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Cost and Quality Effectiveness of Material and Non-Material Models in Contractor Quality Control (CQC) System.
| 题名： | Cost and Quality Effectiveness of Material and Non-Material Models in Contractor Quality Control (CQC) System. |
| 作者： | A. Khalafallah; A. Elshennawy; N. Yousef; |
| 关键词： | contractor quality control system,cost,material models,non-material models,quality effectiveness,contractor quality control (cqc);florida research center; |
| 摘要： | The Florida Department of Transportation utilizes two verification testing models in Contractor Quality Control (CQC) system; the Material and non-Material Models. The basic difference between the two models is that, under the Material Model, the verification testing of CQC is outsourced and conducted by external material consultants/verification technicians. The main objectives of this study are to (1) collect available data about the Material and non-Material Models; (2) analyze the quality performance of both models; (3) perform a risk analysis study on the non-detection of failing materials; and (4) conduct a cost analysis study to compare the overall costs involved in both models. The analysis shows that the application of the Material Model system results in the same level of quality associated with the non-Material Model. The two models also appeared to have comparable levels of low risk. Although the cost analysis shows there are some cost savings if the Material Model is to be used, the cost comparison is not conclusive due to the unavailability of detailed cost breakdown data for the districts representing the non-Material Model. / NOTE: Final rept. / Supplementary Notes: Sponsored by Florida State Dept. of Transportation, Tallahassee. Research Center. / Availability Note: Order this product from NTIS by: phone at 1-800-553-NTIS (U.S. customers); (703)605-6000 (other countries); fax at (703)605-6900; and email at orders@ntis.gov. NTIS is located at 5301 Shawnee Road, Alexandria, VA, 22312, USA. |
| 报告类型： | 科技报告 |
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