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3D VISION


SURVEYING • THE USE OF LASER TECHNOLOGY TO BUILD A 3D IMAGE OF THE FACILITY IS GAINING GROUND IN THE STORAGE TERMINAL SECTOR


BULK LIQUIDS STORAGE terminals are increasingly turning to 3D laser scanning as a means of obtaining accurate tank data and modelling facility layout. Recent technical innovations can help operators in the efficient day-to-day running of their terminals, ongoing maintenance and in engineering planning for expansion work. Traditionally, the equipment used to gather


information about storage tanks required the erection of temporary access platforms, causing disruption to terminal operations. In addition, the information gathered about the tank surface was generally limited to


a few hundred data points, generating reports that provided sub-optimal data and scope for application. In worst-case scenarios, inaccuracy or absence of data can lead to costly incidents such as a storage tank rupture, with consequential repair costs, loss of asset uptime and negative environmental impact. In comparison to traditional methods, laser scanning collects information from several million data points, providing detailed information about a tank and its surrounding area. Laser scanning can be used to accurately map entire facilities as


well as provide bund volume calculations and modelling of local pipework and supporting structures. This technique eliminates human error and


leaves the customer with a more detailed and higher resolution report that can be exported as electronic files compatible with the client’s design software, or accurate 2D CAD drawings including piping isometrics and orthographics. Accuracy is within a tolerance of +/-2 mm.


WHAT IT OFFERS Over the past two years Advanced 3D Laser Solutions has established itself in the UK downstream oil and gas market, providing 3D laser scanning services to terminals and industrial facilities; including a recent project for Vopak London. Peter Lloyd, engineering manager at


Vopak London, says: “3D laser scanning the terminal has proven to be of great use, saving time in draughting plant layouts and process and instrumentation diagrams (P&IDs), the key area of benefit being the elimination time involved in the logistics of getting to and from the process plant and conducting surveys. Also, it provides quick


HCB MONTHLY | SEPTEMBER 2016


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