Renewal-Zone：卢森堡邮政电信总部︱尊重建筑遗产，融合打造净零碳建筑
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卢森堡邮政电信公司总部坐落于该国繁华的Gare区的中心位置，俯瞰着川流不息的Place de la Gare路口和城市的中央交通枢纽。这座净建筑面积为27700平方米总部办公楼，毗邻被列入遗产保护名录的历史街区，将容纳850名员工，成为该国员工规模最大的企业的新地标。作为多功能用户友好设计的设施，建筑将公司活动和职能集中在一处，旨在激发员工实现更多创新性连接。
© Steve Troes
该建筑横跨城市最繁忙的道路之一的Place de la Gare，正位于该国跨境通勤路线的交汇点，成为高密度城市街区中占据过往行人车辆视野的重要景象。
© Steve Troes
立面采用了垂直的石板条元素，与街道产生互动，激发外部空间活力。深度的变化起伏富有韵律感，让建筑生动有趣。虽然体量惊人，但建筑趣味的渗透性展现出开放性，模糊了巨大的体积，融合成为周围城市结构的一部分。
“这座建筑是该地区形象转变的标志之一。”
——卢森堡市市长 Lydie Polfer
建筑的结构布局致力于促进不同部门间的顺畅沟通。因此，设计实现了开放、水平化的层次结构，以一个巨大开放式的通高中庭将周围的各个部门连接起来。
“空间布局概念并非将等级置于员工之上，而是成为整个系统的核心。”
——卢森堡邮政电信公司 总经理 Claude Strasser
© Steve Troes
中庭的螺旋楼梯成为连接所有楼层的通道，同时为所有员工提供了连接和汇集点。这一区将休息区、游戏室到健身区等一系列特色功能融合于此，人们可以在此聚集交流。
人们可以在不同的公共区域碰面、工作、交流想法、烹饪、休息或是运动，有助于提升员工的整体福祉。
© Steve Troes
Accinauto大楼坐落在场地北端，是一座建于20世纪50年代的8层古典建筑，已被列入遗产保护名录。作为卢森堡工业历史的见证，建筑的立面及屋顶斜坡被保留下来，并与新建筑相融合。这一巨大的工程通过近700吨的地基加固得以实现。
© Steve Troes
为了将既有保护建筑与新总部大楼无缝整合，原有的斜屋顶延伸变换为与其水平长度一致的垂直立面。这种屋顶形式的旋转折叠柔化了新建筑巨大的石材边界，并与相邻立面协调和融合。
© Steve Troes
虽然建筑处于交通繁忙的噪音环境和高密度的城市交通体系之中，但其内部却拥有一座静谧的花园居心地和供850名员工放松的铺砌空间。打造办公室和走廊以外的区域，是以用户的健康舒适度为主旨的设计理念。庭院与小型的城市自然空间的结合，让人们得以从紧邻的繁忙景象中逃离喘息，重获轻松与活力。
© Steve Troes
POST HQ致力于通过Deutsche Gesellschaft fur Nachhaltiges Bauen（DGNB）白金认证这一最高级别的环境认证。因此设计必须严格遵守环境友好的建设标准，具体包括使用活性瓷砖集成空调、降水回收、自动化照明管理和使用天然材料。
© Steve Troes
建筑没有设置空调和供暖锅炉，而是通过巨大的冰容器（2133 立方米）和后方卢森堡邮政电信中心的热回收系统来实现冷热调节，同时配备了太阳能电池板、雨水收集器和节能高性能玻璃。
© Steve Troes
© Metaform
“最终，我们将拥有一座 28000 平方米的无直接碳排放建筑。”
——卢森堡邮政总经理 Claude Strasser
© Metaform
Luxembourg's POST Headquarters is located in the heart of the country's bustling Gare district, overlooking the frenetic crossroads of Place de la Gare, and the city's central transport hub. Adjoining an existing heritage-listed block, the 27 700 ㎡ net floor area office HQ will house 850 employees and act as a new landmark for the country's largest employer. It has been designed as a versatile user-friendly facility that brings together the company's activities and functions under one roof to motivate employees and enable more creative connections.
© Metaform
© Metaform
The building straddles Place de la Gare – one of the city's busiest roads – at the intersection of the country's international commuter traffic. Framed within a dense urban block, it is predominantly perceived laterally by vehicles and pedestrians traversing past.
© Metaform
To animate the exterior and interact with the street, vertical slatted-stone elements were used to activate the facade. Their varied depth creates an undulating rhythm that brings the building to life. While the building maintains a striking monumental mass, its playful permeability belies an openness that transforms its volume. It merges into a single unified form that becomes an integrated part of the surrounding city fabric.
© Steve Troes
© Steve Troes
“This building is one of the stones which will mark the change of image of the district.”
Lydie Polfer, Mayor, City of Luxembourg
POST Luxembourg has an organizational structure that is built on clear communication between its different sectors. As a result, its HQ was designed to facilitate an open horizontal hierarchy that connects each department around a vast open atrium that spans the height of its interior.
