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City Library — project photograph

A-08 · Civic & culture · Tepebaşı, Eskişehir

City Library

A library whose reading hall is lit from above, with a ground floor open to the street as the city’s living room.

Location
Tepebaşı, Eskişehir
Year
2023
Area
4,200 m² · plot 6,100 m²
Status
Completed
Services
Architecture, Interior architecture
Client
Local authority (sample)
Floors · scale
B+Z+2 · 1:200
Team
Defne Aksoy (Founding partner) · Kerem Tunalı (Founding partner) · Ozan Yeşiltepe (Project architect) · Bora Erkin (Interior architect)
Collaborators — sample
Structural engineering: Örnek Statik Mühendislik · Acoustic consultancy: Örnek Akustik · Contractor: Örnek İnşaat

01 Idea

Today a library is not only a place where books are kept; it is one of the city’s last public spaces where people can be together in silence. We conceived this building in Eskişehir as the city’s living room. The ground floor is kept fully open as a continuation of the street: newspaper room, children’s section, a small café and an exhibition space are visible before you even enter. The main reading hall is upstairs, raised above the noise of the city — a large, calm room lit from above.

City Library — project photograph

02 Space

The building is a rectangular volume of 4,200 square metres, with a gallery void rising three storeys through its centre. A ramped stair winds around this void, slowly carrying visitors from the ground floor to the reading hall. Bookshelves line the external walls; tables sit in the middle, beneath the light. The basement houses the archive, a lecture hall and plant rooms. Group study rooms open onto the void through glass, cutting sound while keeping the visual connection.

City Library — project photograph

03 Material and construction

The structure consists of fair-faced concrete walls and long-span ribbed slabs. The external facade is built in handmade sand-coloured brick; at reading-hall level the bricks are laid with gaps to form a perforated screen. Inside there is almost no material other than concrete, oak and felt. Shelves, tables and the ramp balustrades are all the same oak. For acoustic comfort we placed wool felt panels between the ceiling ribs; in the main hall the reverberation time is below one second.

City Library — project photograph

04 Light

The reading hall’s light comes entirely from north-facing sawtooth rooflights; direct sun never falls on the tables. As a result the daylight factor is adequate for reading everywhere in the hall and stays even throughout the day. The perforated brick screen gives the street-facing desks a filtered, dappled light. In the evening the relationship reverses: the library is lit from within and glows towards the city through the gaps in the brick screen. Even after closing, the building leaves a sense of presence on the street.

City Library — project photograph
City Library

Time of day

13:00

Light temperature and shadow direction change with the hour. The night view shows interior light on the facade as a restrained tonal layer (simulation).

Drawing set

From site plan to detail.

1234567ABCD90090090090090090054001000100010003000LOBBY180 m²CAFÉ180 m²STAIR180 m²READING HALL720 m²MEETING90 m²ADMIN90 m²AA±0.00N02.551020m1:200
%100

Ctrl + wheel or pinch to zoom, drag to pan. The scale bar scales with the drawing.

Drawing ↔ photograph

A perspective trace of the same frame. Drag the handle or use the arrow keys.

City Library
DRAWINGPHOTOGRAPH

Material palette

Few materials, ageing well.

  • Handmade brick

    M-01

    Handmade brick

    Sand colour, perforated bond

    Facade

  • Fair-faced concrete

    M-02

    Fair-faced concrete

    Smooth formwork, clear sealer

    Structural walls, gallery

  • Oak

    M-03

    Oak

    Solid, matt lacquer

    Shelving, tables, balustrade

  • Wool felt

    M-04

    Wool felt

    12 mm, anthracite

    Ceiling acoustic panels

  • Polished concrete

    M-05

    Polished concrete

    Exposed aggregate

    Ground floor

Gallery

9 frames

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