1984 National OSHA Record

• 6486 accidents.

• 516 injuries.

• 90 deaths.

OSHA Record Includes

• Power Boilers

• Water Boilers and Steel Tanks

• Cast Iron Boilers

• Pressure Vessels (poorest record)

Pressure Vessel Record

• 1310 / 6486 accidents

• 437 / 516 injuries

• 73 / 90 deaths

Pressure Vessel Components

• Shell

• Head

• Attachements

• Piping

• Safety Valves

• Misc

Pressure Vessel Failure - Causes

• Operator error or poor maintenance – 149 / 933

• Faulty Design – 144 / 933

• Corrosion or erosion – 132 / 933

• Pressure control failure – 41 / 933

• Other – 420 / 933

Pressure Vessel Failure Types

• Cracked – 403 / 1087

• Other - 298 / 1087

• Leakage – 163 / 1087

• Rupture – 158 / 1087

• Explosion – 22 / 1087

• Collapsed Inward – 15 / 1087

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