ISTT Recognises Mears Group for Complicated Installation

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ISSUE 38 | WINTER 2018

The official publication of the International Society for Trenchless Technology

AWARD-WINNING ISTT recognises Mears Group HDD for complicated installation – PAGE 16

No-Dig flourishes in NASTT No-Dig Findings of CIPP 14 the Americas 26 Show preview 47 report challenge ISO 9001:2008 FM 56735 FM 588513 17-12-11-012_ID18023_eAZ_HDD_Trenchless International_210x297_RZgp

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INSIDE TRENCHLESS INTERNATIONAL

16 | Cover Story PROJECT AWARD Mears Group has received as ISTT Award at Trenchless World Congress for a challenging HDD installation in Florida, US.

14 26 FP AD 2

GREAT SOUTHERN PRESS PTY LTD Primus Line ACN 005 716 825 ABN 28 096 872 004 Suite 1, Level 3 169-171 Victoria Parade Fitzroy VIC 3065 Australia

TEL: +61 3 9248 5100 REPORTS NASTT NO-DIG SHOW [email protected] From the Chairman’s desk 6 Event preview 26 www.trenchlessinternational.com Executive Director’s report 7 Exhibition Hall preview 28 EDITOR: Aries Industries releases sewer sentinel 30 Nick Lovering NEWS JOURNALIST: UV lights the way for larger liners 31 Chloe Jenkins World wrap 8 SALES MANAGER: Herrenknecht’s segments of success 32 Dave Marsh News in brief 10 INTERNATIONAL ACCOUNT Beat the bend with Primus Line 34 MANAGER: TRENCHLESS WORLD CONGRESS TRACTO-TECHNIK reveals Jessica Kliese HEAD OF DESIGN: Katrina Rolfe No-Dig flourishes in the Americas 14 Asia Pacific name change 35 PUBLISHER: Project Award (New Installation): UNDER NORTH AMERICA Annie Ferguson ISSN: Mears Group 16 1836-3474 CGA reports the damage 36 Project Award (Rehabilitation): SADE 18 HDD facilitates TransCanada’s SALES AND SUBSCRIPTIONS: New Machine Award: Herrenknecht 20 rapid expansion 38 Suite 1, Level 3 Student Award: Tomáš Urbánek 22 Target acquired with McLaughlin 41 169-171 Victoria Parade UKSTT Award-winner comes Fitzroy VIC 3065 Australia to America 42 TEL: +61 3 9248 5100

2 | WINTER 2018 | TRENCHLESS INTERNATIONAL Follow us on Twitter @TrenchlessInt | trenchlessinternational.com AquaPipe_TI_June_216X303.pdf 1 15/06/2015 3:34 pm

| CONTENTS |

CIPP 38 42 Testing pressure CIPP under dynamic loading 43 Rapid refurbishment required 46 Concerns over report into CIPP safety 47 PROJECTS Jackcontrolled microtunnelling 50 Leighton Asia’s deep dive into purified water 52 INTERVIEW Talking Trenchless with Oliver Lam 53 COMPANY NEWS Aussie Trenchless’ HOT SLEEVE 46 seals the deal 55 TTC REPORT TTC supports trenchless in China 56 EVENTS UKSTT Annual Dinner and Awards Ceremony 58 C

Pipe and Sewer Conference 59 M

Events in brief 60 Y

REGULARS CM FP AD 3 About the ISTT & Membership 62 MY Affiliated society details 62 CY Advertisers’ index 64 CMY Upcoming events 64 K Sanexen Features and deadlines 64

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FREE Trenchless International e-newsletter The latest news, events and project updates emailed fortnightly. This magazine is an official publication of the International Society for Trenchless Technology (ISTT) and is distributed free to WAT ER M AI N RE HAB ILITATI ON members and other interested parties worldwide. It is also available on subscription. SUBSCRIBE TODAY! The publishers welcome editorial contributions from interested parties. However, neither the publishers nor the ISTT accept trenchlessinternational.com responsibility for the content of these contributions and the views contained therein which will not necessarily be the views of the • Class IV Structural liner • Proven and tested • Service connections reinstated from within • publishers or the ISTT. Neither the publishers nor the ISTT accept responsibility for any claims made by advertisers. All communications should be directed to the publishers. Remember to email your news, views and Unless explicitly stated otherwise in writing, by providing editorial material to Great Southern Press (GSP), including text and images, you are providing permission for that material to be subsequently used by GSP, whole or in part, edited or unchanged, article ideas to a technology developed by: alone or in combination with other material in any publication or format in print or online or howsoever distributed, whether [email protected] 1-800-263-7870 produced by GSP and its agents and associates or another party to whom GSP has provided permission. www.aqua-pipe.com 4 | WINTER 2018 | TRENCHLESS INTERNATIONAL Follow us on Twitter @TrenchlessInt | trenchlessinternational.com | REPORTS | | REPORTS |

FROM THE EXECUTIVE CHAIRMAN’S DESK DIRECTOR’S REPORT

appy New Year to all our readers and membership structure and evolving market he ISTT is preparing a strategic plan to that one of the principal challenges facing the members of the international trenchless conditions requires cyclical internal guide our activities over the next few industry is convincing municipal officials of family.H Welcome to 2018, a year that already reorganisation and the development of a new Tyears, which will be presented to the the economic and social benefits of trenchless. promises to be filled with a lot of activities and operating plan. Board of Directors at the annual meeting in This is an awareness and educational issue new developments in the world of Trenchless The new strategic plan is now under design Cape Town, South Africa in October. that I feel the ISTT can help with through Technology. Last year was a busy one for the by the ISTT’s upper management team and As part of the team authoring the plan, I am the better communication and transparency International Society for ISTT. It has been a long time since the will soon be ready to be circulated among pleased to report that we are focusing our of information. Trenchless Technology association had two international events in one board members for comments and initial efforts on ideas that provide real benefits to The trenchless industry realises it plays a year and I am happy to say that ‘Trenchless in review, in order to have it as main point of the Affiliated Member Societies and the critical role in pressing national and istt.com the Americas’ was a great success. discussion and approval at the Board Meeting individuals and companies that support international issues, particularly urban [email protected] The shows in Washington D.C., in in Cape Town, South Africa in October, in trenchless around the world. infrastructure. A recent report by the World cooperation with the North America Society conjunction with the 2018 International As an international society, it is critical for Bank, which evaluated hundreds of Special CHAIRMAN: Enrico Boi for Trenchless Technology (NASTT), and No-Dig Show. the ISTT to assure that its efforts are Economic Zones in developing countries, [email protected] Medellin, Colombia, hosted in cooperation communicated effectively and transparently noted that the lack of timely and economic VICE CHAIRMAN: Jari Kaukonen with the Colombian Institute for Subterranean EDUCATION AND TRAINING to its ‘customers’, the Affiliated Societies and placement of infrastructure as the zones were PAST CHAIRMAN: Derek Choi Infrastructure Technologies and Techniques Towards the end of 2017, the ISTT membership of the society. being developed was a factor in determining EXECUTIVE DIRECTOR: Peter Smeallie (CISTT), once again showed how strong and announced the results of the second The ISTT is jumping out of the gate on the success of these critical incubator zones. [email protected] healthy industry is throughout the whole Education and Training Grant Program, improving communications soon with the I come out of the research and ADMINISTRATIVE ASSISTANT: Kyoko Kondo region. To read more about the Trenchless which was approved by the ISTT Board in release of our newly redesigned website that development world, and I see the subsurface [email protected] World Congress turn to page XX. 2015 and funded last year for ₤10,000 will offer increased access and information for industry taking advantage of advances being At Trenchless World Congress’ Gala (US$12,200). By consensus, the following members and the general public. The new made in related fields, particularly in the oil THE ISTT TEAM Dinner, the ISTT once again recognised the two proposals were selected to receive a grant website will not only allow better and gas sector. I attended a workshop a Matthew Izzard – UKSTT recipients of its annual awards. of ₤5,000 (US$6,100) each to complete the communications between the association and couple of years ago where recent research Trevor Gosatti – ASTT Congratulations to all the award winners, educational projects: its members (both ways), but will also allow results from the petroleum world were Jens Hoelterhoft – GSTT who respectively displayed ground-breaking • The Iberian Society for Trenchless general users to get a sense of the world of presented to a number of mining executives. Stanislav Lovecký – CzSTT advances in no-dig methods. To read more Technology (IbSTT) will produce a trenchless technologies. I could see light bulbs going off, and I am Keh-Jian (Albert) Shou – CTSTT Kim Staheli – NASTT about the awards turn to page XX. Spanish language course, made up of The site will offer greater transparency on pleased to report that those connections are Yasin Torun – TSITT Last year wasn’t only busy because of its 10 modules. Each module will include the workings of the ISTT. Meeting still being maintained. conferences, with the ISTT overseeing some enough knowledge to understand the summaries, new and existing policies and With effective communications and important changes in managerial positions. basics of Trenchless Technology procedures, and other information will be transparency, the ISTT can help facilitate this EXECUTIVE DIRECTOR, ISTT 1201 North Nash Street, Apt 605 Peter Smeallie was appointed as the association’s applications in the fields of water, posted on easily accessible pages. cross-industry collaboration, and improve and Arlington, VA 22209 new Executive Director, succeeding John power, gas and telecommunications. Transparency allows for informed and open increase the use of Trenchless Technology. United States Hemphill who, after many years supporting • The NASTT was also granted funds discussions with all speaking from the same Tel: +1 703 683 1808 trenchless, decided to retire. Important changes to produce two new publications: page of information. Peter Smeallie were also seen on the Guarantor side, where ‘Volume No. 1 – New Installations, Over the course of my eight months as ISTT Executive Director KYOKO KONDO (MS.) Martin Kane was elected as new Chairman of First Edition (2017)’ and ‘Volume No. Executive Director, I have heard repeatedly [email protected] ADMINISTRATIVE ASSISTANT, ISTT the Guarantors, succeeding Colin Bland, who 2 – Rehabilitation Techniques, First 3rd Nishimura Bldg., also decided to retire after similarly supporting Edition (2017)’. These publications 2-11-18, Tomioka, Koto-ku, Tokyo 135-0047, Japan trenchless for many years. will be used as companion documents Tel: +81 3 5639 9970 for the NASTT’s Introduction to FAX: +81 3 5639 9975 MANAGEMENT CHANGES Trenchless Technology Training During 2017, the ISTT management team Courses. REGISTERED ADDRESS: decided to review the strategic actions of the 15 Belgrave Square society to better deploy its scope. This is not Enrico Boi London, SW1X 8PS the first time this activity has been carried out ISTT Chairman UK and it will not be the last. Changes in the [email protected]

CITY OF OTTAWA PREPARES FOR CROSS-TOWN TUNNELLING MODULIFT MODULE RETRIEVES MTBM FROM SEA The Dragados–Tomlinson joint venture (JV) has begun to assemble Modulift has custom designed a lifting beam for Stockton Drilling, which was used to recover a 28 t, 18 m long microtunnel boring the tunnel boring machine that will be used to deliver the City of machine (MTBM) completing subsea works at the Beatrice Offshore Windfarm/Direct Pipe Landfalls (BOWL) project in Portgordon, Ottawa’s CA$232.3 million (US$181.9 million) Combined Sewage Scotland. Stockton’s scope of work on the BOWL project included the trenchless installation of two independent 48 inch Storage Tunnel (CSST). The CSST, the City of Ottawa’s second (1,219 mm), 450 m steel landfalls for high velocity cables using Herrenknecht’s hybrid microtunnelling and pipe jack DirectPipe largest infrastructure project, will comprise two interconnected system and AVN1000 microtunnelling machine. The 16.6 m lifting beam, which weighs 34 t, was attached to the MTBM, allowing tunnels – the North-South Tunnel and the East-West Tunnel – a 120 t capacity crane to hoist the machine from the water onto a multi-cat workboat for return to Buckie Harbour. running for 6.2 km, at a depth of 10–31 m, with the capacity to store 43,000 m3 combined sewage to be sent to a sewage treatment plant. Construction began in 2016; it is anticipated that the CSST will be in operation in 2020. TSITT REPORTS GROWTH OF TRENCHLESS IN TURKEY The Turkish Society for Infrastructure and Trenchless Technology (TSITT) has reported rd PPI AWARDS ISCO continued growth in its local industry in 2017. Since hosting the ISTT’s 33 International No-Dig Conference and Exhibition in 2015, TSITT has witnessed a rise in the number INDUSTRIES PROJECT OF of trenchless projects in Turkey, including 10 CCTV inspection and cleaning projects THE YEAR in 2017. More than 5,000 km of pipeline will be inspected and cleaned as part of the ISCO Industries has been awarded the projects during 2017-2019. Additional trenchless projects have been announced for Plastics Pipe Institute (PPI) Project of 2018-2020, including more than 200 km of cured-in-place pipe and close-fit sliplining the Year after completing the longest operations, and more than 100 km of microtunnelling, pipe jacking and HDD operations. horizontal directional drilling (HDD) installation of high density polyethylene (HDPE) pipe in Canada and the US. After a 54 inch (1,371 mm) pre-stressed concrete TBM BREAKS THROUGH IN LUCKNOW cylinder pipe sanitary sewage force A TERRATEC tunnel boring machine (TBM) has broken through to main – servicing 92,000 residents – complete the first tunnel of the US$1 billion Phase 1 Lucknow Metro was found to be at risk of catastrophic North-South Line Project in Uttar Pradesh, India. The TBM, named failure in Miami Beach, the City of Gomti, was the first to break through at an official ceremony attended Miami Beach opted for HDD to install FERC APPROVES HDD OPERATIONS ON ROVER by workers and officials from TERRATEC, Gulermak–TATA Projects the pipeline and ISCO Industries PIPELINE joint venture (JV), and the Lucknow Metro Rail Corporation (LMRC). was contracted to provide technical The capital of Uttar Pradesh, Lucknow, is the most populated state assistance, pipe fittings and fusion Energy Transfer Partners has received US Federal Energy Regulatory in India, and requires updated transport infrastructure to cope with services. Two strings of pipe – Commission (FERC) approval to resume horizontal directional drilling (HDD) the rapid population growth. Phase 1 of the two-line Lucknow Metro 914.5 m and 366 m – were installed operations on the Rover Pipeline Project. The 713 mile (1,147 km) Rover System comprises a number of underground tunnels as part of the 3 beneath a roadway, and fused during Pipeline is designed to transport up to 92 million m of natural gas per day 22.88 km North-South line. pull through using a MegaMc® 2065 from the Marcellus and Utica Shale production areas to markets across the fusion machine. US, as well as into Union Gas’ Dawn storage hub in Ontario, Canada. FERC has approved HDD operations at nine locations along the pipeline, which are expected to begin within the week. There is a focus on completing the Captina Creek HDD in Belmont County, Ohio, which will allow the full Phase 1 portion of the project to be put into service by the end of the year after Phase 1A was METRO TUNNEL AWARDS LARGEST CONTRACT put into service on 31 August 2017. It is anticipated that the Rover Pipeline The state government building one of Australia’s largest transport Project will be fully operational by the end of March 2018. infrastructure projects has named the joint venture (JV) that will deliver the project’s most significant contract. Victorian Premier Daniel Andrews announced that CYP JV – comprising Lendlease Engineering, John Holland, Bouygues Construction and Capella Capita – has been awarded the AU$6 billion (US$4.6 billion) tunnels and station contract as part of the Metro Tunnel in Melbourne. The JV will build twin 9 km tunnels and five new underground stations, as well as finance, design, construct and maintain the stations and tunnels for approximately 25 years. The SASTT PREPARES FOR NO-DIG SOUTH AFRICA finalising of the contract paves the way for construction on the tunnels The Southern African Society for Trenchless Technology (SASTT) has already started preparing for the ISTT’s 36th and stations to begin in 2018. Annual International No-Dig Conference and Exhibition, taking place in Cape Town in South Africa on 8-9 October 2018. No-Dig South Africa’s program will explore a range of new infrastructure installations, as well as extensive renovation methods for ageing underground services that continue to be carried out across South Africa. The exhibition will feature a number of equipment and service displays for local and international visitors, including HDD equipment, pipe rammers, pipe bursters, pipe inspection tools, CCTV surveying equipment, pipes and lining material, cleaning equipment, consulting services and more. INTERESTED IN SHARING YOUR COMPANY NEWS ONLINE AND IN PRINT? Contact Journalist Chloe Jenkins to find out more: [email protected]

MISSED THE FALL VERMEER ACQUIRES “Now, we look forward to having the BLUETECH RESEARCH BlueTech’s experience in market analysis, GOLDER PURCHASES McLaughlin team and the products they combined with its collaboration with EDITION? CATCH UP REMAINING MCLAUGHLIN design and manufacture become part of the AND WEF SIGN MoU technology initiatives – such as WEF’s ALAN AULD GROUP comprehensive solution Vermeer provides to BlueTech Research and the Intensification of Resource Recovery (IR2) ONLINE! ASSETS Global engineering and consulting the utility market.” Water Environment Federation (WEF) have Forum, or WEF and the Water Environment company, Golder Associates, has The latest edition of Trenchless Vermeer Corporation has acquired the In Greenville, McLaughlin will continue to signed a Memorandum of Understanding and Reuse Foundation’s Leaders Innovation entered into a definitive agreement International is now available to be remaining assets of drill tooling and vacuum operate under the McLaughlin name, with (MoU) to enhance collaboration and Forum for Technology (LIFT) – will help to purchase the assets and ongoing read online. The digital edition can excavation company McLaughlin Group, previous Vermeer Lifecycle Solutions Senior advance water industry technologies. bring new water technologies to the field. operations of the Alan Auld Group a be viewed on a tablet, computer, or after previously acquiring a minority interest Director Dave Van Wyk serving as The agreement will see knowledge “BlueTech has a long history of working global provider of specialised smartphone and contains bonus in the company in 2012. General Manager. development and information sharing closely with the WEF and I am delighted to engineering design and construction interactive content not available in “Our initial investment in McLaughlin McLaughlin Group President and CEO through a number of initiatives, including a be able to strengthen this relationship with a services for underground structures. the print version. created the ideal opportunity to determine Dave Gasmovic will take the role of Business visiting scientist fellowship program that will formal MoU relating to the visiting “Like Golder, the Alan Auld The issue contains: how the company culture and product Development Manager, and Sales Director allow BlueTech water technology market fellowship program,” says BlueTech Research Group has built a strong reputation • An article on the rehabilitation of portfolio fit within our organisation,” says Jeff Wage will continue to lead the analysts to work closely with WEF team Chief Executive Paul O’Callaghan. for developing practical solutions to two Italian drinking mains Vermeer Corporation President and CEO McLaughlin sales group. members on joint initiatives. complex challenges,” says Golder effected by seismic activity using Jason Andringa. Primus Liners CEO Dr Hisham Mahmoud. “The group’s skills and resources are • An interview with NASTT Chair RELINEEUROPE, RELINECHINA and RELINE UV GROUPS highly complementary to ours and and Aegion President of RELINEJAPAN. will allow us to expand our leadership Infrastructure Solutions Frank FORMS US SUBSIDIARY Jerold L. Botts, an expert with more position and offer greater expertise to Firsching than 35 years of experience in trenchless our clients globally.” • A look at the largest Trenchless The RELINE UV® Group has formed a sewer rehabilitation in the US, has been Speaking on the agreement, Technology project ever subsidiary in the US, RELINE UV named as COO of the new company, while Alan Auld Group Managing Director undertaken in Medellín, Colombia Technologies LLC, to supply its ultra violet Christian Noll has been appointed CEO. John Elliott says, “We at Alan Auld • An article on a HOBAS sliplining (UV) cured-in-place pipe liner products, RELINE UV Technologies is in process of Group are excited to be joining project to replace a 100-year-old curing equipment and support equipment in locating a production facility for UV-curing Golder. We see a tremendous sewer in Niagara Falls the US, Canada and Central American pipe liners in the US; until completion of the opportunity to leverage our expertise • And much more! markets. Based in Orlando, Florida, the US production plant, North American projects and Golder’s global footprint and Trenchless International print subsidiary is in addition to RELINE UV are being supplied with glass fibre reinforced One of McLaughlin’s ECO75 series vacuum excavators. resources to better serve our clients.” magazine subscribers receive access to Group’s existing businesses, including polymer (GFRP) pipe liners from Germany. the digital flipbook ahead of the general industry, ensuring that they can stay up-to-date with the latest news, SHARE THE NO-DIG ♥ ‘I Trenchless’ stickers. Stickers are now HOBAS AND AMIANTIT applications in the water, irrigation, industry issues and technology. If you LOVE WITH TRENCHLESS available for purchase in the Great Southern wastewater, hydropower and industrial would like to know more about JOIN FORCES TO FORM INTERNATIONAL Press online shop. Visit the website to plant sectors. subscriber benefits, or are interested in purchase your set today: AMIBLU Both businesses provide alternatives to signing up for your FREE digital STICKERS www.gs-press.com.au/store traditional pipe materials, offering composite magazine subscription, contact The popular stickers have been making technology with increased efficiency and Trenchless International Editor Nick Do you love Trenchless Technology? their way around the world, and the Trenchless Glass reinforced plastic (GRP) specialists service life, while reducing corrosion and Lovering: [email protected] Adore all things HDD? Have a passion for International team loves to see where they HOBAS and Amiantit Europe have merged leakage issues. cured-in-place pipe? Don’t keep your end up. Once you receive your stickers in the their European business activities to form a With many important infrastructure feelings to yourself! Share them with the post, make sure to send us a photo: joint venture known as Amiblu. projects planned over the next five years in world with the Trenchless International [email protected] As Amiblu, the two once-competing Europe, Amiblu will be able to support the

