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7.B. - Page 64 <br /> Redwood City Chapter 4.Environmental Impact Analysis <br /> Vehicle Queuing and Waiting <br /> No New Impact.To evaluate the vehicle queuing and waiting time as a result of the proposed <br /> modifications,operation of two existing five-island (20 fueling position) Costco Gasoline facilities in <br /> the continental United States were reviewed and compared to the observed vehicle queuing and <br /> waiting time at the existing three island fueling center.Detailed discussions of the vehicle queuing <br /> and waiting analysis are included in Appendix B.The analysis shows that even though one of the two <br /> locations generates about 100 more total trip ends during the weekday PM peak hour,it has shorter <br /> queues and significantly shorter vehicle wait times than those that occur at the Redwood City <br /> location under existing conditions.Therefore,the proposed modifications are not expected to result <br /> in a significant new impact on vehicle queue and waiting at the fueling center and should actually <br /> reduce vehicle queuing. <br /> Parking <br /> No New Impact.The proposed modifications would result in a net parking supply gain of two stalls <br /> (for a new total parking count of 747 spaces).While some parking would be removed immediately <br /> adjacent to the fueling center to accommodate two additional fuel islands,the parking spaces in that <br /> location would be replaced by parking modifications and restriping(from existing 10-foot wide <br /> stalls to 9-foot wide stalls) in other areas.There is currently sufficient parking onsite and a net gain <br /> of one stall in parking supply associated with the proposed modifications.There would be sufficient <br /> parking onsite to accommodate the typical and seasonal peak parking demands with the proposed <br /> modifications.It is not anticipated that the proposed modifications would significantly increase or <br /> noticeably change parking demand on the site.However,even if parking demand does increase, <br /> according to the existing parking survey(see Appendix B),there is still 17 percent reserve capacity <br /> during the peak half hour within the Costco parcel (or approximately 125 spaces assuming parking <br /> is"full"at 90 percent occupancy) to accommodate a fluctuation in parking demand.No new impact <br /> would occur. <br /> b. Exceed, either individually or cumulatively, a level of service standard established by the county <br /> congestion management agency for designated roads or highways? <br /> Construction <br /> Less-than-Significant New Impact.As discussed in Section 4.3.a above,construction of the <br /> proposed modifications would not cause the SR 84/Middlefield Road intersection to exceed the CMP <br /> LOS standard.Therefore,new traffic impacts on this CMP facility would be less than significant. <br /> Operation <br /> Less-than-Significant New Impact.SR 84 within the project area is part of the CMP roadway <br /> system;however,as discussed in Section 4.3.a above,the proposed modifications would only add a <br /> maximum of 41 peak hour trips to SR 84 and the trips resulting from the proposed modifications <br /> would not cause the SR 84/Middlefield Road intersection to exceed the CMP LOS standard. <br /> Therefore,new traffic impacts would be less than significant. <br /> Addendum No.2 to the Environmental Impact Report for 4 19 September 2012 <br /> the Redwood City Costco Wholesale Project ICF 00154.12 <br />