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SUMMARY OF LABORATORY POTENTIAL OF <br />HYDROGEN (pH) AND RESISTIVITY TEST RESULTS <br />CALIFORNIA TEST NO. 643 <br />Sample No. <br />pH <br />Resistivity (ohm centimeters) <br />B1 @ 0-5' <br />8.7 <br />1556 (Corrosive) <br />SUMMARY OF LABORATORY CHLORIDE CONTENT' TEST RESULTS <br />EPA NO. 325.3 <br />Sample No. <br />Chloride Ion Content (%) <br />B1 @ 0-5' <br />0.018 <br />SUMMARY OF LABORATORY WATER SOLUBLE SULFATE TEST RESULTS <br />CALIFORNIA TEST NO. 417 <br />Sample No. <br />Water Soluble Sulfate (% SO4) <br />Sulfate Exposure* <br />B1 @ 0-5' <br />0.001 <br />SO <br />* Reference: 2019 California Building Code, Section 1904.3 and ACI 318-19 Chapter 19 <br />GEOCON <br />W ME; S T . I N' <br />ENVIRONMENTAL GEOTECHNICAL MATERIALS <br />2807 MCGAW AVENUE - IRVINE, CA 92614 <br />PHONE (949) 491-6570 <br />DRAFTED BY: PZ CHECKED BY: JTA <br />CORROSIVITY TEST RESULTS <br />MIXED -USE DEVELOPMENT <br />EAST 4TH STREET & MORTIMER STREET <br />SANTA ANA, CALIFORNIA <br />JUNE 2022 PROJECTNO. A9799-88-01 FIG. B9 <br />WATER ADDED AT 2 KSF <br />0 P3@4 ' <br />2 <br />4 <br />0 6 <br />cU <br />0 P2@4 ' <br />0 <br />2 <br />O <br />0 4 <br />4-111 <br />U6 <br />N <br />0 P3@4 ' <br />2 <br />4 <br />6 <br />-4- _F <br />.1 .2 .3 .4 .5 .6 .7 .8 .9 1.0 2 3 4 5 6 7 8 9 10 <br />Consolidation Pressure (KSF) <br />GEOCOI <br />W E S T,, I; N C4 <br />ENVIRONMENTAL GEOTECHNICAL MATERIALS <br />2807 MCGAW AVENUE - IRVINE, CA 92614 <br />PHONE (949) 491-6570 <br />DRAFTED BY: PZ CHECKED BY: JTA <br />CONSOLIDATION TEST RESULTS <br />MIXED -USE DEVELOPMENT <br />EAST 4TH STREET & MORTIMER STREET <br />SANTA ANA, CALIFORNIA <br />JUNE 2022 PROJECT NO. A9799-88-01 FIG. B7 <br />SUMMARY OF LABORATORY EXPANSION INDEX TEST RESULTS <br />ASTM D 4829-11 <br />Sample No. <br />Moisture Content % <br />Dry <br />Density (pcf) <br />Expansion <br />Index <br />*UBC <br />Classification <br />**CBC <br />Classification <br />Before <br />After <br />B1 @ 0-5' <br />7.8 <br />12.4 <br />117.5 <br />1 <br />Very Low <br />Non -Expansive <br />* Reference: 1997 Uniform Building Code, Table 18-1-B. <br />** Reference: 2019 California Building Code, Section 1803.5.3 <br />SUMMARY OF LABORATORY MAXIMUM DENSITY AND <br />AND OPTIMUM MOISTURE CONTENT TEST RESULTS <br />ASTM D 1557-12 <br />Sample No. <br />Soil <br />Description <br />Maximum Dry <br />Density (pcf) <br />Optimum <br />Moisture (%) <br />B1 @ 0-5' <br />Brown Silty Sand <br />130.3 <br />7.4 <br />GEOCON 1 410 <br />W :E S T;, 1 N C.,, 41 <br />ENVIRONMENTAL GEOTECHNICAL MATERIALS <br />2807 MCGAW AVENUE - IRVINE, CA 92614 <br />PHONE (949) 491-6570 <br />DRAFTED BY: PZ CHECKED BY: JTA <br />LABORATORY TEST RESULTS <br />MIXED -USE DEVELOPMENT <br />EAST 4TH STREET & MORTIMER STREET <br />SANTA ANA, CALIFORNIA <br />JUNE 2022 PROJECT' NO. A9799-88-01 FIG. B8 <br />WATER ADDED AT 2 KSF <br />0 