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| 1993 | |||
| Special Provisions | |||
| SP421-005 | RTF | PORTLAND CEMENT CONCRETE - Allows the Contractor option of using less than 20% fly ash, recycled crushed concrete, eliminates washed aggregate requirement and implements blending of fine aggregates. All applicable projects (beginning with 04/95 letting). Replaced by SP421-010 . Statewide Use. | |
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