12 - TXDOT LOCAL GOVERNMENT PROJECTS QUALITY ASSURANCE PROGRAM

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SECTION 2 - ACCEPTANCE PROGRAM 2.1 Overview Materials incorporated into any highway construction project shall be subject to verification sampling and testing, as well as quality control (QC) sampling and testing when required by the specifications. 2.2 Sampling and Testing Frequency and Location Verification sampling and testing shall be performed at the location and frequency established in the Guide Schedule of Sampling and Testing, or in the specifications specific to each project. 2.3 Quality Control Sampling and Testing Contractor - performed QC sampling and testing may be used as part of an acceptance decision when required or allowed by specification. These QC sampling and testing personnel, laboratories, and equipment shall be qualified according to the "Sampling and Testing Personnel Qualification Program" and the "Laboratory Qualification Program" and shall be evaluated under the "Independent Assurance Program" in this document. These QC test results shall be validated by verification test results obtained from independently taken samples. Qualified TOOT personnel or their designated agents shall perform verification sampling and testing. 2.4 Dispute Resolution System When QC test results are used in the acceptance decision, testing disputes arising between TOOT, or its designated agents, and the contractor shall be resolved in a reliable, unbiased manner by referee testing or evaluation performed by the Construction Division, Materials & Pavements Section (CST /M &P) central laboratory. The decision by the CST /M &P central laboratory will be final.