Actual job location: Seocho-gu, Seoul
Floor-drain backflow in a 10 m branch
- Symptom
- Black water repeatedly backed up through a Seocho-gu floor drain despite cleaning near the trap.
- Diagnosis and work
- Camera inspection identified a blockage deep in an approximately 10 m horizontal run. Long-reach spring and pressure-cleaning equipment cleared the full line.
Video posted 2026-07-11. The posting date is not presented as the job date.
