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In addition, templates relevant to this practice are provided at the end of this guide.  \nPractice Overview  \nA successful project schedule requires proper estimation of the effort, definition of staffing needs and resource requirements, and the identification of work durations.  \nIn order to build a project schedule the project work defined in the Work Breakdown Structure (WBS) work packages must be further decomposed into smaller, more manageable components referred to as schedule activities. These schedule activities are then sequenced in order to build a project schedule. The ultimate goal of this effort is to build an effective project schedule that answers questions such as:  \n• What will be accomplished?  \n• How it will be accomplished?  \n• When it will be accomplished?  \n• Who will accomplish it?  \nThe Project Management Institute’s Project Management Body of Knowledge defines a project schedule as the planned dates for performing schedule activities and the planned dates for meeting schedule milestones. A schedule milestone is defined as a significant event in the project schedule, such as an event restraining future work or marking the completion of a major deliverable. A project schedule is developed by further decomposing WBS work packages and analyzing activity sequences, durations, resource requirements, and project constraints to create a formal list of project activities and an outline of which order they should be performed. The processes for accomplishing this include the following project scheduling practices:  \n• Activity definition focuses on identifying and documenting the planned work.  \n• Activity sequencing focuses on identifying and documenting relationships among scheduled activities.  \n• Resource and duration estimating focuses on determining what resources are required, in what quantities, and for how long, to complete the project work as planned.  \n• Schedule development focuses on determining schedule activity start and finish dates.  \n• Schedule control focuses on influencing factors that create project schedule change.  \nIn some instances, projects are so tightly structured that the steps of creating a project schedule can be performed by a single individual. However, in most cases, representatives from across the organization, and most certainly the project team, will be involved in different aspects of the schedule development process.  \nActivity Definition  \nFor scheduling purposes, WBS work packages are decomposed into even smaller components known as schedule activities. This process is referred to as activity definition. Schedule activities are work defined toa level that can be easily estimated, scheduled, executed, and monitored and controlled. Good project planning practice is to define these activities to a level no smaller than one full work day (~8hrs) and no larger than ten full work days (~2wks) . Anything more than ten working days most likely can be better managed if further decomposed. Anything less than one working day is usually too detailed to be managed affectively.  \nTo facilitate this effort a project manager may seek out examples of similar projects, review project templates, reuse all or some part of schedules from past projects, solicit feedback from subject matter  \nUP Version: 06/30/07 Page 1 of 4  \n\n| | CDC UNIFIED PROCESS PRACTICES GUIDE | |\n| --- | --- | --- |\n| PROJECT SCHEDULING |  |  |\n\nexperts, the project team, etc. The ultimate goal is to develop a list of schedule activities and to identify any dependencies or conflicts that may exist between them. If prospective conflicts do exist, work on resolving them as early in the project life cy","cbCaio8snF1Quey5","https://ap.wps.com/l/cbCaio8snF1Quey5","pdf",58344,"English","# Document Purpose\n# Practice Overview\n## Activity Definition\n## Activity Sequencing\n## Resource and Duration Estimating","[{\"question\":\"What is the core purpose of project scheduling guidance in this document?\",\"answer\":\"It provides guidance on how to practice project scheduling and explains the practice overview, requirements, best practices, activities, and key terms. It also includes templates relevant to this practice at the end of the guide.\"},{\"question\":\"How does activity definition help build a project schedule?\",\"answer\":\"WBS work packages are decomposed into smaller schedule activities that can be easily estimated, scheduled, executed, and monitored. The document recommends defining activities at a granularity no smaller than one full work day and no larger than ten full work days.\"},{\"question\":\"Why is critical path management vital?\",\"answer\":\"The critical path is the series of tasks that determines the project duration, with little or no slack between critical tasks. If one critical task slips, the entire schedule slips, so managing it is essential to complete the project as planned.\"}]","Project Scheduling - Best Practices Guide | PDF",1790373791]