1993 English Special Provisions to Item 421 - PORTLAND CEMENT CONCRETE (All)
| 1993 English Special Provisions by Item (All) | |||
| Specification Information | |||
| Search For a Special Provision or Specification | |||
| SP421-074 | RTF | - For project 0738-01-050 in Refugio County. Furnish hydraulic cement concrete for concrete pavements, concrete structures, and other concrete construction. One-Time Use. | |
| SP421-073 | RTF | - For project 0447-05-058 in Refugio County. Update materials information. One-Time Use. | |
| SP421-072 | RTF | - For project 0220-07-051 in Cameron County. Furnish hydraulic cement concrete for concrete pavements, concrete structures, and other concrete construction. One-Time Use. | |
| SP421-071 | RTF | - For project 0380-01-064 in Lubbock County. Furnish hydraulic cement concrete for concrete pavements, concrete structures, and other concrete construction. One-Time Use. | |
| SP421-070 | RTF | - For project 2025-01-011 in Refugio County. Provides for Concrete for high performance concrete (HPC). One-Time Use. | |
| SP421-069 | RTF | - For project 0039-08-086 in Cameron County. Concrete to be composed of hydraulic cement, fine and couarse aggregates and water. Concrete may include fly ash, ground granulated blast furance slag, and silica fume. One-Time Use. | |
| SP421-068 | RTF | - For project 0380-01-049, 0380-01-064 in Lubbock County. Provides for use of maturity method and concrete for high performance concrete. One-Time Use. | |
| SP421-067 | RTF | - For project 0039-18-086 in Hidalgo County. Eliminates the straight cement option from 421-028. One-Time Use. | |
| SP421-066 | RTF | - For project 0367-06-054 in Galveston County. The concrete shall be composed of hydraulic cement, fine and coarse aggregates and water. Additionally, concrete may include fly ash, ground granulated blast furnace slag (GGBF slag), and silica fume. One-Time Use. | |
| SP421-065 | RTF | - For project 0367-06-054 in Galveston County. Concrete shall be composed of hydraulic cement, fine and coarse aggregates and water and may include fly ash, ground granulated blast furnace slag and silica fume. One-Time Use. | |
| SP421-064 | RTF | - For project 0904-02-025 in Potter County. Concrete shall be composed of hydraulic cenent, fine and coarse aggrates and water and may include fly ash, ground granulated blast furnace slag and silisca fume. One-Time Use. | |
| SP421-063 | RTF | - For project 0066-04-061 in Moore County. Provides for high performance concrete. One-Time Use. | |
| SP421-062 | RTF | - For project 0226-02-027 in Oldham County. Concrete for high performance concrete (HPC). One-Time Use. | |
| SP421-061 | RTF | - For project 2635-04-014 in Potter County. Concrete for high performance concrete (HPC). One-Time Use. | |
| SP421-060 | RTF | - For project 0916-35-046 in Nueces County. Provides for HPC concrete for bridge elements. One-Time Use. | |
| SP421-059 | RTF | - When entrained air is required, provides for adding 4.5% for Class P concrete. Includes Statewide SP 421---028 requirements. Districtwide Use. Houston District. | |
| SP421-058 | RTF | - For project 0500-01-117 in Galveston County. Concrete for high performance concrete (HPC). One-Time Use. | |
| SP421-057 | RTF | - For project 1258-03-027 in Fort Bend County. The concrete shall be composed of hydraulic cement, fine and coarse aggregates and water, may include fly ash, ground granualted blast furnace slag (GGBF) and silica fume. One-Time Use. | |
| SP421-056 | RTF | - For project 0271-06-088, 0271-06-090, 0271-07-245, 0271-07-247, 0271-07-248, 0271-07-249, 0271-07-254, 0271-07-274 in Harris County. Concrete to be composed of hydraulic cement, fine and couarse aggregates and water. Concrete may include fly ash, ground granulated blast furance slag, and silica fume. One-Time Use. | |
