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CITY OF SANTA ANA <br />Planning and Building Agency <br />April 16, 2025 Project Number 25129-25 <br />Page 13 Approved <br />FOR PERMIT ISSUANCE <br />The minimum relative compaction shall be obtained in accordance with accep ed methods in the <br />construction industry. The final grade of the structural areas shall be in a oVisstedd):smooth <br />te• <br />condition prior to placement of slabs -on -grade or pavement areas. No fill soi s D sa11 be placed, <br />spread or compacted during unfavorable weather conditions. When the grading is interrupted <br />by heavy rains, compaction operations shall not be resumed until approved by the Geotechnical <br />Engineering firm. <br />Grading Observations <br />The controlling governmental agencies should be notified prior to commencement of any <br />grading operations. This firm recommends that the grading operations be conducted under the <br />observation of a Geotechnical Engineering firm as deemed necessary. A 24-hour notice must <br />be provided to this firm prior to the time of our initial inspection. <br />Observation shall include the clearing and grubbing operations to assure that all unsuitable <br />materials have been properly removed; approve the exposed subgrade in areas to receive fill <br />and in areas where excavation has resulted in the desired finished grade and designate areas <br />of overexcavation; and perform field compaction tests to determine relative compaction <br />achieved during fill placement. In addition, all foundation excavations shall be observed by the <br />Geotechnical Engineering firm to confirm that appropriate bearing materials are present at the <br />design grades and recommend any modifications to construct footings. <br />NorCal Engineering <br />