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Material Quality Assurance Risk Assessment

Principal Investigator(s) 

Objective of this study is to assess current quality control and quality assurance, QC/QA, procedures for a variety of highway materials, (including graded aggregate bases, GAB, precast concrete for drainage structures, structural steel, rebars, coatings, and neoprene strip seals), in regards to: a) conformance in relation to the federal requirements CFR 637 – Title 23 for defining QA plans, Independent Assurance (IA) procedures, and material certification; b) identify potential improvements to existing SHA QA plans; c) assess product variability based on production QC data; and, d) quantify risks related to material acceptance data with Operating Characteristics (OC) Curves. 

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