Project Development and Documentation: Drawings, Specs, and Coordination
This domain tests the translation of design into enforceable contract documents: drawings, specifications, and schedules that are complete, internally consistent, and buildable.
Division of labor between drawings and specifications
- Drawings show location, size, dimension, and relationships. Specifications state quality, standards, testing, and execution.
- Division 01 governs administrative and procedural requirements and generally controls how the other divisions are administered; read it before arguing precedence.
- MasterFormat organizes specifications by work result across roughly 50 divisions. UniFormat organizes by element and is used for early design and cost estimating.
- Sheet series typically follow general (G), plans, elevations, sections, details, schedules, then interiors, fire protection, plumbing, mechanical, and electrical.
Coordination duties
- Overlay architectural, structural, and MEP drawings; run clash detection in the model, then verify critical dimensions by hand.
- Tag rated walls and confirm that door, glazing, and penetration ratings match the wall rating.
- Check egress continuity: door swings, clear widths, panic hardware, and corridor obstructions.
Worked example
A 36-inch door leaf in a 2-inch frame with a 3/4-inch stop yields clear width of about 33-1/4 inches, which satisfies the 32-inch minimum. But clear width is only half the requirement. If that door is on the pull side of a forward approach, the latch side needs additional maneuvering clearance, typically 12 to 18 inches depending on closers and latches, and the approach needs 60 inches of depth. A door placed 8 inches from a perpendicular wall fails even though the leaf itself is wide enough.
Traps that cost marks
- Specifying products graphically on drawings while the specification says something different. The conflict becomes a change order.
- Checking door width but not maneuvering clearance or swing direction.
- Trusting model clash detection alone; grid and dimension strings still need human reconciliation.
- Leaving fire-rated assembly schedules incomplete so the contractor selects the assembly.