Estimate Effort for COTS Define

Purpose:

Assist the Project Manager to record Size, Effort and Cost estimates for the project. Size and effort estimates form the basis for a detailed and reasonable Project Plan.

Objective:

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Description:

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Inputs:

  • Project Charter

Outputs:

  • Define Phase WBS

Controls:

  • Estimation Guidelines
  • Define Phase WBS Template
  • Top-Down Estimate Template
  • Bottom-Up Estimate Template
  • Estimation Report for Define Phase

Task Instructions:

Identify Estimation Team

    1. Using the [their Expert Knowledge], [the Project Manager] consulting with [individuals with requisite knowledge and experience] is responsible for identifying the Estimation Team.

Identify Estimation Method

    1. Using the Estimation Guidelines, [the Project Manager] with support from [?] is responsible for choosing an estimation method for the project.

Estimate Size, Effort, Cost and Forecast Dates

    1. Using the Define Phase WBS Template and Project Charter, [the Project Manager] with support from [the Estimation Team] is responsible for documenting the basis for the estimation, which is size and effort along with the assumptions, constraints, and dependencies.
    2. Using the Updated Define Phase WBS, [the Project Manager] with support from ]the Estimation Team] is responsible for forecast dates.
    3. Using the Updated Define Phase WBS, [the Project Manager] with support from [the Estimation Team] is responsible for estimating cost. 
    4. Using the Top-Down Estimation Template and Updated Define Phase WBS, [the Project Manager] with support from [the Estimation Team] is responsible for creating a Top-Down Estimate.
    5. Using the Top-Down Estimation Template and Updated Define Phase WBS, [the Project Manager] with support from [the Estimation Team] is responsible for creating a Top-Down Estimate.

Review and Validate Cost Estimates

    1. Using the Define Phase WBS Template and Project Charter, [the Project Manager] with support from the Estimation Team is responsible for

Prepare Estimation Reports

    1. Using the Define Phase WBS Template and Project Charter, [the Project Manager] with support from the Estimation Team is responsible for
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