724SUPPLEMENTARY CEMENTITIOUS MATERIAL

724.1GENERAL—From a manufacturer listed in Bulletin 15. Legibly mark the name of the manufacturer,

the lot number, and the approximate net mass on each container or, in case of bulk shipment, on the shipping invoice. Supply sources desiring approval must write the LTS, stating their present QC program, as specified in Section 106.03(a)2. The material is subject to assurance sampling and testing by the LTS. Materials not conforming to the requirements may result in suspension of source approval. The supply source may reapply for approval after making corrections necessary to ensure all sampled or tested materials meet all applicable Specifications. Obtain material from a single source, unless directed otherwise in writing. Separate material of different types and from different sources. Use each type and source in continuous segregated portions of the project. If possible, limit material used in an individual structure to a single type or source. If this is not possible, use one type and source for footers, piers, and abutments, and one source for superstructures if allowed.

724.2FLYASH—

106.03(b)3

a maximum of 6.0%. Certify as specified in Section 106.03(b)3.

TR-7012 - FLYASH Test Results. Form must be filled out and delivered with every certified load.

724.3SLAG CEMENT—

a material temperature exceeding 180F at ti me of delivery to the mixer, unless directed in writing. Certify as specified in Section 106.03(b)3.

TR-7013 - Slag Cement Test Results. Form must be filled out and delivered with every certified load.

724.4SILICA FUME—

the percent retained on the No. 325 sieve is greater than 10%, test the material retained for contamination. Certify as specified in Section 106.03(b)3.

TR-7014 - Silica Fume Test Results. Form must be filled out and delivered with every certified load.

724.5Mechanically Modified Supplementary Cementitious Materials (SCM) -Cement combinations.

which contain a minimum of 90% SCM by weight and as specified in Section 704.1(b) when replacing 50% cement by weight in cement concrete mixtures. Test according to the AASHTO standard for the base SCM as specified in Sections 724.2(b) or 724.3(a). Certify as specified in Section 106.03(b)3.

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