Health Safety and Wellbeing Lessons Learned

Transforming Tunnel Safety are pleased to provide copies of Lessons Learned circulars below.

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Silica Dust Awareness

A presentation highlighting the dangers from silica dust


Unintentional discharge of Fire Suppression System

During tunnel excavation, a tracked dumper was being loaded and the excavated material came into contact with the fire suppression system tube. The tube is connected to a cylinder containing the extinguishing agent, the tube was damaged allowing the extinguishing agent to be released into the tunnel work space.


Air Release from a concrete pump

Towards the completion of a concrete pour using a boomed concrete pump into the inlet chamber, some concrete and air was sprayed from the end placing hose of a concrete pump towards a worker