405 Bourke Street

39-level NAB headquarters built over existing heritage building undergoing restoration.

Client

NAB

Builder

Multiplex

Location

Melbourne CBD

Budget

Undisclosed

The challenge

Constructing a 39-level tower over an existing heritage building presented extreme height work risks, structural loading challenges, and the technical complexity of integrating modern construction with heritage restoration. The NAB headquarters project demanded absolute reliability in safety management given the high-profile client, CBD location, and structural intricacy of building over occupied heritage fabric.

Managing height work safety across 39 levels while simultaneously coordinating heritage restoration below required constant vigilance and specialized high-risk work protocols. The technical challenge of constructing over an occupied heritage building meant traditional access methods and loading sequences couldn't be used, demanding innovative safety solutions for every construction stage.

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Our approach

Our initial documentation review established robust safety protocols before mobilization, while monthly HSE audits provided ongoing verification as construction progressed through complex structural stages.

When incidents occurred, Elliott Safety's ad hoc investigation reviews gave Multiplex independent expert analysis to prevent recurrence and demonstrate due diligence to stakeholders.

Services Delivered:

  • Initial startup project documentation review
  • Monthly HSE site audits with action closeout
  • Ad hoc incident investigation reviews

Results & Impact

The four-year project achieved successful completion with comprehensive safety oversight from ground breaking through to handover, maintaining Multiplex's safety reputation on one of Melbourne's most technically demanding CBD projects.

Elliott Safety's monthly audit rhythm and incident investigation support ensured safety standards never wavered despite the project's extreme complexity.

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