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Quality Assurance Program

The following documents are to be used for information ONLY and not to be used as official DOT copies.

Revised Specifications

  • Standard Specifications, Section 2303 - Hot-mix Asphalt mixtures

Revised IMs

  • IM 204 - Inspection of Construction Project Sampling & Testing
  • IM 204 - Inspection of Construction Project Sampling & Testing, Appendix F (US)
  • IM 204 - Inspection of Construction Project Sampling & Testing, Appendix F (Metric)
  • IM 205 - Quality Assurance Program for Construction overview and Description
  • IM 208 - Materials Laboratory Qualification Program, Appendix C
  • IM 216 - Guidelines for Validating Test Results
  • IM 322 - Sampling Uncompacted Hot-mix Asphalt
  • IM 511 - Control of Hot-mix Asphalt Mixtures
  • IM 511 - Control of Hot-mix Asphalt Mixtures, Appendix A

Supplemental Information

  • QC Program Chart (04/04/06)
  • HMA Quality Bulletin 1 (11/05)
  • HMA Quality Bulletin 2 (3/06)
  • HMA Quality Bulletin 3 (4/06)
  • 2006 Checklist (6/02/06)
Iowa Department of Transportation
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Iowa Department of Transportation - 800 Lincoln Way - Ames, IA 50010