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7 <br />C <br />r <br />0 <br />J <br />r� <br />C <br />C <br />f <br />7 <br />7 <br />J <br />Ll <br />14. D4318 Test Method for Liquid Limit, Plastic Limit, and Plasticity Index of <br />Soils <br />15. D4643 Standard Test Method for Determination of Water (Moisture) <br />Content of Soil by the Microwave Oven Method <br />16. D4767 Standard Test Method for Consolidated Undrained Triaxial <br />Compression Test on Cohesive Soil (CU) <br />17. D4959 Test Method for Determination of Water (Moisture) Content of Soil <br />by the Direct Heating Method <br />18. D5084 Standard Test Method of Hydraulic Conductivity of Saturated Porous <br />Materials Using a Flexible Wall Permeameter <br />19. D5321 Standard Test Method for Determining the Coefficient of Soil and <br />Geosynthetic or Geosynthetic and Geosynthetic Friction Angle by <br />the Direct Shear Method <br />20. D6938 Standard Test Method for In -Place Density and Water Content of <br />Soil and Soil Aggregate by Nuclear Methods (Shallow Depth) <br />A. Contractor Qualifications: <br />1. The Contractor shall propose a site supervisor that shall have worked in a <br />similar capacity on at least two projects similar in size and complexity to the <br />project described in the Contract Documents within fifteen (15) calendar days <br />after County's Notice to Proceed. <br />B. The Engineer (CQA Firm) will take soil samples and perform moisture, density, <br />gradation, and other tests to ascertain that the work is being performed in <br />compliance with these Specifications. The CQA Firm will conduct density and <br />other tests on the fill, and related laboratory testing as specified in the Quality <br />Assurance Manual. The Contractor shall remove surface material and render <br />assistance as necessary to enable sampling and testing. <br />C. The Contractor shall be responsible for the following material evaluations: <br />1. Soil testing outlined in Table 02200-1 conducted by third -party soils <br />laboratory(s) for certificates of compliance under Article 1.05A. <br />D. Methods of Sampling and Testing: <br />SHAW ENV/RONMENTAL, /Nc. <br />San Joaquin County — Extension of Cap Corral Hollow Sanitary Landfill — CH Closure Cap Ext Proj_Technical Specs -4-19-12 Revl.DocReV. 0, 04/05/2012 <br />Site Earthwork <br />02200-3 <br />