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  • Users: Commandant
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  1. Commandant

    crane loads

    We have a client that wants us to make a last minute change and add a 40 ton crane with a 40’-0” span to a building that has foundations being poured next week. Does anyone know where I can get the loading information?
  2. Commandant

    Marcrest joists

    I'm doing a retrofit on an existing building that has "Marcrest" joists. These are not your ordinary SJI joists. They have angles for the top and bottom chords and pipe with crushed ends for lattices. I'm convinced that these are from a manufacturer who is no longer around. Does anyone have...

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