Which of the following would NOT trigger the need for an ISO to be present during an incident?

In the context of incident management, the presence of an Incident Safety Officer (ISO) is crucial for ensuring the safety of personnel and mitigating risks during incidents. When considering the factors that necessitate the presence of an ISO, certain characteristics of the incident are significant.

A typical incident generally involves routine operations where risks are well-known and manageable. In such situations, standard safety precautions and protocols are already in place, allowing frontline personnel to operate effectively without the need for an additional safety oversight role such as an ISO. Typical incidents do not introduce new complexities or unforeseen dangers that would require the specialized focus of an ISO.

On the contrary, incidents that are difficult, lengthy, or complicated often involve greater uncertainties, increased potential for hazards, and require more meticulous attention to safety. These scenarios are likely to present challenges that could impact the safety of the team, thus justifying the need for an ISO to monitor conditions, assess risks, and implement appropriate safety measures.

Therefore, the absence of a need for an ISO during a typical incident makes that answer the correct choice, as it describes a situation where the risks and operational dynamics are familiar and manageable by the existing team.