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SPECIAL PROVISIONS - SP20I6 BOOK <br />Last Revision by CO Special Provisions: 2/08/17 <br />Identify QC companion samples with the following information: <br />(2.1) Date, <br />(2.2) Test number, <br />(2.3) Time, <br />(2.4) Type of material, <br />(2.5) Plant, and <br />(2.6) Sampling location. <br />Created August 20, 2015 <br />Page 38 <br />SP 0202-101 <br />F.4.d Aggregate Gradation QC Charts <br />Complete the MnDOT Aggregate Gradation Control Charts for each aggregate size and aggregate <br />source: <br />(1) Record Producer QC gradation and Department Verification Companion gradation <br />results. These results are included in the moving average calculation. <br />(2) Record Department Verification Gradation results. These results are not included in the <br />moving average calculation. <br />F.4.e Moisture Content <br />Complete the Batching Report for each aggregate size and source. <br />S-32.25 MnDOT 2461.3.F.4.g shall be deleted and replaced with the following: <br />F.4.g Signing the Certificate of Compliance <br />The Producer's MnDOT Certified Plant Level 1 or Level 2 technician will: <br />(1) Review the first Certificate of Compliance for each mix type, each day, for accuracy; and <br />(2) Legibly hand sign the Certificate of Compliance at a location designated for Producer <br />signature signifying agreement to the terms of this program and to certify that the <br />materials comply with the requirements of the Contract; and <br />(3) Write their MnDOT Technical Certification Number next to their signature. <br />S-32.26 MnDOT 2461.3.F.4.h shall be deleted and replaced with the following: <br />F.4.h Certified Ready -Mix Plant Decertification <br />The Concrete Engineer, with coordination from the Engineer, may decertify the plant and halt <br />production of concrete under any of the following conditions: <br />(1) Unauthorized procedural, material, or equipment changes made after the completion of <br />the Concrete Plant Contact Report, <br />(2) Failure to meet the required testing rates, <br />(3) Failure to complete required documents, <br />(4) Disregards any of the requirements of this section, and <br />(5) Falsification of test records or certificates of compliance. <br />S-32.27 MnDOT 2461.3.F.5 shall be deleted and replaced with the following: <br />F.5 Quality Assurance (QA) <br />The Engineer's responsibilities include the following: <br />(1) Confirm the Producer's QC Workbook and aggregate gradation quality charts are <br />accurate and up-to-date; <br />(2) Check Certificate of Compliance for completeness and accuracy; <br />(3) Spot check the actual batching of concrete to verify batch weights and tolerances; <br />