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<br /> SCE Santa Ana <br /> October 25,2019 <br />Project No. 3.31634 <br /> Page 9 <br /> <br /> <br /> Concrete in contact with the existing earth material at the site is expected to be <br />subject to negligible sulfate and chloride exposure. However, metal components in <br />contact with soils could be subject to corrosion due to a relatively low soil <br />resistivity value. Cathodic protection or use of galvanized pipes and coated steel <br />should be used. Consultation with a corrosion engineer is recommended. <br /> <br /> 15. RECOMMENDATIONS <br /> <br />The following recommendations should be adhered to during site development. These <br />recommendations are based on empirical and analytical methods typical of the standard <br />of practice in California. If these recommendations appear not to cover any specific feature <br />of the project, please contact our office for additions or revisions to the recommendations. <br /> <br />15.1. Plan and Specification Review <br /> <br />Detailed plans for construction and grading were not available at the time of this <br />report. SGSI should review grading and foundation plans prior to construction in order <br />to verify that they are in conformance with this report; some of the recommendations <br />contained herein may need to be revised after reviewing. <br /> <br />15.2 Earthwork <br /> <br />Site grading should be observed by SGSI. Such observations are considered essential to <br />identify field conditions that may differ from those anticipated by the investigation, to <br />adjust design to actual field conditions, and to determine that the grading is <br />accomplished in general accordance with the recommendations of this report. <br />Earthwork and grading recommendations which include guidelines for site <br />preparation fill compaction, temporary excavations, and trench backfill are provided <br />in Appendix C. <br /> <br />The recommendations contained in Appendix C are general grading specifications <br />provided for typical grading projects. Some of the recommendations may not be strictly <br />applicable to this project. The specific recommendations contained in the text of this <br />report supersede the general recommendations in Appendix C. The contract between the <br />developer and earthwork contractor should be worded such that it is the responsibility <br />of the contractor to place the fill properly in accordance with the recommendations of this <br />report and the specifications in Appendix C, notwithstanding the testing and observation <br />of the geotechnical consultant. <br />54 of 100 <br />1327 S Grand Ave <br />12/12/2024