The NPCA Quality Assurance Committee has revised Section 22.214.171.124 Compressive Strength requirements in the 14th edition of the Quality Control Manual since the initial posting. The revised 14th edition, Addendum, and Clarification of Changes Document were posted on Feb. 4. Click on the link provided below to review and download the final copy of the 14th edition QC Manual, Addendum Changes for the 14th edition, and the Clarification of Changes Document.
National Precast Concrete Association (NPCA)
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