Don Aitken Centre

Level 9 Balcony – Waterproofing

Programmed Facilities Management

40 Waterloo Crescent, Perth WA

Image 1. Before works completion North side of balcony 1


The Don Aitken Centre, constructed circa 1968, houses the Main Roads WA Head Office. The building, consisting of a concrete and steel portal frame, is made up of 11 levels which comprise a basement, ground floor and upper floors 1 to 9 inclusive.

BUSS Group was awarded the contract to complete waterproofing works to the Level 9 balcony which was experiencing water ingress issues. In October 2020, BUSS mobilised to site to commence the works which included the following scope:

  • Removal of existing waterproofing membrane and/or coating system;
  • Removal of existing screed and replace with new;
  • Repair of surface defects as required;
  • Application of a concrete topping (wear slab);
  • Installation of new high performance 2-layer torch-on waterproofing membrane system; and
  • Undertake water test upon completion.
Image 2. After works completion North side of balcony

Fig 2: After works completion to the North side of the balcony

Image 3. Waterproofing works in progress square

Fig 3: Waterproofing works in progress



Graham Murphy

  • The building remained fully occupied for the duration of the works
  • All noisey works, and that causing vibration, was scheduled for after office hours and during weekends; and
  • The works were successfully completed on schedule and to budget


40 Waterloo Crescent, Perth WA


    Did you know that currently waterproofing is unregulated in WA? How do you know who to trust? Read more...