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Overall Goal of a System Engineer?
To improve the reliability, efficiency, and overall performance of our systems
What are objectives of systems engineering? How do they accmploish goal?
- Prevent failures from occuring
- Develop a system monitoring plan
- 1. Define Functions
- 2. Define Failure Modes
- 3. Define Condition Indicators (what can be measured and analyzed to predict and prevent failures)
Example of a Monitoring Plan
- Heat Exchanger System
- Function: Heat Removal
- Failure Modes: Fouled Tubes, Motor Degredation or Failure, Pump Size, Shaft Sheer, Pipe Break, etc.
- Condition Indicators: Bearing Temperature, Motor Current, D/P, oil analysis, vibrations, flow rate, etc.
What is System IQ and how does it help engineers?
- What: Tool to organize, gather, and analyze data.
- Help Engineers:
- 1. Collect Data
- 2. Monitor/Trend Data (expectation of 4 hours per week)
- 3. Document Actions
- 4. Communicate
Sources of System Monitoring
- IPDADS – Integrated Performance Database and Analysis System
- Database from maintenance PM’s
- CORA – Operations data from AO’s and CR logs
- Plant IQ – Condition Noification reports (CNR)
- Records results from PM’s (thermography, lube oil analysis, vibration analysis)
- Daily PVARS
- Talking w/ Maintenance/Operations
Ways to monitor and trend
- System IQ alarms
- Manual Spreadsheets
- Manual Review of PI
- CORA logs, etc.
How we document actions
- System narrative Log in System IQ
- Action Plans (page 8 of Handbook)
- Red/Yellow System Recovery Plans
- Significant Issue Action Plans
- M-Rule Action Plans (a)(1)
How we communicate
- System Health Report: communicate general effectiveness of programs/process/systems in order to maintain system material condition and performance
- GOAL: To focus the site's limited resources and attention to where they are needed the most
Performance Areas of System Health Reports
- 1. Operational Performance
- 2. Material Condition
- 3. M-Rule
- 4. System Performance Monitoring
- 5. Significant Issues
- 6. Life-Cycle Management
Example of Operational Performance
- Unplanned LCO entry
- Significant OD/FA
- Operator Work Arounds
Example of Material Condition
- Walkdown results
- Online Corrective Backlog
Example of M-Rule
Example of System Performance Monitoring
- Predictive Maintenance
- Inservice Testing
- System Health Trends and Critical Equipment Failures
Example of Significant Issues
Per handbook definition
Example of Life-Cycle Management
- Single Point Vulnerabilities
- Margin Management Issues
- Long Range Planning
Differences between Component Health Reports and System Health Reports
Not much difference, format is basically the same except system health includes M-Rule “Different way to slice the pie”
What would you like to do?
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