Some manufactures do not provide corner point loads for roof top units or sometimes this information is not available and only the total weight of the unit is known. When it is know that the center of gravity is not dead center what would be a good factor to increase the point loads by? For...
While trying to determine the size of open web steel joist supporting a roof I found a tag on the joist but it seams to be a fabrication tag. The tag states "18746J3 GUILLE". The joist measure 16" deep...most likely a 16K. Any tips on how to determine what 16 series the joist is? There are no...
We have an existing flat roof 35' x 35' that was under designed and needs additional support. The flat roof is currently supported by 22k7 open web steel joists 5'-7" O.C (35' span). Based on structural calcs, the existing joist spacing is insufficient. We are proposing to add additional 22k7's...
