Ikosi-Squared — Rhombicosidodecahedral Pavilion
Edge Length
6.000 m
Height
24.775 m
Circumradius
13.398 m
Base Ø
10.208 m
Max Ø
26.724 m
Usable Area
1,441.3 m²
Gross Area
1,984.1 m²
Framed Envelope
2,073.1 m²
Structure
Nodes
60 × cast steel
Members
120 × 6.000 m
Shell
Tubular steel, S355
Core
CLT, decagonal
Floors F1–F5
CLT, core-borne
Ground Slab
Concrete
Circulation
Shaft
central, full height
Escape Stairs
two, independent
Arrangement
double helix, 180° offset
Helix Sweep
1,260° · GF→F5
Core Doors
12
Lift
firefighting, 6 stops
Envelope · 62 faces
Glazed
31 · 1,299 m²
Opaque
20 · 414 m²
PV Panels
10 · 77.4 kWp
Ground Slab
1 · 62 m²
Embodied C (A1–A3)
586.9 tCO₂e
incl. biogenic
241.2 tCO₂e
RIBA Stage 1–2 proof of concept · figures indicative,
not for construction
Structural and fire-engineering data available on request