What started as a university research program during which hard work and living “under bridges” were the engine that kept it going, became the foundation of one of the prime providers for diagnostic testing, infrastructure monitoring, and nondestructive evaluation in the world.
Starting Out 1988-1990
University of Colorado research: Testing 50 Bridges around the country while living in a motorhome below each structure.
Two years of adventures and misadventures in the field including lightning strikes taking out equipment, cattle getting tangled in instrumentation cables and destroying equipment, and semi truck wheel hitting the motorhome. The entire team survived all of this testing and in every case, obtained excellent data. During the entire two year testing period, many of the district DOT personnel in each location would “adopt” us for the week which including visiting every day to see how things were going, baking us a coconut cream pie, and lending us movies to play on our portable VHS player including the classic “Killer Klowns from Outer Space”.
Bungee Jumping 1990
Once BDI was formed, one of the first projects consisted of recording data for a startup company that offered bungee jumping from hot air balloons. The testing system was configured to record data from the gondola supports to ensure an adequate factor of safety was being maintained. Testing was overseen by an FAA representative, and payment consisted of eight free bungee jumps.
Based on experience gained through all of the temporary field testing, BDI began installing equipment for longer-term data collection.
ClearanceMaster 1993 - 2015
One afternoon while meeting bridge inspectors from the Colorado Department of Transportation (CDOT), they mentioned they were very tired after being up all night to record roadway clearances so that height limit signs could be posted if necessary. BDI personnel were amazed to learn that the measurements were being obtained by graduate students using telescoping rods on the roadway at night during lower traffic volumes. As each individual measurement was made, the student would shout the reading over to the inspector who would write them down. To BDI, this was an opportunity to develop an automated laser system that inspectors could mount on their van and never leave the vehicle. The first system was delivered to CDOT and they reported they were dramatically increasing their amount of sleep.
Supporting Research Efforts 1991 - Present
Many of BDI’s first projects consisted of supporting research institutions by conducting field tests on highway bridges and providing data for specialized analysis. Soon, railroad bridges and river control structures were also being added to the project list.
Developing & Manufacturing Hardware
China became the largest international STS customer
Full NDE Division
While BDI has utilized Nondestructive Evaluation (NDE) tools like ground-penetrating radar and acoustics for pile evaluations, a full NDE department was developed in 2016 to provide a complete suite of nondestructive testing and evaluation tools to our clients. From high-speed bridge deck inspection with our novel SounDAR device to American Society of Nondestructive Testing (ASNT) certified steel inspectors and everything in between, BDI provides NDE/T for all of our clients. These solutions typically go hand in hand with our testing and monitoring solutions and provide insight into why a structure may be behaving the way that it is. Additionally, we can use these tools and methodologies when testing and monitoring results identify an area of the structure that needs a higher resolution inspection. Overall, the NDE division supports BDI and its clients in providing a cradle to grave structural evaluation solution.
Developing Safety Programs
Critical to completing the field testing, several safety programs needed to be developed specifically for construction, highways, railroads, and river control structures since they are all under the jurisdictions of different agencies. Ropes access program has been developed which has required a great deal of specialized training for project personnel. A very large and comprehensive program was developed which is still followed and periodically updated.