Residential and hotel in Sydney (Greenland Centre building)

UNSW, Sydney – Australia

Residential and hotel in Sydney (Greenland Centre building)

Building use

Hotel

Country/Region

Australia

Overview

The Greenland Centre utilised the refurbishment of the original building which was completed in 1965. The reuse of the 24 stories of steel chevron bracing was then topped by an additional 44 stories, making it the largest residential building in Sydney.

Basic information (construction date, number of stories, gross floor area, adopted design code, engineer(s), Contractor(s), etc.)

Construction date: 2021
Number of stories: 68
Gross floor area: 67,000m2
Adopted design code: ASNZS2327 (Standards Australia, 2017)
Engineer(s): Arup
Contractor(s): Brookfield Mutiplex/ Probuild

Issue and/or innovation

Encased steel sections and precast composite beams.

Specific solution/technical details

The Greenland Centre utilised the refurbishment of the original Water Board building which was completed in 1965 and involved 24 stories of steel structure over a height of 101 m. The refurbishment involved reusing about 99% of all construction waste materials including 25,000 tonnes of concrete and 3,200 tonnes of brick. The reuse of the 24 stories of steel chevron bracing was then topped by an additional 44 stories, making it the largest residential building in Sydney.

Impact or effectiveness

This building is an extremely iconic building as it involves the refurbishment of a 60-year-old building, utilising structural steel from the original 26 floors and then with the addition of additional 44 storeys to make it the tallest residential building in Sydney.

References / Technical Papers Content

https://constructsteel.org/projects/case-study-the-greenland-centre/ https://en.wikipedia.org/wiki/Greenland_Centre,_Sydney https://www.skyscrapercenter.com/building/id/13289