It's crucial for construction workers, like scaffolders, to be aware of the risks when working near low voltage overhead electric lines. Recent incidents have highlighted the need for clarification on competent electrical workers and their responsibilities for ensuring safety.
Information and guidance for safe practices near powerlines
Understanding competent electrical workers:
To work safely near power lines, it's important to know what a competent electrical worker is. According to Working near Low Voltage Overhead Electric Lines guidance from WorkSafe, a competent electrical worker is a registered individual authorized to perform prescribed electrical work under a current New Zealand practicing license. It is important to seek further clarification if needed to understand the requirements for this designation.
You can search for Registered Electricians on the Electrical Workers Registration Board website.
Exclusive responsibility of Registered Electricians:
Safety is paramount, and only Registered Electricians are permitted to work with power lines. The installation of Tiger Tails/Sleeves on power lines must be done by registered electricians only. It is crucial that no companies or individuals other than Registered Electricians attempt such installations to avoid risks.
Recent incidents and risks:
Incidents have occurred where scaffolders and roofers were at risk of electrocution due to the installation of roof edge protection (REP) near unprotected power lines. The positioning of guardrails allowed roofers to come within 4 meters of the lines, posing a significant danger. Addressing these risks requires joint responsibility and management between roofers and scaffolder installers.
Structural concerns and best practices:
Below is an example of installing scaffold tubes dangerously close to power lines which raises concerns about structural safety and proper installation practices. Failure to follow good practice guidance can render the REP unsuitable for edge protection. It's essential to address these concerns and ensure the safe installation of scaffolding.
The below puts everyone on this job, scaffolders and roofers, at risk of electrocution and falling.
An example of unsafe practice
The role of edge protection in worker safety:
Edge protection plays a vital role in ensuring the safety of workers near power lines. It involves the installation of guardrails, barriers, or other protective measures along the edges of roofs or elevated work areas to prevent falls. In the context of working near power lines, edge protection serves an essential purpose of creating a barrier for preventing falls and accidental contact with powerlines.
The physical barrier created by edge protection creates a safe distance between workers and power lines. By installing guardrails or barriers at a sufficient distance from the lines, workers are prevented from accidentally coming into contact with them, reducing the risk of electrocution.
Ensuring structural integrity and compliance:
While edge protection is crucial for worker safety near power lines, it's equally important to ensure its structural integrity and compliance with industry standards. Improper installation or failure to follow good practice guidance can compromise the effectiveness of the edge protection system. This can lead to structural concerns and make the REP unsuitable to handle the required loads for edge protection. It is essential to prioritise proper installation practices, regular inspections, and compliance with safety guidelines to maintain a secure working environment.
Lessons from past incidents:
Several incidents in recent years, such as homeowners being burnt from electrical discharge, scaffold companies facing prosecution for risking electrocution, and scaffolders suffering severe injuries near high voltage lines, emphasize the need to learn from these incidents. Understanding and addressing them can prevent similar accidents in the future.
Advice for Scaffolders
To work safely near low voltage overhead electric lines, scaffolders should follow these guidelines:
- Treat all lines as live and keep a minimum distance of 4 meters from them, unless assessed by a competent electrical worker.
- Seek advice, and comply with advice and consent given by the competent electrical worker to manage the risk of electrocution.
- Ensure the safety of clients, scaffold users, homeowners, and others by preventing close proximity or contact with power lines while using the scaffold.
Seeking Further Guidance:
Construction workers, especially scaffolders, are encouraged to seek additional advice and information from these sources:
Working safely near low voltage overhead electric lines is crucial for everyone on-site. By understanding the role of competent electrical workers, the exclusive role of Registered Electricians, and the risks associated with power lines, workers can prioritize safety and create a secure working environment. Following best practices, seeking guidance from relevant authorities, and collaborating with experts will promote a culture of safety in the industry, ensuring that everyone goes home safe and unharmed.
