trenchless technology magazine

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4 TRENCHLESS TECHNOLOGY February 2009 www.trenchlessonline.com

TRENCHLESS TECHNOLOGY (ISSN 1064-4156) is published monthly, with an annual Directory in June Copyright 2009, Benjamin Media, Inc., P.O. Box 190, Peninsula, OH 44264. All rights reserved. No part of this publication may be reproduced or transmitted by any means without written permission from the publisher. One-year subscription rates: complimentary in the United States and Canada, and $99.00 in other foreign countries. Single copy rate: $10.00. Subscriptions and classified advertising should be addressed to the Peninsula office. Periodical Postage Paid at Peninsula, Ohio and at additional mailing offices. POSTMASTER: send address changes to TRENCHLESS TECHNOLOGY, P.O. Box 190, Peninsula, OH 44264 USA.

Canadian Subscriptions: Canada Post Agreement Number 40040393. Send change of address information and blocks of undeliverable copies to P.O. Box 1051, Fort Erie, ON L2A 6C7.

D E PA RT M E N T S8 News

18 People 22 NASTT Newsletter67 E-biz68 Associations Update 70 Calendar

C O LU M N S6 Publisher’s Message

20 Industry Watch70 Technical Forum74 Point of View

M A R K E T P L AC E66 Index of Advertisers72 Business Cards

Coming in March...2009 Trenchless Technology Person of the Year Is Revealed

Promoting Technology in the Utility Construction Industry

O N T H E C OV E RWalter Wang, CEO of JM Eagle.

C OV E R S TO RY24 Providing Global Pipe Solutions

JM Eagle, the world’s largest manufacturer of plastic pipe, leads the industry from the ground up. By Greg Thompson

F E AT U R E S28 Oh, Canada!

The 2009 International No-Dig Conference and Exhibition heads to Toronto. By Pam Stask

42 Stating Their Case: PVC vs. HDPEPVC and HDPE are the top pipe choices in the trenchless market today. We ask their advocates why. By Sharon M. Bueno

46 History Preserved in TurkeyPipe relining rehabs ancient sewer pipes in Istanbul. Submitted by Ultraliner

50 Microtunneling in Montgomery, Ala.Bradshaw Construction completes four tricky crossings. By James W. Rush

VOLUME 17 • NUMBER 2 • FEBRUARY 2009 • WWW.TRENCHLESSONLINE.COM

CONTENTS

D I R E C T I O N A L D R I L L I N G

52 FTTH Market Seizes on HDD to Make Connections

54 Crossing Italy’s Po River

58 HDD Design Issues: Hydrofractures

62 Drillmaster Report: Rigging Up Maxi Rigs



No-Dig Show Goes InternationalThe No-Dig Show continues to rise in prominence. This

year’s event is being held March 29-April 3 in downtown, cosmopolitan Toronto at the Sheraton Centre. Significantly, this year’s show has a special international flare. This is not because it is being held in Canada — Canada, Mexico and the United States comprise NASTT — but because this year’s event has been sanctioned by the International Society for Trenchless Technology (ISTT) as the 2009 International No-Dig.

There are so many excellent reasons to attend the 2009 show. The most obvious is that there will be 140 technical papers — which is amazing. These presentations will be non-commercial and have been peer-reviewed. Add to this that there will be more than 120 exhibitors displaying their wares and are anxious to meet you. To some people, the importance of the No-Dig Show centers more on all the many networking opportunities. The festivities kick off Monday with the opening breakfast, which in recent years has had standing-room-only. Later that day, the annual educational auction will take place. The highlight on Tuesday is the big Gala Awards reception and dinner. And not to be overlooked is the annual closing luncheon on Wednesday.

Awards are an integral part of the No-Dig event. There is the 2009 Trenchless Technology Person of the Year award, which we proudly present at the opening breakfast. The 2009 recipient will be announced on the cover of our March issue. At the Gala Dinner, the winners of the 2008 Trenchless Technology Projects of the Year in the categories of New Installation and Rehabilitation will be presented. Additionally this year, the ISTT No-Dig awards will be presented. These awards only take place at the officially sanctioned International No-Dig. The awards cover academic research, projects, innovations and young professionals.

The show also includes headline speakers. As you have your breakfast the first day, you will be entertained by renowned comedian Glen Foster or better known as “That Canadian Guy.” The Gala Awards dinner features Go Freddie Go, a popular Canadian band that serves up tireless rock ‘n roll. From Roy Orbison, to Elvis Presley, to the Beach Boys, to the Beatles, Go Freddie Go will have attendees tapping their feet and snapping their fingers all night long. Addressing the closing luncheon is Ira Blumenthal, who works on children’s causes and environmental matters. Blumenthal is a seasoned public speaker, having served as the “opener” for President George H.W. Bush, General Colin Powell, Poland’s Lech Walesa, Henry Kissinger and others.

For U.S. attendees, there is an added bonus. The value of the U.S. dollar vs. the Canadian dollar has improved so much in recent months that U.S. citizens will enjoy a 20 percent discount on all of their purchases in Canada. That also includes the Sheraton Centre.

There may be other trade shows out there, but the No-Dig Show remains the only event that is dedicated exclusively to trenchless technology. There are no excavators, trench shoring systems or backhoes. So come, learn and enjoy the many activities. For the latest information on the show, visit: www.nodigshow.com.

See you in Toronto

Bernard P. Krzys President & Publisher

PUBLISHER’S MESSAGE

PublisherBernard P. Krzys

Associate PublisherRobert D. Krzys

EditorJames W. Rush

Managing EditorSharon M. Bueno

Assistant EditorsPam Stask • Greg Thompson

Contributing Staff EditorsKeith Gribbins • Bradley Kramer

Jason Morgan

Creative DirectorW. M. Conley

Graphic DesignersSarah Hayes • Chris Slogar

Elizabeth C. Stull

Marketing ManagerKelly Dadich

Regional Sales ManagerDan Sisko

Circulation ManagerAlexis R. Tarbet

Web & Interactive ManagerMark Gorman

Editorial Advisory BoardChairman

Dr. Tom Iseley, P.E.Professor/Director at CEMT at IUPUI

Indianapolis, Indiana

Alex BuehlerInsituform Technologies Inc., Chesterfield, Missouri

Dr. Samuel AriaratnamArizona State University, Tempe, Arizona

Dr. David Bennett, P.E.Bennett Trenchless Engineers, Folson, California

Steven R. Kramer, P.E.Parsons, Washington, D.C.

Joseph Loiacono, ing.Sanexen, Montreal, Quebec

Ronald T. Thompson, P.E.Malcolm Pirnie Inc., Jackson, Mississippi

Irene McSweeney, P.E.Boston Water and Sewer Commission

Boston, Massachusetts

Editorial & Advertising Offices1770 Main St., P.O. Box 190Peninsula, OH 44264 USA

(330) 467-7588 • Fax: (330) 468-2289www.trenchlessonline.com

e-mail: [email protected]

ReprintsWright ReprintsPh: 877-652-5295Fax: 281-419-5712

2009 International No-Dig Show

March 29-April 3, 2009Sheraton Centre Toronto

Toronto, Canadawww.nodigshow.com



NEWSJob to Bid: Pierce County, Wash.Job to Bid: Pierce County, Wash.

Pierce County, Wash., is preparing to put its “Rehabilitation of the Chambers Creek WWTP 72-in. Diameter Wastewater Tunnel” project out to bid.

The project will be awarded in 2009 and is expected to be completed by the end of 2010. The proposed project consists of rehabilitating 3,000 to 6,000 lf of the existing 72-in. diameter reinforced concrete pipe (RCP) with the 24-in. diameter cunette located approximately 100 ft below grade. Rehabilitation will be accomplished by segmental sliplining and/or using a wound sewage pipe renewal (SPR) method and filling the annular space with grout.

Television inspection of the existing tunnel has determined that the segment of the original tunnel in the vicinity of Chambers Creek Road and 64th Street Court contains Level 4 and 5 defects per NASSCO PACP standards, requiring immediate rehabilitation. The work will include rehabilitation through horizontal bends, as well as interfacing the new rehabilitation product with existing Linabond used for a previous phase of rehabilitation.

The existing Chamber Creek Tunnel was constructed in 1983 and consists of approximately 2,300 lf of 72-in. diameter round reinforced concrete pipe and approximately 12,900 lf of 72-in diameter RCP with 24-in. diameter cunette and shelf for low flow. The tunnel depth ranges from several feet of cover to more than 100 ft of cover. The Chambers Creek Tunnel has experienced hydrogen sulfide corrosion since its construction, necessitating several phases of rehabilitation to mitigate further corrosion and prevent collapse.

NHSC Inc.NHSC Inc.Joins GZA GeoEnvironmental Inc.Joins GZA GeoEnvironmental Inc.

GZA GeoEnvironmental Inc., a leading environmental and geotechnical consulting firm, announced Jan. 12 that Newmarket, N.H.-based NHSC Inc. has joined the GZA team.

NHSC brings experienced professional scientists to GZA with skills in land resource management, wetland and soil inventory, water resource management, subsurface sewage disposal and environmental site assessments. The firm has served as environmental consultants in the Northeast for more than 20 years and currently has offices in Newmarket and Alton, N.H., as well as Columbus, Ohio, which will remain in place.

Combining the resources of NHSC and GZA will create one of the largest and most respected environmental and engineering consulting firms in New Hampshire and northern New England, according to a GZA press release. The entire former staff of NHSC has joined the staff at GZA and NHSC owners Larry Morse and Jaime Long have become vice presidents in GZA.

“NHSC Inc. has built a strong reputation for excellence with its more than 20 years of commitment in bringing the best service and solutions to its clients,” said William R. Beloff, president and CEO of GZA GeoEnvironmental Inc. “Our combined expertise, the outstanding technical quality of work and our responsiveness to our client’s needs and interests position us in the marketplace as the

premier specialty consulting firm for our broad range of clients.”

Founded in 1964, GZA GeoEnvironmental Inc. provides environmental consulting, geotechnical and geo-civil engineering, environmental remediation, regulatory compliance, litigation support, air quality, solid waste services, specialty construction, occupational health and safety and site development services.

Paul Henkels, Henkels & McCoyHenkels & McCoy Inc. chairman Paul M. Henkels

passed away Jan. 8.Paul had been the inspirational leader of Henkels

& McCoy Inc. for more than 60 years. His commitment to integrity, the livelihood of our

employees and the performance of the company was always of upmost importance to Paul. He embodied the spirit of his parents, the founders of Henkels & McCoy, with his dedication to the core values that are the foundation of the company. His untiring efforts to ensure ethics in business,

improve education through school choice, and live his faith through philanthropic endeavors, inspired all who knew him.

Jaan Oolup, Link-Pipe Jaan Oolup, a salesperson at Link-Pipe Inc., died

suddenly in November while returning home from assisting a customer in Tulsa, Okla.

Jaan was born in Sweden just after World War II and his family moved to Canada shortly afterward. They settled in Ontario, wherehis father worked as acarpenter. Jaan graduated asan engineer from RyersonUniversity in Toronto, fromwhere he went to work for Pennwalt Corp. as asalesperson. From there heworked for various companiesuntil he arrived at Canron Pipe, which was later renamed to IPEX, where he worked as a sales manager until he retired.

Not happy with retirement, he joined Link-Pipe Inc. and became its top salesperson until he suddenly passed away from a heart attack while returning from a visit to one of his customers in Tulsa, on Nov. 15.

Jaan will be remembered by all the people he befriended in the trenchless technology industry

Paul M. Henkels

Jaan Oolup

Obituaries

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NEWS

ISCO Industries, one of the nation’s largest distributors and suppliers of HDPE piping products, recently announced the acquisition of Wright Water & Waste based in Solon, Ohio.

In announcing the acquisition, ISCO Industries president Jimmy Kirchdorfer called the agreement “a positive move for customers of both companies.”

Wright Water & Waste, founded by Andy Wright in 2006, has fostered a strong reputation for providing top-notch local service to its customers. Wright and his team have more than 150 years of combined waterworks experience.

Andy Wright will become the national director of waterworks sales for ISCO and all existing Wright Water staff will be retained by ISCO. Terms of the sale were not disclosed.

“This strategic move will benefit our existing Wright Water customers in Ohio and also ISCO’s customer base nationwide,” said Wright. “The stability and solid history behind ISCO will provide our employees the opportunity for future growth, as well as allow our customers to continue to receive the service and expertise they have come to expect from us.”

“During the past 30 years, we have built an infrastructure and team of people across the country to serve our

customers’ HDPE piping projects,” said Kirchdorfer. “The addition of the Wright Water personnel will give us the expertise to supply additional items on these projects and offer a complete package to our current customer base.”

ISCO also has nearby stocking and sales facilities in Zanesville, Ohio, and the Detroit area.

ISCO Acquires Cleveland-Area Waterworks Supply CompanyISCO Acquires Cleveland-Area Waterworks Supply Company

Shown are (left) Wright founder and presidentAndy Wright and ISCO Industries president

Jimmy Kirchdorfer.




NEWS

Insituform Technologies Inc. (Nasdaq Global Select Market: INSU) recently announced that it was awarded an additional $13.3 million in sewer pipe rehabilitation work in the Atlanta area, as well as $4.4 million

project in British Columbia, Canada.

Insituform was recently awarded two new contracts with the City of

Atlanta in the amounts of $4.8 million, through its joint venture with Metals & Materials Engineers LLC., and $4.5 million, through its joint venture with Imani Environmental Group Inc., respectively. Insituform expects to perform approximately 65,000 ft of small-diameter sanitary sewer lining work under these contracts. Work on these projects is under way and should be completed in September and October 2009, respectively.

In addition, Insituform estimates that an additional $4 million in medium- and large-diameter sanitary

sewer lining work will be released under its annual term contract with Dekalb County, Ga., during 2009. The company will use its Insituform cured-in-place-pipe (CIPP) technology for each of these projects.

The City of Atlanta contracts are a part of the “Clean Water Atlanta” program created by the City in 2002. Clean Water Atlanta is the City’s comprehensive, long-term plan to ensure clean drinking water for Atlanta and clean streams and clean wastewater flows for Atlanta and its downstream neighbors.

Also, its Canadian subsidiary, Insituform Technologies Ltd., has been awarded a $4.4 million contract from the City of Victoria in British Columbia, Canada. Insituform will rehabilitate 14,750 ft of high-pressure steel pipes, ranging in diameter from 8 to 24 in. Insituform will complete the work in the City of Victoria in 26 installations, rehabilitating 13,900 ft of 20 in., 550 ft of 24 in. and 300 ft of 8 in. water lines.

Work began in late November and is expected to be completed in August 2009.

Insituform Wins $13.3 Million in Additional Work in Atlanta Insituform Wins $13.3 Million in Additional Work in Atlanta




NEWSMcElroy Announces Three International Distributors

McElroy Mfg. Inc. recently announced that three international organizations have become authorized international distributors for McElroy’s pipe fusion products. The three new distributors are: Geomembranas Y Geosinteticos S.A. De C.V. of Mexico, Rho-Tech/SKW Industrial Supplies of South Africa and QSI Motor Group of Venezuela.

Geomembranas Y Geosinteticos S.A. De C.V. has a long dealer relationship with McElroy Mfg. even hosting regular McElroy University training classes at its facilities in Mexico. Rho-Tech, based in Durban, South Africa, services McElroy equipment in southern Africa, including Zambia, Madagascar, Kenya, Botswana, South Africa and the Democratic Republic of Congo. Dealing primarily in the water and mining industries, Rho-Tech has had a working relationship with McElroy for two years, with a goal of significantly increasing McElroy’s fleet of fusion equipment in Africa. QSI Motor Group offers technical support and product solutions for construction, water, mining, telecommunications and other indus tries in South America.

SSC Expands Trenchless Training ProgramSpecialized Services Co. (SSC) announced that

participants in its monthly Trenchless Technology Lunch & Learn Classes will be awarded 1.5 CEUs, in accordance

with Del E. Webb School of Construction Fulton School of Engineering at Arizona State University.

Each session in the 12-month series focuses on a different trenchless application. Participants are provided a case-based learning experience that explores topics such as horizontal auger boring, HDD and pipe ramming/bursting, just to name a few. Instructors are experts in the field of underground construction who endeavor to help professionals specify the appropriate trenchless method for each of their pipeline installation/renewal projects. Registration is available at www.sscboring.com/training.php or by call (602) 997-6164.

Robbins Opens Asia Pacific OfficeRobbins recently announced its new office, Robbins Asia

Pacific Pty Ltd. Located in Hong Kong, the office will focus on sales, technical support, and procurement. The branch is in addition to three other Robbins offices in Asia.

Geographical areas covered by the new subsidiary include East Asia, the Middle East and Australia (excluding India and China). In the future, the new branch will include engineering, field service and other support services and will assist in the development of a nearby Robbins manufacturing facility in Guangzhou, China.

The new facility is expected to be fully operational by mid-2009.




PEOPLEDr. Jason Lueke Joins Arizona State University Faculty

After spending a few years working for a utility contractor and five years in the e n g i n e e r i n g consulting industry as a trenchless specialist, Dr. Jason Lueke is joining the Del E. Webb School of Construction at Arizona State University as an

assistant professor. Lueke will concentrate his research

activities in trenchless construction and rehabilitation methods with a focus on sustainable design and construction practices.

Lueke has been an active member of the Northwest Chapter of NASTT in Canada for almost 10 years, chaired two Alberta trenchless symposiums, and was the chair for the Edmonton Section of the chapter for the past year.

Insituform Names VP of NAR ServicesInsituform Technologies Inc. recently

announced that it appointed Charles E. Voltz as vice president, NAR Services.

Voltz comes to Insituform from Veolia Water North America-West LLC, where he served as its president since 2007. He will oversee wetout operations, estimating, procurement and asset management for North America.

Voltz earned his bachelor of science degree from Pennsylvania State University in water r e s o u r c e s engineering. He earned his master’s degree in business adminstration in e n v i r o n m e n t a l engineering from the University of Pittsburgh.

A licensed professional engineer, he has more than 30 years experience providing expert technical support to

water and wastewater, engineering and construction projects nationwide.

