RR-06 RR-06-07-02 — 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. It ensures accurate and up-to-date information is maintained to support safe and efficient rail operations.

🗺 BPMN Process Flow

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📋 Process Attributes

Process ID	RR-06-07-02
Domain Family	OPERATIONS
L1 Domain	Engineering: Track, Structures & Signals
L2 Process Group	PTC Wayside Assets and Subdivision Track Data File Management
Trigger	Scheduled maintenance or detection of an anomaly in PTC wayside assets or track data
Outcome	Accurate and updated PTC wayside asset and subdivision track data files, ensuring compliance with regulatory requirements and operational safety standards.
Systems	NetControl I-ETMS Wabtrax PTC Back Office Server (BOS) FRA Automated Track Inspection Program (ATIP)
Regulatory Hooks	49 CFR Part 236, Subpart I 49 CFR Part 1180 49 CFR Part 213 49 CFR Part 234

📋 L4 Process Steps

Step	Name	Role	System	Input	Output	KPI	Pain Point / Risk	Decision?	Exception?
1.1	Initiate Maintenance Request	Track Supervisor	NetControl	Maintenance request form	Scheduled maintenance work order	Response time within 24 hours of detection	Delays in initiating the maintenance process	Y	N
1.2	Review and Approve Maintenance Plan	Chief Engineer / VP Engineering	Umler	Scheduled maintenance work order	Approved maintenance plan	Plan approval within 48 hours of initiation	Inconsistent review times leading to delays	Y	N
1.3	Conduct Track Inspection	Track Inspector	Wabtrax, FRA Automated Track Inspection Program (ATIP)	Approved maintenance plan	Inspection report	100% coverage of inspection areas	Inaccurate or incomplete inspections	N	Y
1.4	Review Inspection Report	Track Supervisor	NetControl	Inspection report	Defect list and repair schedule	Defect identification accuracy above 95%	Missed or overlooked defects	Y	N
1.5	Schedule Repair Work	Track Supervisor	NetControl, I-ETMS	Defect list and repair schedule	Repair work order	Repair scheduling within 24 hours of inspection report review	Overlapping or conflicting repair schedules	N	Y
1.6	Perform Repair Work	Assistant Foreman (track)	NetControl, I-ETMS	Repair work order	Completion report	On-time repair completion rate above 90%	Delays in completing repairs	N	Y
1.7	Review Repair Completion	Track Supervisor	NetControl, I-ETMS	Completion report	Acceptance or rework order	First-time acceptance rate above 85%	Frequent reworks due to incomplete repairs	Y	N
1.8	Update PTC Data Files	PTC Field Engineer / PTC Technician	I-ETMS, PTC Back Office Server (BOS)	Acceptance or rework order	Updated PTC data files	Data file update accuracy above 98%	Incorrect or incomplete data updates	N	Y
1.9	Verify PTC Data File Update	Signal Maintainer	I-ETMS, PTC Back Office Server (BOS)	Updated PTC data files	Verification report	100% verification accuracy	Data file discrepancies after update	Y	N
1.10	Close Maintenance Request	Track Supervisor	NetControl	Verification report	Closed maintenance request form	Maintenance closure within 24 hours of verification	Delayed closure due to unresolved issues	N	Y
1.11	Review Maintenance History	Chief Engineer / VP Engineering	NetControl, Umler	Closed maintenance request form	Maintenance history report	Historical data accuracy above 95%	Inaccurate historical records	Y	N
1.12	Plan Future Maintenance	Track Supervisor	NetControl, I-ETMS	Maintenance history report	Future maintenance plan	Proactive planning rate above 80%	Inadequate future planning	Y	N

📊 KPIs & Risk Register

KPIs

Response time within 24 hours of detection Plan approval within 48 hours of initiation 100% coverage of inspection areas Defect identification accuracy above 95% On-time repair completion rate above 90% First-time acceptance rate above 85% Data file update accuracy above 98% 100% verification accuracy Maintenance closure within 24 hours of verification Historical data accuracy above 95% Proactive planning rate above 80%

Key Risks

Inaccurate or incomplete inspections leading to missed defects Overlapping or conflicting repair schedules causing delays Incorrect or incomplete data updates affecting PTC functionality Data file discrepancies after update impacting train operations Delayed closure due to unresolved issues

Swim Lanes

Track Supervisor · 1.1, 1.4, 1.5, 1.7, 1.10 Chief Engineer / VP Engineering · 1.2, 1.11 Track Inspector · 1.3 Assistant Foreman (track) · 1.6 PTC Field Engineer / PTC Technician · 1.8 Signal Maintainer · 1.9

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/.