Topic: Thrust Blocks for Buried Pipe
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How to find a water carrying 6" pipe, mostly blocked, that is bur...
push a flexible metal rod (you may be able to use a coil of flexible drain rods). Mark the point on the rod when you hit the blockage, withdraw the rods and measure from the mark to the end of the rod. This will give you the distance to the... Read More »
Source: http://uk.answers.yahoo.com/question/index?qid=20090430124156AA9Z...
