The standard for project management

Basis of estimates. 

Described in Section 6.4.3.2. The amount and type of additional details supporting the 

duration estimate vary by application area. Regardless of the level of detail, the supporting documentation should 

provide a clear and complete understanding of how the duration estimate was derived.

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Duration estimates.

 Described in Section 6.4.3.1. The duration estimates contain the quantitative assessments 

of the likely number of work periods that will be required to complete an activity. This will be used to calculate 

the schedule.

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Lessons learned. 

Described in Section 4.4.3.1. Lessons learned earlier in the project with regard to developing 

the schedule model can be applied to later phases in the project to improve the validity of the schedule model.

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Milestone list. 

Described in Section 6.2.3.3. The milestone list has scheduled dates for specific milestones.

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