout and can be filled with new, exciting stores.
The courtyard will be rebuilt to make room for new office space. Three large light wells will be constructed that will allow daylight to flood in and create a pleasant and varied work environment.
The project, which will be completed in 2014, will be given a green stamp and our goal is to achieve an Excellent grade under the BREEAM environmental rating system.
The property, which many in Sweden refer to as the Thule building or Skandia building (Thulehuset or Skandiahuset) was constructed between 1938 and 1942 by the Thule insurance company and was designed by architect Gustaf Clason. At the time, rationality and efficiency were the guiding principles and the office building was one of the most efficient in Sweden. More than 1,000 office staff sat in long lines and put post on a conveyer belt that ran in parallel with the property’s windows between the various departments. In 1963, Thule was merged with Skandia, which used the building until 2010.
Patrik WiikSkanska Sweden+46 10 44 81 585
Mejl Patrik Wiik
Verksamhetsgren: Commercial development, Construction
Marknadssegment: Offices, Conference facilities
Converting an older property into an energy-efficient office building presents a challenge. We have set the bar high and our target for Sveavägen 44 is to achieve an Excellent grade under the BREEAM international environmental rating system. The system measures and awards points to the building’s environmental performance in a number of areas including project management, energy use, indoor climate, water consumption, waste management and impact of the immediate environment. The property’s energy consumption will be reduced by a total of 25 percent from the current level.
The indoor climate and work environment comprise important focus areas as the property’s new configuration now takes shape. The well-being of those who work in the property is a priority.
The property will be highly automated and, to ensure energy efficiency, we will install energy storage installations, heat pumps solar collectors. We will also install a VAV (variable air volume) system for ventilation of the building. This creates considerable flexibility as it does not require any adaptation of the ventilation in connection with remodeling or rearrangement of office spaces.
We believe that the new roof terrace will be a meeting place that will be highly popular among many office tenants. It will be an area of flourishing vegetation and intertwining walkways. The plants will be carefully selected and are in turn expected to attract insects that will contribute to Stockholm’s biological diversity.
As part of the expansion and renovation work, our customer Diligentia has been instructed by the City of Stockholm to build sixty new apartments in the property block to create variation in the area during daytime and evening time.
Skanska has been commissioned to carry out an expansion and renovation project at Sveavägen 44 in Stockholm. The contract is a partnership agreement with the customer Diligentia. For many, Sveavägen 44 is known as the Skandia building or Thule building and is situated in central Stockholm between the streets of Sveavägen-Luntmakargatan and Tunnelgatan-Adolf Fredriks kyrkogata.
In total, the assignment comprises 53,400 square meters, of which 23,900 square meters represents newly constructed space and 29,500 square meters renovated space. When the property is completed, it will provide a welcoming and modern impression at the same time as we will endeavor to retain its original architectural appearance.
A construction project of this scope in the middle of the city presents a major challenge. We have therefore chosen to devote considerable time and resources to planning and preparatory work. We have also prepared a “Plan of construction site disposition” to optimise the flow in the worksite. We have received permission from the City of Stockholm to establish a loading area on Sveavägen to enable efficient transportation with consideration to third parties.
In October 2011, we commenced demolition of the building constructed in the 1980s on the corner of Luntmakargatan-Adolf Fredriks Kyrkogata as well as two stories of the Thule building facing onto Luntmakargatan-Tunnelgatan. Hydraulic shears are mainly used to carry out the demolition work, although hydraulic breakers were required for certain areas.
In addition to demolishing the upper floors of the Thule building, we also tore down all of the building’s interior and removed the old clinker slabs on the building’s façade. The front facing Sveavägen will subsequently be fitted with extra insulation and be faced with new clinker slabs, quite similar to those on the original façade.
We will demolish the façade facing the courtyard to enable the construction of new office environments. To ensure that the property does not collapse when demolishing the façade, we will erect temporary steel pillars to support the construction until the new framework is in place. The temporary steel, pillars and beams weigh a total of approximately 350 tons.
In what is currently the courtyard, we will excavate a new basement level that will be located under the two existing basement levels. The new basement, comprising some 700 square meters, will be used as a fan room. When we have completed the excavation work and the demolition of the inner façade, the courtyards will be built over to create new office solutions. We will also build three light wells that will extend from the roof of the property down nine stories to the entrance level. A magnificent roof terrace will subsequently be established featuring lush vegetation and walkways for tenants.
Building in the middle of central Stockholm is a challenge and the security of the project is highly prioritized. In addition to applying the “General Conduct and Safety Regulations at Skanska Worksites in Sweden”, covering such aspects as safety equipment, waste management and electrical safety, we conduct safety rounds each week in which we review procedures and safety. Security guards are posted at all entrances to ensure that no unauthorized persons enter the work site and instruct and organize transportation at the site so that no other traffic is affected.