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Kei 13
Kei 13
Deventer, Netherlands
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Kei 13
Deventer, Netherlands
The multifunctional building Kei 13 is a key part of the urban renewal currently taking place in the Keizerslanden district. The building will also serve as a bridge, facilitating social integration between Keizerslanden and the future neighbouring district of Steenbrugge. Kei 13 combines social sustainability and flexible use with a healthy indoor climate and energy efficiency.The district amenities centre accommodates two primary schools, a playschool, a day-care centre, after-school childcare, a Youth and Family Centre, a sports club and facilities for fitness training, all under the same roof. Kei 13 offers a single, central location for education, childcare, youth care and sport, supplemented by cultural activities for young people such as a music school and cultural centre.Social sustainability was a major priority throughout the design process – and not only in relation to urban architecture. Several considerations played a key role. For example, what approaches would facilitate and contribute to open cooperation between various users? Moreover, what would it take to design the building in such a way that it can be adapted to changing user preferences and changing users without needing structural renovations?Kei 13 plays a key role in local society, facilitating contact between the surrounding community, the children and their parents. The building can be accessed from all sides, and every user has its own entrance, in addition to the central main entrance. Mutual cooperation and interaction between the various agencies housed in the centre were key factors in the design.Combining different organisations in a single building tends to result in an increase in scale. This trend is directly opposed to the desire to offer children a clearly structured environment for their day-to-day activities. The solution used in this project was to introduce two distinct sections, different both in use and in volume structure: one for children’s activities and one for public sports. The functions for children are situated on the quieter east side close to the extensive outdoor play areas.More public sport facilities are located on the west side, next to the thoroughfare. A spacious central hall connects the two sections. This lobby area offers a place for social interaction, where performances can take place and where people from the local community can come to take part in activities.To emphasise the unity of the centre, the outside of the building is covered in uniform brick cladding, with aluminium window frames that project various distances from the surface of the façade. The depth of the window frames emphasises the relationship between the interior and the outside world. A playful use of colour in the windows contrasts with the more business-like brick of the exterior.Flexibility is a key concept in this project. The diverse rooms and spaces in this complex offer every user a range of options for its activities, naturally coordinating any choices with the other occupants. In addition, the classrooms have been set up in such a way that they can easily and quickly be connected to a spacious common area in the front of the school. This structure makes it possible to expand the educational space, allowing children to work in small groups or individually. A system of open façades and large sliding doors also provides options for classical classroom teaching as needed.One important aspect of the supporting structure is the Bubbledeck floor. Hollow plastic balls are incorporated into the floor, not only using less concrete but also making it possible to construct a thinner floor, significantly reducing its weight (as much as 30-35%). Due to the resulting thinner, lighter floors, the other supporting elements in the building – the walls, columns and foundation – can also be lighter and use less material. Thinner floors also save space. In the Keizerslanden district amenities centre, the building’s systems are also incorporated into the floors, placing them lower in each level of the building than if they were installed under the floors.Besides a more effective use of building materials, considerations also included energy-efficient constructions and a healthy indoor climate. Efficient building systems are key, but maximum efficiency is only achieved when an integrated approach to building design is used: buildings and technical systems working in close harmony, with a key role for the users as well.Users are empowered to influence their own indoor climate. Windows can be opened as users prefer and the integrated floor heating and cooling system can be adjusted separately in each room. Heat reclamation systems store the body heat of the building’s occupants for use in other parts of the building. The floor heating system is also used to cool the building, linking to geothermal heat and cold storage. The ventilation system is CO2-powered.The integrated floor heating and cooling system eliminates the need for radiators and air conditioning. Buildings without radiators and air conditioning have fewer disruptions in the overall airflow and lower concentrations of allergens and fine dust in the air. The distribution of hot and cold air is extremely homogeneous and draught-free. The indoor climate is not only more pleasant, but also healthier. This factor is exceptionally crucial for the development of the many children who are in the building day in and day out.The aim was to create a pleasant environment with simple, user-friendly systems, low operating costs and minimal environmental impact. In a multi-tenant, multifunctional building, the building should reflect everyone’s preferences and needs, while still creating the experience of a single, integrated centre. Kei 13 offers the area more than just educational facilities; it also makes an essential cultural and social contribution to the surrounding community.
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