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2. Basis of estimate - Wikipedia

   en.wikipedia.org/wiki/Basis_of_estimate

   Basis of estimate (BOE) is a tool used in the field of project management by which members of the project team, usually estimators, project managers, or cost analysts, calculate the total cost of the project.

3. Construction estimating software - Wikipedia

   en.wikipedia.org/wiki/Construction_estimating...

   A cost estimator will typically use estimating software to estimate their bid price for a project, which will ultimately become part of a resulting construction contract. Some architects, engineers, construction managers, and others may also use cost estimating software to prepare cost estimates for purposes other than bidding such as budgeting ...

4. Cost estimate - Wikipedia

   en.wikipedia.org/wiki/Cost_estimate

   A cost estimate is the approximation of the cost of a program, project, or operation. The cost estimate is the product of the cost estimating process. The cost estimate has a single total value and may have identifiable component values. A problem with a cost overrun can be avoided with a credible, reliable, and accurate cost estimate. A cost ...

5. Program evaluation and review technique - Wikipedia

   en.wikipedia.org/wiki/Program_Evaluation_and...

   PERT network chart for a seven-month project with five milestones (10 through 50) and six activities (A through F).. The program evaluation and review technique (PERT) is a statistical tool used in project management, which was designed to analyze and represent the tasks involved in completing a given project.

6. Three-point estimation - Wikipedia

   en.wikipedia.org/wiki/Three-point_estimation

   To produce a project estimate the project manager: Decomposes the project into a list of estimable tasks, i.e. a work breakdown structure; Estimates the expected value E(task) and the standard deviation SD(task) of this estimate for each task time

7. Cone of uncertainty - Wikipedia

   en.wikipedia.org/wiki/Cone_of_Uncertainty

   Estimates (e.g. on duration, costs or quality) are inherently very vague at the beginning of a project; Estimates and project plans based on estimations need to be redone on a regular basis; Uncertainties can be built into estimates and should be visible in project plans; Assumptions that later prove to be mistakes are major factors in uncertainty