Effective damage assessment in terms of disaster management is proposed, which consists of both visual survey based on damage patterns of buildings for prompt service and resurvey for citizen's assent to the assessed damage. Problems which Nishinomiya City encountered in issuing certification of building damage reveals an extent of visual survey and necessity of resurvey in issuing process. Difference between two visual surveys of buildings damaged by the Hanshin-Awaji Earthquake Disaster in Tsukiji District, Amagasaki City shows difficulty in finding differential settlement caused by liquefaction and integrated damage patterns of buildings are proposed for effective field investigation.
