Asphalt Overlay Specifications

Asphalt Overlay Recommendations and Specifications | All 28/06/2019· Asphalt Overlay Recommendations and Specifications By: Daren AllPaving June 28,

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Asphalt Overlay Specifications

  • Asphalt Overlay Recommendations and Specifications | All

    28/06/2019· Asphalt Overlay Recommendations and Specifications By: Daren AllPaving June 28, 2019 Asphalt Overlay An asphalt overlay is basically paving a second layer of asphalt over an existing asphalt layer An overlay can be done when the existing asphalt pavement is still in good shape, even if there are areas where the conditions are not so good ContingentSpecifications for Use in Asphalt Overlays Property Test Method 8550 Metric Imperial Tensile Strength (Ultimate) ASTM D6637 (MD x XD) ENISO 10319 50 x 50 kN/m 285 x 285 lbs/in Tensile Elongation (Ultimate) ASTM D6637 ENISO 10319 < 3% < 3% Tensile Resistance @ 2% Strain (MD x XD) ASTM D6637 ENISO 10319 40 x 40 kN/m 228 x 228 lbs/in Young’s Modulus ESpecifications for Use in Asphalt OverlaysUniversity of Houston Master Construction Specifications Insert Project Name AE Project Number: Asphalt Overlay 32 01 16 – 1 Revision Date: 1/30/2017 SECTION 32 01 16 ASPHALT OVERLAY PART 1 GENERAL 11 SCOPE OF WORK A This Section specifies the requirements for scarifying, grinding, sweeping and repair of existing asphalt concreteSECTION 32 01 16 ASPHALT OVERLAY 11 SCOPE OF

  • Manual for Thin Asphalt Overlays

    III Types of Thin Asphalt Overlay Treatments 10 Common Types 10 Other Available Technologies 13 IV Design Process for Thin Asphalt Overlays Including Materials and Mix Design 15 Plans 15 Specifications and Mix Design 17 Existing surface preparation 27 Cost Estimates 29 Other Items to Consider 30 V Construction of Thin Asphalt Overlays 31 MixSpecification features • New section 412 in Pub 408 – SUPERPAVE MIXTURE DESIGN, CONSTRUCTION OF PLANTMIXED HMA/WMA 63MM THIN ASPHALT OVERLAY COURSES • Pub 242 changes – Usage guidance in chapter 5 – Changes to add this new material to chapters 9, 10, 11, & 1263mm Thin Asphalt Overlay (Thin Hot Mix Asphalt OverlayA conventional overlay is at least 15 inches thick, while a thin overlay is less than 15 inches thick In this section of the article, we’ll outline tips for—and best practices of—paving overlays and thin lifts “A thin lift improves the road surface from environmental wear, improves the skid resistance and has a minor levelingBest Practices for Asphalt Overlays AsphaltPro Magazine

  • Thin Hot Mix Asphalt Overlay Checklist

    03/09/2019· Review project plans, specifications, and estimated quantities Based on the existing pavement condition, determine whether the treatment is costeffective Thin Hot Mix Asphalt Overlay Checklist 3 Materials Checks Verify that materials including asphalt binder, aggregate(s), and tack coat are from approved sources Asphalt binder is performanceIt is not good practice to overlay existing flags/slabs Overlays are considered in more detail on the Tarmacadam Basics page Construction Method Mark out the site It is assumed that the surfacing is to be flush ie level, with the existing ground It is a good idea to excavate wider than the planned width, allowing an extra 300450mm at the edges makes handling much easier,Tarmacadam, Bitmac and Asphalt Construction LayersThe asphalt required by these Specifications shall conform to the requirements of The Asphalt Institute for the type and grade shown below: Asphalt for Seal Coating CRS2 or CRS2P Article 23 Cover Aggregate A General Cover aggregate shall consist of crushed gravel and shall be sound, durable, free of adherent coatings of clay, dirt or any other objectionable matter, andSTANDARD CONSTRUCTION SPECIFICATIONS FOR

