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Wong,Jeff <br /> From: Moniz, Robert <Robert.Moniz@arcadis.com> <br /> Sent: Tuesday, March 17, 2020 4:15 PM <br /> To: Hitz, Brian D.@Waterboards;Wong,Jeff <br /> Cc: Just, Allen; Oliphant, Michael N <br /> Subject: Re: Chevron Alden Park - Work Plan Addendum Memo <br /> Team: <br /> To clarify, Arcadis will overdrill the three wells to total depth and remove all well-related materials. The hole <br /> will be grouted with neat cement (tremie grouted if water is found) to just below ground surface - leaving room <br /> for sidewalk and associated sub-base, or top soil - to match the surrounding surface completion. <br /> Apologies for any confusion. <br /> -Rob <br /> M: 925.788.7377 <br /> From: Moniz, Robert <br /> Sent:Thursday, March 12, 2020 2:28:05 PM <br /> To: Hitz, Brian D.@Waterboards<Brian.Hitz@Waterboards.ca.gov>; Wong,Jeff<Jwong@sjgov.org> <br /> Cc:Just, Allen <AIIen.Just@arcadis.com>; Oliphant, Michael N <Mike.oliphant@chevron.com> <br /> Subject: Chevron Alden Park-Work Plan Addendum Memo <br /> Hi Brian and Jeff. <br /> Thanks for the patience while we worked through the permitting process with San Joaquin County Environmental Health <br /> Department. <br /> To get final approval for the well abandonment permits,Jeff asked for a simple memo explaining that we would not <br /> pressure grout the casings as stated in the Well Abandonment Work Plan (Work Plan), but would instead overdrill all <br /> installed materials. <br /> Please find the attached memo stating this change in procedure, which we also submit as an addendum to the Work <br /> Plan previously submitted to and accepted by the Central Valley Regional Water Quality Control Board. <br /> Assuming this allows us to receive the well abandonment permits in the next week, we will keep our tentative date for <br /> overdrilling on March 191n <br /> -Rob <br /> Rob Moniz I Project Geologist I robert.moniz(cD-arcadis.com <br /> Arcadis <br /> 2300 Clayton Road, Suite 400 <br /> Concord, CA 94520 <br /> T: 925.296.7839 1 M: 925.788.7377 <br /> Connect with us! www.arcadis.com I Linkedln I Twitter I Facebook <br /> EXPLOREArcadis <br /> DOW14LOAD OUR MORILE APP Co ECT <br /> 1 <br />