RR-05 RR-05-05-02 — Wayside Detector Network (hot bearing, wheel impact, acoustic)

This process involves the monitoring and response to hot bearing, wheel impact, and acoustic detector alerts from wayside defect detectors on Union Pacific's rail network. It ensures timely identification and resolution of potential safety issues to prevent derailments and maintain operational integrity.

🗺 BPMN Process Flow

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📋 Process Attributes

Process ID	RR-05-05-02
Domain Family	OPERATIONS
L1 Domain	Mechanical & Rolling Stock
L2 Process Group	Wayside Detector Network (hot bearing, wheel impact, acoustic)
Trigger	Detection of a hot bearing, wheel impact, or acoustic anomaly by the Wayside Defect Detector Network
Outcome	A safe and uninterrupted operation with identified issues resolved promptly to comply with regulatory standards and ensure rail safety.
Systems	Wayside Defect Detector Network NetControl I-ETMS Wabtec Modular Control Architecture Downing B. Jenks Shop EHMS Umler TRAIN II PS Technology
Regulatory Hooks	49 CFR Part 232 49 CFR Part 215 AAR Interchange Rules

📋 L4 Process Steps

Step	Name	Role	System	Input	Output	KPI	Pain Point / Risk	Decision?	Exception?
1.1	Alert Detection	Control Operator	Wayside Defect Detector Network	Detector data	Alert notification	Response time to alert under 5 minutes	False positives leading to unnecessary investigations	Y	N
1.2	Initial Assessment	Service Operator	NetControl	Alert notification	Assessment report	Correct assessment rate above 90%	Inaccurate data interpretation leading to missed issues	Y	Y
1.3	Dispatch Response Team	Train Dispatcher	I-ETMS	Assessment report	Response instructions	Average response time under 10 minutes	Delays in dispatching the correct team	Y	N
1.4	Field Inspection	Electrician (locomotive)	Wabtec Modular Control Architecture	Response instructions	Inspection report	Inspection completion rate above 95%	Difficult access to remote locations	Y	Y
1.5	Repair or Replacement	Machinist	Downing B. Jenks Shop	Inspection report	Repair order or replacement request	Repair turnaround time under 24 hours	Limited capacity in repair shops	Y	N
1.6	Verification of Repair	Service Operator	EHMS	Repair order or replacement request	Verification report	Verification accuracy rate above 98%	Inconsistent repair quality	Y	Y
1.7	Update Defect Database	Manager-Mechanical Maintenance	Umler	Verification report	Updated defect database	Database update accuracy rate above 95%	Data entry errors	N	N
1.8	Review and Reporting	Senior Manager-Mechanical Engineering	TRAIN II	Updated defect database	Monthly report	Report accuracy rate above 90%	Complex data aggregation	Y	N
1.9	Continuous Improvement	Service Design / Network Planning Analyst	NetControl	Monthly report	Improvement plan	Implementation rate of improvement plans above 80%	Resistance to change	Y	N
1.10	Training and Awareness	Manager-Locomotive Maintenance	PS Technology	Improvement plan	Training materials	Training completion rate above 95%	Low engagement levels	N	N
1.11	Regulatory Compliance Review	VP Network Planning & Operations	I-ETMS	Training materials	Compliance report	Compliance rate above 98%	Complex regulatory requirements	Y	N
1.12	Final Approval and Deployment	Chairman, President and CEO	NetControl	Compliance report	Deployment order	Deployment accuracy rate above 90%	Resource allocation	Y	N

📊 KPIs & Risk Register

KPIs

Response time to alert under 5 minutes Correct assessment rate above 90% Average response time under 10 minutes Inspection completion rate above 95% Repair turnaround time under 24 hours Verification accuracy rate above 98% Database update accuracy rate above 95% Report accuracy rate above 90% Implementation rate of improvement plans above 80% Training completion rate above 95% Compliance rate above 98% Deployment accuracy rate above 90%

Key Risks

False positives leading to unnecessary investigations Inaccurate data interpretation leading to missed issues Delays in dispatching the correct team Difficult access to remote locations Limited capacity in repair shops Inconsistent repair quality Data entry errors Complex data aggregation Resistance to change Low engagement levels Complex regulatory requirements Resource allocation

Swim Lanes

Control Operator · 1.1 Service Operator · 1.2, 1.6 Train Dispatcher · 1.3 Electrician (locomotive) · 1.4 Machinist · 1.5 Manager-Mechanical Maintenance · 1.7, 1.10 Senior Manager-Mechanical Engineering · 1.8 Service Design / Network Planning Analyst · 1.9 VP Network Planning & Operations · 1.11 Chairman, President and CEO · 1.12

Independently compiled from public sources. Not affiliated with, sponsored by, or endorsed by Union Pacific or any other railroad. Illustrative of US Class I practice; every system, regulation, role and metric named here traces to a sourced entry in registries/.