The 4,000' long runway 13/31, at the Fort Lauderdale Executive Airport was in
need of pavement rehabilitation. To complete the design requirements for
pavement rehabilitation, the runway needed to be accurately surveyed. Due to a
current shortage of airport security staff the survey could only be completed
with one survey crew on site at a time. The solution was to combine conventional
survey digital terrain modeling (DTM) data collection methods with the newest
survey technology, 3D laser imaging. This combination was employed to capture
the digital data required to generate a DTM of the existing conditions of the
runway. Conventional surveying methods were used during daylight hours for ease
of operation and in areas alongside the runway. A 3D laser scanner was used to
survey the entire length of the runway surface during one evening when the
runway was scheduled to be closed. Capturing a majority of the data required in
one evening's operation allowed the project to maintain its fast paced schedule.
Accurately mapping the runway with no interruption of air traffic was critical
to airport operations staff. The combination of technology allowed data
acquisition to be completed simultaneously and the project to remain on
schedule, in spite of Hurricane Katrina's landfall, which occurred two days
after data collection was completed. Had conventional methods only been employed
the project would not have been completed on time and the runway operations
would have ceased for an unacceptable period of time.
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