Some Articles are not used in every Item. Measurement and Payment Articles are combined when the work described is subsidiary to bid Items of the Contract. HIERARCHY OF ORGANIZATIONAL ELEMENTS Here "XXX" represents the Item number. The hierarchy of organizational elements available below the Item level is as follows: XXX.1., …
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Item 247, "Flexible Base," for the type and grade shown on the plans, before the addition of lime or FA. 2.5. Water. Furnish water free of industrial wastes and other objectionable matter. 2.6. Asphalt. When permitted for curing purposes, furnish asphalt or emulsion in accordance with Item 300,
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Statewide Use. SP247-038. PDF. RTF. - Adds ride quality and cement treatment to flexible base and provides recycled materials that have a maximum sulfate content of 3000 ppm when tested in accordance with Tex-145-E. SP 247---038 contains the requirements of 247---033 and 247---028 and may be used in lieu of 247---033.
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Item 247 Flexible Base . 1. DESCRIPTION Construct a foundation course composed of flexible base. 2. MATERIALS ... 2024 Specifications 247 3 . 2.4.1. Sampling. The …
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- This Special Provision incorporates 2024 Standard Specification language from Item 247. Required for all projects using Flexible Base beginning with the February 2024 letting. Use of this SP prior to the February 2024 letting is at the District's option. It will also replace the current statewide SP 247-003. Replaces SP247-003 . Statewide Use.
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Adds ride quality and lime treatment to flexible base and provides recycled materials that have a maximum sulfate content of 3000 ppm when tested in accordance with Tex-145 …
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Item 132, "Embankment" Item 247, "Flexible Base" Item 275, "Cement Treatment (Road-Mixed)" Item 401, "Flowable Backfill" Item 421, "Hydraulic Cement Concrete" 2.2.1. Pavers. Furnish pavers meeting the requirements of ASTM C936; …
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Use a cage surface of cast or welded steel fabric grid with bars 1-1/2 in. wide, spaced on 5-in. centers in each direction, that undulate approximately 1 in. between the high and low points. Furnish rollers capable of providing a total load of 5–13 ton and capable of being operated in a forward or backward motion. 2.6.
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Item 616, "Performance Testing of Lighting Systems." 4. MEASUREMENT This Item will be measured as each roadway illumination assembly installed, relocated, or removed; or by each luminaire replaced. 5. PAYMENT The work performed and materials furnished in accordance with this Item and measured as provided under
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Furnish base material that meets the requirements of Item 247, "Flexible Base," for the type and grade shown on the plans, before the addition of cement. 2.3. Water. Furnish water that is free of industrial waste and other objectionable material. 2.4. Asphalt. Furnish asphalt or emulsion that meets the requirements of Item 300, "Asphalts ...
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FLEXIBLE BASE. 247.1. Description. Construct a foundation course composed of flexible base. 247.2. Materials. Furnish uncontaminated materials of uniform quality that meet the requirements of the plans and specifications. Notify the Engineer of the proposed material sources and of changes to material sources.
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ITEM 432 RIPRAP 432.1. Description. ... Filter fabric shall meet the requirements of Departmental Material Specification D-9-6200, Type 2. (a) Stone (Type R). ... The aggregate for this riprap shall be material conforming to Item 247, "Flexible Base", except for measurement and payment, of the type and grade shown on the plans. Unless
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This Item will be measured by the actual hours the heavy pneumatic tire proof roller unit works as directed by the Engineer. 216.5. Payment. The equipment furnished and operated in accordance with this Item and measured as provided under "Measurement" will be paid for at the unit price bid for "Rolling (Proof)". This price shall be
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Use existing base and add new flexible base as required in accordance with Item 247, "Flexible Base," and details shown on the plans to achieve required section. 4.3.2. Lime-Stabilized Base. Use existing base, add new flexible base, …
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The Official/unofficial bid item index dashboard displays the bid item list and quantities for projects scheduled for TxDOT statewide letting or TxDOT local district lettings. This dashboard updates hourly. Official Bid Items projects are within 21 days of letting. Unofficial Bid Items projects are between 42 days and 22 days before letting.-->
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2014 Local Government Standard Specifications and Special Provisions; 2024 Templates. The templates below are intended for use with items 1-9 in the TxDOT's Standard Specifications and Special Provisions on local government let projects that are on the state highway system or include reimbursement using FHWA or TxDOT funds.
