• TxDOT Specifications - dot.state.tx.us

    Mar 05, 2004· 302 - AGGREGATES FOR SURFACE TREATMENTS. SPECIFICATION REQUIREMENTS 1) Type(s) and grade(s) of aggregate must be shown on the plans. 2) Specify Surface Aggregate Class. 3) Specify any additives or antistrip if desired. 4) Show on the plans if Flakiness index is to be other than 17 max.

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  • Driving Surface Aggregate (DSA) | Center for Dirt and ...

    Driving Surface Aggregate (DSA) is a well-graded, unbound mixture of aggregate designed for use as a wearing course on unpaved roads. DSA is designed to achieve maximum density to resist erosion and traffic wear. Properly installed DSA roads will have greatly reduced sediment loss …

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  • Asphalt Concrete Base (ACB) - Pavement Interactive

    Asphalt concrete base (ACB), also called asphalt treated base (ATB), is a dense-graded HMA with a larger nominal maximum aggregate size (1 inch) intended for use as a base course or binder course (see Figure 1). In addition to site paving benefits, ACB can be advantageous because it can provide: A waterproof barrier to prevent fines infiltration into the subgrade and pavement structure.

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  • Bulletin Trail Surface Aggregate (TSA)

    “downsizing” of the successful and popular Driving Surface Aggregate (DSA) developed for use on roads. Specification: All TSA material is to be derived from natural stone formations. Stone is defined as rock that has been crushed; rock is defined as consolidated mineral matter. Both are restricted to that which has been mined or quarried from

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  • Section 306 AGGREGATE SURFACE COURSE - …

    aggregate surface course applications, compact each layer of aggregate to at least 95 percent of the maximum unit weight, at a moisture content no greater than optimum. Shape the finished surface and layers to within ±½ inch of the crown and grade shown on the plans.

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  • Recycled Materials Specifications

    Aggregates. Specification 902: Fine Aggregate - Local materials - Any materials meeting requirements for size, hardness and durability. Screenings from reclaimed Portland Cement Concrete pavement. Specification 334: Crushed Glass (not in surface course) Specification 901: Coarse Aggregate - Reclaimed Portland Cement Concrete.

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  • 02204 - Base Course - Juneau

    leveling course on a prepared surface to the lines and grades shown on the Drawings. PART 2 - PRODUCTS 2.1 MATERIAL A. Aggregate base course shall consist of crushed gravel or crushed stone, conforming to the quality requirements of AASHTO M 147. The aggregate shall be …

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  • 32 11 23 Aggregate Base Course - UDFCD

    SECTION 32 11 23 AGGREGATE BASE COURSE PART 1 GENERAL 1.01 SECTION INCLUDES A. The WORK to be performed includes the preparation of the aggregate base course ... A. Aggregates: Aggregates for bases shall be crushed stone, crushed slag, crushed gravel ... SPECIFICATION. D. The surface of each layer shall be kept true and smooth at all times. 3 ...

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  • Airport Construction Standards (AC 150/5370-10) – Airports

    Provides individual specifications from AC 150/5370-10, Standards for Specifying Construction of Airports, including construction standards for general provisions, earthwork, flexible base courses, rigid base courses, flexible surface courses, rigid pavement, fencing, drainage, turfing, lighting installation, pavement rejuvenation

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  • MICHIGAN DEPARTMENT OF TRANSPORTATION BUREAU OF ...

    Crushed Aggregate Base Course DESCRIPTION ... specification requirements shall not be ... The surface of the aggregate base course shall be finished by blading or with automated equipment especially designed for. P-209, Crushed Aggregate Base Course Page 4 of 5 this purpose.

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  • Standard Specification for Aggregate for Single or ...

    1.1 This specification covers the quality and sizes of crushed stone, crushed slag, crushed expanded shale, crushed expanded clay, crushed expanded slate, and crushed or uncrushed gravel suitable for use as aggregate in single or multiple bituminous surface treatments.

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  • STANDARD SPECIFICATIONS FOR ROADS AND …

    When this publication, entitled Standard Specifications for Roads and Structures, dated January 2018, is incorporated by reference into the Department’s construction bid proposals or contracts; it is made a part of that document and shall be known as the Standard Specifications.

