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7.B. - Page 5 <br /> Commissioners expressed an interest in understanding more about the <br /> expansion of other Costco gas station facilities elsewhere in the country. Of <br /> particular interest were those gas stations that expanded to 20 fueling positions. <br /> • Traffic study methodology, including trip generation, corresponding air quality <br /> analysis, and fuel volumes; <br /> Costco provided a traffic study that identified multiple methodologies. From those <br /> methodologies deemed valid the most conservative approach was taken. During <br /> the public hearing Commissioners asked clarifying questions regarding the <br /> selected methodology to ensure there was a solid understanding of whether <br /> additional vehicle trips would be the result of the expanded gas station. <br /> Additional consideration was given to the potential air quality benefits and/or <br /> impacts. Lastly there was some discussion about whether the additional fueling <br /> positions would increase the overall fuel volumes, especially as it pertained to the <br /> number of fuel drops and the permit issued by the Bay Area Air Quality <br /> Management District. <br /> • Queuing and On-site circulation <br /> Commissioners expressed an interest in understanding how the proposed <br /> expansion would affect the existing queue lengths and whether the extended line <br /> would be necessary under the proposed expansion. Furthermore, additional <br /> concern was expressed regarding the "internal intersection", i.e. the location <br /> where Orchard Supply Hardware drive aisle intersects with the Costco drive <br /> aisle just west of the main vehicle entrance to the site. The Commission was <br /> particularly interested in trying to identify some improvements to this area to help <br /> the overall on-site circulation. <br /> The Commission acknowledged the analysis provided in Addendum No. 2, but <br /> expressed reservation about expansion to a 20 fueling position gas station, citing <br /> specific concerns regarding on-site circulation (i.e. the internal intersection located just <br /> west of the main vehicular entrance at the Middlefield / Willow intersection, where the <br /> Orchard Supply Hardware traffic intersects with the Costco drive aisle) and existing <br /> operation on Middlefield Road. The Commission also recognized that existing <br /> conditions on Middlefield Road are largely the result of the capacity issues at the <br /> Woodside/Middlefield intersection, which are under Caltrans jurisdiction. Ultimately, <br /> under the discretion afforded to them via the Use Permit process, the Planning <br /> Commission determined with a 6:1 vote that a 16 fueling position gas station was most <br /> appropriate. <br /> Appeal No. 1 <br /> The appeal filed by the law offices of James M. Dombroski on behalf of Appellant cites <br /> two objections to the Planning Commission's decision — traffic analysis and gasoline <br /> prices, and notes a third objection on the appeal form —air quality analysis (Attachment <br /> 4). <br />