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Provide aggregate that meets Item 247, "Flexible Base," for the type and grade shown on the plans. Use cement-stabilized riprap with 7% hydraulic cement by dry weight of the aggregate. 2.5. Special Riprap. Furnish materials for special riprap according to the plans.
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Item 247, "Flexible Base," for the type and grade shown on the plans, before the addition of lime. 2.4. Water. Furnish water free of industrial wastes and other objectionable material. 2.5. Asphalt. When asphalt or emulsion is permitted for …
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Item 400, "Excavation and Backfill for Structures" Item 420, "Concrete Substructures" Item 458, "Waterproofing Membranes for Structures" Item 556, "Pipe Underdrains" Construct required piling or drilled shafts in accordance with the pertinent specification. 423 4 3.2. Options. When optional design details are shown on the plans ...
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accordance with Item 247, "Flexible Base." Remove all loose or unsuitable materials. Carefully backfill all depressions to grade with additional base material, and compact the backfill to a density at least equal to the adjacent base. Remove any buried debris protruding from the base, and carefully backfill and compact voids as specified above.
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TxDOT Specifications - English and Metric Specification Books, Special Provisions, Special Specifications, Change Memorandums, ... Required on all projects using Item 247 beginning with the July 2009 letting. Replaces SP247-020 . (Change Memo: de-15-09). Statewide Use. ATLANTA - DISTRICT 19: SP247-044
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247---044 Flexible Base. For this project, Item 247, "Flexible Base," of the Standard Specifications, is hereby amended with respect to the clauses cited below, and no other clauses or requirements of this Item are waived or changed hereby. Article 247.2. Materials, Section A. Aggregate, Table 1. Material Requirements is replaced by the ...
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Items Referenced in the 2014 Standard Specifications for Construction and Maintenance of Highways, Streets, and Bridges Item Title Items, Articles, and Sections Referenced 216 Proof Rolling 210 247 Flexible Base 4, 9, 105, 204, 210, 216, 520 251 Reworking Base Courses 204, 210, 216, 247, 520
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2014 Specifications Book (Version 1 - for November and December 2014 Letting) 2004 Specifications John F. Obr, P.E., Construction Division Director, Memo (July 10, 2014)
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TxDOT Specifications. 1993 Standard Specifications Book. Last Updated (04/29/2002) ... 247 - FLEXIBLE BASE. SPECIFICATION REQUIREMENTS 1) Typical sections, lines and grades must be shown on the plans. 2) Width, depth and courses must be shown on typical sections or provided on the plans. ... REFERENCE ITEMS (204, …
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TxDOT 2014 Standard Specification for Construction and Maintenance of Highways, Streets and Bridges (Specification Book) Item 247, " Flexible Base," TxDOT test methods, Series 100 -E and 400 A, TxDOT Guide Schedule of Sampling and Testing, TxDOT training class CON411, "Inspection of Flexible Base & Embankment," and
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October 16, 2018. Collaborative effort between Texas A&M Transportation Institute (TTI) and Materials & Tests Division (MTD). Provides a basic overview of Item 247, "Flexible. …
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ITEM 247 FLEXIBLE BASE 247.1. Description. Construct a foundation course composed of flexible base. 247.2. Materials. Furnish uncontaminated materials of uniform quality that …
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2024 Standard Specification Changes 200 Series Items. 69. Item 247 – Flexible Base. Unconfined compressive strength for. Grade 1-2 may be waived. – Unless otherwise shown on the plans, the unconfined compressive strength is waived when the flexible base material meets a #200 sieve requirement. – #200 sieve requirement added to material ...
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Flex Base (TxDOT Item 247) Arcosa Crushed Concrete produces a clean, quality base that can be used on TxDOT projects. Flex Base is commonly used in a wide variety of applications, such as: Underlayment in concrete and asphalt paving. Temporary and permanent roadways. Construction entrances. Driveway and sidewalk construction.
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