Retrospective Evaluation of Cured-in-Place Pipe - (NEPIS)(EPA ...

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Table 5-2. Soil Specific Gravity and Absorption Results (Columbus 8-in. Site) .................................. 67 Table 5-3. Soil Moisture Content Results (Columbus 8-in. Site) .......................................................... 68 Table 5-4. Soil pH at Designated Locations and Sewage pH (Columbus 8-in. Site) ............................ 69 Table 5-5. Results of Wastewater Analysis (Columbus 8-in. Site) ....................................................... 69 Table 5-6. Annular Gap Measurements (Columbus 8-in. Liner) ........................................................... 70 Table 5-7. Geometric Data for Flexural Test Specimens for Columbus 8-in. Liner ............................. 74 Table 5-8. Flexural Test Results for Columbus 8-in. Liner ................................................................... 74 Table 5-9. Summary of Results from Tensile Testing for Columbus 8-in. Liner .................................. 76 Table 5-10. Test Data from 2005 CIPP (as-installed) Sample (Columbus 8-in. Liner) .......................... 78 Table 5-11. Summary of 2010 Retrospective Data (Columbus 8-in. Liner) ........................................... 78 Table 5-12. Results of Wastewater Analysis for Columbus 36-in. Liner ................................................ 86 Table 5-13. Geometric Data for Flexural Test Specimens for Columbus 36-in. Liner ........................... 89 Table 5-14. Flexural Test Results for Columbus 36-in. Liner ................................................................. 89 Table 5-15. Tensile Test Results for Columbus 36-in. Liner .................................................................. 90 Table 6-1. Summary of Thickness Measurements for All Samples ...................................................... 95 Table 6-2. Compilation of Porosity Test Results .................................................................................. 96 Table 6-3. Comparison of Density Data ................................................................................................ 97 Table 6-4. Comparison of Strength, Modulus and Elongation Values for All Liner Samples .............. 98 Table 6-5. Summary of Hardness Values ............................................................................................ 100 Table 7-1. Field Work Costs for Sample Retrieval in Denver ............................................................ 104 Table 7-2. City of Columbus Costs ..................................................................................................... 104 Table 7-3. Overall Structure for a National Retrospective Evaluation Database ................................ 106 Table 8-1. Utilities or Organizations Participating in this Review ...................................................... 108 Table 8-2. CIPP and Other Rehabilitation Methods ............................................................................ 109 Table 8-3. Current Usage of Rehabilitation Methods .......................................................................... 109 Table 8-4. Usage of Other CIPP Materials .......................................................................................... 110 Table 8-5. Rehabilitation Specifications ............................................................................................. 111 Table 8-6. Type Testing Required in Specifications ........................................................................... 111 Table 8-7. Preparation and Supervision of CIPP Works ..................................................................... 112 Table 8-8. Post-Works Inspection and In-Situ Testing ....................................................................... 112 Table 8-9. Process Verification Testing Undertaken ........................................................................... 113 Table 8-10. Warranty Periods on Rehabilitation Works ....................................................................... 114 Table 8-11. Test Results from First CIPP Installation ........................................................................... 114 Table 8-12. Findings from Retrospective Samples of CIPP in Singapore ............................................. 115 Table 8-13. JSWA Condition Assessment Method ............................................................................... 120 Table 8-14. JSWA Ranking System ...................................................................................................... 120 xv
ABBREVIATIONS AND ACRONYMS AMP Asset Management Period ASTEE Association Scientifique et Technique pour l’Eau et l’Environnement ASTM American Society for Testing and Materials ATH alumina trihydroxide a.u. arbitrary units ATV Abwassertechnische Vereinigung (German Wastewater Technical Association) BW Brisbane Water CAC Communauté d'Agglomeration de Chartres CAHB Communauté d'Agglomeration Les Hauts-de-Bièvre CEN Comité Européen de Normalisation (European Committee for Standardization) CERIU Centre d’Expertise et de Recherche en Infrastructures Urbaines CCTV closed-circuit television CIPP cured-in-place pipe DAQ data acquisition system DEFRA Department of the Environment, Food and Rural Affairs DRO diesel range organics DSC differential scanning calorimetry DVGW Deutscher Verein des Gas- und Wasserfaches e.V. - Technisch-wissenschaftlicher Verein (German Technical and Scientific Association for Gas and Water) DWI Drinking Water Inspectorate EA U.K. Environment Agency EPA U.S. Environmental Protection Agency FTIR Fourier transform infrared GIS geographic information system GRO Gasoline Range Organics GRP Glass Reinforced Plastic GS Göttingen Stadtentwässerung I/I infiltration and inflow IKT Institut für Unterirdische Infrastruktur gGmbH (Institute for Underground Infrastructure) ISTT International Society for Trenchless Technology JASCOMA Japan Sewer Collection Maintenance Association JIWET Japan Institute of Wastewater Technology JPRQAA Japan Pipe Rehabilitation Quality Assurance Association JSWA Japan Sewerage Works Agency LVDT linear variable displacement transducer MLIT Ministry of Land, Infrastructure and Construction (Japan) NASTT North American Society for Trenchless Technology xvi
Page 1 and 2: EPA/600/R-12/004 | January 2012 | w
Page 3 and 4: DISCLAIMER The work reported in thi
Page 5 and 6: ACKNOWLEDGMENTS This report has bee
Page 7 and 8: samples had a flexural modulus valu
Page 9 and 10: CONTENTS DISCLAIMER ...............