| SP421-055 | RTF | - For project 0912-71-820 in Harris County. The concrete shall be composed of hydraulic cement (with or without) fly ash or ground granulated blast furnace slag (GGBF slag), silica fume fine and coarse aggregates and water. One-Time Use. | |
| SP421-054 | RTF | - For project 0271-17-127 in Harris County. The concrete shall be composed of hydraulic cement (with or without) fly ash or ground granulated blast furnace slag (GGBF slag), silica fume fine and coarse aggregates and water. One-Time Use. | |
| SP421-053 | RTF | - For project 0500-01-117 in Galveston County. Concrete for high performance concrete (HPC). One-Time Use. | |
| SP421-052 | RTF | - For project 0168-09-109 in Randall County. Provides for high performance concrete. One-Time Use. | |
| SP421-051 | RTF | - To improve the performance and quality of thin bonded concrete overlay. Districtwide Use. Houston District. | |
| SP421-050 | RTF | - For project 0913-21-031 in Matagorda County. Provides for high performance concrete. One-Time Use. | |
| SP421-049 | RTF | - For project 0508-01-302 in Harris County. Combination of concrete pavement and thin bonded concrete overlay. One-Time Use. | |
| SP421-048 | RTF | - For project 0508-01-294 in Harris County. Provides for a combination of concrete pavement and thin bonded concrete overlay within project limits. One-Time Use. | |
| SP421-047 | RTF | - For project 0275-01-126 in Potter County. Provides for high performance concrete (HPC) to be composed of Portland cement, fly ash, (with or without) silica fume, (with or without) ultra-fine class F fly ash, fine and coarse aggregates, and water. One-Time Use. | |
| SP421-046 | RTF | - For project 6087-13-001 in Harris County. Provides for Class COS concrete. One-Time Use. | |
| SP421-045 | RTF | - For project 0910-00-057 in Smith County. Provides for changes to materials, classification and mix design, and quality of concrete articles. One-Time Use. | |
| SP421-044 | RTF | - For project 0076-08-220 in Reagan County. Provides for the high performance concrete (HPC) to be composed of Type II Portland cement, fly ash, (with or without) silica fume, fine and coarse aggregates, and water. One-Time Use. | |
| SP421-043 | RTF | - For project 0271-16-115 in Harris County. Provides for the concrete to be composed of hydraulic cement (with or without) fly ash or ground granulated blast furnace slag (GGBF slag), silica fume fine and coarse aggregates and water. One-Time Use. | |
| SP421-042 | RTF | - For project 0275-01-138 in Potter County. Provides for classification, mix and quality of concrete. One-Time Use. | |
| SP421-041 | RTF | - For project 3256-02-065 in Harris County. Provides for Fly Ash, GGBF Slag and Silica Fume. One-Time Use. | |
| SP421-040 | RTF | - For project 0271-16-117 in Harris County. Provides for Fly Ash, GGBF Slag and Silica Fume. One-Time Use. | |
| SP421-039 | - For project 0053-08-059 in Scurry County. One-Time Use. | ||
| SP421-038 | RTF | - For project 0271-16-116 in Harris County. One-Time Use. | |
| SP421-037 | RTF | - For project 0271-16-116 in Harris County. One-Time Use. | |
| SP421-036 | RTF | - For project 0617-02-046 in Nueces County. One-Time Use. | |
| SP421-035 | RTF | - For project 0720-03-111 in Harris County. One-Time Use. | |
| SP421-034 | RTF | - For project 0067-07-077 in Lubbock County. One-Time Use. | |
| SP421-033 | RTF | - For project 1685-01-083, 1685-05-077, 3256-01-078 in Harris County. One-Time Use. | |
| SP421-032 | RTF | - Provides for using the maturity method. Districtwide Use. Houston District, Austin District, Dallas District, El Paso District. | |
| SP421-031 | RTF | - For project 1607-01-043 in Galveston County. One-Time Use. | |
| SP421-030 | RTF | - Revises the requirements for crushed limestone coarse aggregate in concrete pavement. Districtwide Use. Beaumont District. | |
