2 June 2020

Tyréns is involved in creating the world's first climate-neutral grocery store

The Lidl store in Visby is the first building with double sustainability certification according to both BREEAM-SE and NollCO2. Tyréns has contributed expertise in plumbing, electricity, telecommunications, solar systems and acoustics in this world-unique construction.

The construction of the Lidl store in Visby has been a pilot project for Sweden Green Building Council's new certification NollCO2. The store will be the first to reach the certification and also the first in the world with the rating Excellent in BREEAM-SE 2017. The new version of BREEAM-SE puts more focus on climate adaptation and includes more building types and rewards innovations to a greater extent than before. 

Tyréns has designed the store's systems for plumbing, cooling, control and monitoring. All waste heat from the cooling system is optimized and reused and the small amount of energy consumed is only used for cooling.  

Tyréns has also designed systems for electricity, telecommunications and solar cells. Optimization and design of the solar systems’ scale was made to minimize piping and load on the roof.

To create good acoustics between public retail space and warehouses, Tyrén's acoustics experts have developed sound requirements drawings and advised the architects.

"Both Tyréns and Lidl are at the forefront of sustainability, so we have learned a lot from each other and have had fun during work. I am pleased that we have continued to have the confidence to work with Link to produce tender documents for a new regular store in Täby,” explains a proud Jan Berglund, head of plumbing at Tyréns.

The store in Visby is expected to open at the end of June 2020.

With the new store concept, carbon dioxide emissions are reduced by almost two thirds. A regular Lidl store emits 600/CO2 per m² while the more modern store emits only 380/CO2 per m². Lidl in Visby is almost 100 percent timber-built. Wood is renewable, environmentally friendly and binds carbon dioxide which purifies the ambient air.

The foundations have a major impact on carbon dioxide. After much analysis, the end result was a 120 mm thin extra reinforced concrete slab that is specially painted and also serves as the inner floor.

The building has living plants as a roof covering, known as sedum roofs, which reduces the cost of heating and creates a better indoor climate in summer. The sedum roof also contributes to air purification and promotes biodiversity.

The choice of suppliers is included as an important sustainability parameter, where you also review how materials are handled during the manufacturing process and their transport to the construction site.