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<br />Hana Japan Steak House 5150.100.001 <br />Hana Japan Steak House January 15, 2025 <br />GEOTECHNICAL REPORT UPDATE Page 2 <br /> <br />Section 5.1 <br /> <br />This section is updated to indicate that the colluvium is thicker in the western portion of the site. <br />Based on the explorations and the finished floor at Elevation 382 feet, we anticipate that most, if <br />not all of the soil will be removed down to bedrock across the building footprint. The thick layers <br />of colluvium were encountered outside of the building footprint. If any soft colluvium is <br />encountered at the base of the cut, it should be removed and reworked. <br /> <br />Section 5.4.1 <br /> <br />This section is updated to indicate that the secondary displacement across the building pad could <br />result in lateral offset up to 4 inches. As such , the criteria in Section 7.1 should be implemented <br />in building foundation design, as well as connections to utilities that cannot be repaired after an <br />earthquake. <br /> <br />Section 5.4.3 <br /> <br />This section is updated to indicate that the updated Reference 1 should be used for seismic design <br />of the building. <br /> <br />Section 5.5 <br /> <br />This section is updated to indicate that during grading, samples should be collected from the <br />building pad for the purpose of performing resistivity testing to check if special corrosion <br />resistance measures are necessary for buried metals in contact with s ite soil. <br /> <br />Section 6 <br /> <br />This section is updated to refer to Section 6 in lieu of Section 4. <br /> <br />Section 6.1 <br /> <br />This section is updated to define building pad as the top of finished subgrade in the building <br />footprint. Acceptable fill for any required overexcavation should conform with Section 6.5. <br /> <br />Section 6.4 <br /> <br />This section is updated to refer to Section 6.5 in lieu of Section 4.5. <br /> <br />Section 6.5 <br /> <br />This section is updated to indicate that for building pad fill, only material with a plasticity index of <br />12 or less should be used. <br /> <br />Section 6.6.2.2 <br /> <br />This section is updated to replace the text of Item 2 with, “Trench backfill should be moisture <br />conditioned outside of the trench to a moisture content at or slightly above the optimum moisture <br />content.” <br />