Rincon_Consulting Services Agreement (CSA)rev

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Consulting Services Agreement between City of San Leandro and Last revised [07/03/2025] Rincon Consultants for Environmental Observation Exhibit A – Page 1 of 1 EXHIBIT A SCOPE OF SERVICES Rincon Consultants, Inc. (Rincon) is to provide environmental consulting services to the City of San Leandro (City) for the upcoming subsurface work. As background, the City is preparing to issue a grading permit for the PACE facility development at 2420 Merced Street (site). The site has known subsurface environmental impacts that have undergone investigation and remediation under oversight of the Regional Water Quality Control Board (Water Board). Public access to files on the Water Board’s case is available on the GeoTracker website under Case ID T0600191505. The Water Board issued a No Further Action (NFA) letter for the site on November 25, 2024 based on the current site configuration and use. However, due to the known and suspected presence of residual chemicals of concern (COCs) in the subsurface, the site is subject to both a Covenant and Environmental Restriction on Property (deed restriction) and a Site Management Plan (SMP) (Geosyntec 20231). The deed restriction and SMP govern future activities on and use of the site. The development plans call for subsurface work (i.e., excavation) of areas of the site that have been preliminarily screened for COCs that could pose a risk to construction workers or future users of the site, but this screening cannot definitively rule out the potential presence of environmental impacts. The processes and procedures outlined in the SMP are intended to address this situation and should be implemented during subsurface work. It is our understanding the developer has engaged Partner Engineering and Science, Inc. (Partner) to act as their Environmental Professional (EP) and implement the SMP. As a result of the City’s engagement with the developer and Partner through grading permit process, the City has deemed it prudent to request Rincon submit a proposal to provide third-party EP observation of subsurface work. Therefore, Rincon’s proposes to confirm on behalf of the City all work is being done in compliance with the SMP, provide guidance to Partner where needed, and keep the City informed of developments on site. Based on the approximate one- to two-month schedule for the subsurface work, we have assumed Rincon will have a field staff member on site full time (40 hours per week) to provide observation for the first two weeks, and an average of 4 hours per day for the following six weeks. We have also assumed 20 hours of Principal support for grading permit and SMP compliance consultation. Rincon is prepared to start with the services in this proposal immediately upon authorization. The estimated cost for the scope of work described above is $38,304. The project will be charged on a time and materials basis and is assumed to be completed in 2025. Any additional work requested by the City can be completed for an additional fee following written authorization. Docusign Envelope ID: A99791AE-C02F-4430-AED3-8AC223943CA3