Procedures and Guidelines for Validating Contractor Test Data (2020) / Chapter Skim
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60 Procedures and Guidelines for Validating Contractor Test Data 2. REFERENCED DOCUMENTS 2.1 AASHTO Standards and Publications R 9 Standard Recommended Practice for Acceptance Sampling Plans for Highway Construction - Verification, Statistical Tests, Process Verification Practices, F- and t- tests, Dispute Resolution, Dealing with Outlier Observations, Resampling and Retesting.
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Proposed Practice for Validating Contractor Test Data 61 3.2 acceptance sampling and testing -- sampling and testing performed to evaluate acceptability of the final product. 3.3 acceptance quality characteristic (AQC)
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62 Procedures and Guidelines for Validating Contractor Test Data 3.16 dispute resolution -- also called "conflict resolution" and "referee testing." A procedure used to decide in favor of one side or the other when discrepancies occur between a SHA's results and Contractor's results that are of sufficient magnitude to impact acceptance/payment. The procedure may include the testing of independent or split samples as an initial step and third-party arbitration as a final step.
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From page 63... ...
Proposed Practice for Validating Contractor Test Data 63 between the pairs of test values and determines whether the average difference is statistically significant from zero. 3.28 pay adjustment -- the actual amount, either in dollars or in dollars per area/weight/volume, that is to be added to or subtracted from the Contractor's bid price or unit bid price.
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From page 64... ...
64 Procedures and Guidelines for Validating Contractor Test Data 3.37 retesting -- the process of performing another test to confirm the initial test. Retesting is performed using a second test portion or a specimen prepared from the same original sample.
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