I_Heart_Trenchless_International_Stickers_PRINT.pdf 1 23/01/2017 10:07 AM companies will combine their strengths to market and utilise the opportunity to I_Heart_Trenchless_International_Stickers_PRINT.pdf 1 23/01/2017 10:07 AM In this issue | Colombia | Australia | Mexico | Germany | Spain | Italy provide sustainable GRP pipeline network introduce more GRP-based solutions as the C

M Seismic M Y solutions across infrastructure and industrial best value on the market. Y Jerold L. Botts and Christian Noll. CM

relining MY

Pipeline rehabilitation in CY earthquake affected Italy CY CMY

CMY – Page 30 K K PROMOTE YOUR BUSINESS IN TRENCHLESS INTERNATIONAL

Trenchless International is the international clients, Trenchless International offers the objectives. If you are interested in developing

TM CONFERENCE DOES YOUR COMPANY HAVE AN ANNOUNCEMENT THAT YOU trenchless industry’s leading media brand, whole solution – print, online, branding a package that suits your business, contact EDITION

Taking trenchless to Disrupting the providing news and analysis via its multiple downtown Medellín campaigns and lead generation. Jessica Kliese: [email protected] TBM legacy FALL 2017 PAGE 16 | ISSUE 37 WOULD LIKE TO SEE FEATURED IN TRENCHLESS INTERNATIONAL? PAGE 48

TRI_Fall_2017_Cover_1up.indd 1 integrated online and print channels. It works with advertising supporters to For more information, visit

7/08/2017 4:02 PM Contact Journalist Chloe Jenkins to submit your news: [email protected] To ensure your products and services reach tailor a marketing strategy that optimises www.trenchlessinternational.com 100 per cent of your clients and prospective their responses and achieves their business

ICE CELEBRATIONS boring machines (EPB-TBMs) along brick-sewer rehabilitation by sliplining glass approximately 65 per cent of the route, with reinforced plastic liners. RECOGNISE TRENCHLESS the remaining distance being made up of It addressed issues such as the retention of PROJECTS IN KOLKATA elevated viaduct. discharge capacities of sewers, regaining The challenge of the project is to tunnel structural integrity, reduction in water Two Trenchless Technology projects in under the central business district of Kolkata, logging, protection against corrosion, future Kolkata, India have been recognised as part which contains 200 to 250 year old heritage cleaning and maintenance, and socio- of the Institution of Civil Engineers’ (ICE) buildings. environmental benefits, and overcame bicentennial celebrations. The project also includes the construction challenges including limited working The projects – the Victorian-age sewer of a 530 m crossing underneath the Hooghly hours (11pm to 5am) and maintaining the rehabilitation and the East West Metro River, which is the first transportation tunnel sewer’s operation. project – are among 200 civil engineering under a waterway that has ever been Trenchless Technology made the execution projects around the world that have been constructed in India. of the logistically complex rehabilitation recognised for their significant impact The project is being executed by the possible in one of the most heavily congested on society. Kolkata Metro Rail Corporation, costing an urban areas in the world. estimated £1.1 billion (US$1.48 billion). ICE is producing a commemorative book, EAST WEST METRO Construction started in 2009 and is featuring information on the majority of the The East West Metro project will connect expected to be completed in 2019. 200 projects, to mark the bicentennial Kolkata to Howrah, which sit on either side celebrations. of the Hooghly River. VICTORIAN-AGE SEWER It involves the construction of a 17 km rail REHABILITATION ABOUT ICE corridor from Salt Lake Sector-V, the IT hub The £32 million (US$41 million) sewer Founded in 1818 and based in London, of the city, to Howrah Maidan, which houses rehabilitation project, which started in 2007 UK, ICE is the oldest civil engineering one of the oldest railway stations in India and and was completed in 2011, included the society in the world. It counts more than CONTRA is one of the cities transport hubs. refurbishment of three major trunk sewers, 90,000 engineering professionals as members Twin 5.5 m diameter tunnels will be with a combined length of 12 km. of the association. constructed by earth pressure balance tunnel The project successfully executed a For more information visit www.ice.org.uk FP AD 4 NEW EDITOR FOR TRENCHLESS INTERNATIONAL NASTT No-Dig Show

After 12 months working as the Editor of Trenchless International, Annie Ferguson has been promoted within Great Southern Press to the role of Publisher. While Annie will no longer be involved in the day-to-day production of the magazine’s editorial, in her new position she will oversee the production of the international trenchless industry’s leading media brand. Nick Lovering, who previously acted as Trenchless International Assistant Editor, took over the role in July, with the Fall edition of the magazine his first in charge. Nick Lovering. Chloe Jenkins. “I am honoured to act as the Editor of Trenchless International,” says Nick. “Annie has done a terrific job in position of Journalist. Chloe previously worked “During my time working on the maintaining the high standard of the as an intern on the magazine from April, and magazine, I have developed a genuine magazine and continuing her great work is a has been with Trenchless International in a passion for the Trenchless Technology and challenge that I am relishing.” full-time capacity since June. developed a great working relationship with Joining Nick will be Chloe Jenkins, a new Nick Lovering can be contacted at the ISTT. addition to the editorial team occupying the [email protected]

TRENCHLESS WORLD CONGRESS: TRENCHLESS FLOURISHES IN THE AMERICAS

In 2017, the ISTT placed the spotlight on ‘Trenchless in the Americas’ by supporting events taking place in arguably the world’s strongest trenchless market in the US and a developing one in Colombia. The popularity of no-dig methods in the emerging market was highlighted by the Colombian President taking up a CISTT invitation to attend the event.

n September last year, the Colombian took place over two days at a total of CISTT Secretary Arlex Toro Rodriguez, Institute for Subterranean Infrastructure 16 hours. A cured-in-place pipe masterclass who was one of many organisers who worked TechnologiesI and Techniques (CISTT), from the United Kingdom Society for tirelessly to promote the event, says the supported by the ISTT, hosted the Trenchless Trenchless Technology’s Ian Ramsey was Trenchless World Congress was a success, World Congress in Medellin, Colombia. The similarly a highlight, as was the Trenchless adding that the general feedback from event, featured a full conference program, Technology Centre’s Tom Iseley’s workshop attendees was that it was “spectacular”. training courses and an Exhibition Hall on ground penetrating radar. However, Mr Rodriguez says the biggest featuring representation from companies A special Latin American Forum was also highlight of the event was a visit from from all over the world displaying the latest held as part of the event, with representatives Colombian President Juan Manuel industry innovations. from throughout the region discussing their Santos Calderón. implementation of Trenchless Technology. “The President accepted my invitation and THE NUMBERS Despite the limited training and literature it was a big surprise,” he says. The event managed to draw more than available in Spanish, the popularity of the “It is the first time an International 800 attendees, with almost 700 of those forum illustrated there is great interest in No-Dig attended by a president of a country.” coming from Latin America. Of these, no-dig methods in the Americas. The President also took the time to visit 61 were speakers, 174 were associated with The prestigious ISTT Awards were also the German Pavilion, with GSTT Executive one of the 65 exhibitors, 383 were presented during the event’s Gala Dinner, Director saying Mr Calderón was participants and 185 were visitors. recognising: Project of the Year (Installation), “open-minded and interested”. A post-event report released by the Project of the Year (Rehabilitation), New organisers of the event states that 28 utilities Machine, and the Student Award. For more LOOKING AHEAD from throughout Latin America were in information on the ISTT Award winners The successful event was a great proponent attendance at Trenchless World Congress, turn to page XX. for Trenchless Technology, not only in 41 per cent of which were involved in the The biggest international representation Colombia, but the whole of the Americas. water and wastewater industries. came from Germany, with more than The attendance, specifically from Latin The conference program featured 32 people from the country in attendance. American countries, illustrates that the future 53 sessions presented by 61 speakers, The German Society for Trenchless of the no-dig industry in the region is operating simultaneously across five rooms. Technology (GSTT) was one of the biggest emerging at a rapid pace. Two of the rooms included certified supporters of the event since it was Preparations have already started on the translators and translating equipment for the announced, organising a large pavilion for ISTT’s next International No-Dig, hosted by benefit of international attendees. the featuring companies, such as the Southern African Society for Trenchless Raedlinger Primus Line, Prime Drilling Technology, taking place on 8–9 October in CONFERENCE HIGHLIGHTS and TRACTO-TECHNIK. Other Cape Town. As the official publication of the Some highlights of the program included companies from the country, such as ISTT, Trenchless International is the best a presentation from the National Association Herrenknecht and ProKASRO, were also source for the latest information and of Sewer Service Companies, better known as represented with their own booths in the news, before and after No-Dig South NASSCO, on sewer pipe inspection, which Exhibition Hall. Africa 2018.

PROJECT AWARD (NEW INSTALLATION): high voltage power cables. Two 30 inch (762 mm) Fusible PVC® casing pipes (FPVCP), each 2,140 m in length, were MEARS GROUP installed in two parallel HDD bores, more than 18 m below the riverbed. Mears believes these installations are the longest lengths of Mears Group was recognised with the ISTT Project Award (Installation) for what it says was a record breaking thermoplastic pipe of any diameter to have installation of 30 inch FPVCP as part of the High Voltage Electrical Project in Florida, US. The complex been installed in a traditional, uncased HDD alignment, which was more than 2 km in length and included a water crossing, was completed using HDD. application, as well as being the heaviest single installations of FPVCP ever at approximately 385 t per casing. Each casing, supplied by Underground he project was part of Florida Power & and terminating at the Turnpike Substation. Solutions, ultimately housed four 10 inch Light’s (FP&L’s) upgrade to its Part of the proposed alignment included a (254 mm) and two 3 inch (76 mm) high Telectrical infrastructure in St. Lucie County, critical 2,133 m portion, crossing beneath the density polyethylene conduits in a specially Florida, included the placement resilient Indian River, located just west of the power formulated thermal grout/slurry. power transmission circuits that will support plant. Mears Group was contracted to The project required complex HDD its nearby nuclear power plant. The project complete this challenging section using equipment site set-ups to accommodate the involved the design, installation and start-up horizontal directional drilling (HDD) to necessary rigs and support equipment. of 22 km long, parallel 230 kV underground simultaneously cross and underground the The location of the exit point, in close power transmission circuits, starting at the two circuits, utilising two separate bores and proximity to environmentally protected and St. Lucie Nuclear Power Plant switchyard casings to house the required conduits for the sensitive mangroves, meant the company had to operate on a small site footprint. Mears used a 590 t HDD rig on the entry side of the bores and a 63 t rig at the exit point. It also used a mud recycling and pumping system less than 60 m from the exit bore. The company used its patented Mud Recovery System, which mitigates downhole pressure. The FPVCP was fabricated and assembled northeast of the drill exit site along Highway A1A. Each casing assembly navigated a 100° horizontal curve, was floated across Big Muddy Creek and navigated through an The Mears crew prepares the pipe string for the HDD water crossing. aerial insertion into the pit. The casing pipe was strung together on a then pulled through the material for the execution. The length of casing pipes, the narrow shoulder of the highway, where the entire length of each casing in order to accept No-Set grouting and the installation of cable segmented assembly process joined shorter the high voltage cables. conduits through the grout had never been sub-sections of pre-fused casing pipe to form The casings were installed during winter of achieved before. the total length. From the assembly location, 2015/16, with the conduits installed in the The newly installed circuits provide an the Mears crew had to navigate a 100° spring of 2016. Mears says engineering, additional method to transport power horizontal curve and a 274 m vertical curve expertise and diligence ensured a successful between the plant and the FP&L electric over the mangroves before the pipe could project completion, adding that the methods grid. Undergrounding the transmission be inserted. it developed show that similar installations lines has helped to safeguard the operation Guide casing and support piles were used – with lengths of 2,400-3,050 m – are of the nuclear plant and ensure the delivery to maintain radius in transition through possible if lengths of cross-linked of reliable electric service to FP&L’s water section of the installation. polyethylene cable, better known as XLPE, 4.8 million customers in instances of Once the HDD installations of the casings can be produced and delivered. inclement weather. Mears Group says the Mears personnel join sub-sections of pipe to assemble the were completed, Mears’ unique thermal Mears says the complex and unique nature project wouldn’t have been possible if it 2,140 m length of pipeline. grout/slurry, No-Set™, was used to fill the of the project required its team to be were not for the efforts of the whole Construction equipment raises the pipe string. casing pipes. Cable conduit bundles were innovative and creative in their approach and project team.

PROJECT AWARD (REHABILITATION): SADE and install the glass fibre reinforced plastic (GRP) shells. The outfall varies in depth from 40 to French company SADE STS is close to completing a marathon four-year rehabilitation of a 6.4 km stretch 105 m and included parts that had been of sewer that connects to a treatment plant in the south of France. Overcoming a lack of access to the severely damaged by H2S gases, resulting in a contaminated atmosphere. The most technical construction site, a remote location and dealing with a contaminated environment, were among the reasons aspect of the contract was the installation of the project was recognised with the ISTT Project Award (Rehabilitation) for 2017. the GRP shells, designed and specially constructed by HOBAS France, a subsidiary of the HOBAS Group.

our years ago, Sade Travaux Spéciaux TRANSPORTATION SYSTEM GRP INSTALLATION (SADE STS) was awarded a contract for SADE designed a solution that took into The works were carried out in four phases Fthe rehabilitation and operation of a critical consideration the conditions and location of without causing any interruption to the sewer main in Toulon, France, worth an the rehabilitation, which included the service of the sewer. SADE had to take into estimated €35.5 million (US$42.5 million). installation of a transportation system – consideration the safety of personnel onsite, The company was awarded the project by the composed of bespoke vehicles and trolleys as a result of contamination as well as the local municipality Toulon Provence operating on tracks throughout the sewer – behaviour of the sewer’s existing structure. SADE Ecuador CEO Fausto Reyes accepts the award on behalf of Mr Rault. Mediterranée and construction has been and elevators for the transport of materials In the first year of construction, the crews ongoing since 2014; it is expected to be and crew members. worked throughout the night to ready the damaged. The annular gap was filled from a chloride in combination with an air completed in the coming months. The decision was made to install the transport system needed to install the grout injection plant located on the surface ventilation system to neutralise the gas. As a The project includes the rehabilitation of temporary rail track because of the prefabricated shells over the length of the above the sewer. precaution, oxygen masks were also used in the sewer’s 6.4 km long outfall collector, complexity of accessing the depths of the sewer. During the day, crews prepared the soil The four-step process first shored up the sections close to where the gas was being which directs wastewater from the main grid collector and the considerable distance consolidation injections; over a period of six location of the panels, before a series of discharged; other hydraulic risks had also to a treatment plant located in Cap Sicié on between each entry pit, which was between months they worked to clean the sewer and three injections up the sides and eventually been considered, in particular the water level the coast, south of the city. 660 and 1,666 m. Three rail tractor units were apply the protective coating. onto the roof of the GRP structures. rising in rainy conditions and the discharging The project also includes the operation and designed by SADE’s Technical Department In late 2015, the installation of GRP Finally, the panels were perforated and of hydrocarbons into the sewer. maintenance of the outfall for more than to install rails, transport personnel, materials commenced, starting from the either end of weepholes were installed, during which it As the project nears completion the final 20 years. SADE, along with subcontractor the stretch of sewer, with the shells was necessary to limit the hydrostatic steps are being taken by the construction team Hydrokarst, has partnered with CEO, a Veolia transported on the custom-made trolleys on pressure above the panels by draining the to ready the sewer. Remedial work is currently subsidiary, to cover the long-term operations. rails and pulled by a locomotive. The underground water. being completed, with the aim of treating the construction crew worked in shifts around material exposed to bio-sulphuric attack by the clock to progress through the sewer. SAFETY applying a corrosion resistant mortar. As of November 2016, 2,800 sections of Considerable safety measures had to be The work is taking place at night, when the GRP had been installed to create a second taken for the project, with the safe evacuation water is at its lowest level, and is expected to skin along the roof of the outfall. They were of personnel from the area in the case of an be completed at the beginning of 2018. then positioned and bolted into the structure emergency a major concern. Prior to Despite the challenges posed by the project along the ledge of the sewer and joined end construction commencing, an evacuation drill – namely difficult terrain, limited access, soil to end using a neoprene profile. was organised in collaboration with the local characteristics, the risk of flood and The installation was followed by the fire department, SDIS 83 and emergency contamination – SADE says its innovative, application of a protective coating to defend respondents to prepare those on the ground safe and technical planning means it will against corrosion resulting from the for the worst-case scenario. successfully complete the project on time. The sulfurated corrosive effluents in the SADE also introduced additional safety company says Toulon Provence Mediterranée atmosphere. measures in case of an emergency, such as technicians and officials are satisfied with the supplying canoes and wetsuits for rescue result and that its management of the unique GROUTING operations, and bedding metal profiles into project is a blueprint for similar construction The most sensitive phase of the the building’s masonry to provide anchor challenges in the future. SADE highlights rehabilitation involved the grouting of points. the project wouldn’t have been possible annulus between the existing structure and To deal with the presence of the without the involvement of its own A member of the rehabilitation crew inspecting one of the the GRP shell, as it was vital the GRP and contaminated H2S, a special treatment unit Pascal Rault and Marc Sadok of HOBAS shells inside the sewer. The GRP shells are inserted into the sewer. socket connections were not deformed or was designed using ferric nitrate and ferrous France.

