Repair
Work beyond the scope of regular maintenance to remedy defects, significant decay or damage caused deliberately or by accident, neglect, normal weathering or wear and tear, the object of which is to return the building or artefact to good order, without alteration or restoration.
Reference: Stirlingcharter
(This definition was noted at the IALA Seminar on the Practical Aspects of Lighthouse Preservation in Gothenburg 2005)
