How do you handle situations where a backflow prevention device needs to be removed temporarily for water system flushing or cleaning?

Sample interview questions: How do you handle situations where a backflow prevention device needs to be removed temporarily for water system flushing or cleaning?

Sample answer:

1. Notify the appropriate authorities: Inform the local water utility and health department that the backflow prevention device will be temporarily removed for flushing or cleaning.

2. Isolate the device: Shut off the water supply to the device and drain the system downstream of the device.

3. Remove the device: Carefully remove the backflow prevention device according to the manufacturer’s instructions.

4. Cap the lines: Cap the water supply line and the discharge line to prevent water from backflowing into the potable water system.

5. Flush or clean the system: Conduct the necessary flushing or cleaning procedures on the water system.

6. Reinstall the device: Once the flushing or cleaning is complete, reinstall the backflow prevention device as per manufacturer’s instructions.

7. Test the device: Test the backflow prevention devi… Read full answer

   Source: https://hireabo.com/job/12_0_11/Backflow%20Prevention%20Technician