Aggregate base course shall be applied over the prepared sub grade or sub base and compacted in accordance with Section 26 of the Caltrans Standard Specifications. Select a Published Date October 1, 2019 October 1, 2018 October 1, 2017 October 1, 2016 October 1, 2015. needed to conform to these Specifications.
Table 1012-5 Lightweight Aggregate Physical Properties. All aggregate shall be the specified type, class, and grade, and shall meet the requirements for the intended use. The below nominal maximum size … Effects of Aggregate Properties on ConcreteEffect of Size. ...Effect of Grading. ...Effects of Surface Texture. ...Effects of absorption & Surface Moisture. ...Shape of aggregates: Effects of aggregate properties on Concrete like 'Shape and surface texture' affects usually the properties of freshly mixed concrete. (50 mm) 80 … Hard copies of the Standard Specifications for Highway Construction Manual are $20.00 each plus the cost of shipping. an aggregate specification is defined as the smallest sieve opening through which 100% of the aggregate can pass. All project documents submitted for the Jan. 27, 2022 letting, or later lettings, must be in accordance with the 2020 Spec Book.
Type. The Standard Specifications for the Construction of Roads and Bridges on Federal Highway Projects (FP) is issued primarily for constructing roads and bridges on Federal Highway projects under the direct administration of the Federal Highway Administration. 1.5 RELATED WORK: A. The fineness modulus of the fine aggregate shall be not less than 2.3 and more than 3.1. is an open-graded, self-compacting aggregate blend of size 5, 6, & 7 stone. Specification of Coarse Aggregate. This specification covers the requirements for granular aggregate materials for use in subgrade, subbase, base, gravel surface course, shouldering and bedding and backfill to sewers, culverts, and other structures. Phone: 515-239-1742 Fax: 515-817-6507 Address: 800 Lincoln Way, Ames, IA 50010 View staff information E-mail: DOT.Specifications@iowadot.us 500 PCC Pavement and Non-Structural Concrete Construction 2019. Past Standard Specifications for Road and Bridge Construction. This paper presents the current steelmaking slag production status and its potential to use as mineral aggregates in base/sub-base layer of road pavement. 1. To report any errors, contact: Email: MDOT-SpecBook@Michigan.gov. The 2019 Standard Specification book is mandatory for use on projects advertised after October 1, 2019 until September 30, 2021.
Aggregates generally make up about 95 percent of the total mass of hot-mix asphalt mixtures and 80 percent by mass of concrete - aggregate properties are, therefore, critical for quality hot-mix asphalt or concrete. Coarse Aggregate Coarse Aggregate consists of natural occurring stones (crushed, uncrushed or broken). 860.2 Aggregate Source Approval Aggregate sources used in project construction must meet the contract specification minimum requirements for quality. Open graded aggregates are with“porous” with notable air voids between individual stones, and little to suitableno “fines”. This version of the 2022 Standard Specifications is in 8.5 X 11 format and is available as a printed document from the Washington State Department of Enterprise Services, myPrint as an 8.5 X 11 … Letter to Counties and Municipalities. with these Specifications. 2. Where not indicated, compacted thickness shall be 6 inches. The Contractor may use recycled concrete aggregate per 903.05 C. or reclaimed asphalt pavement, at a Section 800—Coarse Aggregate 800.1 General Description This section includes requirements for coarse aggregate. Section 801 – Fine Aggregates. Section 26 Aggregate Bases 4-2601 General This section provides guidelines for inspecting aggregate bases for work specified under Section 26, “Aggregate Bases,” of the Standard Specifications. 305 - SALVAGING, HAULING, AND STOCKPILING RECLAIMABLE ASPHALT PAVEMENT. 2018 Specifications. It should be hard, strong, dense, durable, and clean. Typically, it is made of a layer of class 5 or class 6 dense-graded aggregates (Specification 3138.2E), but it may also contain a drainable layer. P-208 SPECIFICATION P–208.
CIRIA guidance includes advice on: Recommended gradings and criteria to achieve a compromise between stiffness and water storage and transmission capacity. Approved List Sources of Fine & Coarse Aggregates. CIVL 3137 15 Uniformly Graded Aggregate 0 20 40 60 80 100 100 10 1 0.1 0.01 Percent Passing Opening Size (mm) 1½" ¾" 3/ 8" 4 8 16 30 50 100 200 These specifications can only be used for projects until Dec. 1, 2012. Section 802 – Aggregates for Asphaltic Concrete. It may provide a different texture or color to distinguish areas, such as shoulders and travel lanes. 5.3.3. 2) Use geotextile to separate pipe embedment zone material and aggregate in additional excavation area when migration of fines is a concern. Monitoring Devices - Piezometer. 6.
