There is a small inspection hatch in the north end of the chapel, which allowed access for a camera and lighting so that an inspection could be made of the upper part of the roof truss.
The construction is described as a King Post, or Crown Post structure, where a post rises vertically from a crossbeam to the apex of the roof.
A diagram of the roof will be posted later, and it will be exposed briefly during refurbishment as the slates are removed during conservation works.
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| Roof structure looking south (George St side). |
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| Roof structure looking south (Jackson Pit side). |
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