by Bill Schmalz Have you heard this one? When school child asks a guard how old the dinosaur fossil is, he tells her, “65,000,029 years old.” The teacher is surprised and asks how he knew the age so precisely... All measurements can only be as precise as their inherent tolerances allow. For example, if your Schematic Design estimate includes a line item for structural steel of $1,200,000 and a line item for curtain wall of $1,516,874, two alarm bells ought to go off in your head.#measurements #costestimates #whitepaper #precision #Construction