Page 11 and 12: 4.3.10.2 Upstream Sample ..........
Page 13 and 14: 9.2.2 Recommendations for Developme
Page 15: Figure 5-27. Raman Spectra for the
Page 19 and 20: 1.0: INTRODUCTION This report forms
Page 21 and 22: 1.2 Organization of the Report Foll
Page 23 and 24: Some sections of a sewer system may
Page 25 and 26: • The depth of the pipe below the
Page 27 and 28: Figure 2-3 highlights the main diff
Page 29 and 30: The most commonly used resins are i
Page 31 and 32: the glass fiber. The tube, which is
Page 33 and 34: 3.0: DEVELOPMENT OF CIPP EVALUATION
Page 35 and 36: • The municipality would be willi
Page 37 and 38: • Measurements and/or physical sa
Page 39 and 40: Table 3-3. Laboratory Evaluation an
Page 41 and 42: 4.1 Introduction 4.0: CITY OF DENVE
Page 43 and 44: Figure 4-1. Images of the Recovered
Page 45 and 46: Sample ID Figure 4-4. Soil Grain Si
Page 47 and 48: Location Table 4-5. Denver 8-in. Li
Page 49 and 50: Profile Plot Red - Steel tube Green
Page 51 and 52: Table 4-7. Results from Flexural Te
Page 53 and 54: 35 Table 4-9. Comparison of Test Da
Page 55 and 56: 4.2.12 Buckling Test. A steel mecha
Page 57 and 58: Figure 4-18. Pressure Gage and Pres
Page 59 and 60: 4.2.13 Shore D Hardness. Durometer
Page 61 and 62: Figure 4-24. Barcol Hardness Readin
Page 63 and 64: increases and the heat of cure decr
Page 65 and 66: In summary, CCTV inspection of thre
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Figure 4-28. Thickness for Denver 4
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4.3.6.2 Downstream Sample. Seven sp
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Figure 4-34. Flexural Stress-Strain
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Table 4-18. Flexural Test Results f
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4.3.8.2 Upstream Sample. Specimens
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4.3.10 Barcol Hardness 4.3.10.1 Dow
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4.3.11.2 Downstream Sample. The Ram
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5.1 Introduction 5.0: CITY OF COLUM
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April 16, 2010 The specimen was rec
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The resulting gradation curves are
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Table 5-4. Soil pH at Designated Lo
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Figure 5-8. Average Thickness at Di
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5.2.12 Flexural Testing. Specimens
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Figure 5-14. Flexural Stress-Strain
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Figure 5-16. Tensile Stress-Strain
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5.2.15 Buckling Test. A mechanical
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Figure 5-24. Localized Leak on the
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Figure 5-26. Barcol Hardness Readin
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5.3.3 Visual Inspection of Liner. I
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Figure 5-32. Ultrasonic Testing for
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Table 5-13. Geometric Data for Flex
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Figure 5-38. Shore D Hardness of Co
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6.1 Introduction 6.0: REVIEW AND CO
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Overall, the liners appear to be ho
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age difference between the liners i
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Looking for correlations to the low
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A significantly lower range of Shor
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7.0: RECOMMENDED TEST PROTOCOL FOR
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combining this broadly available in
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Table 7-3. Overall Structure for a
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Table 8-2. CIPP and Other Rehabilit
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Table 8-5. Rehabilitation Specifica
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113 Table 8-9. Process Verification
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Göttingen Stadtentwässerung: Göt
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experience and quality, and do not
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km of pipe and 50-year-old pipes ar
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methods are detailed in the Guide t
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The business of pipeline rehabilita
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• Destructive testing (but will n
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In Denver, in CCTV inspections of n
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9.2 Recommendations for Future Work
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Falter, B. 1996. “Structural Anal
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Lehmann, M.A, J.P. Schroeder and C.
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APPENDIX A LIST OF TEST STANDARDS R
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The following table lists the non-A
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B.1 Introduction This study was con
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Mean thickness values for each cont
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APPENDIX C INTERNATIONAL STUDY INTE
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The original Insituform liner insta
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However, the figures published by O
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exfiltration and infiltration. Any
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STW uses CIPP for virtually all of
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method. Top hat repairs to junction
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All design and construction supervi
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Process verification test samples a
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consultant born out of the corporat
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BW continues to use CIPP, mainly in
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East, but has not yet had marked su
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D-1
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