B6@1 <br />2 <br />4 <br />0 <br />cc <br />-0 0 133@1 ' <br />0 <br />2 <br />O <br />U 4 <br />C <br />U <br />N <br />0 B3@2 ' <br />2 <br />4 <br />6 <br />.1 .2 .3 .4 .5 .6 .7 .8.9 1.0 2 3 4 5 6 7 8 9 10 <br />Consolidation Pressure (KSF) <br />_'N << <br />k <br />EO <br />ENVIRONMENTAL GEOTECHNICAL MATERIALS <br />2807 MCGAW AVENUE - IRVINE, CA 92614 <br />PHONE (949) 491-6570 <br />DRAFTED BY: PZ CHECKED BY: JTA <br />CONSOLIDATION TEST RESULTS <br />MIXED -USE DEVELOPMENT <br />EAST 4TH STREET & MORTIMER STREET <br />SANTA ANA, CALIFORNIA <br />JUNE 2022 PROJECT NO. A9799-88-01 FIG. B5 <br />WATER ADDED AT 2 KSF <br />0 B3@2 ' <br />2 <br />4 <br />0 6 <br />a_A <br />co <br />_ 0 B3@3 ' <br />0 <br />U) <br />C 2 <br />U <br />4 Ms <br />U 6 <br />0 P4@4 ' <br />2 <br />4 <br />6 <br />.1 .2 .3 .4 .5 .6 .7 .6 .9 1.0 2 3 4 5 6 7 8 9 10 <br />Consolidation Pressure (KSF) <br />GEOCO Z <br />W .E S T;; L ,Ni C, <br />ENVIRONMENTAL GEOTECHNICAL MATERIALS <br />2807 MCGAW AVENUE - IRVINE, CA 92614 <br />PHONE (949) 491-6570 <br />DRAFTED BY: PZ CHECKED BY: JTA <br />CONSOLIDATION TEST RESULTS <br />MIXED -USE DEVELOPMENT <br />EAST 4TH STREET & MORTIMER STREET <br />SANTA ANA, CALIFORNIA <br />JUNE 2022 PROJECT NO. A9799-88-01 FIG. B6 <br />Architecture + Planning <br />17911 Von Karman Ave. <br />Suite 200 <br />Irvine, CA 92614 <br />ktgy.com <br />949.851.2133 <br />KTGY Project No: 2017-0934 <br />Project Contact: Debbie Holland <br />Email: dholland@ktgy.com <br />Principal: Wil Wong <br />Project Designer: D. Schoolmeester <br />Project Director: Debbie Holland <br />Developer <br />E I] Q A K <br />INVE-'STMEN rS <br />4199 CAMPUS DRIVE <br />IRVINE, CA 92612 <br />PHONE NO. (714) 342-2502 <br />N TF <br />r <br />N <br />Q <br />U <br />Q <br />z <br />Q <br />Q <br />z <br />Q <br />U) <br />F_ <br />W <br />W <br />U) <br />W <br />T_ <br />LO <br />06 <br />LO <br />T_ <br />Nt <br />W <br />Wh <br />No. Date Description H <br />:E <br />W <br />V J <br />U <br />Lu <br />2 <br />U <br />z <br />Q <br />J <br />It is the clients responsibility prior to or during construction to notify the architect in writing <br />of any perceived errors or omissions in the plans and specifications of which a contractor <br />n <br />thoroughly knowledgeable with the building codes and methods of construction should <br />reasonably be aware. Written instructions addressing such perceived errors or omissions <br />shall be received from the architect prior to the client or clients subcontractors proceeding <br />with the work. The client will be responsible for any defects in construction if these <br />j ^ <br />v J <br />procedures are not followed. <br />0. <br />AROy,T <br />LL <br />G��SED <br />N <br />No. C29795 <br />RENEWAL DATE <br />AUGUST 31, 2023 <br />1 <br />9jF Of- <br />CD <br />CA��F <br />License Stamp <br />o <br />GEOTECHNICAL <br />REPORT <br />COPYRIGHT (c) <br />AO-90 <br />