Ratliff Promoted at HDRAlison L. Ratliff of HDR’s Las Vegas

office has been promoted to vice president.

Ratliff is a professional associate and senior project manager with more than 23 years of experience in the water industry, specializing in condition assessment and rehabilitation of pipeline systems. She has managed projects in California, Washington, Nevada, Alabama, Rhode Island, Kuwait, and Lima, Peru. She is a certified trainer of the NASSCO’s pipe assessment and certification program. She is current chair of the ASTM’s F36 new technologies committee; past region governor for the Society of Women Engineers and a member of the WEF’s collection system committee.

HDR is an employee-owned architectural, engineering and consulting firm.

Dr. Jason Lueke

Charles E. Voltz


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www.trenchlessonline.com February 2009 TRENCHLESS TECHNOLOGY 19

The Water Design-Build Council (WDBC), established in 2006, was created to serve as an advocate for the value of design-build for water and wastewater projects. The council held its annual board of directors meeting Dec. 2 in Washington D.C.

The Council’s first priority in 2009 is to educate the new administration, Congress and stakeholders on the enormous need for investment in our nation’s aging water and wastewater systems, to urge them to commit stimulus funds for water and wastewater projects, and to specifically support design-build project delivery as a mechanism to accelerate those efforts.

The WDBC has also commissioned a university study on the performance of design-build vs. conventional design-bid-build for municipal water and wastewater projects. Study results should enable owners and stakeholders to evaluate alternative project delivery systems based on credible conclusions developed from a statistically significant data set of municipal water and wastewater infrastructure projects.

In 2008, the WDBC completed a survey of municipal water executives who have used design-build for their projects. Of note, the survey results reported that the major reasons design-build was chosen was single-point accountability and the ability for the builder to be

involved in the design process. Guest speakers at the meeting included Diane Van de

Hei, Executive Director, Association of Metropolitan Water Agencies (AMWA) and Bernie Krzys, Publisher of Trenchless Technology and UIM magazines.

The WDBC is comprised of the following members Brown and Caldwell, Black & Veatch, Carollo Engineers, CDM, CH2M Hill, AECOM, Haskell, HDR, MWH Constructors and Veolia Water Solutions & Technologies.

Water Design–Build Council Meets in Washington D.C. Water Design–Build Council Meets in Washington D.C.

The Water Design-Build Council



In one of the first moves of the 111th Congress, the House put forward an $825 billion economic recovery plan, a combination of spending programs and tax cuts

designed to stimulate spending and create jobs. The proposal includes money for roads, bridges, highways, airports, transit, power, communications and sewer and water systems, in addition to tax cuts that would help pay for health and education. Meanwhile, the Senate is developing its own version of a recovery plan.

Following his win in the November election, then President-elect Obama promised to launch an infrastructure spending program on a large scale. In a December address, he said “We will create millions of jobs by making the single largest new investment in our national infrastructure since the creation of the federal highway system in the 1950s.”

On first blush, this looks promising for the water and wastewater sectors, which have been historically under-funded and facing growing investment gaps as aging pipe networks and treatment plants continue to age. But closer inspection of the plan shows that a relatively small part of the massive recovery plan addresses water and wastewater systems.

According to the New York Times, the House plan includes roughly $550 billion in spending and $275 billion in tax cuts. Of the $550 billion, $90 billion is projected for infrastructure funding, including highway construction and repairs, public transportation and rail projects and water and wastewater projects, among others.

According to the Water & Wastewater Equipment Manufacturers Association, the proposal includes $6 billion for wastewater infrastructure and $2 billion for drinking water infrastructure to be administered through EPA’s State Revolving Fund programs. An additional $1.5 billion is proposed for rural water and wastewater projects that will be funneled through the U.S. Department of Agriculture.

Industry groups and lobbyists are stating their case for a piece of the pie, as well as how the stimulus money is used. The U.S. Conference of Mayors (usmayors.org) has outlined a “Main Street Economic Recovery” plan that recommends roughly $180 billion in infrastructure upgrades, including $37.5 billion for water and wastewater. According to the report:

Water and wastewater infrastructure is an integral • component of the nation’s economic competitiveness, protects public health and creates jobs.

In 2006 alone, local government spent $85 billion on • water infrastructure. During the same time, the federal government provided only $1.9 billion through state loans. Through user rates, local bonds and taxes, local governments contribute 98 percent of the total investment in wastewater and 95 percent of the investment in water infrastructure. Despite the tremendous investment made by local government, the EPA estimates that there still is a $500 billion “needs gap” to meet our water and wastewater infrastructure needs and to comply with current unfunded mandates.

Due to leaking pipes, cities can lose anywhere from • 5 to 40 percent of their water and wastewater. Thirty-five percent of cities in a Conference of Mayors survey do not know where their source of water will come from by 2025. Therefore, Congress should allocate an additional $37.5 billion directly to cities as grants to assist with rehabilitating aging water and sewer infrastructure, complying with sewer overflow issues, and promoting source water protection and availability. This additional investment will result in immediate job creation in cities and across the nation, as many local Main Street infrastructure projects are “ready to go.”

Obama has indicated his desire to get the plan moving quickly, so projects that are “shovel ready” — that is lacking only funding — will likely be given priority. The state revolving funds prioritize projects based on need and would be a logical starting point for identifying which water and wastewater infrastructure projects get funding.

A floor vote on the bill was expected for the week of Jan. 26.

Rep. Johnson to Chair House Water Resources and Environment Subcommittee

Congresswoman Eddie Bernice Johnson (D-Texas) was elected chair of the House Transportation and Infrastructure Subcommittee on Water Resources and Environment for the 111th Congress, by unanimous consent of the entire Transportation and Infrastructure Democratic caucus. She also held the position in the 110th Congress.

“I am very pleased to serve as chair of the Water Resources and Environment subcommittee for a second term,” Johnson said. “In the coming Congress, we plan to re-introduce and pass bills to bolster wastewater infrastructure, improve water quality and reexamine federal participation in the area of water resources planning. I look forward to working on these issues with the Obama administration.”

The jurisdiction of the Water Resources and Environment subcommittee includes the civil works programs of the Army Corps of Engineers, including projects for flood control, navigation, water supply, hydroelectric power, environmental restoration, shoreline protection and recreation; inland, coastal and ocean water pollution control, including the Clean Water Act; wetlands protection and enhancement; and certain “small watershed” projects of the National Resources Conservation Service.

On the Senate side, Barbara Boxer (D-Calif.) will continue to chair the Environment and Public Work Committee, a position she assumed following the 2006 elections. According to the Web site of the firm Van Ness Feldman, newly elected Sens. Jeff Merkley (D-Ore.) and Mark Udall (D-Colo.) are being considered for the committee, although formal membership must wait until all Senate seats are filled.

INDUSTRY WATCHHouse Introduces $825 Billion Recovery Plan By Jim Rush


Hannam & Krywiak Elected to NASTT Board of Directors

Jamie Hannam, P.Eng, MBA, and Dave Krywiak, P.Eng., have been elected to serve on the NASTT Board of Directors following an election held by letter ballot in December 2008. Read more about NASTT’s new board members in the brief introductions that follow:

Jamie Hannam, P.Eng., MBA, is the manager of engineering and information services for Halifax Water in Nova Scotia,

Canada, where he is responsible for water and wastewater infrastructure master planning, asset management and capital project delivery with an annual capital budget of $30 million. Previously, Hannam worked as the chief engineer with the Halifax Regional Water

Commission from 1994 to 2007. Halifax Water — the first regulated water,

wastewater and stormwater utility in Canada, as well as the largest utility in Atlantic Canada, serving 350,000, with pipes as old as 1856 — has utilized trenchless technologies and NSATT resources as key components of its system rehabilitation program for the past 15 years. Hannam also serves on the Atlantic Committee of the

Great Lakes, St. Lawrence and Atlantic Chapter of NASTT.

Dave Krywiak, P.Eng. is a senior project manager with Stantec Consulting Ltd. in its Edmonton, Alberta, Canada, office. He obtained a bachelor of science degree in civil engineering from the University of Alberta in

1977 and has been employed in the consulting industry since that time.

Many of the projects that Krywiak has been involved with have included significant trenchless technology components, such as

conventional and microtunneling, horizontal directional drilling and cured-in-place pipe relining.

Krywiak is one of the founding members of the Northwest Chapter of NASTT and has served on the chapter board for a number of terms, including a term as the chapter chair.

NASTT salutes outgoing Board Members Ken Chua and Piero Salvo, who will be stepping down after having completed their six-year terms on the NASTT Board of Directors. Chua and Salvo will be formally recognized for their service to NASTT during the Opening Breakfast, March 30, at the International No-Dig Show in Toronto.

It is my distinct honor and pleasure to serve the Society as your new chairman in 2009. I couldn’t be more thankful for this opportunity to work alongside some of the finest people I have ever been associated with. In particular, I wish to thank our past chairman, Piero Salvo, as well as the NASTT Board of Directors for its continued service and dedication.

In 2009, the NASTT leadership group is working hard to increase meaningful deliverables that provide tangible value to NASTT members and to the industry as a whole. I will share with you just a few.

During the week of March 29-April 2, NASTT and ISTT are joining forces to present the International No-Dig Show in Toronto, Ontario, Canada. Since 2001, we have experienced an ever-increasing number

of exhibitors, sponsors and attendees — and this year will be no exception. We expect record-breaking numbers.

Our No-Dig Program Committee has developed a high-quality technical program, outstanding entertainment and networking opportunities, plus a sold-out exhibition hall that will feature cutting-edge innovations and new products for use solely in the trenchless industry.

In addition to No-Dig, NASTT offers a suite of “Good Practices” courses focused on various trenchless methods — pipe bursting, sewer lateral repair, CIPP lining, HDD and new installation methods — all of which are carefully reviewed by the NASTT Education Committee for non-commercialism and consensus-based and comprehensive information.

An Optimistic Outlook for NASTT & the Trenchless Technology Industry

22

Volume 23 No. 2February 2009

Actively Advancing theScience and Practice of

Trenchless Technology for theBenefit of the Public andPrivate Sectors, Industry

and Government

An Affiliate of theInternational Society forTrenchless Technology

NASTT1655 N. Fort Myer Dr.

Suite 700Arlington, VA 22209

Phone: (703) 351-5252Fax: (703) 739-6672

E-mail: [email protected] site: www.nastt.org

OFFICERSChairman

Chris BrahlerTT Technologies

Vice ChairmanGeorge Regula

Public Service Electric & Gas

SecretaryKeith Hanks

City of Los Angeles

TreasurerKaleel Rahaim

Interplastic Corp.

2009 No-Dig Program ChairmanJoe Loiacono

Sanexen Environmental Services

Executive DirectorMichael Willmets

Assistant Executive DirectorAngela Ghosh

By Chris Brahler, 2009 NASTT Chairman


2009 NASTT Officers & Board of Directors

ChairChris Brahler: TT Technologies, Inc.

Vice ChairGeorge Ragula: Public Service Electric & Gas

TreasurerKaleel Rahaim: Interplastic Corp.

SecretaryKeith Hanks: City of Los Angeles

Immediate Past ChairPiero Salvo: WSA Trenchless Consultants

Directors Alan Atalah, Ph.D., P.E.: Bowling Green State University

David Bennett, Ph.D., P.E.: Bennett Trenchless Engineers

Jack Burnam II, P.E. : CH2M Hill

Ben Coté: Sanexen Environmental Services Inc.

George Cowan: Carp-Seca Construction

Tim Dennis, P.Eng.: Regional Municipality of Halton

Mark Hallett: Miller Pipeline Corp.

Jamie Hannam, MBA, P.Eng.: Halifax Water

Tom Hayes: Insituform Technologies Inc.

Jim Hoggatt: South Tahoe Public Utility District

Mark Knight, Ph.D., P.E.: University of Waterloo

Dave Krywiak, P.Eng.: Stantec Consulting Ltd.

Dan Liotti, P.E.: Midwest Mole

Isabel Tardif, B.Eng., LL.B., M.P.M.: CERIU

Robert H. Westphal: Michels Corp.

Read more about the NASTT Board of Directors at: www.nastt.org/board.html.

23

Upcoming NASTT Conferences, Chapter Events & Training Courses:

Feb. 18-19: HDD Good Practices • Guidelines, Orlando, Fla.

March 29-April 3: International • No-Dig Show, Toronto, Ontario, Canada

March 29: Introduction to • Trenchless Technology Short Course, Toronto, Ontario, Canada

April 1-2: HDD Good Practices • Guidelines Course, Toronto, Ontario, Canada

April 1-2: Pipe Bursting Good • Practices Course, Toronto, Ontario, Canada

April 1-2: Cured-in-Place-Pipe • Good Practices Course - Toronto, Ontario, Canada

April 1-2: Laterals Good • Practices Course - Toronto, Ontario, Canada

April 1-2: New Installation • Methods Good Practices - Toronto, Ontario, Canada

This year, we hope to complete another course for roll-out that will cover all aspects of grouting and coating techniques.

We are also working on a number of new publications, including one on CIPP lining and the other on new installation methods (covering pipe jacking, auger boring, pipe ramming and the pilot tube method) to supplement the Society’s existing courses. NASTT is also making available the newly updated and highly anticipated third edition of the Horizontal Directional Drilling Good Practices Guidelines Manual.

These three publications will be offered to participants of the training courses and will be available for sale on the NASTT Web site in the upcoming months.

Despite a sluggish U.S. economy, I am optimistic about the outlook for the trenchless industry in the coming year. There is an ever-growing need for trenchless technology as a viable solution for solving America’s underground infrastructure problems.

The environmental benefits of trenchless technology will be attractive to those cities that are “going green.” Current research shows that CO

2 emissions are reduced when trenchless methods are used vs. open-cut. This translates to a direct-cost benefit for cities that are facing carbon taxation.

From the green construction aspect to the heightened awareness of infrastructure, trenchless technology looks to play a strong role in 2009 and beyond.

More good news is that NASTT is well-posit ioned to face the challenges that lie ahead. Our industry is made up of quality manufacturers, smart engineers and talented contractors and great municipalities and end users. That’s a winning combination for any industry.

I conclude my repor t by once again expressing my excitement for this oppor tunity to serve as your chairman, and I look forward to the continued growth in our Society and the industry at-large. I may be reached at [email protected].

By Chris Brahler



The world’s largest manufacturer of plastic pipe leads by example.

The example lies in JM Eagle’s commitment to product innovation and in the depth and breadth of its product line. The example lies in the company’s ability to meet its client’s needs, literally, overnight. And the example lies in JM Eagle’s commitment to help alleviate the global water shortage. Such an array of achievements indicates not only that the company sets far-reaching goals, but that the foundation at its core is solid enough to ensure success.

Learning to WalkJM Eagle CEO Walter Wang knows the business from the

ground up because he learned the business from the ground up. After completing his studies at the University of California at Berkeley in 1988, he moved to Taiwan and worked for two years on the Formosa Plastics production lines — making raw materials for computer motherboards before moving to the company’s polyester plant. A post at Formosa’s headquarters took him back to the United States and eventually into a leadership role with JM Mfg., a part of Formosa Plastics that had been formed in the early 1980s with the purchase of eight PVC pipe manufac-turing facilities from the Johns Manville Corp.

In the early part of the 1990s, JM Mfg. began an acceler-ated growth period, spurred in part by increased demand brought on by the Gulf War. To keep up with the rapid growth, the company shifted to a direct sales business model that centralized many of the business functions and allowed closer communication with its customers. The significance of this shift was magnified when, in 1996, JM Mfg. rolled out an Intranet solution to manage customer quotes. The Intranet led to an Internet tool that allowed customers to customize order packages and JM Mfg. began picking up steam throughout the 1990s.

“In the period from 1990 to 2000, we grew 300 percent — all organic growth,” explains Wang. “If the frame is extended from 1990 to 2005, the growth rate is 500 per-cent, or from $200 million to $1 billion.”

In 2005, Wang purchased JM Mfg. and continued the company’s expansion with the 2007 purchase of PW Eagle.

PW Eagle brought with it a different sales model — while JM had grown with inside and direct sales, PW Eagle had a network of sales representatives and the two meshed well. “JM’s mature inside sales system was complemented by PW Eagle’s outside sales experience,” Wang says.

Today, JM Eagle is the leader of the plastic pipe industry not only in terms of volume, but with its wide ranging product offering. “No one equals JM Eagle’s PE and PVC product lines,” says JM Eagle vice president of marketing Neal Gordon. “From gravity sewer pipe on down in terms of size, we offer a full array of plastic pipe products.”

JM Eagle has 23 plants, more than 300 extruders throughout the United States and 2.2 billion lbs of capac-ity. For the customer this means not only the broad rang-ing product lineup mentioned above, but a remarkably accessible one at that. “If needed, we can deliver to the customer overnight with our own trucks,” Gordon adds.

More than anything, though, JM Eagle is an industry leader in innovation. To that end, the company is prepar-ing to roll out the Eagle Loc 900 in early 2009. JM Eagle also was the first to develop technology that automates its mixing systems while much of the industry still measures chemicals by hand; a process that can result in human error. Now its customers enjoy the most consistent pro-duction of pipe in the industry.

Eagle LocTeaming S&B Technical Products’ BullDog joint restraint

technology with JM Eagle pipe products, the Eagle Loc 900 eliminates the need for external joint restraints. BullDog restrains the joint from the inside at installation with technology that has proven effective and reliable in both lab and field tests. The result is a dramatic reduction in installation time and labor costs. “Once the pipe is put together, it cannot be pulled apart,” Wang explains. “This makes the installation process easier and less expensive.”

Eagle Loc 900 pipe is fitted with the BullDog restraint at the factory. Once in the field, the pipe is assembled just as standard PVC pipe would be. The BullDog restraint engages and locks the pipe together with a snap, and when the line is activated and pressurized,

By Greg Thompson

GGlobal Pipe lobal Pipe SolutionsSolutions

By Greg Thompson

JM Eagle Leads the Industry from the Ground Up



the restraint becomes even stronger. Since the BullDog is encased in plastic pipe, it is kept safely away from corrosive soils, solving the corrosion problem that can plague external joint restraints. Inside the pipe, the BullDog sits behind a gasket, which keeps it away from the fluid in the pipe. Protected on both sides, the joint restraint is designed for long-term integrity and depend-able flow rates.

