I would love to get the crane manufacturer to tell me the loads. There is only one problem. The crane manufacturer will not provide the design information until there is an order and the client will not place the order until a later date in order to avoid having to cough up the down payment...
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?
I would not concern myself with the placement tolerances. All the tolerances are doing is limiting the erector from making a poor concrete section that will not behave as designed. Just use a "d" from the extreme compression fiber to the centroid of your steel.
A soffit is the underside of...
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...
