DISTRICT MATERIALS DUTIES

 

This appendix contains District Materials aggregate duties.

 

• Monitor producer/supplier compliance to the respective Approved Producer Quality Control Program.

• Confirm that material is being produced from the intended ledge.
• Confirm that unprocessed reclaimed pavement is sorted for the intended recycled product.
• Review requirements of source approvals for production ledges or depths and processing methods.
• Review sample locations and methods.
• Review Q/C tests:

-        test results

-        frequencies

-        reporting

• Request updates to Producer Q/C programs. Every two years the Districts review Producer laboratories as part of the Aggregate Laboratory Qualification Process (IM 208).  During this process, the inspector may request company Q/C plan updates. Another opportunity is at District/Producer meetings. Updates may be necessary particularly if there have been:

-        personnel changes

-        changes in contact information

-        changes in the company structure such as changes in aggregate sources.

-        Please send a copy of updates to Geology Section

• Visual inspection of stockpiles:

-        Condition of base

-        Segregation

-        Contamination

-        Degradation

-        Load-out

-        Product identification

• Production verification samples:

-        Gradation (one of the following methods)

§  Independent sample by District Materials

§  Witness Q/C technician obtain production verification sample

§  For revetment, erosion stone and macadam base, verification will be based on visual inspection

-        Quality samples will be obtained by District Materials.

-        District Materials will take possession of all production verification samples.

• District Materials will make production verification test results available to the producer.
• Non-complying production verification test results.

-        Notify the producer.

-        Investigate the stockpile, for acceptance, in accord with written evaluation method IM 301 or as directed by the District Materials Engineer.

• Review producer certification of aggregates, including compliance of certification documents in accord with IM 209.