Winner: Atrio North Tower

Structural Designer

Arup & PYD (Engineer of Record)

Client Name

Grupo A, QBO

Location

Bogotá, Colombia

ARCHITECT
Rogers, Stirk, Harbour + Partners & El Equipo Mazzanti

PRINCIPAL CONTRACTOR
ARPRO ARQUITECTOS INGENIEROS S.A. & EllisDon Construction Services Inc.

MEP ENGINEER
Arup & POCH (Engineer of Record) 

QUANTITY SURVEYORS
AECOM

STEEL CONTRACTOR
Supermetal Structures

CLADDING CONTRACTOR
Permasteelisa Group

STEEL CONTRACTOR
TECMO, HB

FORMWORK
Peralta
 

PROJECT DESCRIPTION

The tallest office building in Colombia, rising over 200m (46 storeys). Remarkable integrated engineering solutions responded to a challenging and highly seismic site. Advanced seismic design techniques are used to minimise the building’s embodied carbon.
 

Submitted in 2021

Judge's comment:

This ambitious project is the tallest office building in Colombia. The structure represents a technological advancement in the field of composite high-rise construction, combining state-of-the-art steel construction with local concrete practice to deliver innovation economically in a highly seismic site.

The seismic-resisting function was central to the building’s architecture and led to the development of a sophisticated highly ductile composite braced frame. Maximising ductility was a key factor in counteracting seismic effects and reducing material use. The bracing elements were designed to deform plastically during design level earthquake events.
The project also leaves a positive legacy for local steelwork capability. By upskilling local labour to carry out erection and field welding of special seismic connections the local market now has the capability to deliver projects of a similar scale and specification without importing these elements.

A remarkable all-round combination of structural engineering design expertise, elegant detailing, and value in a very challenging location.

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