NEW MACHINE AWARD: HERRENKNECHT limited in drive length, due to the available centrifugal slurry pump installed in the tunnel or shaft. These pumps require a minimum The integration of Herrenknecht’s Downhole Jet Pump – or DHJP – with pipe jacking and HDD has cross section of ID 30 inch (800 mm). extended the limits of both methods. The manufacturer says use of the DHJP, which was awarded the Due to its size and geometry, the new jet pump system can be installed in machines for ISTT New Machine Award for 2017, allows for longer installation lengths of small diameter pipes and tunnels and pipelines from ID 18 inch significantly lowers the risk of frac-out, resulting in cleaner holes and the ability to work in dry boreholes. (457 mm), making drive lengths of 1,000–1,500 m possible. The jet pump also requires low errenknecht predicts the new product will The sedimentation of the cuttings leads to than conventional HDD. In developing the maintenance due to its robust design, with no have an effect on several industries, not a reduction in the borehole cross-sectional tool Herrenknecht’s goal was to create a clean moving parts and sealings. For Direct Pipe®, A diagram showing the components of Herrenknecht’s AVNS350XB, the centre piece of its E-Power Pipe technology. Honly the pipeline industry where there is now a area, increasing pressure in the area and borehole. During operation with the DHJP, where a slurry machine and pipe thruster are possibility to lay small diameter pipelines increasing the probability of a frac-out. the operator is able to monitor the cuttings on used to install a pipeline in one step, the jet trenchlessly in one step without first building a Furthermore, the mass of the sedimentations the separation plant in real time, making it pump opens up the applicable diameter range larger casing tunnel. The new technology also can be so large in the inclined zones that it possible to create a borehole that is more than to a 20 inch (508 mm), as opposed to a offers environmental benefits, with reductions starts to slip in the axial direction. 98 per cent clean. 30 inch (762 mm), minimum. in CO² emissions and the probability of The risk of blocking the drill string is very Integrating the jet pump as a slurry pump inadvertent returns of drilling fluids. high in these zones. Based on the above PIPE JACKING with Herrenknecht’s AVNS microtunnelling For HDD, the DHJP can be installed findings, Herrenknecht made the following In the past, small diameter pipe jacking machine facilitates a conveying capacity of directly behind another of Herrenknect’s decisions when designing the DHJP: installations using slurry machines have been 1,000 L/min while simultaneously requiring products, the Full Face Hole Opener, to • The borehole is NOT a discharge line very little space. achieve a round and clean borehole (except during the pilot bore). The hydraulic unit integrated in the accompanied by reduced bentonite • The surface pump is NOT used as a machine is also unique, eliminating the consumption. The DHJP cleans the borehole discharge pump (except during the pilot coupling of hydraulic lines otherwise typical and removes the excavated material within bore). at this construction size, along with loss of The DHJP being used with the Herrenknecht’s Full Face Hole Opener. the drill rod, representing an innovation in • The complexity and tasks of the mud are performance. A measurement system ensures horizontal directional drilling (HDD). reduced to a minimum. that the bore alignment is precisely Despite being a relatively young technology, To combat the risk of frac-outs, the DHJP maintained and the machine can be used in developments in the length, diameter and absorbs cuttings from the bottom of the loose soil and soft rock up to 30 MPa. applications for HDD are made each year. borehole and pumps them via the drill string However, the method still possesses several to the exit side to surface. Due to the higher E-POWER PIPE limitations, such as the stability of boreholes in velocity of the discharge fluid, the system can The AVNS, integrated with a hydraulic gravel areas due to the frac-out risk. handle a maximum cutting size of up to unit and in combination with the jet pump 1.5 inch (38 mm), allowing for larger cuttings being used as a slurry pump forms what FRAC-OUTS Herrenknecht calls its E-Power Pipe® Frac-outs normally occur when the technology. The method allows for the pressure inside the borehole is higher than quick and secure installation of small the pressure that is generated by the diameter cable protection pipes overburden formation and the surrounding underground, with drive lengths of more ground water pressure. As the borehole is than 1 km. conventionally used as a discharge line for the The setup can be precisely controlled and cuttings created by reamers or hole openers, used with only small overburdens, offering a there are several mechanisms that lead to a ground-conserving alternative to the A diagram showing the conventional setup of an HDD discharge line (left) and the setup with the addition of the DHJP. clogged borehole. This can result in an over conventional open-cut method for high pressurised borehole causing frac-outs in voltage grid expansion. It allows underground used in the field in January 2017 in Borken, long drives started on 2 February 2017. the formations. cables to be installed close to the surface at a Germany. A Herrenknecht AVNS350XB Operations retuned a performance of up to In addition, the settlement of cuttings can minimum overburden of only 2 m across machine with an excavation diameter of 126 m per day on the pilot bore and a occur due to gravity. This depends on the long drifts. 505 mm was used, dimensioned for drive maximum daily performance of 266 m for the mass of the cuttings, the viscosity of the ISTT Executive Director Peter Smeallie and Chairman Enrico Boi, presenting the award to Herrenknecht’s Juan Carlos Moreno and The E-Power Pipe, which was first revealed lengths between 1,000 and 1,500 m. pull-in of the casing pipes, out-performing bentonite suspension and the flow velocity. Bruno Roeker. to the industry in December 2016, was first The pilot bore of the first of three 300 m its capacity.

STUDENT AWARD: TOMÁŠ URBÁNEK joint. The calculation was done using the MIDAS GTS NX software. In one cross- by Tomáš Urbánek, Technical University of Ostrava section, I selected a total of eight points in the soil near the structure where I observed normal stresses during the construction Tomáš Urbánek was the recipient of the ISTT Student or Young Professional Paper Award for 2017 for the (I considered both the structure and the stress following paper, which uses 3D modelling and soil studies to conclude it is possible to pipe jack a concrete structure, axially symmetrical). In a longitudinal section, I placed the under residential buildings, that will form sections of a proposed metro station in Prague, Czech Republic. cross-sections created this way in 14 profiles about 2.5 m apart; in total, I chose 112 points in which the total normal stresses in the soil he Náměstí Bratří Synků, or Bratří properties of the soil environment, both in in the immediate vicinity of the structure Synků Square, Metro Station is located terms of strength and deformation were monitored. The stresses at these points Ton the proposed route of the Prague metro D parameters. One of the ways to modify the were obtained for all the calculation stages; line and will act as an important transfer hub soil properties is by using freezing, where the this way I obtained 3,920 input values of between the city’s tram and rail lines. soil freezes and acquires the properties of stresses that are dependent both on the Construction of the new rail line, which concrete, creating an impermeable barrier. tunnel position and the construction stage. includes 10 new underground stations, is The second form of modification is through After the calculation, I obtained a set of expected to begin in 2019. the use of chemical grouting. load data at each point in 35 stages. From the The Bratří Synků Square station will be obtained data set, I determined the line load located under a block of residential houses JACKING THEORY of each point in the cross-section on the between Otakarova Street and the city square During pipe jacking, shear stresses occur structure during the particular jacking stages. of the same name. This paper outlines how on the surface of the structure due to From the transverse dimensions of the ISTT Executive Director Peter Smeallie and ISTT Chairman Enrico Boi present the award to Tomáš Urbánek. pipe jacking could be used to excavate under frictional forces between the surface of the structure and the particular position of the the buildings as part of the station’s structure and adjacent soil. The force that measured points, it is possible to easily reinforcing steel pipes will be created under maximum thickness at the jacking station is construction. The first excavated section transfers the contact stress between the system would need to be installed on the calculate the total load on the structure the foundations of the existing aboveground 2.5 m or 3.5 m, respectively, 11.5 m long and would pass under a courtyard area in a pushed structure and the soil is called upper and lower surfaces of the jacked during pipe jacking. The maximum value of buildings. The piperoofing technology is the full width of the shaft. residential block between Otakarova Street shear friction. structure, made of steel ropes wound inside the normal soil load on the tunnel is considered for depositing in the soil. During casting, maximum emphasis should and Bratří Synků Square. Under the row of The normal stress can be calculated the jacked structure. The rope is then led 319,520 kN = 31,952 t. Steel tubes with a minimum external be placed on the surface accuracy and the houses facing the Bratří Synků Square, there relatively easily, but finding the shear friction through the shield to the upper or lower diameter of 800 mm and wall thickness of final surface finish so that the concrete is as will be a 38.4 m long drive, followed by an coefficient between the structure and the soil surface of the structure and anchored to the SHEAR FRICTION COEFFICIENT AND 20 mm are then deposited from one accurate and smooth as possible. excavated section under the square. is harder as there is an inexhaustible quantity portal. When passing through the shield, the RESULTING SHEATH FRICTION construction shaft to the other by a In the area of the jacking station, the slab The station has been designed with of combinations of soils and materials, or the ropes are thoroughly lubricated to reduce the Thanks to the measurements made on the microtunnelling machine and are hinged is based on a pair of underground walls. two-lanes and an island platform that is structure surfaces. resulting friction to a minimum. already executed constructions, I was able to longitudinally with steel locks. The jacking station consists of a set of 11.26 m wide and 100 m long, with the rail In addition, for large structures with a The main advantage of this system is as determine the shear friction coefficient for After they have been deposited, they are 21 hydraulic cylinders with a maximum track at a depth of approximately 14 to 17 m rectangular cross-section, it is highly likely follows: when the tunnel moves in the our structure with a relatively high accuracy concreted and interlocked into the thrust of 800 t and a pulling length of 2.2 m. under the surface. The foundations of the that the soil will immediately come into direction of jacking, the installed ropes do not using a lubricating suspension and the underground walls securing the construction The hydraulic cylinders of the jacking existing buildings are proposed to sit a mere contact with the surface of the structure move against the soil; i.e. the movement and Ropkins system. Therefore, I chose the shear shaft with reinforced concrete beams. station are anchored in the reinforced 4 m above the ceiling slab of the station. before the grouting mixture can be applied, or friction forces occur between the rope and friction coefficient: The soil then is treated by freezing and concrete slab; the total length of the jacking The top layer of the geological formation it will settle even after the grouting mixture the surface of the tunnel, thus significantly μ = 0.25 chemical grouting. This facilitates the track is 38.5 m. The jacking force is consists of 2.5 m thick anthropogenic fill, has been applied. This dramatically increases reducing the overall shear friction. In Now we know all the values from which construction of the reinforced concrete bed transferred to the jacked tunnel structure by below which are quaternary sediments the frictional forces between the structure addition, the shear friction coefficient is not the resulting sheath friction M can be and jacking station. The bed serves as a base means of successively inserted and connected consisting of coarse-grained sandstone with a and the soil, and, technically, the jacking will dependent on geological conditions and is calculated: structure for concreting the tunnel structure 2 m long steel tubes made of S355 steel with thickness of 6 to 7 m. The pre-quaternary not be feasible. practically the same for all jacked structures. M = μ * ϭ and the jacked structure is simultaneously a total length of 38 m. base is made of fine clayey and mica shale. One of the systems that prevents soil from shifted along its upper face. At the same time, The extension tubes have been designed Quaternary layers and shales are fully water settling onto the structure was developed in DETERMINING SHEAR FRICTION JACKING PROGRESS the base plate transfers the force from the with an outside diameter of 600 mm and wall saturated to a depth of about 5 m. the 1970s in the UK by Clarkson and For the calculation of the normal stress on First, the construction shaft would be jacking station to the soil environment. thickness of 20 mm. A jacked part of the Ropkins, which is now known as the Ropkins the walls of the jacked structure, I made a excavated, before the foundations of the The structure is considered to be C45/55 station made of C50/60 waterproof concrete SOIL MODIFICATION System. 1 complete 3D model of the soil environment, above ground buildings by steel pipes, or reinforced concrete with ground plan will be concreted on the prepared base plate. For a successful execution of pipe jacking, In order to reduce the friction between the taking into account the aboveground piperoofing, is secured. Above the projected dimensions of 45.15 m by 25.1 m. The It is a reinforced concrete box with the it will be essential to make adjustments to the structure and the soil, a so-called anti-friction development, including its load on the base jacked tunnel, a rigid concrete slab with minimum thickness of the slab is 1 m; the dimensions of 38.4 m by 21.1 m and 9.1 m

ALL ABOUT PIPES

12-14 March 2018, Berlin, Germany

wide, with a column bearing system in the middle of the span. Conference and Exhibition Pipe jacking and the extraction of soil can now begin. For jacking, the most important on Pipelines, Pipes and Sewers thing is to ensure the proper functionality of the anti-friction system. Therefore, steel ropes 12 mm in diameter will be unwound between the soil and the lining, which will be anchored on the portal of the tunnel at one end so that they do not move. At the other end, they will be wound in rolls inside the jacked structure, where they will be gradually unwound from the jacking face as needed into the space between the soil and the structure according to the jacking progress. The remaining space will be grouted with a CONTRA bentonite mixture that includes friction reducing polymers. A steel pre-cutter will be placed onto the face of the jacked structure along the whole perimeter, which will provide A diagram showing the location of the station along the rail line. a 15 mm thick superstructure. FP AD 5 The anti-friction ropes will be placed in this space, which will eventually be grouted, ensuring that mutual friction occurs between the moving jacked structure and the steel ropes anchored in the portal. EITEP PTC The jacking process will take place in repeated strokes of 0.5-1m: extracting soil from the entire profile of the tunnel before jacking the structure into the excavated space while simultaneously unwinding the anti-friction steel ropes and performing lubricating grouting over the lining into the superstructure. A CONCLUSION

This paper demonstrates that jacking part Participating Operators‘ Origin 2015 - 2017 of the proposed station under the aboveground development is possible. Using 3D calculations, the stress-strain state of the soil and the structure during the execution have been evaluated, including the effect on the aboveground buildings. The maximum surface deformation is 15 to 20 mm. At preliminary gross time calculations, 100+ 50+ 70+ 600+ the construction time of the jacked part Operators Countries Exhibitors Delegates of the station is 820 days, which is in line B with the work schedule for the whole metro section. Computer modelling showing the vertical deformation (A) and the bending of the concrete lining (B). www.pipeline-conference.com www.pipeandsewer.com 24 | WINTER 2018 | TRENCHLESS INTERNATIONAL Follow us on Twitter @TrenchlessInt | trenchlessinternational.com

Trenchless.indd 1 18.12.2017 14:57:20 trenchless products that may be just what attendance at NASTT’s No-Dig Shows, as PRE- AND POST-COURSES you’re looking for on your next trenchless well as award scholarships. A series of educational training courses NASTT NO-DIG SHOW jobsite. For more information on who to visit In 2018, the Auction and Reception will will take place before and after the in the Exhibition Hall turn to page XX. feature a costume contest, a Hawaiian conference program. Introductory short The NASTT’s annual No-Dig Show will take place in Palm Springs, California on 25–29 March 2018. vacation and 50/50 raffle, a silent auction and courses on 25 March are suited for SOCIAL EVENTS a live auction. newcomers to the industry and for anyone The event includes a comprehensive conference program, a large exhibition with more than 190 companies The event’s range of social functions offers One of the trenchless industry’s most who is interested in seeking a refresher represented, and a number of educational training courses, making it a must-attend conference for attendees the opportunity to network with prestigious events, the Gala Awards Dinner, course on the Trenchless Technology underground infrastructure professionals. industry leaders in a relaxed setting. It all will take place on Tuesday 27 March. methods of rehabilitation and installation, starts with the Kick-Off Breakfast on Attended by leaders and colleagues from respectively. 26 March, which will provide a fun mix of across the industry, it honours those who have The NASTT’s well-known range of good networking, good food, the much-anticipated accomplished outstanding achievements in practices courses will be held across two days he NASTT No-Dig Show is the largest NASTT and Trenchless Technology their respective fields. on 28-29 March, covering: cured-in-place Trenchless Technology conference in magazine awards. The awards include the The NASTT will present and recognise its pipe (CIPP), sewer laterals, horizontal TNorth America and the world. Professionals NASTT’s 2017 Outstanding Papers in Hall of Fame Class of 2018, as well as the directional drilling (HDD), pipe bursting attend the event to learn new techniques that Rehabilitation and New Installation, as well Chair’s Award for Outstanding Lifetime and new installation methods. will save money and improve infrastructure. as Trenchless Technology’s 2018 Person of Service, the Ralston Award for Young Unlike the other courses, the Gas Good In 2018, the show offers attendees a six-track the Year and 2017 Projects of the Year. Trenchless Achievement and the Abbott Practices Course will take place on one day conference program and 160 peer-reviewed, Later that morning, the official opening of Innovative Product Awards. only, on 28 March. Developed in non-commercial presentations, including case the Exhibition Hall will take place with the The Closing Luncheon is the final social collaboration with the Gas Technology studies detailing environmentally friendly Ribbon Cutting Ceremony, where the event’s event of the conference, giving attendees an Institute, the four-hour course will focus on trenchless solutions and cost-saving Program Chair will deliver a brief speech. opportunity to say goodbye to the friends good practices for HDD, CIPP and pipe opportunities for municipalities and utilities. Taking place in the evening is the they have met and make plans to work with bursting specifically within the gas industry. The program is focused on one objective: 17th Annual Education Fund Auction and these new contacts throughout the year. Registration for all the good practices helping attendees maximise their investment Reception, which will help to raise money for At the closing lunch you will hear from courses includes admission, course in trenchless technologies, services and worthwhile causes. Since 2002, the NASTT 2019’s Program Chair Cindy Preuss on what handouts and Continuing Education applications. Professionals including has raised over US$1 million, which has been is in store for next year’s event taking place in Unit certificate issued by the Louisiana Tech municipal employees, contractors, consulting used to support its many educational Chicago, Illinois. University. engineers, utility representatives, damage initiatives, including being used for trenchless prevention and pipelines personnel will all training courses targeted to the industry, the benefit from attending the event. publication of trenchless resources manuals For more information visit www.nodigshow.com and sponsorship of university students’

The ribbon to the Exhibition Hall being cut at last year’s event. CONFERENCE PROGRAM NASTT’s 2018 No-Dig Show will feature ...we can make six industry track sessions focused on both a difference! installation and rehabilitation, spanning the three days of the show. Morning and afternoon streams will give attendees a chance to attend several different sessions. Download the NASTT No-Dig Show app TPH 2 1.0 from the App Store or Google Play and have The new BB access to the current schedule in your pocket during the show. with new technical approval Z-42.3-490 of 14 September 2017 EXHIBITION HALL Brandenburger Brandenburger Liner GmbH & Co. KG The event’s Exhibition Hall will feature Taubensuhlstraße 6 | 76829 Landau more than 190 companies showcasing Your specialist for CIPP Phone: +49 6341 5104-0 trenchless products and services for the repair, E-Mail: [email protected] replacement and installation of underground Internet: www.brandenburger-liner.com The KICK OFF Breakfast from the 2017 No-Dig Show. utilities. The hall will be full of innovative bi712381_Anzeige_Fachzeitschrift_185x83_en.indd 1 18.12.17 12:54 26 | WINTER 2018 | TRENCHLESS INTERNATIONAL Follow us on Twitter @TrenchlessInt | trenchlessinternational.com trenchlessinternational.com | Follow us on Twitter @TrenchlessInt TRENCHLESS INTERNATIONAL | WINTER 2018 | 27 190 191 290 287 391 490 491 590 589

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182 183 282 283 382 383 482 483 582 583 VISIT AQUA-PIPE AND SANEXEN ENVIRONMENTAL NASTT NO-DIG SHOW EXHIBITION HALL 180 181 280 281 380 381 480 481 580 581 SERVICES AT BOOTH 401 178 179 278 279 378 379 478 479 578 579 Manufactured in Canada by Sanexen, Aqua-Pipe® is a proven The North American Society for Trenchless Technology’s (NASTT’s) No-Dig Show will be hosted in 176 177 276 277 376 377 476 477 576 575 economical and viable Trenchless Technology alternative to excavating and replacing deteriorated water pipelines. It is a 174 175 274 275 374 375 475 574 Palm Springs, California on 25-29 March 2018. structural liner designed and manufactured with mechanical Trenchless International is proud to be an official media partner of the NASTT’s No-Dig Show. This spread properties that exceed all specifications and meets drinking water 170 171 270 271 370 371 470 465 571 recognises the companies have supported this edition of Trenchless International. requirements in several countries, including the UK, US, Canada 168 169 268 269 368 369 468 569 and Australia, where Ventia holds the exclusive licence to the 25-29 March 2018 product. 166 167 266 267 366 367 466 567 Palm Springs Convention Center 164 165 264 265 364 365 464 563 nodigshow.com 162 163 262 362 363 463 VISIT HAMMERHEAD TRENCHLESS AT BOOTH 409

156 159 258 253 359 458 459 558 559 HammerHead is a global leader in the design and manufacture VISIT TT TECHNOLOGIES AT BOOTH 101 VISIT SAERTEX MULTICOM AT BOOTH 347 of piercing tools, bursting systems, pneumatic hammers and For over 45 years TT Technologies, part of the TRACTO-TECHNIK SAERTEX is a leading manufacturer of trenchless pipe rehabilitation 157 256 357 456 457 556 557 horizontal directional drill tooling. HammerHead products are Group, has been one of the worldwide leader in Trenchless products from the classic glass-reinforced plastic (GRP) liner which 154 155 254 454 455 554 555 recognised throughout the industry as one of the most reliable Technology. The company’s line of trenchless equipment includes: is also available for pressure application, GRP house connection 152 153 252 351 450 453 552 553 and productive trenchless tools in the market. It’s dedicated team piercing tools, guided boring tools, pneumatic, static and lateral liner to the GRP hat profile, and much more. Its products are of industry experts creates customised solutions to meet the pipe bursting systems, pipe ramming tools, bentonite mixing produced inhouse at production facilities in Saerbeck, Germany 150 151 250 451 550 551 needs of its customers. systems, constant-tension winches, directional drills and mini- and Huntersville, North Carolina, giving it the flexibility to offer its 148 149 248 249 348 349 448 449 548 549 directional drill rigs. clients high quality, short delivery times and customised solutions. 146 147 247 347 447 547

136 143 242 237 443 542 543 VISIT MEARS GROUP AT BOOTH 421 Mears is one of the largest contractors specialising in horizontal VISIT MAXLINER AND APPLIED FELTS AT BOOTH 121 141 240 441 540 541 directional drilling and direct pipe services with a focus on ® MaxLiner provides a comprehensive cured-in-place pipe solution for lining vertical and lateral pipelines, using the best materials and 139 439 537 value-added projects, design and build contracts, and EPC. Mears equipment available. The company offers unlimited technical support from qualified personnel with many years of Trenchless Technology and 137 437 536 has all the necessary certification in safety, quality, and the underground construction experience. environment.

