Missing or conflicting beam schedules are one of the most common, and costly, coordination issues in construction. When a floor framing plan references a beam schedule that doesn't exist, construction stops. AI plan review catches these gaps before the set goes out.
Beam reinforcing schedules for specific levels are missing entirely: Level 2 references a schedule that only contains Level 1 and Level 3 data.
Plan shows beam marks (B1, B2, etc.) that don't exist in the schedule, or schedule contains beams not shown on plans.
Beam sizes on framing plans conflict with sizes in the schedule: different depths, widths, or reinforcing requirements.
Structural notes reference the wrong sheet number for beam schedules, sending contractors on a documentation hunt.
Critical issue found, from a multifamily apartment project
Issue: Drawing S-102 (Overall Floor Framing Plan, Level 2) Note 3 explicitly refers to 6/S-301 for the Beam Schedule. However, the Beam Reinforcing Schedule on S-301 only contains entries for "LEVEL 1" and "LEVEL 3". There are no beams defined for Level 2 in the referenced schedule.
Impact: Without the schedule data for Level 2, the contractor cannot determine beam sizes, reinforcement, or post-tensioning requirements for this floor, effectively halting structural framing for the entire level.
How AI catches this
AI plan review cross-references beam marks on framing plans against schedule entries and flags any beams without corresponding schedule data.
Crews cannot proceed without beam sizes
2-5 days typical for structural RFI response
Wrong sizes ordered if guessed incorrectly
Can delay subsequent trades for weeks
A missing beam schedule on a multifamily project with 100+ units can cascade into weeks of delays. The structural work cannot proceed, which blocks MEP rough-in, which delays drywall, and so on. Finding these gaps before construction starts is critical.
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