  • Existing Surface Preparation for Overlays – Pavement

    Overlays (either structural or nonstructural) make up a large portion of the roadway paving done today The degree of surface preparation for an overlay is dependent on the condition and type of the existing pavement Generally, the existing pavement should be structurally sound, level, clean and capable of bonding to the overlay To meet these prerequisites, the existing pavement isAsphaltic Concrete Overlay Method Statement, NCTC 2 NATIONAL CONTRACTING & TRANSPORT CO OBJECTIVES The purpose of this method statement is to describe the activities and methods, which will be used to carry out the Asphalt Wearing Course Overlay Pavement at Road No C03 and Road No C04 Community 671Asphalt Overlay Method StatementFinal | PDF | RoadSpecification features • New section 412 in Pub 408 – SUPERPAVE MIXTURE DESIGN, CONSTRUCTION OF PLANTMIXED HMA/WMA 63MM THIN ASPHALT OVERLAY COURSES • Pub 242 changes – Usage guidance in chapter 5 – Changes to add this new material to chapters 9, 10, 11, & 1263mm Thin Asphalt Overlay (Thin Hot Mix Asphalt Overlay

  • 2020 Subdivision Asphalt Overlay Program Specs PDF

    PROJECT SPECIFICATIONS FOR: 2020 Subdivision Asphalt Overlay Program PW20SUBAOP DEPARTMENT OF PUBLIC WORKS Jason Jonas, PE Director PO BOX 100 HILLSBORO, MO 63050 Telephone: 6367975340 Fax: 6367975565 Web Address: www jeffcomo Page 1 of 74 TABLE OF CONTENTS Description Page Spec Book Cover Table of Contents Bid03/09/2019· Review project plans, specifications, and estimated quantities Based on the existing pavement condition, determine whether the treatment is costeffective Thin Hot Mix Asphalt Overlay Checklist 3 Materials Checks Verify that materials including asphalt binder, aggregate(s), and tack coat are from approved sources Asphalt binder is performanceThin Hot Mix Asphalt Overlay ChecklistThere is a wide variety of asphalt specifications to meet the wide range of their use: airfields, motorways, general purpose roads, estate roads, parking areas, footpaths and other pavingThis information sheet, used in conjunction with the relevant British Standards, is aimed at helping specifiers to choose appropriate specifications for car parking areas and private drives If aGeneral Asphalt Recommendations Asphalt, Concrete and

  • Specifications for 2014 Asphalt Overlay Program

    2014 Asphalt Overlay Program PW14020 Jefferson County, Missouri Page 3 of 29 (5) BID GUARANTY: The bidder shall submit a Bid Guaranty <meeting the requirements of Section 102 of the Missouri Standard Specifications for Highway Construction (if applicable)> The project bid bond form is included in the bid book The bidder shall mark the box below to identify the typeCity of Medicine Hat, Parks and Recreation, Tennis Court Asphalt Overlay Specifications, 2012 30 EXECUTION 31 OVERLAY1 Pressure wash surface Mill out cracks and patch with asphalt 2 Apply binder/tack coat SS1 or equivalent 3 Place and compact minimum of 50 mm of Type M or CM Mix Hot Asphalt (3/8 inch minus aggregate) with levelling course Finish tolerance of10 GENERAL 11 SCOPE OF WORKThin Asphalt Overlays for Pavement Preservation NATIONAL ASPHALT PAVEMENT ASSOCIATION Information Series 135 NAPA Building 5100 Forbes Blvd Lanham, MD 207064407 Tel: 3017314748 Fax: 3017314621 Toll free 18884686499 wwwhotmix By David E Newcomb NatioNal asphalt pavemeNt associatioN • is 135 3 Abstract Owner agencies areThin Asphalt Overlays for Pavement Preservation

