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Common Airport Pavement Maintenance Practices (2011)

Chapter: Appendix A - Survey Questionnaire and Survey Responses

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Page 44
Suggested Citation:"Appendix A - Survey Questionnaire and Survey Responses." National Academies of Sciences, Engineering, and Medicine. 2011. Common Airport Pavement Maintenance Practices. Washington, DC: The National Academies Press. doi: 10.17226/14500.
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Suggested Citation:"Appendix A - Survey Questionnaire and Survey Responses." National Academies of Sciences, Engineering, and Medicine. 2011. Common Airport Pavement Maintenance Practices. Washington, DC: The National Academies Press. doi: 10.17226/14500.
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Page 46
Suggested Citation:"Appendix A - Survey Questionnaire and Survey Responses." National Academies of Sciences, Engineering, and Medicine. 2011. Common Airport Pavement Maintenance Practices. Washington, DC: The National Academies Press. doi: 10.17226/14500.
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Page 47
Suggested Citation:"Appendix A - Survey Questionnaire and Survey Responses." National Academies of Sciences, Engineering, and Medicine. 2011. Common Airport Pavement Maintenance Practices. Washington, DC: The National Academies Press. doi: 10.17226/14500.
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Page 47
Page 48
Suggested Citation:"Appendix A - Survey Questionnaire and Survey Responses." National Academies of Sciences, Engineering, and Medicine. 2011. Common Airport Pavement Maintenance Practices. Washington, DC: The National Academies Press. doi: 10.17226/14500.
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Page 48
Page 49
Suggested Citation:"Appendix A - Survey Questionnaire and Survey Responses." National Academies of Sciences, Engineering, and Medicine. 2011. Common Airport Pavement Maintenance Practices. Washington, DC: The National Academies Press. doi: 10.17226/14500.
×
Page 49
Page 50
Suggested Citation:"Appendix A - Survey Questionnaire and Survey Responses." National Academies of Sciences, Engineering, and Medicine. 2011. Common Airport Pavement Maintenance Practices. Washington, DC: The National Academies Press. doi: 10.17226/14500.
×
Page 50
Page 51
Suggested Citation:"Appendix A - Survey Questionnaire and Survey Responses." National Academies of Sciences, Engineering, and Medicine. 2011. Common Airport Pavement Maintenance Practices. Washington, DC: The National Academies Press. doi: 10.17226/14500.
×
Page 51
Page 52
Suggested Citation:"Appendix A - Survey Questionnaire and Survey Responses." National Academies of Sciences, Engineering, and Medicine. 2011. Common Airport Pavement Maintenance Practices. Washington, DC: The National Academies Press. doi: 10.17226/14500.
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Page 52

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45 INTRODUCTION The main source of information on current airport pavement maintenance practices was a survey of airport pavement maintenance profession- als. The survey consisted of a four-page questionnaire which is reproduced herein in Tables 1A to 4A. The first two pages of the questionnaire contain, in addition to the introductory material, 11 questions concerning airport pavement management practices. Tables 3A and 4A (pages 3 and 4 of the survey questionnaire) contain questions regarding the use and performance of common airport pavement maintenance and rehabil- itation (M&R) treatments. Table 3A concerns M&R treatments applicable to asphalt concrete (AC) pavements, and Table 4A is for M&R treat- ments applicable to Portland cement concrete (PCC) pavements. The objectives of the survey, the survey procedures, survey response rate, and the key results of the survey are described in the main part of the synthesis. Additional survey results, that are not included in the main part of the report, are summarized in this appendix. In order to present the survey results efficiently, Tables 3A and 4A also contain the entries that represent the number of survey responses obtained. For example, referring to the first numerical entry in Table 3A, 37 airports reported routinely sealing cracks in AC pavements using hot-poured sealant. The corresponding percentages are presented in Tables 3 and 4 of the main report. For example, according to Table 3, 95 percent of airports (that have AC pavements on at least some of the facilities) routinely seal cracks in AC pavements using hot poured sealant. APPENDIX A Survey Questionnaire and Survey Responses

