Heavy Containment Zone

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The Heavy Containment Zone is one of four zones found in SCP: Secret Laboratory. It is the location of the Micro H.I.D., as well as the three Emergency Power Stations.

Description

Heavy Containment Zone (HCZ) is one of four zones in Site-02.
Placed below Light Containment Zone and located right next to Entrance Zone, it is considered one of the most dangerous zones, as it is the spawn location for SCP-049, SCP-079, SCP-096, SCP-106, and SCP-939.

Heavy Containment Zone is also the only zone affected by the Overcharge event, which is used to re-contain SCP-079. This event occurs after all 3 Emergency Power Stations have been activated, and the button in SCP-079's Containment Chamber is pushed (this will also occur when SCP-079 is the last SCP alive).

Heavy Containment Zone contains a few important rooms that contain items that can aid a player in escaping or re-containing certain SCP.

Related article: Soundtrack

Heavy Containment Zone's Theme

Unique Areas

Unique areas include containment chambers or other rooms of interest that spawn only once. These areas may include valuable items, weapons or have an important gameplay role.

Elevator Systems

Elevator System A

Elevator System B

Elevators after LCZ is locked down

The Elevator Systems are two separate rooms that contain two elevators that connect Heavy Containment Zone to Light Containment Zone.

Above each elevator is a timer showing how much time is left until Light Containment Zone gets Decontaminated.

Related article: Soundtrack

Elevator Music

Tesla Gate

The Tesla Gate

ZAP!

Tesla Gates are straight hallways equipped with high powered tesla coils.

If the player enters a room with a tesla gate, it will activate its sensors and charge itself. Standing next to the tesla gate will cause it to fire a large amount of electricity. If a player is in the tesla coil when it is firing, it will shock and deal massive damage, instantly killing humans, SCP-106 and SCP-049-2. Tesla Gates only deal damage for three ticks, allowing most SCPs to not die in one blast.
Tesla Gates are quite loud and can be heard from several rooms away when operational.

If SCP-079 viewing a room containing a tesla gate, the tesla coil will begin to charge itself even if no player is nearby.

Server Room

Top level

Bottom level

The Server Room is a two-level room full of servers. This room is mainly used for hiding.

A Scientist Keycard can spawn either on the top or bottom floor behind the servers.
A Bulletproof Locker №7, two First Aid Cabinets, and two Emergency Power Stations can also spawn on the top floor.

2 common hiding spots in this room include behind any of the servers or in a small area under the stairs.

Guaranteed Spawns:

• Scientist Keycard

Possible Spawns:

• On the top floor:
  • First Aid Cabinet (up to two)
  • Emergency Power Stations (up to two)
  • Bulletproof Locker №7
  • Workstation

Alpha Warhead Silo

Elevator leading to the silo

Warhead silo

Armory

Control panel

The Alpha Warhead Silo is the location of the Alpha Warhead. It is located above HCZ, and can only be accessed via an elevator system.

In the center of the area, is the silo itself, with the Alpha Warhead seated in place.
Opposite of the elevator system is a small control room, which contains a control panel. This panel is used to activate or deactivate the warhead.
The control room is covered by a wall with openings that face the elevator system. These openings make great cover when shooting enemies coming up the elevator.

Beside the control panel is an armory which does not require a Keycard to enter.
The armory will always contain a Workstation, and either a MTF-E11-SR Rack or Weapon Locker Type 21 as well.

Two Emergency Power Stations can spawn on the wall in this area.

Guaranteed Spawns:

• Shelves outside armory
  • Zone Manager Keycard
• In the armory:
  • MTF-E11-SR Rack or Weapon Locker Type 21

Possible Spawns:

• Outside the armory:
  • First Aid Cabinet
  • Emergency Power Station
  • Bulletproof Locker №7
• Outside the control room:
  • First Aid Cabinet
  • Emergency Power Station

Ammunition Armory

Entrance to the armory

Inside the armory

	Armory Access Tier 1 Required
	SCP-079 AP Cost: 50 AP
	Door can be destroyed with explosives, SCP-018 and SCP-096

The Ammunition Armory is a T-shaped area which is connected with a three-way walkway. Falling off the walkway and into the pit will instantly kill the player.

The armory itself requires

Armory Access 1 Armory Access 1 

Armory Access 1

to open. The armory includes a number of 9x19mm and 5.56x45mm ammo boxes and a Workstation. There is also a chance for a Bulletproof Locker №7 to spawn inside the armory.

The two outside walls of the armory are also possible spawn locations for Emergency Power Stations.

Guaranteed Spawns:

• Inside the armory
  • COM-18
  • Flashlight
  • Radio
  • 9x19mm Ammo (210 Rounds)
  • 5.56x45mm Ammo (120 Rounds)

Possible Spawns:

• Inside the armory:
  • Bulletproof Locker №7
  • First Aid Cabinet
• On the outside walls:
• First Aid Cabinet (up to two)
• Emergency Power Station (up to two)

Micro H.I.D. Armory

Hallway

The door to the Micro H.I.D.

