Sports hall Bredius Gooise Meren

Text: Lieke van zuilekom I Visuals: Isolectra

100% sustainable, reusable and pluggable
The municipality of Gooise Meren has introduced various initiatives to meet its residential development needs and create an attractive and sustainable urban environment for its residents. Besides De Krijgsman, with circa 1,300 residences and 28,500 m2 of facilities, the Brediusterrein is being developed a little ways down the road. Ninety affordable and circular wooden residences will be built at this location, as well as four sports fields and a practice field. Additionally, a new sports hall with a surface area of 3,300 m2 was completed here in late January. The sports hall was designed and built in an optimally circular manner and meets the latest BENG requirements. This makes the sports hall a prime example of sustainability.

Rots Bouw realised the circular sports hall on behalf of the municipality of Gooise Meren. Breman Utiliteit Zwolle was responsible for the mechanical and electrotechnical installations and the relevant control technology. “Sports hall Bredius Gooise Meren was built in accordance with a UAV-GC agreement. As part of a development team together with Rots Bouw and Lichtstad Architecten and on the basis of the design brief, we created the design for all building-related installations,” says Arjen Langendijk, project leader at Breman Utiliteit Zwolle. “Another critical document, drawn up by Rendemint, outlined the preliminary conditions with regard to circularity. As much as possible, the building had to be designed to be dismountable, detachable and reusable. From the steel construction to the floors and interior walls, where the use of toxic substances (PVC, PUR and adhesives) had to be avoided whenever possible. Likewise, the installations had to conform to this circular ambition. We therefore opted for pluggable installation whenever possible. Both in the sports hall itself and in the first-aid room, the administrators’ room, the instructors’ room, the meeting room, the hospitality area and the storage areas.” The sports hall offers facilities for both indoor and outdoor sports clubs. Additionally, the hall is used to facilitate physical education at primary schools in Muiden. 

100% pluggable
“During the preparatory phase, we carefully examined the possibilities with regard to 100% pluggable installation,” Langendijk explains. “Would it be possible to make all installations up to 25 amperes pluggable? What about long(er) distances? As an organisation, we are accustomed to using pluggable designs for things like office spaces. However, this sports hall, where distances of up to sixty metres had to be covered and where the circuits were different, required specific knowledge. Isolectra was able to provide that knowledge. We often collaborate with them on pluggable projects.”

“Based on the installation designs created by Breman Utiliteit Zwolle and the design brief from the municipality of Gooise Meren, we created and discussed a proposal for the pluggable systems,” says Yannick Boertje, Key Account Manager at Isolectra. “This resulted in a 100% pluggable installation, from the ABB junction boxes to the wall outlets, light fixtures and the daylight and motion sensors.” Langendijk: “What sets this project apart from other non-residential construction projects is that even the power groups are pluggable. The ABB junction boxes were equipped with Wieland GST18^® connection cables by the manufacturer, EDS-Systems. From there, we were able to complete the installations easily and quickly.” All pluggable technology was supplied by wholesaler Technische Unie.

100% removeable and reusable
“By opting for 100% pluggable installation, all installations up to 25 amperes are also 100% removeable,” Boertje emphasises. “It is easy to make any necessary modifications, which significantly extends the lifespan of the installations. At the end of the building's life cycle, the pluggable technology can easily be disassembled and reused elsewhere.” Pluggable installation helps to prevent material loss and waste at the construction site, he says. “All materials that are delivered to the construction site are actually used. In this manner, we make an important contribution to the sustainability of buildings, the efforts to close the material loop and the national government's objective of significantly lowering the environmental impact of buildings.”

Dutch Environmental Database
In late January, Isolectra submitted the environmental data of its pluggable installations to the Dutch Environmental Database (NMD). Architects, consultants, installation technicians and other stakeholders that prescribe Wieland's GST15^®, GST18^®, RST16^®, RST20^® and RST25^® pluggable installation systems and use them in their projects can use these data to make accurate product comparisons and to calculate and even improve the sustainability and environmental performances of their buildings. 

The purpose of the Dutch Environmental Database is to provide clear insight into the environmental performances and circularity of buildings. The method is based on the life-cycle assessment (LCA) of a construction product, i.e. its total environmental impact from raw material to production and from demolition to recycling. “We recently completed the LCA study,” says Boertje. “Over the course of circa two years, the environmental impact of our pluggable products was assessed. Among other factors, the use of raw materials, energy consumption, waste streams and the release of toxic substances were quantified and verified by an independent and qualified LCA expert, before the products could be included in the Dutch Environmental Database with category 1 product sheets. This gives architecture, consultants, installation technicians and other stakeholders access to the most detailed product information, which they can use to select the construction products with the lowest environmental impact.”

Project details:
Client: Municipality of Gooise Meren
Architect: Lichtstad Architecten
Contractor: Rots Bouw
Installation: Breman Utiliteit Zwolle
Pluggable technology: Isolectra
Materials passport: Rendemint

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