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volumes are essentially the same, and the intersection at Santa Rita Road and Valley Avenue is at capacity. He added that this is the reason why he periodically asks for widenings. He stated that the City actually has about a 200-vehicle reduction on Santa Rita Road going southbound, but when Stoneridge Drive takes those 200 vehicles and puts them on Stoneridge Drive, it takes those vehicles currently using Kolln Drive and Mohr Avenue to bypass the Santa Rita Road and Valley Avenue intersection. He noted that there would then be a zero net change at the intersection, but a 200-vehicle reduction on Kolln Drive. Commissioner Pentin referred to Backyard Noise by Proposed Bridges on page 10 of the staff report and noted that at the end of the first paragraph, it states that future airport-related noise adds a decibel or two. He inquired why that is part of this EIR and why the City would have be concerned about the additional airport noise in this EIR as being a significant and unavoidable impact. Mr. Dolan replied that it adds to the cumulative scenario. Commissioner Blank inquired whether there would not have been residences near the bridges in the other EIR. He stated that he believed the subject was discussed extensively in the other EIR. Ms. Harryman replied that this addresses the 4 dBA significant increase criteria. Commissioner Pentin inquired if it was over the 4 dBA with or without the airport. Ms. Harryman replied that it is both with and without the airport. Commissioner Pentin referred to the repaving and inquired, even with ACSPA putting in $500,000 to fund it, what the replacement schedule was and whether it would have to be done with the same type of paving. Mr. Bocian replied that he was not certain if the replacement has been scheduled to be completed in a specific year and that it would have been done with the same type of paving. Commissioner Olson inquired if there is a follow-up process to ensure that all mitigations discussed are actually carried out. He referred to the list of best management practices relative to the GHG emissions mitigation and indicated that he appreciates that it is a moving target for the City; however, he noted that some of the mitigations would happen given the design of the project or they could be built in once the project is completed. His indicated that if he were looking at this from a public standpoint, he would get a comfortable feeling knowing that it will happen. Mr. Dolan replied that there are three ways mitigation becomes mandatory: first, if it is incorporated into the project as part of the proposal; second, if it is a condition of approval which is enforced just like all conditions; and third, if it is included as a PLANNING COMMISSION MINUTES, December 9, 2009 Page 7 of 12