This material cannot be 'compacted' in a true sense, but can be properly oriented with compaction equipment. (100 mm) 3½ in. GDOT Product Specifications. Very little aggregate in the medium size range Lots of different particle sizes thus very little void space. C. Aggregates for Optimized Gradation . STANDARD SPECIFICATIONS FOR ROAD AND BRIDGE CONSTRUCTION EDITION OF 2019 Approved for June 1, 2019 Andy Barber, P.E. 57 is a type of aggregate grading. Fine Aggregates.
This gradation specification is reported on a table or chart (see example ). By downloading files from this FTP service, you are agreeing to this License Agreement: Section 033000 – Cast in Place Concrete. Spec Year : 2019 (11) 100 General Provisions 2019. This is particularly important when using #57 stone under Flexi-Pave surfaces. RCA results in an aggregate that can be well graded and of high quality. This Unit develops, reviews and recommends changes to the Department's policies and specifications for aggregate materials used in construction. This specification is written as a provincial-oriented specification.
It is also used by the U. S. Forest Service and other Federal agencies on their projects. STANDARD SPECIFICATIONS for CONSTRUCTION … Aggregate shall match color, size, and gradation of the aggregate used in the exposed aggregate sidewalks and pavement existing in the immediate vicinity of the Project. 703 AGGREGATE - Pages AGGREGATE BASE COURSE DESCRIPTION 208–1.1 This Work consists of a base course composed of hard, durable particles or fragments of crushed coarse aggregate blended with either binder and fine aggregate or filler. SPECIFICATION REQUIREMENTS This specification refers to the following standards, specifications, or publications: Ontario Provincial Standard Specifications, Construction . George Lukes – Standards and Design Engineer glukes@utah.gov 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 ASTM No. The Materials Supplier Viewer contains the NYSDOT-Approved Sources of Aggregate for hot mix asphalt and portland cement concrete. Pennsy Supply is the largest producer of aggregate in central Pennsylvania, producing more than nine million tons every year consisting of primarily crushed stone, sand and gravel. Aggregate base is designated as Class 2 or Class 3. OPSS 313 Hot Mix Asphalt … MATERIAL SPECIFICATION FOR AGGREGATES - … 400 Asphalt Pavements 2019. According to "Materials for Sustainable Sites" by Meg Calkins, "larger sizes such as 57, 67 and 78 will have more rapid permeability and little susceptibility to clogging."
Division 1 Specifications, apply to the work in this specification. Granular base course aggregate will be subject to testing by the Engineer at the time the material is being produced and after being laid on the road. (90 mm) 2½ in. The Specifications for Stockpiling Aggregate will be applicable in the stockpiling of granular base course aggregate. (See Greenbook discussion below.) This Unit develops, reviews and recommends changes to the Department's policies and specifications for aggregate materials used in construction. APPENDIX D — INDOT COURSE AGGREGATE SIZE SPECIFICATIONS Sieve Sizes Coarse Aggregate Sizes (Percent Passing) Coarse Graded Dense Graded 2 5 8 9 11 12 431 91 531 731 4 in. Orders can be submitted by phone at (803) 737-4533 or by email to PlanStorage@scdot.org. Table 1012-1 Aggregate for Asphalt Pavements and Surface Treatments. Table 1014-1 Gradation for Lightweight Coarse Aggregates. It provides a skid-resistant surface. 2018 NCDOT Standard Specifications. In February 2007, Sections 25 and 26 of the 2006 Standard Specifications were amended to allow, for Class 1, 2, 3, or 4 aggregate subbase and Class 2 or 3 aggregate base, up to 100 percent of any combination of: Aggregate Base is the layer of aggregate placed below the HMA or PCC pavement. The 2018 book is valid on projects with a bid date now through Nov. 30, 2020. Aggregate Specifications ASTM C33 - Normal Weight Aggregates Size and Gradation . 4 {4.75 mm} sieve and 22A is to be used under areas that will be surfaced with Hot Mix Asphalt (HMA) surfaces such as mainline, shoulders and approaches (23A is not to be used for this work).
