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SELF-BUILD & CUSTOM BUILD PROJECT REPORT
The crisp, minimal aesthetic and limited palette of materials, including timber, brick and concrete, is intended to create a calm,
contemplative environment
“We went to meet the company and they were incredible, probably the best joiners I have come across in my 20-odd years as an architect,” says Shannon.
Every truss was hand-crafted from sheets of cross laminated marine ply, to very tight tolerances. Each had a bespoke carry box made, similar to a violin case, designed to protect it during transit from the West Country. The firm even invented unique carrying trolleys and hoists needed to lift the trusses into position from the excavated basement floor.
Unlikely BIM
Despite its small size, the Hidden House was a BIM project, and in fact served as a test bed for LTS’ implementation of the technology. “Autodesk Revit was a new drafting tool that enabled us to detail components in a way we hadn’t been able to before. It is also a great presentation tool, many of the visualisations are a very close match to what we ended up deliver- ing,” says Shannon. Working in Revit enabled the team to gain a detailed understanding of the exist- ing building’s geometry – many of the footings and the party walls are out of line – and work to fine tolerances of +/- 0.5 mm, not normally associated with a domestic job.
CNC
The joiners exported the Revit model to run CNC milling machines used to manufacture the trusses and staircases on the project
the windows of neighbouring properties, and simultaneously allow diffused light to penetrate vertically into the property. The roof above the lobby incorporates a layer of glazing on one side of the pitch to bring light into the interior.
The timber has a personal connection to the owner as it was hand-crafted by Exeter- based Touch Design Group, a joinery business involved in delivering projects for his business.
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The joiners didn’t work directly in the software, but exported the model to run CNC milling machines used to manufacture the trusses and staircases. In addition, BIM helped the designers achieve important precision connections between the frame- less glass floors and brick walls. “It was crucial to make the connections look effortless, the tolerances we were working to were ridiculous,” says Shannon. “The house is almost like a 1:1 scale model, which is credit to the joiner and the contractor, Broseley. I have not been able to get the same level of quality and precision consistently across a project, before or since.”
ADF JUNE 2017
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