46 Survey Questionnaire Synthesis of Common Airport Pavement Maintenance Practices This survey questionnaire is distributed to practitioners engaged in the maintenance and preservation of airfield pavements. The results of the survey will be used to develop Synthesis of Common Airport Pavement Maintenance Practices. The survey is sponsored by Airport Cooperative Research Program. Details about the Program are available at http://www.trb.org/news/blurb_browse.asp?id=138. Thank you for your participation in this survey. Please send the completed survey to Dr. Jim Hall by email: jhall@ara.com or by fax: (601) 629-6169 before June 30, 2009. If you prefer to respond by a telephone interview instead, please contact Dr. Jim Hall at (601) 629-6165 Respondent Information Name: _________________________ Position: ______________________ Agency: _________________________ Address: _____________________________________________ Phone: ______________________ Fax: ___________________ Email:___________________________ General Facility Information Facility Name or Code: ______________________________ What is the largest aircraft using your facility? ________________________________ What is the predominant aircraft? ________________________________ What pavement surface types do you have at your facility? (Please check all appropriate boxes) Facility AsphaltConcrete (AC) Portland Cement Concrete (PCC) Composite (AC over PCC) Surface Treated Gravel Runways Taxiways Aprons Pavement Management 1. Does your agency operate a pavement management system (or a pavement maintenance system)? Yes Under development No If yes, for how long has the system been in use? Less than 2 years 3 to 5 years 5 to 10 years More than 10 years 2. What is your experience with a pavement management system (or a pavement maintenance system)? Please check all applicable boxes Excellent, couldn’t do without it The system is accepted and used Not applicable Benefits outweigh costs Functional, but needs improvement Not useful 3. Which pavement management (or pavement maintenance) software do you use or plan to adopt or develop? 4. Who is involved in operating your pavement (or pavement maintenance) management system? In-house staff In-house staff with outside support Mainly outside staff/consultant TABLE 1A SURVEY QUESTIONNAIRE, PAGE 1 OF 4

47 5. How do yo u use th e resu lt s of pa veme nt ma na ge me nt (or pave me nt ma intenance ) system ? Please check all applicable boxes To k eep tr ack of the pave me nt condition To predict future pa ve ment de te ri or at ion To de term ine the perform ance of th e past pa ve me nt main tenance a nd rehab il it at io n treatm ents To pr ep are Capital Im prov em ent Prog ram s or annua l b udgets To ob ta in funding from FAA or oth er ag encies 6. How do y ou evaluate the cond it ion of yo ur pavem ents? If ye s, frequency of ev alua tion, year s: Pav em ent evaluation procedure Ru nw ay s Ot her facilities Pav em ent Condition In dex (PC I) Y es Yes Ot her types of su rfa ce di st ress surveys, but no t PC I If yes, what type of distress survey? Yes Yes Pav em ent sm oothness (o r ro ug hness) sur ve ys If yes, which roughness measure do you use? Yes Yes Peri od ic pav em ent fr ic tion surveys Y es Yes Peri od ic Falling Weig ht Deflecto me ter (F WD) su rveys Y es Yes Ot her survey s? Please specify (e.g., digital im aging of th e pave me nt su rf ace ) 7. How do y ou select pa veme nt sections th at requ ir e pa ve me nt ma inten ance or rehabilitation treatm ents? Please check all applicable boxes Wi th th e help of a com puter prog ra m Engineer in g ju dg em ent Wors t pa ve me nt condition fi rs t Decision trees or gu id el in es When a pe rc ei ved hazar d ex is t Pave me nt ag e Operat io na l prio ri ties Other consideratio ns Preventive pavement maintenance is carried out to prevent premature pavement deterioration and is done at the right time (when the treatment is most cost-effective). Preventive maintenance treatments may include, for example, crack sealing or thin asphalt concrete overlays. 8. Do y ou system aticall y identif y pavem ents that wou ld ben efit mo st from prev en tiv e ma inten ance? Yes When budg et perm its No 9. Do y ou im plem ent preventive ma intenan ce tr ea tm ent at th e right ti me ? Yes So me ti me s No 10. Has y our ag ency recen tl y (during last 10 y ears or so) evaluated th e perfo rm ance of specific pav em ent ma inte nanc e or rehab ilita tion trea tm ents? We are particularly interested in new and innovative pavement preservation treatments and technologies. Yes No If ye s, please elaborate or tell us where we can get additional info rm ation.__ ___________________ 11. How do y ou obtain fu nd in g for pa ve me nt ma inten ance and rehab. ? Please check all applicable boxes. Th roug h FAA fund in g Th roug h state fund in g Have dedicated funding for preventive maintenance Based on the last-year budget Based on pavement needs such as PCI level Based on needs to preserve pavement TABLE 2A SURVEY QUESTIONNAIRE, PAGE 2 OF 4

