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Understanding the Results

Now that we have completed an inclination test on site with the CCTV truck, let’s inspect the data and see what the graphs look like.

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There is a ‘rule of thumb’ known as McGuire’s Rule which is very old and was born out of a time where the most common pipe material was clay, which states for small diameter foul water pipes:

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Because of this, a high level of accuracy is needed with the vertical confidence on GPS equipment, because even a few millimetres error can have damaging effects on the results.

Review the Results in WinCan VX

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