Herzog & de Meuron
Project
2018 – 2025

510_CP_260429_MME_F7567_WEB

510_CP_260429_MME_F7567_WEB

510_CP_260429_MME_A2619_WEB

510_CP_260429_MME_A2619_WEB

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Process

Mailand-Strasse is located in Basel’s Dreispitz, a transformation area that was the subject of “Vision Dreispitz” (2003) which studied the city’s southward expansion. The neighborhood is distinctive due to its history as a logistical and industrial zone. In such environments, purely functional requirements often give rise to unexpectedly expressive architecture: towers, ramps, gantries, loading structures, and large infrastructural forms. Their directness and pragmatism create a powerful visual language.

510_SI_250411_Site-Comp-Big

510_SI_250411_Site-Comp-Big

510_SI_250625_Site-Comp

510_SI_250625_Site-Comp

510_REP-4_250625_Site-Panorama-Comp

510_REP-4_250625_Site-Panorama-Comp

510_SI_181013_017

510_SI_181013_017

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510_SI_181013_034

The project begins with the morphology of the site. Rail tracks once extended into the neighborhood, and their orientation shaped the linear geometry of the urban grid. Strong regulations define the allowable building envelope on the site, and our initial approach was to maximize the building form within those constraints.

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510_SI_1809_OVERVIEW-SITE

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510_SI_250625_Location

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510_DG_250625_Building-Regulations

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510_MO_1902_206

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510_AN_1902_FAST

From there, the project centered on a broad question: how can a contemporary vertical office building recreate the qualities of an organically evolved campus? The project drew on the spatial diversity of our long-established St. Johann campus across the city. While St. Johann grew over decades through the agglomeration of different building types, Mailand-Strasse achieves a similar richness in a single volume through varied spatial conditions articulated in plan and section.

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905_DG_1502_Campus_axo

510_DG_250625_A-Vertical-Campus

510_DG_250625_A-Vertical-Campus

The goal was to create a rational, simple, and sustainable building with a clear architectural identity. It is characterized by a pragmatic structure that nonetheless possesses a distinctive and expressive character. Massive timber members form the majority of the structure; the use of concrete is limited to the foundations, seismic walls and slabs, and cores.

510_DG_250625_Core-Layout-Study

510_DG_250625_Core-Layout-Study

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510_MO_250625_Models-Plexi

510_DG_250625_Element-Breakdown

510_DG_250625_Element-Breakdown

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510_MO_210310_13_Modelfoto_Streetview_Rueckseite

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510_MO_2211_005_Modell_50

The clear delineation between elements is expressed beyond the primary structure. Glazing modules, insulation, weatherproofing, photovoltaics, and other components are conceived as layers applied to the timber frame. Remaining visually distinct, each is designed to be independently disassembled and replaced. The project is defined by this accumulation of layers working in concert.

510_DG_250625_Envelope-Study

510_DG_250625_Envelope-Study

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510_REP-4_HdM_250625_Plansatz_A4_38

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510_REP-4_250625_Design-for-Disassembly

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510_CI_250625_Mock-Up_Axo

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510_MU_250521_Mockup-001

Construction proceeded efficiently in part due to the modularity of elements composing the structure and façade.

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510_CO_240327_014

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510_SI_241111_036

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510_CO_241114_006

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510_CO_250105_040

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510_CO_250328_drone_photo_optimized

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The building combines extensive timber use, minimal concrete, radiant clay ceiling panels for climate control, natural ventilation, and a photovoltaic roof that generates approximately 30% of its energy demand on-site. It has an embodied carbon footprint 14% below the SIA benchmark.

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510_DG_250625_CO2-Budget_Percentages

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510_DG_250625_CO2-Budget

510_DG_250625_Sustainability-Measures

510_DG_250625_Sustainability-Measures

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510_CO_250331_016

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510_CP_251127_1257_MM_INT

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510_CP_251218_1341_MM_PRI

There is a diversity of workspaces, shaped by their respective orientation. Shifting openings from floor to floor give each level its own identity. A mix of environments — open work areas, meeting rooms, quiet retreats, shared double-height collaboration areas, terraces, and loggias—provides orientation and fosters exchange among teams.

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The northern stair, the “nose,” was assembled from precut timber slabs. It forms a distinctive exterior feature while also serving as a functional connection between the upper floors.

