Design development turns a chosen concept into a coordinated design. Changes still happen — but they start to cost real redraw time.
What intensifies in DD
- Structure and envelope decisions
- MEP space planning
- Material and product direction
- Code detailing path
- More accurate cost conversations
Owner decision load
DD is when vague preferences become selections. Late swaps cascade into drawings and consultant work.
Coordination meetings
Expect more consultant touchpoints. Bring consolidated feedback after each package.
Gate to construction documents
Approve DD deliberately. CDs assume the major design is settled.