Capstone Lab
Part of the Data Center Technician training program
Overview
Apply everything you have learned in real-world scenarios using actual data center equipment. This capstone module combines theoretical knowledge with practical skills through supervised exercises.
Sub-topics
Power System Integration
Trace complete power paths, perform load calculations, and verify system integrity. Practice UPS maintenance, generator testing, and PDU configuration.
Lessons
Power Path Verification
Trace from utility to rack outlet. Verify all disconnects. Test continuity. Confirm proper grounding.
Load Bank Testing
Connect to generator output. Run at 75% capacity. Monitor voltage and frequency. Verify transfer to utility.
UPS System Check
Verify battery health. Test bypass operation. Check output voltage. Confirm runtime calculations.
PDU Configuration
Verify phase balancing. Set alarm thresholds. Test network connectivity. Confirm load calculations.
Safety Verification
Confirm all PPE is available. Review LOTO procedures. Verify emergency contacts. Check first aid kits.
Practical Exercises
- Trace and document complete power path from utility to rack
- Perform 30-minute generator load bank test
- Execute UPS battery discharge test
- Balance PDU loads across three phases
- Verify all safety procedures are in place
Safety Checklist
- Verify all LOTO devices are available
- Check PPE for voltage level being worked
- Confirm emergency contacts are posted
- Review LOTO procedure with team
- Verify proper ventilation for area
Required Tools
Cooling System Optimization
Analyze thermal efficiency, optimize airflow, and verify cooling system performance. Practice containment sealing and temperature monitoring.
Lessons
Thermal Mapping
Use thermal imaging to identify hot spots. Check under-floor airflow. Verify containment integrity. Document findings.
Airflow Optimization
Adjust perforated tiles. Seal floor gaps. Install blanking panels. Verify aisle containment.
Cooling Setpoint Adjustment
Lower cooling setpoints to improve efficiency. Monitor for hot spots. Adjust incrementally. Document changes.
Containment Verification
Pressure test containment. Check door seals. Verify strip curtains. Test for air leakage.
Free Cooling Activation
Verify outdoor air temperature. Configure economizer. Monitor efficiency gains. Document operating hours.
Practical Exercises
- Perform thermal imaging of 10 racks
- Optimize perforated tile layout
- Seal containment gaps with foam strips
- Adjust CRAC supply temperature
- Activate free cooling mode
Safety Checklist
- Verify power is off before containment work
- Use proper lifting for floor tiles
- Check for tripping hazards
- Ensure adequate lighting
- Follow lockout/tagout for CRAC work
Required Tools
Monitoring & Response Drill
Simulate critical incidents and execute response procedures. Practice using DCIM dashboards, responding to alerts, and communicating with stakeholders.
Lessons
Incident Simulation Setup
Configure simulated alarms. Set up monitoring dashboards. Prepare communication channels. Brief response team.
Response Execution
Acknowledge alerts. Assess impact. Execute runbook. Communicate status. Document actions.
Communication Protocol
Internal: Email, chat, phone. External: Customer notifications. Status updates: Every 30 minutes. Final report: Within 24 hours.
Escalation Triggers
Time-based: No resolution in 30 minutes. Impact-based: Affecting >10% of IT load. Uncertainty: Unknown root cause. Customer impact: Service degradation.
Post-Incident Review
Timeline reconstruction. Root cause analysis. Action item creation. Knowledge base update. Lessons learned session.
Practical Exercises
- Simulate CRAC failure and execute response
- Test DCIM alert notification
- Execute customer communication protocol
- Complete incident report template
- Conduct post-incident review meeting
Key Formulas
MTTR = Total Downtime / Number of IncidentsAvailability = (Total Time - Downtime) / Total TimeResponse Time = First Alert Time - Incident Detection TimeSafety Checklist
- Verify all team members are trained
- Check communication channels are working
- Review escalation contacts
- Confirm documentation templates are ready
- Test emergency shutdown procedures
Required Tools
Final Assessment Project
Complete a comprehensive facility assessment including load calculations, system verification, safety compliance, and optimization recommendations. Present findings to a review panel.
Lessons
Assessment Planning
Review facility drawings. Identify critical systems. Prioritize assessment sequence. Allocate resources.
Load Calculation Review
Verify panel schedules. Check feeder calculations. Validate demand factors. Identify capacity constraints.
Safety Compliance Check
NFPA 70E compliance. LOTO procedures. PPE availability. Emergency procedures. Fire suppression.
Optimization Recommendations
Energy efficiency improvements. Capacity expansion. System upgrades. Cost-benefit analysis.
Presentation Preparation
Executive summary. Technical findings. Recommendations. Risk assessment. Implementation timeline.
Practical Exercises
- Conduct complete facility power assessment
- Calculate total facility load and identify constraints
- Verify all safety compliance items
- Create optimization recommendations report
- Present findings to assessment team
Key Formulas
Total load = Connected load × Demand factor × ContingencyPUE = Total facility power / IT equipment powerAvailable capacity = Panel rating - Existing load - Safety marginSafety Checklist
- Review all drawings before entering space
- Verify all circuits identified before work
- Use proper PPE for each task area
- Maintain communication with team members
- Secure all tools and materials when complete
Required Tools
Learning Objectives
- Execute complete power system verification and maintenance procedures
- Optimize cooling efficiency through airflow management and containment
- Respond to simulated critical incidents using established procedures
- Complete comprehensive facility assessment with actionable recommendations
- Demonstrate safe work practices throughout all lab exercises
- Pass practical competency assessment covering all previous modules