130 133 230 231 330 331 430 433 530 531 VISIT ARIES INDUSTRIES AT BOOTH 362 131 431 VISIT RAEDLINGER PRIMUS LINE AT BOOTH 509 Aries Industries was founded in 1985 by Bill Huelsman, his wife Jody, and their business partners after building their first camera and 126 127 226 227 326 327 427 526 Primus Line, part of the Raedlinger Group, is a manufacturer of inspection truck. It manufactures inspection systems, rehabilitation equipment and data management software utilised by professionals in 527 a unique system for trenchless pipe rehabilitation. Since being the underground infrastructure sector. The state-of-the-art equipment manufactured by the company includes video cameras, transporters, founded in 2001, the company’s global network of installation inspection systems, lateral evaluation systems and vehicle-mounted systems. 122 121 220 221 320 321 420 421 520 523 partners and the flexible relining system have grown with its 118 519 application in a great number of projects around the world. Headquartered in Germany, it has a worldwide network of VISIT HERRENKNECHT TUNNELLING SYSTEMS AT BOOTH 147 installation partners and subsidiaries in the US and Australia. 114 115 214 215 315 415 514 515 Herrenknecht is a leader in the area of mechanised tunnelling systems delivering tunnel boring machines for all ground conditions and in all diameters. The product range includes tailor-made machines for transport tunnels and supply and disposal tunnels. Herrenknecht also offers a range of services at the jobsite, including logistical solutions, machine assembly, maintenance and disassembly, spare parts and personnel. VISIT RELINE UV AMERICA AT BOOTH 530 108 109 209 309 409 509 RELINE UV America is a newly formed US-based subsidiary of 104 the RELINE Group, a leading manufacturer of trenchless pipe VISIT TRENCHLESS INTERNATIONAL AT BOOTH 148 1040 505 rehabilitation technologies. The group has proven skills and a Trenchless International is the official publication of the ISTT. It comprises a quarterly magazine, news website, fortnightly e-newsletter, and a long history of experience in UV light curing glass fibre-reinforced range of industry reference materials. The Trenchless International team will be present at the NASTT’s No-Dig Show – come and let us know liner systems, offering customers tailor-made solutions – from about the projects you’re working on for your chance to be featured in the magazine. You can also pick up some ‘I ♥ trenchless’ stickers and 100 101 201 301 401 503 hose liners, UV units, robots, and other required accessories to the latest copy of the magazine. 501 comprehensive services – worldwide.

ARIES RELEASES SEWER SENTINEL UV LIGHTS THE WAY FOR LARGER LINERS

Aries Industries has released the Sentinel Portable Inspection System, an integrated system operated A sewer rehabilitation in Berlin, Germany has seen RELINEEUROPE’s new curing system illustrate the by an all-in-one controller that allows operators to access clear video during sewer inspections in potential for large diameter installations using UV-light cured GRP liners. The system eliminated the need difficult-to-access locations. for combination curing, even on a liner with a wall thickness of 20 mm.

he Sentinel Portable Inspection System n Berlin, the large square culvert of a RELINEEUROPE, the REE400 is currently was completed within one working day. is the latest addition to the range of reinforced concrete sewer has been the most powerful UV curing system on the With a curing speed of 40 cm per minute, the Tsewer inspection and rehabilitation products rehabilitatedI using the glass fibre reinforced market that enables fast curing speeds, even curing process for this section was able to be that Aries Industries Inc. provides to meet plastic (GRP) hose liner Alphaliner1800 and in large profiles of up to DN 1800 with large completed in roughly 2.5 hours. the requirements of contractors and the new REE4000 UV curing system from wall thicknesses. For projects like this, in addition to using a municipalities worldwide. RELINEEUROPE, with dimensions in Altogether, seven pipe sections in the qualified site team, it is important to combine The new unit utilises a lightweight reel and accordance with DN standard 1250/1000 square culvert needed rehabilitation. The a hose liner suitable for large profiles and a quick set-up tractor for easy transport (equivalent to circular section DN 1350). sections ranged between 39 and 55 m in high performance UV-light curing between locations. The self-contained system One of the challenges of rehabilitating a length, with a total length of 250 m, and were technology to ensure the complete hardening can be set up in a pickup truck or an ATV, or square culvert is finding a solution for the refurbished from March to May 2017. of larger wall thicknesses. used as an ancillary unit, shared among stronger backpressure experienced in the line. The pace of the works was determined by This project confirms that the advantages CCTV trucks for simple inspections. With a long-term E-module of 14,804 MPa, the completion of the installation pits; of trenchless rehabilitation technology with Despite being a compact system, the the Alphaliner1800 is capable of carrying however, the installation work for each UV-light curing GRP hose liners are now quality of the inspection remains very high static loads, as well as providing a individual section was very quick. applicable to projects that require liners with uncompromised with the inclusion of a hose liner with a composite wall thickness of The longest section, which was 55 m long, both large diameters and wall thicknesses. state-of-the-art camera featuring a 20 mm that is required to rehabilitate a 512 Hz beacon to help locate the camera reinforced concrete sewer. during inspection. The pan and tilt camera can capture UNIQUE REHABILITATION high quality wide-angle video, with features A unique feature of this project was that including auto focus, white balance and a even with a wall thickness of 20 mm, the 40:1 optical zoom offering imaging with fine Alphaliner was able to be cured purely with detail. The low-maintenance camera is UV light. By using this technology system, designed with minimal parts, providing a installers are able to avoid the highly complex long service life and easy troubleshooting. process of combination curing. The entire system is operated using a In the past, curing UV-light cured GRP controller that can be hand held or mounted hose liners with a wall thickness of 20 mm was onto a desktop. The control unit has a The new Aries Sentinel Portable System, which includes a reel, tractor with camera and controller. only possible using a combination curing 213 mm LED screen for easy viewing, method. In this process, a thermo-reactive as well as an internal digital video recorder navigate pipes 36 inches (910 mm) and larger In addition to the Sentinel Portable support of the UV-light curing takes place for photo capture. in diameter. It can also be fitted with an Inspection System, Aries Industries provides when an additive – peroxide – was added to The non-steerable tractor can be fitted with auxiliary LED light to provide additional its international customer base with access to the resin used for impregnating the glass fiber three different wheel sizes for standard illumination, allowing the camera to pick up the Pathfinder and Seeker 2.0 inspection mat. However, an issue with hose liners operation in 8 to 15 inch (200 mm to further details. systems, the Raptor cutting system that opens produced in this way is that they are extremely 380 mm) pipe. The 210 m cable reel is composed of and reinstates laterals and mainline pipes heat-sensitive after production and must be The tractor can be modified with an aircraft-grade aluminium alloy, meaning it’s after rehabilitative relining, and the laid ‘on ice’ from production to installation, optional large line kit, allowing the tractor to both lightweight and strong. PipeOptix data management software. creating complex cooling logistics during transportation and at the jobsite. ABOUT ARIES INDUSTRIES REE400 CURING SYSTEM Aries Industries Inc. was formed in 1985 by Bill and Jody Huelsman, and their partners, when they developed their first camera and inspection A section of the relined square culvert sewer. By using the hardening technology truck. The company offers clients a number of video inspection systems, rehabilitation systems and data management systems. REE4000 for curing, which has a maximum For more information visit www.ariesindustries.com light output of 24,000 watts, these issues For more information visit www.relineeurope.com effectively become irrelevant. According to

SEGMENTS OF SUCCESS

Germany’s Emscher River has long been considered one of the most polluted rivers in Europe; however, a renaturation project is revitalising the waterway through the construction of a sewer system to separate rain and wastewater. After supplying its machines and equipment to the project for more than 25 years, Herrenknecht TBMs and MTBMs completed the tunnelling and microtunnelling work in June 2017.

he 80 km long Emscher River, originating in the Holzwickede Tmunicipality of North Rhine-Westphalia, C Germany, flows into the Rhine after passing B through cities in the Ruhr region. Once an open channel extremely polluted with coal mining and heavy industry wastewater, and sewage from the local population after the three launch shafts. To account for industrialisation in the 1850s, it was these conditions, it was decided that section considered one of Europe’s most 40 would use a segmental lining method. unclean rivers. Herrenknecht’s EPB-TBMs were the only In order to remedy this, the machines on the project to use this method. Emschergenossenschaft water management association was developed in 1899, and SEGMENTAL LINING careful planning to separate and purify Unlike traditional pipe jacking, where pipe rainwater and sewage to rehabilitate the sections are pushed in behind the machine, waterway began. The renaturation of this the segmental lining method connects six waterway is aimed at creating environmental pressure resistant segments and seals them improvements, as well as enhancing the into rings inside the protection of the shield quality of life of local residents. at the tail of the TBM. Once installed against the previous ring, the TBM moves forward CLEANER FUTURE while the gap between the outside of the Work on the Emscher conversion project segment and the wall of the tunnel is D began in 1992, with Emschergenossenschaft A continuously filled with mortar or pearl planning an underground pipe and tunnel gravel to bed and stabilise the tunnel tube. A: The two EPB-TBMs breaking through the wall at the Oberhausen pumping station as part of the sewers construction. system to direct wastewater from a 865 m2 company also provided project-specific The inside diameter of the twin tunnels was The company also provided a vertical shaft B: The view inside the Emscher Sewer. catchment and 2.2 million residents, 51 km machinery for underground excavation in sinking machine for shaft excavation and only 2,600 mm, making this one of the smallest C: The view from above one of the entry shafts. to three wastewater treatment plants. construction sections 20, 30 and 40. construction. diameter tunnels to be lined using this method. D: The two EPB-TBMs in the receiving pit. The route for the sewer is based on the old Over the course of the project, The 85 m long tunnelling system inside the drainage system, which follows the course of Herrenknecht has supplied a number of FINAL BREAKTHROUGH machine and processes were specially designed microtunnelling work on section 40, but also to 177 m per week, and up to 582 m per the Emscher River, with the new system technologies, including earth pressure balance Work on section 40 of the Emscher sewer to accommodate the method. for the whole of the Emscher sewer project. month. With underground construction being laid at depths of up to 40 m below shield tunnel boring machines (EPB-TBMs), began in December 2013, with construction In June 2017, the two EPB-TBMs broke With the support of the Herrenknecht service works completed, commissioning of the ground. which turn the soft soils excavated into a company PORR using two Herrenknecht through in the Oberhausen-Biefang target pit, experts, the site crew was able to achieve Emscher sewer is anticipated to take place at It is estimated that Emschergenossenschaft paste that is used as a support medium, EPB-TBMs to complete a 10 km twin tunnel not only completing tunnelling and excellent results, with a top performance of up the end of 2020. will have invested approximately €5.3 billion allowing for rapid tunnelling. with the support of Herrenknecht services. (US$6.37 billion) in the Emscher For smaller diameter tunnels, Careful planning was required in order to ABOUT HERRENKNECHT renaturation project over a 30-year period. Herrenknecht has also supplied five AVN/ manage challenges on this section of the Herrenknecht is a provider of holistic technical solutions in mechanised tunnelling, building on the experience of more than 3,700 projects Over the past 25 years, hundreds of AVND machines, also known as slurry sewer, such as the alignment running below a worldwide. It has a portfolio of mechanised tunnelling technology, additional equipment and services, offering project-specific kilometres of tunnels, feeder lines and shafts machines. These microtunnel boring motorway and inner-city supply lines. The complete solutions. have been built; during these works, machines (MTBMs) ranged in diameter route also included several tight curves, a approximately 50 km main of collector was from 0.4 to 4 m and were used for pipe 300 m section of sandy groundwater-bearing For more information visit www.herrenknecht.com bored by Herrenknecht machines. The jacking operations. subsoil, and limited space to accommodate

UNIQUE LINER BEATS THE BEND WHAT’S IN A NAME?

The failure of a high pressure main delivering an essential supply of water to an Australian steel fabricator has During a management meeting, attended by the heads of its sister companies worldwide, TRACTOTECHNIK ® announced changes to its Australasian-based organisation. With a new name and a change in management, been repaired with a DN 400 Primus Liner . The rehabilitation required a unique solution to navigate difficult TRACTO-TECHNIK Australia is reinforcing its reputation as an international brand. bends, high operating pressures and took place in a location that prohibited traditional rehabilitative methods.

ustralian utility Sydney Water has a long-term contract to supply a large uring a meeting attended by TECHNIK’s Trenchless Technology Avolume of recycled water to the largest steel management representatives from products on the international market. fabricator in Australia via a mild steel DTRACTO-TECHNIK Group’s global DN 500 main. In December 2016, this high network of sister companies in Lennestadt, OPPORTUNITIES ‘DOWN UNDER’ pressure main experienced a catastrophic Germany, TRACTO-TECHNIK announced Mr Rose, a mechanical engineer with many failure following undermining of thrust that its Australian business will change its years of experience in the international blocks, inclination of thrust blocks and name from TT ASIA-PACIFIC Pty Ltd to construction equipment industry, has disjoining of sleeve sockets of the pipe at a TRACTO-TECHNIK Australia Pty Ltd. previously held various managerial positions major rail crossing. The event also served as an opportunity to in sales and product management and is The DN 400 Primus Liner being installed in the high pressure main. The main was immediately shut down so officially announce a change in the well-equipped to identify new markets with that the investigation and selection of a bends and high pressure. On investigation, continuously extending the liner to the management of TRACTO-TECHNIK potential in Australia suitable repair method could be made, while Primus Line engineers determined that the location of the next existing thrust block. Australia following the retirement of “We are very happy to have found a Sydney Water maintained supply to the sweep in the 90° bend was too tight and the This design measure was expected to allow longstanding Managing Director Tom Hughes, suitable successor to Tom on a personal and steelworks using potable water. pressure was too high for the medium pressure any thrust at the undermined section to be who has been succeeded by Jeffrey Rose. professional level in Jeffrey Rose,” says Primus Line DN 500. transferred and restrained by the combination TRACTO-TECHNIK says the name TRACTO-TECHNIK Managing Director SWIFT SOLUTION Instead, a high pressure DN 400 Primus of the weight of the water filled Primus Liner change is designed to illustrate its affiliation of Sales and Marketing Uwe Prinz. The utility needed a robust and swift Liner with an operating pressure of 20 bar and the next thrust block. with the TRACTO-TECHNIK Group and “The markets there (Asia-Pacific) still have solution and conventional dig and repair and a burst pressure of 100 bar was chosen. In 2017, Primus Line trainers travelled to for the benefit of its international branding, lots of potential for our trenchless methods were not possible because the failed The host main was carefully inspected and Australia to train Sydney Water in the which has a reputation in the international technologies that we will specifically exploit Jeffrey Rose. section was below a railway. Horizontal prepared so that it would not damage the Primus Line installation process. What made markets for providing reliable and high under Jeffrey’s management.” directional drilling was ruled out because one liner during the installation process or this project unique was that it was installed quality Trenchless Technology systems. Led by Mr Rose, TRACTO-TECHNIK within the TRACTO-TECHNIK Group. end of the main was located near a creek, during operation. and self-performed by the utility. One of The second meeting of this kind to be Australia will provide no-dig solutions to “Having spent most of my working life in bridge and many other services. A portion of this high pressure main is Primus Line’s true value propositions is that hosted in 2017, the Group MD Meeting also potential clients in Australia, New Zealand the construction equipment industry, I’m Designing and constructing a pipe bridge aboveground and a failure in 2016 had caused after training there is no investment required focused on the digitalisation of company and the Asian-Pacific, allowing dealers and aware of the huge potential for trenchless would have been a very costly option and the foundation of a thrust block for the to install Primus Line, as it’s pulled into place processes, products and services, as well as the customers to benefit from while still dealing technologies in Australia and I am looking taken too long to execute. Traditional change of direction, running from the with an approved winch and inflated into steps in sales, marketing and after-sales for with familiar partners. Mr Rose says he is forward to working with the team in this new rehabilitation methods, including slip lining, aboveground section to the buried railway shape using an oil-free air compressor. the enhanced development of TRACTO- pleased to have such an exciting opportunity challenge,” says Mr Rose. were also ruled out due to the main’s crossing section, to be undermined. External In this case Primus Line was the obvious environment, including an operating pressure consulting engineers recommended the choice as it met all of the project criteria – it TRACTO-TECHNIK SAYS THE NAME CHANGE IS DESIGNED TO ILLUSTRATE ITS AFFILIATION of 14 bar, a number of 45° angle bends and construction of a new thrust block with deep was able to navigate the bends, including one WITH THE TRACTO-TECHNIK GROUP AND FOR THE BENEFIT OF ITS INTERNATIONAL one 90° bend. pilings, but this was not possible due to its at 90°, and maintain the 14 bar operating Sydney Water decided to repair the main close proximity to the railway track and pressure. Furthermore, the low-cost BRANDING, WHICH HAS A REPUTATION IN THE INTERNATIONAL MARKETS FOR PROVIDING using the Kevlar reinforced Primus Liner, nearby services. installation process was able completed RELIABLE AND HIGH QUALITY TRENCHLESS TECHNOLOGY SYSTEMS. following on from a history of other successful Sydney Water engineers developed an quickly with no curing, taking only rehabilitation projects that included difficult innovative solution that involved 20 minutes. ABOUT TRACTO-TECHNIK ABOUT PRIMUS LINE TRACTO-TECHNIK manufactures and supplies its Trenchless Technology systems worldwide, for the installation and renewal of underground Primus Line was established in 2001 and is part of the Raedlinger Group. The company manufactures a system for the trenchless rehabilitation pipes and cables. Its range includes the reliable GRUNDOMAT soil displacement hammers and GRUNDOPIT mini drilling systems for installing of pressure lines. Currently headquartered in Germany, it also has subsidiaries in Australia and the US, and has many employees active in the service connections, GRUNDOMAT ramming machines for pipeline construction, GRUNDODRILL horizontal directional drilling systems for areas of technology and development, production and international sales. excavating under roads and waterways, as well as the GRUNDOBURST systems for static pipe bursting. For more information visit www.primusline.com For more information visit www.tracto-technik.com

