Retrospective Evaluation of Cured-in-Place Pipe - (NEPIS)(EPA ...
Retrospective Evaluation of Cured-in-Place Pipe - (NEPIS)(EPA ...
Retrospective Evaluation of Cured-in-Place Pipe - (NEPIS)(EPA ...
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CONTENTS<br />
DISCLAIMER ............................................................................................................................................. II<br />
ABSTRACT ................................................................................................................................................ III<br />
ACKNOWLEDGMENTS .......................................................................................................................... IV<br />
EXECUTIVE SUMMARY ......................................................................................................................... V<br />
CONTENTS ............................................................................................................................................. VIII<br />
APPENDICES .......................................................................................................................................... XII<br />
FIGURES .................................................................................................................................................. XII<br />
TABLES .................................................................................................................................................. XIV<br />
ABBREVIATIONS AND ACRONYMS ................................................................................................ XVI<br />
1.0: INTRODUCTION ................................................................................................................................ 1<br />
2.0: CIPP TECHNOLOGY DEVELOPMENT ........................................................................................... 4<br />
3.0: DEVELOPMENT OF CIPP EVALUATION METHODOLOGY..................................................... 15<br />
4.0: CITY OF DENVER RETROSPECTIVE STUDY ............................................................................. 23<br />
5.0: CITY OF COLUMBUS RETROSPECTIVE STUDY ....................................................................... 63<br />
6.0: REVIEW AND COMPARISON ACROSS THE FOUR SITES ........................................................ 93<br />
7.0: RECOMMENDED TEST PROTOCOL FOR FUTURE USE ......................................................... 103<br />
8.0: REPORT ON INTERNATIONAL SCAN ACTIVITIES AND FINDINGS ................................... 108<br />
9.0: SUMMARY AND RECOMMENDATIONS ................................................................................... 126<br />
10.0: REFERENCES ............................................................................................................................... 130<br />
1.0: INTRODUCTION .............................................................................................................................. 1<br />
1.1 Organization <strong>of</strong> Protocol Development and Field Studies ........................................................... 2<br />
1.2 Organization <strong>of</strong> the Report ........................................................................................................... 3<br />
2.0: CIPP TECHNOLOGY DEVELOPMENT ....................................................................................... 4<br />
2.1 Introduction .................................................................................................................................. 4<br />
2.2 <strong>Cured</strong>-<strong>in</strong>-<strong>Place</strong> <strong>Pipe</strong> ...................................................................................................................... 5<br />
2.2.1 Historical and Commercial Background ......................................................................... 5<br />
2.2.2 The CIPP Process ............................................................................................................ 6<br />
2.2.3 Installation Method: Inversion or Pull-In ........................................................................ 9<br />
2.2.4 Tube Construction ......................................................................................................... 10<br />
2.2.5 Choice <strong>of</strong> Res<strong>in</strong>s for CIPP ............................................................................................. 10<br />
2.2.6 Thermal Cur<strong>in</strong>g Process ................................................................................................ 11<br />
2.2.7 Ultraviolet Light <strong>Cured</strong> L<strong>in</strong>ers ...................................................................................... 12<br />
2.2.8 Emerg<strong>in</strong>g and Novel CIPP Technologies ...................................................................... 12<br />
2.3 North American Experience with CIPP ...................................................................................... 13<br />
2.3.1 Experiences and Case Histories ..................................................................................... 13<br />
2.3.2 Test<strong>in</strong>g and QA/QC ....................................................................................................... 13<br />
2.3.3 Environmental Issues ..................................................................................................... 14<br />
3.0: DEVELOPMENT OF CIPP EVALUATION METHODOLOGY .............................................. 15<br />
3.1 Review <strong>of</strong> Potential Alternatives ................................................................................................ 15<br />
3.2 Goals for a Specific <strong>Retrospective</strong> <strong>Evaluation</strong> Us<strong>in</strong>g the Draft Protocols ................................. 16<br />
3.3 Prelim<strong>in</strong>ary Outl<strong>in</strong>e <strong>of</strong> Anticipated Protocol for CIPP <strong>Evaluation</strong> ............................................. 16<br />
3.3.1 Identification <strong>of</strong> Municipal Partners .............................................................................. 16<br />
3.3.2 Identification <strong>of</strong> Segments for <strong>Evaluation</strong> ..................................................................... 17<br />
3.3.3 Availability <strong>of</strong> Historical Data ...................................................................................... 17<br />
3.3.4 Retrieval <strong>of</strong> Field Samples (Dig up and Replace Sample) ............................................ 18<br />
3.3.5 In-Situ <strong>Evaluation</strong> .......................................................................................................... 18<br />
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