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Laser scanning the Cyfarthfa Castle Ice House

Conservation
6th May
Laser scanning the Cyfarthfa Castle Ice House

Originally Posted on Sep 06, 2016 by Steve

In June 2016 we were asked to laser scan the ice house at Cyfarthfa Castle near Merthyr Tydfil. A team of engineers needed to assess its structural safety. Unfortunately, this posed a bit of a problem…

Cyfarthfa Caste

The engineers at Merthyr Tydfil County Borough Council needed to assess the strength of the roof dome of the restored ice-house. They asked us to carry out a full laser scan of the structure and produce drawings for their calculations. We found it easy enough to get around the external areas and entrance tunnel. However, the inside shaft had a 5m drop where the tunnel joined it. There was no safe way of getting the scanner to the bottom of the shaft to scan the inside of the domed chamber. We used our initiative, an extending tripod, plasterer’s props, a length of rope and plenty of cable ties. Then we suspended our £40,000 laser scanner over the shaft. Now we could safely capture every detail. You can explore the point cloud 3D capture of the ice house using the viewer below. You can use your scroll wheel to zoom in and out, hold your left mouse button to orbit and the right button to pan.

Scanning the ice house entrance
Using a bit of innovation to scan the ice house chamber
The Faro laser scanner was carefully suspended over the ice house chamber