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2612 S Griset PL <br />Santa Ana CA 92704 <br />Soil Pressure Factors <br />Earth Pressure Factors <br />(1) 27 <br />Maximum Dry Density= 117.9 y= 106.11 <br />Active Earth Pressure <br />Ka = 0.3755248059 <br />Pa= 39.846937154 <br />Passive Earth Pressure <br />Kp= 2.6629399287 <br />Pp= 282.5645558343 <br />At Rest <br />Kat= 0.5460095003 <br />Pat= 57.9370680768 <br />Seismic Factors <br />Ss 1.297 Smi null Fa 1.2 PGA 0.555 <br />Si 0.465 SDS 1.038 Fv null FPGA 1.2 <br />Sms 1.556 SD1 null PGA m 0.666 <br />A full list of Seismic factors is in the Attachment 'G' <br />Soluble Sulfates <br />The results of the limited in-house laboratory tests indicate that the on-site soils tested contain a <br />water-soluble sulfate content of .16 by weight. Based on Table 19.3.1.1 of ACI 318-14, the Exposure <br />Class Si is appropriate for onsite soils. Water cement ratio (0.50) shall be adjusted to produce a low <br />slump (<3inches>) mix. Concrete specifications may be changed by the Structural Engineer. <br />Type V cement is not required but is recommended for use. Strength should be 4000 psi. <br />Expansive Soil <br />The soil found on this site consists of clay. The soil found on the site is expansive. A modified test in <br />the laboratory and the condition of the concrete paving and foundations on site show low signs of <br />expansive reaction in the soil. Expansion index : 46 low <br />3 <br />2612 S Griset Pl Unit <br />#23/17/2025