Inside the armory

	Armory Access Tier 3 Required
	SCP-079 AP Cost: 70 AP
	Door can be destroyed with explosives, SCP-018 and SCP-096

The Micro H.I.D. Armory is a hallway that is separated into two sections by a wall and two doors. This wall contains a breakable glass window.

Behind the two doors is a side room containing multiple server racks, similar to the ones seen in the Server Room. This side room has a chance for a Bulletproof Locker №7 to spawn in it, and two Emergency Power Stations can spawn on the wall as well.

In the middle of the side room is a armory that requires Armory Access 3 Armory Access 3 

Armory Access 3

to open. The room contains the Micro H.I.D. and a Workstation.

Guaranteed Spawns:

• In the armory
  • Micro H.I.D.
  • Workstation

Possible Spawns:

• In the side room
  • Bulletproof Locker №7
  • First Aid Cabinet (up to two)
  • Emergency Power Station (up to two)

SCP-939's Containment Area

As seen from the entrance

Overview of the room

The stairs that lead to the bottom of the room

The bottom of the room where SCP-939 spawns

SCP-939's Containment Area is a high area with a walkway on the left side. On the right side, behind a door, is a stairway that leads to the bottom of the chamber.

Falling off the walkway and into the containment chamber is fatal to human classes.
A Emergency Power Station, Bulletproof Locker №7, First Aid Cabinet or Workstation can also spawn on the walkway.

Both SCP-939 instances will spawn at the bottom of the stairs at the start of the round.

Possible Spawns:

• On the walkway:
  • Bulletproof Locker №7
  • First Aid Cabinet
  • Workstation
  • Emergency Power Station

SCP-049's Containment Area

Hallway with elevator that leads to SCP-049's containment area

SCP-049's containment area

SCP-049's chamber

The armory

(Armory)

	Armory Access Tier 2 Required
	SCP-079 AP Cost: 60 AP
	Door can be destroyed with explosives, SCP-018 and SCP-096

SCP-049's Containment Area is a hallway that contains an elevator leading upwards to the containment cell of SCP-049.

When a player travels up the elevator into SCP-049's Containment Area, two doors and some shelves can be seen. The bigger gate door is the door that leads SCP-049's empty containment chamber, while the normal door leads to a armory, which requires Armory Access 2 Armory Access 2 

Armory Access 2

to open. A Bulletproof Locker №7 can also spawn outside the armory.

The armory contains a Workstation on the right wall of the room. The left wall of the room will either contain a MTF-E11-SR Rack or a Weapon Locker Type 21.
A Emergency Power Station can also spawn on the wall of the hallway.

SCP-049 will spawn inside his containment chamber at the start of the round.

Guaranteed Spawns:

• Shelves in the back of the room
  • Zone Manager Keycard
• In the armory:
  • MTF-E11-SR Rack or Weapon Locker Type 21

Possible Spawns:

• Hallway:
  • First Aid Cabinet
  • Emergency Power Station
• Outside the armory:
  • Bulletproof Locker №7

SCP-096's Containment Area

Entrance to SCP-096's chamber

The dead Facility Guard found in the room

	Containment Access Tier 2 Required
	SCP-079 AP Cost: 40 AP
	Door can be destroyed with explosives, SCP-018 and SCP-096

SCP-096's Containment Area is a small room that contains SCP-096's containment chamber.

The room outside SCP-096's chamber contains a control panel that can't be interacted with. This smaller room has a chance for a Emergency Power Station to spawn on the right wall in the room. There is also a chance that an Bulletproof Locker №7 spawns beside the control panel.

The containment chamber's door requires a keycard with Containment Access 2 Containment Access 2 

Containment Access 2

to open. The chamber itself is a red-lit room, filled with movement sensors to keep track of SCP-096 when it's inside.
An MTF Sergeant Keycard and dead guard's body can be found on the floor in this chamber.

SCP-096 will spawn outside its containment chamber at the start of the round.

Guaranteed Spawns:

• Inside the containment chamber:
  • MTF Sergeant Keycard

Possible Spawns:

• Outside the contianment Chamber:
• Bulletproof Locker №7
• First Aid Cabinet
• Workstation
• Emergency Power Station

SCP-079's Containment Area

Entrance to SCP-079's containment area

SCP-079's containment area and cage

The Side Room in SCP-079's containment area

A plaque with the names of the main people who participated in the ARG

	Containment Access Tier 2 Required
	SCP-079 AP Cost: 110 AP
	Door can't be destroyed by any means

The entrance of SCP-079's Containment Area is a small stairway which leads to the two gates outside SCP-079's chamber.

