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What Does QL-B Actually Mean? A Simple Guide to AS5488 Utility Surveys

What Does QL-B Actually Mean? A Simple Guide to AS5488 Utility Surveys

by Geoscan | Oct 1, 2026 | News & Insights

Most project teams have seen a plan covered in coloured lines for water, sewer, stormwater, electrical, gas and communications. It’s easy to assume every line has been checked to the same standard. Often that isn’t true. One line might come from a...

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