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  • DSS - 32 15 50 Gravel Roads and Driveways v2

    2.2 BASE COURSE MATERIAL A. 3/4 inch compaction or proof maximum untreated base course meeting the requirements of Utah's APWA Standard Specification Section 32 11 23 "Crushed Aggregate Base" Grade ¾, Paragraph 2.1, Table 3. 2.3 TOP COURSE MATERIAL A. 3/4 inch minus uniform gravel or crushed rock. Part 3 EXECUTION

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  • P-208 Aggregate Base Course - michigan.gov

    BUREAU OF AERONAUTICS -- STANDARD SPECIFICATION P-208 Aggregate Base Course DESCRIPTION 1.1 This item shall consist of a base course composed of a partially crushed and uncrushed coarse aggregate combined with natural fine aggregates (sand) and soil. It shall be constructed on a prepared underlying course

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  • SECTION 301 AGGREGATE SURFACING

    SECTION 301 AGGREGATE SURFACING ... When crushed aggregate course is a bid item, construct the aggregate surfacing section to ... A rutted or frozen subgrade or aggregate surface; or . 3. Any surface not meeting grade or surface smoothness specifications. B. Pugmill Mixing.

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  • 5 Aggregate Specifications and Requirements - in.gov

    5 Aggregate Specifications and Requirements Physical Quality Requirements Fine Aggregates ... skid-resistant hot mix asphalt surface courses. ... There is a specific requirement for gravel coarse aggregates regarding crushed particles. This requirement applies, however, only when gravel ...

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  • 3138 AGGREGATE FOR SURFACE AND BASE COURSES …

    3138 AGGREGATE FOR SURFACE AND BASE COURSES 3138.1 SCOPE This specification lists the quality requirements for aggregates used for 2118, 2211, and 2221. ... Class 2 must be composed of crushed quarry rock, and (3) Conforms to the quality requirements of Table 3138-1. ... crushed quarry aggregate.

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  • PART IV -- SURFACE COURSES - Louisiana

    Aggregate Surface Course 401.01 DESCRIPTION. This work consists of furnishing and constructing aggregate surface courses for shoulders, drives or other facilities in accordance with these specifications, and in conformity with the lines, grades, thicknesses and typical sections shown on the plans or established. 401.02 MATERIALS.

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  • Standard Specification for Materials for Soil-Aggregate ...

    D1241-15 Standard Specification for Materials for Soil-Aggregate Subbase, Base, and Surface Courses surface course~ subbase course~ ~ Products and Services / Standards & Publications / Standards Products. ASTM D1241 - 15 Standard Specification for Materials for Soil-Aggregate Subbase, Base, and Surface Courses.

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  • DIVISION 1100 AGGREGATES - ksdot.org

    This specification is for coarse aggregates, intermediate aggregates, fine aggregates, mixed aggregates ... types of concrete construction. 1102.2 REQUIREMENTS a. Coarse Aggregates for Concrete. (1) Composition. Provide coarse aggregate that is crushed or uncrushed gravel, chat, or crushed stone. ... Bridge Deck Wearing Surface. (b) The quality ...

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  • 19 Spec -Section 301 Base, Subbase, and Subgrade …

    Section 301 Base, Subbase, and Subgrade Aggregate 301.1 Description (1) This section describes requirements common to sections 305 through 313 and 350. Exceptions and additional requirements are specified in those sections. 301.2 Materials 301.2.1 General (1) Provide coarse aggregates from a department-approved source as specified under 106.3.4.2.

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  • UFGS 32 15 00 Aggregate Surfacing - WBDG

    Measure the quantity of aggregate surface course completed and accepted, as determined by the Contracting Officer, in [square] [cubic] meters yards. The [volume] [area] of aggregate surface course in-place and accepted will be determined by the [average job thickness obtained in accordance with

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  • Section 800 Coarse Aggregate - Welcome to The GDOT

    Section 800—Coarse Aggregate 800.1 General Description This section includes requirements for coarse aggregate. All aggregate shall be the specified type, class, and grade, and shall meet the requirements for the intended use. 800.1.01 Related References A. Standard Specifications Section 424—Bituminous Surface Treatment B. Referenced Documents

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