Transcription of F 21 CMM - 860 Materials Testing and Acceptance - …
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F 21 CMM - 860 Materials Testing and Acceptance - …
October 2021 Construction and Materials Manual 860 Materials Testing and Acceptance - Aggregates Standard spec references to aggregate Testing and sampling methods contained in this chapter: Standard spec .. granular backfill sampling and Testing Standard spec .. structure backfill sampling and Testing Standard spec .. base aggregate sampling and Testing Standard spec .. concrete aggregate Testing CMM provisions mobilized by the contract: .. flat and elongated aggregate pieces .. fracture Testing General There are two general categories for aggregate Testing in the standard specification approval and Acceptance . Approval Testing is required before using aggregate sources in WisDOT projects. Aggregate Acceptance Testing is required throughout a project and is conducted either solely by the department, or by both the department (QV) and the contractor (QC) when under QMP provisions. The following aggregate approval and Acceptance guidance is intended to clarify the department's aggregate Testing requirements outlined in the standard specifications and QMP provisions.
fine aggregate source certification testing on aggregate sources to be approved for use in concrete mixes. Before sampling for source approval testing, at least one day of aggregate production (crushing) is required. Existing aggregate stockpiles of less than 2500 tons may be sampled and approved, but the
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