“Eagle Loc 900 conforms to all industry standards,” Wang adds. “These include AWWA C900, ASTM D1784 and UNI-B-13.”

Reaching PeopleIn addition to its place as the industry leader in product

and innovation, JM Eagle is a trailblazer in its mission to address an audience beyond the industry. During the 2008 Beijing Olympics, the company debuted a 30-second com-mercial about the role of water and the importance of transporting it on NBC Sports networks, including spots on NBC, USA, CNBC and MSNBC.

Reaching out to the general public in such a way repre-sents a bold step in shifting the public awareness to issues of infrastructure construction and rehabilitation. “When

you’re the market leader, you have a responsibility to move the dialogue,” Wang explains. “A lot of the modern conveniences we have are taken for granted until they fail, so people may not be aware of these concerns.”

Wang points out that reaching the public is as impor-tant, though in a different way, than reaching the industry. Reaching the industry involves making engineers and contractors aware of specific products that can be used for a project. Reaching the public plays a role in helping to support the funding of those projects. Raising public awareness is good for all involved.

“It is critically important to know what we’re building our infrastructure with,” Wang says. “It’s important to know what we’re using to build our future.”

Teach a Man to FishIn addition to its commitment to a quality product, JM Eagle

is committed to taking aspects of its business and reinvesting them in areas where it might make a difference in the world. “We are trying to drive sensitivity to global issues, such as water infrastructure,” Wang explains. In addition to educating both the public and the industry, moving the dialogue forward has benefited developing nations.

CEO Walter Wang stands with members of the JM Eagle team outside their new headquarters in Los Angeles.


the foundation upon which JM Eagle built its leadership. And it is that foundation that springboards JM Eagle into the future.

“We wanted to make sure the foun-dation was strong,” Wang says. “We

wanted to make sure we learned to walk before we ran.”

Greg Thompson is an assistant editor of Trenchless Technology.

“In Africa, for example, we sup-plied 110 km of PVC pipe in order to bring potable water to Senegal,” Wang says.

As part of that initiative, JM Eagle donated resources to and worked with the Millennium Villages Project to install 68 miles of infrastructure, connecting 11,000 people in 53 Senegalese villages. The company donated approximately $1 million in prod-uct to the project.

“The Millennium Project is about providing the necessary infrastructure for economic devel-opment,” Gordon adds. “There are other elements as well — educa-tional elements for example — that are far-reaching and differ-ence-making.”

Gordon recalls visiting one of the villages on the morning the water line was turned on. The group with whom he had traveled entered the village and the village elders approached them to offer thanks. “It was incredibly moving,” Gordon says. “One of the elders said to us: ‘A child cannot dance unless the mother can dance. Now that we have water, the whole vil-lage can dance.’”

But just writing checks and ship-ping pipe is not enough for Wang. “Charity is difficult — money doesn’t last,” he says. “We would rather give them the technology to produce the pipe for themselves and for their neighbors.”

A Foundation Set for the Future

Under Walter Wang’s leadership, JM Eagle has grown into the glob-al leader in plastic pipe. The com-pany reflects his dedication to excellence, not only in business, but as a global citizen. As impres-sive as JM Eagle’s innovative approach to product develop-ment and customer service is its commitment to the world at large. The story of its success comes back to Wang’s insistence that he learn the business from the ground up. In so doing, he laid





Oh, Canada!The 2009 International No-Dig

Conference and Exhibition Heads to Toronto By Pam Stask

TM



Mark your calendars and get ready for the 2009 International No-Dig Conference and Exhibition, March 29 to April 3 at the Sheraton Centre in Toronto, Ontario, Canada.

Sponsored by the International Society of Trenchless Technology (ISTT) and the North American Society of Trenchless Technology (NASTT), No-Dig is the largest conference and trade show in North America dedicated solely to promoting trenchless technology. With a packed exhibit hall, insightful educational seminars and plenty of opportunities to network with others, No-Dig 2009 is the must-attend event for any trenchless professional this year.

More than 1,000 municipal personnel, engineers, consultants, contractors and academia from across the globe are set to attend the event that promotes and showcases businesses, products and education in the trenchless industry. More than 100 exhibitors will be on hand in the 50,000-sq ft exhibit hall to discuss their products and new technologies. Attendees can leisurely explore the exhibits and discover the latest products on the market. With professionals exhibiting from around the world, attendees have the opportunity to pick their brains about the newest trenchless products, methods and projects through one-on-one interaction.

Along with the exhibit hall, the No-Dig technical paper program is also an important part of the event’s curriculum. The program, which was developed by NASTT members, highlights more than 100 papers focusing on a variety of trenchless topics including microtunneling, inspection and locating, condition assessment and pipe jacking, just to name a few. Attendees can choose among what peer-reviewed paper presentations they want to see. The papers are evaluated based on relevance, usefulness and non-commercialism. The No-Dig papers are presented in a 5-track schedule, grouped mostly by subject matter, so visitors can choose to attend five paper presentations at any given time.

Pre- and post- conference seminars are also available for attendees at an additional cost. On Sunday, March 29 an Intro to Trenchless Technology Short Course — New Construction Techniques & Rehabilitation Methods will take place. This course is designed to accommodate to both newcomers to the industry and those looking to brush up on trenchless technology methods.

On April 1 and 2, ISTT will be offering its course “The Rehabilitation of Pressure Pipelines Using Trenchless Renovation Technologies — Key Design & Selection Issues.” This course, which is taught by ISTT chairman Dec Downey, will focus on managing and renewing aging pressure pipeline networks.

Also on April 1 and 2, the Horizontal Directional Drilling (HDD) Good Practices Guidelines Course is scheduled. Attendees will receive an in-depth overview of HDD covering five different topics. Other courses include the NASTT Sewer Laterals Rehabilitation & Replacement Good Practices Course, NASTT Cured-in-Place-Pipe (CIPP) Good Practices Course, NASTT Pipe Bursting Good Practices, the NASSCO Pipeline Assessment Certification Program (PACP) and the NASSCO Manhole Assessment and Certification Program (MACP).

Mixing Work and Play Although the No-Dig

Conference and Exhibition is a means of promoting trenchless business and education, there’s also plenty of fun and engaging networking opportunities for participants to enjoy. From a day trip to Niagara Falls to an annual a u c t i o n , attendees and exhibitors have ample opportunities mix in a little pleasure with business.

On Sunday, March 30, No-Dig attendees can sneak away before the show starts and tour one of Canada’s biggest attractions — Niagara Falls. During this trip, participants will get to experience Niagara Falls through unique events including an up-close tour behind the Canadian Horseshoe Falls and a winery tour and tasting at one of the many award-winning wineries the area has to offer.

The Conference and Exhibition commence with the No-Dig Kick-off Breakfast on Monday, March 30. During this event, the presentation of Trenchless Technology’s 2009 Person of the Year award will be made. The winner of this honor will be revealed in the March issue of Trenchless Technology. The 2008 Outstanding Papers in Rehabilitation and New Installation special awards will also be announced and distributed. Comedian Glen Foster, also known as “That Canadian Guy,” is scheduled to perform at the breakfast. Foster has been a popular fixture in the Canadian comedy scene for the past 25 years.

Later that day, the NASTT Eighth Annual Educational Fund Auction is scheduled. At this yearly event, participants can mingle with others and bid on items — all while supporting a good cause. Since 2001, the annual auctions have contributed more than $230,000 to the Educational Fund — supporting student chapters, target research, training modules and other student activities. Past items for bid have included trips, electronics, Major League Baseball tickets, women’s jewelry and trenchless products.

On Tuesday evening, March 30, NASTT will be hosting its No-Dig Gala Awards Dinner. During this popular event, trenchless industry personnel have the opportunity to network with others, while enjoying food and live entertainment. At the Gala Awards Dinner, the winners, runners up and honorable mentions of the Trenchless Technology 2008 Projects of the Year in Rehabilitation and New Installation will be recognized in a special awards ceremony.

To round out the annual No-Dig festivities, a Closing Luncheon & Entertainment is set for Wednesday, March 31. Here, participants can enjoy lunch, entertainment and say farewell to fellow industry professionals before heading home. Ira Blumenthal, a business development expert, is the guest speaker for the event. Blumenthal has been featured in numerous media outlets including The Wall Street Journal, USA Today and CNN.

Don’t Miss Out! For more information about the event or to register

online, visit www.nodigshow.com or contact Benjamin Media Inc. at (330) 467-7588.

Pam Stask is an assistant editor of Trenchless Technology.

attendees at an additional cost. On SuInIntrtroo toto T Trerencnchlhlesesss TeTechchnonolologygy S ShohorrConstruction Techniques & Rehabilitatake place. This course is designed toboth newcomers to the industry andbrbrusushh upup o onn trtrenenchchlelessss t tecechnhnolologogyy meme

On April 1 and 2, ISTT will be offerRehabilitation of Pressure PipelinesRenovation Technologies — Key DI ”Thi hi h i h b

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Acuro Inc. Acuro Inc. is proud to introduce two

new technologies for the water main reha-bilitation market: The first NSF-61 thermo-

set spray-on s t r u c t u r a l p o ly m e r i c resin, and the CARE ( C l e a n -A s s e s s -Rehabilitate) strategy for the trench-less rehabili-tation of p o t a b l e

water mains. Using an electromagnetic probe, CARE can provide, on site, the wall thickness loss of the water main and thus the true level of rehabilitation needed (i.e. non-, semi- or fully-structural).

Air-SpadeThe Air-spade 2000 excavation tool

turns compressed air into a high-speed, laser-like jet moving at twice the speed of sound — Mach 2. Utility and construction workers worldwide use the Air-spade for utility locating and repair, keyholing,

potholing for line loca-tion, crack, joint and valve box cleaning and roadwork. When com-pressed air is directed into soil at close range, it fractures the soil but leaves stronger non-porous materials such as metal or plastic pipes, cables or even tree roots unaffected, making the Air-spade the perfect const ruct ion/ut i l i ty tool.

Akkerman Inc. Akkerman Inc.’s 4812 Guided Boring

Machine (GBM) system has evolved in design and function to meet the growing demands of customers. The 4812A jack-ing frame can jack pipe lengths up to 2 m with a maximum OD of 48 in. The 4812 system features longer, dual-wall pilot tubes and augers and casings to increase productivity. The pilot tubes, casing and augers and pipe lengths are advanced through a single and continu-ous hydraulic action and the guide rails are low for ease of operation.

American Augers American Augers is proud to offer the

rack-and-pinion DD-440T, which is the largest track-mounted horizontal directional drill on the market today with a field-proven 440,000 lbs of thrust/pullback. The DD-440T’s standard design incorporates the Quiet Pak noise reduction system, which reduces the Caterpillar

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Circle 20 on reader service card Circle 21 on reader service card


C-15 540 HP, diesel engine decibel output to 88 d(B)A at a 7-m range. The state-of-the-art rotary system includes a three pinion-and-gear drive that permits 60,000 ft-lbs of maximum rotary torque, a rear-mounted mud swivel that provides up to 1,000 gpm of mud flow, a 6 5/8 in. slip spindle and a 4-in. fluid course.

AmeronAmeron offers segmental section, gasket

joint, Bondstrand fiberglass-reinforced polymer mortar pipe (RPMP) for live sliplining rehabilitation of deteriorated sanitary sewers, often performed without the need for expensive bypassing. This corrosion-resistant, strong, durable, leak-free pipe meets or exceeds applicable

ASTM standards and is designed to provide a structural repair to the host conduit. The pipe is available in round and non-round shapes such as oval, egg, arch and elliptical.

AOC ResinsVipel resins from AOC deliver long-term

durability and corrosion resistance to sev-eral trenchless technologies. Repair of the huge sewer system below Charleston, S.C., included polymer concrete access shafts that U.S. Composite Pipe made with Vipel technology. Channeline

International Ltd., based in Dubai, used Vipel resins to mold composite liner pan-els for 70-year-old sewers in Los Angeles.

AP/M PermaformAction Products Marketing Corp. (AP/M

Permaform) offers a wide selection of solutions to ensure the highest-qual-ity products and ser-vices available on the market today. For the renewal and recon-struction of sewer manholes and similar substructures such as wet wells, lift stations and catch basins. AP/M Permaform manufactures corrosion-resistant, 100 percent solids pro-tective epoxies and concrete structural mor-tars and grouts. These products can be easily applied with the company’s patented Bi-Directional spincaster, where 90 percent of the work is done safely from the street. AP/M works with both certified applicators, as well as municipalities to prevent and reduce water inflow and infiltration through-out the sanitary sewer collection system.

Avertex Utility Solutions Inc. AVERTEX Utility Solutions Inc. is an

underground utility contractor specializ-ing in trenchless plowing of single-circuit,

At Capital Sewer Services Inc., our mission is simply to:

“Provide innovative solutions to underground infrastructure problems incorporating leading edge technology in a safe,

economical, professional manner”.

At Capital, we pride ourselves on offering a complete “one stop shop” approach to our clients infrastructure needs. We strive to provide a high quality product effi ciently, safely and as cost effectively as possible. This commitment to excellence keeps Capital on the cutting edge of technology and performance.

Capital offer the following services:

Cured in Place Lining of Mainline SewersLateral Service Connection CIPP Lining

CLS Lateral Connection LiningManhole Rehabilitation

Large Diameter GRP Grouted in Place Panel LiningCCTV Inspection

Cleaning and ReamingCommercial Drain cleaning and maintenance

For more information contact

Capital Sewer Services Inc389 Kenora Ave

HamiltonOntario, L8E 2W3

Phone – 1877-536-3002Email - [email protected]

Web - www.capitalpipe.com


Circle 23 on reader service cardCircle 22 on reader service card


underground high-voltage cables (three cables in triangular formation sand encased). This is a new patented process to date used on wind turbine farms for install-ing underground collector cables.

Baroid Industrial Drilling ProductsBarotherm Max thermally conductive

grout is designed for use in the grouting of boreholes containing ground source heat

loops. Barotherm Max pumpable grout yields a

material with thermal conductivity (TC) val-ues ranging between 1.1 and 1.6 BTU/hr•ft•ºF (1.9 and 2.77

Wa t t s / m e t e r • º C ) . Barotherm Max grout

does not require the addition of silica sand to attain the desired thermal conductivity values and does not contain any polymeric additives.

BKP Berolina Polyester Berolina-Liner-System is a UV-light curing,

glass-fiber reinforced relining system for the trenchless renovation of pipes. The produc-

tion range is from DN 6 in. up to DN 40 in. including oval-form or other profiles. BKP offers the highest mechanical properties in the market of GRP-CIPP. The production is carried out in accordance with DIN EN ISO 9001:2000 and supervised by German TÜV. Flexible pipe relining with UV-light is an efficient, energy-saving and reasonably priced method for the (non-) structural rehabilita-tion of pipes.

Channeline International Channeline International, manufacturer

of rigid structural GRP sewer liners, will be releasing details of its new circular and non-circular gasketed slipline product — Channeline SL.

The SL product incorporates an in-line, high-strength joint that is capable of

withstanding high jacking loads and when combined with a specially designed silicon filled rollover EPDM gasket, enables liner sections of the new product to be lowered into a jacking pit and simultaneously jointed and jacked into position in the host pipe without the need for any man entry operations.

Con-ShieldCon-Shield is a revolutionary additive

for concrete that stops the corrosion from hydrogen sulfide. (MIC) microbio-logical-induced corrosion is the most common source of corrosion in concrete in the sanitary sewers. Cities are quick to




realize that precast pipe and manholes with Con-Shield added have protection throughout the total cross section. Con-Shield is neither a surface treatment nor a coating that can wear off, wash off, delaminate or peel. Con-Shield is molecularly bonded to each cement particle. If the interior is damaged or eroded, the protection is still intact.

Cosmic Tophat LLCCosmic Tophat LLC is a specialty com-

pany that provides service with solutions in the rehabilitation world. Cosmic offers many systems that include the Eliminator, a robotic self–propelled electric cutter with camera; the Quick Seal, a 4-ft internal spot repair-UV-cured glass fiber compos-

ite in 7 min from 6 to 20 in. pipes; and the only proven UV-cured Tophat system, a sewer house connection sealing system, with more than 50,000 hats installed world wide.

CT Zoom TechnologiesCTZoom Technologies’ new StaffCam rep-

resents the latest in advanced handheld tele-scopic pole camera systems. It is a heavy-duty, watertight, easy-to-use multipurpose color 36X zoom camera that can serve clients’ infra-structure inspection needs.

The StaffCam can be mounted on a tele-scopic pole to conduct video inspections of a wide range of underground or above-ground facilities. It comes with a choice of several options and lengths of cable, as well as a pole mount, storage case, nitrogen kit, infrared light assembly, LCD color monitor and 60 GB to 320 GB of file storage space, with a USB slot for easy downloading.

Derrick Equipment Co. Derrick Equipment Co. presents the 20-ft

Modular Separation System with a versatile Platform Strategy for various civil engineer-

ing applications including horizontal drill-ing rigs, microtunneling systems and slurry wall millings.An integrated base tank with centrifugal pumps for feeding hydrocy-clones accommodates a complete slurry separation system for a wide range of ground conditions.

Digital Control Inc. Digital Control Inc.’s DigiTrak F2 is the first

3-D field view directional drilling locating system with a single button user interface and graphically driven menu. The system consists of a handheld receiver, a transmitter, a remote display, a battery charger and rechargeable lithium-ion batteries to power the receiver and remote display.


Ditch WitchThe Ditch Witch organization has added

three systems to the pipe replacement mar-ket family of trenchless equipment. The Ditch Witch PR50, PR75, and PR95 pipe bursting systems are designed to fracture or cut most types of existing pipe — water, sewer or utility — and pull in new pipe with 50, 75 or 95 tons of pullback force, respectively. Advantages of these new pipe bursting systems include outstanding dura-bility, simplicity of operation, productivity

and the ability to easily and efficiently cut or fracture most types of pipe such as clay, PVC, steel, ductile iron and cast-iron pipe and pull in new pipe that’s even larger than

the original — all with minimal disturbance to the surroundings.