48 Maintenance and Rehabilitation of Asphalt Concrete Pavements Which of the following maintenance treatments do you use, or have tried, during the past 10 years? What is your experience in using them? Maintenance of Asphalt Concrete Pavements Current Practice Performance Treatment R ou tin e H av e Tr ie d N ev er T ri ed V . G o o d G oo d Po or U nk no w n Comments, questions, experience Please comment on your experience with specific treatments Hot- poured 37 5 8 30 4 Crack sealing with sealant Cold-applied 4 3 1 4 1 Do you recommend routing of cracks before sealing? Yes No Sometimes Hot mix 23 7 11 15 Cold mix 19 8 3 12 9 Small area (pothole) patching using: Proprietarymix 4 5 2 4 2 Do you recommend the use of proprietary materials? Yes No Spray patching (Includes manual chip seal) 2 3 5 Machine patching with AC 12 6 7 10 1 Milling and machine patching 15 8 7 11 Surface treatment 11 8 1 13 2 Fine milling 3 2 1 4 Texturization Shot blasting 7 5 2 Surry seal 10 11 2 15 3 Micro-Surfacing 1 4 1 3 Hot mix overlay 20 10 12 12 1 Do you use hot mix overlays less than 1½” thick? Yes No Milling and overlay 20 8 14 10 Hot in-place recycling 2 1 1 1 Cold in-place recycling 1 1 Whitetopping (PCC overlay) 3 3 3 1 1 Rejuvenators, fog seals, etc. 13 10 5 13 4 Other techniques/materials that you are using? (Please add) TABLE 3A SURVEY QUESTIONNAIRE, PAGE 3 OF 4

49 Main tenan ce and Rehab il it at ion of Po rt land Cement Concrete Pa vements Which of the fo llo wi ng ma intenance tr eatm ents do yo u use, or hav e tried, du ring th e pas t 10 ye ar s? What is yo ur expe rience in using them ? Main tenance of Exposed P CC Pavemen ts Current Pr ac ti ce Pe rf or man ce Tr ea tment R ou t in e H av e Tr ie d N e v er T ri ed V . G o o d G oo d Po or U nk no w n Comments , questions, experience Please comment on your experience with specific treatments Bitumino us sealant 12 6 2 12 1 Silicon e se al an t 16 9 5 12 Jo in t/ Cr ac k sealing Ne oprene seal 3 9 4 4 3 Sub- sealing 1 2 1 2 (under slab grouting) Slab stitch in g 1 2 1 2 Load tra nsf er res to ra ti on Do we l re trofit 5 2 3 2 PCC 14 6 5 12 1 AC 12 8 3 11 3 Shallow patch repair usin g Propri et ary mi x 7 7 5 5 2 Do yo u rec om me nd the use of proprietar y materials? Yes No PCC 19 6 8 8 1 AC 8 16 4 7 2 Propri et ary mi x 3 7 3 5 2 Do yo u rec om me nd the use of proprietar y materials? Yes No Full and partia l dept h repa ir s or replacem en t usin g Precast panels 1 1 1 1 Diam ond gr inding 2 14 3 11 Controlled sh ot bl as ti ng 6 4 1 Mi cr o- surfac in g 2 1 1 Mach ine pa tc hing with AC 2 5 2 3 1 AC ov erlay 4 11 4 7 PCC ov erlay (whi te topping) 3 3 2 2 1 Other te chni ques /m ateria ls ? (Ple ase add) Tha nk y ou for com pl eting the survey. Please send the com pleted surv ey to Dr. Jim Hall by em ail: jha ll @a ra.com or by fax : (6 01) 629 -6 169 be fore Ju ne 30, 2009. A pp li ed Research Asso ciates In c. 112 Monum ent Pl ac e, Suite A, Vi cksbur g , Mississi ppi 3918 0- 5156 TABLE 4A SURVEY QUESTIONNAIRE, PAGE 3 OF 4

