QUALITY ASSURANCE THROUGH PROCESS CONTROL AND ACCEPTANCE SAMPLING

THIS PAMPHLET EXPRESSES THE PHILOSOPHY BEHIND THE RESEARCH EFFORT OF THE QUALITY ASSURANCE GROUP OF THE OFFICE OF RESEARCH AND DEVELOPMENT, BUREAU OF PUBLIC ROADS. IT PRESENTS MANY OF THE STATISTICAL CONCEPTS AND METHODS EMPLOYED IN THE PROCESS OF QUALITY ASSURANCE. QUALITY ASSURANCE FOR HIGHWAYS REQUIRES THE ANSWER TO (1) HOW DO WE ORDER WHAT WE NEED TO PERFORM THE SERVICE REQUIRED AND (2) HOW DO WE KNOW WE ARE GETTING WHAT WE ORDERED? SPECIFICATIONS MUST RECOGNIZE VARIABILITIES AND BE WRITTEN ON A PROBABILITY RATHER THAN AN ABSOLUTE BASIS. THE NECESSARY LEVEL OF QUALITY MUST BE CONSIDERED. STATISTICAL APPROACH TO MATERIALS SPECIFICATIONS MUST PROVIDE FOR A CLEAR UNDERSTANDING OF HOW MEASUREMENTS WILL BE MADE. SAMPLING PLANS ARE DESIGNATED AND CORRESPONDING TOLERANCES DOCUMENTED. THIS REPORT IS A GUIDE TO INSTRUMENTING SUCH A PROGRAM WITH REFERENCES TO PRIOR STUDIES ON THIS NEWER CONCEPT OF EVALUATING AND ACCEPTING HIGHWAY MATERIALS AND CONSTRUCTION PROCESSES. ANALYSIS OF VARIANCES OF CHARACTERISTICS AND ATTRIBUTES DISCLOSE AREAS NEEDING CORRECTIVE ACTION THUS PROVIDING ECONOMICAL SATISFACTION FOR BOTH THE BUYER AND SELLER. /BPR/

  • Corporate Authors:

    Bureau of Public Roads /US

    Office of Research and Development
    ,   United States 
  • Publication Date: 1967-4

Subject/Index Terms

Filing Info

  • Accession Number: 00214461
  • Record Type: Publication
  • Source Agency: Bureau of Public Roads /US
  • Report/Paper Numbers: Adm
  • Files: TRIS, ATRI
  • Created Date: Jan 16 1994 12:00AM