Melbourne Metro Tunnel Project

Overview

In 2018 archaeological excavations begun at the Melbourne CBD North Precinct for the Metro Tunnel Project

The assemblage discovered in these archaeological sites provided a unique representation of historic activities in post-colonial Melbourne, showing commercial and industrial enterprises co-existing near domestic environments.

Year

2018-2020

Client

Melbourne Metro Rail Authority

Services

  • Archaeology

Awards

Condition

Scope

ICS was present on-site throughout excavations for a seven month period to provide conservation ‘first aid’ for archaeological finds.  The primary focus was to support the archaeological teams, assist in block lifts and support materials identification.

Treatment

On-site conservation

·    Artefacts were triaged when excavated by ICS, and artefacts with a high risk of deterioration were either treated immediately on-site, or stabilised and stored for more complex laboratory conservation treatments.

·    Approximately 2,800 artefact records were treated and completed on-site.  Treatments were predominantly:

o  Cleaning and controlled drying of wet and/or damp organic materials including bone, shell, textiles, and leather

o  Humidification of crumpled textiles and paper objects

o  Surface cleaning of metal and composite metal artefacts in preparation of further laboratory treatments

o  Desiccated storage of metal artefacts in preparation of further laboratory treatments

 

Collection Stabilisation

·     After field work was completed, metal and composite artefacts were taken to the ICS Laboratory for further treatment.

·     Approximately 17,000 artefacts were processed.

·     Significance assessment of all the remaining conservation priorities and treatment triage then determined the level of conservation required for the large assemblage.

·    Treatment involved:

o  Cleaning and stabilising all metal and metal/composite artefacts

o  Impregnation and stabilisation of wet organic artefacts

o  Custom storage boxes for fragile or oversized artefacts

Further information

Project Team

Archaeologist Andrew Long & Associates

On-site treatment

Before treatment

On-site treatment

After treatment

Testimonial

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