Echologics Engineering Inc.Echologics’ LeakFinderRT finds the leaks

other correlators can’t. LeakFinderRT employs major advances in leak noise corre-lation technology for the non-invasive detec-tion of leaks in water pipelines. In the field,

LeakFinderRT has consistently demonstrated superior performance, including on PVC and larger diameter pipes. Exceptional ease-of-use and customer support leads to increased leak detection success and reduced down-time. Due to its PC-based configuration, LeakFinderRT has the lowest overall cost of any comparable system.

FormadrainFormadrain LMC (Lateral — Main —

Connection) is a system that allows repair-ing T and Y sewer connections from 4-4 in. up to 24-8 in. The apparatus shown is a 6- by 2.5-in. one-piece inflatable rubber T-shaped tube that, once inflated, will be used to line

(seal and structurally repair) a 10- to 4-in. T sewer connection. Three access points are required (two manholes and one cleanout, inside or outside the building). This equip-ment, manufactured only by Formadrain, assures a high-quality repair by using steam. Materials include fiberglass, polyethylene sheeting and epoxy, which allow durable, fast and easy repairs.

Godwin Pumps Godwin Pumps is pleased to offer

Critically Silenced enclosures on each of its CD and HL Dri-Prime pump models. Constructed from 14-gauge galvannealed

34 TRENCHLESS TECHNOLOGY February 2009 www.trenchlessonline.comCircle 26 on reader service card


sheet metal lined with 1- and 2-in. layers of polydamp acoustical sound-deadening material, the Critically Silenced enclosure reduces operating noise levels below 69 dBA at 30 ft — perfect for use in residential areas where noise must be kept to a mini-mum. In addition, a critical grade silenced muffler, silenced priming exhaust and engine vibration isolation further reduce operating noise.

HammerHeadHammerHead Trenchless Equipment

announces the release of the Catamount easy-start piercing tool, a breakthrough design concept in pneumatic piercing tool technology. The new 2.5-, 3- and 4.375-in. tools feature “Smart Head” technology, which

eliminates the need for a mechanical spring, a common source of failure in many tool designs. Its design also allows easy starting regardless of air pressure level. Reciprocating heads increase production in tough conditions

but have a tendency to swim in softer, sandi-er soils. The new Catamount Smart Head design takes full advantage of reciprocating head technology by increasing production in both tough and softer soils while dramati-cally reducing tool swim at any operating pressure.

HOBAS

HOBAS centrifugally cast, fiberglass-rein-forced, polymer mortar pipe is used by many municipalities as they strive to enlarge and maintain their infrastructures. For mainte-nance applications, HOBAS pipe’s high strength-to-weight ratio, smooth surface and flush, push-together joints are ideal for slip-

lining. Its hydraulic characteristics and thin-wall construction provide maximum flow

recovery. High-compressive strength enables longer pushes. Standard 20-ft long pipe sec-tions enable faster installation. HOBAS pipe is inherently corrosion resistant and lasts 100 years or more.

HTS Inc. HTS Inc. is a materials testing and consult-

ing firm specializing in the testing of cured-in-place vinyl ester, polyester and epoxy res-ins, geosynthet-ics and infra-structure con-struction materi-als. HTS material testing laborato-ries are fully accredited by the American Association for L a b o r a t o r y Accreditation (A2LA) in accor-dance with the International Organization for Standardization (ISO/IEC) General Requirement 17025 and the Geosynthetics Accreditation Institute-Laboratory Accreditation Program (GAI/LAP) under the auspices of the Geosynthetics Accreditation Institute.

www.trenchlessonline.com


February 2009 TRENCHLESS TECHNOLOGY 35




Icon Equipment Icon Equipment Distributors is a U.S.

manufacturer of one of the most versa-tile and durable modular aluminum trench box systems on the market today. The ICON-O-LITE Aluminum Box System offers contractors an alternative to heavy

steel trench boxes. This lightweight and compact system can be easily transported in the back of a pickup, assembled and disassembled on a construction site with two laborers. The panels are available in lengths of 3 to 12 ft long and have a wall thickness of 2.5 in. Icon is the only manu-facturer in the country to integrate a steel pull bar with the aluminum design.

Insituform Technologies Since its inception in the early 1970s,

Insituform has been dedicated to the

non-disruptive renewal of underground sanitary and storm sewers. Specializing in the trenchless rehabilitation of under-ground infrastructure, Insituform also offers products for potable water and industrial pipelines.

Insituform’s latest offerings include new services for sanitary and storm sewer collection systems. Its advanced iPlus Composite CIPP, suitable for medi-um- to large-diameter pipelines, is rein-forced with carbon or glass fibers to provide added strength and stiffness.

Jack Doheny Supplies Jack Doheny Supplies is proud to intro-

duce its Remanufacturing Center. This remanufacturing center specializes in revamping and updating existing trucks putting them back in service with new machine warranties. Jack Doheny

Supplies’ reman process is backed with more than 50 years of experience. With money being tight, the company can rebuild and recertify your machine mak-ing it as good as new. Its Tool box is stocked with Hydro-Excavation tools, air, water and vacuum.

LMKT-Liner Shorty is a CIPP connection sys-

tem designed for those municipal agencies that continue to struggle with I&I and root intrusion issues at the main to lateral con-nection, accompanied with the legal issues


both systems setting the standard by which all others are measured. The Easy Locater is configured to be a real-time locating device. Its design and functional-ity have made the system very affordable and user-friendly.

The X3M is a compact modular GPR control unit that can be integrated with shielded antennas ranging in frequencies from 100 to 800 MHz.

MearsMears is one of the largest horizon-

tal directional drilling contractors in the world with a f leet of 28 small, mid-size and large drilling rigs with up to 1.1 million lbs of pullback that can install pipe up to 60 in. in diam-

eter and up to 8,000 ft in length. Mears has recently acquired a 1 million-lb

of working on private laterals. T-Liner Shorty provides a 16-in. mainline tube that renews the structural integrity of the connection while simultaneously lining 3 ft up the lat-eral pipe. The mainline sheet is wrapped with four water activated hydrophilic O-rings. These O-rings swell in the presence of water and make a compression gasket seal between the host pipe and the new structural main/lateral connection and pro-vide a verifiable non-leaking connection.

Logiball Inc.

For 25 years, Logiball has designed and manufactured equipment for the trench-less rehabilitation of sewers. Over the years, Logiball has developed a complete line of mainline, lateral connection and push type test and seal grouting packers,

multi-size inflatable test and b y p a s s p l u g s , s p e c i a l -ized car-rier pack-ers for different p o i n t repair sys-tems and e q u i p -ment for

the maintenance and rehabilitation of col-lections systems.

Over the years, Logiball has forged an envi-able reputation for the quality of its equip-ment and innovative solutions within the wastewater collection system industry.

Mala GeoScience MALA leads the ground penetrating

radar market in development of low-cost, easy-to-use systems for utility professionals. MALA’s Easy Locater and the X3M define Mala’s status as an industry leader with







rig featuring a state-of-the-art automated pipe loader, innovative safety features, stream-lined mobilization and an advanced sound suppression system.

Miller Pipeline Corp.WEKO-SEAL is the leading trenchless

system for internally and economically renewing leaking joints in water, wastewater, natural gas and industrial piping 16 up through 216 in. and larger.

The WEKO-SEAL is a f lexible rubber leak clamp that ensures a non-corrodible, bottle-tight seal pipe-joint area. Its unique design incorporates a series of pro-prietary lip seals that create a leak-proof fit on either

side of the joint. Seals are installed internally with up to 2,000 ft between access points, WEKO-SEAL technology can be utilized in square, rectangular, round and elliptical pipe.

Mission Clay ProductsNO-DIG Vitrified Clay Jacking Pipe is

manufactured in Pittsburg, Kan., by Mission Clay Products. This gravity flow sewer pipe has been used for slurry microtunneling, pilot tube microtunneling

(GBM), static pipe bursting and sliplining casing pipe.This vitrified clay pipe is manufactured from 100 percent natural materials — a blend of clays, shales and slate. NO-DIG is manufactured with a Precision Ground Joint, a Polyisoprene, EPDM, or Nitrile Elastomer Gasket and a Series 316 Stainless Steel collar. Chipboard compression rings, for axial load transfer during installation, are supplied and used at each joint.

North American Lining Systems Inc. Formerly Pacific Multilining Inc., North

American Lining Systems Inc. offers steam-cured liners ranging in size from 6 to 48 in. and UV-cured liners from 6 to 42 in. The com-pany provides full training and a full specifi-cation package. These liners are North American built, fiberglass-reinforced and works with most light trains. They also con-form to ASTM F 2019-03.

Nu Flow Nu Flow’s epoxy coating systems have

been used in military, industrial, commer-cial and residential projects. The process is safe, quick and permanent. Epoxy coatings eliminate the need for reconstruction and occupant displacement, saving clients time and money. Epoxy coatings are primarily

used for potable water system rehabilita-tion but can be used for virtually any type of piping system.

Pure TechnologiesSmartBall is used for detecting and pin-

pointing leaks and air pockets in large diameter water and wastewater pipelines. The leak detection system is intended for use in water transmission mains or waste-water force mains constructed of a variety of materials such as steel, ductile iron, con-crete, PVC, asbestos, etc., with diameters

greater than 10 in. The design of the un-tethered sensor will allow the surveying of many miles of pipeline by providing the capability of passing through existing valves, appurtenances, sharp bends and changing pipe diameters.

Rain for Rent Rain for Rent’s established line of high-

efficiency pumps has produced the latest innovation in high flow engineering — the DV300c. With a remarkable flow rate up to 10,000 gpm, the 12-in. DV300c Power Prime Pump produces total dynam-ic head to 170 ft and handles 3-in. solids with a semi-enclosed impeller.


meet exacting specifications manufac-tured by a pioneer in CIPP technology and epoxy resins are stronger, safer and clean-er than styrene-laden alternatives.

SanexenAqua-Pipe is a structural, stand alone,

cured-in-place liner designed for the structural rehabilitation of 6- to 12-in. water mains. Developed by Sanexen, Aqua-Pipe is certified by NSF to standard NSF/ANSI 61 and is designed to meet Specifically designed to meet the needs of

high flow applications, including bypass jobs, the DV300c provides superior perfor-mance operating at 80 percent efficiency. The low operational cost of the fuel efficient DV300c offers the best in high- flow pump-ing and high fuel savings.

Reline AmericaReline America’s Blue-Tek cured-in-place pipe system is built on a small truck chassis and designed for easement operations but still gives the versatility for the larger “on-the-

street” installations. The curing truck is equipped with the latest curing system, which includes a 500-ft cable reel (upgradeable to 1,000 ft) and a portable control unit that boasts an integrated touch-screen panel. This touch-screen panel is the nerve center for the newest version of the Quality-Tracker System that documents every foot of the curing pro-cess on a tamper-proof computer file.

RS LiningRS Lining Systems brings CityLiner, the

world’s premier mobile cured-in-place pipe (CIPP) technology, providing every-thing customers need to rehabilitate municipal piping systems. Its specifically designed mobile system allows customers to control all aspects of liner preparation and installation ensuring consistent quality of high-performance liners. It also features

computer-controlled and monitored top quality equipment. Liners are designed to

www.trenchlessonline.comCircle 37 on reader service card





the ASTM F1216 and ASTM F1742 guide-lines. This technology allowing for a water main trenchless rehabilitation is an economical and viable alternative to traditional open cut. The service connec-tions are reinstated from within using robotic equipment, eliminating the need to excavate in front of every house.

SekisuiSekisui-SPR 2009 will be introducing prov-

en technology new to the United States. This includes products that renew any shape host pipe with either PVC or HDPE. Sizes range from 6- to 180-ft horizontal, vertical, struc-tural and non-structural applications. Sekisui

offers more products and more solutions for the professional in trenchless technology.

TT Technologies Burst and replace water, sewer, gas and

other pipes with the Grundoburst static pipe bursting system. The Grundoburst can pull in a variety of replacement pipe

including PVC, DIP, ABS, cast iron no hub soil pipe, cast iron bell and spigot soil pipe, fusion welded HDPE and VCP jacking pipe.

Pulled by a hydraulic bursting unit, the cutter head’s special cutting wheels split the host pipe. This system makes bursting ductile iron and steel pipe possible. In

addition, several cutter head configurations are available for splitting VCP, PVC, ACP, cast iron and more.

Underground Solutions Inc. Underground Solutions Inc.’s Fusible PVC

products, including Fusible C-900, Fusible C-905 and FPVC, contain a proprietary PVC formulation that, when combined with UGSI’s patented fusion process, results in a monolithic, fully-restrained, gasket-free, leak-free piping system. Fusible C-900, Fusible

C-905 and Fusible PVC are NSF-61 certified and cover a full range of piping diameters from 3 in. to 36 in. and provide the only avail-able method of installing a continuous, monolithic, gasket-free PVC pipe capable of being used in numerous trenchless or con-ventional open-cut applications.

Underground Tools Inc. Underground Tools, Inc., a nationwide

distributor of the HIWS Version I and II drill stems, offers a wide range of downhole HDD tools as well. With a complete inventory in




stock, these products are available on demand. UTI features DirtSmart customer service where technical questions are answered by the industry’s most knowledgeable technical support team.

Utilicor Technologies Inc.Utilicor Technologies Inc. is the exclusive

manufacturer and distributor of the field-proven pavement coring and reinstatement system which combines purpose built key-hole coring equipment with Utilibond, a proprietary keyhole core-bonding com-pound, that has been specifically developed for the permanent reinstatement of cored pavement coupons (“keyholes”) in all types of paved roads and sidewalks.

The process results in reduced inconve-nience to the traveling public, substantial savings for the utility or contractor, and a roadway that has been repaired to its origi-nal design characteristics.

Vermeer Corp.Vermeer Corp. is a leader in trenchless job

performance and innovative technological advances. Its equipment and accessories

have proven effective on the toughest test-ing grounds available — work sites through-out the world. The Vermeer NAVIGATOR line of horizontal directional drills and drilling units is ideal for underground installation of all types of utilities — gas, electric, water, telecommunication or soil remediation lines — without excavation or trenching.

VMT The VMT GmbH — the company for

tunnel information and navigation systems, was founded 1994 to supply tailor-made solutions, services, navigation and

monitoring systems to the tunnelling industry. Development of specific systems for the guidance of tunnel boring machines in segmentally lined and pipe jacked tunnels and as well for conventional tunnelling has been the major aspect of product development to date. Sales and

rental of this equipment around the world has established VMT as a leading survey technology supply company.

In addition to the development and sale of tunnel guidance systems, VMT also offers classical survey services from the simple to the very specialized. These extend from axis and shaft set-out, through control measurements of any kind up to highly accurate quality control of large steel structures.



HDPE and PVC pipe aren’t just two kinds of pipe. Shown above are corrugated HDPE (left) and fusible PVC (right) but there are several products available within each pipe’s line to meet a variety of trenchless applications.

1. In a Trenchless Technology survey published in August 2008, PVC and HDPE were the top choices in pipe selections in various categories. Why are PVC and HDPE popular choices for trenchless applications?

ML: The popularity of PVC and HDPE stems from the first selection factor — these materials are inherently well suited for buried wastewater and water pipe applications. Both are easy to work with and install. However, it is important to rec-ognize that PVC and HDPE are not the same. HDPE is a softer, more bendable plas-

tic, making HDPE pipe more suitable for lower pressure and tight bending radius situations. On the other hand, PVC is a much stronger and stiffer material, which is why PVC pipes are more widely used for direct burial and trenchless installations. PVC pipes require longer bending radii, but also considerably less material to achieve or meet desired strength levels. PVC pipes are stiff enough to permit their direct connection to mechanical valves, non-plastic fittings and various other water and wastewater appurtenances. HDPE pipes are softer and require stiffening rings or other adapters in order to make proper

connections. A recent AwwaRF-funded study has confirmed that PVC pipes are resistant to gasoline permeation, as well as permeation by other generally known hydrocarbon contaminants at concentra-tions normally encountered. All of these factors affect the selection and popularity of PVC and HDPE pipes.

TR: Because of its flexibility and durability, HDPE pipe has been the material of choice for trenchless installation practices almost since the technology first appeared in the mid- to late-1960s. Furthermore, since a fused joint produces a monolithic pipe

PVC and HDPE pipe are inarguably the two most popular pipes used in underground construction. In a Trenchless Technology survey published in

our August issue in 2008, we polled sewer system operators and consulting engineers from around the United States about their pipe choices. The results showed that HDPE and PVC finished either No.1 or No. 2 in most categories. Both types of pipe have their strengths and weaknesses and appeal to many

contractors and project owners due to their expansive reach in applications. We wanted to know more so we contacted their respective pipe associations for more information. Interim Uni-Bell PVC Pipe Association executive director Michael Luckenbill and Plastic Pipe Institute executive director Tony Radoszewski were kind enough to respond to our questions. The entire interview appears on our Web site at www.trenchlessonline.com.

STATING THEIR CASE:

PVCPVC vs.vs. HDPEHDPEBy Sharon M. Bueno


string, the ability to pull long lengths and use all trenchless installation practices including HDD, sliplining and pipe burst-ing favors the use of HDPE pipe. Since HDPE pipe has enjoyed such a long acceptance in trenchless applications, there has been significant research and studies to provide the design engineer and contractor confidence in application and installation. As an example, there are several documents available for the design and installation of polyethylene pipe by directional drilling. The first document is an ASCE Manual of Practice (108). Another is ASTM standard F1962, which gives detailed design formulas (including acknowledgement of the fused joint) for a directional drill with polyeth-ylene pipe. The Plastics Pipe Institute’s Handbook of PE Pipe also contains mul-tiple chapters on directional drilling and sliplining and the second edition of the PPI handbook, which will be published in February, will include a full chapter on pipe bursting. Another fundamental reason why HDPE pipe is so widely preferred for trenchless applications is that it has the strength to handle this demanding installation prac-tice. Since HDPE pipe is extremely tough it can withstand the rigorous trenchless installation process and is not affected by scratches and gouges (10 percent of the pipe wall) that are certain to occur. Other materials are more sensitive to this type of damage which will cause prema-ture failure of the piping system. HDPE pipes have the physical properties to handle large pulls.

