Case Study

Auditing Structural Estimation Calculations

Identify the errors made by the junior estimator. In your evaluation, you must recall and state:

  1. The mathematical steps to simplify the radical parts, including identifying the largest perfect square factor of each radicand (75 and 98).
  2. The correct simplified radical expressions for Beam A and Beam B.
  3. The fundamental rule regarding why the estimator's final step of adding the integer and the radical term together (e.g., adding 5 and 5 to get 10) is mathematically incorrect.

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Updated 2026-06-03

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