Architectural Survey Specialists

3-D Modeling for Architecture Williamson Technical Services Limited completed a project to provide a dimensionally accurate 3-D computer model of the flying buttresses at Liverpool's Catholic Cathedral. The requirement for such a model was to facilitate the detail design of the cladding and define the exact dimensions of panels with the object of rationalising their fabrication and eliminating the need for any on-site modifications or trimming. The survey was carried out using electronic survey equipment complete with data capture facilities with the surveyors gaining access to the 70 metre high buttresses by abseiling. The resulting 3-D computer model assembled from the survey data can be dissembled into individual buttresses, in order to study the details of their geometry or used as a composite

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