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RE7.A. - Page 257 Expansion Project#:11637.0 <br /> Auyus<<v,LV1L Page 45 <br /> Table 22 Recommended Expanded (20 Fueling Position) Redwood City Costco Gasoline Trip <br /> Generation Estimate—Weekday PM Peak Hour <br /> Existing Site 5 Island Expanded <br /> Trip Generation Trip Generation Difference <br /> In Out Total In Out Total In Out Total <br /> Total Trip Ends 200 200 400 250 250 500 50 50 100 <br /> Internal Trips(22%PM) (45) (45) (90) (55) (55) (110) (10) (10) (20) <br /> External Trips 155 155 310 195 195 390 40 40 80 <br /> Pass-by Trips(22%PM) (35) (35) (70) (40) (40) (80) (5) (5) (10) <br /> Diverted Trips(59%PM) (90) (90) (180) (115) (115) (230) (25) (25) (50) <br /> Net New Trips 30 30 60 40 40 80 10 10 20 <br /> Again,this equates to an increase of 100 additional total trip ends and 20 additional net new trip ends <br /> over what the site is currently generating during the weekday p.m. peak hour. <br /> Five Island (20 Fueling Position) Costco Gasoline Operations <br /> To provide further information on the effects of the fuel station expansion, operations of the two <br /> existing 5 island (20 fueling position) locations were further reviewed. While the trip generation for <br /> the Scottsdale location is higher than the existing Redwood City fuel station, it was observed that the <br /> increased number of fueling positions allows for more efficient processing of vehicles, shorter wait <br /> times, shorter queues, and less idling. Table 23 shows the queuing observed at the two existing 5 <br /> island Costco Gasoline fuel station locations (Scottsdale and Tucson), as well as those observed at the <br /> existing Redwood City site for comparison. <br /> Table 23 Queuing Data for 20 Fueling Position Costco Gasoline Facilities <br /> Weekday PM Peak Period Weekend Midday Peak Period <br /> Redwood Redwood <br /> Scottsdale Tucson City(ex) Scottsdale Tucson City(ex) <br /> Average Queue 23 13 28 37 2 31 <br /> Maximum Queue 33 16 51 44 5 56 <br /> 95th Percentile Queue 32 15 45 42 2 52 <br /> The table shows that even though the Scottsdale location currently generates about 100 more total <br /> trip ends during the weekday p.m. peak hour and 140 more total trip ends during the weekend <br /> midday peak hour than the existing Redwood City fuel station, it has shorter average, maximum, and <br /> Kittelson&Associates,Inc. Boise,Idaho <br />