Sample interview questions: Can you describe a time when you successfully resolved a complex drain issue?
Sample answer:
Certainly! One time, I encountered a complex drain issue where a residential property was experiencing recurring blockages in their main sewer line. Upon arrival, I conducted a thorough inspection of the drain system using specialized camera equipment to identify the root cause of the problem. I discovered that a combination of tree roots, grease buildup, and solid debris had accumulated over time, leading to frequent backups.
To successfully resolve this complex drain issue, I employed a multi-step approach. Firstly, I used a high-pressure water jetting technique to clear out the tree roots and break up the accumulated grease and debris. This method effectively removed the immediate blockage and restored the flow temporarily, but it was crucial to address the underlying issues to ensure a long-term solution.
Next, I recommended the installation of a backflow preventer to prevent any future occurrences of tree root infiltration. This device acts as a barrier, allowing water and waste to flow out of the property… Read full answer
Source: https://hireabo.com/job/12_0_10/Drain%20Technician