Aggregate

  1. Aggregates, as specified, meeting the requirements of ASTM C 33 for normal weight aggregates and ASTM C 330 for lightweight aggregates;
  2. A monthly summary of their gradation representing a minimum of one (1) sieve analysis for every 400 tons shipped, or a minimum of one test per week for each product purchased;
  3. Specific gravity, absorption, and petrographic analysis test results every 3 years or when there appears to be a change in the aggregate source, including a new lift or location within the quarry;
  4. Tests results of the evaluation of the aggregate for potential alkali-silica or alkali-carbonate reactions;
  5. Tests results for aggregates containing particles with an iron sulfide content that shows a stain index less than 20 when tested in accordance with ASTM C 641;
  6. A visual check prior to shipment of aggregates for exposed surfaces, for general appearance against the approved sample;
  7. Aggregate certification indicating compliance with ASTM or equivalent AASHTO specifications.
  8. Aggregates, as specified, meeting the requirements of ASTM C 33 for normal weight aggregates and C 330 for lightweight aggregates;
  9. A monthly summary of their gradation and fineness modulus representing a minimum of one (1) sieve analysis for every 200 tons shipped, or a minimum of one test per week for each product purchased;
  10. Specific gravity and absorption test results every 3 years or when there appears to be a change in the aggregate source;
  11. Tests results for deleterious substances and organic impurities annually;
  12. Tests results for materials finer than No. 200 sieve for new sources or any time variations are experienced;
  13. An original notarized letter of the Producers Certification annually for each product purchased.
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