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From: Chris Pollio <br /> To: ehsitemitiaation FEHDI <br /> Subject: RE:8095 Rio Blanca addtional site mitigation work <br /> Date: Wednesday,December 8,20213:30:26 PM <br /> Attachments: 148400101 R018.odf <br /> CAUTION:This email is originated from outside of the organization. Do not click links or open attachments unless <br /> you recognize the sender and know the content is safe. <br /> Hi Jeff, <br /> I apologize for the late response, I've been out of office with a personal matter. While we still need <br /> to get the permit revised and extend, please be aware that the work has been rescheduled for the <br /> week of January 10th, 2022. Below are the additional details you requested, please let me know if <br /> you need anything else,thanks. <br /> • 7 x Optical Image Hydraulic Profile Tool (OIP) borings to a depth of 20-feet below ground <br /> surface (bgs) (see attached map for boring locations); <br /> o We will use a Geoprobe 7822 direct-push drill rig fitted with a 1.75-inch diameter OIP <br /> probe tooling for these borings; <br /> o Upon completion, borings will be destroyed by grouting to the surface with neat <br /> cement grout; <br /> • 4 x vertical soil borings to a depth of 20-feet bgs (see attached map for boring locations); <br /> o We will use a Geoprobe 7822 direct-push drill rig fitted with a 2.25-inch diameter direct <br /> push soil sampling tooling for these borings; <br /> o Upon completion, borings will be destroyed by grouting to the surface with neat <br /> cement grout; and <br /> • "PES Environmental, an NV5 Company" (our new company name, we were purchased in June) <br /> will be the entity paying for this permit renewal/revision. <br /> Cheers, <br /> --Chris Pollio <br /> Christopher N. Pollio I Project Geologist I PES Environmental,an NV5 Company <br /> 7665 Redwood Blvd, Suite 200 1 Novato,CA 94945 1 D: 415.798.3036 1 M: 415.497.2744 I P: 415.899.1600 x249 F: <br /> 415.899.1601 <br /> From: ehsitemitigation [EHD] <ehsitemitigation@sjgov.org> <br /> Sent: Monday, December 6, 20214:50 PM <br /> To: Chris Pollio<Chris.Pollio@nv5.com> <br /> Subject: RE: 8095 Rio Blanca addtional site mitigation work <br /> Chris: <br /> Let you couple of voice mails. I can't do anything with what you've given me since there's no <br /> description of how deep you're going, what equipment you're using, etc. I can accept that it is the <br /> same C-57. Please also provide language that you guys (or whoever is the billable party on the <br /> original MFR) will pay for this review/revision. Send these information to me and I'll revise the <br /> permit. <br /> Best Regards, <br /> Jeff <br />