PYLON A (1):

Primary Module - Decks 1 thru 20

The Primary Module houses many of the station's mission-related functions. Pylon 1 functions include command and control systems.
Deck 1 Control Tower, Ready Room, Captain's Ready Room, Executive Officer's Ready Room, Conference Room
Deck 2 Senior Staff Mess, Senior Staff Lounge
Deck 3 Upper Sensor Suite, Dorsal Phaser Array
Deck 4 Computer Core (thru Deck 15)
Deck 6 Lifeboats
Deck 7 Officer's Lounge, Holodeck (thru Deck 9)
Deck 13 Secondary Fusion Reactors (thru Deck 14)
Deck 19 Upper Deflector Shield Generator
PYLON B (2):

Primary Module - Decks 1 thru 20

The Pylon 2 upper module is centered on diplomatic and civilian functions, including conference rooms, embassies, and the Diplomatic Hub.
Deck 1 Main Diplomatic Conference Room
Deck 2 Central Embassy Lobby (Upper Level), Balcony, VIP Docking, VIP Airlock, VIP Transporter Complex, Infirmary, Security Substation
Deck 3 Central Embassy Lobby (Lower Level), Signatory Embassy Entrances (5), Fountain
Deck 4 Computer Core (thru Deck 15), Secondary Diplomatic Facilities
Deck 6 Lifeboats
Deck 7 Lounge, Holodeck (thru Deck 9)
Deck 13 Secondary Fusion Reactors (thru Deck 14)
Deck 19 Upper Deflector Shield Generator
PYLON A & B (1 & 2):

Secondary Modules - Decks 21 thru 40
The station's Secondary Module provides support services and residential facilities. It also serves as the connection point to the station Midway.
Deck 22 Matter Injector (thru Deck 24)
Deck 24 Secondary Fusion Reactors (thru Deck 25)
Deck 27 Main Sickbay, Medical Offices, Medical Storage Bays, Primary Transporter Complex, Recreation Deck
Deck 31 M/AM-Fusion Hybrid Reactor (thru Deck 45)
Deck 33 Bulk Matter Storage/Waste Management
Deck 38 Lower Deflector Shield Generator
MIDWAY:


The Midway connects the Secondary Modules of Pylon 1 and 2. It houses the station's commercial facilities, particularly the three-level Concourse. The massive subspace communications array and docking complex are connected at the center of the Midway. Main Security looms above an open three-level Atrium at this midpoint.
Deck 24 (1) Main Security, Main Armory, Brig
Deck 25 (2) Concourse/Atrium (Level 3), Upper Walkway
Deck 26 (3) Concourse/Atrium (Level 2), Drankum's Bar (Deck 2), Triage Medical Facility
Deck 27 (4) Concourse/Atrium (Level 1), Drankum's Bar (Deck 1), McMuon's Morsels, Passenger Receiving
Deck 28 (5) Cargo Receiving, Customs, Medical Storage Area
PYLON A & B (1 & 2):

Tertiary Module - Decks 41 thru 59

The Tertiary Module is largely dedicated to engineering activities, including power generation and auxilliary craft maintenance. The station's hybrid reactor core is managed from this module.
Deck 41 M/AM-Fusion Hybrid Reactor (thru Deck 45)
Deck 44 Life Support/Environmental Control, Lifeboats
Deck 49 Antimatter Generator Assembly (thru Deck 50), Antimatter Injector (thru Deck 51)
Deck 50 Ventral Phaser Array, Shuttlebay (thru 52)
Deck 52 Shuttlebay Control, Shuttle Repair
Deck 56 VIP Quarters (Level 2), Lifeboats
Deck 57 VIP Quarters (Level 1), Lifeboats
Deck 58 Photon Torpedo Complex, Lower Sensor Suite, Main Science
PYLON A & B (1 & 2):

Engineering Boom - Decks 60 thru 168

This section comprises lowermost portion of each pylon. It houses the primary deuterium and antimatter storage, consumables, and cargo.
Deck 72 Antideuterium Tankage (thru Deck 85)
Deck 79 Consumable Storage (thru Deck 92)
Deck 87 Deuterium Tankage (thru Deck 92)
Deck 93 Secondary Fusion Reactor (thru Deck 94)
Deck 107 Observation Lounge (Upper Level)
Deck 108 Observation Lounge (Lower Level)
Deck 128 Pylon Docking Complex (thru Deck 150)
Deck 152 Cargo Complex (thru Deck 168)
Deck 168 Lower Antenna Access