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Page 121
Suggested Citation:"Appendix A - Web-Based Survey Form." National Academies of Sciences, Engineering, and Medicine. 2021. Practice and Performance of Cold In-Place Recycling and Cold Central Plant Recycling. Washington, DC: The National Academies Press. doi: 10.17226/26319.
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Page 121
Page 122
Suggested Citation:"Appendix A - Web-Based Survey Form." National Academies of Sciences, Engineering, and Medicine. 2021. Practice and Performance of Cold In-Place Recycling and Cold Central Plant Recycling. Washington, DC: The National Academies Press. doi: 10.17226/26319.
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Page 122
Page 123
Suggested Citation:"Appendix A - Web-Based Survey Form." National Academies of Sciences, Engineering, and Medicine. 2021. Practice and Performance of Cold In-Place Recycling and Cold Central Plant Recycling. Washington, DC: The National Academies Press. doi: 10.17226/26319.
×
Page 123
Page 124
Suggested Citation:"Appendix A - Web-Based Survey Form." National Academies of Sciences, Engineering, and Medicine. 2021. Practice and Performance of Cold In-Place Recycling and Cold Central Plant Recycling. Washington, DC: The National Academies Press. doi: 10.17226/26319.
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Page 124

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121   A P P E N D I X A Web-Based Survey Form Survey for NCHRP Project 20-05/Topic 51-08, “Practice and Performance of Cold In-Place Recycling and Cold Central Plant Recycling” This survey is designed to collect key information needed to develop this synthesis. There are a total of 7 questions about various aspects of in-place recycling. The first three questions document contact information, experience with the new AASHTO Provisional Standards, and help locating other regional, local, and city agencies with cold recycling experience. The remaining four questions focus on the size and extent of cold central plant recycling (CCPR) and cold in-place recycling (CIR) programs and any remaining barriers to increased use. Please note, it is as important to collect “don’t use” information as to collect information about existing programs. The majority of the questions are "check the box" type. There are also opportunities for including further information in the “Other” or “Additional Comments” boxes at the bottom of each question. Thank you for taking the time to contribute your valuable information to our database. 1) Contact Information Name ___________________________________ Agency ___________________________________ Position ___________________________________ Address ___________________________________ City ___________________________________ State ___________________________________ Zip Code ___________________________________ Phone ___________________________________ E-mail ___________________________________

122 Practice and Performance of Cold In-Place Recycling and Cold Central Plant Recycling 2) Indicate if you use either of these recycling methods in your area and, if used, how long have you been using each type: (Check all that apply) Type of Recycling Less than 5 years 5 to 10 years More than 10 years We don't use this method Cold central plant recycling Emulsions Foamed asphalt CIR Emulsions Foamed asphalt Additional Comments: 3) Do you have any experience with using the following cold recycling standards? (Definition: ARRA = Asphalt Recycling and Reclaiming Association) Standard Yes, we have used the standard No, we have NOT used the standard Planning on using the standard in the near future AASHTO MP 31 Standard Specification for Materials for Cold Recycled Mixtures with Emulsified Asphalt AASHTO PP 86 Standard Practice for Emulsified Asphalt Content of Cold Recycled Mixture Designs AASHTO PP 94 Standard Specification for Determination of Optimum Asphalt Content of Cold Recycled Mixture with Foamed Asphalt AASHTO MP 38 Standard Specification for Mix Design of Cold Recycled Mixture with Foamed Asphalt ARRA CR101 Construction Guide for CIR Using Bituminous Recycling Agents ARRA CR102 Construction Guide for CCPR Using Bituminous Recycling Agents ARRA CR201 Mix Design Guidelines for Cold Recycling Using Emulsified Asphalt Agent ARRA CR202 Mix Design Guidelines for Cold Recycling Using Foamed (Expanded) Agent

Web-Based Survey Form 123   ARRA CR301 Quality Control Sampling and Testing Guidelines for Cold Recycling Using Bituminous Recycling Agents Other (indicate any other specifications or guidelines used) 4) Indicate the approximate number of lane-miles that are recycled per year: (Check all that apply) Type of Recycling Less than 50 lane- miles 50 to 100 lane- miles Greater than 100 lane-miles Cold central plant recycling Emulsions Foamed asphalt CIR Emulsions Foamed asphalt Additional Comments: 5) Indicate typical annual average daily traffic (AADT) levels on your recycled pavement projects: (Check all that apply) Type of Recycling Traffic LevelUp to 10,000 AADT 10,000 to 25,000 AADT More than 25,000 AADT Cold central plant recycling Emulsions Foamed asphalt CIR Emulsions Foamed asphalt Additional Comments:

124 Practice and Performance of Cold In-Place Recycling and Cold Central Plant Recycling 6) Please indicate all barriers that limit the implementation or increased use of cold recycling methods. (Check all that apply) Barriers Cold Central Plant Recycling CIR Emulsion Foamed Asphalt Emulsion Foamed Asphalt No previous agency experience No experienced cold recycling contractors Previous unsuccessful experiences Project selection criteria not well defined Lack of availability of materials QC/QA testing not well defined QC/QA testing takes too long in the field Lack of construction specifications Excessive time needed before opening to traffic Other Additional Comments: 7) If you know of any other state, regional, or local agency that has cold recycling experience, please provide contact information. Type of Recycling Name, Contact Information Cold central plant recycling CIR Additional Comments:

Next: Appendix B - Individual Survey Responses »
Practice and Performance of Cold In-Place Recycling and Cold Central Plant Recycling Get This Book
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Cold in-place recycling (CIR) is a process in which 3 to 4 inches of the existing asphalt pavement layers are pulverized, mixed with a recycling agent, and repaved in place. It provides agencies with cost-effective and environmentally friendly pavement maintenance and rehabilitation options for aged asphalt pavements.

The TRB National Cooperative Highway Research Program's NCHRP Synthesis 569: Practice and Performance of Cold In-Place Recycling and Cold Central Plant Recycling compiles and documents information regarding the current state of practice on how CIR and cold central plant recycling (CCPR) technologies are selected, designed, constructed, and evaluated by state departments of transportation (DOTs).

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