1. Gatehouse Check-In & Yard Slot Architecture Automated Gate Kiosk: Drivers scan pre-issued EDI 214 appointment QR codes at unmanned license-plate recognition (LPR) kiosks. The YMS validates ASN accuracy and sends an automated SMS assigning either a direct Dock Door or a numbered Yard Drop Pad. Yard Zoning: Partition the 120-spot trailer yard into 3 color-coded zones: Zone A (Loaded Inbound Drop Trailers prioritized by FIFO age), Zone B (Empty Pool Trailers inspected and ready for outbound loading), and Zone C (Quarantine/Maintenance Hold for damaged curtains or flat tires). Shunt Truck (Yard Jockey) Dispatch: Equip 2 terminal tractors with ruggedized YMS tablets; enforce interleaved "Dual-Command" moves (drop an empty trailer at a door and immediately hook a loaded unit from the adjacent bay) to eliminate bobtail deadheading. 2. Dock Door Appointment Scheduling & Turnaround Logic Dynamic Door Slotting: Allocate the 40 dock doors into 15 Inbound Doors (05:00–13:00), 15 Outbound Doors (13:00–23:00), and 10 Flex Cross-Dock Doors positioned centrally to minimize internal EPJ travel distance. Load-Type Time Windows: Assign strict 45-minute dock slots for standard 26-pallet single-SKU FTL loads, and 90-minute slots for mixed-SKU floor-loaded or high-sortation inbound trailers. Pre-Staging Rule: Outbound dock doors cannot be assigned a live carrier until the WMS confirms 100% of the shipment's pallets are stretch-wrapped and staged inside the painted marshaling lane behind the door. 3. Dock-Lock Safety & Load Securement Protocol Drive-Away Prevention (Poka-Yoke): Engage mechanical/hydraulic ICC-bar vehicle restraints (Dok-Lok) immediately upon trailer backing. Interlock exterior red/green traffic lights with interior dock leveler controls so the overhead door cannot open until the hook sensor confirms lock engagement. Drop-Trailer Nose Support: For uncoupled drop trailers, yard jockeys must install heavy-duty nose-stand safety jacks beneath the kingpin plate and apply dual rubber wheel chocks to prevent landing-gear collapse during forklift entry. Axle-Weight & Securement: Alternate single and double pallet placements (pinwheeling) for high-density freight to stay below drive/tandem axle limits; install 2 ratcheting load-lock bars and airbags at the tail prior to sealing with an ISO 17712 bolt seal. 4. Detention/Demurrage Elimination & Bottleneck Fix Fix 1 (Convert Live Loads to Drop-and-Hook Pool): Transition top 5 high-volume carriers (representing 65% of daily FTL volume) to a 3:1 trailer pool Drop-and-Hook agreement, allowing night-shift preload without live driver wait time. Fix 2 (Dwell-Timer Escalation Alerts): Program YMS to trigger a yellow supervisor alert at 75 minutes of driver dwell time and a red dock-lead escalation at 90 minutes, prioritizing that bay over drop-trailer work to beat the 120-minute detention clock. Fix 3 (Digital e-BOL Sign-Off): Replace paper Bill of Lading printing windows with tablet signature capture at the dock door, cutting driver check-out waiting time by 20 minutes. 5. Yard & Dock KPIs with Industry Benchmarks Live-Load Gate-to-Gate Turnaround Time: ≤ 65 minutes (Zero detention fees incurred beyond the 2-hour free window). Dock Door Utilization Rate: ≥ 78% active loading/unloading occupancy across operating shifts. Shunt Truck Hook-to-Drop Cycle Time: ≤ 11 minutes per yard trailer spot move. On-Time Carrier Appointment Adherence: ≥ 94% within a ±15-minute arrival window.