I have a roof plan for a building constructed circa 2005 which denotes the LH-series longspan joists as the following:
48.5 LH
50.0/48.5 LH
51.5/48.5 LH
53.0/48.5 LH
54.5/48.5 LH
56.0/48.5 LH
This is obviously different from the LH joist notation that I am used to seeing (e.g. 48LH15). Is...