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The two options considered by the Liaison Committee were: • Option 1 -- Permanent Installation System: Install a permanent, fully integrated system with vendor support and customized software. This system would use specialized noise measurement equipment and integrated complaint management software. Sophisticated flight tracking equipment could be added at an estimated cost of $350,000 to aid in the positive identification of aircraft movements. City staffing would be necessary to operate and maintain the system. The total cost of the system installation would range from $270,000 to $700,000. • Option 2 -- Periodic Consultant/Vendor Services: Contract with a qualified acoustical consultant to conduct a one-time study, to include noise measurements and aircraft observations, and to prepare reports of the findings. The consultant's equipment, software, and staffing needs would be supplied from the consultant's existing resources. The consultant's fees for services would cover all capital costs and expenses, including technical support. This study and each additional study required for the noise monitoring program is estimated to cost $85,000 to $90,000. Noise measurements will be taken over aone-week period and include weekdays and a weekend and be conducted during the summer and fall periods to obtain the most representative measurement data per study. Based on the latest information, the acquisition and installation of a permanent noise monitoring system (Option 1) would create aone-time cost impact. Ongoing annual operating and system maintenance costs are estimated between $50,000 and $80,000. The consultant noise study (Option 2) would be an estimated cost per study, while additional studies could be requested, as desired. The following are the initial cost impacts on Livermore and Pleasanton, with an assumed pro-rata share of three-fifths (3/5) and two-fifths (2/5) of the cost, respectively: S stem O tions: Livermore Pleasanton O tion 1 /Permanent Installation $162,000 / $420,000 $108,000 / $280,000 Option 2 /Consultant Noise Stud $51,000 / $54,000 $34,000 / $36,000 Monitoring Locations The five potential locations for the noise monitors were suggested by Brown-Buntin Associates, the firm that conducted the Livermore Noise Study. The locations listed below were selected to describe noise levels at the nearest potentially affected neighborhoods and to be relatively close to the 60d6 Community Noise Equivalent Level (CNEL) contours. The final locations would be determined after a consultant is selected to do the noise monitoring. • In AI Caffodio Park at the west end of Marseille Avenue in Livermore; Page 3 of 4