The parking shelf — study workflow, worked calculations, and the mistakes that get juniors redlined.
The demand triad every study reconciles: local code (legal floor/ceiling) vs ITE Parking Gen (observed standalone) vs ULI Shared Parking (mixed-use time-sharing) — vs observed counts when the site exists. Master the triad and you’re immediately useful.
Do the work: Workflow - Parking Study ★ (19 steps + QA/QC) · ULI Shared Parking Calculation ★ · Parking Code Comparison ★ · field data via standardized count sheets
Spawn as needed: accumulation/turnover/duration concepts · 85% effective-capacity note #status/verify agency threshold · parking mgmt strategies · garage circulation & stall/aisle dimension checks (agency code + FDM/Greenbook where applicable) · ADA parking counts & placement (PROWAG and ADA) · EV/bike/loading requirements · event/school/church peaking · queuing at access points
References: ITE Parking Generation · ULI Shared Parking · parking-code notes per jurisdiction
Report language: MOC - Report Writing parking memo pattern
Common EIT mistakes: counting only one peak day · mixing gross/leasable floor area bases · applying ULI factors without documenting each · comparing demand to striped supply while ignoring reserved/ADA/compact splits · forgetting the code’s own shared-parking provision (sometimes better than ULI for approval).