49th ASC Annual International Conference Proceedings Copyright 2013 by the Associated Schools of Construction Tracking Systems in Construction: Applications and Comparisons Elhami Nasr, Ph.D., PMP Tariq Shehab, Ph.D and Ana Vlad California State University, Long Beach.. Although IPhones have demonstrated very good performance in many construction applications such as, creating and tracking bid processes navigating 3D Building Information Models (BIM) and their associated data creating and saving CAD drawings and performing many electrical/mechanical/carpentry/drywall/concrete/excavation calculations, they might not be very suitable tools for tracking of resources, specially tools (Rodriguez 2013).. Although initial investment and interest rates cause wide variations in the outcomes of these economic criteria, many researchers reported an average payback periods of 18 and 36 months for RFID and GPS technologies, respectively (Pisello 2006, European Commission 2008, Telogis 2013 and GPS Insight 2013).. 49th ASC Annual International Conference Proceedings Copyright 2013 by the Associated Schools of Construction Table 1 Average Initial and Operating Cost GPS RFID 25 cars 2000 items 25 1 Employee wage 30/h 12.5/h Payroll Saving 4,500/fleet/month 712/labor/month 806/fleet/month N/A N/A 1,852/month Total savings and benefits/month 5,306/month 2,564/month Hardware Cost (equipment and installation) 14,000/fleet 21,000 Tag Cost N/A 1200 Software cost N/A 15,000 Professional services N/A 10,000 Total initial cost 24,485 55,000 Monitoring cost 10,485/year N/A Software maintenance cost N/A 3,000/year Hardware maintenance cost N/A 2,000/year 10,485/year 5,000/year Number of tracked items Number of labors Fuel Savings Benefits gained from better service delivery Running cost Applications of Tracking Systems in Construction Table 2 and the following sections present the use of RFID, GPS and UWB technologies in construction.. 49th ASC Annual International Conference Proceedings Cop
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