Sample interview questions: Can you explain the process of inspecting plumbing systems for the prevention of Legionella growth in educational facilities?
Sample answer:
Inspection Process for Legionella Prevention in Educational Facilities
1. Risk Assessment:
- Identify potential sources of Legionella growth, such as water storage tanks, showerheads, and faucets.
- Assess the water temperature, pH, and nutrient levels to determine the potential for bacterial proliferation.
2. Sampling and Testing:
- Collect water samples from various points in the plumbing system, including:
- Cold water taps
- Hot water taps
- Showerheads
- Water storage tanks
- Test samples for the presence of Legionella bacteria using certified laboratory methods, such as culture or polymerase chain reaction (PCR).
3. Inspection of Components:
- Inspect water storage tanks for signs of corrosion, leaks, or sediment buildup.
- Check showerheads for blockages or excessive water droplets.
- Examine faucets for loose O-rings or washers that may promote bacterial growth.
- Inspect pipelines and … Read full answer
Source: https://hireabo.com/job/12_0_7/Plumbing%20Inspector