Document ID: chunk:federal_register_of_legislation:F2015L00160:body:0:p11
Version: federal_register_of_legislation:F2015L00160
Segment Type: other
Provision Reference: 
Character Range: 26568–29320

A 'PID' field hut and an asbestos cement panel dog hut were later added. The hut housed glaciology monitoring equipment at West Bay. When positioned on the platform it stored dog meat and equipment.

The following early structures are spread throughout the wider station area.

Hangar
The Hangar is a 19.5 m x 19.5 m prefabricated building provided in 1956 to store RAAF planes. It is built directly on bedrock with an open web joist steel frame clad with corrugated and galvanised steel, and a full width vertical folding door. It has eight spaces and is partially floored with wooden packing cases stamped 'RAAF Antarctica, DAK'.
The Hangar has also been used as a geophysics building and plumbers' storage/workshop.  The door has not been opened for some 10 years.

Cosray (Cosmic Ray Laboratory)
Cosray is a 16.4 m x 7.3 m PTB Mark III pitched-roof construction built from zincanneal panels with double-thick (6") insulation, and set upon pipe-scaffold foundations.  It was finished in 1972 and designed to house Geiger counters recording cosmic rays. A unique feature of this building is an 11 m shaft to a seismic vault and an underground observatory area lined with timber from a demolished riometer aerial.
Cosray housed Geiger counters until they were replaced in 1982 with proportional counter telescopes to record cosmic rays.

Wombat (Science Building)
Wombat is 9.4 m x 9.4 m and was erected in 1976. It has five rooms/workshops, a corridor and cold porch. It was an experiment using Hardiflex asbestos-clad insulated panel with insulated scaffold tube stumps and a rectangular hollow section steel framed insulated panel. Wombat has a pitched roof and is bolted via steel girders to galvanised steep scaffold pipes set into bedrock. The exterior is coated in yellow/brown resin and the building is accessed via metal steps and platforms.

Transmitter Building
The Transmitter Building is an asbestos-clad 9.4 m x 7.3 m structure erected in 1976 in the same style as Wombat. The building has a workshop and a room that houses banks of high frequency radio transmitters. The foundations are made of steel scaffolding.

Old Auroral Observatory [identified as 'Hydroponics' on current maps]
The Old Auroral Observatory is a 7.6 m x 3 m flat-roofed zincanneal clad panel building bolted to wooden joists placed on railway sleepers set on a stone base. It has a cold porch, workshop and office.
The Observatory originally housed a spectrophotometer. It is now used for hydroponics.

Graves and cairns
Three graves are located on West Arm. The graves are rock-covered coffins with brass plaques and white wooden crosses. Two of the graves have two plaques – one from the family of the deceased, and the other from Australian National Antarctic