The recommended values range from 7–20% to allow some differentiation between simple and more complex projects.

• 7–10% – Estimates developed without engineering drawings and having a scope of work consisting primarily of a single MasterFormat Division, i.e., a single trade scope of work

• 13–15% – Estimates developed without engineering drawings and having a scope of work consisting primarily of work with less than eight MasterFormat Divisions

• 20% – Estimates developed without engineering drawings and having a scope of work consisting primarily of work from more than eight MasterFormat Divisions