4. How should this fire be ventilated?
| Answer: | |
| Horizontal ventilation 3rd floor windows | |
| Horizontal ventilation 4th floor windows | |
| Horizontal ventilation stair landing windows | |
| Horizontal vent opposite attack | |
| Horizontal vent in coordination with attack | |
| Vertical ventilation of natural opening above | |
| Vertical ventilation of soil pipes and other natural openings at roof level | |
| Fog vent after knockdown | |
| PPV after fire is extinguished to clear area |