Case Studies

 

Integer (Update) : The Integer 40-Storey Tower

 

                                    

Overview
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bullet (Add) Structure could be demountable and reusable and/or recyclable.
bullet Add description of the 40-storey building structure concept.
 

“The initial structural design comprised a conventional in-situ core constructed at site, (using a hydraulic climbform or similar forming system), with the residential units being designed as a series of modules tied back to the core, using welded and shear stud connections. The modules themselves were designed as concrete boxes, comprising between three and five modules to form one residential unit of between 400-700 sq ft, these being factory produced.

 
Module specifications:

- Size: 8.5L x 2.5W x 2,75H (internal).
- Weight: 25t max.
- 36 modules per floor.
- 15 module types.
- Grade 40 concrete.
- Floor & façade 125 mm.
- Roof & walls 75 mm.

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Precast Modules
 
The precast concrete modules are prefabricated off-site in Guangdong. It was possible for the modules to be fitted out in the factory.

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Cost Comparison for the future 40-storey residential tower
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The cost analysis done by Franklin + Andrews (Hong Kong) Ltd, is an audit of the capital and life cycle costs of a typical 40-storey residential tower, built using Integer concepts.

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The base construction cost comprises the basic building before the addition of cladding, fresh air ventilation, PV panels, wind turbines, grey water recycling and refuse chutes.

 

   
Outline Scope of Work & Specifications, and waste generation
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Cost Model for Superstructure
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Cost Comparison External Walls, Windows & Doors
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Low-Waste Buildings Technologies & Practices
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