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Third Rail Backbone

Master Operating Document — Assembly Atlanta and the operating entities

A 150-acre mixed-use development on the former General Motors Doraville Assembly plant site, owned by Gray Media (NYSE: GTN). This portal is the navigable companion to the printable Master Operating Document — every section in flow, every register live, every open item tracked.

Current versionv0.2
IssuedMay 5, 2026
Sections31
StatusLiving draft
Download printable PDF Read the Executive View →

Reading orders

10 minutes

CEO quick read

  1. Executive View
  2. §5 Dependency Model
  3. §6 Scenario Matrix
  4. §21 Next Steps

1 hour

CEO deep read

  1. Executive View
  2. §3 Structure
  3. §4 Origin & Timeline
  4. §5 Dependency Model
  5. §11 GovRel / CID
  6. §17 Competitive
  7. §22 Open Items

Front to back

Seat-holder path

Read every section in order. Use the left navigation. Each section opens with a one-line "what this is" and ends with a Previous / Next link.

Start at the Legal Wrapper →

Full table of contents

Every page in the printable document is here, in the same order.

Front Matter

  1. Front MatterLegal Protection Wrapper
  2. Front MatterCover & Disclaimers
  3. Companion LetterLetter to Hilton — 25 Lessons
  4. Front MatterExecutive View

Foundation

  1. Section 1§1 — Purpose of This Document & What Assembly Is
  2. Section 2§2 — Audience & Reading Orders
  3. Section 3§3 — Structure & Entities

Origin & Engine

  1. Section 4§4 — Origin & Realistic Timeline
  2. Section 5§5 — The Dependency Model
  3. Section 6§6 — Scenario Matrix

Operating System

  1. Section 7§7 — Who Is Responsible For What
  2. Section 8§8 — Personnel Flow
  3. Section 9§9 — Shared Services Backbone

Partners & Government

  1. Section 10§10 — NBCU
  2. Section 11§11 — Government Relations, CID, TAD, SSD & the Ecosystem

Capital & Cross-Sell

  1. Section 12§12 — Capital Structure & Realistic Financials
  2. Section 13§13 — Cross-Sell: Gray ↔ AAME (light reference)

Vision & Brand

  1. Section 14§14 — Entertainment, Community, Nonprofit & Education Vision
  2. Section 15§15 — Brand Voice & Visual Standards

Risk & Reality

  1. Section 16§16 — Regulatory Environment
  2. Section 17§17 — Competitive Analysis
  3. Section 18§18 — Reporting Needs
  4. Section 19§19 — Missing Documents, Images & Renderings Register
  5. Section 20§20 — Third-Party Asset / Property / Leasing Services (Pointer)

Forward Motion

  1. Section 21§21 — Next Steps
  2. Section 22§22 — Open Items Register

Operating Model

  1. Section 26§26 — Operating Model: Forward View & Connective Tissue

Appendices

  1. Section 23§23 — Governance-by-Design Appendix
  2. Section 24§24 — Family / Entities / Deeper Knowledge Appendix
  3. Section 25§25 — Naming Workspace
  4. Section 27§27 — Glossary