SECTION 724 — POZZOLANS
724.1 GENERAL —
From a manufacturer listed in Bulletin 15. Legibly mark the name of the manufacturer, the lot number, and the approximate net weight on each container or, in case of bulk shipment, on the shipping invoice.
Supply sources desiring approval are required to write the MTD, stating their present quality control program, as specified in Section 106.03(a)2.
The material is subject to assurance sampling and testing by the MTD. Materials not meeting requirements may result in suspension of source approval. The supply source may reapply for approval after making corrections necessary to insure that material meets specifications.
Obtain material from a single source, unless otherwise permitted in writing. Separate material of different types and from different sources. Use each type and source in continuous segregated portions of the project. When possible limit material used in an individual structure to a single type or source. When this is not possible, use one type and source for footers, piers and abutments and one source for superstructures when permitted.
724.2 FLYASH —
(a) For Use With Lime.
ASTM-C593, tested in accordance with PTM No. 110. Certify as specified Section 106.03(b)3.
(b) For Use With Cement Concrete.
AASHTO-M295, C or F, except for Loss on Ignition, which is limited to a maximum of 5.0%. Certify as specified in Section 106.03(b)3.
724.3 GROUND GRANULATED BLAST FURNACE SLAG —
(a) For Use With Cement Concrete.
AASHTO M-302, (ASTM-C989) Grade 100 or 120. Do not use ground granulated blast furnace slag with a material temperature exceeding 180F at time of delivery to the mixer, unless permitted in writing by the engineer. Certify as specified on Section 106.03(a)3.
Most Current Supplement
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