How can employers ensure adequate worker supervision during manhole works?

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Employers Must Ensure Adequate Worker Supervision During Manhole Works

Employers are mandated to ensure that workers engaged in manhole works receive adequate supervision. This directive follows an incident where two employees sustained injuries in a flash fire at a sewer manhole, prompting the Ministry of Manpower (MOM) to order a suspension of similar operations for the involved contractor. The ministry has stressed the need for a thorough review of safety protocols and risk assessments before work can resume.
Comprehensive Risk Assessments are Required

Underground infrastructure, such as sewerage and waste pipes, can generate flammable gases. MOM has highlighted that employers are responsible for conducting comprehensive risk assessments to identify potential fire and explosion hazards. Implementing appropriate controls based on these assessments is crucial for worker protection.
Worker Briefing and Hazard Communication

Beyond physical controls, employers must ensure workers are thoroughly briefed on the specific hazards associated with manhole works. This includes detailed information on safe-work procedures. Such communication is a fundamental aspect of ensuring workers understand the risks and how to mitigate them.
General Supervision Practices in Confined Spaces

While specific details on supervision methods for manhole works are not elaborated, general safety principles for confined spaces typically involve ensuring that a competent person is present to oversee operations. This supervisor is responsible for monitoring the work environment, the progress of the task, and the immediate well-being of the workers within the confined space. This often includes regular checks on atmospheric conditions and ensuring adherence to established safety protocols, such as communication procedures and emergency response plans.
Strengthening Safety Protocols Before Resumption

The contractor involved in the recent incident has been directed by MOM to review and reinforce its safety protocols. This implies a need to not only identify existing shortcomings but also to implement strengthened measures that address the specific risks of working in environments like sewer manholes. This proactive step is essential for preventing future accidents and ensuring the safety of the workforce.

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How can employers ensure adequate worker supervision during manhole works?

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