Tack Coat Specifications, Materials, and Construction Practices (2018) / Chapter Skim
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Pages 111-117
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From page 111... ...
114 Tack Coat Specifications, Materials, and Construction Practices APPENDIX A Kansas Department of Transportation Best Management Practices: Checklist for Emulsion Bonding Liquid (EBL) for use through a Spray-Paver Emulsion Bonding Liquid (EBL)
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From page 112... ...
Kansas Department of Transportation: Bond Strength Special Provision and Best Management Checklists 115 For bonded dense graded projects, the nozzle size is usually smaller than those used in UBAS. Typically, the nozzle size and spray-paver type should be recorded and notice be given if the nozzles are changed during the project.
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From page 113... ...
116 Tack Coat Specifications, Materials, and Construction Practices APPENDIX B Kansas Department of Transportation Best Management Practices: Checklist for Tack PREPARATION: Consult with the emulsion supplier with respect to a particular asphalt-aggregate combination as there are few absolute rules that will work the same under all circumstances. Understand condition (previous use)
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From page 114... ...
Kansas Department of Transportation: Bond Strength Special Provision and Best Management Checklists 117 If the overlay is to be constructed under traffic, the tack coat is normally placed only a short distance in front of the paver; within the lane closure and far enough ahead for the tack to cure properly before the mix is laid on top of it. SPECIAL CONSIDERATIONS: Do not dilute rapid setting (RS)
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From page 115... ...
118 Tack Coat Application Inspection Inspector Checklist Document Review ▫ Planned Bid Quantity ▫ Planned Type of Tack Coat ▫ Planned Application Rate ▫ Project Plans ▫ Specifications/Special Provisions ▫ Traffic Control Plan ▫ Materials Safety Data Sheet ▫ Manufacturer's Instructions Equipment Inspection -- Distributor ▫ The spray bars are at the proper height. ▫ All nozzles are uniformly angled 15° to 30° from the spray bar.
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From page 116... ...
Louisiana Department of Transportation & Development Tack Coat Inspector Checklists 119 Project Review What type of surface will be tacked? ▫ Asphalt concrete ▫ Milled ▫ Existing ▫ New ▫ PCC ▫ Milled ▫ Existing ▫ Treated/stabilized surface ▫ Bituminous treated ▫ Cement treated ▫ Other _______________________________________________ Is the existing surface to be tacked non-uniform?
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From page 117... ...
120 Tack Coat Specifications, Materials, and Construction Practices Field Verification of Application Rate Visual Inspection ▫ Visual inspection of uniform and 100% coverage. Actual Field Measurement ▫ Measure and record the initial temperature of the tack material.
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