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D(emountable)办公大楼,荷兰 / cepezed

  • 2020-04-03 10:22
  • 专业分类:无需申请自动送设计




Building D(emountable) is a modern, sustainable and fully demountable structure on the site of a historic, monumental building complex in the center of Dutch city Delft. This site is owned by cepezed, an agency with expertise in the development, the design and the realization of buildings.

▼大楼外观,exterior view ©Lucas van der Wee / cepezed


Lightweight, flexible and gas-free


▼无需申请自动送具有超轻量的特征,a super lightweight structure ©Lucas van der Wee / cepezed

Building D(emountable) has exactly the same footprint as the existing building that was no longer good and was demolished. It measures 11 by 21.5 meters and has four floors of about 200 square meters of lettable floor area each. In addition to being demountable and remountable, the structure is also super lightweight: the use of materials is kept to an absolute minimum. The building is also completely flexible in its arrangement, has no gas connection and is equipped with heat recovery. The ground floor is made of poured concrete, but otherwise, all building components are modular and dry mounted. Supreme simplicity has been an important principle in the design.

▼首层空间,ground floor view


Steel, wood, and glass


▼结构拆解示意,axon exploded ©cepezed

Building part D(emountable) consists of a rationally optimized building kit with a steel, prefabricated and extremely slender main supporting structure. The structural floors and roof are made of lightweight wooden Laminated Veneer Lumber (LVL) elements that are also prefabricated. The ribs of the LVL elements remain fully visible and are part of the building’s aesthetics. The PVC finishing floor is made of partly recycled PVC.

▼灵活布局的室内空间,the building is completely flexible in its arrangement ©Lucas van der Wee / cepezed


The building has no window frames: the double-layer insulating glass is mounted directly on the steel structure. The facade is largely transparent, which makes for strong sightlines and relations between the inner and outer world. Vertical slat strips can be opened for natural ventilation. The down-to-earth, modern building strikingly and interestingly contrasts with the historic existing buildings. This also renders it illustrative for the way cepezed approaches the combination of new and historic construction.

▼双层的中空玻璃被直接安装在钢结构上, the double-layer insulating glass is mounted directly on the steel structure ©Lucas van der Wee / cepezed

▼纵向分布的板条可以开启以实现自然通风,Vertical slat strips can be opened for natural ventilation ©Lucas van der Wee / cepezed




The entire building functions as one large fire compartment. As a result, little material was required for fire-resistant measures; only the stairwell has a fire-resistant partition. All climate control works on air. On each floor, air conditioners that also take care of heating are integrated in the ceiling. In addition, the building is equipped with a heat exchanger. Roller blinds provide sun and light protection.

▼部分封闭的一侧,view towards the partly enclosed facade ©Lucas van der Wee / cepezed

▼一层和二层平面图,ground floor & 1st floor plan ©cepezed

▼剖面图,sections ©cepezed

Technical sheet
Project: building d(emountable)
Project address: Nieuwelaan 72 , Delft, Netherlands Client: Jan Pesman
Project development: cepezedprojects, Delft
Architect: architectenbureau cepezed, Delft
Interior design: cepezedinterieur, Delft
Structural engineering: IMd Raadgevende Ingenieurs, Rotterdam
Consultant mechanical & electrical engineering, consultant building physics, sustainability, acoustics and fire safety Nelissen ingenieursbureau, Eindhoven construction coordination: cepezedbouwteam, Delft Contractor steel construction: Voortman Steel Construction, rijssen
contractor electrical and mechanical installations: Kuijpers Utiliteit Midden-Noord B.V, De Meern
Wood floring: Metsä Wood / De Groot Vroomshoop
Contractor glass facades: iFS Building Systems, Waddinxveen
Contractor roof: Roof Protection, Arkel
Stairs: EeStairs, Barneveld
Contractor ceilings and custom interior walls: Schelp Bouw & Interieur, Eersel
Wall systems: Qbiq, Alphen aan de Rijn
Pantries: AS Projectinrichters, Poeldijk
Project duration: September 2016 – December 2019
Building area / plot area: 968 m² gfa / 242 m² Photography: Lucas van der Wee | cepezed
Drawings: architectenbureau cepezed