Sampling and Testing. ▇. ▇▇▇▇▇▇▇ of the aggregates for mix design and determination of suitability shall be taken under the supervision of Engineer and delivered to the laboratory, well in advance of the scheduled placing of concrete. Records of tests which have been made on proposed aggregates and on concrete made from this source of aggregates shall be furnished to Engineer in advance or the work for use in determining aggregate suitability. The costs of all such tests, sampling, etc., shall be borne by Contractor.
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Sources: Construction Contract, Construction Contract, Construction Contract