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u l a rte 1049 NicholsDrive Rocklin,CA 95765 <br /> &ASSOCIATES,INC. _ <br /> Geotechnical Consultants Phone:916.626.5577 <br /> FAX:916.626.5533 <br /> May 23, 2022 <br /> File No. 4861 <br /> San Joaquin County— Environmental Health Department <br /> Retaining Wall 1868 East Hazelton Avenue <br /> Design Stockton, CA 95205 <br /> PROJECT: 808 ZEPHYR STREET - STOCKTON <br /> Re: Work Description <br /> Shoring Dear San Joaquin County: <br /> Design <br /> We are writing this letter as a work description to obtain a soil boring permit for <br /> the project at 808 Zephyr Street in Stockton. The project proposes a metal <br /> warehouse/office building with associated pavement. <br /> Geotech Drilling: <br /> Reports Gularte and Associates are contracted to perform three exploratory borings for <br /> the purposes of writing a Geotechnical Report for the project. The borings will be <br /> 4" in diameter and will be drilled with solid flight augers. These borings will be <br /> used to retrieve SPT and CAL-MOD soil samples. All four of the borings will be <br /> drilled to depths of 25 feet. The borings' locations can be seen on the attached <br /> site map. <br /> Phase IESA <br /> Grouting: <br /> Once the desired depths of the borings are met the holes will be grouted. A tremie <br /> pipe will be placed to the bottom of the borehole to avoid segregation or dilution <br /> of grout. The grout will be pumped/poured through the tremie pipe releasing the <br /> grout at the bottom of the bore hole. The tremie pipe will be submerged in the <br /> Soil <br /> Compaction slurry at all times during slurry placement. The tremie pipe will be raised slowly <br /> as grout is introduced to the casing or hole. The placing of grout will be continuous <br /> until grout appears at the top of the bore hole, at which time the tremie pipe will <br /> be removed. <br /> Special Respectfully, <br /> Inspections Gularte & Associates, Inc. <br /> FU*Vz q""�e <br /> Brayden Hungrige, EIT No. 169283 <br /> Staff Engineer <br />