2. With so many choices available, what are the key factors a buyer should consider when purchasing pipe?

TR: Sustainability, service life and lifetime costs — this is the triple bottom line that today’s design engineer needs to address. Is it the best choice for the environment in terms of energy costs (carbon footprint) and pro-tection for natural resources? Is it going to last for multiple generations — and then some? What is the total economic cost, including manufacturing, delivery, installa-tion, operation, maintenance and perfor-mance for the owner/operator? HDPE pipe, both pressure and gravity flow, has proven itself around the world as the best material choice for water, sanitary sewer, storm sewer, natural gas distribution, mining, oil and gas gathering, drainage, buried conduit, outfall lines and now even safety systems for nucle-ar power plants. Its inherent resistance to rust and abrasion along with the best joint in both pressure and gravity flow applications has made HDPE pipe the one plastic material used in all underground utilities.

ML: The first and foremost pipe material selection factor is inherent compatibility. Materials whose long-life performance

depends upon linings, coatings, wrappings or cathodic protection should only be used where alternatives are not available. It is far better and more sustainable to use pipes that are inherently well suited for their operating environments, including exposures to con-taminated soils. This has contributed greatly to PVC pipes’ rise to become the most-installed product for new water and waste-water systems. Utilities have acquired a true appreciation of PVC pipes’ low-maintenance, corrosion-free performance and resistance to permeation by hydrocarbons at levels normally encountered.

The next important selection factor is strength. Without sufficient pressure capaci-ty and pipe stiffness, optimal long-lived sus-tainability will be compromised. Pipe wall thickness design must be sufficient to handle all internal and external loadings. This requires proper understanding of a pipe material’s long-term tensile strength and long-term stiffness (modulus of elasticity). In addition, all anticipated loads and stresses must be taken into account. Prudent pipe designs always incorporate an ample safety factor (typically at least 2.0), because unan-ticipated installation and operation stresses can occur over the life of any pipe.

Lastly, installation and installation costs are selection factors. The type or method of installation may preclude the

use of some pipe products and/or joint types. This is certainly true for trench-less installations.

3. What are some of the common mis-conceptions regarding your pipe material? How do you dispel this?

ML: The utilities that are not yet using PVC pipe usually cite insufficient strength and/or stiffness. The facts are that PVC pipes come in a full range of pressure rat-ings/classes and stiffnesses. While the min-imum pipe stiffness of 46 lbs/in./in. for standard strength PVC gravity sewer pipes has proven to be good for burial depths in excess of 40 ft, PVC pipes are available with pipe stiffness values up to 1,019 lbs/in./in. The embedment requirements for PVC water pipe are no different than those for ductile iron pipe. Likewise, while most pressurized water systems operate within a 60- to 120-psi range, PVC pipe pressure ratings/classes go up to 305 psi; with short-term burst pressure minimums as high as 985 psi. Clearly PVC pipes afford more than sufficient strength to handle the full range of sewer and water system operating conditions.

Some utilities are concerned about soil contaminants permeating through plastic water pipes and associated human health





risks. The fact is that PVC pipes provide a barrier to permeation and are not penetrated at contamination concentra-tions normally found. This PVC pipe benefit/protection was recently con-firmed in a research published by AwwaRF. The AWWA Research Foundation study (published in early 2008) determined that PVC has superi-or hydrocarbon permeation resistance to gasoline and BTEX’s in both labora-tory and field study conditions.

TR: That HDPE pipe is not as strong or durable as pipe made from steel or con-crete is a common misconception. Of course this is not the case. HDPE pipe is a truly engineered product designed for specific purposes and long service life. In fact, it has been our experience that when traditional materials cannot handle a specific application either due to aggressive flows, soils or other unique conditions or installation practices demand trenchless techniques, HDPE pipe gets the nod. Our biggest frustration is that we get the most challenging appli-cations but not the bread-and-butter uses such as potable water, sanitary sewer and storm water management applications.

We recognize HDPE pipe, although it has been used for nearly 50 years in the gas industry and more than 40 years in

storm water management systems, is a “new kid on the block,” and we have to continually educate and promote our products to the design and specification community. As a result, our first step is to create a greater awareness to the features and benefits of HDPE pipe. We continue to conduct research, give educational seminars and promote case studies that verify the broad applications HDPE pipe enjoys. Secondly, we have to work on gaining approval by the design and speci-fying firms and agencies to allow engi-neers to employ our products. Lastly, the end user or owner will accept the prod-uct only when they are confident it is the best product for their specific applica-tion or need.

4. How have buying patterns changed over the years?

TR: It’s not so much that buying patterns have changed; rather the mindset in the design community has changed. Designers and owners recognize they can’t contin-ue to operate in the same old way. Although they are still looking for the best product for the application, newer materials and installation practices are giving them greater choices than ever before. With more and more information becoming available and continuous

improvement in plastic pipes, older, traditional materials such as iron and concrete are giving way to newer construction materials. Designers are also becoming more focused on the environment and taking particular interest in preserving natural resources for a growing country. Sustainability and a desire to con-serve energy in every quarter also lend a favorable light to HDPE pipe.

ML: Ever mounting numbers of satisfied water and wastewater customers have kept those as the two primary end-use markets for buried PVC pipes. PVC pipes now also dominate the budding market for reclaimed water pipe. The acceptance and availability of larger PVC pipe diameters has resulted in a trend toward the increased use of larger pipes.

5. How does increasing the awareness and importance of pipe materials help the consumer?

ML: Consumers need to know that there are options when it comes to pipe materials and products. Moreover, within a given material such as PVC, a broad range of product strengths exists that allow for cost-efficient design for almost any situation. Single product or material specifications should be the rare exception and not the rule given these options. As the No. 1 water and wastewater pipe mate-rial, most utilities across the country have come to appreciate the installation and opera-tion benefits that PVC pipes and fittings pro-vide.

TR: “Nobody gets fired for buying IBM,” is an old saying that basically translates to: “Don’t take a risk.” Design engineers take on an awe-some responsibility, much like the Hippocratic Oath of doctors to “First, do no harm.” Recognizing this, we are obligated to provide the highest level of information to ensure engi-neers, specifiers, city officials and end users all know the performance levels of our products. As good as HDPE pipe is, it can not do every-thing. With the American people becoming keenly aware of everyone’s responsibility to be good stewards of the planet and that our under-ground infrastructure is in need of hundreds of billions of dollars in repairs to ensure we have safe, clean water and gas coming to our homes, plastics can and will be leading the charge. HDPE pipe offers low lifecycle costs, high sus-tainability and the best performance attributes. It makes no sense to keep doing the same thing that was done 100 years ago and education is the key to make this change.

Sharon M. Bueno is managing editor of Trenchless Technology.



So much great information was provided to us by the two pipe associations that we couldn’t fit it all in the magazine but we still want our readers to see it. Visit the Trenchless Technology Web site to read the article in its entirety at www.trenchlessonline.com.



From a Turkish perspective, the concept of aging sewer systems is relative. In Turkey, the basic concepts of modern sanitation, including indoor toilets and sewer

pipe systems, date back to at least 764 BCE as evidenced in castles of the Urartu Kingdom. Almost 1,000 years later when Constantine founded Constantinople, the city was engi-neered with Roman cisterns and sewers thereby laying the foundation for one of the greatest cities of the world.

The sanitation systems of Constantinople enabled it to become the largest and wealthiest city of Europe throughout the Middle Ages. Today, Istanbul has become the third largest city in the world with a population of more than 11 million. Like any major global metropolis, Istanbul relies upon its sanitation infrastructure to permit such population concentrations.

With a focus on sustainability and cost control, the Istanbul Water and Sewer Department (ISKI) commenced a master plan in 1992 to direct Istanbul’s water and wastewater investment efforts through 2040. No matter how well engineered, when sewer systems age, eventually joints fail, pipes crack, roots intrude and systems must be rehabilitated or replaced to ensure continued service. However, when pipes are buried under centuries of dense urban development, access becomes more difficult than most engineers could even imagine. Such challenges are the norm in Istanbul. Whereas trenchless technology is routinely considered a valuable tool in most major cities of the world, trenchless pipe rehabilitation was recognized as absolutely invaluable to Istanbul.

History Preserved in TurkeyPipe Relining Rehabs Ancient Sewer Pipes



The entirety of Old Town Istanbul is registered as a World Heritage Site. The very idea of tearing up centuries-old cobblestone streets seems blasphemous. Furthermore, the prospective economic impact of disrupting traffic and business operations in this center of tourism cannot be understated. ISKI was faced with tough choices and few solutions. It needed to stop the continuing degradation of its ancient sewer system, which was threatening the survival of numerous historical sites in addition to being a sanitation concern. But simultaneously, it absolutely couldn’t tear up the historical sites to fix the problems.

An excellent example of the kind of dilemma regularly faced by ISKI is the Binbirdirek Cistern, which was built in AD 330 as Constantinople was being founded. As centuries passed, the infrastructure above this 224-column cistern grew and changed. Today, restaurants and hotels line a cobblestone street above the cistern; inconveniently, the sewer pipe servicing this street began leaking and exfiltrating into the cistern below. To exhume and replace the old sewer line would close businesses, disrupt traffic in the heart of the historical tourism district and most probably destroy the cistern below. To do nothing would be to allow the continued decay and disuse of the cistern.

In searching the world for solutions to problems such as this, ISKI identified trenchless pipe lining as a viable solution and realized that such technologies needed to be routinely available in Turkey. Any country desiring entry into the European Union (EU) is required to meet infrastructure quality standards, and ISKI clearly understood that complying with those standards becomes more affordable with access to trenchless technology. Periodic access to such technology via international construction firms was not sufficient for its extensive needs. Rather than just accept the lack of local availability, ISKI began proactively developing a trenchless technology market in Turkey.

Turkish contractor Mehmet Kurtbay, P.E., MBA, saw not only a business opportunity in the pipe rehabilitation projects being released by ISKI, but also a means to serve the needs of his city and nation. Kurtbay began searching the world for technologies uniquely suited to the Turkish market. Whereas trenchless rehabilitation in Turkey was primarily only available through construction firms based in the EU, Kurtbay wanted to establish a Turkish pipe rehabilitation company. As a result, he established AOL Istanbul with his two partners on April 1, 2005.

Most pipelining technologies require extensive experience to avoid costly and disruptive failures. But the critical pipe rehabilitation projects in the historic peninsula of Istanbul absolutely could not afford any disruption caused by a

contractor’s learning period. Exhumation simply was not and is not an option. Not surprising, few construction firms are interested in training their future competitors. As a result, Kurtbay wanted to find a technology that local labor could consistently perform with a minimum amount of training. He also wanted a technology where errors could be corrected at lower cost and with less disruption.

After extensively researching trenchless pipe rehabilitation technologies used around the world, Kurtbay believed Ultraliner PVC Alloy Pipeliner from Ultraliner Inc. of Oxford, Ala., was the technology solution. The big problem: At the time, it was only being used in North America and its advantages were not widely known or recognized in Europe.

Ultraliner president Luke Whittle explains, “At that time, we were not convinced that international expansion was a smart use of our resources. Ultraliner continues to grow rapidly across North America, routinely adding new licensees and crews to provide additional coverage. We believed that our resources should be focused upon continuing our successful domestic expansion.”

But Kurtbay and his partners were convinced that Turkey needed a product like Ultraliner PVC Alloy Pipeliner and they persisted. Ultraliner vice president Grant Whittle states, “He kept after us and wouldn’t relent. As we got to know Mehmet better, we were impressed with his business acumen and his engineering understanding. He is an exceptionally well-educated and savvy contractor. He has a civil engineering degree from the highly regarded Istanbul Technical University and also completed an MBA in the United States. His background makes it easy to work with him. Quite

honestly, any concerns we initially had about the ability to support a licensee on the other side of the world were ultimately allayed by our confidence in Mehmet. As it turns out, that confidence has been well placed.”

AOL Istanbul garnered enough confidence within ISKI that it awarded its first Ultraliner pipe rehabilitation project within the sensitive historic peninsula. Because Ultraliner PVC Alloy Pipeliner is shelf stable, a single bulk shipment was able to be exported from the United States to Turkey, thereby greatly simplifying project logistics. After AOL Istanbul acquired the requisite equipment, Ultraliner sent Sam McLean, its construction operations manager and most senior trainer, to Istanbul for 16 days. During the first week, McLean helped make final checks and adjustments to the installation equipment and oversaw aboveground field trials for preliminary training. The following week, he assisted the AOL Istanbul crews to install pipeliner for ISKI. The first

A leaky sewer pipe above the Binbirderek Cistern was cause for concern.




three lines selected were in a less sensitive neighborhood where the capability of the AOL Istanbul crews could be assessed. These installations went so well, that with McLean’s oversight, the AOL Istanbul crews then lined two of the critical sewer lines above the Binbirdirek Cistern.

The sewer pipes above the cistern were lined at night to prevent disrupting the nearby Magnaura historic site and the numerous hotels, restaurants, shops and tourist traffic. With the pipe ends accessible through the manholes, no excavation was required and no evidence was left of the project upon completion. The next morning, the cafés all placed their tables on the cobblestone streets above the lined sewer pipe and life went on without interruption.

Lining the pipes with Ultraliner PVC Alloy Pipeliner is expected to provide a renewed 100-year, fully structural performance life for the sewer pipes, while controlling root intrusion, infiltration and exfiltration. With the sewer exfiltration stopped by the ISKI pipe rehabilitation project, the historic Binbirdirek Cistern has subsequently been refurbished, currently houses a new restaurant and is open to the public for tours, as well as hosting exhibitions and concerts. A 1,700-year-old historic treasure has been preserved, and an exhibition featuring scale models of Istanbul’s Byzantine architecture is currently being hosted in the cistern.

After AOL Istanbul installed only five lines under his supervision, McLean returned to the United States and the local crews thereafter were able to prove their capabilities

on their own. One of the key advantages of Ultraliner PVC Alloy Pipeliner is that it is a pre-manufactured pipe. All of the design properties that ensure specification compliance and ultimate performance life are factory quality-controlled and essentially unaffected by decisions of the crews during field installation. With fewer variables to influence a quality installation, less experience is required. Installation defects occurring after a crew has 20,000 lf of experience are rare. When mistakes or defects do occur, correction is relatively non-disruptive. If things go wrong, such as an equipment breakdown, the installation process can be stopped at any time and re-started as necessary. If a complete pipeliner installation failure ever occurs, the pipeliner can generally be removed without excavation. Such advantages make Ultraliner especially suited for use by local contractors in emerging pipe rehabilitation markets where experienced personnel are not available for hire.

Over the past three years, AOL Istanbul has lined close to 25 miles of sewer pipes in Istanbul, including the majority of sewer lines rehabilitated within Old Town. The company was recently awarded two additional projects by ISKI and currently operates three lining crews. Of particular note is the rehabilitation of sewer pipes around Hagia Sophia (one of the new seven Wonders of the Ancient World) and the equally impressive Sultan Ahmet Mosque.

Edited by Trenchless Technology, this article was submitted by Ultraliner, Oxford, Ala.



Montgomery, Ala., is a thriving community — home to more than 200,000 people — that serves as the state capital and the commercial and cultural center of

central Alabama. To maintain its position and support a grow-ing population and economy, the Montgomery Water Works and Sanitary Sewer Board (MWWSSB) has been busy upgrad-ing its sewer collection system.

One recent project was the Lower Catoma Interceptor Replacement, part of the Wet Weather Improvements Phase III program. The project was designed to replace an aging interceptor and increase conveyance capacity to the Catoma Wastewater Treatment Plant. The Lower Catoma Interceptor Replacement project, which involved 37,000-lf of sewer pipe-line construction, was awarded to SJ Louis Construction of Texas Ltd. The route of the pipeline crossed CSX railroad tracks in two locations, as well as Old Selma Road and Mobile Highway.

To avoid shutting down these routes, the board, CH2M HILL and the general contractor opted to employ microtunnel-ing. “Microtunneling was an attractive option because it works in saturated soils where conventional boring methods won’t work,” said Bill Henderson, MWWSSB assistant general manager.

Bradshaw Construction Corp. of Ellicott City, Md., was the subcontractor for the microtunnel crossings. Bradshaw is a spe-cialty construction firm with a long history of tunneling. The company has made a name for itself for completing difficult proj-ects in all types of ground using all types of methods. This project was particularly chal-lenging given difficult ground conditions and shallow cover for the crossings.

Bradshaw’s scope of work involved the construction of eight liner plate shafts — four launch shafts 24 ft in diameter and four receiving shafts 16 ft in diameter. The four crossings ranged from 114 to 213-ft long to install 78- to 96-in ID pipe.

“The biggest challenge of the crossings was the fact that they were very shallow — in some cases there was as little as 6 ft of cover,” said Bradshaw Construction micro-tunneling manager Grahame Turnbull.

Another difficulty was the size of the crossings and a requirement that there could be no more than 2 percent overcut between the OD of the microtunneling machine and the OD of the jacking pipe.

Because of the different sizes of pipe that needed to be installed, that meant that Bradshaw would have had to use two different microtunneling machines or use a machine that could be “skinned up,” which involves putting a larger shield and cutterhead on a machine.

Given the limitation on the amount of allowable overcut, Bradshaw did not have a machine in its fleet that could accommodate the diameters of both bores. Additionally, microtunneling equipment manufacturers that supply the North American market build standard sizes that did not meet the requirements of the job. So, Bradshaw turned to

Microtunneling in Montgomery

By James W. Rush

Bradshaw Construction Completes Tricky Drives in Alabama




RASA Industries Ltd. of Japan to custom-build a new micro-tunneling machine.

RASA is a longtime builder of microtunneling machines in the Asian market, and Turnbull had known of its capabilities from past experience “We looked around the world for any manufacturer we could find, and RASA committed to build-ing the size we needed within the timeframe we needed it.”

The schedule was critical because the tunneled portions of the Lower Catoma Interceptor Replacement needed to be done in advance of the open-cut.

