10-02-2016, 07:29 PM
(10-02-2016, 05:37 PM)KevinL Wrote: I'm not so sure it's the SAME holes, as such. Good prctice on this project seems to be to avoid shifting of infrastructure and erosion of ballast by following this method; it make sure all the new pipes, conduits, supports, etc that they install don't budge.
Well, I won't pretend to be an expert on this. There are perhaps good reasons for doing it this way. But I can tell you that sometimes at least, it is the same hole.