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File:MCL-Swan-St-vent-shaft.jpg

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Summary

Description
English: This was taken at the base of a ventilation shaft, with the open top just out of sight. The shaft is in Melbourne, on the south side of Swan Street (Olympic Parade) just west of Gosch's Paddock. It's about half-way along the Burnley tunnel on the CityLink freeway. When this photo was taken (mid 1997), the shaft was 65 metres deep and 10 metres diameter. At the time, the shaft was being used for the construction of the Burnley tunnel instead of permanent ventilation. The two big steel circular ducts running down the sides were temporary ventilation ducts to extract foul air from the headings east and west of the shaft, and there was a crane that raised & lowered a birdcage for the tunnellers (the birdcage isn't shown, but its cable is just visible mid-field).
Once the tunnelling was completed, the shaft was fitted out with the following: a 250 mm thick secondary lining to stop the weeping water; a staircase; steelwork to support a pair of fans used for air supply/smoke extract; and an Alimak hoist down to road level. If you go to the site today, all you'll see is a grey one-storey building with an external steel frame and an octagonal ventilation intake/outlet on the roof. The location of the shaft is marked on the Melways map as an escape route from the Burnley tunnel.
Date 1 September 2008 (original upload date)
Source Transferred from en.wikipedia to Commons.
Author The original uploader was Ecb at English Wikipedia.

Licensing

GNU head Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the section entitled GNU Free Documentation License.
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Original upload log

The original description page was here. All following user names refer to en.wikipedia.
Date/Time Dimensions User Comment
2008-09-01 22:02 1856×1271× (231701 bytes) Ecb TBA

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1 September 2008

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Date/TimeThumbnailDimensionsUserComment
current13:55, 28 August 2020Thumbnail for version as of 13:55, 28 August 20201,856 × 1,271 (226 KB)WongmTransferred from en.wikipedia via #commonshelper

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