Monday, March 12 – AM Sessions |
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| Track 4: Current Trenchless Research – Session Leader: Alan Atalah, Bowling Green State University | |||||
| Time | Paper ID | Industry Segment | Paper Title | Author(s) | Brief |
| 9:30 AM | A-4-01 | Wastewater | An Innovative Alternative – Buoyant Interceptor in a Lake | Pete Oveson, Brown and Caldwell; Joel Komarek, City of Lake Oswego and Rob Lee, Portland B&C | This paper discusses the design and construction of a one-of-a-kind buoyant gravity interceptor that serves the City of Lake Oswego¸ Oregon. |
| 9:55 AM | A-4-02 | Wastewater | Review of QA/QC Procedures Associated with Rehabilitation of Large Diameter Interceptors | John Matthews, Battelle Memorial Institute; Andy Dettmer, Carollo Engineers; Erez Allouche and Jadranka Simicevic, Trenchless Technology Center | This paper describes the findings from a review QA/QC procedures associated with different large diameter pipeline rehabilitation methods and discusses the utility owner lessons learned. |
| 10:20 AM | A-4-03 | Water/Wastewater | Assessment of Corroded Corrugated Steel Culverts Using Field Data | Van Thien Mai and Neil A. Hoult, Queen’s University; and Ian D. Moore, GeoEngineering Centre at Queen’s – RMC | This paper demonstrates the use of ultrasonic transducers to estimate remaining wall thickness of corroded culverts. |
| 10:45 AM | A-4-04 | Wastewater | LinerRite -An Optical-Based Sensor for QC of Wet-Out Operations of CIPP Liners | Shaurav Alam and Erez Allouche, Trenchless Technology Center | The paper describes an innovative technology capable of estimating the degree of saturation of CIPP liners during the wet-out process in real-time using optical sensors. |
| 11:10 AM | A-4-05 | Gas | Investigating Cross Bores in the Wastewater Collection System | Robert Item, City of Palo Alto | This paper describes the steps taken by the City of Palo Alto to implement a cross bore investigation program. |
Monday, March 12 – PM Sessions |
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| Track 4: Lining Materials, Methods & Installation – Session Leader: George Kurz, Barge, Waggoner, Sumner & Canon | |||||
| Time | Paper ID | Industry Segment | Paper Title | Author(s) | Brief |
| 3:45 PM | B-4-01 | Wastewater | Lateral Rehabilitation Options and Their Cost-benefit Comparison – One Utility’s Perspective | James Shelton and Tony Dill, Malcolm Pirnie; Dave Hofer, New Castle County | This paper discusses one major sewer utility’s perspective of the benefit of various lateral technologies using a lateral technology cost benefit tool developed by New Castle County as a way of illustrating these values. |
| 4:10 PM | B-4-02 | Wastewater | High Temperature Aeration Piping – How Can I Rehabilitate It? | Jennifer Glynn, P.E., and Tricia Butler, P.E., RMC Water and Environment; Duane Larson, P.E., Encina Wastewater Authority | This paper presents a case study discussing the options evaluated and the challenges associated with rehabilitation design of a large diameter high temperature aeration pipe as well as lessons learned during construction of this project. |
| 4:35 PM | B-4-03 | Wastewater | Cranking up the Delivery – City of Richmond 2011 Sanitary Sewer Lining Project | Russell Eberwein, Harris & Associates and Fadi Alabbas, Veolia Water Operating Services | This paper describes an alternative project delivery method for a sanitary sewer lining program to meet a mandated deadline of sanitary sewer overflow reduction. |
| 5:00 PM | B-4-04 | Water | Line Q3 Pipeline – Slipline Rehabilitation | Jeffrey C. Heden¸ P.E., J. C. Heden and Assocaites¸ Inc.; Brian C. Dorwart¸ P.E.¸ PG, Brierley Associates; and Brian T. Lee¸ P.E., Rainbow Municipal Water District | This paper identifies the steps taken to quickly identify what alternatives were available to make use of a failed HDD water casing so that it could be quickly cleaned via HDD, sliplined via fused PVC, groundwater in the annular space displaced through 1,000-ft. grout tremie tubes and brought online. |
Tuesday, March 13 – AM Sessions (1st Session) |
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| Track 4: Pipe Bursting & Pipe Ramming – Session Leader: Craig Camp, Jacobs Associates | |||||
