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Continental mapping projects las vegas water treatment plant

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Continental mapping projects las vegas water treatment plant

  1. 1. CONTINENTAL MAPPING Mapping from Earth, Sky and Space www.continentalmapping.com Madison, Wisconsin Indianapolis, Indiana Kansas City, Kansas St. Louis, Missouri Wastewater treatment facilities are extremely congested and complicated facilities. The 140 acre plant outside of Las Vegas Nevada is perhaps one of the most complex sites in the U.S. Infrastructure improvement planning dictated the need for a comprehensive mapping effort. Continental Mapping was engaged to complete this effort and proposed high accuracy aerial mapping (0.10 foot vertical accuracy on hard surfaces) as well as 3D model- ing of the infrastructure on the site. Careful project planning, flight planning, and tower coordination was required given that the project was in the McCarran Airport flight path and one runway was down for maintenance. Quality, low altitude (2.5 cm GSD) aerial imagery was acquired to eliminate as much building lean induced obscured area as possible. Continental Mapping collected all of the building rooflines, bases, stairs, interior tank walls, domed roofs, standing walls, and other features with significant vertical displacement as wire frame 3D features in Microstation. The ground surface was also collected to develop a tradi- tional DTM. Post design, 3D renderings were then developed by the prime contractor to showcase existing and proposed states. LOCATION: Las Vegas, Nevada YEAR COMPLETED: 2012 OBJECTIVE: Provide high accuracy imagery, mapping, and 3D delivera- bles from low-altitude aerial photogrammetry KEY POINTS: • Visualization: true 3D features • Accuracy: 0.1’ vertical & 2.5 cm GSD • Complex: extensive infrastructure remodel • Deliverables: orthophoto, 3D terrain surface, planimetric mapping, 3D CAD features to support modeling, and visualization Las Vegas Public Works Photogrammetry & 3D Modeling

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