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RFID Saves Man-Hours, Boosts Safety at Middle East Construction Project
Consolidated Contracting Co. has managed the flow of workers onto and off its Oman and UAE sites for safety and efficiency purposes, using Identec Solutions' active UHF RFID badges, UHF readers at gates and LF exciters installed under speed bumps.
Jan 11, 2017—
Consolidated Contracting Co. (CCC), the largest construction and engineering company in the Middle East, has built and tested an active radio frequency identification-based solution to automatically capture data regarding the comings and goings of thousands of workers at several gas-production plants in the region. Initially, the system was used for a project at the Petroleum Development Oman (PDO) refinery, in Oman, to track 4,000 construction workers as they arrived and departed in approximately 50 buses each day.
The construction firm has also been testing other RFID systems for yard and warehouse management, as well as for fuel station management. Next year, the company plans to install the yard and warehouse asset-management and access-control systems during future projects.
To automate gate access, CCC has been developing and testing RFID-based systems since 2013, seeking a way in which to identify employees arriving at worksites in buses. The company's primary goal is worker safety, says Hazem Rady, CCC's head of IT, EAM solutions, for business technology and innovations. If emergency evacuation were required or if an accident occurred, the company would want to know who was onsite. Additionally, the firm intends to use the collected RFID data to better manage how projects onsite are staffed via analytics, and to enable automatic payroll.
CCC wanted the vehicles to be able to enter the worksite without drivers having to stop and provide individual IDs. The company first tested an RFID system with passive RFID badges for workers (see CCC Expands RFID Pilot Projects), but found that while the readers could detect the ID number linked to each employee, and thus knew he or she had passed through a gate, it could not ascertain the direction in which that person was moving. For that reason, the system was initially established with two gates: one dedicated to entering and the other to exiting. But that is not always a convenient use of space, and so CCC sought a solution that could measure directionality without requiring the installation of numerous ultrahigh-frequency (UHF) RFID readers around the facility.
Therefore, CCC approached several vendors before ultimately selecting a system from Identec Solutions consisting of solar-powered, active UHF i-PORT M350 readers with two directional antennas, as well as an active low-frequency (LF) i-MARK 3 reader with antennas installed under two speed bumps. The M350 readers have bidirectional communication, flexible frequency ranging and read-write features to interrogate tags located up to 250 meters away, explains Lee Wagstaffe, Identec's oil and gas sales VP. The LF reader serves as an exciter—its transmission is received by each tag carried by workers aboard buses and other vehicles, and the tags then forward that data to dedicated readers at the gate. Since vehicles pass over one speed bump and then another, the solution is able to detect the direction in which the tags are moving, based on the sequence of speed bump exciter transmissions received. The data from the RFID reads is managed by CCC's own software, residing on the company's own server.
CCC has been testing the technology at its oil and gas project in Abu Dhabi, in the United Arab Emirates, as well as at the PDO refinery in Oman. The active UHF RFID-based system from Identec has been permanently deployed with the completion of the projects in 2016. The RFID-enabled system—which the construction company calls Smart CCC—may also be installed at a new pipeline project in Kazakhstan in 2017, initially for yard-management purposes. CCC is currently looking at future projects for the gate-management technology.
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