Last Updated 10/05/2020: Class C Fly ash submittals are only allowed when the supplier cannot obtain Class F ash. If ready-mix finds that it cannot get F-ash it should be communicating directly with the owner.
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Last Updated 10/05/2020: Class C Fly ash submittals are only allowed when the supplier cannot obtain Class F ash. If ready-mix finds that it cannot get F-ash it should be communicating directly with the owner.