HOW COULD THEY HAVE BEEN AVOIDED
• Correct use of Cable Avoidance Tools, in one case the tool was only used in “Power” mode, restricting its sensitivity.
• Compliance with RAMS, exposing cables at crossing points by hand
• More explicit “Permit to Dig” process with none working supervision in place.
• Additional heavier duty marking of buried services during installation.
KEY REVIEW POINTS
• Are good practices followed when installing new buried services, with ‘Tile Tape’ utility marking as standard for all services, accurate (DGPS) survey control, and updated records?
• Are excavations for trenches, etc. controlled under a specific Permit to Work / Permit to Dig?
• Are CAT scans carried out by specifically trained and competent personnel in accordance with good practices?
• Do we ensure close and effective direct supervision of works near buried services and other high-risk tasks?
This short and shocking video clip which shows operatives engulfed in flames following a cable strike reinforces why following the correct procedures is so important.
HSE has produced guidance on the avoidance of underground electric cables that can be viewed via this link