Sector D Administration

Sector D Administration
General information
Destroyed	200-, during the Black Mesa Incident
Location	Black Mesa Research Facility
Usage
Era(s)	Black Mesa Incident
Affiliation	Black Mesa
Game information
Map(s)	c1a2, c1a2a, c1a2b, c1a2c, c1a2d (Office Complex) ; c1a3, c1a3a, c1a3b, c1a3c, c1a3d ("We've Got Hostiles") ; c1a4, c1a4b, c1a4d, c1a4f, c1a4g, c1a4i, c1a4k (Blast Pit) ;
Designer(s)	Ted Backman (Silo D concept art) ; Kelly Bailey (Silo D concept art) ; Karen Laur (textures) ;

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"Hey, what the hell are you doing down here? Get topside! I hear troops are coming in to save us!"

―Security guard^[src]

Sector D Administration^[3]^[4] is one of the seven main sectors of the Black Mesa Research Facility. Appearing only in Half-Life, it is covered by three chapters: Office Complex, "We've Got Hostiles" and Blast Pit. It is connected to the Yellow Line of the Black Mesa Transit System.^[4] As suggested by the name of several texture files used in the area, many parts of Sector D, notably the Administration Center, were built in the 1950s.

[edit] Overview

[edit] Administration Center

"There are monsters everywhere in this bleak environment. You are surrounded by office complexes in that drab, depressing style, and they are filled with drab, depressing civil servants. Jumping and crouching is the key to this level, as is figuring how to climb onto difficultly placed elevators. Oh, and a tip: if you see a ladder, climb it."

—The Office Warrens description^[src]

Covering the chapter Office Complex, that section is accessed from Sector B by an elevator. It is mainly a large underground complex where the bureaucratic aspects of Black Mesa's upkeep take place, along with some limited research. The floor is mostly covered with black and white tiles placed in a checkerboard fashion, typical of the area.

[edit] Executive Lounge

On the right in the corridor after the Sector B elevator, this section consists of a dimly-lit small lounge with sofas and vending machines, one of them filled with cockroaches. Barnacles are also hidden in the false ceiling, and the two scientists hiding there soon become their victims.

Going left in the corridor after the Sector B elevator leads to the Administration Offices, the High Security Storage Facility and the Cafeteria. The sign indicating the main sections also feature the words "Work harder, not smarter" under the section names.

An explosion caused damage in the corridor, partially damaging the ground and causing electric cable to hang from the false ceiling. To proceed further, Gordon must turn off the power from the Executive Lounge.

As the next door is closed, the nearby window must but broken to enter. The first office to be found is the office D-AL 101, belonging to Dr. Newell. At the time of the Black Mesa Incident, it is flooded and electricity is running through the water.

Nearby are also two storage rooms. One of them, a small one, has a Zombie inside. The other, further and larger, is behind a fence where a security guard can be found. As a Zombie is arriving behind, it has to be killed as fast as possible, as if the guard is killed the access to the storage room, full of supplies, will not be granted.

Since the doors granting access to the rest of the Sector are closed, Freeman must use the vent in Newell's office to proceed, involving a small puzzle to turn off the power.

[edit] High Security Storage Facility (small)

After some other puzzle vents to go around the closed doors, a small High Security Storage Facility is reached. A medium room filled with crates, it is protected by a Ceiling Turret that kills a scientist and the many Headcrabs found there. Below the turret is a switch that turns it off.

[edit] Administration Offices

The Administration Offices are split into three main sections, with the Cafeteria in the middle.

[edit] Admin 1

In the first office, D-AL 101, two scientists are found trying to escape through a vent, to be killed inside shortly after. D-AL 102 consists of two rooms. Another office with a calendar can be found, as well as a small lounge that has a Maintenance Access hidden in the false ceiling leading to the Ceiling Turret located beyond, in the stairs. Stairs a several corridors will lead to the Cafeteria.

