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Having prioritised areas for leak location from night flow data, it is then necessary to precisely locate the leak positions, which in the past has been undertaken by staff using various pieces of equipment including the basic 'listening stick'.
However, advanced technology is now available to assist with this activity such as the use of acoustic loggers and specialist leak correlation equipment.
Using this equipment, operatives can pinpoint leak positions very accurately and usually to within 0.5m. Following this activity, leak repair teams are then called and a repair effected. |
