2004 English Special Provisions to Item 421 - Hydraulic Cement Concrete (Statewide & Districtwide, Current)

SP421-035  PDF  RTF   - Raises the 5-cycle Magnesium Sulfate Soundness loss for coarse and intermediate aggregates when air entrainment in the concrete has been waived. Required for all projects using Item 421, beginning with the November 2009 letting. Replaces SP421-002 SP421-013 SP421-034 . (Change Memo: de-43-09). Statewide Use.

2004 English Special Provisions by Item (Statewide & Districtwide, Current)
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