Track 1

Time

Paper Title

Author(s)

Description

Monday, April 28 - AM Sessions: Liner Designs, Session Leader: Mo Najafi, University of Arlington at Texas

9:30 AM

Long-term Performance of FRP Rehabilitated Piping Components

Luke Lee, Louisiana Tech University and Mike Baumert, Louisiana Tech University

This paper evaluates the remaining service life of FRP rehabilitated piping systems under the influence of varying environmental conditions¸ geometry and mechanical properties.

9:55 AM

The 2007 ASTM F1216 Liner Design Change

Ian Doherty, Trenchless Design Engineering Ltd.

This paper discusses the changes to fully deteriorated design that came about with the release of ASTM F1216-07b in June 2007, and includes comparisons of old and new liner thicknesses before and after F1216-07b.

10:20 AM

Jordan C. McCormack¸ PE, Wade Trim; Bob Ericsson¸ PE¸ PS, Northeast Ohio Regional Sewer District; and Darby Neidig, Metcalf & Eddy

This paper describes the rehabilitation design process used for an emergency repair project on large diameter brick sewers in Cleveland, Ohio, as well as the alternate solution selection process and risk management analysis used on the project.

10:45 AM

Wei (Zack) Zhao, Ultraliner Inc.

This paper proposes a new long-term liner performance life prediction method. The instantaneous buckling equation is used for short-term design¸ and creep and critical buckling strain theory is used to validate the long-term design.

11:10 AM

David Hall, Trenchless Technology Center¸ Louisiana Tech University

This paper investigates the influence of local defects on the liner structural capacity using finite element method. The spacing, magnitude and size of the defect are studied. Design accommodations are discussed based on the research.

Monday, April 28 - PM Sessions: Rehabilitation Case Studies (Part I), Session Leader: Erez Allouche, Trenchless Technology Center, Louisiana Tech University

3:45 PM

Rehabilitation of 60-inch Failing Brick Sewer Pipe in Cleveland Ohio

This paper presents a case study of a sewer in Cleveland¸ Ohio, that was damaged by a slope failure. The sewer was temporarily braced¸ and then rehabilitated using the Sekisui SPR spiral wound lining system.

4:10 PM

Alain Gregoire¸ PEng, Delcan Corp.; Phil Kerridge¸ PEng, City of Ottawa; and Piero Salvo¸ PEng¸ MEng, WSA Trenchless Consultants Inc.

This paper presents a case study of large diameter CIPP rehabilitation of sanitary and storm trunk sewers ranging from 1050-mm to 2100-mm in the downtown core of the City of Ottawa.

4:35 PM

Fast Track Assessment and Rehabilitation Design for Sewers in Las Vegas Valley

Robert (Bud) Swensen¸ PE, Project Engineering Consultants¸ Ltd. and Steve W. Weber¸ PE, Clark County Water Reclamation District

This paper describes the fast track assessment and simultaneous rehabilitation design of more than 20 miles of damaged sewer pipeline, manholes and vaults under one of the busiest streets in the Las Vegas Valley.

5:00 PM

The City of Los Angeles’ Benchmarking Study of CIPP Structural Liner Thickness

David Ouyang¸ PE, City of Los Angeles¸ Bureau of Engineering; Harshad Shah¸ PE, City of Los Angeles¸ Bureau of Engineering; Farid Baher¸ SE, City of Los Angeles¸ Bureau of Engineering; and Michael Curran¸ PE, LEE and RO¸ Inc..

This paper describes the City of Los Angeles' benchmarking study of CIPP structural liner thickness design criteria¸ the resulting conclusions and the design policy changes implemented as a result.

Tuesday, April 29 – AM Sessions (1st Session) : New Materials and Methods, Session Leader: Isabel Tardif, CERIU

8:00 AM

Kevan C. Taylor, Proline Technologies NA and Wesley Cobb, Proline Technologies NA

This paper describes the technology and the advantages of using air and steam as opposed to water as the means for inversion of large and small diameter for CIPP.

8:25 AM

Erez Allouche, Trenchless Technology Center; Carlos Montes, Trenchless Technology Center; Ivan Diaz, Trenchless Technology Center; and George Vernon, Mill Creek Consultants

This paper describes the development and testing of a geopolymer mix design optimized for field rehabilitation of wastewater conveyance systems in municipal and industrial settings.

8:50 AM

New Developments in Liner Design Due to ATV-M 127-2

Bernard Falter, Dept. of Civil Engineering, University of Applied Sciences, Munster, Germany

This paper discusses the German code ATV-M 127-2, first published in 2000 for the design of linings to rehabilitate sewers. These guidelines have proven helpful in finding optimum wall thickness of liner materials. This paper reports on the new clauses that have been introduced into the second edition.

9:15 AM

Michael Delzingaro, Godwin Pumps and Stephanie Morgan, Godwin Pumps

This paper addresses the use of automatic controls in temporary bypass applications¸ using real examples to demonstrate improvements in equipment efficiency¸ longevity¸ and reliability and site safety.

