Sample interview questions: Can you explain the process of inspecting plumbing systems for the prevention of Legionella growth in hospitality or lodging establishments?
Sample answer:
Plumbing Inspection Process for Legionella Prevention in Hospitality and Lodging Establishments
1. Visual Inspection:
- Inspect water storage tanks, heaters, and distribution systems for corrosion, scale, sediment, and biofilms.
- Examine faucets, showerheads, and other end-use devices for signs of water stagnation and biofilm buildup.
2. Water Temperature Monitoring:
- Verify that the domestic hot water temperature is at or above 140°F throughout the system.
- Check cold water temperatures to ensure they remain below 68°F.
3. Flow Rate Verification:
- Measure water flow rates at end-use devices to ensure they meet minimum requirements.
- Identify areas with low flow or dead legs where water stagnation may occur.
4. System Disinfection:
- If biofilms or Legionella are detected, recommend chemical or thermal disinfection procedures.
- Supervise the disinfection process and verif… Read full answer
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