  • Asphalt Design Guide APAI

    They are not intended to supersede official guidelines or specifications View the entire 125 Page Iowa Design Guide in PDF format Or go directly to individual chapters below! Click icon to view Chapter 1 The Asphalt Advantage Click icon to view Chapter 2 Asphalt and Asphalt Paving 21 Materials ; 21 Asphalt Defined ; 21 Aggregates ; 24 Asphalt Cement ; 25631 Asphalt overlay to Hydraulic Bound Material 29 7 Surfacing Design 30 71 Materials Selection 30 72 Skid resistance 31 73 High Friction Surfacing (HFS) 31 74 Colour 31 8 Block Pavement Design 33 81 Slip/Skid Resistance 33 82 Abrasion Resistance 33 83 Colour 33 84 Chamfers 34 9 Alternative Designs for Maintenance 35 10 Construction Issues 36 11Road Pavement Design Guide Kent County CouncilAsphaltic Concrete Overlay Method Statement, NCTC 2 NATIONAL CONTRACTING & TRANSPORT CO OBJECTIVES The purpose of this method statement is to describe the activities and methods, which will be used to carry out the Asphalt Wearing Course Overlay Pavement at Road No C03 and Road No C04 Community 671Asphalt Overlay Method StatementFinal | PDF | Road

  • SPECIFICATIONS FOR ASPHALTICCONCRETE PAVING OVERLAY

    ASPHALTICCONCRETE PAVING OVERLAY Plans and specifications are on file for examination at City Hall, 1104 Broadway, Lamar, Missouri or cityoflamar Bids must be submitted on proposal blanks attached to the specifications or copies of same Award of the contract will be made on the basis of lowest responsive, responsible bid The owner reserves201305 Asphalt Overlay Improvement Specifications PART 1 G E N E R A L MEASUREMENT AND PAYMENT A Stipulated Price (Lump Sum) Contract is Stipulated Price Contract; payment for work in this Section is included in total Stipulated Price SUBMITTALS A Submit manufacturer's description and characteristics of spreading and finishing machine for201305 Asphalt Overlay Improvement Specifications28/02/2017· Asphalt overlay is a paving method of applying a new layer of asphalt to a deteriorating surface Rather than tearing up an old asphalt surface entirely, an asphalt overlay project will use the existing layers as a base for the new asphalt pavement Some asphalt surfaces with severe damage like rutting, potholes, large cracks, and expansions will need toAsphalt Overlay | Benefits & Uses | Lone Star Paving

  • Asphalt Design Guide APAI

    They are not intended to supersede official guidelines or specifications View the entire 125 Page Iowa Design Guide in PDF format Or go directly to individual chapters below! Click icon to view Chapter 1 The Asphalt Advantage Click icon to view Chapter 2 Asphalt and Asphalt Paving 21 Materials ; 21 Asphalt Defined ; 21 Aggregates ; 24 Asphalt Cement ; 2519/09/2014· parking lot asphalt overlay specifications DISCOVER MORE Asphalt Design Guide APAI Asphalt Design Guide This design guide is intended to give general structural design and mix type selection guidance for some typical Iowa pavements It is organized by general purpose, with each use type being addressed on a different page These guidelinesparking lot asphalt overlay specificationsImprovement of the Specification of the Asphalt Concrete Overlay by Using Polypropylene Hayder Salman Khudhair Department of Civil Engineering, University of Karbala, Iraq [email protected] Abstract The research aims to prepare highperformance asphalt concrete with good specifications for using in asphalt concrete overlay can resistImprovement of the Specification of the Asphalt Concrete

  • Asphalt Pavement Construction Asphalt Institute

    Also keep in mind that the surface on which you are paving may influence your decision Paving on a firm, stable, welldraining crushed aggregate base might be given more leeway than a thin asphalt overlay Raining or not, new pavement must be placed on a firm, unyielding base Critical ideas to keep in mind when dealing with rain:GE of asphalt overlay – 225 per inch Mill and overlay –Assume a reduction of GE of 15 – 20 per inch of milling –Increase 225 per inch of overlay CIR/FDR –GE of 15 – 20 depending upon quality of materials stabilizedRehabilitation Selection for Asphalt Overlay, Mill andThis guide specification has been prepared by Propex Operating Company, LLC (Propex) to assist design professionals in the preparation of a specification section covering nonwoven geosynthetic as an interlayer (paving fabric) above fatigued asphalt pavement and beneath an asphalt pavement overlay to provide a permanent moisture barrier and to retard reflectiveSECTION 02976 Propex Global

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