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

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A Retrospective Evaluation of Cured-in-Place Pipe (CIPP) Used in Municipal Gravity Sewers by Erez Allouche, Ph.D., P.E., Shaurav Alam, Jadranka Simicevic, and Ray Sterling, P.h.D., P.E., Trenchless Technology Center at Louisiana Tech University Wendy Condit, P.E., Ben Headington, and John Matthews, Ph.D. Battelle Memorial Institute Ed Kampbell, Tom Sangster, and Dec Downey, Ph.D. Jason Consultants, Inc. Contract No. EP-C-05-057 Task Order No. 58 Ariamalar Selvakumar, Ph.D., P.E. Task Order Manager U.S. Environmental Protection Agency Urban Watershed Branch National Risk Management Research Laboratory Water Supply and Water Resources Division 2890 Woodbridge Avenue (MS-104) Edison, NJ 08837 National Risk Management Research Laboratory Office of Research and Development U.S. Environmental Protection Agency Cincinnati, Ohio 45268 September 2011
DISCLAIMER The work reported in this document was funded by the U.S. Environmental Protection Agency (EPA) under Task Order (TO) 58 of Contract No. EP-C-05-057 to Battelle. Through its Office of Research and Development, EPA funded and managed, or partially funded and collaborated in, the research described herein. This document has been subjected to the Agency’s peer and administrative reviews and has been approved for publication. Any opinions expressed in this report are those of the authors and do not necessarily reflect the views of the Agency; therefore, no official endorsement should be inferred. Any mention of trade names or commercial products does not constitute endorsement or recommendation for use. ii
Page 1: EPA/600/R-12/004 | January 2012 | w
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 and 16: Figure 5-27. Raman Spectra for the
Page 17 and 18: ABBREVIATIONS AND ACRONYMS AMP Asse
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
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35 Table 4-9. Comparison of Test Da
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4.2.12 Buckling Test. A steel mecha
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Figure 4-18. Pressure Gage and Pres
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4.2.13 Shore D Hardness. Durometer
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Figure 4-24. Barcol Hardness Readin
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increases and the heat of cure decr
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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
Page 99 and 100:
Figure 5-24. Localized Leak on the
Page 101 and 102:
Figure 5-26. Barcol Hardness Readin
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5.3.3 Visual Inspection of Liner. I
Page 105 and 106:
Figure 5-32. Ultrasonic Testing for
Page 107 and 108:
Table 5-13. Geometric Data for Flex
Page 109 and 110:
Figure 5-38. Shore D Hardness of Co
Page 111 and 112:
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
Page 127 and 128:
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
Page 149 and 150:
Falter, B. 1996. “Structural Anal
Page 151 and 152:
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
Page 171 and 172:
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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