KALDEWEI COMPETENCE CENTRE

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TYPOLOGY: Retail

COUNTRY: German

CITY: Ahlen

YEAR: 2005

COMPETITION: Invited, 1ˢᵗ Prize

GFA: 1.460 sqm

CLIENT: Franz Kaldewei GmbH & Co. KG

PHOTOS: © Christian Richters, © 2024 Walter Knoll

TALE OF THE TUB

Kaldewei are the Mercedes of bath manufacturers. Their robust 3.5mm tubs are formed over an iron mould by robotic arms (the steel screams while being pressed into shape). Tubs are then enamelled, the historic but still functioning enamel kiln is glimpsed as the conclusion of the visitor’s trajectory through the new information and exhibition centre. Façade planks (wrapping both new visitor facilities, adjacent smelting plant and warehouse) are enameled in the colours used for bathtubs. Entrance is across the paved plan of the original Kaldewei family villa, nearby are terracotta vats used in the nineteenth century for transporting vitreous enamel crystals.

KKC Plan at Ground level - PROMENADE ARCHITECTURAL

The façade Screens - plunging into a tub or choosing a whirlpool bath are discrete activities. The lobby is clad in a cosy mosaic of wooden panels with integrated lights and air outlets. The promenade architectural sequence leads up past a Bizatza tiled shower niche. Below - the wardrobe lurks behind the purple memory of the absent Kaldewei family house.

KKC Plan at upper level -EXHIBITION SALON

Like Carl Andre artworks, bathtub and shower tray designs are clustered in groups of four - spot-lit minimalist sculptures. On the grey salon end-wall are coloured wax circles by artist Gro Luhn. Beyond the salon visitors look down to the firey drama of the enamel kiln.

KKC Plan at lower level – PLUNGE CELLS

Purchasing a luxury whirlpool bath is similar to buying a small car, one demands a test drive or in this case a test bath. Towelling robes are donned in changing pods before progressing to sensuous cells, each with its own gestalt and bath model. Busloads of potential customers arrive from all over Europe engendering interesting sociological observations - Germans each require new bath water while Belgians are happy to sit in the water of the previous bather. Back in the lobby a gallery exhibition of historic bath artefacts was sketched but not realised.

House of Democracy

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TYPOLOGY: Competition / Educational, Public

COUNTRY: Germany

CITY: Frankfurt

YEAR: 2025

COMPETITION: Open ideas competition according to RPW

GFA: 6.200 sqm (new) + 14.000 sqm (existing)

CLIENT: Stadt Frankfurt

NO NEW CONSTRUCTION ON PAULSPLATZ
A cohesive ensemble that offers visitors the opportunity to explore the history and significance of democracy.

THE DEMOCRATIC LOBBY
Positioned between the Paulskirche and the New Building, the foyer serves as a central link between all functions: the Paulskirche with its historical exhibition, the New Building with its event spaces, workshops, and permanent and temporary exhibitions, and the Kämmerei with its library, laboratories, and offices.

LOCATION & URBAN DESIGN
The New Building accommodates a 368-seat event hall, temporary exhibition spaces on the lower floors, and a permanent exhibition on the upper levels. Its deliberate placement along Berliner Straße preserves the openness of Paulsplatz, fostering a compelling visual and spatial dialogue with the Paulskirche.

MATERIALITY
The solid portions of the façades of both the New Building and the Democratic Lobby are clad in red Main sandstone. Walls and roof are constructed from glued laminated timber trusses in a sandwich system, with glass layers on both interior and exterior faces. The south façade integrates approximately 600 m² of photovoltaic panels, ensuring a sustainable energy contribution.

CONSIDERED POSITIONING
The vertical circulation core (8.50 × 4.80 m) is strategically placed in front of the closed eastern façade of the former Federal Audit Office building, preventing unwanted overshadowing while maintaining clear visual connections.

A greenhouse of democracy
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Technology Centre

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TYPOLOGY: Office / Laboratory / Conference

COUNTRY: Germany

CITY: Münster

YEAR: 1993

GFA: 16.000 sqm

CLIENT: Technologiehof Münster GmbH

PHOTOS: © Christian Richters

The university zone of Münster (like most of what we still call cities) is a mixture of isolated large buildings, open space and fragments of small scale, residential patterns. Rather than attempting to stitch together buildings in a coherent or unifying pattern, the Technologiehof accepts its autonomy and in doing so legitimizes the voids between as today’s characteristic urban condition.