50 ADDITIONAL SURVEY RESULTS The key survey results are presented and discussed in the main part of the synthesis and are not reproduced herein. The following contains additional survey results. The survey questions are in an italic font; survey response data are in regular font. What pavement surface type do you have at your facility? Facility Asphalt Concrete (AC) Portland Cement Concrete (PCC) Composite (AC over PCC) Surface Treated Gravel Runways 37 23 13 3 1 Taxiways 37 24 8 1 0 Aprons 30 32 7 1 0 See Figure 11 in the main part of the synthesis. Figure 11 is based on 30 responses. 1. Does your agency operate a pavement management system (or a pavement maintenance system)? No. Percent Yes 29 60 Under development 11 23 No 8 17 If yes, for how long has the system been in use? See Figure 4, which is based on 28 responses. 2. What is your experience with a pavement management system (or a pavement maintenance system)? See Figure 5. Figure 5 is based on 33 responses of agencies that operate an airport pavement management system. None of the respondents checked “not useful.” 3. Which pavement management (or pavement maintenance) software do you use or plan to adopt or develop? See Figure 22, which is based on 33 responses. An additional 17 respondents checked “not applicable.” 4. Who is involved in operating your pavement (or pavement maintenance) management system? See Figure 23, which is based on 39 responses. 5. How do you use the results of pavement management (or pavement maintenance) system? See Figure 6, which is based on 38 responses. 6. How do you evaluate the condition of your pavements? See Table 2, which is based on 38 responses. 7. How do you select pavement sections that require pavement maintenance or rehabilitation treatments? See Figure 14, which is based on 47 responses. 8. Do you systematically identify pavements that would benefit most from preventive maintenance? See Figure 15, which is based on 48 responses 9. Do you implement preventive maintenance treatment at the right time? See Figure 17, which is based on 30 responses. 10. Has your agency recently (during last 10 years or so) evaluated the performance of specific pavement maintenance or rehabilitation treatments? Number Percent Yes 17 36 No 27 58 No response 3 6 See section “Survey Results” in chapter four for the list of innovative and additional treatments.

51 11. How do you obtain funding for pavement maintenance and rehabilitation? See Figures 19 and 20, each based on 48 responses. Regarding the dedicated funding for preventive maintenance, see Figure 15. Additional information regarding maintenance and rehabilitation treatments of asphalt concrete pavements. Do you recommend routing of cracks in AC pavements before sealing? Number Percent Yes 15 34 No 2 4 Sometimes 20 23 No response 23 39 Do you recommend the use of proprietary materials for small area patching of AC pavements? Number Percent Yes 14 32 No 9 20 Sometimes 10 23 No response 17 25 Additional information regarding maintenance and rehabilitation treatments of portland cement concrete pavements. Do you recommend the use of proprietary materials for shallow patch repairs? Number Percent Yes 3 5 No 10 12 No response 16 83 Do you recommend the use of proprietary materials for full depth repairs? Number Percent Yes 4 10 No 4 10 No response 33 80 RESPONDING AIRPORTS Table 5A lists all 50 airports and airport agencies that completed the survey questionnaire. Also listed in Table 5A are the airport location, the average number of daily aircraft operations, and pavement type of airfield pavements. Geographical location of the airports is illustrated in Figure 1 of the main report.