allowing users to view and manipulate the DAMAGE PREVENTION IN PUBLIC INTEREST data through the lens of specific elements, for example: damages by state, root cause analysis, etc. EQUIPMENT TYPE In August 2017, CGA released its annual report into the damage to underground infrastructure, finding that The dashboard contains a series of damage in 2016 cost the US at least US$1.5 billion. The organisation’s President and CEO says she hopes the visualisations that allow users to sort Backhoe/trencher (82) findings of the report “provides clear evidence that reducing damages is solidly in the public interest”. information through additional filters, giving damage prevention stakeholders a tool to Other evacuation (9) focus on areas where they feel that they can Hand tools (5) have the biggest positive impact. This year, the ability to filter several Drilling (4) he Common Ground Alliance (CGA) were not sufficient. A significant finding was 5,500 cases, while there were 534 cases of dashboards by state or year was added, 2016 Damage Information Reporting that only 16 per cent of the cases were a sewers being damaged. including 2015 and 2016 data, as well as a TTool (DIRT) Report – which summarises result of a failure to notify the US’ call before new dashboard that explores the US anonymously submitted data from facility you dig service – 811 – which is a record low IN THE PUBLIC INTEREST Department of Transportation’s Pipelines and operators, utility locating companies, one-call and part of an encouraging long-term trend. CGA President and CEO Sarah K. Hazardous Materials Safety Administration’s centres, contractors and regulators throughout Miscellaneous causes were attributed to 4 per Magruder Lyle says she hopes the report will determinations on the adequacy of state the previous calendar year – estimated the cent of cases. illustrate how important damage prevention damage prevention programs. A graph illustrating the forms of equipment that caused reported damage. total number of underground excavation is to society generally, and the construction damages in the US last year rose by TRENCHLESS TECHNOLOGY industry and general public take note. 20 per cent, increasing to approximately In a positive sign for the US Trenchless “The substantial estimated economic impacts ABOUT CGA 379,000 incidents. Technology industry, the report’s analysis of of damages to underground facilities across the CGA is an association comprising nearly 1,700 individuals, organisations and sponsors, covering every facet of the underground utility industry. The report states that US$1.5 billion is a the causes of damage indicated that drilling US likely do not come as a big surprise to Established in 2000, the association is committed to saving lives and preventing damage to North American underground infrastructure by conservative estimation of the societal costs only accounted for 15 per cent of cases. damage prevention advocates who are dedicated promoting effective damage prevention practices. CGA has established itself as the leading organisation in an effort to reduce damages to associated with the damage to buried utilities; It found backhoes and trenchers to reducing that figure – along with the very underground facilities in North America through shared responsibility among all stakeholders. it is the first time that CGA has estimated a overwhelmingly caused the most amount of human impacts these damages can have – on a For more information, or to access the 2016 DIRT Report, visit www.commongroundalliance.com monetary figure of this kind. This estimate damage to underground infrastructure, with daily basis. Nevertheless, we hope that the 2016 does not include property damage to almost 58,000 cases reported, accounting for DIRT Report’s analysis of the US$1.5 billion in excavating equipment or the surrounding 47.92 per cent. societal impact is eye-opening to both the area, evacuations of residences and businesses, Hand tools were reported to have caused industry and the public at large, and provides road closures and/or traffic delays, 27.39 per cent of damage, while other clear evidence that reducing damages is solidly The whole world of environmental impacts, legal costs, injuries excavation methods – which could include in the public interest. or deaths. trenchless – accounted for 9.28 per cent. “The latest DIRT Report also examines Customers and users of underground damage prevention paradigms in other HDD Technology facilities were the most impacted, shouldering UTILITY DAMAGE countries for the first time, which is an PD 30/18 CU PD 60/33 CU PD 100/50 RP Mud pumps X-series just over 30 per cent of the total societal Telecommunication lines were the most opportunity to consider how this information Made costs; emergency responders absorbed more damaged during the year, with more than can help us can work toward our goal of in than 23 per cent of the costs. 125,000 cases reported. In a worrying zero damages.” In 2016, the damage ratio – which statistic, the next most prevalent was gas with CGA has made the findings of the report Germany measures damages per 1,000 one-call more than 82,000 cases, ahead of electric available via an interactive dashboard, which transmissions – increased 14 per cent with 21,516. Water accounted for just over is accessible to the public through its website, from 2015; construction spending has risen PD 400/120 RP HPH 1 PD 250/90 RP Drill rods such that the ratio of damages to construction spending has dramatically declined DAMAGE CAUSE ANALYSIS - ALL since 2004 (the first year the DIRT Report Evacuation practice not sufficient (50) was released). Estimated damages have stabilised to Locating practices not sufficient (20) PrimePD 150/90 RP-C 0°-90°DrillingPD 600/180 RP between 300,000 and 400,000 since 2010, despite increased construction activity during Miscellaneous root causes (10) Prime Pipe Pusher Reaming tools the period. Notification not made (17) CAUSE AND EFFECT Notification practices not sufficient (2) Of all the reported cases of damage analysed by the report, 56 per cent of them were attributed to insufficient steps being taken during excavation. DIRT found that PRIME DRILLING GmbH · Ludwig-Erhard-Str. 4 · D-57482 Wenden-Gerlingen · Phone +49(0)2762 930 96-0 · www.prime-drilling.de in 23 per cent of cases locating practices A graph showing the root causes of damage to underground infrastructure. PD-Anz185x125_1Dez15.indd 1 01.12.15 17:10 36 | WINTER 2018 | TRENCHLESS INTERNATIONAL Follow us on Twitter @TrenchlessInt | trenchlessinternational.com trenchlessinternational.com | Follow us on Twitter @TrenchlessInt TRENCHLESS INTERNATIONAL | WINTER 2018 | 37 | UNDER NORTH AMERICA | | UNDER NORTH AMERICA |

transport crude oil to market. Our partner is the impacts of its construction and operation Gabinet says, “The activity that’s been A RAPID EXPANSION as proud as we are to have accomplished this would have a minimal impact on the happening here in Strathcona County has major milestone on the first leg of a larger stakeholders along the route of the pipeline. been really exciting. pipeline system.” Grand Rapids Pipeline Project Director “Currently we have over seven billion Five years of planning, development and construction in Alberta, Canada has culminated in TransCanada’s TransCanada President and CEO Russ Wendy West says extensive time was dollars’ worth of projects planned, recently Grand Rapids Pipeline commencing operations to deliver oil and diluent to market. The pipeline’s Girling says the expansion of crude oil dedicated to navigating these issues, and that completed or under construction in the production created a need for infrastructure it was thrilling to see the pipeline entered county. Another really good thing for us is installation used HDD to cross more than a dozen waterways along the route, including seven across the development to provide for emerging markets. into operation. the increase to the county’s total tax Athabasca River. “As Alberta crude oil production continues “This milestone marks the culmination of assessment which happens when pipelines to grow, it’s critical to have the infrastructure over five years of planning and consultation and their associated facilities are completed in place to move oil to market from emerging and over seven million hours of dedicated and operational.” developments west of the Athabasca River,” efforts by the project team, contractors and ive years of efforts in the Strathcona North Saskatchewan River, a tributary to the McMurray, Alberta to markets in the says Mr Girling. “This is the first major various stakeholders including landowners, SAFETY FIRST County community have culminated in North Saskatchewan River, and one crossing Edmonton and Heartland region. Grand pipeline project to meet the needs of this indigenous groups and communities along During construction operations, the Grand Fthe 460 km, 20 inch (508 mm) Grand Rapids of Cloverbar Creek. Rapids is the first to pipeline to connect the fast-growing area.” the route in order to make this project a Rapids Pipeline team was honoured with the Pipeline System achieving in-service and HDD specialist Jay-Nart Directional West Athabasca region with these markets. In 2015, the JV entered into an additional reality. We are thrilled to celebrate this 2016 Occupational Health and Safety Award commencing operations in late August. Drilling was one of the companies contracted 50-50 JV with Keyera contributing a 45 km important milestone, and are grateful to from the Sherwood Park Chamber of It is TransCanada’s latest major crude oil for the project, completing multiple crossings AGREEMENTS southern portion of the 20 inch diluent everyone who played a role in its success.” Commerce, acknowledging the outstanding pipeline system to become operational in of varied lengths of DN 800 and DN 500 in The pipeline was developed by the pipeline, which was to be built by Grand performance of workplace health and safety Canada since the Keystone Pipeline System Strathcona County, Sturgeon County, TransCanada and PetroChina Canada Rapids. The section of pipeline extends from WORKING LOCALLY through employee training, work systems and began operations in 2010. Lamont County, Thorhild County, and the (formerly Phoenix Energy Holdings), who the Keyera Edmonton Terminal, where Construction of the Grand Rapids Pipeline a record of safety. In its submission to the Alberta Energy regional municipality of Wood Buffalo. signed a joint venture ( JV) agreement for the Keyera contributed a new pump station, to allowed TransCanada to work extensively “We’ve had a couple of onsite visits to the Regulator, Grand Rapids’ listed its objectives The pipeline has the capacity to deliver proposed CA$3 billion (US$2.4 billion) TransCanada’s Heartland Terminal near with the local community and its officials, Grand Rapids Pipeline that was going on in for the watercourse crossings in the project to 900,000 bbl/d of oil and 330,000 bbl/d of project in 2012. The agreement stipulated Fort Saskatchewan. particularly given that operations are planned the community with the new tanks and the include avoiding or reducing adverse impacts, diluent, and connects production areas in Fort that TransCanada would operate the system, “This strategic partnership with Keyera will to extend for decades into the future. pipeline,” says Mr Gabinet. maintaining habitat quality and maintaining bring value to Grand Rapids shippers,” says The tax revenue derived from infrastructure “We were really struck by how serious ecosystem function in crossing locations. This Mr Girling. projects, such as the Grand Rapids project, TransCanada takes its safety program and was particularly important with several “It will enable Alberta oil sands producers provides a significant boost to local their workers program. As soon as we arrived threatened species of fish identified in these to gain access to a reliable and cost effective government budgets. This money goes onsite they ensured that we had hard hats, bodies of water. source of diluent and help them meet the towards developing the local community, safety vests and safety boots for our tour there growing demand for the energy that powers often in the form of improving infrastructure going forward.” HDD WORKS our daily lives across North America.” and facilities or supplying new or improved Over the past 65 years, TransCanada’s In order to maintain environmentally service. energy network has operated with careful responsible operations, seven horizontal PLANNING FOR SUCCESS Speaking on the positive effect of the consideration of long-term societal and directional drill (HDD) crossings were As a long-term project, extensive and project, Strathcona County Director environmental outcomes, as well as planned at the Athabasca River, two crossings detailed planning was involved to ensure that Economic Development and Tourism Gerald prioritising the safety and quality of its of the House River, the La Biche River, the

A pump station on the Grand Rapids Pipeline route. Image courtesy TransCanada.

while PetroChina Canada entered a long- term commitment to ship the crude oil and TPH 3 diluent produced, with PetroChina Canada bringing its production facility into operation in early 2017. “We have come a long way in achieving great success for the Grand Rapids Pipeline Reline Europe in this challenging environment,” says Grand Rapids Business Development Manager Dan Morrison. “This is the first new pipeline development The project used HDD to protect waterways, like this one, along the pipeline route. Image courtesy TransCanada. in the West Athabasca region that can

38 | WINTER 2018 | TRENCHLESS INTERNATIONAL Follow us on Twitter @TrenchlessInt | trenchlessinternational.com trenchlessinternational.com | Follow us on Twitter @TrenchlessInt TRENCHLESS INTERNATIONAL | WINTER 2018 | 39 | UNDER NORTH AMERICA | | UNDER NORTH AMERICA | TARGET ACQUIRED network. The Grand Rapids Pipeline is now part of a network of cross-continental transportation systems with an elaborate and With the use of an auger boring machine equipped with the McLaughlin On Target steering system, strategic safety goals in place. Kandey Company was able to accurately complete a large sewer line installation in New York State, in an Ms West says TransCanada will continue area with complex geological conditions, including a number of unknown underground obstacles. to be involved with the community during operations. “The Grand Rapids Pipeline system will be able to move crude oil from both the he Rush Creek Interceptor Project is an since 1984 and specialises in largescale water The On Target system gives operators the established Athabasca producing region as important upgrade to the wastewater and sewer projects, was contracted to install a ability to steer the head, controlling well as the emerging developments west of Tsystem in Hamburg, New York. An combination of 518 m of gravity and force horizontal on-grade (up and down) changes the Athabasca River, making it an important impractical service structure resulted in main sewer line within a 48 inch (1,219 mm) and lateral (left to right) direction changes, piece of infrastructure to move energy to multiple service providers working in the steel casing by the Erie County Department using hydraulic actuated flaps to keep the market from this growing oil-producing area. same area, resulting in Hamburg being of Environment and Planning. head on track. “The pipeline will safely and reliably deliver serviced by two sewer districts conveying With the sewer line spanning over 2.6 km The added control of the auger boring crude oil that will end up fuelling wastewater to two different wastewater and running through an abandoned industrial steering head allows longer on-grade bores transportation and products to consumers treatment plants. area, under four railroads, and multiple than other methods, making one pass across North America. With one of the plants unable to cope with highways and off ramps, the project had a installation of casings possible and improving “We don’t just drop into communities incoming water capacities, resulting in complex geology. accuracy for difficult on-grade bores ranging through construction and then disappear. overflows into waterways leading to the Some locations meant boring through soft, from 16 to 60 inches (406 mm to 1,524 mm) TransCanada will be operating this pipeline Woodlawn Beach State Park and saturated soils, while the industrial contained in diameter. through Strathcona County and other contributing to water quality concerns, the abandoned foundations and unreported The Kandey Company was able to communities for generations. wastewater services opted to merge and utilities, among other obstacles. In order to complete a 102 m one pass installation of the “That’s a responsibility we’ve always taken Two crew members onsite. Image courtesy TransCanada. design a system that could abandon the navigate these difficulties, an auger boring 48 inch steel casing. Being able to adjust the extremely seriously. We care about these ageing treatment plant and three pumping machine with the McLaughlin On Target steering to bore accurately meant that the communities as our neighbours, and as the For more information visit www.transcanada.com stations while providing a unified service. steering system was selected to install steel crew was able to navigate the grade changes places we live and work, too.” Kandey Company, which has been around casing that would house the sewer line. and underground debris.

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COMING TO AMERICA by Nathan Hand, Wessex Water Critical Sewers Engineer TESTING PRESSURE CIPP UNDER DYNAMIC LOADING The winner of the UKSTT Young Engineer of the Year, Wessex Water’s Nathan Hand, details his experiences since receiving the award in 2016. The title included a bursary which Mr Hand used last year to by Ricky Selle, Selle Consult Director, Heiko Below, IMA Head of Pipe Systems, and Nils Füchtjohann, travel to the US to attend the world’s largest trenchless event in the US, where he developed his knowledge SAERTEX multiCom Director Research and Development of HDD and how to apply it on his return to the utility. Renovation projects with pressure applications are gaining a growing share of the CIPP market worldwide, and in 2018, a new product standard for pressure CIPP will be published. This paper discusses fatigue n 2016, I wrote a paper for the United Kingdom Society for behaviour in pressure CIPP under dynamic loading. Trenchless Technology’s (UKSTT) Young Engineer of the Year Icompetition, which I was fortunate enough to win. The entry that I submitted discussed my use of the German Institute for Underground Infrastructure’s MAC extensometer, which was ith the popularity of pressure applications for cured-in-place Dynamic loading is a special but regular load case for pressure CIPP developed by Olivier Thépot of Eau de Paris. pipe (CIPP), the new ISO 11297-4 – a product standard for in drainage and sewerage networks due to water hammer caused by The system is used for measuring the global stiffness of tunnel and Wpressure CIPP in the field of underground drainage and sewerage pumps and valves closing. The result of the hammer is vibrations with pipe walls, as well as the surrounding geology. This data was used to networks – will be published in 2018, with the draft currently in the amplitudes being damped within a specific period, as seen in Figure 1. target rehabilitation to the most vulnerable sections of a one of our formal voting state. 1 Maximum pressure amplitudes and damping rates are highly system tunnels. dependant. There is significantly less dynamic loading in water The paper also discussed the use of ‘million point cloud’ (MPC) networks, which is not a focus of this paper. scanning systems to survey and analyse structures, including shafts All parties involved in this renovation technique – such as and tunnels, and the application of calcium aluminate cement (CAC) manufacturers, users, engineers and test houses – agree that specific mortar for rehabilitation purposes. tests are required for pressure CIPP with regard to fatigue behaviour under dynamic loading. STATESIDE These tests can be designed either to determine mechanical The prize for the UKSTT Young Engineer of the Year was a characteristics for further design, such as stress-cycle diagrams, or as bursary, to which my company also added. I used this to travel to the qualifying pass-fail tests. Both material and products can be subjects US, to study the latest concepts around horizontal directional drilling Nathan Hand with colleagues onsite. for testing. (HDD), which is routinely used on a wide range of schemes. In the aforementioned ISO draft, dynamic loading is not I was hosted by the previous ISTT most drill-related being a pipe replacement under the arterial railway incorporated, which is explicitly stated in the scope of the standard; Chair Dr Sam Ariaratnam at the Arizona State University for the line connecting Bristol to the southwest peninsula, utilising guided the topic is deferred until the next edition. first week of my travels. It was a fantastic experience in Phoenix: auger boring. As such, there is an urgent demand for practical approaches for I saw a lot of different technologies and their application, as well as This project was assisted by new UKSTT Chair Matt Izzard’s testing and evaluating the various pressure CIPP products that are gaining an understanding of the basic elements of the engineering trenchless wisdom. commercially available. Adopting existing test procedures used for Figure 1: The vibrations in pipe as a result of water hammer.9 behind boring and the application of drilling muds and fluids. Another area of development I have introduced to the Trenchless comparable products, such as for pressure glass reinforced plastic This basic understanding of HDD was a good learning curve to Division of Wessex Water is the further use of MPC systems to scan (GRP) pipes, seems reasonable in this context. Standardisation of build upon during my second week of travel, which was spent in the internal geometry of larger diameter pipes and shafts, to the parameters for dynamic testing is a great challenge, since applications Washington D.C. Here, I attended the North American Society for extent that this is now an expected level of survey quality for our large are project specific. However, the guiding technical parameters are: Trenchless Technology’s No-Dig Show, which was hosted in diameter critical assets. In addition, I’m managing the introduction of maximum amplitudes in relation to maximum design pressure (MDP), conjunction with the ISTT’s International No-Dig 2017. CAC mortars for repair of assets that require increased resistance to ratio of maximum to minimum stress (R-ratio), number of cycles and My focus here was once again on HDD related projects, although biogenic corrosion caused by high hydrogen sulphide levels. damping rate. there was plenty of opportunity to explore other novel rehabilitation Finally, I have finished the year as Project Manager for the In Piacenza, Italy, dynamic loading was a central aspect of structural options for both large and small diameter systems. installation of a cured-in-place pipe, 400 mm diameter pressure main analysis when designing the renovation project of a DN 786 water To top it all off, I attended the ‘HDD masterclass’, which was liner procured to the new draft ISO 11297 standard. cooling pipe with a MDP of 5 bar with a SAERTEX-LINER® delivered by Dr Ariaratnam and colleagues. This presentation was an With this new standard, we are to commence a detailed research Pressure, seen in Figure 2. informative experience on what I found to be, beneath the surface, a analysis of the necessary mechanical properties of force and rising The Class A liner was installed over a length of 120 m. Structural very technical subject. main liners that develop aggressive environments, such as surge and integrity was approved on the basis of fatigue characteristics of the cyclic loading, which can cause fatigue, and how this plays out with material. BACK TO WORK regard to product longevity. Since returning to Wessex Water in the UK, I have been working Part of this project will be to develop a better understanding of SPECIFIC FATIGUE CHARACTERISTICS on developing an HDD technical standard for use within the force main condition surveys to help predict and target our efforts to In pressure networks, using thermoplastic pipes with smaller company. Additionally, I have developed a number of projects, the prevent bursts by proactive rehabilitation. Figure 2: The SAERTEX-LINER Pressure installed in Piacenza, Italy. diameters, for example PE100, is approved and well tested. However,

