Design Communication and Documentation
Design Communication and Documentation
The exam tests whether drawings and specifications can be built from and coordinated. Know the phase deliverables: schematic design, design development, construction documents, bidding, construction administration, and closeout. A set must coordinate plans, elevations, sections, details, schedules, reflected ceiling plans, and specifications. Scale is a ratio: at 1/4 in = 1 ft, one foot is 0.25 in on paper. BIM models carry level of development; do not assume model geometry equals construction detail.
Core rules
- Dimension to fixed references, not to furniture that can move.
- Coordinate RCP lights, sprinklers, diffusers, and ceiling access.
- Use schedules for doors, finishes, lighting, and equipment; avoid ambiguous “typical” notes.
- Track revisions, RFIs, submittals, and as-built changes.
Worked example
A wall is 24 ft long. On a 1/4 in = 1 ft plan, it draws 24 × 0.25 = 6 in. If a PDF measures 3.5 in, the actual length is 3.5 ÷ 0.25 = 14 ft-but never scale a PDF for construction; use the stated dimension. If the drawing says 14 ft and the model says 16 ft, issue an RFI and resolve the conflict before fabrication.
Traps
Scaling from a reduced sheet; leaving ceiling and structural conflicts to the contractor; using “equal” or “or approved” without a submittal process; and failing to update drawings after an RFI.