1. **반지하 방 (Semi-basement Room) in English:**
The room you're describing is typically called a "semi-basement" or "garden-level apartment" in English. These are rooms or apartments that are partially below ground level, with windows close to the ground, often at or just above the foundation line.
2. **Handling Water Damage from Windows in a Semi-basement:**
When water enters through windows in semi-basement rooms, it can cause significant damage, including soaking carpets, damaging walls, and leading to mold growth. Here's a typical remediation process for such situations:
- **Initial Cleanup:** The first step is to remove all standing water using pumps, wet vacuums, or other water extraction tools. Wet carpets, rugs, and furniture are often removed to prevent further water absorption and mold growth.
- **Drying and Dehumidification:** After removing the water, the area is thoroughly dried using fans and dehumidifiers to remove excess moisture from the air and prevent mold.
- **Wall and Flooring Removal (if necessary):** If the water has seeped into the walls and floors, drywall and insulation may need to be removed and replaced. Carpets and flooring may also need to be removed, as in your example where the carpet and parts of the wall were replaced.
- **Mold Remediation:** If there’s any mold growth, professional mold removal is often necessary. This step ensures that any spores left from water damage are properly treated.
3. **Exterior Window Solutions:**
- **Waterproofing:** To prevent further water intrusion, sealing around the windows using waterproof caulking or sealant can be effective.
- **Window Well Installation:** For semi-basements, a "window well" can be installed around the exterior of the window, which creates a barrier that directs water away from the window, often incorporating a drainage system. Covering these wells with plastic or metal grates can also help keep debris and rainwater out.
- **Drainage Systems:** Installing or maintaining proper exterior drainage systems (such as French drains) ensures that water doesn't pool near the windows during heavy rain.
4. **Is Rainwater Classified as Category 3?**
- **Water Categories:**
- **Category 1 (Clean Water):** Water from clean sources like broken pipes or rain that has not yet been contaminated.
- **Category 2 (Grey Water):** Water that has become contaminated with chemicals, detergents, or other substances, but not sewage.
- **Category 3 (Black Water):** This is the most severe category, including water from sewage, rivers, or any water that has sat for too long and become highly contaminated.
Rainwater that enters directly from outside might **not initially** be Category 3. However, if the water has traveled through soil, carried debris, or has been stagnant for a long period, it could become **Category 2 or 3**, especially if it picks up contaminants along the way.
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