established design approaches cannot be transferred to fibre reinforced internal pressure’ is a test standard for pipes up to DN 600 under for CIPP under pressure. Trenchless International (Fall 2017). and resin-based plastics for CIPP without major adjustments, because cyclic loading. A test setup with internal tension rods at IMA Dresden [5] EN 14364 (May 2013). Plastics piping systems for drainage there is a difference in the relationship between limiting creep and the is shown in Figure 5. Alternatively, testing without axial constraint is and sewerage with or without pressure – Glass-reinforced fatigue stresses of the materials. possible according to the standard. A sinusoidal loading is thermosetting plastics (GRP) based on unsaturated polyester resin Creep stresses of less than 33 per cent of short-term tensile strength recommended according to the ISO, with amplitudes between 75 and (UP) – Specifications for pipes, fittings and joints. are typical for thermoplastics with a service life of 50 years. At the 125 per cent of PN. The tests run until failure, bursting or weeping, or [6] ISO 7509 (March 2015). Plastics piping systems – Glass- same time, fatigue stress is usually at more than 50 per cent according they can be stopped after a required number of load cycles. reinforced thermosetting plastics (GRP) pipes – Determination of to the numbers of cycles, such as n = 10^7. It would stand to reason that the next edition of ISO 11297-4 will time to failure under sustained internal pressure. This means that limiting creep stress is usually the controlling refer to this standard and define test parameters. The starting point for [7] ASTM F1216-16 (2016). Standard Practice for Rehabilitation design criterion for thermoplastic. 2 the definition of the parameters can only be the value of MDP, which of Existing Pipelines and Conduits by the Inversion and Curing of a CIPP, in comparison, shows significantly lower reduction factors for should be equivalent to PN which includes a safety level on the load Resin-Impregnated Tube. limiting creep stresses. Renovations are feasible with small wall side. [8] ISO 11297-4 (FDIS) (October 2017). Plastics piping systems thickness, not only because of the much higher short-term tensile With the assumption that amplitudes are not going into negative for renovation of underground drainage and sewerage networks strength, but also because of less reduction. Figure 3: A test set-up according to ISO 15306 at IMA Dresden. pressure, maximum stress can be calculated from MDP by dividing it under pressure – Part 4: Lining with cured-in-place pipes. Testing the pressure of SAERTEX-LINER at the IMA Dresden by the load safety factor. [9] Ismaier, A, Schlücker, E & Schnellhammer, W. (2008). test house in accordance with ISO 7509, EN 14364 and ISO 10928 For many practical applications in drainage and sewerage networks, Numerische und experimentelle Untersuchungen von Druckstößen resulted in a reduction factor of 1.41, shown in Figure 3. vacuum of about 0.5 bar due to water hammer is reached at the peak in Rohrleitungen. Chemie Ingenieur Technik, 80 (9), S. 1339. Although this is low in comparison to other products, this on a regular basis. However, the stress with negative sign – [10] EN 1778 (December 1999). Characteristic values for welded magnitude is typical for CIPP with high glass content; to be on the compression – is small in comparison with the positive one, and thermoplastic constructions – Determination of allowable stresses safe side, F12167 recommends a factor of A = 2.0 if no further test damping rapidly leads to amplitudes with pure tension. and moduli for design of thermoplastic equipment. data is available. Obviously, reduction factors for thermoplastics are Thus, a small R-ratio should be used in the tests in order to reflect [11] ISO 15306 (December 2003). Glass-reinforced thermosetting higher. real working conditions. For the aforementioned design-relevant load plastics (GRP) pipes – Determination of the resistance to cyclic In designing CIPP, the relationship of limiting creep and fatigue cycles, damping also leads to average amplitudes being significantly internal pressure. stresses has to be considered thoroughly. smaller than at peak. This means that the maximum stress in these Figure 4 gives test data of dynamic loading on a prototype load cycles is approximately 50 per cent of MDP, or less. For more information visit www.saertex.com SAERTEX-LINER, with an R-ratio of 0.2. Extrapolating the data to With the inclusion of a safety level of about 2.0 in the qualifying 10^7 cycles shows a fatigue stress of about 33 per cent of short-term pass-fail test, it is recommended that the tests be conducted at PN. tensile stress. Figure 4: A stress-cycle graph of a SAERTEX-LINER prototype. The maximum stress for dynamic loading should be calculated from Looking at this characteristic, apparently limiting fatigue stress can the specific and diameter dependant PN value of the liner; become the controlling design criterion for CIPP, depending on the furthermore, an R-ratio of 0.1 should be applied. Tests can either run Lining Solutions number of cycles. to prove a required number of cycles or to failure. Known as the hydrostatic design basis according to AWWA M45, for a future Life! INPUT PARAMETERS FOR FATIGUE DESIGN for a limiting creep stress of CIPP that is equivalent to 67 per cent of In principle, the usual three variables in design also have to be the short-term burst pressure and given a material safety level of 2.0 Your system supplier for trenchless defined for fatigue design of CIPP: loads, mechanical characteristics for calculating PN, dynamic testing at PN means testing at 33 per cent pipe rehabilitation. Worldwide. and safety level. Here, safety level is the easiest subject, as factors can of short-term tensile wall strength of the CIPP. Based on the available be drawn from comparable standards, for example F1216 or EN CIPP fatigue data, it is expected to see test cycles of about 10^6 before 14364 table 15. failure. QPV 1 For defining loads, it is inevitable for hydraulic design engineers to If the number of cycles before failure proves to be too few for be engaged to give input parameters for the structural design. Only specific applications, the design of CIPP should be modified. This determining the design-relevant number of load cycles with concrete would be in agreement with the assumption that fatigue characteristics amplitudes actually allows a design. of CIPP can be the controlling design criterion in drainage and The term design-relevant in this instance incorporates all cycles with sewerage networks. amplitudes higher than a certain limit, which has to be defined too. Saertex Preferably, the amplitudes should be defined in relation to the MDP REFERENCES Figure 5: The test setup up IMA Dresden according to ISO 15306.11 and damping effects have to be considered. [1] American Water Works Association. (2015). Manual of Water This is a challenge, since these parameters are rarely available in Supply Practices – M45: Fiberglass Pipe Design. Chapter 5: Buried detail for many renovation projects. Trying to estimate numbers that design approach based on stress-cycle diagrams does not seem very Pipe Design. Denver. are clearly on the safe side is not a practical option as fatigue can be appealing. Alternatively, in this paper it is recommended that qualifying [2] Domininghaus, H, Elsner, P, Eyerer, P & Hirth, T. (2012). (with ed) the controlling design criterion. On the other hand, determining pass-fail tests are established for CIPP at a certain safety level, with a Kunststoffe – Eigenschaften und Anwendungen (8 Ausg). Heidelberg: fatigue characteristics for CIPP is no less challenging; for the classic required numbers of load cycles and amplitudes in relation to MDP. For Springer-Verlag. design approach, product specific stress-cycle diagrams are required. conducting these tests, ISO 1530611 would be an appropriate and [3] ISO 10928 ( July 2013). Plastics piping systems – Corresponding testing is time consuming, since a high number of liner established test standard. Glassreinforced thermosetting plastics (GRP) pipes and fittings – www.saertex-multicom.com | www.facebook.de/saertexmulticom design specific dynamic burst pressure tests are required, some of Methods for regression analysis and their use – Amendment 1. which last for more than 6,000 hours. ISO 15306 FOR DYNAMIC TESTING [4] Selle, R & Füchtjohann, N. (2016). Developing a design approach Saerbeck | Germany Huntersville | USA Pinghu | China Indaiatuba | Brazil Given these facts, for the regular design of CIPP, the classic material ISO 15306 ‘GRP pipes – determination of the resistance to cyclic

1707_trenchless_90x125.indd 1 15.12.17 12:35 | CIPP | | CIPP |

RAPID REFURBISHMENT REQUIRED CONCERNS OVER REPORT INTO CIPP SAFETY by Eric Sullivan, Sewer Knowledge Services Principal and NASSCO Trainer In Vlissingen in the Netherlands, contractor Kumpen recently renewed a 60-year-old wastewater collection drain using Brandenburger pipe liners. The short construction times and the integrated refurbishment concept were the decisive factors in winning the contract at the popular tourist destination. In October 2017, Sewer Knowledge Services Principal Eric Sullivan participated in NEHA’s ‘Public health and occupational exposures during water pipe repair activities’ webinar following the release of a Purdue University report into the safety of CIPP. In the following paper, Mr Sullivan details his experiences and lissingen is one of the most exciting comprehensive rehabilitation concept Z-42.3-490, liners with a nominal diameter concerns about the questions that went unanswered. cities in the Dutch province of Zeeland; featuring sustainable waste management and of less than 875 mm have a short-term Vthis popular seaside destination is regarded as the use of energy and resource saving circumferential elasticity modulus of 16.875 a modern city with an old heart. All of the technologies were the keys to Kumpen's N/mm². wastewater generated within the municipality success during the tender process. This has been made possible by the he webinar, hosted by the National This may explain some of the deficiencies is exported by the towns 60-year-old, almost After a 1,400 m high capacity dewatering redesign of the winding technology on the Environmental Health Association of the presentation and how the study is 1,300 m long, main collection drain, which drain to cope with a flow rate of 4,800 3m /h fourth production line at the Brandenburger T(NEHA) based in Denver, Colorado, was currently being explained as it relates to was in need of refurbishment. was created, the Brandenburger Liners were factory in Landau, Germany. The new designed to give health professionals at accurately depicting CIPP processes, Due to the large volumes of wastewater, an installed between 30 October and 12 state-of-the-art plant still uses the winding various levels a better understanding of public Trenchless Technology and the basics of how efficient and rapid refurbishment method was November 2017. process developed and patented by the health and occupational exposures to sewer collection systems work, and the ways required, with an emphasis placed on Work was performed in two shifts to ensure company in 1996; however, this process has cured-in-place pipe (CIPP). in which they are distinct from potable minimising the impact of noise and pollution that the seven installations, between DN 1000 now been refined even further. During the webinar, the results of a Purdue (drinking) water transmission systems. on residents. and DN 1200 with a total weight of This refinement is also reflected in every University CIPP safety study released in July On the web page summarising the webinar, On the basis of a ‘lean’ planning approach 65 t, could be completed within two weeks. production step – for example, when 2017 were presented, as well as information NEHA states: by contractor Kumpen, the work was The largest installed liner had a weight of 16.7 transporting the film, or when packing away gained from a National Institute for “The CIPP installation procedure is being used prepared precisely and efficiently with a t and a length of 270 m, establishing two new liners into transport crates that have been Occupational Health and Safety (NIOSH) to repair about 50 per cent of the water pipes in planned duration of exactly one month. The records for Kumpen. With a curing rate of just specially designed in-house. workplace health hazard evaluation. the US. While primarily used for buried sanitary under 1 m per minute, and a total curing time I am aware that many of my fellow sewer and storm sewer pipe repairs, it is also 1.0 of 4.5 hours, the maximum time allotted for BRANDENBURGER LINER BB Trenchless Technology colleagues have taken increasingly being used for drinking water pipes installation was not exceeded. This increased Parallel to this change in the DIBt an interest in the above-mentioned study and and building plumbing. the concentration of the personnel on site and certification, a new product has been also participated with me in this webinar, and “Because raw chemicals are used and the consequently improved their safety. introduced. The Brandenburger Liner BB1.0 even more who were unable to attend, but plastic pipe is manufactured in the field, the is largely based on a glass/synthetic fibre who are interested in the topic and the CIPP installation process releases chemicals 2.5 Eric Sullivan. BRANDENBURGER LINER BB complex. opportunity to have the presenters answer within the pipes being repaired as well as into The installed liner is from the new The liner, which was specially developed for questions from members of our industry. the surrounding air. Health officials have major growth in the coming years for generation of the Brandenburger Liner BB2.5, smaller nominal widths, combines the best of It’s my intention to communicate what I responded to building contamination incidents CIPP/trenchless methods in the potable which incorporate significant modifications. both worlds: the rapid handling of the learned, the experience I had and to ask the because CIPP chemicals have travelled through water rehabilitation market, in a generous The specifications of the liner are higher than UV-cured liners onsite and the cost-effective questions that weren’t answered during the sewer pipes and air intake systems into nearby estimate, I would say CIPP repairs have, in before; in accordance with the German materials of the hot-water webinar. buildings.” reality, only been completed on less than five A approval body Deutsches Institut für cured liners. For the user, there are no “Some incidents prompted the evacuation of per cent of the ‘water pipes’ in the US. Bautechnik’s (DIBt’s) modified certification changes in the installation process, with the NEHA homes, office buildings, day care centres and It is possible that NEHA mistakenly chose liner still is drawn into the sewer by a winch. NEHA is a Denver-based private political schools, and required some persons to seek to use ‘water pipes’ as some kind of a catchall The quality of the liner can be inspected lobbying firm and environmental advocacy medical care.” term meant to include water and sewer pipes before curing with the camera on the light group that has been around since 1937 and The claim that CIPP is used to repair in its commitment to make this issue chain. The retraction speed during curing is has around 5,000 members. It has a 50 per cent of water pipes in the US is false. relatable to the general public. However, determined by the irradiation tables and commitment to “advance the environmental There are only a handful of companies who given the logic behind the presentation, and according the respective installation type; on health and protection professional for the currently offer CIPP rehabilitation services the arguments posited by the author of the average, this rate is 1.5 m per minute. purpose of providing a healthful environment on potable water pipes, including Insituform, study – Dr Andrew Whelton of Purdue “According to our market assessment, we for all.” Inland Pipe Rehab, Michels, and SAK University – during the webinar, it's clear that expect to cover up to 70 per cent of our small NEHA offers professional development Construction. both Dr Whelton and NEHA have a lack of diameter pipe liners with this innovative programs for certification in the following Performing CIPP repairs on pressure pipes, understanding of the basic configurations of product in 2018,” says Brandenburger Liner industries: production, processors, especially public drinking water pipes, sewer collection systems. CEO Michael Schloder. manufacturers, retail, restaurants, fresh cut presents numerous challenges, which This risks misrepresenting the results of the produce, and bottled water processors. currently makes potable water only a study, and grossly exaggerating the potential B For more information visit Construction and infrastructure maintenance peripheral application for CIPP methods and hazards of the CIPP steam cure method. www.brandenburger-liner.com services are not listed as being in the current for any trenchless technologies in general. NEHA and Dr Whelton both asserted A-B: A crane unloading a 17 t Brandenburger Liner. purview of the organisation. While the industry does expect to see that health officials have had to respond to

contamination incidents because “CIPP answer will determine what kinds of people of Flint in Michigan, where many Trenchless Technology industry. What chemicals have travelled through sewer pipes technologies and rehabilitation methods families lack access to safe drinking water. is required is further conversation or guidance and air intake systems into nearby buildings”. communities will choose in coming years Instead of promoting cost-effective on potential alternative methods, and This is interesting, because those in the from companies conducting trenchless pipe methods to repair the pipes used for consideration of the impacts to public trenchless sewer repair industry are aware rehabilitation. wastewater collection and for transmission of health and the environment that occur due to that residences and commercial buildings use I can't help but note that on the NEHA drinking water, for which CIPP has proven to sewer overflow events. CIPP has been plumbing traps, or p-traps, with a bending website's advocacy section, they refer to the be essential, NEHA instead is giving a instrumental in protecting communities path that allows waste to pass through while mismanagement of a rapidly deteriorated platform to a questionable study with a throughout the US from these impacts for preventing sewer gases from entering underground infrastructure impacting the message with the potential to undermine the the last 45 years. enclosed buildings. If vapours present during the CIPP install National Accreditation of Sewer Service Companies (NASSCO) has since announced that the Center for Underground Infrastructure Research process do in fact enter buildings – which and Education (CUIRE) in the University of Texas at Arlington will undertake a study into the safety of CIPP. Phase one of this project, launched wasn't measured by the Purdue study – then in December 2017 and expected to conclude in April 2018, will be led by Dr Mo Najafi, Dr Melanie Sattler and Dr Kevin Schug, with support it means the plumbing traps in said buildings from the Institute for Underground Infrastructure in Germany and CUIRE graduate research assistants. It will review recent publications that have failed or were non-existent. This means propose the presence of organic chemicals and other available literature relating to emissions associated with the installation process. that anyone inside the building is being Phase two of the project will include the development of a scope of services for additional sampling and analysis of emissions during the field exposed to sewer gases, which often include installation of CIPP using the steam cure process. lethal concoctions of hydrogen sulphide (H2S), ammonia, methane, carbon monoxide, various acids, sulphur dioxide and nitrogen oxides. ABOUT THE AUTHOR Any of these gases can be lethal, especially Eric Sullivan has been a NASSCO pipeline assessment certification program trainer for more than five years, and has been in the Trenchless if one is exposed while in a confined space, Technology and sewer services industry for more than 10 years. His company, Sewer Knowledge Services, uses well-rounded industry experience to enable municipalities, civil engineers and sewer service contractors throughout North America to improve the quality of sewer condition and the danger from exposure to sewer gas in A diagram of a plumbing trap. a building is a systemic one, meaning that a assessment and asset management. person would be exposed to these effects more issues and questions come up. the exhaust points of the CIPP steam during For more information visit www.nassco.org constantly during every day activities, For example, a photoionisation detector installations. This is very important because if compared to extrinsic and potential risks of (PID) was used as the primary tool to sample the data is misinterpreted it could result in a vapour migration from a CIPP install, which air quality for the two principal test sites negative impact on the continued use and would be an isolated event occurring over a (CIPP projects in Indiana and California) acceptance of the steam-cured CIPP method. single span of several hours. used in the study. One of the questions I posed during the During the presentation, I submitted a These tools are far from perfect, with issues webinar, given the potential impacts this question about this issue to the presenters. noted that relate to the lenses not being study could have on our industry, was “What Unfortunately, the presenters and moderators properly cleaned prior to use. Measuring any repair methods do you recommend instead of did not address this question, so it was water vapour, such as steam, is inherently CIPP and what will the added costs be to unclear whether they are aware that the logic problematic using a PID, as the condensation rate payers and utilities if you are deeming they are basing their health and safety case on of the vapour on the sensor risks causing a CIPP steam cure as an unacceptable is not supported by the reality of basic sewer false positive. method?” system design. This phenomenon is known as ‘water CIPP steam cure is prevalent as a During the question and answer period, it vapour quenching’. The study does not trenchless rehabilitation method for sewers: seems that Dr Whelton operates under this include any information on countermeasures it's a cost-effective way to renew a flawed view, because he conflates drinking taken, if any, and these common drawbacks deteriorated pipe, adding 50 to 100 years of HPH 4 water with sewer water repairs while are not accounted for. additional useful life. It requires zero digging, answering a question about whether or not The study’s summary indicated that air while causing only a minor and temporary drinking water would be contaminated by was only sampled and tested at either disruption to street traffic and use of CIPP vapours from repairs in a sewer. CIPP steam exhaust points, or directly the sewer. Dr Whelton offered no further explanation inside the refrigeration truck's rear door. I understand the authors of the study and Mears for how it's possible that any fluids in a Other relevant locations – including many who presented at the webinar are wastewater pipe could contaminate a downwind, inside nearby buildings with scientists or health and safety officers, rather drinking water pipe, considering that sewer lateral connections, in the general than professional engineers or sewer asset wastewater collection systems and potable vicinity of the steam “shooter” or inside the managers, so I don't expect them to know the water transmission systems are completely general perimeter of the worksite – were answer to this question; however, this is separate utilities, with completely separate not sampled. possibly the most important question one infrastructure. These latter locations are where workers or could ask regarding the study. I think it's relevant to get into some of the members of the general public might be As conversation around the study methodology employed in the study, because potentially exposed to CIPP or styrene continues, this is a question that will be it seems the more one looks at the details, the vapours – nobody stands at or directly over answered in the court of public opinion. The

