When is a follow-on survey not required?

A follow-on survey is typically conducted to assess the conditions and safety of an environment after a specific event or observation has taken place, primarily related to heat exposure. The correct context for when a follow-on survey is not required is linked to the particular duration and conditions of safety operations.

In situations when the stay time is greater than normal watch, it suggests a longer period of exposure or monitoring has occurred, which may require further evaluation to ensure that safety standards are met and that no heat-related injuries have taken place. This extended exposure could create a need for a follow-on survey to ascertain the safety of the environment and personnel.

In contrast, during normal watch, under significant temperature increases, or even in the absence of heat injury, there may still be underlying conditions that necessitate a survey to assess risk levels properly. Each of these scenarios could still leave room for potential hazards or risks that could compromise safety, thereby justifying a follow-on survey. The essential reason for not requiring a follow-on survey is closely tied to the specific parameters and safety protocols governing the situation and the need for an assessment based on duration and conditions of exposure.