U.S. Department of Transportation
Federal Highway Administration
1200 New Jersey Avenue, SE
Washington, DC 20590
202-366-4000
Federal Highway Administration Research and Technology
Coordinating, Developing, and Delivering Highway Transportation Innovations
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This report is an archived publication and may contain dated technical, contact, and link information |
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Publication Number: FHWA-RD-02-095 |
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Example QC Plan for HMAC (16)
This HMAC QC Plan is submitted for Project xxxxx, item 401.
1. Plant (Enter make, type and location of plant).
1.1 Frequency of plant inspection, calibration, verification of calibration, and any plant certification. (Include documentation).
2. Personnel.
2.1 Enter name, certification number and telephone number of employee responsible for QC.
2.2 Enter name, and certification no. of sampling & testing technician.
2.3 Enter name and telephone number of employee responsible for making plant production changes when necessary as a result of QC data.
3. Enter the type and mix design identification of mixes to be used in the contract.
4. Prior to production the JMF for each type of mix included for use on the contract will be submitted to the agency. Only materials from sources acceptable to the agency will be used in the mix design.
5. During mix production operations, QC tests will be performed at or exceeding the minimum frequency in the attached schedule.
6. All testing and evaluation will be completed within _____ hours of sampling and all documentation will be completed and submitted to the agency on approved processing forms within ______ hours or production will be halted until these item are current.
7. Material found to be noncomplying shall not be incorporated into the work.
8. Appropriate agency personnel will be notified at least 24 hours before the scheduled work is to begin.
9. In the event QC test data indicates that noncomplying material has been incorporated into the work, the agency will be notified immediately and a plan will be submitted for agency approval, identifying, the defective material and its disposition.
HMAC Field Operations QC
1. Personnel.
1.1 Enter name, qualification, and telephone number of employee directing the field operations.
1.2 Enter name, and qualification, of employee responsible for insuring that all items of work will comply with agency specifications.
1.3 Enter name and certification number (if applicable) of employee responsible for sampling and testing.
2. During placement operations of the asphalt concrete pavement, QC tests will be performed at or exceeding the minimum frequency in the attached schedule.
3. All testing and evaluation will be completed within the time limits specified by the contractor or the work will be halted.
4. Material found to be noncomplying will not be incorporated into the roadway.
5. Notification will be given to appropriate agency personnel at least 24 hours before work is scheduled to begin.
6. In the event that test data or inspections indicate that noncomplying material has been incorporated into the work, the agency will be notified immediately and a plan will be submitted for agency approval, identifying the detective material and its disposition.
7. Indicate method to be followed to prevent segregation and visual pavement deformities.
Example Table for Frequency and Documentation of Sampling and Testing Asphalt Concrete
Test |
Frequency |
Documentation |
---|---|---|
Combined cold feed gradation | As required to control production | Forms as required by contract |
Moisture content | As required to control production | Forms as required by contract |
Asphalt content | As required to control operation | Forms as required by contract |
Tack/prime, if used | As required to control production | Daily |
Correlation of nuclear asphalt gauge | 1 per mix or project | Forms as required by contract |
Face fracture on crushed gravel, if used | Lot
size to be determined. | Forms as required by contract |
Temperature of mix | As required to control production | Daily |
Temperature of base or air | As needed | Daily |
Temperature of mat | As required to control operation | Daily |
Density | Lot size to be designated. | Forms as required by contract |
Skid resistance | As required to control operation | Forms as required by contract |
Smoothness | As required to control operation | Forms as required by contract |
Thickness | Lot size to be designated. | Forms as required by contract |
Pavement application rate | As needed | Daily |
Test data distributed | Within 24 hours of sampling | Forms as required by contract |