bentonite slurry entering the channel. CONTROLLED MICROTUNNELLING Despite some issues in the section before the railway crossing, including the groundwater table rising to 0.9 m above the In a complex hydropower project in Switzerland, the construction of a penstock for the KW Rufi power tunnel and issues with the MTBM’s crushing plant pushed the boundaries of microtunnelling capabilities. Using a Herrenknecht MTBM equipped with chambers leading to a 7-week delay, the a Jackcontrol® Hydraulic Joint and a VMT SLS-Microtunnelling LT system, an s-curve tunnel alignment crossing was able to be completed successfully. Works took place during a with a tight radius and large joint deviation angles was successfully excavated. nightly shut down, and were completed within two nights. After careful calculations that took the n the canton of Glarus, Switzerland, the Linth River. The materials in these areas by acting as a pressure transmission ring. capabilities of the hydraulic joint, the depth Ihydropower has long been a source of comprised abrasive and highly permeable The accompanying real-time monitoring of the receiving pit was reduced to avoid the electricity production. While hydropower sandy gravel with cobbles and boulders with system provides documentation about the need for extensive dewatering systems. The A production is no less popular today, many of inlays of small-grained flood sediments. structural integrity of the pipeline, using the minimum possible radius was determined the hydropower plants built along a 34 km hydraulic joint as a pressure sensor to stretch of the Linth River in the early 20th THE PATHWAY determine the actual jacking force and the Century are ageing and in need of renewal. To cope with the maximum discharge of maximum admissible jacking force on the The KW Rufi Project will construct a the plant, an internal diameter of 3,200 mm actual driven alignment. completely new power plant designed to use was chosen for the penstock, which could be water resources more efficiently by tapping accomplished using a microtunnel boring NAVIGATION unused water sources, as well as supporting machine (MTBM) to install reinforced A VMT SLS-Microtunnelling LT system the efficiency of a power plant downstream. concrete pipes. was used to manage the navigation of the Jackcontrol AG was assigned the design In order to avoid disturbances to a nearby complex drive alignment. and construction management of the project, rail line and sewer, as well as to avoid a The machine setup consisted of a laser which pushed the limits of curved shallow overburden at the railway underpass target mounted in the MTBM, a laser total microtunnelling in challenging conditions that lays between the power house and grit station on a self levelling base, a distance during the installation the plant’s penstock by chamber, the crossing was designed to run measuring wheel and several prisms with making the best use of technologies available under the tracks on the left side of the some inclinometers. This system continuously in the current market. A penstock is a underpass for hydraulic optimisation. records the position of the machine and gives pipeline that intakes water from the source From the drive shaft located in the power the operator steering directions to keep on B – usually a dam or weir – and delivers it to house, the microtunnel started straight and the proper alignment. hydro turbines and sewerage systems. horizontal for 15.2 m, before curving left for Before the line of sight is blocked the laser 182.9 m with a radius of 500 m, followed by a total station and, later on, the prisms are DIFFICULT CONDITIONS short vertical curve to bring the tunnel to a moved into the tunnel to provide an indirect Like other hydropower plants, KW Rufi 0.5 per cent inclination and a right-hand curve line of sight to the MTBM. The total station uses the natural gradient of an alpine river; with a radius of 300 m. After crossing the and prisms move along a line of known however, it had a number of conditions that sewer and railway, an upward curve leading to points in the tunnel, with control required careful planning and execution. a small spatial radius of just 280.4 m returned measurements take to calibrate the system The weir at the water intake needed to be the MTBM closer to ground level. every 75 to 120 m, to continuously calculate designed to allow fish migration, and a grit the actual position of the machine. chamber was required after the intake to JOINTS reduce the amount of suspended sand and The tight 280.4 m radius, combined with THE DRIVE gravel in the water to prevent excessive the 150 inch (3,800 mm) outside diameter of Contractor K-Boringen selected a abrasion to the turbine. The penstock was the pipes, with lengths of 3 and 4 m, resulted Herrenknecht AVND3000 MTBM with a required to deliver water to a power house, in the need for a joint that could manage the cutting wheel, using disc cutters and cutting which would then be directed to the headrace large joint deviation angles that this created, knives, that was adapted to the geology of the D of a downstream power plant. while sustaining reasonable high jacking drive. The crushing chambers were also C The terrain and infrastructure in the area forces without damaging the pipes. reduced to a smaller size so that the excavated prohibited an open-cut penstock design and A Jackcontrol package, comprising a material could be pumped out. the depth of the penstock at the power house, Jackcontol Hydraulic Joint and real-time There were some collapses on the first and, with a tight radius of 259 m, the ‘straight only’ shaft locations. The combined as well as high groundwater table and monitoring of jacking forces, was added to portion of the drive through the shallow MTBM was brought approximately 1.0 m experience of the designer, contractor, permeability meant that closed shield the standard joint design. Compared with overburden, but these were anticipated and closer to the surface than initially planned. surveyor and MTBM manufacturer, along mechanical microtunnelling was the most traditional joint design, the fluid filled therefore not of great consequence. The arch Construction of the KW Rufi penstock has with the use of current technologies, proved A: The MTBM breaks through at the receiving pit. suitable method available. hydraulic joint replaces the wooden packer to channel crossing was able to be completed at shown that, when using the appropriate the capabilities of modern microtunnelling B: The curve alignment of the penstock. The geology of the area included sediment allow large joint deviation angles without a depth of 0.6 m, without damaging the technologies with an MTBM, the alignment on this trailblazing Trenchless C: The pipe equipped with the hydraulic joint. deposits from alpine creeks and gravel from stress concentration on the inside of the curve channel and with a limited amount of of microtunnels is no longer limited to Technology project. D: The MTBM in the drive shaft.

DEEP DIVE INTO PURIFIED WATER TALKING TRENCHLESS WITH OLIVER LAM

In September, CIMIC Group’s Leighton Asia was awarded a US$372 million contract for Phase 2 of Trenchless International speaks with Andrews.engineer Project Manager Oliver Lam about his experience the Singapore Public Utilities Board two-stage DTSS project. The new sewerage system will extend the in the wastewater industry, the use of trenchless methods in sewer asset management, and the future existing deep tunnel system, creating a sustainable wastewater system for future generations. of the trenchless industry.

he Singapore Public Utilities Board’s Can you tell us a bit about your background? assessments and making appropriate (PUB) Deep Tunnel Storage System How did you get started in the industry? rehabilitation recommendations to our T(DTSS) will meet Singapore’s long-term I hold a Bachelor Degree in Civil clients. wastewater needs using deep tunnel sewers to Engineering from Nanyang Technological I still enjoy getting my hands dirty (gloves transport water from the western and University, Singapore. During my studies, actually) and being involved with the actual southern areas to central water reclamation I developed a passion for the water and sewer inspections. AE has an in-house crew plants. wastewater industry. that specialises in trunk sewer inspections Upon graduating in 2002, I worked with typically associated with high volume, fast PHASE 1 contractors installing trunk watermain flowing and long length sewer sections that Phase 1 of the project, completed in 2008, infrastructure in Singapore. It was during can be up to 1,800 m long. comprised the North and Spur tunnels; that five-year period that I was first exposed Inspection of these sewers requires detailed DTSS Phase 2 comprises the South Tunnel, to Trenchless Technology. planning, coordination, and health and safety Industrial Tunnel and associated link sewers. My first trenchless projects included several precautions. Planning such projects and then The completed DTSS will restructure the pipe jackings ranging from 900 mm being a part of the team executing the work is wastewater network, directing used water into to 2,200 mm in diameter, several of which extremely gratifying and exciting! the Changi, Kranji and Tuas water crossed major highways. I was also involved reclamation plants. in a pipe bursting and pipe ramming project. What are the benefits of using trenchless Oliver Lam. In 2007, I managed my first sewer for asset management? PHASE 2 rehabilitation project; at the time, this Trenchless Technology has appropriately assessment and rehabilitation The scope of the works for Phase 2 particular concept was totally new to me and gained a significant foothold supporting the recommendations for five-year duration. includes the design and construction of I embarked on a steep learning curve. Over rehabilitation needs of the numerous sewer It includes day-to-day planning and Yong Wei Hin. 7.9 km of 6 m diameter tunnels, as well as the next four years I was directly involved in collection systems in Canada and globally. managing of the CCTV and manhole shafts, hydraulic structures and other sewage building important commercial and social operational life of 100 years in a corrosive almost 65 km of sewer rehabilitation with With due consideration of the many inspection crews, of which there are conveyance system facilities. infrastructure in Asia,” says Mr Santamaria. sewer environment. cured-in-place pipe (CIPP), fold and form, successful trenchless rehabilitation projects, 10-15 full time teams, data management, “The award of one of the major “We value the opportunity to contribute PUB Director of DTSS Phase 2 Yong Wei and spiral wound technologies, including municipalities have now developed the trust ongoing quality assurance and quality tunnelling packages for the DTSS in our key resources and expertise to safely and Hin says, “The DTSS is a more cost-effective more than 1,500 ‘top-hat’ installations and and confidence necessary to support, and control (QA/QC), condition assessment Singapore demonstrates CIMIC’s diverse effectively deliver a project of this scale and and sustainable way of meeting Singapore’s over 1,000 manhole rehabilitations. often encourage, the use of trenchless review and rehabilitation assignment. capability, drawing together the expertise of complexity.” used water needs and securing NEWater technologies. Deliverables of data are done through Leighton Asia and CPB Contractors to DTSS Phase 2 broke ground in November supply for the future than simply renewing What does your current role entail? The reduced impacts and the often more InfoNet snapshots and GIS updates. deliver large and critical infrastructure 2017, and will use 19 tunnel boring machines and expanding the existing conventional used I am a Project Manager with Andrews. expedient approaches associated with Toronto adopted a unique approach for assets,” says CIMIC Group CEO Adolfo to create 40 km of deep tunnels and 10 km of water infrastructure. PUB will continue to engineer (AE), which is an Ontario, trenchless technologies are attractive to this program: the inspection contractors are Valderas. link sewers up to 55 m below ground and sea. harness advanced technologies to enhance Canada-based civil engineering firm that municipal managers and elected officials. actual members of the consulting team. “It is our privilege to contribute our A further 50 km of link sewers will be Singapore’s used water management system specialises in sewer asset management. We’re AE leverages its significant experience and As a result, AE has retained the contractors innovative and cost-effective design and constructed using microtunnelling and pipe and ensure its water sustainability for the involved in the collection and establishment expertise to guide our clients in the selection to work as part of the team and are directly construction methodologies to support jacking methods. future.” of sewer inventory databases, the of appropriate trenchless solutions that help involved in the overall planning and Singapore’s continued growth, and fulfil the With the aim of building a sustainable Construction on Phase 2 of the project management of large scale sewer and restore and improve the reliability and management of the field work, as well as quality and sustainability expectations of its system, the deep tunnels will be lined for commenced in October 2017 and is expected manhole inspection and assessment programs, lifecycle of their sewer systems. self-managing the QA/QC process. people and communities.” corrosion protection, with an estimated to be completed by 2025. and the management and design of sewer The comprehensive team approach, with CPB Contractors and Leighton Asia rehabilitation works. Is AE currently involved in any interesting consultants and contractors closely working Managing Director Juan Santamaria says the My primary role is to plan, schedule and projects that utilise Trenchless Technology? together, has resulted in productivity and contract provides an opportunity to For more information visit www.leightonasia.com manage complex projects, including selecting There are a couple of projects that come accuracy exceeding original program targets. contribute Leighton Asia’s resources and the most appropriate techniques and to mind. On average, 65,000 m of sewer and 1,200 experience to a complex project. technologies to optimise both sewer We are currently managing the biggest manhole inspections are completed every “Our team has extensive international An in-depth exploration of the DTSS Phase 2 was published in the Fall 2016 edition of inspections and the rehabilitation needs of sewer inspection and condition assessment month, which is 30 per cent above the project experience in delivering major tunnelling and Trenchless International. A digital version of this magazine can be access via our clients’ sewer systems. My responsibilities program in Canada for the City of Toronto. targets – this translates to 780 km of sewer complex energy and resources infrastructure, www.trenchlessinternational.com/magazines include coordinating the field work, reviewing As the designated program manager, AE is and more than 14,000 manhole inspections as well as decades of local experience in collected data, completing related condition responsible for delivery of the inspection, per year.

52 | WINTER 2018 | TRENCHLESS INTERNATIONAL Follow us on Twitter @TrenchlessInt | trenchlessinternational.com trenchlessinternational.com | Follow us on Twitter @TrenchlessInt TRENCHLESS INTERNATIONAL | WINTER 2018 | 53 | COMPANY NEWS | | COMPANY NEWS | HOT SLEEVE SEALS THE DEAL We are also working on several sewer rehabilitation projects involving no less than Aussie Trenchless’ Australian-designed and developed HOT SLEEVE has made its mark on the seven large diameter trunk sewer systems. The rehabilitation projects include: Australasian no-dig industry, after taking home the ASTT New Technology of the Year Award at No-Dig evaluation of rehabilitation techniques; Down Under 2017. HOT SLEEVE offers a controlled and speedy resin cure for patch liners and T Seals, review of the impact on hydraulic performance; development of bypass saving more than 60 per cent of crew time during the resin cure period. pumping schemes; detailed design of both sewer and manhole rehabilitation; preparation of tender packages, standards and specifications, followed by contract ussie Trenchless’ innovative HOT BENEFITS OF THE HOT SLEEVE administration and site inspection during SLEEVE was recognised with the construction. AAustralian Society for Trenchless Technology • a tight-fitting jacket for a range In a nutshell, we are a one-stop solution for (ASTT) Award for New Technology in of commonly available inflatable these rehabilitation projects, from initial September at No-Dig Down Under 2017. repair packers planning to design and tendering to contract The company’s Director, Chris Meredith, was • reduces cure periods by more than administration. These projects give us valuable presented with the award during the Gala 60 per cent opportunities to be a leader in the sewer Dinner of the biennial ASTT event. • installation equipment has a minor rehabilitation and Trenchless Technology site footprint industry. NEW TECHNOLOGY • powered using a control unit to The award-winning product uses heat to provide low DC current What’s the most memorable project you’ve passively cure the resin patch matrix, allowing worked on? resin to achieve the maximum pot life with • portable and easy to use I have been blessed to be directly involved the shortest cure period. The HOT SLEEVE • able to perform more of with a large number of interesting and is portable and easy to use, with a small site installations for the same daily challenging Trenchless Technology projects footprint and fast results, improving the costs One that certainly stands out for me is the productivity and profitability of rehabilitation • improves productivity and recently completed Mid-Toronto Interceptor AE specialists working on site. projects. profitability (MTI) inspection and condition assessment IT’S NOT EVERY DAY YOU ENCOUNTER THE ‘GOLIATH’ OF It uses a DC current to evenly heat the project, which is the largest trunk sewer in internal surface of the patch matrix using the The HOT SLEEVE jacket on an inflatable packer. the largest city in Canada. SEWERS; TO BE PART OF THE FIRST TEAM TO SUCCESSFULLY heating jacket around standard inflatable with the right resin selection; however, the The MTI is 35 km long and ranges in size COMPLETE ITS INSPECTION IS A HUGE PERSONAL rubber packers. Unlike traditional heating T junctions. Epoxy resin cure times can increased temperatures during summer risk from 1,500 mm to 3,050 mm diameter and is systems, which use the heating wire as an be reduced to 1 hour and 15 minutes, shortening the pot life and increasing the designed to operate under a sustained ACCOMPLISHMENT. essential part of the packer, once fitted around while silicate resins can be cured in less failure window. surcharge condition. Pressure fitting domes the packer it stays in place until its useful life than 30 minutes. By reducing cure time, the HOT SLEEVE were installed at the base of access chambers expires, before being replaced by a new one. Currently, one industry practice to extend reduces the overall exposure of the resin to in order to prevent sewage from rising up What developments have you seen in provides an added sense of quality assurance The system is versatile and can be used on resin pot life is to ice the resin, which is temperature extremes, offering operators the into the chambers, which are 25 m deep Trenchless Technology since you entered and control in pipe renewal. straight patch repairs, lateral bends of 45° to particularly common with silicate resins. This potential for longer pot life and less wasted on average. the industry? 90°, and on house line to main sewer line solution can work well for winter installations material. The dome covers vary in size from Sewer inspection technology has greatly What’s in store for the industry in the 1,200 mm to 1,500 mm diameter and are improved over the past decade. 3D cameras future? secured with Victaulic-style couplings that have now become the norm for manhole Considering the significant growth of utilise 225 mm long, 90 mm diameter bolts. inspections and are occasionally used for urban centres, remaining lifecycles of critical The average distance between access chambers sewer main inspections as well. Light sewer infrastructure and increased is 900 m, with the longest being 1,450 m. detection and ranging, or LiDAR technology congestion within municipal rights-of-way, The sewer was built in the 1960s and, due is also making significant inroads with the Trenchless Technology industry will to its complexity, inspection has never been respect to the inspection of complex and continue to develop and respond to attempted until now. Our crew successfully remotely located chambers. municipal needs. completed the inspection of the entire length Both approaches have significantly Trenchless approaches are already viewed of MTI, including inspection of 65 complex improved data collection accuracy, thereby by many municipal clients as the default structures, earlier this year after three years of enabling detailed and expedient condition approach to system rehabilitation. While careful planning and execution. assessments and rehabilitation designs. trenchless technologies are more frequently The 240 V HOT SLEEVE control system. Heating jackets at various lengths for lateral lining. It’s not every day you encounter the On the rehabilitation front, the application the preferred and optimal alternative to ‘Goliath’ of sewers; to be part of the first team of UV lining has greatly advanced in terms sewer system renewal, the industry will to successfully complete its inspection is a of pipe size and length capabilities. This gives continue to expand its capabilities and For more information visit www.aussietrenchless.com huge personal accomplishment. us yet another rehabilitation tool and associated applicability.

