Replies to post #58501 on Niocorp Developments Ltd (NB)

[tedro84]

Not that I think it matters in this case, but this is incorrect. That’s a maximum for building code purposes. Average is 12”. I did a bit of research on this topic a few years back for an unrelated project.

https://pbs.twimg.com/media/DWqpsOPX4AUrGHO?format=jpg&name=medium

https://www.weather.gov/mbrfc/frost

https://www.weather.gov/ncrfc/LMI_FrostDepthMap