Problem: The picture below shows apparently false defline (Dline) errors. What's up with those?
Cause: Look at the riser nipple 'clam-shells'. The opening does not line up with any piping. The user inserted the riser nipples and then rotated the drawing. (side-note, he should have just changed his crosshairs to align with the sloping building by using the Set X-hairs by Picking command from the HydraCAD Utilities toolbar).
Solution: Triple-click on a riser nipple. Pick the Spin button until the openings line up as they should. Pick Apply or Select VP to finish this one and go on to another.
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