Standard Recommended Practice for
Acceptance Sampling Plans for Highway Construction
AASHTO Designation: R 9-05
1. SCOPE
1.1.Definition of Acceptance Plan-An agreed upon method of taking samples and making measurements or observations on these samples for the purpose of
evaluating the acceptability of a lot of material or construction (Transportation Research Circular Number E-C03 7, 2002).
1.2.Purpose of Acceptance Plan-This recommended practice provides guidelines in the preparation of statistically based acceptance plans using statistical and quality assurance (QA) principles.
The acceptance plans must be realistic, fair to both the contractor and agency, and must be statistically accurate.
This recommended practice includes the basic criteria for the most common AASHTO applications.
It uses the broad definition of acceptance plan to include the separate functions of both quality control (QC) and acceptance.
Other aspects are provided where deemed important,
but should not be interpreted to define a complete quality assurance (QA) Program. References are given for more advanced criteria and special applications.
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