“The idea in the layout of the spaces was not to place the hierarchy at the top of all the staff, but rather at the heart of the system.”
Claude Strasser, Managing Director, POST Luxembourg
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This central void hosts a spiral staircase that becomes a conduit for connections between the floors while also providing a link and an anchor for all the employees. This zone is encased by a dedicated series of functions, from lounges and game rooms to wellness and fitness areas that allow users to congregate and communicate around a central atrium.
© Steve Troes
Different common areas where people can meet, work together, exchange ideas, cook, relax, and do sports contribute to the overall well-being of employees.
© Steve Troes
Nestled into the site's northern corner is the Accinauto building – an eight-story heritage-listed vestige of 1950s classic architecture. As a protected emblem of Luxembourg's industrial past, its facade has been preserved and integrated into the new building along with the projection of its roof pitches. This colossal feat was achieved by reinforcing nearly 700 tonnes of foundations.
© Metaform
To create a seamless integration between the existing listed building and the new HQ, the original pitched roof was extruded and morphed into a vertical facade along its parallel length. This rotational folding of the roof form softens the monumental stone edge of the new construction but also merges with the alignment of the adjacent neighboring facades.
© Steve Troes
While the building is surrounded by a dense urban fabric of traffic, noise, and transport, its interior harbors a tranquil sanctuary of gardens and paved spaces for its 850 employees to unwind. A key design initiative was to create zones, other than offices and corridors, for the wellness of its users. A combination of courtyards with small areas of urban nature offers respite from the immediate busy infrastructural landscapes and a chance to recharge and relax.
© Steve Troes
POST HQ had a goal to achieve Deutsche Gesellschaft fur Nachhaltiges Bauen (DGNB) platinum certification, which is one of the highest levels of environmental accreditation available. To meet these requirements, its design had to respect strict ecological construction criteria including the integration of air conditioning via active tiles, rainwater recovery, automated lighting management, and the use of natural materials.
© Steve Troes
To manage both cold and heat, the building has neither air conditioning nor a boiler. Instead, it features a giant ice container (2,133 m³) and a heat recovery system from the POST Luxembourg telecommunication center, is located behind the construction. The building is also be equipped with solar panels, rainwater collectors, and energy-efficient high-performance glazing.
“In the end, we will have a building without direct carbon emissions for 28,000 ㎡.”
Claude Strasser, Managing Director, POST Luxembourg
© Steve Troes
© Metaform
© Metaform
© Metaform
Architects and general planners: Metaform architects
Metaform Team: GG Kirchner (Project Manager), Jarrid Engel, Matthieu Ristic, Sven Khal, Jackie Ley, Phillip Barnard, Iulian Mosu, Ljiljana Vidovic, Lena Niebelschuetz.
MEP engineers: Goblet & Lavandier
Building engineers: INCA, Ney & Partners
Acoustic Engineers: INCA
DGNB consultants: E3 consult
Monument Protection / Restration: Dr. Thomas Lugten
Fire Protection expert: Dr. Peter Borgs
Scenographers:Jangled Nerves
Others:
Metall Art (Staircase), CBL (Structure), Annen (Façade),
Hubert Schmitt (Interior), AP Kieffer (ventilation engineer), Solelec (Electricity), Bene,
Vitra, Arper (Interior).
Beginning of demolition: September 2017
Beginning of construction: September 2019
Delivery date: March 2023
Typology: Office Building
Capacity: 850 employees
Gross Floor Area: 29 825 ㎡
Mission: Complete architect service
Construction costs: 109 M€ (excl.HTVA)
Client: POST Luxembourg
Metaform Project Manager: GG Kirchner
Metaform Team: Jarrid Engel, Sven Khal, Jackie Ley, Phillip Barnard, Iulian Mosu,
Matthieu Ristic, Ljiljana Vidovic, Lena Niebelschuetz.
Team: T6 - Ney & Partners and INCA (Structural engineers), Goblet Lavandier &
Associes (MEP engineers), INCA (Acoustic Engineers), E3 consult (DGNB consultants),
Dr. Thomas Lutgen (Monument protection/Restoration), Dr. Peter Borgs (Fire
protection expert), Jangled Nerves (Scenographers)
Contractors/suppliers/ff&e: MetallArt (Staircase), CBL (Structure), Annen (Facade),
Hubert Schmitt (Interior), AP Kieffer (ventilation engineer), Solelec (Electricity), Bene,
Vitra, Arper (Interior).
/ Sustainability /
- Energy efficiency class A
- Thermal insulation class A
- Certified DGNB Platinum
- Energy consumption: 118.9 kWh/㎡/year
/ Awards /
- 1st Prize in a 3-phase competition
- Shortlisted at MIPIM awards 2023
/ Certifications /
DGNB Platinum certification
· END ·
