Implement two project schedules. BENCHMARKS Implement mechanisms to measure, record, and report progress against the schedules, eg: units completed incremental milestones weighted units Identify baseline variances as they occur, eg: changes in project scope triggered by end-user or project team to meet the contractual obligations lack of resources such as skilled human resources, availability of equipment and material wrong activity duration estimates Forecast the impact of schedule changes, eg: delays budget resources Implement schedule changes..