<BLOCKQUOTE class="ip-ubbcode-quote"><div class="ip-ubbcode-quote-title">quote:</div><div class="ip-ubbcode-quote-content">Originally posted by TXSUT:
<BLOCKQUOTE class="ip-ubbcode-quote"><div class="ip-ubbcode-quote-title">quote:</div><div class="ip-ubbcode-quote-content">Originally posted by PhilD:
The angle of the road, bumps, etc, can also make a slight difference, so you should always add a couple of inches for margin.
</div></BLOCKQUOTE>
And don't forget incorrect clearance measurements, or like in my parking garage at work, failure to update the measurements after adding a new fire sprinkler system.
</div></BLOCKQUOTE>
And a new layer of blacktop.