| Time | Paper ID | Industry Segment | Paper Title | Author(s) | Brief |
| 8:00 AM | C-4-01 | Water/Wastewater | Failing 96-in. Diameter CMP Replaced Utilizing Pipe Ramming Technology | Dave Holcomb, TT Technologies, Inc. and Jim Robinson, Jim Robinson Contracting | This paper describes the installation of a 96-in. diameter steel pipe to replace a failing 96-in CMP line located under HWY 21 north of Goderich, Ontario along the eastern shore of Lake Huron. |
| 8:25 AM | C-4-02 | Gas | Estimating Hammer Stresses for Pipe Ramming and HDD Assists | Mathew Francis, P.E., Curtis Tanner, P.E. and Michael Sharp, P.E., URS Corp | This paper provides an example adaptation of GRLWEAP pile driving software to estimate hammer stresses during pipe ramming and HDD assist projects with considerations for high pressure oil and gas regulations. |
| 8:50 AM | C-4-03 | Electrical | Conductor Barrel Installation Makes Boston’s Logan Airport HDD Project a Success | Collins Orton, TT Technologies, Inc. and Mel Olson, Southeast Directional Drilling | This paper describes the use of conductor barrel casings to isolate contaminated soil for the successful crossing of the Chelsea River. |
| 9:15 AM | C-4-04 | Water/Wastewater | Hillsborough County Florida Utilizes Varied Trenchless Methods with Success | Richard Kirby, Hillsborough County Public Utilities | This paper details the design and construction lessons learned with multiple trenchless installation methods for new construction and rehabilitation/replacement of existing water and wastewater pipelines that Hillsborough County has utilized over the last several years with success and efficiency. |
| 9:40 AM | C-4-05 | Water/Wastewater | Case Studies in Regulatory, Legal and Design Issues in Pipe Bursting | Mark Kwilinski and James Withers, JRGO, LLC | This paper discusses two ongoing pipe bursting projects and describes the regulatory, legal and design issues that have been encountered to date on each project. |
Tuesday, March 13 – AM Sessions (2nd Session) |
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| Track 4: Pipe Bursting & Pipe Ramming – Session Leader: Jack Burnam, CH2M HILL | |||||
| Time | Paper ID | Industry Segment | Paper Title | Author(s) | Brief |
| 10:20 AM | D-4-01 | Water/Wastewater | Pipe Bursting Pressurized Waterlines – To Burst or Not to Burst | Tracy Weaver and Michael E. Woodcock, Portland Utilities Construction Co., LLC | This paper describes the renewal techniques available for water rehabilitation and presents the pros and cons of pipe bursting pressurized watermains and lessons learned using the Liverpool Watermain, Auburn Hills, Michigan and Liberty Road, Roanoke Virginia projects. |
| 10:45 AM | D-4-02 | Wastewater | Large Diameter Pipe Bursting Case Study – City of Dallas¸ Texas | Matt Werth, Inland Pipe Rehab and Dave Holcomb, TT Technologies¸ Inc. | This paper discusses the difficult and extensive repair needed to replace a 60-year-old wastewater main collapse in the City of Dallas, Texas, resulting in an upgrade in pipe size from 36-in. to 42-in. |
| 11:10 AM | D-4-03 | Water | Pipe Bursting and Pre-Chlorination: Cost Effectiveness on Large Scale Projects | Alan Goodman, HammerHead Trenchless Equipment; Mark Gahry, Bidigare Contractors Inc. and John Bidigare, Brownstown Township | This paper considers the overall benefits of pipe bursting and installation of pre-chlorinated pipe using this method of construction and presents a case history about the upgrading of a community water system using pre-chlorinated pipe installed by pipe bursting. |
| 11:35 AM | D-4-04 | Water/Wastewater | Pipe Bursting and Sliplining Reach New Levels of Production in the City of Oxnard, California, Through New Innovative Design, Planning, Equipment and Construction Methods | Ahmad Habibian, Ph.D., P.E., Black & Veatch Corporation; George C. Mallakis, TT Technologies¸ Inc.; Daniel Rydberg, City of Oxnard; Andy Stanton, Black & Veatch Corp.; and Jim Creager, AECOM | This paper discusses how pre-design planning¸ innovative design methods¸ equipment and construction techniques were used to burst 9,000 lf of existing 15-in. and 18-in. VCP and slipline 15,000 lf of 21-in. to 30-in. VCP. |
