RR-05 RR-05-02-02 — Locomotive Heavy Overhaul and Shop Operations
This process outlines the heavy overhaul and shop operations for locomotives at Union Pacific's various shops, ensuring they meet safety standards and operational efficiency.
🗺 BPMN Process Flow
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📋 Process Attributes
| Process ID | RR-05-02-02 |
|---|---|
| Domain Family | OPERATIONS |
| L1 Domain | Mechanical & Rolling Stock |
| L2 Process Group | Locomotive Heavy Overhaul and Shop Operations |
| Trigger | Detection of a locomotive requiring heavy overhaul through routine maintenance checks or failure reports. |
| Outcome | A fully overhauled and tested locomotive ready to return to service, with all necessary documentation completed and updated in the system. |
| Systems | Umler Wayside defect detector network Downing B. Jenks Shop Wabtec Modular Control Architecture EHMS NetControl I-ETMS TRAIN II |
| Regulatory Hooks | 49 CFR Part 232 49 CFR Part 215 49 CFR Part 229 AAR Interchange Rules 49 U.S.C. § 21103 |
📋 L4 Process Steps
| Step | Name | Role | System | Input | Output | KPI | Pain Point / Risk | Decision? | Exception? |
|---|---|---|---|---|---|---|---|---|---|
| 1.1 | Locomotive Identification and Scheduling | Manager-Locomotive Maintenance | Umler | Locomotive maintenance report | Scheduled overhaul work order | Overhaul backlog reduction by 10% monthly | Inaccurate scheduling leading to delays | Y | N |
| 1.2 | Initial Inspection and Defect Logging | Electrician (locomotive) | Wayside defect detector network | Scheduled overhaul work order | Defect log report | Average inspection time under 2 hours | Overlooked defects leading to safety risks | Y | Y |
| 1.3 | Component Replacement and Repair | Machinist | Downing B. Jenks Shop | Defect log report | Repaired or replaced components list | Component replacement accuracy rate above 95% | Inconsistent quality in component replacements | Y | N |
| 1.4 | Testing and Calibration | Electrician (locomotive) | Wabtec Modular Control Architecture | Repaired or replaced components list | Test results report | First-time pass rate on tests above 85% | Frequent test failures delaying return to service | Y | Y |
| 1.5 | Final Inspection and Documentation | Manager-Mechanical Maintenance | EHMS | Test results report | Overhaul completion report | Documentation accuracy rate above 98% | Incomplete or inaccurate documentation | Y | N |
| 1.6 | Return to Service Approval | Senior Director-System Locomotive Facility | Umler | Overhaul completion report | Service approval document | Average time from overhaul start to return above 10 days | Delays in obtaining service approval | Y | Y |
| 1.7 | Post-Overhaul Monitoring | Service Operator | NetControl | Service approval document | Performance monitoring report | No critical failures in first 30 days of service | Undetected issues leading to operational disruptions | Y | N |
| 1.8 | Feedback and Continuous Improvement | Senior Manager-Mechanical Engineering | TRAIN II | Performance monitoring report | Continuous improvement plan | Improvement plan implementation rate above 70% | Lack of feedback leading to inefficiencies | Y | N |
| 1.9 | Safety Audit and Compliance Check | Manager-Locomotive Maintenance | I-ETMS | Continuous improvement plan | Compliance check report | Compliance rate above 90% | Non-compliance with safety standards | Y | Y |
| 1.10 | Final Documentation Update | Manager-Mechanical Maintenance | Umler | Compliance check report | Updated locomotive record | Documentation update accuracy rate above 95% | Outdated records leading to operational issues | Y | N |
| 1.11 | Post-Overhaul Review Meeting | Senior Director-System Locomotive Facility | TRAIN II | Updated locomotive record | Meeting minutes | Review meeting attendance rate above 80% | Low participation leading to missed insights | Y | N |
| 1.12 | Close Out and Handover | Service Operator | NetControl | Meeting minutes | Overhaul process closure document | Average time from completion to closure under 3 days | Delays in closing out processes | Y | N |
📊 KPIs & Risk Register
KPIs
Overhaul backlog reduction by 10% monthly Average inspection time under 2 hours Component replacement accuracy rate above 95% First-time pass rate on tests above 85% Documentation accuracy rate above 98% Average time from overhaul start to return above 10 days No critical failures in first 30 days of service Improvement plan implementation rate above 70% Compliance rate above 90% Documentation update accuracy rate above 95% Review meeting attendance rate above 80% Average time from completion to closure under 3 days
Key Risks
Air brake test defect released to the road Non-compliance with safety standards Outdated records leading to operational issues Low participation leading to missed insights Delays in closing out processes
Swim Lanes
Manager-Locomotive Maintenance · 1.1, 1.5, 1.9 Electrician (locomotive) · 1.2, 1.4, 1.7 Machinist · 1.3 Senior Director-System Locomotive Facility · 1.6, 1.11 Manager-Mechanical Maintenance · 1.5, 1.10 Senior Manager-Mechanical Engineering · 1.8