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Updates on WisDOT Materials Audits: Scope, Documentation, and Verification Testing

This document outlines the scope and requirements for WisDOT Materials Audits. It emphasizes the need for thorough documentation to support audit processes, including contractor testing documentation, materials certifications, and verification of testing conducted by qualified personnel. Historical audit findings from June 2008 to December 2013 show trends in compliance percentages, highlighting areas of improvement and those needing attention. The document serves as a resource for maintaining compliance and ensuring quality within the Wisconsin Department of Transportation’s auditing processes.

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Updates on WisDOT Materials Audits: Scope, Documentation, and Verification Testing

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  1. 2013 LAB audit update

  2. Scope of WisDOT Materials Audits • Documentation Requirement • All records should contain sufficient detail to sustain an audit and be clear enough to be read and understood by persons not associated with the project.

  3. Scope of WisDOT Materials Audits • Contractor Testing Documentation • Important elements for sampling and testing documents • Verify Qualified laboratory utilized for testing • Identify Qualified sampler and tester (complete name, first and last) • Identify specified material type • Verify aggregate quality/source identification • Verify sampling and testing schedule

  4. Scope of WisDOT Materials Audits • Materials Certifications Documentation • Review Materials Tracking System (MTS) data • Confirm required certification documents have been supplied and referenced • Review Materials Certifications Documentation for specified compliance in accordance with the CMM

  5. Scope of WisDOT Materials Audits • WisDOT Verification Testing • Review Materials Tracking System data • Confirm Verification testing was conducted and documented as specified

  6. L.A.B. Audit Findings and Issues • Materials Certifications and Documentation • June 2008 • 86.0%- missed 8 of 56 required • November 2009 • 91.0% -missed 5 of 57required • November 2010 • 86.0 % - missed 12 of 79 required • September 2011 • 98.0 %-missed 2 of 103 required • December 2012 • 91.9 % - Missed 10 of 124 required • November 2013 • 100 % - Missed 0 of 55 required

  7. L.A.B. Audit Findings and Issues • Verification Testing • June 2008 • 79.0% (97% if Companion Cylinders not included) • November 2009 • 93.0 % -missed 15 of 217 required tests or test sets • November 2010 • 96.0 % - missed 4 of 105 required tests or test sets • September 2011-Preliminary results • 93.1% -missed 19 of 277 required tests or test sets (98.0% if Companion Cylinders not included) • December 2012 • 93.3% - missed 22 of 329 required tests or test sets • December 2013 - (Preliminary Findings) • 95.1% - missed 7 of 144 required tests or test sets

  8. QUESTIONS? Keith H. Lundin Quality Assurance Unit Bureau of Technical Services Division of Transportation System Development Wisconsin Dept. of Transportation Cell: 608-220-8847FAX: 608-245-8959 keith.lundin@dot.wi.gov

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