⚠️ Critical Safety Rules Near Overhead Power Lines
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Never erect a polytunnel underneath or close to overhead power lines.
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Ensure every worker understands the dangers associated with:
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Moving long components (hoops, ridge bars, crop bars, ladders).
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Erecting or dismantling the structure.
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Handling plastic sheeting in windy conditions.
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📝 Before You Start Work
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Survey the site for overhead power lines.
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Contact your local Electricity Company at least 1–2 weeks before work begins. They will advise on safe working distances and procedures.
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Do not assume power lines can be switched off.
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The safest approach is simple: stay well away from live overhead lines.
🚚 Transporting Materials Safely
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Always carry long objects such as poles, rails, or ladders horizontally when moving beneath or near overhead lines.
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Never lift or raise components into the air until you are well clear of any cables.
🌬️ Working With Polythene in Wind
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Secure plastic sheeting before lifting it into position.
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Avoid attempting to fit covers in strong winds — the risk of loss of control is high.
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Once fitted, ensure the cover is fully tensioned and locked in place.
🧭 Think Ahead — Planning & Mapping
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Mark the location and voltage of overhead lines on your farm maps.
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Your Electricity Company can supply this information and provide free safety advice.
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Minimum clearances:
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5.2 metres (17 ft) from the ground for overhead lines.
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Some live equipment on poles may be as low as 4.3 metres (14 ft).
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Make sure all workers and contractors know:
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The height and reach of their machinery.
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The maximum lift height of any equipment used.
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✔️ Summary — Safe Polytunnel Installation Checklist
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Site checked for overhead lines
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Electricity Company contacted for guidance
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Workers briefed (including non‑English speakers)
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Long components carried horizontally
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Polythene secured and fitted only in safe weather
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Machinery height confirmed and within safe limits
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Overhead line locations marked on farm maps
