Last summer, an eight-lane bridge on Ottawa’s Route 417 was replaced in just 17 hours using SPMT, computer-controlled platform vehicles that move bridge systems weighing up to several thousand tons with fraction-of-an-inch precision. It was a feat that would normally take two years. As a geomatics and surveying crew with design and consulting firm Stantec worked under the gaze of hundreds of onlookers, the question on many minds was, “Will it fit?” That question could not be answered until the final moments of installation.
In the April 2017 issue of POB, find out how 3D tools played a role in the renovation of the Institute of Civil Engineers headquarters in London. Also, POB releases the results of its 2017 3D Surveying Trends Study.