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Special Provisions
SP247-033  PDF  RTF  Flexible Base - Adds Grade 5 allowing for a coarser gradation & requires a 3 psi lateral pressure strength requirement instead of a 0 psi lateral pressure strength requirement. Required on all projects using Item 247 beginning with the July 2009 letting. Replaces SP247-020 . (Change Memo: de-15-09). Statewide Use.

Specification Information