Plumber Red Seal · Question
A building's storm sewer system is experiencing recurrent blockages during heavy rainfall. CCTV inspection reveals significant root intrusion at various joints along the system. What is the most effective long-term repair strategy?
To achieve a long-term solution for root intrusion, the most effective method is to cut out and replace the compromised pipe sections and ensure proper joint se
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Question: A building's storm sewer system is experiencing recurrent blockages during heavy rainfall. CCTV inspection reveals significant root intrusion at various joints along the system. What is the most effective long-term repair strategy?
Answer options:
- Regular chemical root treatment
- Hydro-jetting to clear roots annually ✅ Cutting out and replacing the affected pipe sections
- Installing root barriers around the sewer line
Correct answer: Cutting out and replacing the affected pipe sections
Explanation: To achieve a long-term solution for root intrusion, the most effective method is to cut out and replace the compromised pipe sections and ensure proper joint sealing. While hydro-jetting and chemical treatments offer temporary relief, they do not eliminate the entry points for roots.
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