Originally Posted by
st8dm
My goal is to make them either to mark dangerous parking slots as unavailable or post parking instructions, and for the long term to permanently fix this issue.
A hotel has a duty to maintain a safe environment, as defined by whatever Health and Safety legislation is in place at that locality. If the sprinkler was placed in such a way as being likely to cause injury to a guest acting reasonably, then that may be a route for you. You don’t say where this Courtyard is; clearly some parts of the world have stronger H&S enforcement than others.