Table 1005-2 Aggregate Gradation – Fine Aggregate. Grading The fine aggregate shall not pass 45% from a single sieve and retained on the next consecutive sieve as shown in table-1. Many local jurisdictions use Caltrans specifications.In Southern California, the Greenbook is commonly used. 1003.02 REFERENCES . Table 1012-5 Lightweight Aggregate Physical Properties. Type A Aggregate Provide hard, durable particles or fragments of stone, slag, gravel, or chert, and other finely divided mineral matter. https://dot.ca.gov/programs/design/ccs-standard-plans-and-standard-
SPECIFICATIONS Standard Specifications (FP-14) | FHWA 3.
Specification of aggregates The aggregates used in the sub-base below pervious surfaces must consider the presence of water on the materials and the need to transmit water. Specifications. 1.4 APPROVED INSTALLERS: A. Installers of aggregate pier foundation systems shall have a minimum of 5 years of experience with the installation of aggregate piers and shall have completed at least 100 projects. It may provide light-reflecting qualities. Section 800 – Coarse Aggregates. The Standard Specifications have been developed to serve as a baseline for the work that is delivered to the public by the Washington State Department of Transportation. If using aggregate produced from concrete pavement with only one type of aggregate but repaired with concrete patches with a different aggregate type.
GDOT Product Specifications. 305 - SALVAGING, HAULING, AND STOCKPILING RECLAIMABLE ASPHALT PAVEMENT.
Approved Sources can be viewed on the interactive map and/or exported as a table.
Construction specifications.
It must be free from veins, adherent coatings and injurious amounts of disintegrated pieces, alkali, vegetable matter and other deleterious substances. Source: ASTM Standard C33/C33M The second column in the table shows the aggregate size range that is always decided prior to use. More performance tests are also used to test aggregates in concrete. 5.1 The standard sizes of aggregate described in this clas-sification are manufactured by means of any suitable process used to separate raw material into the desired size ranges. Bases & Subbases Quality Control/Quality Assurance. 1) The aggregates provided in accordance with this specification will be measured and paid for in accordance with governing specifications for the Items of construction in which these materials are used. Production of standard sizes by blending two or more different components is permitted.
b. Every effort must be made to make sure that the sample brought to a lab is truly representative of the material in the field.It is wise to follow national standards such as The Benefit of Testing Aggregates 41 Figure 9: Stack of sieves used for testing the gradation of aggregate. Specification of Coarse Aggregate. What’s the difference? Section includes: Micro Finished and Exposed Coarse Aggregate Concrete produced through the use of a chemical surface retarder to expose the sand and fine aggregates of a concrete mix If the meeting a particular specification should be based upon specific information obtained from tests used to measure the aggregate’s quality or, more importantly, its service record, or both. meeting a particular specification should be based upon specific information obtained from tests used to measure the aggregate’s quality or, more importantly, its service record, or both. A. 703 AGGREGATE .
conform with these Specifications.
2018 Standard Specifications & Special Provisions The 2018 edition of the Oregon Standard Specifications for Construction is effective for all ODOT projects with a bid date of Dec. 1, 2017 through Nov. 30, 2020. Standard Specifications. The Aggregate Acceptance Unit ensures the quality of aggregates in Florida’s transportation system by approving and monitoring aggregate sources. Rip Rap 109-Critical Path Method Project Schedule 199 ... 2018 Standard Specifications for Construction and Materials .
It should be hard, strong, dense, durable, and clean. this specification, aggregates may be accepted or rejected on the basis of field performance, as determined by the Owner. Before hauling, the Contractor shall place the Graded Aggregate for Base Course Graded aggregate for base course shall meet the gradation and other requirements of ASTM D 2940 for bases with the following modifications. Table 1012-1 Aggregate for Asphalt Pavements and Surface Treatments. Table 1005-2 Aggregate Gradation – Fine Aggregate. Coarse Aggregate Coarse Aggregate consists of natural occurring stones (crushed, uncrushed or broken). MATERIALS. 8 TESTING . Subject (PDF Format) 06/01/2001. 1.4 APPROVED INSTALLERS: A. Installers of aggregate pier foundation systems shall have a minimum of 5 years of experience with the installation of aggregate piers and shall have completed at least 100 projects. Specifications. Pipe Embedment Zone Backfill Requirements for Outside and Within Wetland (63 mm) 100 2 in. Micro-Surfacing. 2007 Standard Specifications 2000 Standard Specifications. 900. Road Aggregate 101: Gradation or distribution of different sized stones Open graded aggregate vs. well graded aggregate.
