What is a key factor when scheduling hot work in relation to methane levels?

A key factor when scheduling hot work in relation to methane levels is constant monitoring of methane levels in real-time. This practice is essential in ensuring the safety of workers and the surrounding environment when performing hot work, such as welding or cutting, which can generate sparks and potentially ignite flammable gases.

Real-time monitoring allows for immediate detection of any changes in methane concentration, which is critical because even low levels of methane can pose a significant risk in environments where hot work is being conducted. By continuously assessing the air quality, work can be adjusted or halted if dangerous levels of methane are detected, thereby preventing accidents and ensuring compliance with safety regulations.

While other options mention useful practices, they do not replace the necessity of ongoing monitoring. For instance, scheduling work at night may take advantage of reduced activity, but it does not address the immediate risks associated with fluctuating methane levels. Similarly, conducting extensive safety checks or considering past incidents are important aspects of a comprehensive safety plan, but they do not substitute for the immediate and ongoing monitoring required to manage the real-time risks posed by methane during hot work.