The unit supplied by RASA was a Unicorn 1900 slurry machine with an electrically driven cutterhead with face access to change the cutters. The base machine had a diam-eter of 2,105 mm (82.87-in) with a factory-built skin set and cutterhead that enlarged the diameter to 2,470 mm (97.25-in). The machine provides 340,000 Newton meters of torque. The main jacks provided 1,000 metric tons of maximum thrust, upgradable to 1,500 metric tons. The jacking frame steel fabrication and entry and exit seals were manufactured by Microtunneling Inc.

Going UndergroundThe microtunneling portion of the project involved two

crossings of the CSX railroad, Old Selma Road and Mobile Highway. Ground conditions ranged from poorly graded sand and gravel to clayey sands with poorly cemented sandstone in the invert in some crossings creating a mixed face condition.

The first crossing, under Old Selma Road, consisted of installing 202 ft of direct jack 78-in ID HOBAS pipe. The ground conditions ranged from well graded to silty sands and gravels. The first crossing was completed without incident so Bradshaw’s team set its sights on the first rail-road crossing.

Bradshaw wanted to complete the first drive using the base machine to get a better feel for how it would handle skinned up to the larger diameter. Steering was critical, as the tunnel was not only under shallow cover, but also had a 0.00062 slope angle.

“With the machine skinned up it weighed in excess of 60,000 lbs, with most of the weight toward the front of the machine,” Turnbull said. “We were concerned about how the machine would steer, but it performed very well.”

Turnbull said the crew used a laser-guided system aided by computer interpretation to steer instead of using stroke sen-sors in the steering cylinders.

The first CSX crossing (CSX-1) involved a 114-ft cross-ing using 96-in. Permalok casing (with 78-in. HOBAS car-rier pipe) through well graded to silty sands and gravels. The team constantly monitored slurry pressures and set-tlement points to help identify any potential settlement concerns. Despite the team’s effort, settlement occurred that was promptly addressed by CSX railroad crews. On the advice of the manufacturer, Bradshaw reduced the face opening from 50 to 25 percent open prior to the next crossing. The purpose of reducing the face opening was to help limit ground loss and help reduce damaging settle-ments. The modifications proved successful in reducing ground loss and limited settlements to acceptable levels on the remaining crossings.

One key to success when dealing with settlement induced by tunneling was to maintain communication with CSX rail-road crews so that the settlement did not hamper railroad

operations. “We were in constant contact with the railroad,” Henderson said. “They had a representative onsite at all times and a flagman with a radio to help direct train traffic.”

Originally, the contract called for the first crossing to be the CSX-1 crossing, but because of completing the Old Selma Road Crossing first, the machine only had to be reconfigured and the skin swapped once rather than twice as the original schedule dictated. “The process of changing the skin took two working days,” Turnbull said.

After getting approval, Bradshaw moved forward with the next CSX railroad crossing (CSX-2), a 122-ft railroad crossing through clayey sands and gravels, again installing Permalok casing with a HOBAS carrier pipe. Based on the experience gained from the previous crossing, the crew was able to complete the drive without incident.

Bradshaw then removed the skin and reset the machine to its original configuration keeping the 25 percent face opening on the cutter head to complete the final drive, a 213-ft shot under Mobile Highway through poorly graded sands and clay, with weakly cemented sandstone in the invert. The mixed face conditions posed some challenges for the crew in steering, tunnel advance rates and face control but the drive was successfully com-pleted without incident.

All pipe has been laid and crews are preparing manholes and final surface work in advance of diverting flows into the new interceptor, which is expected to be online by April 2009.

James W. Rush is editor of Trenchless Technology.



Compact rigs, like Vermeer’s 7x11 Series II, are popu-lar choices for FTTH jobs.

T he fiber-to-the-home (FTTH) market is prov-ing to be an economic boon to the compact

rig segment of the horizontal directional drilling industry, growing by leaps and bounds in recent years. As more cus-tomers crave additional band-width and faster Internet speed, network providers, eager to meet that demand using the least evasive means possible, are turning to HDD to bring it to them.

According to the FTTH Council, upgrading North America’s last mile networks with end-to-end fiber is flourishing, with fiber-to-the-home arriving at more than 1.6 million households as of September 2008 and bringing the total number of subscribers to 3.76 million. These figures are from a FTTH Council study that was released in September 2008.

The FTTH Council study also shows fiber-to-the-home net-works now passing 13.8 million North American homes, up from 9.55 million in 2007, and that the number of homes receiving video services over FTTH more than doubled over the past year, from slightly more than 1 million in September 2007 to nearly 2.2 million a year later.

“This continued growth in the number of connections and in the take rate is evidence of what consumers think about fiber-to-the-home — it is fast becoming the technology of choice for receiving high-bandwidth Internet and superior video services,” said FTTH Council president Joe Savage. “In addition, we are continuing to see enormously high customer satisfaction rates for FTTH services when compared to other types of broadband and video providers.”

The study also found that average data download speeds for FTTH subscribers continued to rise — to 7 megabits per sec-ond (Mbps) from 5.2 Mbps a year ago — as providers increased available bandwidth in their service offerings. This compares

to a median real-time Internet download speed of 2.3 Mbps among all Internet users, as determined by the Communications Workers of America in its recent Speed Matters survey of more than 230,000 people.

So what does HDD have to do with all of this — a great deal with as more and more system providers are turning to this trenchless application as the preferred method of burying the new fiber conduit, as well as replacing aerial copper lines.

HDD with its compact drill rigs are the perfect fit for net-work providers that are looking to install the smaller diameter conduit underground, as these lighter, narrower rigs are able to leave a soft footprint on the jobsite and are able to maneuver in the tighter corridors of residential neighborhoods. These rigs

DIRECTIONAL DRILLING

he fiber-to-the-home

FTTH Market Seizes on HDD to Make Connections

By Sharon M. Bueno



have the capabilities to complete bores less than 100 ft up to 1,000 to 1,300 ft, leaving minimal aboveground disruption — to the ground surface and property owners’ daily routines.

Telecom system operators as large as Verizon — which is in the process of replacing its entire copper distribution network with a fiber one — to the smaller local ones have two options for installation: either suspend the fiber cable from existing or new utility poles (better known as the aerial method) or bury it underground, which provides a more pleasing aesthetic land-scape and protects the cable from Mother Nature’s unpredict-able and destructive wrath.

While the aerial route is much quicker and less costly to a company’s bottom line, more network providers say they are choosing to bury the fiber cables underground as a way to protect their investment from damage from wind, ice storms, lightening and even accidental damage. HDD is the method that the network providers are turning to and are preferring to do the work themselves rather than farm it out to contractors.

“When we discuss case studies and lessons learned in our membership meetings, one of the key topics of interest is how to ensure that FTTH deployments cause minimal disruptions to automobile and pedestrian traffic and the least amount of damage to residential and community property. New technolo-gies in horizontal directional drilling offer solutions that did not exist a number of years ago. And for many FTTH deployers, that means new ways of establishing and preserving good relationships with residents and community officials in the deployment area — something that is critical to a successful project and a successful FTTH business,” says Savage.

In talking with fiber network providers, they say that with HDD, they don’t have to worry about damaging streets or property during installation and traffic disruption is kept to a minimum.

“It’s much more expensive to install fiber with HDD than it is aerial,” admits Mike Gore, director of engineering-outside plant with Pioneer Telephone. “But there are paybacks in some areas, such as not contending with tornados and ice storms. Any time you have ice hanging on your lines that are electric and they go down, you go down with them.”

Pioneer Telephone, Kingfisher, Okla., is one such telecom that has embraced HDD as a way to install its product lines and is a growing list of telecoms opting to have its own fleet of compact rigs and specially trained crews. Founded in 1953, Pioneer Telephone is the fourth largest telephone cooperative in the United States with more than 140,000 customers throughout central Oklahoma. The telecom provides a myriad of communication services such as local telephone service, digital TV, cellular, high-speed Internet and long distance.

Gore notes that the company has seen a recent push in its fiber installation in residential areas than in past years as cus-tomers demand more bandwidth. Currently, Pioneer Telephone has 499 FTTH customers and Gore expects that figure to con-tinue growing exponentially over the next few years.

“Fiber installations are going to continue to rise,” he says. “We have made great strides in getting more bandwidth from cop-per, but it is more cost-efficient to use fiber.,” he says.

While the company has been using HDD to install its prod-uct lines over the last six to eight years, it’s just been the past

two in which HDD has been used to install the fiber-to-the-home lines. Gore says it’s been about 50-50 split between aerial vs. HDD for the fiber installation. Pioneer Telephone also does its own directional drilling work and has two compact drills (Ditch Witch and Vermeer models) that allow crews to bore lengths up to 1,000 ft in some cases; but in most cases, the crews are making much shorter shots of 300 ft or less.

To date, Pioneer Telephone has put more than 10,000 miles of fiber lines in the ground, including 7.5 million ft of buried fiber of which a significant portion was installed using HDD.

“Anywhere we could achieve right of way access, we chose to do the directional boring,” Gore says. “In the past, in order to place underground facilities, the only equipment we had was a trencher, which caused constant return maintenance. Today that is not the case.”

3 Rivers Telephone Cooperative was founded in 1953 and serves 29 exchanges in Montana, providing direct broadcast satellite, interactive educational television/video conferencing, long distance services, DSL/Internet and WildBlue (high-speed Internet via satellite). The coopera-tive started building its FTTH communities in Fairfield, Mont., its company headquarters.

Mike Henning, director of plant and facilities with 3 Rivers, says the company made the move to burying its fiber lines as a cost-effective measure for the rural areas and towns it serves, rather than buying and erecting new utility poles. As the demand for fiber increased, 3 Rivers turned to HDD to install it. Over time, the telecom decided to keep the work in-house in lieu of contracting it out.

“As demand increased for this type of work, we felt it was in our best interest to invest in our own equipment,” Henning explains. “Although we still may contract some bigger jobs, we will use our own HDD equipment for road crossings, ditches, waterways and other areas requiring minimal sur-face disturbance.”

He says typical bores range in length of 40 to 400 ft and the network provider utilizes a two-person crew that is specifi-cally trained for the compact rig it operates.

Both 3 Rivers and Pioneer Telephone didn’t take the HDD plunge for its FTTH work without first consulting other FTTH communities about how it worked out for them. And with 3 Rivers and Pioneer Telephone’s success, fledgling FTTH communities are turning to their experi-ence for guidance. “I contacted another community in the area about how they set up their program,” Henning says, noting that equipment maintenance tips were helpful. “With the demand in regards to broadband deployment, HDD will continue to be a necessary means of getting cable to the customer to provide this service with mini-mal environmental impact.”

Gore says he gets a lot of questions at various trade shows from other communities about using HDD. “They want to know how well it works and what the positives and negatives are,” he says. “We do see more and more [FTTH] communities using HDD. If the price of the machines comes down, you’ll probably see more of them. It is a large investment.”

Sharon M. Bueno is managing editor of Trenchless Technology.


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TThe Po River is Italy’s largest river. Flowing west to east, it stretches across northern Italy from the French border to the Adriatic Sea. Nearly a third of Italians

live in this fertile plain and the area is one of the most cultivated in Europe. The central section of the Po River, near Pavia, is situated in a broad flood plain. The channel cuts through alluvial deposits hundreds of feet deep. These deposits include gravels washed down from the Alps to the north and the Ligurian Apennine Mountains to the south.

A 10-in. diameter product pipeline operated by SIGEMI — a joint venture controlled by Shell — runs from Genoa on the Mediterranean coast to a distribution terminal just south of Milan at Lacchiarella. The pipeline crosses the Po River, near Pavia. Built in the 1970s, the Po River crossing was constructed using open-cut methods. Historical records dating back to the 19th century indicated that the Po River channel at the pipeline location has meandered across a 1.24-mile wide flood plain. Deepening of the river bed had also been observed, most likely due to excavation of the river bed gravels for construction materials. Channel movement over the last 30 years was threatening the integrity of the pipeline river crossing. A pipeline break could cause catastrophic environmental damage to the extent that repercussions could threaten the viability of SIGEMI’s business unit in northern Italy. In 2005, SIGEMI began planning the replacement of the pipeline across the Po River flood plain.

Gravels presented the greatest challenge to construction of the new crossing. The soils of the upper and middle sections of the Po River are comprised of a thick, sandy gravel alluvial deposition. More than 23 million cubic meters of gravel are commercially excavated annually from the Po River.

Preliminary InvestigationsTo better evaluate the viability of various construction

methods, four rotary drill holes were undertaken along the 6,600-ft alignment at a 99-ft depth; 10 additional auger borings were also taken and the soil strata were visually classified. Sieve analyses confirmed that the strata were mainly comprised of gravels and gravelly sands. Nearly all of the gravels identified passed a 1.6-in. sieve and gravels exceeding a 0.8-in. sieve made up 30 percent of the in-situ material.

Various construction methods were considered. The local public authorities wished for the replacement section of the 10-in. diameter pipeline to be a minimum of 19.8 ft beneath the existing river channel and maintain this elevation across the entire 1.24-mile flood plain. The depth, along with the danger of major excavations near the operating pipeline, precluded using conventional cut-and-cover methods. Both horizontal directional drilling (HDD) and microtunnelling were considered. Although it was recognized that the high gravel content would challenge either method, HDD appeared to be significantly less expensive and would be readily approved by the local public authorities because HDD is less invasive.

Pre-Construction ActivitiesItalian pipelay contractor Impressa Tre Colli of Fidenza was

chosen as the general contractor. Tre Colli would procure the line pipe, undertake site preparation and restoration, fabricate and test the pipeline string and perform all testing and tie-in work. Tre Colli subcontracted the HDD activities to LMR Drilling GmbH, Oldenburg, Germany.


Crossing Italy’s Po River Crossing Italy’s Po River By Eric Skonberg, Andrea Stagni, Giovanni Polloni, Luciano Adinolfi, Gunter Kruse and Jens Groninger




Prior to final design, a more comprehensive geotechnical investigation was performed. This included a 6,600-ft continuous resistivity survey using vertical electrical soundings (VES), which correlated ground conditions between the existing borings. To verify the result, six additional bore holes were drilled through a depth of 224 ft with onsite testing. By using all the data, a cross section of the soil strata was derived. The cross section showed a horizontal corridor of mostly sands with low gravel content at a depth of 138.6 to 148.5 ft. A design profile was prepared to place the majority of the replacement in this stratum and to minimize exposure through the overlaying gravel strata. Installation of 20-in. diameter casing through the upper elevations was proposed to isolate and stabilize the gravels.

The line pipe, 10-in. diameter by 0.365 in. w.t. API 5L X52, was thoroughly analyzed for stresses resulting from construction loads, hydrostatic testing and operating pressures. However, there were concerns about the corrosion coating being pulled through 6,600 ft of abrasive soils and the steel casing. The pipe was coated with a three-layer polypropylene protective coating and an internal layer of fusion bond epoxy coating.

Right of way limitations would not allow for the fabrication of the pullback string into one piece. A tie-in weld, referred to as the “Golden Weld,” would be necessary during pullback operations. The location of the Golden Weld would allow continued pulling of several hundred feet even if there was a weld failure or other delay.

HDD was chosen over cut-and-cover and microtunneling.



ConstructionTre Colli began site preparation activities in early July 2007.

The rig site on the south bank was leveled and work areas prepared with packed gravel. LMR began mobilization and rig setup in early August. LMR employed a seldom used drilling technique with the pilot hole drilled with 2 7/8-in. diameter drill string and then washed-over with the 6 5/8-in. drill string. This method is advantageous in gravelly soils because it reduces pushing forces and minimizes fluid loss to the surrounding soils. The pilot hole was drilled through approximately 660 ft. The 20-in. casing was run through a length of 541 ft and a 99-ft depth. The casing was cemented in place. Significant gravel content was observed in the mud returns during the casing installation.

Pilot hole drilling recommenced and the 6 5/8-in. washover string was regularly advanced behind the pilot string. LMR used a Paratrack II survey system with its Pressure While Drilling (PWD) data gathering tool. Since the annular pressure was monitored, LMR was able to make remedial efforts before the mud surfaced. The mud properties were carefully measured and controlled. There were full returns of mud and cuttings to the HDD entry as the pilot hole advanced through a drilled length of more than 5,940 ft.

After 13 days, the pilot hole exited 3.6 in. from the HDD exit stake. Unfortunately, the pilot hole was completed 15 days ahead of schedule — meaning the pipeline strings would not

be ready for pullback for at least two weeks. In most instances, this presents many problems for the HDD process, as the hole can deteriorate over time and collapse. However, the washover system and management of the mud properties mitigated these problems. After completing the pilot hole, the washover drill pipe was fully retracted from the hole and the LMR crew was demobilized until the pipeline strings were ready.

In early September, the LMR crews began the reinsertion of the washover pipe. Torque forces were similar to when the washover pipe was originally installed. Once the washover pipe was completely installed, the 2 7/8-in. pilot hole drill pipe was retracted and preparations were made for the pipeline pullback operation. Pullback of the pipeline string began at 10 a.m., Sept. 12. The pullback continued throughout the night and was completed at 9 a.m., Sept. 13. The pullback took 23 hours, including 4 ½ hours to complete the Golden Weld.

The project was a success: HDD provided the pipe replacement with significant cover across the entire flood plain. There is minimal likelihood of damage from future river channel movement and no significant envi-ronmental impact.

Eric Skonberg is with Trenchless Engineering. Andrea Stagni is with Shell Italia. Giovanni Polloni, Luciano Adinolfi, Gunter Kruse and Jens Groninger are with LMR Drilling.

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56 TRENCHLESS TECHNOLOGY February 2009




2009 Educational Webinar Series Watch these educational webinars from the comfort of your own offi ce. Go to www.trenchlessonline.com/index/webinars to enroll for any or all of these webinars. It’s simple to use and it’s FREE!

Earn .1 CEU for each Webinar

www.trenchlessonline.com/index/webinarsPlease contact Kelly Dadich at [email protected] or 330-467-7588 if you have any questions regarding the webinar series.

