T1 North Lobby, Sydney Stainless Steel Facade, Australian Building, Architecture, Images

T1 North Lobby in Sydney

Building Facade, Australia – design by Rogers, Stirk, Harbour, and Partners and AR-MA – Digital Fabricator

31 May 2017

T1 North Lobby

Design: Rogers, Stirk, Harbour, and Partners

Location: Sydney, New South Wales (NSW), Australia

T1 North Lobby

As part of Lendlease’s urban renewal project for Barangaroo South, AR-MA and ARC Roofing collaborated with Rogers, Stirk, Harbour, and Partners, Lendlease Design, and ARUP on the technical design of the modular, pre-fabricated atrium roof for International Tower One.

Working on top of ARUP’s structural steel frame, AR-MA worked with ARC Roofing to design, fabricate, assemble, and install, the roof modules, finished with flat-lock zinc panel, within exceptionally tight tolerances. To ensure the required accuracy, AR-MA developed and maintained a full, virtual-design-and-construction, parametric model throughout the project. Following confirmation of the design, this model was then employed within a file-to-factory pipeline to produce all required zinc and sub-structural steel components. These were then assembled in ARC Roofing’s factory and sent to site for installation.

On site, the modules were crane-lowered into custom frames formed with mitred steel angles, fitted to the roof’s guttering (also designed by AR-MA) prior to module installation. Less than a millimetre accuracy was maintained throughout the project, in both design and construction, ensuring all 20,000 bolt holes aligned during installation.

T1 North Lobby in Sydney – Building Information

Project size: 500 sqm
Completion date: 2016
Building levels: 1

Components:
10 Modules
11 Gutter Nodes
20 Gutter segments
Made up:
Zinc Cladding: 500sqm
4mm Steel Sheet: 192 panels total 550sqm
5mm steel ribs: 1012 ribs total length 830m / same as the height of the burj khalifa
Perimeter Angle: 312 m
Bolts: around 10 000
Bolt Holes: around 20 000
Tophats: 892 tophats total 800 m in length / the length of 3 titanics end to end
Insulation: 830sqm / almost cover 2 basketball courts
Stainless steel sheet for secondary gutters: 200 sqm
5mm Steel Sheet for gutters: around 180 sqm