Tuesday, March 13 – PM Sessions |
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| Track 4: Trenchless Risk Issues – Session Leader: Brian Dorwart, Brierley Associates, LLC | |||||
| Time | Paper ID | Industry Segment | Paper Title | Author(s) | Brief |
| 3:30 PM | E-4-01 | Other | Investigation of Horizontal Directional Drilling Construction Risks | Manley Osbak, The Crossing Company Inc.; Hossein Akbarzadeh and Alireza Bayat, University of Alberta | This paper examines the risk events that have occurred on some 150 medium and large HDD projects. |
| 3:55 PM | E-4-02 | Wastewater | The Benefits of Post-construction Warranty Inspections for Long-term Sanitary Sewer Overflow Control Program Success | Jonathan Kunay and Paul Ross, CDM | This paper details the findings of post-construction warranty inspections, focusing on products used, failure rates, lessons learned and benefits, specifically for long-term programs, where consistent, long-lasting solutions are critical to the success of a consent order driven program. |
| 4:20 PM | E-4-03 | Gas | Creating High Confidence – Essential Elements for Cross Bore Elimination Projects | Mark Bruce, Cross Bore Safety Association and Jeffrey Graham, Hydromax USA | This paper discusses the elements for successful cross bore elimination including GPS, GIS, data verification, data storage and ready retrieval of data. |
| 4:45 PM | E-4-04 | Wastewater | Construction Failure Case Study: City of Sedro-Woolley InneReam Sewer Line Replacement Project Grade Failure | Arne Hedeen, Hedeen & Caditz, PLLC | This paper presents a case study of a construction failure for the City of Sedro- Woolley, which arose out of the failure of the drilling contractor to achieve grades on a 24-in. sewer line replacement using the InneReam process. |
| 5:10 PM | E-4-05 | Water/Wastewater | Paying Small Trenchless Projects Their Dues -A Discussion on Risk Reduction Strategies for Small Trenchless Projects | Stephen O’Connell, Paul Headland and James McKelvey, Black & Veatch Corp. | This paper presents a holistic approach to risk management for smaller trenchless projects which show a disproportionate amount of risk compared to overall construction value leading to cost overruns and legal disputes. |
Wednesday, March 14 – AM Sessions |
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| Track 4: Trenchless Research – Session Leader: Jason Lueke, Arizona State University | |||||
| Time | Paper ID | Industry Segment | Paper Title | Author(s) | Brief |
| 8:00 AM | F-4-01 | Water/Wastewater | Pipeline Repair Technologies, Current and Future | Tim Kennedy, STRUCTURAL; Jay Thomas, STRUCTURAL; and Tarek Alkhrdaji, STRUCTURAL | This paper presents new technologies as alternatives to conventional restoration. |
| 8:25 AM | F-4-02 | Water | Evaluation of the Carbon Footprint of Innovative Watermain Rehabilitation Technologies vs. Open-cut | John C. Matthews and Wendy E. Condit, Battelle Memorial Institute; Samuel T. Ariaratnam, Arizona State University; Ariamalar Selvakumar, U.S. Environmental Protection Agency (EPA) | This paper describes the carbon footprint evaluation of two innovative trenchless technologies and compares the results against traditional open-cut methods for projects of a similar size. |
| 8:50 AM | F-4-03 | Other | Development of a Carbon Calculator Tool to Compare Trenchless and Standard Pipeline Activities | Angelo Fabiano, NYSEARCH | This paper highlights an overview of the program, the associated challenges and a brief overview of the calculator tool. |
| 9:15 AM | F-4-04 | Water/Wastewater | Baseline Condition Data Collection for Pipes and Pipeliners | L. Grant Whittle, Virginia Tech; Sunil Sinha¸ Ph.D., Virginia Tech; and David Burke, WSSC | This paper describes the data essential for accurate predictive modeling of the life-cycle performance of pipes and pipeliners. |
| 9:40 AM | F-4-05 | Wastewater | A New Approach in Pipe Structural Condition Scoring | Mary Cate Opila and Nii Attoh-Okine, University of Delaware | This paper presents a new approach to pipe structural condition scoring in which the economic concept of discounting is applied to the mean time to failure of a pipe. |
