Black Mountain Tower

The Black Mountain Tower ( formerly known as Telstra Tower ) is a TV tower in the Australian capital Canberra and one of the most famous landmarks of the city. Located on the Black Mountain 195 meters high tower was named after the telecommunications company Telstra, and was completed in 1980. It houses besides various telecommunications facilities and a visitor area; this includes an observation deck, a revolving restaurant, a café, a museum of telecommunications as well as a souvenir shop. The tower stands on a three-storey podium.

Data

• Foundation Outside diameter: 20.9 m
• Inner diameter 7.2 m
• Depth of 3.28 m
• Steel reinforcement: 112 tons
• Concrete volume: 630 m³

• Diameter at the base of the tower: 20.9 m
• Diameter at the highest point: 3,9 m
• Wall thickness: 0.65 m
• Steel reinforcement: 335 tons
• Concrete volume: 1930 m³
• Shaft height: 132.3 m

• Antenna element: 90 tons
• Height: 63.1 m

• Two floors, each 59.7 x 40.0 m footprint
• Lobby: 10.3 m diameter

The three-storey tower basket has a diameter of 27.89 m, its volume is 8446.43 m³. The tower features apart from the accessible to public visitors level on three underlying operating projectiles ( 30.5 to 42.7 m ), each with 27.56 diameter. The volume is 12690.49 m³