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The glazed building with the steel diagrid on its facade during erection, with mobile cranes and workers in front

ProjectAll projects

Collider Activity Center

Sofia

steel structure
215 t
Client
Walltopia
Type
Public and sports buildings
Our role
Subcontractor
Stage
Completed
steel structure
215 t
Client
Walltopia
Type
Public and sports buildings
Our role
Subcontractor
Stage
Completed

Headquarters and climbing and activity centre for Walltopia. Horizont-⁠Ivanov fabricated the steel structure and installed the roof sheeting.

The Collider Activity Center in Sofia houses the headquarters and training spaces of Walltopia, a world-⁠leading manufacturer of artificial climbing walls and holds. It was conceived as the city’s first green mixed-⁠use centre, combining leisure and sport. To tie the building’s different uses together, the architects set a series of complex climbing atriums into its folds, creating a continuous climbing experience.

Horizont-⁠Ivanov produced the shop drawings, fabricated and supplied the steel structure with fire-⁠resistant paint, and supplied and installed the roof sheeting.

Sheet 1/1Key plan02550 km

135 km from our plant in Pleven, in a straight line.

  1. Investment
  2. Design
  3. Permits
  4. Fabrication
  5. Construction
  6. Maintenance
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6 more photographs

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