FAILURE INVESTIGATION

PCA and its Consultants have been involved in Failure Investigations for more then 25 years.

 

Principal Consultant, Philip Ferguson, is an experienced Metallurgist (Graduate of UNSW) and has provided expert opinions in several court cases involving steel, grey cast iron and ductile iron pipelines.

Failure Sequence

Interference

Dead

Live

Failure

Corrosion

Fatigue

Degradation

Mechanical damage

Inherent flaws

Weakening of pipes

Operational pressures

Cyclic

Surge 

Static

Mechanical overload

External loading

From Ferguson and Nicholas AWA Conference

Ductile Iron/Steel

Cast Iron/Asbestos Cement 

Plastic/Glass-Reinforced Plastic

Legend

Failure in Bellevue Hill, NSW, 2009 

Photo courtesy SMH

Failure of Ryde Suction Main, NSW, 2009 

Photo courtesy SMH

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