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RE7.A. - Page 437 Expansion Project#:11637.0 <br /> Auyus�v,�v�� Page 22 <br /> o Approach #2 - Using the highest trip generation observed at any of the other 5 <br /> island Costco Gasoline facilities in the continental United States, <br /> o Approach #3 - Using before and after data from other Costco Gasoline expansion <br /> sites to develop a percent increase in trip generation based on that seen at those <br /> locations, and <br /> o Approach #4 - Assuming a straight linear increase in trips proportionate to the <br /> increase in fueling positions (i.e., a 66%increase in trips) <br /> Evaluation of the trip generation range resultant from the above approaches to determine <br /> a reasonable, yet conservative, estimate to use for the Redwood City fuel station <br /> expansion <br /> These steps and the resultant findings for each are outlined in the following sections. <br /> Comparison of Redwood City Activity to Other Costco Locations <br /> To provide context for the trip generation evaluation, Costco provided the recent sales volume for the <br /> existing Redwood City fuel station. The same known, real world data was pulled for other proximate <br /> locations to document how activity and sales at Redwood City compares to that of other example <br /> locations. The details and specifics of the representative sites used to determine a baseline are shown <br /> in Table 9. The specific membership information and actual sales and activity volumes are not listed <br /> due to the privacy and proprietary nature of the data, but the activity and volume level of each <br /> sample site in comparison to the baseline Redwood City site is provided. <br /> Table 9 Example Fuel Station Characteristics, <br /> January 1, 2011-May 31, 2011 (gas), November 1, 2009-May 31, 2011 (warehouse) <br /> Percentage of Redwood City Costco Data <br /> Number of Total Fuel Average Daily Average Daily <br /> Location Fuel Islands Transactions Gallons Sold Warehouse Size Warehouse Sales <br /> Redwood City 3 100%(Baseline) 100%(Baseline) 100%(Baseline) 100%(Baseline) <br /> Santa Clara 3 109% 109% 84% 101% <br /> EI Camino 4 138% 126% 91% 125% <br /> NE San Jose 4 138% 136% 91% 106% <br /> SanJosell 4 114% 109% 97% 106% <br /> Kittelson&Associates,Inc. Boise,Idaho <br />