Laser Scanning

Johnson-Frank & Associates, Inc. began providing Laser Scanning services in January 2005. Since that time, we have successfully employed this technology on numerous projects throughout Southern California, Arizona, and New Mexico. The most notable of these projects were for Vulcan Materials, the City of Mission Viejo, the City of Santa Ana, and the Exposition Metro Line Construction Authority.

Vulcan Materials

Johnson-Frank & Associates, Inc. employed Laser Scanning Technology to more economically and accurately survey and calculate volumes for stockpiles at 6 separate gravel quarries located in Southern California, Arizona, and New Mexico. This project included 177 individual scans and the creation of digital terrain model's and volume calculations for 164 individual stockpiles.

Johnson-Frank also employed Laser Scanning Technology to assist Vulcan Materials with gravel quarry high wall analysis on three quarries located in Southern California. This involved scanning near vertical cliffs that could not have been surveyed conventionally and generating cross sections at specified locations along the walls of these quarries.

Johnson-Frank employs Laser Scanning Technology on various on-going earth moving projects for Vulcan Materials. These range from scanning and calculating volumes for single stock piles or borrow areas, to scanning entire quarries and calculating volumes for pay quantities for various individual sections of the quarry. These surveys provide high accuracy results while not interrupting the on-going work, and while keeping all survey personnel out of harm's way, away from the heavy machinery traversing the pit floor.

City of Mission Viejo

Johnson-Frank employed Laser Scanning Technology in Mission Viejo in connection with slope failure monitoring and slope reconstruction. This project required us to capture the re-constructed slope in a very short period of time so that plastic covering could be placed over the slope prior to oncoming rains. Having a short time frame and an unknown list of features to capture made Laser Scanning an ideal choice for this project. Having a virtual world allowed us to extract features that were originally not thought necessary by engineering and geotechnical professionals involved with the project.

City of Santa Ana

Johnson-Frank was contracted by the City of Santa Ana to provide topographic mapping of arterial streets throughout the City. The project consisted of 8 sections of arterial roads, a total of 6 miles in all. For safety and time constraint reasons, Johnson-Frank decided to employ a combination of conventional survey and Laser Scanning Technology. Conventional survey was used to recover and control the street centerlines, survey utility features, and survey features outside of traffic. Meanwhile, Laser Scanning Technology was used to survey the pavement areas as well as provide a quality check on the completeness of the conventional survey. Most importantly, this allowed our field staff to minimize their time in traffic, and therefore greatly reduce the possibility of injuries.

Exposition Metro Line Construction Authority

As a member of the design-build team for the Mid-City/Exposition Light Rail Transit Project, Johnson-Frank employed Laser Scanning Technology to survey the freeway surface and the undersides of the Flower and Adams bridges over the 110 freeway. Laser Scanning Technology allowed us to obtain a high degree of accuracy on the structures in question and it allowed us to do so without any freeway lane closures or traffic obstructions of any kind. In addition, it allowed us to keep our survey personnel out of harm's way, away from the high speed traffic on the freeway at all times.