Aggregate base course shall have minimum uniform thickness after compaction of dimensions indicated. Section 25 and 26 Updates to 2006 Standard Specifications.In February 2007, Sections 25 and 26 of the 2006 Standard Specifications were amended to allow, for Class 1, 2, 3, or 4 aggregate subbase and Class 2 or 3 aggregate base, up to 100 percent of any combination of: SECTION 02621 AGGREGATE BASE AND SUBBASE MnDOT Standard Specifications for Construction 2020 Volume II - Division II (PDF) The 2020 edition is effective for most projects let on or after Jan. 27, 2022.
2021 Standard Specifications for Highways and Bridges (PDF 22.71 MB) Open PDF file, 450.67 KB, for. 200 Earthwork 2019. 800.1.01 Related References A. 1) Borrow Aggregate meeting requirement s of ASTM C33, coarse aggregate size number 3 or 4 and/or surge stone. 3 / 4-inch sieve.
and (c.) below. 3. Aggregate PART 1: GENERAL REQUIREMENTS. (a) Type A aggregate for mineral aggregate base and surface courses shall consist of hard durable particles or fragments of stone, slag, gravel, or chert, and other finely divided mineral matter. 2018 Standard Specifications | Caltrans Anti-Skid . These … Steelmaking slag is one of the most massive industrial by-products generated during steelmaking processes.
The nominalsize distribution of an aggregate specification is defined as the range of sieve openings through which 100% of the aggregate can pass. It is resistant to the abrasion of moving wheel loads and transfers the wheel load to the underlying layers. Nominal maximum aggregate size is the largest sieve that retains 10% or more of the total aggregate mixture. 2. Nominal maximum aggregate size is the largest sieve that retains 10% or more of the total aggregate mixture. Sample sizes should not be more that 400 g (14 oz.) greater than the minimum recommended sample mass. 900. Where recycled aggregate is allowed, it must also, of course, meet the same grading … Recycled Aggregate Characteristics.
You may contact one of the following for more information. more controversy in aggregate testing than any other factor. Supplemental Specifications dated September 30, 2021 (PDF 450.67 KB) Price Adjustments. Coarse Aggregates. These tests quantify the physical characteristics of each aggregate product from each source.
This is a free service. Section 815—Graded Aggregate 815.1 General Description This section includes the requirements for material to be used for base, subbase, or shoulder course material, and includes graded aggregate, unconsolidated limerock base, and crushed concrete base. The fine aggregate shall consist of natural sand, manufactured sand, or a combination thereof. AASHTO M-29 Fine Aggregate for Bituminous Paving Mix AASHTO M-43 Standard Size of Coarse Aggregate for Highway Construction AASHTO M-156 Requirements for Mixing Plants for Hot-Mixed, Hot-Laid Bituminous Paving Mixtures. State Highway Engineer KYTC Mission Statement: To provide a safe, efficient, environmentally sound and fiscally responsible transportation system that delivers economic opportunity and enhances the quality of life in Kentucky. Letter to Region Transportation Directors, Region Program Engineers, and Branch Heads. 5.3.4. To DOWNLOAD a ZIP file of all of these documents: Click here and save the file to a folder on your hard drive. Table 1005-1 Aggregate Gradation – Coarse Aggregate. Granular base course aggregate will be subject to testing by the Engineer at the time the material is being produced and after being laid on the road. 11/01/2006. Table 1005-1 Aggregate Gradation – Coarse Aggregate. 2014 Supplemental Specifications. The ASTM specification for this type of concrete aggregate is C 33. SPECIFICATION REQUIREMENTS Standard Specifications Section 800—Coarse Aggregate Section 801 – Fine Aggregates. AASHTO M-208 Specification for Cationic Emulsified Asphalt AASHTO M-226 Viscosity Graded Asphalt Cement - Table Three (3) 815.1.01 Related References A. MATERIALS 2.1 Aggregate. 4. 8 TESTING . (a) Class A aggregate for mineral aggregate base and surface courses shall consist of hard durable particles or fragments of stone, slag, gravel, orchert, and other finely divided mineral matter. A typical consensus specification for fine and coarse aggregate for concrete is ASTM C 33. MaineDOT Standard Specification for Base and Subbase Aggregate 703.06 Aggregate for Base and Subbase The following shall apply to Sections (a.) Store select seeding aggregates off the ground and protected from moisture.
