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Project No. VP-6214-01 <br />Verizon Wireless — Fisher Floral <br />Plotted test result is presented on Plate K. <br />E. Expansion Index (ASTM D-4829) <br />CITY OF SANTA ANA <br />Planning and Building Agency <br />may, lS. <br />Approved <br />FOR PERMIT ISSUANCE <br />Master ID: <br />Date: <br />Expansion characteristics were determined by the Expansion Index test of a <br />sample considered to be representative of the near subgrade soils. Test results are as <br />follows: <br />Boring No. <br />Depth (ft) <br />Moisture <br />Dry Density <br />Expansion <br />Content (%) <br />(pcf) <br />Index <br />B-1 <br />0-3 <br />11.0 <br />106.0 <br />10 <br />The soil underneath the project site is classified as non -expansive (EI < 20). <br />F. Chemical Analysis (CAL 417-A) <br />Chemical sulfate analysis was performed on a representative sample by the CAL 417-A <br />method. A soluble sulfate of 380 parts per million was indicated, which is negligible, <br />however we recommend using Type II Portland cement for the foundation elements in <br />contact with the underlying soil. <br />Concrete <br />Concrete for foundation where in contact with the underlying soils should be designed in <br />accordance with the 2022 CBC, ACI 318 Section 4.3, Table 4.3.1. <br />Although the potential for sulfate attack on concrete appears negligible, we recommend <br />that the use of type II cement with concrete strength of 4,000 psi and maximum water <br />cement ratio of 0.50 for the foundation elements in contact with the soil. <br />Other seismic parameters are as follows: <br />Soil Class <br />Closest Fault Distance <br />Fault <br />Class D <br />5.59 miles (8.9 kin) <br />San Joaquin Hills Fault <br />7 <br />