5th Edition PMBOK® Guide—Chapter 6: Time Management Knowledge Area

After Chapter 5, which discusses Scope Management, the next knowledge area covers one of the other major “triple constraints”, that of time.

There are seven project management processes in the Time Management Knowledge Area. Six of these are in the Planning Process Group and one is the Monitoring & Controlling Process Group.

The first planning process, that of Plan Schedule Management, creates the Schedule Management Plan which is the framework for all of the other processes. (NOTE: In the 4th Edition, this plan was created not as a separate process, but as part of the Develop Project Management Plan process in the Integration Knowledge Area.)

The second through six planning process are done in sequence, but may be done in an iterative fashion in the case that not all of the activities are specified in the first pass through these processes. Once the schedule is produced as the output of the last of these planning processes, Develop Schedule, it becomes the schedule baseline against which progress is measured throughout the rest of the project in the Control Schedule process in the Monitoring & Controlling Process Group.

Process Group Process Number Process
Process Description
Planning 6.1 Plan Schedule Management Establishes the policies, procedures, and documentation for planning, executing, and controlling the project schedule. Provides guidance and direction on how the project schedule will be managed throughout the project.


Planning 6.2 Define Activities Identifies and documents the specific actions to be performed to produce the project deliverables. Breaks down work packages into activities that form the basis for the project work.


Planning 6.3 Sequence Activities Identifies and documents relationships among the project activities. Defines the logical sequence of work to obtain the greatest efficiency given all project constraints.


Planning 6.4 Estimate Activity Resources Estimates the type and quantities of resources required to perform each activity. Identifies type, quantity, and characteristics of these requires which allows for more accurate cost and duration estimates.


Planning 6.5 Estimate Activity Durations Estimates the number of work periods needed to complete individual activities with estimated resource. Provides the amount of time each activity will take to complete.



Planning 6.6 Develop Schedule Analyzes activity sequences, durations, resource requirements, and schedule constraints to create the project schedule with planned dates for completing project activities.


Monitoring & Controlling 6.7 Control Schedule Monitors status of project activities to update project progress and manage changes to the schedule baseline in order to achieve the plan. Provides the means to recognize deviation from the plan and to take corrective and preventive actions and thus minimize risk.

The next post will go into more detail regarding the inputs, tools & techniques, and outputs involved in the first process, 6.1 Plan Schedule Management.


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