9:40 AM

Gopal Guthikonda, P.E., City of Austin Water Utility and Roman D. Grijalva, P.E., King Engineering Associates/Austin Clean Water Program

Tuesday, April 29 – AM Sessions (2nd Session) : Water Main Rehabilitation, Session Leader: Peter Oram, Metcalfe & Eddy

10:20 AM

The Rehabilitation of Water Mains with Polyethylene Pipes and Liners: A Logical Choice

Dec Downey, Jason Consultants LLC; John Heavens, Jason Consultants LLC; and Tom Sangster, Jason Consultants LLC

This paper presents a review of the polyethylene pipe experience in water mains rehabilitation in Europe and the United States and evaluates suitability and performance in the context of perceived need and the technical requirement in this sector.

10:45 AM

Fred Tingberg, Jr., Lanzo Lining Services and Michael Janicki, Clinton Township, Michigan

This paper describes and documents the use of NSF 61 compliant materials in trenchless water main rehabilitation.

11:10 AM

Trenchless Plastic HDPE Water Main Solves More Than Water Loss

Bruce G. Kuffer¸ PE, Plastics Pipe Institute¸ Inc.

This paper investigates the installation of HDPE pipe for water main rehabilitation beneath a busy city street. The paper concludes that trenchless HDPE can accelerate savings in time and money with much less community aggravation.

11:35 AM

Elsayed Mohamed and Tarek Zayed, University of Concordia

This paper discusses the use of a fund allocation decision support model to allocate funds among pipes of the network as well as to repair or replace the pipes. This model is based on 33 judgments of municipal experts across Canada.

Tuesday, April 29 – PM Sessions : Rehabilitation Case Studies (Part II), Session Leader: Ben Bogner, AOC Resins

3:30 PM

Mark Wallbom, Miller Pipeline Corp. and John Huber, Calvert Cliff Nuclear Power Plant

This paper summarizes the complexities of a challenging project completed at the Calvert Cliff Nuclear Power Plant located oustide of Prince Frederick, Maryland. The challenges included operating depths of 50 feet; excessive ground water; constant ingress of pea-gravel and sand, rigid grade and alignment requirements to name a few.

3:55 PM

Somsak Sasnakul, Harshad Shah and Brad Jenson, Bureau of Engineering¸ City of Los Angeles

This paper describes the challenges and innovative solution developed during the fabrication and installation of a non-circular lining of sewer rehabilitation project and lessons learned during the development for future similar lining projects in the City of Los Angeles, California.

4:20 PM

Using Design-Build to Rehabilitate a Military Base Sewer System

Barbara Melcher¸ PE, CDM and Michael Bantz¸ PE, CDM

This paper provides an overview of using design-build for sewer system rehabilitation. Benefits of the design-build process include continuous value engineering¸ efficient processing of scope changes and the ability to quickly address unknown existing conditions.

4:45 PM

Flower Street Sewer Project in the City of Los Angeles

Carlos Amaya, Hans Chang and Amie McElroy, Bureau of Engineering, City of Los Angeles

This paper presents a case study on a relocating a sewer away from an active commuter train tracks and the reconnection of its house connections in the City of Los Angeles.

5:10 PM

Risks Associated with CIPP Lining of Storm Water Pipes and the Release of Styrene

Robert K. Lee, P.E., Malcolm Pirnie, Inc.; John Greblunas, Malcolm Pirnie, Inc.; and Kathryn A. Moore, Fairfax County, Maintenance and Stormwater Management Division

This paper discusses the risks associated with CIPP lining of storm water pipes related to the release of styrene¸ the environmental regulations regarding the release of styrene and implementation of construction risk management controls.

Wednesday, April 30: Asset Management, Session Leader: Dave Kurtz, Pure Technologies

8:00 PM

Syadaruddin Syachrani, School of Civil & Environmental Engineering, Oklahoma State University; Vajra Rai, School of Civil & Environmental Engineering, Oklahoma State University; and Hyung Seok “David” Jeong, School of Civil & Environmental Engineering, Oklahoma State University

This paper investigates and documents the status of drainage structure management programs that are used by different states and the current available technologies, some technologies which have potential to be used in rehabilitating drainage structures are discussed as well.

8:25 PM

John Fletcher, Duke's Root Control¸ Inc. and Stuart Tillery, Duke's Root Control¸ Inc.

This paper reviews current research pertaining to asset management and examines flaws in historic methods for maintaining sanitary sewers¸ using root control as an illustration.  The paper decribes how thoese flaws have led to significant problems. A case study involving New Castle County provides real-world results and the importance of preventative maintenance in an asset management program.

8:50 PM

Storm Sewer Rehabilitation Pilot Program: Results of Condition Assessment and Rehabilitation

Paul J. Batman, Malcolm Pirnie¸ Inc.; James W. Shelton, Malcolm Pirnie¸ Inc., and Kathryn Moore, Fairfax County¸ Virginia

This paper presents the results of a pilot storm sewer rehabilitation program in Fairfax County, Virginia.

9:15 PM

Neal B. Allen, Carollo Engineers and Dave Ocenosak, Sacramento Regional County Sanitation District

This paper addresses risk cost evaluations related to public impact¸ construction risk and risk of ownership identified in a business case evaluation prepared in support of developing an asset management program.

9:40 PM

Christopher R. Proulx, TBE Group, Inc. and Gary N. Young, P.G., Underground Imaging Technologies, Inc.

This paper describes a 3D Underground Imaging system that assists engineers in mapping the subsurface by producing high data density images of the target zone, which finds unknown underground structures that may otherwise be discovered only during construction. The 3D radar system aids in the project design and decreases project delays benefiting both engineers and stakeholders. Relevant case histories will be presented.