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Rothschild Avenue, Otto 1

Facade Engineering, Remedial, Structural Engineering

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Project Details

Originally constructed in 2015, the Otto 1 residential development in Rosebery required significant remediation works to address various building defects affecting resident safety and comfort. The complex experienced extensive water ingress issues stemming from a systemic failure of the balcony waterproofing system, alongside other structural and compliance challenges that needed resolution.
In 2023, the Owners Corporation and Icon Project Management appointed RM Watson to undertake a comprehensive remediation program. Working closely with all stakeholders, the team developed and implemented solutions to meet three critical objectives:

Upgrade the waterproofing systems to eliminate water ingress issues and protect resident living spaces.
Execution of all necessary upgrades to achieve full compliance with the National Construction Code, ensuring the building meets current building standards.
Remediation of structural elements to resolve safety concerns and provide residents with a secure living environment.

RM Watson engaged LJ Carroll under a design and construct contract to design the following scope items.

A bespoke Fatra balcony membrane system which achieved full compliance with the NCC while simultaneously enabling the retention of the original balcony doors, delivering a significant cost saving to the owners.
Design for replacement of the original non-compliant balustrade system to meet current safety standards.
Design for replacement of the flammable cladding across façade elements and installation of a new 3mm thick solid aluminium cladding system.

LJ Carroll provided structural, façade and drainage regulated designs for the project including inspections and certification.