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510_SK_0000_JH_508

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510_MO_2211_011_Modell_20

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510_CO_2502_001

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510_CO_250121_003_DT-Nose

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510_CO_250425_bdfysfb_DT-Nose

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510_CO_260108_002_DT-Nose

Drawings

510_DR_260424_Siteplan_A4

510_DR_260424_Siteplan_A4

510_DR_260424_Level-1_A4

510_DR_260424_Level-1_A4

510_DR_260424_Level_0_A4

510_DR_260424_Level_0_A4

510_DR_260424_Level_1_A4

510_DR_260424_Level_1_A4

510_DR_260424_Level_2_A4

510_DR_260424_Level_2_A4

510_DR_260424_Level_3_A4

510_DR_260424_Level_3_A4

510_DR_260424_Level_4_A4

510_DR_260424_Level_4_A4

510_DR_260424_Level_5_A4

510_DR_260424_Level_5_A4

510_DR_260424_Level_6_A4

510_DR_260424_Level_6_A4

510_DR_260424_Level_7_A4

510_DR_260424_Level_7_A4

510_DR_260424_Section-S2_A4

510_DR_260424_Section-S2_A4

510_DR_260424_Section-S1_A4

510_DR_260424_Section-S1_A4

510_DR_260424_Facade-Detail-Typical_A4

510_DR_260424_Facade-Detail-Typical_A4

510_DR_260424_Facade-Detail-Roof_A4

510_DR_260424_Facade-Detail-Roof_A4

510_DR_2601_ETHZuerich_BUK-Vertiefungsarbeit_RothMelissa

510_DR_2601_ETHZuerich_BUK-Vertiefungsarbeit_RothMelissa

Team

Facts

Client
JP Mailand AG, Basel, Switzerland
Planning
Architect: Herzog & de Meuron Basel Ltd., Basel, Switzerland
Structural Engineer: Schnetzer Puskas International AG, Basel, Switzerland
Civil Engineer: Rapp Infra AG, Basel, Switzerland
Plumbing Engineer: Probst + Wieland AG, Burgdorf, Switzerland
HVAC Engineer: Waldhauser + Hermann AG, MĂĽnchenstein, Switzerland
Electrical Engineer: edeco AG, Aesch, Switzerland
Specialist / Consulting
Project Manager: Caretta + Weidmann Baumanagement AG, Basel, Switzerland
Facade Planner: Christoph Etter Fassadenplanungen, Basel, Switzerland
Fire Protection Consultant: Aegerter & Bosshardt AG, Basel, Switzerland
Lighting Planner: Regent Beleuchtungskorper AG, Basel, Switzerland
Building Physics Consultant: brĂĽcker+ernst gmbh, Luzern, Switzerland
Traffic Engineer: Rapp Trans AG, Basel, Switzerland
Sustainability Consultant: brĂĽcker+ernst gmbh, Luzern, Switzerland
Contractors
Concrete Contractor: Implenia Schweiz AG, Basel, Switzerland
Timber Contractor: Zaugg AG, Rohrbach, Switzerland
Facade Contractor: NEBA Therm AG, Zofingen, Switzerland
Heating & Cooling & Sanitary Installation: Rosenmund Haustechnik AG, Basel, Switzerland
Air Supply Installation: Rosenmund Haustechnik AG, Basel, Switzerland
Electric Installation: swisspro NW AG, Allschwil, Switzerland
Elevator Contractor: Kone AG, BrĂĽttisellen, Switzerland
Metal Work Contractor: Jakob Gutknecht AG, Muttenz, Switzerland
Solar Installation Contractor: Planeco GmbH, Arlesheim, Switzerland
Special Lighting: Regent Schweiz AG, Basel, Switzerland
Roofing Contractor: Rooftech AG, Reinach, Switzerland
Timber Flooring Contractor: ABT Bodenbeläge AG, Basel, Switzerland
Joinery: DOMINO Möbel AG, Muttenz, Switzerland
Fixed furniture: Holzwerkstatt Dreyeckland GmbH, Kandern, Germany
Landscaping: Haefeli Gartenbau GmbH, MĂĽnchenstein, Switzerland
Kitchen Builder: Schreinerei BĂĽchi AG, Liestal, Switzerland
Clay Ceiling System: Rodoni AG, Basel, Switzerland
Shading System: Storama, Burgistein Station, Switzerland
Drywall Builder: Egli AG, Basel, Switzerland
Glazed Partition Contractor: Glas Trösch AG, Bützberg, Switzerland
Door Contractor: Jos. Berchtold AG, ZĂĽrich, Switzerland
Building Data
Site Area: 10'774 sqft, 1'001 sqm
Gross floor area (GFA): 78'135 sqft, 7'259 sqm
GFA above ground: 63'582 sqft, 5'907 sqm
GFA below ground: 14'552 sqft, 1'352 sqm
Net floor area: 42'355 sqft, 3'935 sqm
Number of levels: 10
Footprint: 10'742 sqft, 998 sqm
Length: 180 ft, 55 m
Width: 98 ft, 30 m
Height: 98 ft, 30 m
Gross volume (GV): 985'386 cbft, 27'903 cbm
Facade surface: 34'788 sqft, 3'232 sqm