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  • Users: trishd
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  1. trishd

    Roof Loading

    I am checking the design of an existing roof system that is comprised of steel OWSJ, decking and roofing. The roof has to be designed to store an average depth of 4" of rain water. Using the Ontario Building Code, we generally check a roof for 1.5x (snow plus factored rain). In this case...
  2. trishd

    Concrete Spalling

    I have an existing concrete beam (interior) that is subject to constant high temperatures (around 142F, 62C). At the interface between the roof deck and the beam, concrete is spalling from the face of the beam. There is no visible stress cracks on the surface of the beam, the beam has not been...

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