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Safe Practices in Action: Confined Space Work at the PolyU Kowloon Tong Student Hostel

We - Explore

In our January 2025 issue, we introduced the key updates in the revised Code of Practice for Safety and Health at Work in Confined Spaces issued by the Labour Department. This month, we take a closer look at how these guidelines were put into practice during the construction of the PolyU Kowloon Tong Student Hostel.

Risk Assessment: The First Line of Defense

Risk Assessment: The First Line of Defense

Before any confined space (CS) work began, a comprehensive risk assessment was conducted. This included a thorough review of work methods, materials, and potential hazards, as well as an on-site investigation to assess the location and condition of the confined space.

Safety Information at a Glance

Safety Information at a Glance

To ensure transparency and preparedness, key safety documents—including the work notice, risk assessment report, permit-to-work certificate, and safe work procedures—were clearly displayed at the CS entrance before work commenced.
Atmospheric Testing: Safety in the Air

Atmospheric Testing: Safety in the Air

To make sure it was safe to enter the CS, a competent person remained stationed outside the CS to perform atmospheric testing using a calibrated gas detector. This ensured the air inside was free from hazardous gases like hydrogen sulphide and carbon monoxide, and that oxygen levels were safe for entry.

Permit-to-Work: Green Light for Safety

Permit-to-Work: Green Light for Safety

Once all safety measures were in place and atmospheric testing confirmed safe conditions, a Permit-to-Work Certificate was issued. Only then could certified workers begin their tasks inside the CS.

Personal Protective Equipment: Equipped for Safety

Personal Protective Equipment: Equipped for Safety

Workers entering the CS were fully equipped with personal protective equipment (PPE) as outlined in the risk assessment. This included gas detectors, alarm devices, protective clothing, helmets, harnesses, goggles, ear protection, and safety shoes.
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Supervision & Monitoring

On-site supervisors remained outside the CS to oversee operations and ensure compliance with safety protocols. In line with the revised Code of Practice, video monitoring was also implemented at the CS entrance and exit throughout the work period for added oversight.

Ongoing Checks & Emergency Readiness

Ongoing Checks & Emergency Readiness

Regular safety checks were conducted during the entire work period. For preparation of emergencies, escape breathing apparatuses were readily available for immediate use.

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