| SP421-029 | RTF | - For project 0192-01-063 in Fort Bend County. One-Time Use. | |
| SP421-028 | RTF | - Requires acceptance of the concrete be based on it meeting the specified design strength when using compressive strength as the control. All projects with Item 421 (beginning with 10/00 letting). Replaces SP421-024 . Statewide Use. | |
| SP421-027 | RTF | - For project 0500-03-494 in Harris County. One-Time Use. | |
| SP421-026 | RTF | - For project 0179-03-024 in Brazoria County. One-Time Use. | |
| SP421-025 | RTF | - For project 0110-04-122 in Montgomery County. One-Time Use. | |
| SP421-024 | RTF | - Deals with alkali-silica reaction in Portland cement concrete. All projects with Item 421 (beginning with 03/00 letting). Replaces SP421-023 .Replaced by SP421-028 . Statewide Use. | |
| SP421-023 | RTF | - Voids and replaces ''Mixing Water'' to adopt the National Standard (ASTM & AASHTO) requirements with some modifications that retain current TxDOT requirements. All projects with Item 421 (beginning with 01/00 letting). Replaces SP421-020 .Replaced by SP421-024 . Statewide Use. | |
| SP421-022 | RTF | - For project 0271-17-123 in Harris County. One-Time Use. | |
| SP421-021 | RTF | - Provides for the use of the maturity method in estimating concrete strength to determine when to open the pavement to traffic. State funded projects only. Districtwide Use. Dallas District. | |
| SP421-020 | RTF | - 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. | |
| SP421-019 | RTF | - For project 0092-05-036 in Ellis County. One-Time Use. | |
| SP421-018 | RTF | - Revises Table 4 of the standard specification to change the class of concrete for culverts and headwalls from Class A to Class C concrete. All projects with Item 421 (beginning with 07/98 letting). Replaces SP421-010 .Replaced by SP421-020 . Statewide Use. | |
| SP421-017 | RTF | - For project 2635-04-012 in Potter County. One-Time Use. | |
| SP421-016 | RTF | - For project 2635-04-012 in Potter County. One-Time Use. | |
| SP421-015 | RTF | - For project 0720-03-082 in Harris County. One-Time Use. | |
| SP421-014 | RTF | - For various projects in Tarrant County. One-Time Use. | |
| SP421-013 | RTF | - For project 1068-01-119 in Tarrant County. One-Time Use. | |
| SP421-012 | RTF | - For project 0786-01-058. One-Time Use. | |
| SP421-011 | RTF | - For project 3256-02-051 in Harris County. One-Time Use. | |
| SP421-010 | RTF | - Allows for GGBF slag. All projects with Item 421. Replaces SP421-005 .Replaced by SP421-018 . Statewide Use. | |
| SP421-009 | RTF | - For project 2121-02-094 in El Paso County. One-Time Use. | |
| SP421-008 | RTF | - For project 0077-06-064 in Tom Green County. One-Time Use. | |
| SP421-007 | RTF | - For project 0077-06-064 in Tom Green County. One-Time Use. | |
| SP421-006 | RTF | - For project 0092-04-059 in Ellis County. One-Time Use. | |
| SP421-005 | RTF | - 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. | |
| SP421-004 | RTF | - VOID - DO NOT USE. Increases the percentage of allowable material finer than the No. 200 sieve from 1 to 3 for crushed limestone. Applies for use in concrete pavements only. Replaces SP421-002 . Districtwide Use. Houston District, Beaumont District. | |
| SP421-003 | - For various projects. Not Issued One-Time Use. | ||
| SP421-002 | RTF | - Increases the percentage of allowable material finer than the No. 200 sieve from 1 to 3 for crushed limestone. Replaced by SP421-004 . Districtwide Use. Houston District. | |
| SP421-001 | RTF | - For various projects. Sam Houston Tollway One-Time Use. | |
| 1993 English Special Provisions by Item (All) |
| Specification Information |
| Search For a Special Provision or Specification |
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