Sample interview questions: Have you ever had to work on a residential plumbing project that involved repairing or replacing damaged sewer lines? How did you approach it?
Sample answer:
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Assessed the extent of the damage: Inspected the sewer lines using a camera or other diagnostic tools to determine the location, severity, and cause of the damage.
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Isolated the damaged section: Shut off the water supply to the affected area and isolated the damaged section of the sewer line to prevent further damage and minimize disruption to the rest of the plumbing system.
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Excavated the damaged section: Dug up the area around the damaged sewer line, taking care not to damage any other underground utilities or structures.
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Repaired or replaced the damaged section: If the damage was repairable, repaired it using appropriate materials and techniques. If the damage was too extensive or the pipe was beyond repair, replaced the damaged section with a new section of sewer pipe.
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Inspected and tested the system: Once the repair or replacement was complete, thorough… Read full answer
Source: https://hireabo.com/job/12_0_5/Residential%20Plumber