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Cartlendge Trailhead Addendum The City also plans to incorporate a pedestrian crossing across Foothill Road to facilitate non-motarized access from existing residences in vicinity of the proposed trailhead. The trailhead is anticipated to be open from approximately 8:00 am to 4:30 pm during fall and winter months, with closing times to shift to approximately 6:00 pm and 7:00 pm during spring and summer months, respectively, and is expected to be at full capacity during peak weekends, but well within capacity during other times. EBRPD Ordinance 38 governs the hours of operation for the trail and associated open space. Construction of the trailhead facilities would be required to adhere to standard provisions for dust control, stormwater runoff,noise, etc. 4.2 DIFFERENCES BETWEEN THE CURRENTLY PROPOSED PROJECT AND THE PROJECT ANALYZED IN THE MITIGATED NEGATIVE DECLARATION The currently proposed project would consist of circulation and parking improvements, modification to the open space access, and restroom and water fountain facilities. These changes were not contemplated as part of the IS/MND prepared for the Meadowlark Development. 5. ENVIRONMENTAL EFFECTS OF CHANGES TO THE PROJECT The following discussion summarizes the environmental impacts that could occur as a result of changes to the proposed project that have occurred since adoption of the IS/MND in 2006. This discussion is organized by the environmental topics that were addressed in the IS/MND. All of the environmental impacts that would result from implementation of the changes to the proposed project would be less than significant. 5.1. AESTHETICS The currently proposed project would have minimal aesthetic impact, as the parking and circulation plan is designed to minimize grading and new pervious paving, and the proposed restroom facility is of relatively small size. Views of the restroom from existing residences in the vicinity and the trail itself will be screened by existing and proposed trees. The final design of the restroom facility will be subject to the City of Pleasanton Design Review. In addition, no trees would be removed to allow for development of the trailhead, which would assist in maintaining the existing rural aesthetic on the Austin property. 5.2. AGRICULTURAL AND FORESTRY RESOURCES No changes to the land use designations for the subject site are proposed, and the 22-acre open space on the property would be retained in its current land use. The proposed changes to the Meadowlark Development are minimal and no additional impacts to agricultural and forestry resources will occur. 5.3. AIR QUALITY Construction activities related to the currently proposed project are expected to generate short-term impacts related to air quality, including intermittent dust emissions. These emissions would be reduced to a less-than-significant level with implementation of standard dust- and emission-control June 9,2016 9