RES 231376 Exhibit A - Addendum and Mitigation Monitoring and Reporting Plan (MMRP)

City of Pleasanton—Stoneridge Mall Residential Project Section 15183 Checklist/15164 Addendum Project Description FirstCarbon Solutions 9 Https://adecinnovations.sharepoint.com/sites/PublicationsSite/Shared Documents/Publications/Client (PN-JN)/2148/21480017/Consistency Checklist/21480017 Stoneridge Mall Residential Project Checklist Addendum_Updated.docx SECTION 2: PROJECT DESCRIPTION 2.1 - Location and Setting 2.1.1 - Location The project site is located at 1008 Stoneridge Mall Road in the City of Pleasanton (City) in Alameda County (County), California (Exhibit 1) in the northwestern part of the City. The 6-acre project site is located primarily on Assessor’s Parcel Number (APN) 941-1201-94-03 with minor encroachment onto APN 941-1201-95 to the north and APN 941-1201-04-06 to the south. This includes 0.36 acres of adjacent areas where drive aisle, pedestrian, and utility improvements would be made. Within this document, references to the project site include the off-site improvement areas. The project site is located in the southeast area of the Stoneridge Shopping Mall, near the intersection of Stoneridge Mall Road (east) and Stoneridge Mall Road (south), east of the Macy’s Women’s Store and south of the former Sears parking structure (Exhibit 2). The project site is located on the Dublin, California, United States Geographical Survey (USGS) 7.5-minute Topographic Quadrangle Map. 2.1.2 - Environmental Setting The project site is currently an asphalt parking lot with 810 parking spaces. It was temporarily used as a COVID-19 testing station in 2021 and in early 2022.4 The parking lot contains landscaped parking islands with 169 trees, 42 of which are Heritage Trees as defined by the City’s Tree Preservation Ordinance.5 The site is relatively flat with a gentle slope to the southeast to facilitate drainage and runoff. Exhibits 3 and 4 illustrate existing site conditions. The project site is surrounded by Stoneridge Mall commercial and parking facilities to the north and west, Stoneridge Mall Road (east), office and parking facilities to the east; and Stoneridge Mall Road (south) and commercial space to the south. The recently constructed 10x Genomics Project is located to the south of the project site with office uses, R&D, and laboratory manufacturing. Kaiser Permanente medical offices are located southwest of the project site, along Springdale Avenue. 2.1.3 - General Plan and Zoning The proposed project has been anticipated in City planning documents and regulations since 2012, when the City’s 2007-2014 Housing Element was adopted, and the project site was identified as part of a larger housing opportunity surrounding Stoneridge Mall. Per the Prior EIR, 10 acres of this site were given the land use designation and rezoned for “Planned Unit Development (PUD)–Mixed-Use,” 4 Apex Companies, LLC. January 12, 2022. Phase I Environmental Site Assessment. 5 City of Pleasanton. July 2022. Pleasanton, California Municipal Code. Chapter 17.16 Tree Preservation. Website: https://library.qcode.us/lib/pleasanton_ca/pub/municipal_code/item/title_17-chapter_17_16?view=all#title_17-chapter_17_16- 17_16_003. Accessed October 24, 2022.