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Presto, Carol [EHD] <br /> From: Joe Landa <joe.landa@nwestco.com> <br /> Sent: Wednesday, February 26, 2025 10:47 AM <br /> To: Rivera, Stacy [EHD]; Presto, Carol [EHD] <br /> Cc: Karli Karns; Angel Estrada; Mike Stromecki <br /> Subject: Re:Yrc spill bucket corrosion protection <br /> Attachments: 48f2924a-cafc-44ed-b918-a2e884fl6741 jpeg; 07c48a4c- <br /> f66c-46d6-94al-2d7f818lf000jpeg; IMG_0250jpeg <br /> Stacy, <br /> Riser was replaced due to stuck drop tube. <br /> We use a 48" Sono tube as "shoring" to dig down to the tank bung. <br /> The sono tube lowers around the tech excavating to tank top. Pea gravel stays on the outside of the tube <br /> as we dig out the center of the tube. <br /> Once we get to the tank top,the old riser is removed and the wrapped 10mi1 riser is lowered down to the <br /> tech. Once bucket is installed and pre tested we pull the sono tube out for backfill. <br /> I've include the photos of the old bucket and the stuck drop tube. I've included an example photo of the <br /> process done at a different site for an annular riser repair. <br /> Frank Joe Landa <br /> Construction Manager at Nwestco <br /> A 2209 Zeus Court Bakersfield, CA 93308 <br /> M 661-885-5056 <br /> Email: ioe.landaC«�nwestco.com <br /> On Wed, Feb 26, 2025 at 9:46 AM Joe Landa <joe.landa@nwestco.com>wrote: <br /> Stacy, <br /> This letter serves for proof of installation of the corrosion protection by myself at <br /> 1535 E Pescadero Ave in Tracy ca. 95304. <br /> We installed 10 mil tape on the new riser for the Soap tank at the wash rack. <br /> New schedule 40 steel riser installed directly to the tank. <br /> Nwestco apologize's for any miscommunication on this matter and takes full responsibility. <br /> Let me know if this covers our requirements and sign off for the spill bucket. <br /> 1 <br />