Construction work planning support device

A construction work planning support device comprising:

• a first planning support processing element configured to recognize a space occupancy mode of a building, topography of an area around the building and a space occupancy mode when lifting a material as a suspended load;
• a type selection support processing element configured to determine, based on the space occupancy mode of the building, the topography of a specified place included in the area around the building and the space occupancy mode of the material recognized by the first planning support processing element, presence/absence of a crane of a type satisfying specified conditions including a first specified condition of having such a load-lifting level that an interval between an upper end of the building and a lower end of the material is equal to or larger than a threshold in a state where the crane is arranged at the specified place and an attachment is in a specified posture;
• and
• a second planning support processing element configured to make an output interface output information regarding a determination result by the type selection support processing element.