Compare and contrast the use of the following three methods of
conceptual estimation by researching them:
a....
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Civil Engineering
Compare and contrast the use of the following three methods ofconceptual estimation by researching them:
a. Analogy (top-down) estimating
b. Parametric estimating
c. Heuristic (rule-of-thumb) estimating
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Analogous estimating This type of estimating involves comparisons to other similar projects or project components Most organizations perform projects that are similar to other projects within the organization or know the costs of projects performed by other organizations The actual costs can be scaled on the basis of known differences to arrive at the estimate for the
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