RR-06 RR-06-07-03 — PTC Wayside Assets and Subdivision Track Data File Management

This process manages the maintenance and updating of Positive Train Control (PTC) wayside assets and subdivision track data files for a US Class I freight railroad, ensuring compliance with regulatory standards and operational safety.

🗺 BPMN Process Flow

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📋 Process Attributes

Process ID	RR-06-07-03
Domain Family	OPERATIONS
L1 Domain	Engineering: Track, Structures & Signals
L2 Process Group	PTC Wayside Assets and Subdivision Track Data File Management
Trigger	Detection of a discrepancy or failure in PTC wayside equipment by Track Supervisor or Signal Maintainer during routine inspections or through automated systems like Wabtrax or ATIP.
Outcome	Successful completion results in the accurate and timely update of PTC wayside assets and subdivision track data files, ensuring safe and efficient train operations.
Systems	NetControl I-ETMS PTC Back Office Server (BOS) Wabtrax Umler
Regulatory Hooks	49 CFR Part 236 49 CFR Part 1180

📋 L4 Process Steps

Step	Name	Role	System	Input	Output	KPI	Pain Point / Risk	Decision?	Exception?
1.1	Identify Discrepancy or Failure	Track Supervisor	Wabtrax	Automated inspection report	Discrepancy log	Time to identify discrepancy < 1 hour	False positives from automated systems	Y	N
1.2	Notify PTC Field Engineer	Track Supervisor	NetControl	Discrepancy log	Work order	Time to notify engineer < 30 minutes	Delayed notifications affecting maintenance schedules	N	Y
1.3	Inspect and Diagnose Issue	PTC Field Engineer / PTC Technician	I-ETMS	Work order	Diagnosis report	Time to diagnose issue < 2 hours	Complex issues requiring multiple diagnostic steps	Y	N
1.4	Update PTC Wayside Assets	PTC Field Engineer / PTC Technician	I-ETMS	Diagnosis report	Updated asset data	Time to update assets < 4 hours	Inaccurate data entry affecting system integrity	N	Y
1.5	Verify Data Update	Track Supervisor	I-ETMS	Updated asset data	Verification report	Time to verify update < 30 minutes	Manual verification errors	Y	N
1.6	Update Subdivision Track Data File	Track Supervisor	PTC Back Office Server (BOS)	Verification report	Updated track data file	Time to update track data < 1 hour	Data synchronization issues between systems	N	Y
1.7	Notify Control Operator	Track Supervisor	NetControl	Updated track data file	Notification to Control Operator	Time to notify operator < 10 minutes	Delayed notifications affecting train schedules	N	Y
1.8	Review and Approve Changes	Chief Engineer / VP Engineering	PTC Back Office Server (BOS)	Updated track data file	Approval document	Time to approve changes < 2 hours	Complexity in reviewing large datasets	Y	N
1.9	Implement Changes	Control Operator	NetControl	Approval document	Implemented changes	Time to implement changes < 30 minutes	System downtime during implementation	N	Y
1.10	Monitor System Performance	Track Supervisor	Wabtrax	Implemented changes	Performance report	System uptime > 99%	Monitoring false negatives	Y	N
1.11	Review and Document Incident	Track Supervisor	Umler	Performance report	Incident report	Time to document incident < 2 hours	Detailed documentation requirements	N	Y
1.12	Close Incident	Track Supervisor	Umler	Incident report	Closed incident record	Time to close incident < 30 minutes	Lack of clear closure criteria	N	Y

📊 KPIs & Risk Register

KPIs

Time to identify discrepancy < 1 hour Time to notify engineer < 30 minutes Time to diagnose issue < 2 hours Time to update assets < 4 hours Time to verify update < 30 minutes Time to update track data < 1 hour Time to notify operator < 10 minutes Time to approve changes < 2 hours Time to implement changes < 30 minutes System uptime > 99% Time to document incident < 2 hours Time to close incident < 30 minutes

Key Risks

Data entry errors affecting system integrity Delayed notifications impacting maintenance schedules Complex issues requiring multiple diagnostic steps Inaccurate data synchronization between systems System downtime during implementation

Swim Lanes

Track Supervisor · 1.1, 1.2, 1.5, 1.6, 1.7, 1.10, 1.11, 1.12 PTC Field Engineer / PTC Technician · 1.3, 1.4 Chief Engineer / VP Engineering · 1.8

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/.