January:Manhole RehabilitationSponsored by:

February:Pipe BurstingSponsored by:

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DIRECTIONAL DRILLINGHDD DESIGN ISSUES:

HydrofracturesBy Dr. David Bennett, Ph.D., P.E.

(This is Part I of a two-part series discussing HDD design issues. In March, Dr. Bennett will address guidance on evaluation of settlement risks.)

W hat are the important design issues associated with large diameter HDD projects and how can these issues be addressed? You could answer the first part

of the question by identifying the issues that can prevent suc-cessful completion of an HDD bore. These issues include both technical and non-technical issues. Even the non-technical issues require engineering evaluation and technical solutions.

Permitting and regulatory oversight concerns drive a substantial portion of the technical analyses for large-diameter HDD projects. Credibility must be established with regulatory and permitting staff through honest dialogue and diligent follow-through efforts. The need to protect sensitive environmental resources from inadvertent drilling fluid returns and existing improvements and utilities from strikes and excessive settlement must be balanced against the need for sufficient rig side and pipe layout work space, reasonable setback distances, entry and exit angles, bore lengths, depths and reamed diameter vs. product diameter. Surface topography and ground conditions often complicate the possible solution. Technical issues including pipe pullback, buckling and bending stresses must be balanced against available work space, existing improvements, topography, ground conditions and costs and availability of suitable materials. Appropriate factors of safety must be applied in the analyses to ensure safety without destroying economic feasibility. Sometimes, one or more of these issues cannot be resolved through HDD and a different trenchless solution must be devised.

Good design demands all relevant issues be addressed in a balanced, rational way. To be successful, the design engineer needs the right analytical tools, judgment and experience to select appropriate input parameter values. People skills are critical to listen to the concerns of regulatory and permitting staff and establish credibility with these staff by properly iden-tifying and mitigating the risks. Cost estimating and scheduling expertise are also important.

In Part I of this series, guidance is offered on one of the issues: hydrofracture.

Hydrofracture The cavity expansion model is the appropriate model for

evaluating hydrofracture risks, specifically maximum allowable drilling fluid pressures, for the majority of HDD projects in soils. The U.S. Army Corps of Engineers Design Manual for Levees (EM-1110-2-1913, “Design and Construction of Levees”) states in Chapter 8 that the Delft (cavity expansion) equation in Appendix A of WES CPAR-GL-98-1 (Staheli et al.,1998) should be

used to evaluate maximum allowable drilling fluid pressure. The tensile strength model is more appropriate for HDD

projects in rock, especially those with relatively shallow cover. The total stress model ignores contributions of soil strength and leads to unnecessarily conservative bore depths. Estimation of minimum required drilling fluid pressure to ensure cuttings are transported from the bore is also required. The solution for minimum required pressure derives from well-established fluid mechanics principles.

Discussion of the cavity expansion model, with example calculations from actual HDD case histories can be found elsewhere. This paper was intended to help engineers become comfortable with the approach, the results predicted and their significance. More accurate evaluation of hydrofracture risks, is only one step in reducing hydrofracture risks. Coupled with improved evaluation, improvements in management of drilling fluid properties and drilling methods are needed. Contingency measures such as conductor casing, relief wells and piezometers should also be considered for reducing risks on difficult, challenging bores. The third edition of the HDD Good Practices Guidelines addresses these topics, with updated information and a new chapter on design issues.

Inadvertent fluid returns are often referred to universally as hydrofractures or frac-outs. However, not all of these instances are actually caused by hydrofracture. Other sources of inadver-tent fluid returns include existing fissures in the soil, preferen-tial seepage paths along piers, piles or other structures and open-graded, loose gravel or rocks above the bore. Hydraulic fracturing is a specific occurrence in non-fissured cohesive

Figure 1


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soils when the pressure of the drilling fluid exceeds the strength and confining stress of the surrounding soils and the excess pressure fractures the soil around the bore. Plastic yielding can occur in cohesive and non-cohesive soils and represents the condition where fluid pressures exceed the shear strength and confining stress of the soil. Plastic yielding results in fluid losses to the surrounding formation.

Proper use of the cavity expansion model requires judg-ment and accurate geotechnical data. Assumptions are required regarding contractor practices, mud properties, pilot and reamed diameters. When assumptions regarding geotechnical conditions and drilling practices are inval-id, results are likewise unsatisfactory. The cavity expansion model provides a mech-anism for predicting maximum allowable pressures. Minimum required pressures for drilling and reaming must also be cal-culated and compared against maximum allowable pressure to assess hydrofrac-ture risks.

When drilling fluid pressures exceed maximum allowable pressure of the sur-rounding soil, localized plastic yielding of the soil surrounding the annulus occurs. The limiting radius of yielding occurs at the point where pressure is equal to the pressure required to cause plastic yield-ing. Beyond this zone, hydrofracture does not occur. Figure 1 shows this concept.

Localized hydrofractures — those that do not reach the surface — are typically sealed by excess groundwater and earth pressures soon after the HDD bore is completed. This healing phenomenon is supported by experience in large scale HDD tests conducted by the Corps of Engineers.

Maximum allowable calculated pres-sure at any point is the pressure required to create a plastic (failed) zone equal to the depth of soil above the pipeline at that point. That is, the factor of safety against the plastic zone reaching the ground surface is 1.0 for any location along the maximum allowable pressure graph. The actual factor of safety applied to a project must account for potential consequences and reliability of input parameter values used.

Minimum drilling fluid pressure required to return the soil cuttings back through the HDD bore to the surface is a critical factor in evaluating hydrofracture risk. Minimum pressure depends on the length, depth and diameter of the bore, the weight of the drilling fluid and the flow rate. Minimum required pressure is a combination of the drilling fluid head pressure that must be overcome and the frictional resistance to flow from the bore wall.

Drilling fluid pressures are often highest during the pilot bore, because of the smaller annulus and one-way flow path. During reaming, drilling fluid can flow out through the entry or exit; the annulus is larger, so pressures are usu-ally lower. But pressures during pullback can be high, because the larger diameter of the product pipe reduces the annular flow path.

Actual drilling fluid weights vary. However, good practice dictates that drilling fluid properties, including weight, be properly managed to achieve satisfactory results. Mud weights should be maintained below 9.5 lb/gal.




Once the maximum allowable and minimum required pres-sures have been calculated, it is important to compare the two numbers at critical features, such as locations of low earth cover, crossings beneath utilities, beneath rivers and environ-mentally sensitive areas, near embankment toes or at large distances from the entry point, to get a comprehensive view of hydrofracture risk.

Drilling fluid pressures can vary greatly with the contrac-tor’s methods and changes in ground conditions. The mini-mum required pressure is exactly that: a minimum. Although calculations may indicate there is little risk of hydrofracture, an inexperienced operator or unforeseen soil conditions can greatly affect that risk. Selection of an experienced, qualified contractor is an important step in preventing hydrofracture. A thorough and accurate geotechnical investigation is a pre-requisite for success. Since the results of a hydrofracture risk evaluation are so dependent on the assumptions regarding ground conditions, groundwater levels, contractor means and methods and drilling fluid properties, the evaluation should be conducted using a range of values and assumptions to bracket the limits.

If comparison of the maximum allowable pressure and the minimum required pressure indicate an unacceptable risk of hydrofracture, the design should be altered to reduce that risk. Hydrofracture risk can be reduced by altering the geometry of the bore — shortening the bore, deepening the bore or select-ing better soil strata for the alignment. Conductor casings can

be used to help maintain bore continuity through rocky, grav-elly or loose soils near the surface so that drilling fluids don’t escape the annulus. Once the bore has passed beyond the end of the conductor casing, increased thickness and typically higher strengths of the soils help reduce hydrofracture risk. Additional risk mitigation techniques include relief wells, pie-zometers and monitoring.

Relief wells can be installed at locations where excessive drilling fluid pressures may exceed the soil’s capability to resist hydrofracture. Locations should be selected that are accessible for containment and cleanup equipment, making it easier to maintain a clean worksite, while avoiding damage to sensitive features.

Regardless of the preventative measures used, any project with a significant risk of hydrofracture should have a contin-gency plan. This plan should include a procedure for containing and cleaning up any inadvertent fluid returns and describe materials that the contractor should have on hand such as sand bags, hay bales or wattles to contain the fluid, a vac-truck or trailer, shovels, brooms, barrels to contain the fluid and submers-ible pumps to remove the liquid.

Hydrofracture risks can be evaluated and managed using the tools described above, coupled with experience and judgment, to allow a successful, safe project.

Dr. David Bennett, Ph.D., P.E., is president of Bennett Trenchless Engineers, Folsom, Calif.




DRILLMASTER REPORT

AAs contractors move up to maxi drills — drills with more than 100,000 lbs of pullback capability — there are several items that need to be decided

before the rig ever leaves the yard. The following are some of the key items:

Drill StemThere are several items to consider when sourcing drill

stem for a maxi drill, such as:

Understanding the rotational torque capability of • the drill and matching the drill stem to this torque rating.

Knowing the bore profile so that the drill stem is • flexible or steerable enough to make required corrections.

Determining how much flow is needed to get • downhole and making sure that the drill stem joint selection will accommodate the flow.

Drill stem diameters for maxi drills vary from 3 ½ to 6 5/8 in. O.D., while joint diameters vary from 5 to 8 ½ in. in O.D. Three of the more common joints are 4 ½-in. IF (internal flush joint), 5 ½-in. full hole and 6-in. full hole.

The length of drill stems used on maxi drills are typically manufactured in 31.5-ft lengths, which are referred to as Range 2 pipe.

Since drill stem is a large investment for maxi drills, it is important to get an inspection report from the drill stem supplier if you are purchasing refurbished drill stem. A contractor needs to consider the risks on the job, soil conditions and if the drill rig will be running in high torque conditions.

ToolingThe obvious and first item to consider when choosing

the pilot bore and pullback tooling is what soil conditions you will be boring in. Gather all the geological information you can for the planned bore path.

A mud motor is the preferred method for boring in harder formations and typically ranges in size from 6 ½ to 8 ½ in. in diameter. It is important to match the mud motor to your mud pump specs so it performs effectively. Typically, a higher torque rating on a motor equates into higher production rates, but you will need the required flow and pressure from the mud pump. When renting a mud motor, be sure to fully understand the total cost to get in and out of the motor, as this typically includes not

only the rental cost, but also any inspection or rebuild costs.

A variety of heads are available for boring in softer formations. Hole openers and reamer selection depends on the formation in which you are boring and what size of pre-reaming passes you plan to do.

Always double check to make sure that you have the proper transition subs to match reamer, swivels, pullers, drill heads and mud motors to your drill stem.

A commercially available breakout/make up tool will need to be used for removing tools from the drill stem.

Because most maxi drill bores are typically high exposure, it is always a good idea to have spare tooling onsite.

Locating systems used with maxi drills can either be • walkover or steering tools (non-walkover). The selection process should be based off of accessibility to the borepath, boring depth requirements and accuracy requirements. A steering tool is normally offered as a service, which an operator is provided when you rent the steering tool.

High-pressure fluid pumps come with many different • flow and pressure combinations. Knowing your soil conditions and borehole size are necessary to calculate pumping requirements.

Recycler sizing needs to be matched to the size of • your high pressure pump. A good rule of thumb is to have a minimum 2:1 ratio. This means that if the maximum flow output of your pump is 500 gpm, then you should have a minimum of 1,000 gpm processing rate on your recycler.

As with any size of horizontal directional drill rig, the most important thing you can do is plan ahead and know the formations in which you will be drilling.

Marv Klein and Ed Savage are with Vermeer Corp. All Drillmaster Reports are reviewed by the Drillmaster Advisory Board: Savage; Frank Canon, Baroid Industrial Drilling Products; Richard Levings, The Charles Machine Works Inc.; Ron Lowe, Myers-Aplex, a Pentair Pump Co.; and Trevor Young, Tulsa Rig Iron.

Rigging Up Maxi DrillsRigging Up Maxi Drills By Marv Klein and Ed Savage



Trenchless TechnologyVideos on Demand

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� Auger Boring� Dewatering� Directional Drilling� Flow Monitoring� Ground Freezing � Grouting� Horizontal Environmental

Wells� Lateral Rehab� Manhole Rehab� Microtunneling� Pipe Bursting/Splitting� Pipe Cleaning� Pipe Coating� Pipe Fusion� Pipe Jacking� Pipe Ramming� Pipe Relining� Pipe Sealing� Pipe Testing� Pipeline Inspection/Evaluation� Rock Drilling� Root Control� Shafts� Shotcrete� Sliplining� Slurry Walls� Soil Stabilization� Spot Repair� Subsurface Utility Engineering� Trench Shoring� Tunnel-Large Diameter� Vacuum Excavating� Other _____________

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Category Ad EnhancementPlaced with the specialty of your choiceLiven up your listing with this customizable option. Placed in the specialty/state sections, Category Ads are a great marketing tool. You can include your logo, slogan, areas of expertise and contact information.

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HammerHead (ETC)Jarrett Cowden, VP-Sales & MarketingJason Haas, Marketing Mgr.PO Box 31300 Capitol DrOconomowoc, WI 53066Ph1: 262-567-8833Fax: 262-567-5068Web Site: www.hammerheadmole.comE-mail: [email protected], NASTT, NUCA, SESTT, MEA, PCCA, AWWA, DCA -- Directional Drilling Accessories, Lateral Rehabilitation, Used/Rental Equipment, Sliplining, Pipe Bursting/Splitting, Piercing Tools/Rod Pushers, Pipe Ramming, Winches, Used Machines, Sewer Rehabilitation, HDD Accessories

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Global Pipeline Systems Inc.Jeremy Bowman, PresidentDino Zagadinow, Business Development760 N. Woodbourne Rd., Ste. BLanghorne, PA 19047Ph1: 215-702-7133Fax: 215-826-9152Web Site: www.globalpipelinesystems.comE-mail: [email protected] Rehabilitation, Pipe-PVC, Root Control, Sewer Robotics, Spot Repair, Tunnel Linings, Tunneling-Large Diameter, Pipe Coating, Pipe Products, Pipe Relining, Pipe Sealing, Epoxy, Joint Repair, Pipe Relining: CIPP, Cutters, Reinforcing Fiber, Sewer Rehabilitation, Resins

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QSP PACKERS LLCMark Hartley, Partner/OwnerRon Roland, Partner/Owner2207 Inter Ave. Ste. BPuyallup, WA 98372Ph1: 253-770-0315Fax: 253-770-0327Web Site: www.qsppackers.comE-mail: [email protected] -- Pipe-HDPE, Pipe-PVC, Other, Pipe Fittings, Pipe Plugs, Environmental Products, Pipe - Well Screen, Monitoring/Geotechnical Instrumentation, Grout Pumps

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the Power of ideasChange is on its way and everyone wants to be a part of it. Alternative Power Construction wants to help fuel that change. President Obama has a plan, T. Boone Pickens has a plan, Al Gore has a plan – everyone seems to have a plan for our energy future. As contractors, municipalities, and owners, What are your plans? We want to help you, the ones responsible for fi nancing, building and implementing our power future. Should power supply be public, or private ? What has your facility done recently to implement power savings? There are big ideas and small ideas, what we need now are a lot of ideas on powering our future.

Visit the Alternative Power Blog at www.altpowerconstruction.com and share your ideas.

altpowerconstruction.comProduced by Benjamin Media Inc.

ADVERTISER ......................................................................................................................................................................PAGE # .........................................RS #

2009/2010 Directory of the North American Trenchless Technology Industry ......................64,65 ........................................46

Akkerman Inc. .................................................................................................................................2 .................................................1

American Augers ............................................................................................................................18 .............................................14

AOC Resins .....................................................................................................................................35 .............................................27

Aplex Industrial Pumps .................................................................................................................39 .............................................37

Applied Felts, Inc. ...........................................................................................................................14 .............................................10

Arntzen .............................................................................................................................................73 .......................................... 207

Avanti International ........................................................................................................................40 .............................................32

Bor-It Mfg. Co., Inc. .........................................................................................................................10 ...............................................6

Capital Sewer Services, Inc. .........................................................................................................31 .............................................20

CertainTeed .....................................................................................................................................41 .............................................33

The Crossing Company.................................................................................................................55 .............................................39

CUES, Inc. ........................................................................................................................................19 .............................................18

Ditch Witch ......................................................................................................................................5 .................................................3

Engineering Technology Inc. ........................................................................................................30 .............................................15

Forrer Supply Co. Inc. ....................................................................................................................72 .......................................... 202

Gabe’s Construction Co. ...............................................................................................................19 .............................................19

Geophysical Survey System, Inc. ................................................................................................48 .............................................25

GeoSpatial Corporation .................................................................................................................43 .............................................34

GeoSpatial Corporation .................................................................................................................45 .............................................36

Griffin Pump ....................................................................................................................................72 .......................................... 200

The HDD Co. Inc. ............................................................................................................................60 .............................................42

Holly Pipe Corp. ..............................................................................................................................72 .......................................... 203

Horizontal Technology Inc. ............................................................................................................60 .............................................43

ICON .................................................................................................................................................33 .............................................31

Interplastic Corp. ............................................................................................................................67 .............................................47

ISCO Industries...............................................................................................................................7 .................................................4

ISCO Industries...............................................................................................................................73 .......................................... 209

Jacobs Associates .........................................................................................................................38 .............................................30

JM Eagle ..........................................................................................................................................Back Cover .............................49

Laney Directional Drilling ..............................................................................................................31 .............................................21

Lewis Manufacturing .....................................................................................................................44 .............................................35

Manhole Rehab Guide ..................................................................................................................71 .......................................... 215

McLaughlin ......................................................................................................................................9 .................................................5

Mears Group Inc. ............................................................................................................................12 ...............................................8

Michels Corp. ..................................................................................................................................36 .............................................28

Midwest Mole ..................................................................................................................................49 .............................................38

Moffatt Enterprises .........................................................................................................................48 .............................................24

No-Dig 2009 .....................................................................................................................................61 .............................................44

NST Corp. ........................................................................................................................................73 .......................................... 210

Permalok Corp. ...............................................................................................................................37 .............................................29

Pipeline Seal & Insulator Inc. ........................................................................................................27 .............................................17

Prime Horizontal .............................................................................................................................11 ...............................................7

Radius Professional HDD Tools ...................................................................................................75 .............................................48

Rain for Rent ...................................................................................................................................34 .............................................26

Rain for Rent ...................................................................................................................................72 .......................................... 201

Resource Center .............................................................................................................................69 .............................................50

The Robbins Co. .............................................................................................................................13 ...............................................9

Roose Manufacturing ....................................................................................................................73 .......................................... 204

Sanexen Environmental Services ................................................................................................32 .............................................22

Slabach Enterprises .......................................................................................................................73 .......................................... 205

StraightLine HDD ............................................................................................................................3 .................................................2

Tex-Direct Drilling ...........................................................................................................................32 .............................................23

Trenchless Technology 2009 Webinar Series .............................................................................57 .............................................40

TT Online Buyer’s Guide ...............................................................................................................56 .................................................