52 State Airport Name Location Average No. of Daily Operations Pavement Type Arkansas Ozark Regional Airport Mountain Home 136 AC Eight small airports, the largest is Gillespie Field County of San Diego 1 to 669 AC California Meadows Field Airport Bakersfield 344 Both Colorado Colorado Springs Municipal Airport Colorado Springs 420 Both Delaware Sussex County Airport Georgetown 57 Both Florida St. Augustine/St. Johns County Airport St. Augustine 347 AC LaGrange Callaway Airport LaGrange 47 AC Savannah/Hilton Head International Airport Savannah 267 Both Georgia Hartsfield–Jackson Atlanta Int. Airport Atlanta 2,939 PCC Chicago O’Hare International Airport Chicago 2,563 Both Illinois Chicago Midway International Airport Chicago 730 Both Dubuque Regional Airport Dubuque 155 Both Iowa Des Moines International Airport Des Moines 333 Both Hammond Northshore Regional Airport Hammond 210 Both Louisiana Houma–Terrebonne Airport Houma 243 Both Baltimore Washington International Airport Baltimore 760 BothMaryland Easton Airport Easton 137 AC Massachusetts Boston Logan International Airport Boston 1,094 Both Michigan Detroit Metro. Wayne County Air. Romulus 1,266 Both Gulfport–Biloxi International Airport Gulfport 153 Both Mississippi Hesler–Noble Field Laurel 63 Both Missouri Springfield–Branson Regional Airport Springfield 181 Both Minnesota Saint Paul Downtown Airport St. Paul 435 AC Minneapolis–St. Paul International Airport St. Paul 1,240 PCC Dawson Community Airport Glendive 16 AC Montana Great Falls International Airport Great Falls 115 Both Nebraska Omaha Epply Airfield Omaha 366 Both Essex County Airport Caldwell 245 AC New Jersey Morristown Municipal Airport Morristown 403 AC Albuquerque International Airport Albuquerque 522 AC New Mexico Dona Ana County Airport Santa Teresa 89 AC New York JFK International Airport Queens 1,291 Both Port Columbus International Airport Columbus 449 Both Mansfield Lahm Airport 77 Both Ohio Dayton International Airport Vandalia 300 Both Altus/Quartz Mountain Reg. Air. Altus 38 PCC TABLE 5A LIST OF AIRPORTS

53 State Airport Name Location Average No. of Daily Operations Pavement Type Arrowhead Airport Canadian 1 AC Oklahoma Boise City Municipal Airport Boise City 10 AC Portland International Airport Portland 630 Both Oregon 28 airports throughout Oregon Oregon N/A Both Pennsylvania Wilkes–Barre/ Scranton Int. Air. Avoca 178 Both Lone Star Executive Airport Conroe 219 Both Mineral Wells Airport Mineral Wells 62 AC Texa s George Bush Intercontinental Air. Houston 1,577 Both Utah Salt Lake City International Airport Salt Lake City 1,071 Both Washington Dulles International Airport Chantilly 1,048 PCC Virginia Winchester Regional Airport Winchester 100 Both Seattle Tacoma International Airport Seatac 946 PCC Washington Snohomish County Airport Everett 311 Both Washington DC Ronald Regan National Airport Washington, D.C. 754 PCC Wyoming Airports throughout Wyoming Wyoming N/A Both N/A = not available. TABLE 5A (continued)

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TRB’s Airport Cooperative Research Program (ACRP) Synthesis 22: Common Airport Pavement Maintenance Practices explores how airports implement a pavement maintenance management program, including inspecting and tracking pavement condition, scheduling maintenance, identifying necessary funds, and treating distresses in asphalt and concrete pavements.

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