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20 Civic Center Plaza - Soils Report
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20 Civic Center Plaza - Soils Report
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Soils Report
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20 Civic Center Pl
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M. J. SCHIFF & ASSOCIATES, INC. <br />Consulting Corrosion Engineers - Since 1959 1291 North Indian Hill Boulevard <br />Claremont, California 91711-3897 <br />Phone 909-626-0967 <br />FAX 909-621-1419 <br />E-mail SCHIFFCORR@AOL.COM <br />June 26,1997 <br />LAW/CRANDALL, INC. <br />200 Citadel Drive <br />Los Angeles, California 90040-1554 <br />Attention:Mr. Michael Han <br />Re:Soil Corrosivity Study <br />Santa Ana Police Department Building <br />Santa Ana, California <br />Your #70131-7-0261.0001, MTS&A #97192 <br />INTRODUCTION <br />Laboratory tests have been completed on two soil samples we selected from your boring logs for <br />the referenced police department project. The purpose of these tests was to determine if the soils <br />may have deleterious effects on underground utilities, hydraulic elevator cylinders, and concrete <br />foundations. We assume that the samples provided are representative of the most corrosive soils at <br />the site. <br />The scope of this study is limited to a determination of soil corrosivity and general corrosion <br />control recommendations for materials likely to be used for construction. If the architects and/or <br />engineers desire more specific information, designs, specifications, or review of design, we will be <br />happy to work with them as a separate phase ofthis project. <br />TEST PROCEDURES <br />The electrical resistivity of each sample was measured in a soil box per ASTM G57 in its as- <br />received condition and again after saturation with distilled water. Resistivities are at about their <br />lowest value when the soil is saturated. The pH of the saturated samples was measured. A 5:1 <br />water:soil extract from each sample was chemically analyzed for the major anions and cations. <br />Test results are shown on Table 1. <br />CORROSION AND CATHODIC PROTECTION ENGINEERING SERVICES <br />PLANS AND SPECIFICATIONS • FAILURE ANALYSIS • EXPERT WITNESS ' CORROSIVITY AND DAMAGE ASSESSMENTS
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