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| 1993 | |||
| Special Provisions | |||
| SP421-020 | RTF | PORTLAND CEMENT CONCRETE - Limits the use of recycled materials and incorporates changes needed for prestress plants to more efficiently and economically fabricate high strength prestressed concrete beams. All projects with Item 421 (beginning with 11/99 letting). Replaces SP421-018 .Replaced by SP421-023 . Statewide Use. | |
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125 East 11th Street • Austin, Texas 78701
125 East 11th Street • Austin, Texas 78701