Hello All! I am working on a building that is about 60 feet tall to the roof. However, supported on this roof level are a large number of 40' tall tanks. The tanks are very closely spaced, so it is almost like there is a solid 40' level above the actual building structure. Does anyone ever let...
I'd like to get more than double the capacity if we can with the deeper configuration, but this is also about determining what our maximum new roof load could be. I like the connector plate idea - that sounds better than field welding a butt weld along the flanges, especially with any current DL...
Hello, I am doing a retrofit project on an old industrial building with a central girder (W18x40) supporting roof joists. Sharing the columns with the roof girder is also another W18x40 crane girder. The crane will be removed and the budget is tight, so I would like to use the extra 18x40 to...
I was wondering what the common practice was for determining snow drift loads on a roof depression. If you have a 3' deep trough around the egde of your roof that is surrounded by a parapet wall, I would think that more snow could build up in the trough than the amount calculated with the...