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Real-Time GPS and Non-Line-of-Sight Metrology.

pdf icon Real-Time GPS and Non-Line-of-Sight Metrology. (1532 K)
Stone, W. C.

NISTIR 5856; May 1996.

National Institute of Standards and Technology. NIST Construction Automation Program, Report No. 2. NIST Construction Automation Workshop. Proceedings. Chapter One: Topical Lectures. Paper 1.5. March 20-31, 1995, 29-41 pp, 1995.

Available from:

National Technical Information Service
Order number: PB96-202239


construction; technology transfer; robotics


I would like to pick up where Eric left off and describe the results of research which is currently underway at NIST in the field of construction metrology. Earlier I indicated that there were many technological steps along the way to implementing the real benefits of automation at a construction site. The underpinning of all of this is the need to know where things are. In the past this need has been met (in a minimal way) by static benchmarks and survey stakeouts provided by field crews. Even with digital total stations and laser or infrared based electronic distancing, this is a slow and tedious process. And it must be repeated many times during the course of a construction job as the geometry of the worked terrain changes.