****THIS IS A NEW APPENDIX. – PLEASE READ CAREFULLY.****

 

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 particular production ledges or depths and processing methods.
• Review sample locations and methods.
• Review Q/C tests:

-          test results

-          frequencies

-          reporting

• 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.