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Demian Coffee

Future concept · Toyama, JapanFuture concept

Build specification

The model is built to real dimensions (metres) so it can be built from. Below are the rooms and areas on each floor.

Building
14 m × 20 m, three storeys, about 11.4 m tall; 3 m timber terrace in front
Floor area
About 840 m² (280 m² per floor, including the atrium and courtyard)
Floor heights
1F 4.5 m · 2F 3.6 m · 3F 3.3 m
Seats
About 40 on 1F (6 on the terrace); 2F: 8 desks, 4 window seats and 8 reading seats
Rooms
Four rooms (21–25 m²) and a 42 m² suite with balcony, all en-suite
Circulation & egress
Enclosed fire stair on every floor plus an accessible lift; the open stair links 1F and 2F only
Services
The roaster vents separately to the roof; toilets, kitchen and laundry stack vertically on one riser
Site
Toyama, Japan — heavy-snow region: the flat roof is designed for the local snow load; the courtyard is not open to the sky but covered by a sloped double-glazed laminated rooflight, so snow slides off and melt and rain run to the roof gutters, with vents underneath against condensation; seismic design as well
Before building
Concept design: a licensed Japanese architect (kenchikushi) and structural engineer must check it against the Building Standards Act and the Fire Service Act; the guest rooms need a licence under the Hotel Business Act (simple lodging or ryokan/hotel) or the Private Lodging Business Act, and the café a restaurant business permit

1F · Café

280 m² on this floor, 4.5 m floor height

RoomSizeArea
Kitchen & prep5 × 4.5 m22.5 m²
Toilets (one accessible)3.4 × 4.5 m15.3 m²
Roastery4.5 × 4.5 m20.3 m²
Atrium lounge (8.1 m high)5.5 × 6 m33 m²
Coffee bar7.5 × 3.2 m24 m²
Street-side seating14 × 4 m56 m²
Terrace14 × 3 m42 m²

2F · Library & workspace

280 m² on this floor, 3.6 m floor height

RoomSizeArea
Meeting room (8)5 × 5 m25 m²
Toilets3.4 × 3 m10.2 m²
Phone booths × 23.4 × 1.8 m6.1 m²
Library5 × 14.5 m72.5 m²
Atrium gallery5.5 × 6 m33 m²
Co-working9 × 6.5 m58.5 m²

3F · Guest rooms

280 m² on this floor, 3.3 m floor height

RoomSizeArea
Room 3013.8 × 6.5 m24.7 m²
Room 3023.8 × 6.5 m24.7 m²
Suite 303 (balcony)7 × 6 m42 m²
Room 3043.5 × 6 m21 m²
Room 3053.5 × 6 m21 m²
Glass-roofed courtyard5.5 × 6 m33 m²
Guest lounge & kitchenette3.4 × 6.8 m23.1 m²
Laundry & linen3.4 × 3 m10.2 m²
Suite balcony7 × 1.5 m10.5 m²