At the start of the round, both gates will be locked shut and cannot be opened until all 3 Emergency Power Stations have been activated. Once all 3 have been activated, the gates will be forced open.

Behind the gates is a medium sized room that contains SCP-079 behind a cage.
There is also a side room that contains lots of loot and a button to terminate SCP-079. Pressing the button will cause the Overcharge event to occur, and will allow the gates to be open/closed with any keycard with Containment Tier 2. Near the upper right of the button, one of the four hidden Hubertballs can be found. It is nearly impossible to see without noclip.

A plaque can also be found in SCP-079's room for the ARG event held in December of 2019. The plaque has a list of the main people who participated in the event.
Scanning the QR code on the plaque leads to the following link

The area outside the gates contains two possible spawn locations for Emergency Power Stations.

Guaranteed Spawns:

• In the armory:
  • Firearms:
    • Crossvec
  • Grenades:
    • 3 Flashbang Grenades
    • 4 High-Explosive Grenades
  • Ammo:
    • 9x19mm (105 Rounds)
  • Body armors:
    • 3 Heavy Armors
  • Medical Items:
    • 3 First Aid Kits
    • 2 Adrenalines
  • Other:
    • 2 Radios
    • 2 Flashlights
    • 2 MTF-E11-SR Racks
    • 2 Coins (Hidden on top of an MTF-E11-SR Rack)
    • Workstation

Possible Spawns:

• Outside the containment chamber
  • First Aid Cabinet (up to two)
  • Emergency Power Station (up to two)

SCP-106's Containment Area

SCP-106's containment area

SCP-106's containment door that auto closes

Femur Breaker room

The lower level of SCP-106's containment area

The bottom SCP-106's containment area, where SCP-106 spawns

	Containment Access Tier 3 Required
	SCP-079 AP Cost: 110 AP
	The door can be destoryed by SCP-096

SCP-106's Containment Area is a massive room that contains the chamber of SCP-106. This room is a even darker compared to the rest of the HCZ.

To the right of the entrance is SCP-106's containment chamber. The chamber floats above the ground, held in place by powerful electromagnets. The chamber can be jumped to from the entrance platform, but missing the jump and falling is fatal. The top of the chamber can act as a hiding place or to avoid some SCPs.

The main doors require a keycard with Containment Access 3 CC3 doesn't exist anymore you idiot!!!! 

Containment Access 3

to open. Both doors will lead to the main control area in SCP-106's chamber.
Both doors function on a time lock similar to checkpoints and will automatically close after 10 seconds.

Inside the control room is a shelf, several control panels, a button, and the Femur Breaker.
The Femur Breaker is a small room that allows a single person to sacrifice themselves and re-contain SCP-106. Once a human goes inside the Femur Breaker, they are instantly killed and the door is closed behind them. Another human is also required to push a button in the control room. Once the button is pushed, an audio cue will start to play and soon after, SCP-106 will be re-contained.

An Emergency Power Station can spawn near the entrance of the room.

SCP-106 will spawn at the bottom of his containment chamber at the start of the round.

Guaranteed Spawns:

• On the shelf next to the Femur Breaker:
  • Coin

Possible Spawns:

• Outside the control room:
  • First Aid Cabinet
  • Emergency Power Station

Entrance Zone Checkpoint

Checkpoint

	Checkpoint Access Required
	SCP-079 AP Cost: 10 AP
	Door can only be destroyed with Remote Admin

The Entrance Zone Checkpoint is a checkpoint that connects Heavy Containment Zone to Entrance Zone.

A keycard with Checkpoint Access Checkpoint Access 

Checkpoint Access

is required to open the checkpoint. After 10 seconds, the checkpoint doors will close.

Two Emergency Power Stations can spawn on the HCZ side of the checkpoint.

Possible Spawns:

• First Aid Cabinet (up to two)
• Emergency Power Station (up to two)

Hallways

Hallways are repeating connectors in between unique areas and other hallways. Most of the time nothing of interest can be found in them.

Straight Hallway

Straight hallway

A simple straight hallway.

Corner Hallway

Corner hallway

A simple Corner hallway.

3-Way Intersection

T shaped hallway

T shaped hallway with Workstation

A simple three way intersection.

Possible Spawns:

• Workstation

4-Way Intersection

X shaped hallway

A simple four way intersection.

Map Layouts

There are five possible map layouts of Heavy Containment Zone. Special Rooms are randomized in these layouts.
Below are all the possible map layouts.
Credit:

• Mooshua - SL Layout Creator. This website is not official.

Trivia

• Multiple doors in HCZ are noticeably uncentered or too large for their frame. Have fun knowing this forever.
• In the game's code, the type of killbox the in Ammunition Armory's pit is called "Checkpoint Killer", as the killbox was originally made to prevent players from abusing an out of bounds expolit at checkpoints.
  • The same killbox is used by the Chaos Car.