[edit] Admin 2

Consists of corridors, the Cafeteria and D-AL 101, a small office with supplies only accessed through vent, with its door leading to the Cafeteria.

The Cafeteria consists of a large and mostly empty room where several scientists lying dead in their blood on tables. A door leads to stairs leading to the Admin 3 section, but it cannot be opened when Freeman gets there. A balcony above is also linked to the top of stairs leading to the Admin 3.

A barricaded corridor will lead to another, small room with coffee machines, one of them with "Valve" written on it. What follows is a large walk-in freezer with meat hanged to the ceiling and Bullsquids fighting Headcrabs. Again, Freeman will be able to reach Admin 3 through vents, after using a crate conveyor in the freezer.

[edit] Admin 3

After going up the stairs leading to Admin 3, the G-Man can be seen behind a closed door on the balcony above the Cafeteria.

What is seen of Admin 3 is the office of Dr. Van Buren, another dark office linked to it, and a glass bridge going over the corridor. After that is an elevator leading to a bigger High Security Storage Facility. It is jammed when Freeman gets on the spot, and scientist is hanging to the ladder hanging from it. As Freeman climbs inside the shaft towards the elevator, the scientist falls to his death. Afterwards Freeman gets inside the elevator, and its doors open to the High Security Storage Facility.

[edit] Gallery

This section is in the middle of an expansion or major revamping.

[edit] Pre-release

Cut Scientist trying to open a door.
"c1a2a" map.
Ditto.
Ditto.
Ditto.
Ditto.
Ditto.
Ditto.
Some minor differences.
Elevator shaft.

[edit] Retail

A cafeteria in the office areas before the freezer.
A large walk-in freezer.
Ditto.

[edit] High Security Storage Facility

[edit] Facility 1

Covering the chapter "We've Got Hostiles", the High Security Storage Facility is a large semi-subterranean warehouse made of interlocking Storage Areas located on the surface, built right above the Administration Offices. As the HECU has just invaded the facility, many Sentry Guns and Laser Tripmines are installed among the facility, killing both scientists and Xen creatures. Most areas are separated with heavy fire doors that will close when their emergency button is pressed. The HECU are also put many metal crates here and there to hinder anyone's progression.

After leaving the Administration Offices elevator, the blast door to Silo D can be found, with a security office in front of it, containing the switch to open the door. This is where Freeman will leave the area for Silo D, when he can reach the security office through a vent.

[edit] Storage Area 1

Contains Sentry Guns, crates and teleporting Headcrabs.

[edit] Storage Area 2

In the first room more Sentry Guns are two scientists who are soon killed. Water is leaking from a pipe, making the ground slippery. An open elevator shaft can also be found. The slippery ground adds to the difficulty of avoid to fall into the elevator shaft and defeating the Sentry Guns at the same time.

In the second room, the G-Man is seen again on a catwalk. A blast door leads to Storage Area 3, but is is shut.

[edit] Storage Area 3

After reaching that room with G-Man's catwalk, a scientist runs to the first HECU soldier to be seen; the latter shoots on sight, showing Freeman the army is not there for a rescue. An elevator goes up to another Storage Facility.

[edit] Facility 2

This area located above the first Storage Facility is reached by an elevator.

[edit] Storage Area 1

There the massacre actually starts. HECU soldiers continue firing at scientists. A corridor then leads to Storage Area 2 or Storage Area 3.

[edit] Storage Area 2

This is a large room filled with crates and Barnacles. The massacre continues.

[edit] Storage Area 3

The lower section of that area has a conveyor belt used by Freeman to reach Area 2 from Area 1. He then goes back to Area 3 from a bridge located above, then leaves through the Surface Access elevator that leads to an outdoor area upstairs. There more HECU troops and an Osprey are waiting for Freeman.

[edit] Central Ventilation

Freeman must travel through the Central Ventilation, then the vents that go around the previously visited Storage Facilities, to finally reach the office with the Silo D access door button. There a scientist tells him to seek for help at the Lambda Complex.