Real-Time Position Measurement Integrated with CAD: Technologies and Their Protocols
Publication: Journal of Construction Engineering and Management
Volume 121, Issue 4
Abstract
The consortium for advanced positioning system (CAPS) was formed in December 1992. The purpose of CAPS is to assist the Civil Engineering Research Foundation (CERF) with a Cooperative Research & Development Agreement (CRDA). CAPS will field and test a new real-time laser-based technology, real-time differential global positioning systems (DGPS), and total stations to determine areas of functionality and how to best integrate these measurement devices to improve the work process and as-building capabilities. The founding members of CAPS are Spatial Positioning Systems, Inc., Blacksburg, Virginia; Jacobus Technology, Inc., Gaithersburg, Maryland; Bechtel Corporation, San Francisco, California; and CERF, Washington, D.C. Integraph Corporation Huntsville, Alabama, joined CAPS in May 1993. The U.S. Army Corps of Engineers (Corps) is participating in CAPS through a CRDA with CERF. The objective of the CRDA is to create and field-test a system that improves quality, speed, and accuracy of construction layout and generates real-time as-builts. This effort encompasses the integration of the aforementioned new laser-based positioning system, total stations, and DGPS with computer-aided design (CAD)/ systems to form a real-time construction layout and as-built development system (RtCLADS). This paper presents three positioning technologies, their capabilities, their limitations, and the protocol needed to support the objectives of the CRDA.
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Information & Authors
Information
Published In
Journal of Construction Engineering and Management
Volume 121 • Issue 4 • December 1995
Pages: 346 - 354
Copyright
Copyright © 1995 American Society of Civil Engineers.
History
Published online: Dec 1, 1995
Published in print: Dec 1995
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