===== 15 Upgrade to "as built" model ===== After feedback from the contractor, the designer shall upgrade the following models: result, display, coordination and source model to "as built" status. * All updates are based on the contractor's own measurements and geometric quality control. If there is a need for supplementary measurements or correction of the contractor's delivery procedures, this is ordered through the client. * Designers shall continuously upgrade all performance models to "as built" status in accordance with the contractor's progress and delivery of measurements.