ALWAYS DEFAULT TO THE MOST CONSERVATIVE VALUES in safety calculations.

• A. TRUE
• B. FALSE
• C. Sometimes
• D. Only in emergency

Answer: (A)

In safety calculations, using the most conservative values provides a built-in safety margin against unknowns, variability, and future conditions. This approach protects people and structures by ensuring the design remains safe even if actual loads are higher, material properties are weaker, or conditions are worse than expected. Codes and good practice in heavy civil work require this cautious mindset, so the statement is true: you always default to the most conservative values. While optimization can play a role in cost or performance, safety-first design prioritizes the conservative end of the range to prevent failures and ensure reliability.