April, 2015

This is a repeating event

201509AprAll DayWEIFANG FATALITIES 2015Weifang, Shandong (CN)Lessons:Audits & Reviews,Commitment & Culture,Competency,Compliance with Standards,Control of Work,Emergency Preparedness,Management of Change,Operating Procedures,Operational Integrity,Operational Readiness,Performance Indicators,Process Knowledge,Risk Assessment,Workforce InvolvementIndustry:Water TreatmentCountry:ChinaLanguage:ENLoC:Operator error Origin: MKOPSC Incident:AsphyxiationHazards:Environmental,Flammable,ToxicContributory Factors:Component MalfunctionImpact:HUMAN (On Site Fatalities)Effects:1-10 FatalitiesMaterial:Hydrogen Sulfide

Summary

Two employees accidently fell in an aerobic tank sewage treatment station. Two more employees fell into the aerobic tank in the subsequent rescue.

Proximate causes:
• Inadequate tools, equipment & vehicles (Aerobic tank no special ventilation equipment)

Source: A web-based collection and analysis of process safety incidents (https://www.sciencedirect.com/science/article/abs/pii/S0950423016302285)

Origin

MKOPSCMary Kay O'Connor Process Safety Center

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