1993 English Special Provisions to Item 420 - CONCRETE STRUCTURES (All)
| 1993 English Special Provisions by Item (All) | |||
| Specification Information | |||
| Search For a Special Provision or Specification | |||
| SP420-027 | RTF | - For project 0074-06-201 in Nueces County. Construct concrete structures. One-Time Use. | |
| SP420-026 | RTF | - For project 0447-05-055 in Refugio County. Provides for all plans for forms and falsework, superstructure spans over 20 ft long and for all bridge widening details to be submitted to the Engineer and provides for using the maturity method. One-Time Use. | |
| SP420-025 | RTF | - For project 0380-01-064 in Lubbock County. Construct concrete structures. One-Time Use. | |
| SP420-024 | RTF | - For project 0049-06-061 in Robertson County. Provides for changes to materials and general requirements. One-Time Use. | |
| SP420-023 | RTF | - For project 0380-01-049, 0380-01-064 in Lubbock County. Provides for use of maturity method. One-Time Use. | |
| SP420-022 | RTF | - For project 0074-06-198 in Nueces County. Provides for using the maturity method. One-Time Use. | |
| SP420-020 | RTF | - For project 0902-48-462 in Tarrant County. Provides for a carpet drag, etc. finish of roadway surfaces. One-Time Use. | |
| SP420-019 | RTF | - Revises the wording for monolithic mass placement of SP 420-016. Districtwide Use. Turnpike Authority District. | |
| SP420-018 | RTF | - For project 0151-05-081, 0683-01-069 in Williamson County. Changed definition of mass placement of concrete to a cross-sectional area greater than 24 square feet. One-Time Use. | |
| SP420-017 | RTF | - For project 3136-01-126 in Travis County. Provides for the use of Test Method Tex-426-A. One-Time Use. | |
| SP420-016 | RTF | - Provides for all plans for forms and falsework, superstructure spans over 20 ft long and for all bridge widening details to be submitted to the Engineer. Replaces SP420-014 . Districtwide Use. Houston District, Dallas District, El Paso District, Turnpike Authority District. | |
| SP420-015 | RTF | - Requires that working drawings for formwork, falsework, and erection plans be signed and sealed by a P. E. and submitted to the Engineer. All projects with Item 420 (beginning with 09/01 letting). Replaces SP420-013 . Statewide Use. | |
| SP420-014 | RTF | - Provides for using the maturity method. Replaced by SP420-016 . Districtwide Use. Houston District, Dallas District, El Paso District. | |
| SP420-013 | RTF | - This change is necessary to include information that was inadvertently omitted from the previous special provisions. All projects with Item 420 (beginning with 04/00 letting). Replaces SP420-012 .Replaced by SP420-015 . Statewide Use. | |
| SP420-012 | RTF | - Incorporates compressive strengths as an alternative where only flexural strength is specified. It also deletes the heat flow analysis requirement for mass concrete. All projects with Item 420 (beginning with 04/00 letting). Replaces SP420-009 .Replaced by SP420-013 . Statewide Use. | |
| SP420-011 | RTF | - VOID - DO NOT USE. 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. | |
| SP420-010 | RTF | - VOID - DO NOT USE. Incorporates the requirement of statewide 420---009 into 420---007. Replaces SP420-007 . Districtwide Use. Houston District. | |
| SP420-009 | RTF | - Allows bridges to be opened to traffic after completion of coring, design strength is achieved and concrete surface treatment has been applied. All projects with Item 420. Replaces SP420-006 .Replaced by SP420-012 . Statewide Use. | |
| SP420-008 | RTF | - VOID - DO NOT USE. Removes the 14 and 21 days required before traffic allowed on structures. Traffic allowed when required curing time and design strength are met. Includes requirements of required SP420---006. Districtwide Use. Dallas District. | |
| SP420-007 | RTF | - Changes the maximum temperature for mass concrete placements from 75 F to 85 F. Includes requirements of Statewide 420---006. Replaced by SP420-010 . Districtwide Use. Houston District. | |
| SP420-006 | RTF | - Changes reference from Item 575 to Special Specifications, ''Epoxy and Adhesives''. All projects with Item 420. Replaced by SP420-009 . Statewide Use. | |
| SP420-005 | RTF | - For project 0910-00-031 in Smith County. One-Time Use. | |
| SP420-004 | RTF | - For project 0077-06-064 in Tom Green County. One-Time Use. | |
| SP420-003 | RTF | - For project 0920-30-037 in Orange County. One-Time Use. | |
| SP420-002 | RTF | - For project 0920-38-059 in Jefferson County. One-Time Use. | |
| 1993 English Special Provisions by Item (All) |
| Specification Information |
| Search For a Special Provision or Specification |
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