EST SERVI FOR CE D E E P R A U RTMENT OF AGRICU L T United States Department of Agriculture Forest Service National Technology & Development Program • 7700—Transportation Mgmt • 1177 1810—SDTDC • December 2012 Decision Analysis Guide for Corrugated Metal Culvert Rehabilitation and Replacement Using Trenchless Technology Acknowledgments We (the authors) would like to thank Forest Service employees Kim Clarkin, James Scott Groenier, and Alan Yamada; Erez Allouche (Louisiana Tech University, Trenchless Technology Center); Bart Bergendahl (Federal Highway Administration), and Bridget Donaldson (Virginia Department of Transportation) for their valuable contributions; Gordon Keller (Forest Service), Roger Surdahl, Rich Barrows, Eric Brown, and Ben Rivers (Federal Highways) for their very helpful technical reviews; and Susan Clements, Janie Ybarra, and others at San Dimas Technology and Development Center for the editing and layout of this guide. This publication is the result of a partnership between the Forest Service Technology and Development Program and the U.S. Department of Transportation, Federal Highway Administration, Coordinated Federal Lands Highway Technology Improvement Program. Keywords: trenchless technology, corrugated metal pipe, corrugated steel pipe, culverts, culvert replacement, culvert rehabilitation, culvert repair techniques, culvert corrosion, culvert deterioration, sliplining, pipe splitting, pipe lining, cured-in-place pipe (CIPP) lining, pipe bursting, lack of capacity, deficient structural capacity, inadequate bedding support. 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Persons with disabilities who wish to file a program complaint, please see information above on how to contact us by mail directly or by email. If you require alternative means of communication for program information (e.g., Braille, large print, audiotape, etc.) please contact USDA’s TARGET Center at (202) 720-2600 (voice and TDD). Forest Service Disclaimer The U.S. Department of Agriculture (USDA) prohibits discrimination in all its programs and activities on the basis of race, color, national origin, age, disability, and where applicable, sex, marital status, familial status, parental status, religion, sexual orientation, genetic information, political beliefs, reprisal, or because all or part of an individual’s income is derived from any public assistance program. (Not all prohibited bases apply to all programs.) Persons with disabilities who require alternative means for communication of program information (Braille, large print, audiotape, etc.) should contact USDA’s TARGET Center at (202) 720-2600 (voice and TDD). To file a complaint of discrimination, write USDA, Director, Office of Civil Rights, 1400 Independence Avenue, S.W., Washington, D.C. 20250-9410, or call (800) 795-3272 (voice) or (202) 720-6382 (TDD). USDA is an equal opportunity provider and employer. Decision Analysis Guide for Corrugated Metal Culvert Rehabilitation and Replacement Using Trenchless Technology John C. Matthews, Ph.D., Research Associate, Trenchless Technology Center, Louisiana Tech University, Ruston, Louisiana Jadranka Simicevic, Research Engineer, Trenchless Technology Center, Louisiana Tech University, Ruston, Louisiana Maureen A. Kestler, Civil Engineer, San Dimas Technology & Development Center Rob Piehl, Geotechnical Engineer, Siuslaw/Willamette and Mt. Hood National Forests, Oregon (retired) Acknowledgments ...........................................................................................................Inside Cover Abstract................. ...........................................................................................................................vii 1 INTRODUCTION ........................................................................................................................... 1 1.1 General Overview .............................................................................................................. 1 1.2 Forest Service ................................................................................................................... 1 1.3 Guidelines ......................................................................................................................... 3 1.4 Aquatic Organism Passage ............................................................................................... 3 1.5 Outline .............................................................................................................................. 5 2 DECISIONMAKING PROCESS —Problem Description Flowcharts .............................................. 7 2.1 Issue 1: Culvert Lacks Structural Capacity ........................................................................ 8 2.2 Issue 2: Culvert Lacks Hydraulic Capacity ........................................................................ 9 2.3 Issue 3: Culvert Has Bedding Deficiencies ....................................................................... 9 3 CORRUGATED METAL PIPE PROBLEMS, CONDITIONS, DEFECTS— Issue and Condition Descriptions ............................................................................................11 3.1 Culvert Lacks Structural Capacity ....................................................................................11 3.1.1 Structural Problem in the Culvert Joint ................................................................11 3.1.2 Structural Problem in the Culvert Wall .................................................................11 3.1.3 Culvert Is Collapsed ............................................................................................ 16 3.2 Culvert Requires Increased Capacity .............................................................................. 17 3.3 Culvert Has Bedding Deficiencies ................................................................................... 17 3.3.1 Surface Depressions ........................................................................................... 17 3.3.2 Voids Around the Culvert .................................................................................... 18 3.3.3 Undermining ........................................................................................................ 18 4 TRENCHLESS TECHNOLOGIES FOR CMPs—Rehabilitation of Corrugated Metal Culverts ........................................................................................................................ 21 4.1 Sliplining of Corrugated Metal Culverts ........................................................................... 26 4.1.1 Sliplining With Polyethylene ................................................................................ 26 4.1.2 Sliplining With Reinforced Concrete Pipe ........................................................... 29 4.1.3 Sliplining With Corrugated Metal Pipe or Pipe Arch ............................................ 29 4.1.4 Invert Sliplining .................................................................................................... 30 4.2 Cured-in-Place Pipe Lining .............................................................................................. 31 4.3 Fold-and-Form Lining ...................................................................................................... 32 Decision Analysis Guide for Corrugated Metal Culvert Rehabilitation and Replacement—Table of Contents 4.4 Spiral-Wound Lining ........................................................................................................ 34 4.5 Sprayed Linings ............................................................................................................... 35 4.5.1 Cement Mortar Lining ........................................................................................