Acceptable cost and scheduleSee project schedule and see also schedule model. The timing... More variations from the baselineAn approved plan for a project, plus or minus approved chang... More. Typically, thresholds are based on either a value or a percentage of the budgetA budget represents the (time-phased) cost performance targe... More. Thresholds allow management by exceptionA term used to describe management of problem or critical ar... More, whereby only those packages with variances exceeding one of the thresholds must be examined in greater detail.