Even when geometry is Not to Scale, annotation still follows math-driven rules. That’s why 3/32” plotted text height, and a simple text-height formula, continue to anchor drawing standards across the AEC industry.

TYP = Typical. One of the most useful, and most misused, notes in construction documents. When clearly defined, “typical” saves time and improves clarity. When assumed, it creates RFIs and field decisions that never should’ve been needed.

Two acronyms. Two very different responsibilities. Understanding the difference between professional responsibility and contractual responsibility is critical, especially on public-sector projects.

They’re not interchangeable. Each phase and issuance level represents a different degree of completeness and risk. Knowing the difference keeps expectations, and projects, aligned.