Which of the following is not typically part of a primary size-up?

• A. Occupancy type
• B. Construction
• C. Weather
• D. Distance to nearest hydrant

Answer: (D)

The main idea being tested is what you prioritize in a rapid, initial scene assessment to guide immediate actions. In a primary size-up you focus on factors that directly influence life safety and early tactics: what kind of occupancy you’re dealing with so you understand potential occupants and hazards inside; the building’s construction type to gauge how fire may affect the structure and when it might fail; and the current weather, especially wind, which drives fire spread and ventilation needs. These elements shape your initial approach, safety decisions, and whether you attack from the interior, go defensive, or need to modify your plans.

Distance to the nearest hydrant isn’t part of that immediate hazard assessment. It’s a detail tied to water supply planning and resource management, which you deal with once you’ve established your initial approach and starting to lay out water lines. So the correct choice highlights that hydrant distance, while important, is not part of the primary, on-scene size-up.