Which of the following is NOT one of the three forms of size-up for an incident?

Size-up is a critical process that emergency responders use to assess an incident effectively. The three recognized forms of size-up typically include visual assessments, reconnaissance, and preplanning.

The option described as operational does not fit into the standard categories of size-up as it is more of an ongoing critical assessment made during an incident rather than a distinct form of size-up like the others.

Visual assessments involve the immediate observation of the scene to gauge conditions, hazards, and the overall situation. Reconnaissance refers to a deeper investigation and observation of the scene and its surroundings to understand potential risks and resources needed. Preplanning involves preparing for potential incidents before they occur, ensuring knowledge of likely scenarios and responses.

By understanding these three forms, emergency responders can better prepare for and manage incidents effectively.