Methods and apparatus for assessing a locate and marking operation. Ticket information is received as provided to a first locate technician prior to performing the operation. A locate manifest is received including a digital marked-up image of a geographic area surrounding a dig area in which the operation was performed, on which image at least one digital representation of at least one locate mark is electronically overlaid. The locate manifest, at least some of the ticket information, and a plurality of icons representing different possible quality assessments of the locate and marking operation are displayed. The plurality of icons includes an approved icon representing a satisfactory locate and marking operation, a QC icon representing an unsatisfactory locate and marking operation, and a coach icon representing that the first locate technician requires coaching. One of the displayed icons is selected so as to provide a quality assessment of the locate and marking operation.