The new office building of SoZaWe (a Dutch acronym for the Welfare Department and Work Agency of the City of Groningen in the Netherlands) is a fully transparent and sustainable building. The Sustainability and Green ambitions of the municipality of Groningen, have been integral to the procurement and design of the building. The Board of Mayors and Aldermen agreed upon the Final Design of the basic structure and requirements in September 2011.
The tender for construction and long-term maintenance (20 years) was awarded to â€˜BAM Utiliteitsbouw BV region Noord’. Due to the EBM construction, both the further construction as well as its maintenance after completion are in the hands of the same actor. By doing so the attention of the contractor shifts from the short term to the long term, resulting in lower maintenance and management costs in the future.
Type: Public institution, new build
Size: 17.000 m2
Year of realisation: 2013
- EPC value of 0.48
- Green roof
- Natural indoor climate
Construction and long-term maintenance: BAM Utiliteitsbouw BV region Noord
The building (17.000 m2) has received a green roof, a well-insulated shell and triple glazing facades (resulting in an EPC value of 0.48). Extra energy and daylight are received through the glass roof, which also included solar panels. Using a Heat & Cold Storage system (HCS), the residual heat can be stored in the soil and re-used for space-heating during the winter. The building is all electric (no gas is used) and is made more energy-efficient with efficient ventilation systems and lighting.
- The project can be a good example for future offices to be built.
- The real development question lies in transforming the existing building stock. The Netherlands has a lot of empty office buildings. Some of these offices are transformed into apartment blocks to avoid impoverishment of the building and surroundings.