US Class I Rail Process Wiki Hazardous Materials & Environmental › TIH/PIH Handling and Route Risk Analysis
🗺 BPMN Process Flow
RR-08-02-01 BPMN Diagram

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📋 Process Attributes
Process IDRR-08-02-01
Domain FamilyCORPORATE
L1 DomainHazardous Materials & Environmental
L2 Process GroupTIH/PIH Handling and Route Risk Analysis
TriggerInitiation by a Hazmat Compliance Officer upon receiving notification of a train carrying hazardous materials or upon identifying a potential route risk.
OutcomeSuccessful completion results in the safe transportation of hazardous materials, identification and mitigation of route risks, and adherence to all relevant regulations and safety standards.
SystemsNetControl I-ETMS TRANSCAER SERTC EHMS
Regulatory Hooks49 CFR Part 172-174 AAR Circular OT-55 (key train / TIH-PIH handling)
📋 L4 Process Steps
StepNameRoleSystem InputOutputKPIPain Point / Risk Decision?Exception?
1.1 Identify TIH/PIH Train Hazmat Compliance Officer AskRail Train manifest or notification of hazardous materials TIH/PIH train identification report Time to identify TIH/PIH train < 1 hour Inaccurate manifest data leading to misidentification Y N
1.2 Review Route Risk Emergency Response Coordinator TRANSCAER TIH/PIH train identification report Route risk assessment report Route risk review completed within 2 hours Inadequate route data affecting risk assessment Y Y
1.3 Update Train Schedule Train Dispatcher NetControl Route risk assessment report Updated train schedule with safety precautions Schedule update completed within 1 hour Traffic congestion affecting schedule updates N Y
1.4 Conduct Pre-Departure Inspection Car Inspector (Carman) EHMS Updated train schedule Pre-departure inspection report Inspection completed within 30 minutes Equipment failure during inspection Y N
1.5 Monitor Train Movement Control Operator I-ETMS Pre-departure inspection report Train movement monitoring report Continuous monitoring without interruption System failure affecting monitoring N Y
1.6 Assess Environmental Impact Hazmat Compliance Officer TRANSCAER Train movement monitoring report Environmental impact assessment report Impact assessment completed within 4 hours Data collection errors affecting assessment Y N
1.7 Update Emergency Response Plan Emergency Response Coordinator SERTC Environmental impact assessment report Updated emergency response plan Plan update completed within 2 hours Resource allocation issues affecting plan updates N Y
1.8 Review and Approve Route Changes VP Network Planning & Operations NetControl Updated emergency response plan Route change approval document Approval process completed within 1 hour Complex route changes requiring extensive review Y N
1.9 Implement Safety Precautions Train Dispatcher NetControl Route change approval document Safety precautions implementation report Precautions implemented within 30 minutes Coordination issues between departments N Y
1.10 Monitor Train Performance Control Operator I-ETMS Safety precautions implementation report Train performance monitoring report Continuous performance monitoring without interruption System failure affecting monitoring N Y
1.11 Review and Adjust Route Risk Emergency Response Coordinator TRANSCAER Train performance monitoring report Adjusted route risk assessment report Risk review completed within 2 hours Inadequate data affecting risk assessment Y N
1.12 Finalize Route and Safety Measures Train Dispatcher NetControl Adjusted route risk assessment report Finalized route and safety measures document Finalization process completed within 1 hour Coordination issues between departments N Y
📊 KPIs & Risk Register

KPIs

Time to identify TIH/PIH train < 1 hour Route risk review completed within 2 hours Schedule update completed within 1 hour Inspection completed within 30 minutes Continuous monitoring without interruption Impact assessment completed within 4 hours Plan update completed within 2 hours Approval process completed within 1 hour Precautions implemented within 30 minutes Risk review completed within 2 hours Finalization process completed within 1 hour

Key Risks

Inaccurate manifest data leading to misidentification Traffic congestion affecting schedule updates Equipment failure during inspection System failure affecting monitoring Data collection errors affecting assessment Resource allocation issues affecting plan updates Coordination issues between departments

Swim Lanes

Hazmat Compliance Officer · 1.1, 1.6 Emergency Response Coordinator · 1.2, 1.7, 1.11 Train Dispatcher · 1.3, 1.9, 1.12 Control Operator · 1.5, 1.10 Car Inspector (Carman) · 1.4