Orbit Dine Cook-Line Bump Bar Hardware & Course Pacing SOP: Line Execution, Firing Protocols & Recall Queue Recovery

1. Operational Mission & Pre-Flight Verification Gate

The core objective of this standard operating procedure is to eliminate plate pacing errors, maintain hygienic hands-free line interactions in hot cooking environments, coordinate complex multi-course dining rhythms between kitchen stations and dining room floor staff, and ensure zero lost tickets during high-velocity dinner rushes.

By integrating physical industrial bump bars with multi-station KDS routing and the waiter captain mobile app, line chefs maintain continuous culinary production without touch contamination or verbal confusion.

Operator Authority & Privilege Matrix

• Assigned Persona: Station Line Cook, Sauté Chef, Grill Master, Sous Chef
• Required Operational Tier: Tier 1 Cook-Line Operator
• Supervisory Override Mandate: Required exclusively for marking permanent 86 item inventory de-listings or clearing delayed tickets exceeding 45 minutes of elapsed time.

2. Environmental Pre-Conditions & Station Readiness Matrix

Prior to accepting live guest tickets, the cook-line lead must audit station node health against the readiness baseline:

3. Granular Procedural Execution Workflow

The cook-line workflow operates through four synchronized procedural phases:

Phase 1: Ticket Ingress & Audio Alert Inspection

1. Trigger Condition: An order containing items routed to this station is fired from POS terminal operations or mobile waiter handhelds.
2. Operator Action: The line cook pauses active tasks upon hearing the distinctive two-tone ascending ingress chime (587 Hz to 880 Hz). The cook reads the newly populated ticket card at the head of the rail.
3. Terminal System Response: The KDS screen renders a new card with a solid emerald green header bar, displaying order number, table or parcel designation, Urdu and English item names, modifiers, and elapsed time counter starting at 00m.
4. Verification State: Cook verbally echoes the dish call to station colleagues (e.g., "Firing 2x Deluxe Burgers, Table 14").

Phase 2: Cook-Line Bump Bar Key Mappings & Line Toggling

Station operators utilize physical bump bar keys to update line items without touching screens:

Phase 3: Multi-Course Staging & Sequencing (Holding vs Firing)

In fine-dining, banquet, and multi-course dining, pacing is essential to prevent entrees from going cold while guests consume appetizers.

1. Course Tagging at Ingress: When a check contains multiple courses, front-of-house assigns course numbers:
   • Course 1: Starters / Appetizers / Soups (Immediate Firing: isFired: true).
   • Course 2: Main Entrees / Steaks / Handi / Pizzas (Held Staging: isFired: false).
   • Course 3: Desserts / Hot Teas / Coffees (Held Staging: isFired: false).
2. Station Display Staging: Line items assigned to Course 2 or 3 render on station screens with a prominent dark slate HELD banner reading: "HELD — Course 2 / Waiting to fire".
3. SLA Isolation: The preparation timer for held items remains paused. Cooks are visually aware of impending demand but do not fire raw proteins until signaled.
4. Floor Firing Signal: When guests reach the halfway mark of their starters, the floor captain taps Fire Course 2 on their mobile handheld.
5. Kitchen System Response: The system issues a POST /orders/:id/courses/2/fire request. The kitchen event bus broadcasts order:course-fired. The KDS emits a priority double chime, strips the HELD banner, and begins the active preparation SLA countdown for Course 2.

Phase 4: Accidental Bump Un-Bump & Recall Queue Recovery

Culinary rush environments frequently witness accidental ticket bumps. Orbit Dine enforces an instantaneous recovery protocol:

1. Identification: Cook realizes an active card was bumped prematurely by pressing the bump key in error.
2. Drawer Ingress: The cook taps U on the bump bar or clicks Recall Tickets in the top navigation bar.
3. Selection: The recall drawer slides open from the right screen boundary, displaying the 20 most recently completed orders with bump timestamps.
4. Un-Bump Execution: The cook presses Enter on the top order or clicks Un-Bump Order.
5. System Restoration: The system dispatches an atomic status update (POST /orders/:id/bump with status: PENDING), re-attaching the ticket to the active cook rail in its exact chronological sequence based on original creation time. The timer reflects true elapsed age without artificial reset. Once verified ready and bumped permanently, the item updates the master expeditor station and triggers automated recipe inventory depletion, while damaged plates are logged under kitchen waste and spoilage logging.

4. Software UI Frame: Cook-Line Station KDS

The cook-line interface below demonstrates an active station rail with immediate Course 1 preparation, held Course 2 items, and hardware key indicators:

5. Interactive Operational Decision Logic: Course Pacing & Bump Flow

The schematic below outlines the deterministic logic path governing ticket arrival, multi-course holding, hardware bump event dispatching, and recall restoration:

6. Deviation Handling & Exception Protocol Matrix

Operational friction on the cook line must be handled through deterministic corrective protocols:

7. Shift Handoff, Cook-Line Sanitation & Station Sign-Off

At the conclusion of each culinary production shift, line operators must execute a formal handoff:

1. Active Rail Audit: Outgoing station lead reviews every open ticket with incoming line chef. Zero tickets may remain in PREPARING status without physical protein actively on grill or burner.
2. Recall History Verification: Open the Recall Drawer (U) and verify that all orders bumped in the past 30 minutes match actual plate handoffs at the expeditor station.
3. Peripheral Sanitation: Power down the station display or engage Screen Cleaning Lock Mode. Wipe industrial bump bar membrane and touch display with food-grade sanitizing wipe. Never spray liquid directly into USB connector ports.
4. Shift Sign-Off: The station supervisor enters their four-digit PIN to finalize shift production telemetry, logging total bumped tickets, average prep latency, and delayed ticket counts to the central operational audit trail.

8. High-Pressure Cook-Line Triage FAQs

How does the system handle an order containing both immediate and held items on a single station ticket?

The ticket card renders the entire check structure simultaneously. Fired lines (Course 1) display active status buttons (Start, Ready) and ticking SLA counters. Held lines (Course 2) display a dark slate banner with locked buttons, preventing accidental premature preparation while giving cooks visual foresight into upcoming prep requirements.

What happens if two line cooks bump the same ticket simultaneously from dual terminals?

The system utilizes optimistic concurrency control with idempotent bump resolution. The first bump event transitions the order to READY and archives it to the recall queue. The second concurrent bump receives a cached success response without generating duplicate database journal entries or corrupting the recall history.

Can a cook extend prep time on an order that is turning red?

Yes. Pressing T on the bump bar or tapping the prep time buttons (+10m, +15m, +20m) records a revised estimated preparation window. While this updates the customer-facing display and expeditor ETA, it does not alter the underlying historical createdAt timestamp, ensuring management audits retain true culinary performance telemetry.

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