Sample interview questions: Have you ever had to work on drain systems affected by tree roots or other natural obstructions? If so, how did you address the issue?
Sample answer:
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Inspect the Drain System:
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Use a drain camera to inspect the drain lines and identify the location and extent of the root intrusion or natural obstruction.
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Locate the Source of the Obstruction:
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Determine the type of tree or plant causing the root intrusion.
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Identify any other natural obstructions, such as rocks or soil buildup.
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Clear the Obstruction:
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Use a root cutter to sever the roots encroaching on the drain line.
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Remove any other natural obstructions causing the blockage.
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Repair the Drain Line:
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If the drain line is damaged due to the obstruction, repair or replace the affected section.
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Use materials resistant to root intrusion, such as PVC or cast iron pipes.
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Install Root Barriers:
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Source: https://hireabo.com/job/12_0_10/Drain%20Technician