12 - TXDOT LOCAL GOVERNMENT PROJECTS QUALITY ASSURANCE PROGRAM

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SECTION 6 - SAMPLING AND TESTING PERSONNEL QUALIFICATION PROGRAM 6.1 Purpose This program provides uniform statewide procedures for sampling and testing personnel qualification to ensure that tests required by the specifications are performed according to the prescribed sampling and testing methods. 6.2 Personnel Qualification Sampling and testing personnel will be qualified to perform tests for the acceptance of materials in the areas of Portland cement concrete, soils and aggregates, and bituminous materials. The test methods for which individuals can be qualified include, but are not limited to, the following. (* Denotes tests on which annual split or proficiency sample evaluations are required.) 6.2.1 Soils (100 -E Series) A. Tex - 100 -E, "Surveying and Sampling Soils for Highways" B. Tex - 101 -E, "Preparing Soil and Flexible Base Materials for Testing" C. Tex - 102 -E, "Determining Slaking Time" D. Tex - 103 -E, "Determining Moisture Content in Soil Materials" E. Tex - 104 -E, "Determining Liquid Limit of Soils" * F. Tex - 105 -E, "Determining Plastic Limit of Soils" * G. Tex - 106 -E, "Calculating the Plasticity Index of Soils" H. Tex - 107 -E, "Determining the Bar Linear Shrinkage of Soils" I. Tex - 108 -E, "Determining the Specific Gravity of Soils" J. Tex - 110 -E, "Particle Size Analysis of Soils" * K. Tex - 111 -E, "Determining the Amount of Material in Soils Finer than 75 pm (No. 200) Sieve" L. Tex - 113 -E, "Laboratory Compaction Characteristics and Moisture - Density Relationship of Base Materials" M. Tex - 114 -E, "Laboratory Compaction Characteristics and Moisture - Density Relationship of Subgrade and Embankment Soils" N. Tex - 115 -E, "Field Method for Determining In -Place Density of Soils and Base Materials" 0. Tex - 116 -E, "Ball Mill Method for Determining the Disintegration of Flexible Base Material' P. Tex - 117 -E, "Triaxial Compression Tests for Disturbed Soils and Base Materials"