TT TV ................................................................................................................................................63 .............................................45

Undergound Tools Inc. ...................................................................................................................59 .............................................51

Underground Imaging Technologies ...........................................................................................51 .............................................52

Universal HDD .................................................................................................................................21 .............................................16

Utili-Link Inc. ...................................................................................................................................73 .......................................... 206

VacTron Mfg. ....................................................................................................................................73 .......................................... 208

Vacuworx International ..................................................................................................................16,17 ........................................12

Vermeer ...........................................................................................................................................15 .............................................11

TRENCHLESS CONTRACTORS *SPECIAL ADVERTISING SECTION*

AquaCoustic....................................................................................................................................71 .......................................... 213

H&H Enterprises .............................................................................................................................71 .......................................... 214

AD INDEX




AWWA DVD on Reuse Wins CINE AwardThe American Water Works Association (AWWA) has been

selected to receive the CINE Award for its DVD, “Water Reuse for a Sustainable Future.”

The DVD is designed for water providers that want to inform communities, water boards, mayors, governors and other offi cials on the positive potential of reuse for creating a more sustainable water supply. The program explores the many applications and benefi ts of water reuse for both potable and non-potable usage and explains how reuse mimics nature’s hydrologic cycle, along with treatment cost savings, and the environmental benefi ts of water reuse. Successful water reuse programs in California, Texas and Florida are highlighted.

This project was sponsored by the AWWA Technical and Educational Council, with content provided by the Water Reuse Committee, as part of an ongoing effort to educate and examine sustainability and responsible water stewardship.

The CINE is an international award that recognizes distinguished excellence and the highest production standards for fi lm and video. The 2008 competition included hundreds of distinguished entries juried by more than 300 judges. Standards for overall excellence were evaluated by the criteria of writing, sound, editing, creativity, visual insights, and the extent the project communicates with the audience.

www.awwa.org

E-BIZAEM Advisor Newsletter Now Online

The AEM Advisor newsletter offers a snapshot at major association actions taken on behalf of members and the industry in key operating areas, including public policy, market trends/statistics, technical issues, trade shows, international marketing, education, industry liaison and general operational topics. Check it out at its Web site.

www.aem.org/news/advisor

Trenchless Technology Webinar Schedule

Trenchless Technology fi rst brought trenchless education via Webinars to you in 2006 — the fi rst industry publication to do so. Interest has grown with each year and in 2009, Trenchless Technology has set a comprehensive monthly Webinar schedule. Periodically, we will also be bringing you special Webinars that are in addition to the set monthly schedule. Visit the Web site for more information.

www.trenchlessonline.com/index/webinars



ASSOCIATION UPDATE

A recently completed NACE International Corrosion Technology Gap Analysis identifi es products and services needed to reduce corrosion costs for the gas and liquid transmission pipeline industry.

With nearly 500,000 miles of pipelines in use in the United States, the report states that the cost of replacing and maintaining these pipelines is estimated at $1.1 million per mile. The costs associated with corrosion-related failures (25 percent of all accidents), capital investment for repairs and system maintenance is estimated at $5.4 billion to $8.6 billion a year.

NACE is addressing these fi ndings through the publication of standards and the development of courses and events for the pipeline industry. Among the technology gaps identifi ed were the need to understand how various factors infl uence corrosion and integrity, how to better detect the onset and extent of corrosion and how to improve the overall education, training and public awareness of the infl uence of corrosion.

NACE has published a series of standards on the direct assessment process, a four-step process to study the history and operating conditions of a pipeline and predict where corrosion is most likely to occur. NACE SP0502-2008 is on external corrosion direct assessment and has been incorporated by the U.S. Pipeline and Hazardous Materials

Safety Administration (PHMSA) in U.S. pipeline safety regulations. Other NACE standards under consideration by the PHMSA include SP0204-2008 on stress corrosion cracking (SCC) direct assessment, SP0206-2006 on internal corrosion direct assessment for dry gas pipelines and SP0208-2008 on internal corrosion direct assessment for liquid petroleum pipelines.

Specialized training offered by NACE for the pipeline industry includes NACE Operator Qualifi cation (OQ), Internal Corrosion for Pipelines and Pipeline Corrosion Integrity Management (PCIM). These programs were designed to provide individuals with limited to intermediate pipeline corrosion work experience with the knowledge to perform a range of skills, from basic OQ-covered tasks to maintaining an internal corrosion control system to implementing a pipeline integrity program.

The complete “Gas and Liquid Transmission Pipelines Gap Analysis” is available at www.nace.org/gapanalysis. A summary of the 2002 report, “Corrosion Costs and Preventive Strategies in the United States,” is also available on the NACE Web site at www.nace.org/corrosioncoststudy.

NACE International is a professional association dedicated to promoting public safety, protecting the environment and reducing the economic impact of corrosion.

NACE Tackles Corrosion Costs for Gas & Liquid Transmission Pipelines

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1. OUTSIDE CONTRACTING FIRMS❑ Utility Contractor❑ Distribution Contractor❑ Road Boring/

Directional Drilling Contractor

❑ Tunneling Contractor❑ Pipeline Contractor❑ Cable Contractor❑ General Contractor❑ Other; Specify:__________________________

2. ENGINEERING FIRMS❑ Construction❑ Geotechnical❑ Environmental❑ Pipeline❑ Other; Specify:__________________________

3. GOVERNMENT/PUBLIC WORKS

❑ Water and Sewer❑ Gas and Electric❑ Other; Specify:__________________________

4. UTILITY COMPANIES❑ Water and Sewer❑ Electric❑ Gas❑ Cable/Telephone❑ Other Utilities; Specify__________________________

5. INDUSTRIAL FACILITY❑ In-House Contracting❑ In-House Construction❑ In-House Engineering❑ Other; Specify

__________________________

6. MFG/SUPPLIER❑ Manufacturer❑ Rehabilitation Systems❑ Pipe Manufacturer❑ Other; Specify__________________________

7. OTHERS IN THE TRENCHLESS INDUSTRY

❑ Consultant,❑ Library❑ Student/Professor❑ Other; Specify___________________________

What is your primary business at this location. (CHECK ONE)

How would you describe your primary trenchless activity?❑ Rehabilitation ❑ New Installation ❑ Both

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There is a growing use of ductile iron pipe by utilities, consultants and contractors across the

country for their horizontal directional drilling (HDD) installations. As the number of those projects increases, it is being discovered that the use of ductile iron pipe in HDD installations is not simply possible — it can have distinct advantages.

Ductile iron’s fl exible restrained joints are the key to successful HDD installations. These joints provide a distribution of pulling forces around the bell and barrel of the pipe, which facilitates taking full advantage of its high minimum yield strength of 42,000 psi. This makes the possibility of higher pulling forces a reality. Also, in the classes of ductile iron pipe typically used in HDD projects, the unit weight or bulk density of the pipe in a heavy fl uid borepath helps reduce the upward buoyancy forces on the pipe, resulting in reduced friction between the pipe surface and the walls of the

borepath. Therefore, less pulling force is often required for a given length of pull. So, with high pull-force capacity and reduced friction considerations, impressive pulling lengths have been used, even on larger size pipes.

Another advantage of the nature of the restrained jointing systems is that the installation can be readily accomplished by using the cartridge method, unique to segmented pipe like ductile iron, where limited access in the launching area requires each pipe joint to be assembled as the pipe is pulled. Of course, the more common assembled-line method where pipes are pre-assembled on an adjacent right of way then pulled in as a single unit is also available.

Although ductile iron pipe itself doesn’t bend, the joints are defl ectable. So, in most sizes, just as with pipes that may fl ex during installation, the restrictions on the radius of curvature of the borepath are self-imposed by the HDD contractor based on the

length of the drill rods used.Another noted advantage of ductile

iron pipe in HDD applications comes from the high modulus of elasticity and the low coeffi cient of thermal expansion. The effect is that ductile iron HDD-installed pipelines undergo relatively little thermal or pulling recoil movements.

With the growing demand for water and wastewater infrastructure renewal and a movement to reduce the social/economic impact on ratepayers that can be associated with open-cut construction, trenchless installations using HDD will certainly play an increasing role. Public works personnel and contractors who have always relied on ductile iron pipe in traditional pipeline construction have increasingly afforded themselves of the opportunity to install high-strength, durable ductile iron pipe for HDD projects.

Gregg Horn, P.E., is president of the Ductile Iron Pipe Research Association.

HDD & Ductile Iron Pipe Becoming Fast Friends

TECHNICAL FORUM

By Gregg Horn

CALENDAR OTHER NOTABLE EVENTS

FEBRUARY

11-14 NASSCO Conference, Palm Springs, Calif., Web site: www.nassco.org

11-15 PLCA Conference, Carlsbad, Calif., Web site: www.plca.org

17-19 CGA Excavation Safety Conference & Expo, Orlando, Fla, Web site: www.cgaconference.com

22-27 DCA Convention, Maui, Hawaii, Web site: www.dca-online.org

25-28 Pumper & Cleaner Environmental Expo, Louisville, Ky., Web site: www.pumpershow.org

27-4 PCCA Convention, Big Island, Hawaii, (800) 542-7222, E-mail: [email protected], Web site: www.pccaweb.org

MARCH

22-26 Corrosion 2009, Atlanta, NACE, (281) 228-6200, Web site: www.nace.

org/nace/content/conferences

APRIL

19-22 Collection Systems 2009, Louisville, Ky., WEF, Web site: www.wef.com

JUNE

14-17 Rapid Excavation and Tunneling Conference, Las Vegas, UCA of SME,

Web site: www.retc.org

AUGUST

16-19 ASCE Pipelines, San Diego, Calif., ASCE, (703) 295-6000, Web: www.asce.org

FEBRUARY 9-12 Microtunneling Short

Course, Golden, Colo., Colorado School of Mines, Web: www.microtunneling.com

MARCH 29-April 3 2009 International

No-Dig, Sheraton Centre Toronto, Ontario, Canada, (330) 467-7588; Fax: (330) 468-2289

Web site: www.nastt.org

SEPTEMBER

23-25 Tunneling Short Course, Colorado School of Mines, Golden, Colo., (303) 444-2650, Web: www.microtunneling.com



Manufacturer’s Representatives Wanted

North American Territories

Sprayroq Inc., a leader in spray applied, quick curing polyurethane lining systems for water and wastewater system rehabilitation, is seeking Manufacturer’s Representatives for multiple territories throughout North America. Rooted in structural manhole rehabilitation, our core product, Spraywall, has evolved into a very diverse product used in virtually all man-entry applications in both water and wastewater applications. With NSF 61 approval, Spraywall is a truly diverse product. Our new line of fl exible polyurethanes, SprayShield Green, is comprised of 28-35% renewable sources polyols thus reducing the demand for petroleum based materials.

Qualifi ed rep fi rms must demonstrate superior knowledge of the wastewater and trenchless technology industry. We are seeking fi rms with a limited number of product lines that are vertically aligned with rehabilitation techniques employed by municipal and industrial clients.

Marketing support (co-op monies, literature, dvd’s, selling tools, webinars, etc.), strong commissions and a new contractor signing bonus are part of the off ering that we have for the top manufacturers representative fi rms. Successful promotion of this product line dictates a technical sales mentality. Experience selling to/through specialty utility contractors, engineers and government agencies is required. No order takers please.

Visit our website at www.sprayroq.com to fi nd out more about our products, the Sprayroq Certifi ed Partners program and our marketplace.

For additional details, contact:

Chris Fountain, Marketing ManagerSprayroq Inc.

PO Box 101717Birmingham, AL 35210

[email protected]

TRENCHLESS CONTRACTORS

Circle 213 on reader service card.

Circle 214 on reader service card. Circle 215 on reader service card.

6104 Fenkell Rd.Andover, OH [email protected]

Jason M. Hockran, V.P./OwnerOffi ce: 440-293-8911

Mobile: 440-862-0470

Directional Drilling• Pipe Bursting/Reaming• Equipment Sales• General & Industrial • Contracting

Over 25 years construction experience!

Manhole Rehabilitation GuideNOW ONLINE

www.trenchlessonline.com (Click on Manhole Rehabilitation Guide banner)

There are currently about 20 million manholes in the United States, and according to reports, more than half of them were installed before 1960 and are nearing or have exceeded their design life. That means plenty of opportunity for those involved in manhole repair and replacement.

Take a look at the Manhole Rehabilitation Guide online for an overview of the history and components of manholes, as well as the available methods of rehab. There is also a directory of product manufac-turers and suppliers in addition to a sampling of their latest wares.



BUSINESS CARDS

Circle 200 on reader service card. Circle 202 on reader service card.

Circle 203 on reader service card.Circle 201 on reader service card.

Did you miss the 3-part webinar series - New Construction Using Trenchless Techniques?

Visit the webinar page on www.trenchlessonline.com and view the archived version!

www.trenchlessonline.com (click on Webinars)

Session 3:

GPR Basics and Data

Interpretation

SPONSORED BY

Session 2:

Successful Methods of Boring Hard Rock and Mixed Ground

for Utility Tunneling

SPONSORED BY

Session 1:

HDD: Focusing on Future Technology, while Overcoming

Modern Applications

SPONSORED BY



A few years ago I was approached to lead the marketing organiza-tion of an engineering services

firm in an “extremely high growth mar-ket.” At the time I knew nothing about trenchless technology, let alone cured-in-place pipe. But as a 17-year veteran of a Fortune 500 automotive compo-nent supplier living in the imploding economy of Detroit, the comment about growth struck a nerve. I decided to explore the opportunity further.

What I found was compelling. The business opportunity reflected a crumbling water and wastewater infrastructure that had been the victim of its own success, not just in North America, but globally. Millions of gallons of raw sewage were being dumped into pristine national landmarks. Entire cars and, in a few cases even people, were being swallowed by giant sinkholes.

Municipal administrators were valiantly trying to address these issues, but the available funding could barely scratch the surface. The public-at-large didn’t want to hear about it. We had all grown so accustomed to these systems working flawlessly that the growing magnitude of the problem escaped our notice for too long. Out-of-sight, out-of-mind — until the problem became impossible to ignore and the price tag nearly impossible to accept.

I grew even more intrigued when I began to understand the technology that exists to help address the situation. Professionals within our industry have been talking about rehabilitating pipes without digging them up for so long that they forget how novel the idea is to residents of most places where the work needs to be done.

Since joining the industry, I have seen local newspapers so enamored with the technology that they have reported at length on jobsites without the prodding of corporate sponsors or local officials. New York City pedestrians, who typically act blasé about construction activity, stop workers to ask questions about the technology that is helping revitalize their city.

The opportunity is vast and the technology is impressive; new technology arrives every day, expanding the reach of trenchless into drinking water as well as wastewater applications.

But the piece de resistance is that this is an industry that serves social, as well as corporate objectives: good business that simultaneously reduces pollution, minimizes commercial and residential disruption and protects natural resources. Workers in our industry, both blue collar and white collar, can leave work at night confident that they have helped make the world a better place.

I am sure that sounds sentimental to many industry veterans. Yet when you considers the challenges facing our industry, it is key to making the right business choices in the years ahead.

Foremost among those challenges are: 1) funding for infrastructure renewal and 2) workforce sustainability. Everyone knows the issues pertaining to the first. It is my fervent hope that legislative activity soon finalized between President Obama and Congress, including the much-talked about stimulus package, will have a significant impact on our funding constraints.

Certainly infrastructure, including water and wastewater, is a much hotter topic today than it was even two years ago. The more the public-at-large understands the social and environmental benefits of what we do, the greater the likelihood of political support. Now is the time to market ourselves aggressively.

In the long run, the second challenge may be the more pernicious of the two. Most industries are facing workforce shortages in the years ahead due to well-known demographics of insufficient young workers to replace baby boomers as the latter age and eventually retire. The water/wastewater sector is expected to be among the hardest hit. There are several reasons for this, but according to the Final

Report of WEF’s Task Force on Workforce Sustainability, a key issue is “Poor image of the industry or working conditions.”

By the very nature of what we do, our sector is and will always be a dirty industry. To help offset this, if we are to attract, develop and retain our share of younger professionals, we need to focus on exactly the kind of social and environmental considerations noted above. In a recent article about the Millenials (roughly defined as the population born between 1980 and 1995) Aaron Green notes:

“Millennials …want to work for an organization that is socially responsible and aware. Corporate cultures will continue to see an upswing in altruistic efforts, including support of community events, donations to charitable causes, and environmental best practices. Millennials are attracted to and retained by companies that prioritize these efforts.”

I’ve had the good fortune of working with Millenials who are as intelligent, energetic, creative and dedicated as anyone we would want to attract to our industry. As with all individuals, numerous factors impact their career choices. But it is clear to me that the environmental and social benefits comprise a key reason they are driven to excel in our industry. These benefits must figure prominently in the public relations campaign the WEF Task Force envisions to “…improve public perception of the water industry.”

This is a great industry. While I am currently unaffiliated and in transition, I would very much like to remain a part of the industry for the same reasons that attracted me to it in the first place. Despite our current economic challenges, the years ahead will be exciting for water and wastewater infrastructure if we market ourselves with an eye toward the future.

Bob Zirlin most recently served as director of marketing for Insituform Technologies.

POINT OF VIEWNow Is the Time for the Trenchless

Industry to Market Itself Aggressively by Bob Zirlin


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