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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Publication Number: FHWA-RD-02-095 Date: |
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Example QC Plan for Rigid Pavement (16)
1. The following outlines (enter contractor's name) plan for insuring QC in accordance with contractual requirements for the production, shipment, placement, and curing of Item xxx, Rigid Pavement, which will be used on Project xxxx.
2. Personnel.
2.1 Qualified sampling, testing and inspection personnel who are certified through agency accepted programs will be used.
2.2 Technicians (enter name and certification number of technician(s)).
2.3 The QC Liaison with the agency (enter name, certification number and telephone number).
2.4 The QC Supervisor (enter name, qualification and telephone number).
3. Recognized statistical concepts for material data analysis as allowed by agency specifications will be used. These are (list references or detail the concepts to be followed).
4. Documentation of QC activities will be available at (enter the location at which the documentation will be maintained).
5. A copy of typical report forms used documenting QC work are attached. [The agency should attach appropriate forms.] These forms will include:
5.1 Identification-Name of material, equipment, or process being evaluated.
5.2 Location of sampling, inspection or testing.
5.3 Type of test or inspection.
5.4 Name of inspector, sampler, tester and reviewer.
5.5 Results-Observation of inspection or test value result.
5.6 Analysis of acceptability.
5.7 Action taken and results.
5.8 Signature of QC supervisor.
6. Typical control charts used for documenting QC work are attached. [The agency should attach appropriate forms.] These charts will include the following, data:
6.1 Identification-Name of material, equipment, or process being, evaluated.
6.2 Results-Date, and report number of data used on chart.
6.3 Upper and lower control limits.
6.4 Analysis of acceptability.
6.5 Action taken and results.
6.6 Signature of responsible QC lead employee.
7. Other documentation used for QC analysis will include the following:
7.1 Batch tickets.
7.2 Other records not addressed above.
8. If QC test data indicates that noncomplying material has been inadvertently been incorporated into the work, the agency will be notified immediately and a plan will be submitted for review and concurrence, identifying the defective material and determine its disposition.
9. Mix Design(s), (enter class and identification of mix designs to be used on items in the contract). Supporting, test data attached. Example Tables for Frequency of Sampling and Testing for QC of Rigid Pavement Components
Item |
Test |
Frequency |
---|---|---|
Gradation | AASHTO T 27 |
As required for control |
Example Tables for Frequency of QC Inspection, Sampling, and Testing for Production of PCC Pavement
Item Identification |
Item to Check |
Frequency |
---|---|---|
Mixer Blades | Wear and alignment | Daily |
Scales | Static check | Weekly |
Belts & rollers | Wear and alignment | Weekly |
Calibration Gauges | Verify calibration | Monthly |
Item Identification |
Test |
Frequency |
---|---|---|
Moisture | Determine moisture content | As needed to control production |
Contamination | Visual | Daily |
Segregation | Visual | Daily |
Example Tables for Frequency of QC Inspection, Sampling, and Testing for Production of PCC Pavement
Item |
Test |
Frequency |
---|---|---|
Yield | AASHTO T 121 | As required to control production |
Sump | AASHTO T 119 | As required to control production |
Air | AASHTO T 152 or T 196 | As required to control production |
Strength | AASHTO T 22 or T 276 | As required to control production |
Temperature | ASTM C 1077 | As required to control production |
Mixing time | Visual | Weekly/daily per batch size |
Example List of Requirements for QC of Transport and Placement of
PCC Paving Mix
10. Tests on concrete.
10.1 Slump-As required to control the product.
10.2 Air content-As required to control the product.
10.3 Compressive strength-as required to control the product.
10.4 Placement and consolidation.
10.4.1 Formwork-Tightness, bracing, etc., visual.
10.4.2 Vibration-Visual per specification.
10.4.3 Rate of pour-Visual per specification.
10.4.4 Replacement equipment-Condition visual.
10.4:5 Finishing, equipment-Condition visual.
10.4.6 Staffing-number for production, ability visual.
10.4.7 Texturing-Visual per specification.
10.4.8 Thickness-Measure.
10.4.9 Rebar cover-Measure.
10.4.10 Smoothness-Measure.
10.4.11 Concrete surface conditions and geometry-Visual inspection.
10.4.12 Curing-Visual inspection.
10.4.13 Weather Protection-Visual inspection.