RR-05 RR-05-01-01 — Locomotive Running Repair & Servicing
This process involves the running repair and servicing of locomotives to ensure they are in optimal condition for safe and efficient operation on the railroad network.
🗺 BPMN Process Flow
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📋 Process Attributes
| Process ID | RR-05-01-01 |
|---|---|
| Domain Family | OPERATIONS |
| L1 Domain | Mechanical & Rolling Stock |
| L2 Process Group | Locomotive Running Repair & Servicing |
| Trigger | Detection of a hot bearing or wheel impact by the wayside defect detector network, or identification of a locomotive requiring maintenance during routine inspections. |
| Outcome | A fully serviced and repaired locomotive ready for return to active service with all safety systems operational. |
| Systems | Wayside defect detector network NetControl I-ETMS Umler EHMS Wabtec Modular Control Architecture |
| Regulatory Hooks | 49 CFR Part 232 49 CFR Part 215 AAR Interchange Rules (Rule 88 and related) |
📋 L4 Process Steps
| Step | Name | Role | System | Input | Output | KPI | Pain Point / Risk | Decision? | Exception? |
|---|---|---|---|---|---|---|---|---|---|
| 1.1 | Locomotive Identification | Service Operator | Wayside defect detector network | Defect detection data | Locomotive ID and maintenance order | Time to identify locomotive under 5 minutes | Delayed identification due to system malfunctions | N | Y |
| 1.2 | Locomotive Routing | Manager-Locomotive Maintenance | NetControl | Locomotive ID and maintenance order | Routing instructions to appropriate shop | Routing time under 15 minutes | Inefficient routing causing delays | N | Y |
| 1.3 | Locomotive Arrival at Shop | Service Operator | NetControl | Routing instructions | Locomotive arrives at designated shop | Arrival time within 30 minutes of routing | Traffic congestion causing delays | N | Y |
| 1.4 | Initial Inspection and Defect Identification | Electrician (locomotive) | EHMS | Locomotive arrival notification | Inspection report with defect list | Completion of initial inspection within 1 hour | Complex defects requiring extended diagnosis | Y | N |
| 1.5 | Defect Prioritization and Repair Planning | Manager-Locomotive Maintenance | Umler | Inspection report with defect list | Repair plan and schedule | Repair planning completed within 2 hours | Resource allocation conflicts | Y | N |
| 1.6 | Component Replacement or Repair | Machinist | Wabtec Modular Control Architecture | Repair plan and schedule | Repaired or replaced components | Component replacement rate above 95% | Difficult-to-reach parts | N | Y |
| 1.7 | Air Brake System Test | Electrician (locomotive) | I-ETMS | Repaired components | Air brake test results | Pass rate of air brake tests above 98% | Defective parts causing failed tests | Y | Y |
| 1.8 | Locomotive Reassembly and Final Inspection | Electrician (locomotive) | EHMS | Air brake test results | Final inspection report | Completion of final inspection within 2 hours | Hidden defects not caught in initial inspections | N | Y |
| 1.9 | Locomotive Testing and Readiness Check | Service Operator | NetControl | Final inspection report | Testing results and readiness status | Readiness rate above 90% | Undetected issues causing operational failures | Y | N |
| 1.10 | Locomotive Departure for Service | Service Operator | NetControl | Testing results and readiness status | Locomotive departs for service | Departure time within 1 hour of final inspection | Traffic delays causing departure delays | N | Y |
📊 KPIs & Risk Register
KPIs
Time to identify locomotive under 5 minutes Routing time under 15 minutes Arrival time within 30 minutes of routing Completion of initial inspection within 1 hour Repair planning completed within 2 hours Component replacement rate above 95% Pass rate of air brake tests above 98% Completion of final inspection within 2 hours Readiness rate above 90% Departure time within 1 hour of final inspection
Key Risks
Air brake test defect released to the road Locomotive delays due to inefficient routing Traffic congestion causing delays Resource allocation conflicts Undetected issues causing operational failures
Swim Lanes
Service Operator · 1.1, 1.2, 1.3, 1.9, 1.10 Manager-Locomotive Maintenance · 1.4, 1.5 Electrician (locomotive) · 1.6, 1.7, 1.8