... Span in Area D is double span,its span is 59 meters,30mt capacity overhead crane,its eave ... height is 19.5 meters;Area A,D and B,C ... =0.5KN/m2.3. Crane load:the crane is 20mt crane,the load in crane specifications are characteristic loads.4 ... M2) if have4)Earthquake load if have5)Crane (if have), Crane span, crane lift height, max lift capacity, max wheel ...