It is possible. There are many companies who promote microfiber duct systems for drops, which are designed to not be very deep. This would suggest it is not a problem in small plastic conduit. But they would be a good source for more information. Clearfield is one that comes to mind as pushing microduct.
On Mon, Nov 6, 2017 at 5:17 PM, Adam Moffett <dmmoff...@gmail.com> wrote: > So we buried a 3/4 PVC conduit about 8" deep for a drop cable. Due to > obstacles, that's as deep as it was realistically going to go. Now > somebody is wondering whether ice in the conduit is going to be a problem. > We're assuming in the long run water will always get in, but the question > is whether it'll hurt the fiber when it freezes. > > The person doing the wondering speculates that when the ice expands it > will crush the cable and damage the fibers. Is this actually possible? > >