Aggregate Aggregate Various tests, including quality, freeze-thaw, and alkali-silica reactivity (ASR) are performed on aggregates used for road and bridge construction in Illinois. Specifications . more controversy in aggregate testing than any other factor. 2. Standard Sizes 6.1 Standard aggregate sizes shall conform to the require- More performance tests are also used to test aggregates in concrete. b. Table 1014-1 Gradation for Lightweight Coarse Aggregates. Division 1 Specifications, apply to the work in this specification. The 2003 Standard Specifications for Construction may be ordered by contacting the MDOT Publications Office. The following aggregate approval and acceptance guidance is intended to clarify the department's aggregate testing requirements outlined in the standard specifications and QMP provisions. 02/01/2007. specifications are intended for convenience of reference and not have any bearing on will their interpretation. Standard Specifications Section 424—Bituminous Surface Treatment B. Referenced Documents REFERENCE ITEMS (300), (330) Go to Top. 2. Open PDF file, 22.71 MB, for. The material shall have a Micro-Deval…” and replace with “The material shall have a minimum degradation value of 25.0 or less15 as determined by AASHTO T 327. The Specifications for Stockpiling Aggregate will be applicable in the stockpiling of granular base course aggregate. Table 703.4 Standard Sizes of Coarse Aggregates AASHTO M43 Amounts finer than each laboratory Sieve (square openings), percentage by weight. 1004.05.02 Clear Stone . [1] FINE AGGREGATE Stone Dust: 0.5mm - 5mm Coarse Sand: 0.5mm - 2mm Medium Sand: 0.25mm - 0.5mm Fine Sand: 0.06mm - 0.25mm Silt: 0.002mm - 0.06mm Clay: < 0.002mm. Coarse aggregates are particulates that are greater than 9.5mm. The usual range employed is between 9.5mm and 37.5mm in diameter. 803.2 Aggregate for Concrete 649 803.3 Aggregate for Mortar 652 803.4 Aggregate for Subbase and Base 652 803.5 Aggregate for Flexible Pavement 653 803.6 Aggregate for Plant Mix Wearing Course 655 803.7 Aggregate for Microsurfacing 656 803.8 Aggregate for Chip Seal 656 803.9 Aggregate for Blotter 657 4.2 Include in the purchase order for aggregates the follow-ing information, as applicable: 4.2.1 Reference to this specification, as C 33____, 4.2.2 Whether the order is for fine aggregate or for coarse aggregate, 4.2.3 Quantity, in metric tons or tons, Email: MDOT-Publications@Michigan.gov. Section 800 – Coarse Aggregates. Letter to Contractors and Consultants. The material specifications are published in PDF format and may be accessed and printed upon acceptance of this agreement. Reference by date and title will be made to these Specifications on plans and other contract documents 2014 Standard Specifications (Includes Supplemental Specifications published on October 1, 2019)
Name. Construction aggregate, or simply aggregate, is a broad category of coarse- to medium-grained particulate material used in construction, including sand, gravel, crushed stone, slag, recycled concrete and geosynthetic aggregates.Aggregates are the most mined materials in the world. Construction Specifications Publication 408. Before hauling, the Contractor shall place the Every effort must be made to make sure that the sample brought to a lab is truly representative of the material in the field.It is wise to follow national standards such as The Benefit of Testing Aggregates 41 Figure 9: Stack of sieves used for testing the gradation of aggregate. 1.01 Description. It must be free from veins, adherent coatings and injurious amounts of disintegrated pieces, alkali, vegetable matter and other deleterious substances. Recycled concrete aggregate or reclaimed asphalt pavement, at a maximum 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) Coarse Aggregate Requirements . All learning outcomes achieved in this Level One Certification include the following: Perform personal protection practices in the laboratory and on the construction site. The Materials Bureau also maintains the Materials and Equipment Approved List.
1. 2014 Standard Specifications Book. The aggregate shall be of two classes: Class A and Class B. Inspector Section 033000 – Cast in Place Concrete. sions, and Special Provision Copied Notes included in the specific contract. stockpiled aggregates, the preferred practice is to use a running average of the results for the mixture design. An aggregate is a collection of people who happen to be at the same place at the same time but who have no other connection to one another. Example: The people gathered in a restaurant on a particular evening are an example of an aggregate, not a group. 1 Construction Standard Specification Section 03351 Exposed Aggregate Concrete Part 1 – GENERAL 1.01 Summary A.
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