cpiedra23, Jstephen, Ron, many thanks for your replies.
This mechanism will be installed on pre-existing buildings. It will contain a refrigeration cycle and weigh more than 2000kg (nothing at all like a bulldozer). It will be more similar to a solar panel. So in this case, it will be...
I need to determine the max. allowable load (in pounds per square feet) on rooftops of buildings for a project I am working on (involving heavy machinery). I need to determine this for various countries. I will start with the U.S (which may differ from state to state). Does anyone have any...