The three discrete objects of the Technologiehof also mark an end to the city. To the north are green fields, to the south (bridge side) is the semi-urban campus. Within their precise form the façades are a consequence of this double direction.

Three precise rectilinear forms (unambiguous autonomous objects) are a consequence of the construction system: standardised precast columns, beams, wall and floor panels. The expression of technology is limited to the shiny aluminium skin.

Small, highly serviced, commercially rented laboratories (bio-sensoric research, environment and telecommunications research) flank a middle building with offices and conference facilities. Triangular tapering winter gardens at third floor level provide relief from the absorbing rigour of the working spaces.

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One of three rectilinear forms
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The bridge
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Axonometric perspective
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Figure ground plan
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Ground floor plan
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First floor plan and South elevation
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Loddenheide Water Purification Plant

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TYPOLOGY: Technical

COUNTRY: Germany

CITY: Munster

YEAR: 2021

PHOTOS: © Christian Richters, © BOLLES+WILSON

40 Years of Water Research – 20 years of Water Pumping

The 2001 Loddenheide Water Filtration Plant is almost BOLLES+WILSON’s smallest building. It has for the last 20 years been cleaning and filtering road runoff before it lands in the re-absorption pond of the Loddenheide Business Park. The pond itself is a re-naturalizing success, now a bird sanctuary for countless water foul. The glazed vitrine of the pump house now stands serenely in winter snow or spring blossom. Its machines turn two Archimedes Screw Pumps, aerating the water before splashing into a circular filtration tank. The rectangular plan geometry of the first is set against the circular form of the second. A line of poplar trees, now fully grown, bisects these two fundamental geometries. For those inexperienced at reading metaphoric content into infrastructural equipment the fences surrounding the two machines come with subtext – although the supergraphic H2O on the fence mesh is not readable when approached front on, only when seen in the oblique is it there to underline the theme of ‘Water’.

The Business Park was at the outset renamed Freedom Park by the Dalai Lama, then visiting Münster. The Dalai Lama Commemoration Stone stands 120 meters away from the pumping facilities – just follow the line of poplars. It is certainly BOLLES+WILSON’s smallest work. To read its text one must walk three times around the dark green stone. We like to believe that the rainy day inauguration photo documents the Dalai Lama gleefully asking Münsters lady Mayor – ‘Is it really a BOLLES+WILSON design’.

BOLLES+WILSON water research began in 1976 with Peter Wilson’s Iconic Water House. In 2018 the watery trajectory continued with the second warehouse for RS+Yellow both with ‘Infinity Pool’ roofs.

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Loddenheide Water Filtration Plant
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H2O graphic on the fence mesh
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Model
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Construction
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Design for the Dalai Lama Commemoration Stone
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The Dalai Lama Commemoration Stone
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Rainy day inauguration with Dalai Lama and the then mayoress
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After twenty years the line of poplar trees have grown to divide Pumphouse from Circular Airation Basin, a formal seperation envisiged in the original compositional concept.

BRINK CENTRE – HENGELO

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TYPOLOGY: Masterplan
COUNTRY: The Netherlands
CITY: Hengelo
YEAR: 1998
COMPETITION: 1995
CLIENT: ING VASTGOED
PARTNER: Bureau Boukunde, Rotterdam
PHOTOS: © Christian Richters, BOLLES+WILSON

Vroom & Dreesmann – A big shed department store lands in Hengelo NL in 1998

BOLLES+WILSON won the competition with a choreographed ensemble of heterogeneous objects:

  • A shopping passage with housing above
  • A department store (Vroom & Dreesmann)
  • A Klok Tower – which anchors both the BRINK ensemble and the Hengelo market square
Three Tower Alchemy

digital klok – market day

THE SHORT LIFE OF A DIGITAL KLOK:
The BRINK campanile (Klok) forms a triangle with city hall + church towers. After 10 years the Klok came down with digital Alzheimer's. BOLLES+WILSON were asked for an avatar. The gold angel (local artist) blowing a raspberry in the direction of Enschede survived.

The 5 floors of housing above the shopping passage have cosy wood paneled internal balcony access
left - V&D shed, right - housing
The large plate carpark below V&D + passage at the time won the Dutch – underground parking garage of the year award

The market square has now undergone green washing, also the klok tower – we hope!!
(on the right – the condemned V&D)