TAILIEUCHUNG - Project Management PHẦN 10

Hoạt động ABC là sản xuất 100 đơn vị và dự kiến sẽ mất 5 tuần. Mỗi đơn vị dự kiến có giá 75 $ .* Dưới đây là những dữ liệu cơ bản cần thiết để làm việc thông qua ví dụ này. 1. Tình trạng kế hoạch vào cuối của tuần thứ ba. Nếu 100 đơn vị dự kiến sẽ được sản xuất trong 5 tuần, 20 đơn vị được dự kiến để được tạo ra mỗi tuần, nếu chúng ta giả định sản xuất tuyến tính. Vì vậy, vào cuối của tuần thứ ba, 60 đơn vị. | adding resource leveling within float capabilities to the system. Unlike resource-constrained scheduling resource leveling does not allow the project end date to change and often yields imperfect leveling results. The algorithms for resource leveling are also improving many can now factor a user-determined task priority into the calculations. Some systems now allow the assignment of resources in hours days weeks or months all within the same project. Many products are addressing the need to alter the cost of resources on a time-scaled basis. It is now possible to vary the hourly rate of a resource either annually or by establishing from and to dates for the rates. The number of resources allowed per task and per database has been increasing. The use of different calendars for each resource is becoming more popular. The major advantage to the resource calendar approach is that it allows the organization to track and to factor into project schedules planned training vacations and other administrative time. Finally ability to use PERT Program Evaluation Review Technique and earned value calculations is becoming available. Scheduling Flexibility Many systems have limited the user to input of durations in one standard unit per project. Thus prior to data entry the user had to decide to enter all durations in hours days weeks or months. Once the decision was made it could not be changed. An increasing number of systems now allow the time units to be determined at the task level rather than at the project level. Thus Task A can be entered with a duration of forty hours and Task B can be entered with a duration of three weeks. In some older systems only durations entered in days were allowed if holidays were to be factored into the schedule calculations. Holidays were ignored if durations were entered in weeks or months. Increasingly that is no longer the case. Holidays are now recognized regardless of the units used for entry of durations. Better Reporting In systems that

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