
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



