// CODE SNIPPET
1905.3.2 Performance and Approval
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Concrete mix designs shall be performed by an approved agency or by a concrete producer who is an approved fabricator authorized in accordance with Section 1704.2.2, and approved in accordance with the requirements of Sections 1905.3.2.1 through 1905.3.2.3
All mix designs submitted for review and approval in accordance with Section 1905.3.2.2 shall be certified by the director of the approved agency or the quality control manager of the approved fabricator that performed the tests used to substantiate the mix design. In addition all mix designs shall be signed by an owner or officer of the concrete production facility.
All mixes shall be approved by the registered design professional of record and filed with the department prior to use in construction.
Copies of the approved mix design(s) shall be maintained at the construction site by the contractor and made available to the department upon request. A copy of the approved mix design(s) shall be provided by the contractor to the licensed concrete testing laboratory performing the acceptance testing of the concrete at the construction site.
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