About

The new administrative headquarters of the Brussels city services are an inviting and transparent building in a central location in the capital. A rooftop patio and restaurant on the top floor offer the people of Brussels a wonderful view of their city.

Challenge

The diverse functions on the various floors are a structural challenge. The City of Brussels also wanted a passive building as new accommodation. Parking 58 was demolished for this project – and the lost parking spaces in the middle of the city had to be compensated for.

Solution

A complex support structure with multiple cores stacks the various functions atop each other. Three additional floors were excavated for additional parking, with silt walls as a structural solution. Photovoltaic panels and free cooling increase the energy efficiency.

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Client(s)

  • AG Real Estate

Architect(s)

  • B2AI
  • Bruno Albert Architecte & Associés
  • Pierre Lallemand

Certificate(s)

  • BREEAM Very Good

Location

Brussels, Belgium

Timeline

2015

2022

Expertise Team(s)

  • Digital Engineering

  • Fire Safety Engineering

  • M&E Engineering

  • Structural Engineering

  • Sustainable Design

  • View more...

Design Solution(en)

  • Feasibility Study

  • Sustainability Assessment

  • Building Simulations

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Serge brison office brucity brussel 20230419 1 27

The sustainable design consists, amongst others, of 800 sqm photovoltaic panels and also applies the free cooling-principle, besides high performance climate ceilings.

Didier De Splenter

project manager buildings, VK architects+engineers

In the centre of Brussels, nearby the Brouckère square, Parking 58 is replaced by Brucity, the new working place for the administrative services of the City of Brussels. By 2021, 1500 employees of the City of Brussels will move in here. Parking 58, a remainder of the world expo from 1958 and legendary for the panoramic view it offers from the roof, first was demolished.

The project was awarded to AG Real Estate after a public tender. The architecture was designed by Bruno Albert, Buro II & Archi + I and Pierre Lallemand. VK architects+engineers designs the studies for structural engineering, M&E engineering, fire safety engineering, energy reporting and sustainable design.

The project will mainly house offices on 37,000 sqm over 9 completely glazed floors. The upper floor will contain a restaurant and roof garden. The infrastructure provides 559 parking spaces, 450 of which are for public use.

The building has a relatively complex bearing structure due to its diverse functions – parking on levels –4 up to –1, public space on 0, offices from +1 up to +6, technical floor on +7, council room on +8 and a roof terrace. Which leads to many various cores to be included. The construction of four underground floors, where today there is only one, is quite challenging. Diaphragm walls will be constructed from the inside of the present level –1.

The sustainable design consists, amongst others, of 800 sqm photovoltaic panels. The project will also apply the free cooling-principle, besides high performance climate ceilings. The ventilation concept system D will function with a high return of energy recuperation. The ambition lies at a BREEAM "Very Good" certificate.

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