technologies with potential users; eight SUPPORTING TRENCHLESS IN CHINA technologies currently occupy the exhibit space. by Dr Tom Iseley and Saleh Behbahani, TTC at LA Tech During 2017, TTC-TJ-EC reviewed a wide range of trenchless technical solutions. A shortlist of possible candidates was As part of a new partnership with Trenchless International, the TTC at LA Tech will now provide updates developed and from the shortlist four of its activities in each edition of the quarterly magazine. The first article in this series focuses on TTC’s were selected to move forward with establishment of a Trenchless Technology Centre in Tianjin, China – known as TTC-TJ-EC – with the developing a comprehensive business development strategy. objective of identifying first class technical solutions and transferring them to the global market. TQCW hydro-pneumatic water main cleaning process he Trenchless Technology Center- This technology was designed for cleaning Tianjin-Experience Center (TTC-TJ- large diameter long distance pressure water TEC) was established in 2016 with the signing mains. It is commercially available and is of a Memorandum of Understanding (MoU) currently being used by TQCW, a large utility by Tianjin Qingcheng Waterworks Company that provides drinking water and is an Participants of the 2017 Technology Business Develop Summit visiting the dynamic simulator of the TQCW hydro-pneumatic Water (TQCW) Chairman Ma Qing in Tianjin, integral part of Tianjin Water which serves Main Cleaning technology at the TQCW laboratory. China and Louisiana Tech University over 21 million people. (LA Tech) President Dr Les Guice. SIPP liner to accomplish high internal oversight throughout the discussions relating The main objective of the MoU was to Tomahawk System pressure applications. to developing a pathway forward. form a working agreement for the Trenchless This technology is a dry water main Technology Center (TTC), based at LA cleaning and lining process utilising a vacuum TECHNOLOGY BUSINESS DEVELOPMENT “OVERWHELMING SUCCESS” Tech, to assist with identifying, validating, system to create a negative pressure airflow, SUMMIT Dr Iseley says the outcome of the summit transferring and commercialising trenchless allowing 3 gradations of stone to be used to On 11 October 2017, TQCW conducted was an overwhelming success. An MoU is in technical solutions into China, as well as clean the inside of water mains in the its first Technology Business Development the process of being executed to formalise the transferring technologies from China into 4 to 12 inch (100 to 300 mm) diameter range. Summit at the TTC-TJ-EC. The owner cooperative working relationship, which was the global market. The same airflow and equipment is used to representatives of the selected technical agreed to as a result of the summit. provide a polymeric barrier coating to the solutions were invited to the one-day event, Dr Iseley adds that the outcome is ESTABLISHMENT inside surface of the host pipe; this which consisted of two parts. consistent with the vision that Mr Ma Qing TQCW established TTC-TJ-EC in the technology has been used in Canada, and the Taking place in the morning, the main had with the establishment of the TTC-TJ- L-R: ANYUE Trenchless Engineering’s Karly Wu and Dr Leo Liao, Louisiana Tech President Dr Les Guice, TQCW Chairman Ma Qing, heart of the financial business district in TTC Associate Director of International Operations Tom Iseley and Southwest Petroleum University’s Professor Xiaonan Wu. US and UK. objective of the first part was for each EC and also in-line with the commitment Tianjin, located roughly 100 km southeast of technology provider to present an overview of the TTC has made over the past 28 years: to Beijing. The centre, an impressive resource for Link-Pipe Mechanical Seals its technologies, describing manufacturing be an international leader for advancing the the trenchless industry, accommodates This technology has been in use for more processes and application envelopes. science and practice of Trenchless Technology approximately 1,133 m2 of mixed use space than 30 years throughout the world. Part two was conducted after a working through research, education and technology that includes meeting rooms, a fully equipped In addition to its main product line of lunch session hosted by TQCW in the transfer. conference room, a private dining room and a standard mechanical seals, Link-Pipe has TTC-TJ-EC private dining room. The main As a result of the commitment that TTC high-tech exhibit room. developed many innovative customised objective was to discuss the options for made in China, Dr Iseley has established an The centre will serve multiple purposes, applications for large circular and non- forming business agreements to work operating base in Chengdu to continue to such as being available for utilities circular pressure and non-pressure pipelines. together to transfer the technologies, protect work with a wide range of organisations, such throughout China to visit and experience intellectual properties, consider various as research institutes, universities and private more about specific solutions that could be SippTech System manufacturing options, etc. companies to support China’s expanding and used to meet their precise challenges. It will This is an emerging technology, which is in The summit concluded with a visit to the challenging underground infrastructure also be a resource to transfer research into its final stage of development. It is being TQCW lab for all participants to see a live industry. practice, and to assist technology providers in developed to meet the demands for a fully demonstration of the TQCW At the TTC at LA Tech, Dr Iseley is overcoming the barriers of market entry. structural spray-in-place pipe (SIPP). hydro-pneumatic water main cleaning supported by three visiting scholars from The exhibits are intended to provide a It uses highly sophisticated robotics and simulator and concluded with celebration three separate educational institutions in multimedia experience for potential users sensors to ensure that the thickness of the banquet sponsored by TQCW. China, as well as PhD and Master Degree through animations, videos, simulations, and polymeric liners is controlled, uniform and The summit was moderated by students from China. Currently, he is the more, as well as provide a virtual application documented. It has been designed for Mr Ma Qing and LA Tech Associate instructor for a graduate course at LA Tech of the technical solution. Technology pressure pipe 8 inch (200 mm) in diameter Director of International Operations for focused on advanced asset management providers are already taking advantage of this and higher, using a thread of carbon fibre TTC Dr Tom Iseley. TTC Director Dr John principles and practices relating to opportunity to generate awareness of their The opening ceremony of the TTC-TJ-EC. winding to provide the tensile strength to the Matthews provided technical support and buried assets.

A NIGHT TO REMEMBER HOLISTIC APPROACH TO UNDERGROUND

The UKSTT celebrated the 23rd anniversary of its annual Dinner and Awards Ceremony at the Met Hotel INFRASTRUCTURE in Leeds in October last year, with almost 200 guests in attendance. by Dr Klaus Ritter, EITEP President

Hosted by EITEP, the Pipe and Sewer Conference – or PASC – will run parallel to one of Europe’s largest he event opened with a speech from • The Small Renovation Award, which The event raised £1,016.48 (US$1,378) United Kingdom Society for Trenchless recognises UK pipeline renovation projects for MIND, a mental health charity that oil and gas pipeline conferences in Berlin, Germany in March. In combination the two events will take a TTechnology (UKSTT) Chairperson Matthew of under £250,000. focuses on making sure all people holistic cross-disciplinary and cross-media approach to sharing technological developments and processes Izzard, who spoke about the progress of the • The New Installation Award, which experiencing mental health problems receives society and its place in the industry. recognises a company that demonstrates the support and respect that they deserve. for underground infrastructure solutions on an international scale. During his speech, Mr Izzard discussed the its key roles in successful new installations After dinner, guests were entertained with impacts of the industry’s constant state of of cables, ducts or pipelines using speech by football legend and England’s most change, recognising that the UKSTT trenchless techniques. capped player Peter Shilton. he population of the world is steadily continues to prosper due to the participation • The Small Scheme Award, which Tgrowing. More and more people are of some of the world’s most recognised recognises smaller projects that are 2017 UKSTT AWARD WINNERS moving from less populated rural areas to leaders in the Trenchless Technology industry. examples of excellence either technically large cities because they find work, education Mr Izzard went on to discuss the or professionally and demonstrating Young Professional Award and cultural opportunities there and importance of engaging with young people’s innovation in street works and Emilie Leclerc, Affinity Water ultimately hope for a better life, accepting the interest in the industry, before introducing environmental protection. Large Renovation Award fact that they are exposed to crowded living the 2016 recipient of the Young Professional • The Innovative Product Award, which spaces and traffic, air and noise pollution. McAllister Group: flow control and joint Award, Nathan Hand, who delivered a brief recognises non-project specific In large regions of Africa, Central and articulation for the construction of presentation on what the award meant to him developments that support the trenchless South America and also South Asia, urban tunnel and the opportunities it provided. technology industry and are new to the areas are growing so fast that the To read more about Mr Hand’s experiences UK market. Small Renovation Award development of housing and infrastructure turn to page XX. • The Innovative Application of Technology UKDN Waterflow: installation of a – most notably for transport, supply and After the address, Mr Izzard announced the Award, which recognises projects where structural liner in a brick lined culvert disposal – cannot keep pace. The Dr Klaus Ritter. winner of the Young Professional Award, the innovative thinking or approaches have New Installation Award consequences are crowded inner cities, which recipient of which receives a £2,000 enabled successful application of existing even the slightest disruption can cause traffic discussed – a holistic view of the the topic of growing cities, titled (US$2,695.40) bursary prize. After dinner, systems in unorthodox or creative ways. Severn Trent Water/BNM Alliance: and economic life to collapse. underground infrastructure with all of its ‘Construction and Rehabilitation in awards were presented across several categories: • The Environmental Award, which construction of new bypass tunnels to Furthermore, the existing underground media is not taken into account. Megacities’. Berliner Wasserbetriebe, deteriorating sections of the Elan Valley • The Large Renovation Award, which recognises a company that demonstrates infrastructure for the supply and disposal of The Pipe and Sewer Conference (PASC), Germany's largest water and wastewater Aqueduct recognises UK pipeline renovation projects how its project, process or product has energy and water, which has sometimes been held parallel to the Pipeline Technology network operator with a history of more than of over £250,000 (US$338,937). improved environmental performance. Small Scheme Award in place for decades, is often in a desolate Conference (ptc) and hosted by Euro 150 years, will also present its experience with South West Water Delivery Alliance H50: state and operators have to cope with high Institute for Information and Technology cross-media construction. The unique Mayflower Street pile cutting and cured- losses. This causes high costs, is dangerous in Transfer in Environmental Protection meeting of experts in the pipeline, pipe and in-place pipe patch repair the case of gas and can cause great (EITEP), from 12–14 March in Berlin, sewer areas will enable the exchanges of Innovative Project Award environmental damage in the case Germany is aiming to close this gap. experiences and technology, as well as of wastewater. PASC will start with a panel discussion on covering new approaches to solutions. SGN and TRACTO-TECHNIK UK: Planners have been dealing with this mains and service using new keyhole dilemma for many years. Some solutions technology include the redesign of cities or districts on PIPELINE AND SEWER CONFERENCE Innovative Application of Technology the ‘greenfield’ – like New Cairo, which is 12–14 March 2018 Award currently being planned – or the further Estrel Convention Center Affinity Water, Suez Water UK and Mace: development of construction processes using, Berlin, Germany trunk main cleaning program using ice for example, Trenchless Technology, or pigging construction planning like cross-media www.pipeandsewer.com Intensive research and the continuous exchange of experience between universities, Environmental Award construction and far-sighted construction. Thanks to the commitment of the ISTT industry professionals, municipalities and the private operators have played a large part Northern Gas Networks: commercial and its national organisations and members, in reducing water and wastewater losses to a single digit percentage, and gas losses to solution for removing water from service the refinement of construction processes is almost zero in central Europe. The EITEP Institute set up PASC to further this exchange pipes in a single operation. well on track. However, at the international on an international level, running parallel to the already established Pipeline Technology level, only technological developments and Conference (ptc). The 2017 UKSTT Award recipients. processes in individual media are usually

PREPARATIONS UNDERWAY ITTC RETURNS IN 2018

ISTT’s International No-Dig South Africa ITTC 2018 8–9 October 2018 11–13 April 2018 Cape Town International Convention Centre Zhengzhou International Convention and Exhibition Centre Cape Town, South Africa Zhengzhou, China nodigsouthafrica.com www.cstt.org.cn In 2018, the China Society for Trenchless Technology’s annual Hosted in 2018 by the South African Society for Trenchless event will take place in Zhengzhou, the capital of Henan Technoloy, the ISTT’s 36th International No-Dig event is a Provence. The 22nd China International Trenchless Technology much-anticipated fixture in the event calendar which brings Conference, or ICCT, will provide a platform for companies, together engineers, planners, consultants, contractors and operators universities and research institutions to share their own Shutterstock © Photo Africa SA from all over the world who specialise in the installation and innovation and discuss the latest products, technology, refurbishment of underground utilities. The two-day event will management strategies and much more. showcase newly-launched machinery and products and offer official publication of the ISTT, Trenchless International will be the international suppliers an opportunity to market their products to best source for the latest information and news, before and visitors from South Africa and the surrounding regions. As the after the event. POLISH TRENCHLESS faculties from the Kielce University of IN THE SPOTLIGHT Technology, the event will be an opportunity TRENCHLESS SET TO FLOURISH 2018. It comes at a time when the TSITT says to share knowledge and experiences between the country’s trenchless industry is experiencing No-Dig Poland public administration staff, scientists and IN TURKEY a boom, with more than 6,000 km of CCTV 18–19 April 2018 professionals working in the water and inspection and cleaning works announced to be Hotel Uroczysko wastewater sector. Topics covered during the No-Dig Turkey completed in the next two years. Additionally, more Kielce, Poland conference include: issues related to the use of trenchless 29–31 March 2018 than 200 km of cured-in-place pipe and close-fit sliplining, www.nodigpoland.pl technologies in design, construction and renewal of underground Istanbul Expo Centre and more than 100 km of microtunnelling, pipe jacking and infrastructure in the water, sewage, gas, road and rail industries. Istanbul, Turkey horizontal directional drilling, has been scheduled for completion by Poland’s 8th Trenchless Technology conference, No-Dig Poland, The EXPERT 2018 Statuettes will also be awarded during the www.nodigturkey.com the end of 2020. No-Dig Turkey, which will run alongside the will take place in Kielce on 18–19 April. Hosted by the Polish event, for the innovation of trenchless products, installations and th country’s 4 Water Loss Forum, represents one of the best Foundation for Trenchless Technology in association with rehabilitations. Hosted by the Turkish Society for Infrastructure and Trenchless opportunities for trenchless professionals in the region to rub Technology (TSITT), No-Dig Turkey will return to Istanbul in shoulders with the decision makers, owners and contractors. DOES YOUR COMPANY HAVE AN EVENT THAT YOU WOULD LIKE TO SEE FEATURED IN TRENCHLESS INTERNATIONAL? Contact Editor Nick Lovering to discuss promotional opportunities: [email protected] AATT TO HOST ANNUAL TRENCHLESS BALKANS SYMPOSIUM CELEBRATES NO-DIG

Austrian Symposium for Trenchless Balkans celebrated all things no-dig when it was Trenchless Technology hosted in Sarajevo, Bosnia and Herzegovina in October last 6–7 March 2018 year. The conference, hosted by the International University Impulsquartier Loipersdorf, Austria of Sarajevo (IUS), included speakers and www.grabenlos.at participants from Germany, Poland, Czechia, Romania, Bulgaria, Macedonia, Turkey, Serbia In March, the Austrian Association for Trenchless and Croatia. The more than TPH 1 Technology (AATT) will once again host the Austrian 100 attendees also had the opportunity to Symposium for Trenchless Technology. The event, which develop their business networks for the AATT produces on an annual basis, focuses on the whole southeast Europe trenchless market. trenchless industry and features a wide range of lectures Exhibitors introduced their latest trenchless from industry professionals and companies on various topics. products to the officials of Balkan countries who are Hammerhead A trade exhibition runs alongside the conference, with more considering trenchless solutions to repair old and damaged than 35 companies expected to be represented. In 2018, the underground infrastructure. The IUS has already started event will also present a learning workshop on the benefits planning the 2nd Trenchless Balkans which will take place on of Trenchless Technology. 18–19 October 2018.

ABOUT ISTT & MEMBERSHIP German Society for Trenchless Technology Netherlands Society for Trenchless Technology The ISTT is the umbrella organisation for trenchless technologists in over 30 countries worldwide. (GSTT) (NSTT) Singapore Society for Trenchless Technology In 28 countries, groups of trenchless technologists have their own national affiliated groups, while Messedamm 22 Postbus 483, 2700 AL Zoetermeer (SgSTT) the remainder are registered directly with the ISTT. D-14055 Berlin Germany The Netherlands 80 Toh Guan Road East Phone: +49 30 3038 2143 Phone: +31 (0)79 3252265 WaterHub 608575 Singapore Trenchless Technology covers the repair, maintenance, upgrade and new installation of Visit istt.com for Fax: +49 30 3038 2079 Fax: +31 (0)79 3252294 Phone: +65 9712 4054 underground utility services using equipment and techniques which avoid or considerably reduce Email: [email protected] Email: [email protected] Email: [email protected] the need for excavation. The ISTT promotes research, training and the more extensive use of further information Website: gstt.de Web: nstt.nl Website: sgstt.org.sg Trenchless Technology through publications, cooperation with other NGOs, an annual international conference and an interactive website. Trenchless Technology is recognised as an environmentally sustainable technology and is particularly suited for use in densely populated urban Italian Association for Trenchless Technology areas by reducing disruption to people’s daily lives, social costs (traffic congestion, damage to road surfaces and buildings, air quality), noise and Turkish Society for Infrastructure and (IATT) Polish Foundation for Trenchless Technology Trenchless Technology (TSITT) dust. Trenchless technologies also have a considerably reduced carbon footprint compared to trenching in most situations. Via Ruggero Fiore, 41 (PFTT) Baglar Mah. Mimar Sinan Cad. No:35 Divan 00136 Rome Italy Ul. Warkocz 14, Residence D:229 Bagcilar +39 06 39721997 25-253 Kielce Poland Phone: 34209 Istanbul, Turkey Fax: +39 06 91254325 Phone/Fax: +48 41 34 24 450 AFFILIATED SOCIETY DETAILS Phone: +90 212 603 11 01 Email: [email protected] Website: pftt.pl Fax: +90 212 603 11 02 Website: iatt.it Email: [email protected] Website: akated.com Austrian Association for Trenchless Czech Society for Trenchless Technology China Hong Kong Society for Trenchless (CzSTT) Technology (AATT) Technology (CHKSTT) Romanian Society for Trenchless Technology c/o TU Wien, E006L, Resselgasse 5, Bezova 1658/1, 147 14 Praha 4, Czech 10/F Hing Lung Commercial Building Republic (RoSTT) 1040 Wien, Austria 68–74 Bonham Strand East, Hong Kong Iberian Society for Trenchless Technology Caiuti No. 25, Bucharest, District 1, Romania Phone: +43 664 5184084 Phone: +420 244 062 722 Ukraine Association for Modern Trenchless Fax: +852 8148 7764 Fax: +420 244 062 722 (IbSTT) Phone: 0040727737288 Email: [email protected] Email: [email protected] c/ Josefa Valcarcel, 8 – 3a PTLA Fax: 0040727737288 Technology (UAMTT) Website: grabenlos.at Email: [email protected] 83A Srednyaya Str., Odessa, 65005 Ukraine Website: chkstt.org Website: czstt.cz 28027 Madrid Spain Email: [email protected] Phone: +34 913 202 884 Email: [email protected] Phone: (380 503) 953 280 Email: [email protected] Website: rostt.ro Fax: (380 482) 341 301 Website: ibstt.org Email: [email protected] Brazil Association for Trenchless Technology Website: no-dig.odessa.ua (ABRATT) Colombian Institute for Subterranean Danish Society for Trenchless Technology George Ohm Street Infrastructure Technologies and Techniques (DKSTT/NoDig Infra) 206/230 19 Floor Tower A (CISTT) Russian Society for Trenchless Technology City Monsoons 04576-020, São Paulo Brazil Odinsvej 29, Silkeborg, Denmark (Calle 80) Autopista Medellín 3.5 km via Bogota Japan Society for Trenchless Technology (RSTT) United Kingdom Society for Trenchless Phone: +55 11 3056 6000 Phone: +45 508 944 89 Siberia Costado sur TTCB Oficina C-12 (JSTT) Moscow area, Odintsovskii Region, Technology (UKSTT) Email: [email protected] Fax: +45 508 944 89 Phone: + (571) 876 4675 3rd Nishimura BLDG., 2-11-18 Tomioka, Marfino, 99, 143025 Russian Federation Camden House, Warwick Road abratt.org.br Email: [email protected] Website: Mobil: + (57) 3107 991 039 Phone: +7 (495) 771 71 00 Kenilworth, Warwickshire CV8 1TH UK Web: sstt.dk/Om-NoDig-Infra Koto-ku, Tokyo 135-0047 Japan Email: [email protected] Phone: +81 3 5639 9970 Fax: +7 (495) 771 71 00 Phone: +44 (0)1926 513 773 Email: [email protected] Fax: +81 3 5639 9975 Email: [email protected], [email protected] Fax: +44 (0)1926 330 935 Website: ictis.org Email: [email protected] Website: robt.ru Email: [email protected] Website: jstt.jpg Website: ukstt.org.uk Finnish Society for Trenchless Technology Australasian Society for Trenchless (FiSTT) Technology (ASTT) C/ Mika Nevala/Pöyry Finland Oy 18 Frinton Place PO Box 50, FIN-01621 Vantaa, Finland Greenwood, WA 6024 Australia China Society of Geology – Trenchless Phone: +358 10 332 6658 Fax: +61 (0)8 9343 5420 Technology Committee (CSTT) Fax: +358 10 332 6603 Email: [email protected] Room 151, 26 Baiwanzhuang Street Lithuanian Association of Trenchless Southern African Society for Trenchless Email: [email protected] Website: astt.com.au Xicheng District, Beijing 100037 China Technology (LIATT) Technology (SASTT) Phone: +86 10 6899 2605 Website: fistt.net V.Gerulaicio str. 1 PO Box 13981 Fax: +86 10 6899 2605 LT-08200 Vilnius Lithuania Sinoville 0129 South Africa Website: cstt.org Phone: +370 5 2622621 Phone: +27 (12) 567 4026 Fax: +370 5 2617507 Fax: +27 (12) 567 4026 [email protected] Bulgarian Association for Trenchless Email: Email: [email protected] lbta.eu Technology (BATT) Website: Website: sastt.org.za Koprinka Lake Village French Society for Trenchless Technology Kazanlak, 6100 Bulgaria Chinese Taipei Society for Trenchless (FSTT) Phone: +359 2 4901381 4 rue des Beaumonts Fax: +359 431 63776 Technology (CTSTT) F-94120 Fontenay Sous Bois, France Scandinavian Society for Trenchless Email: [email protected] 3F, No.92, Sec. 4, Roosevelt Rd Phone: +33 1 53 99 90 20 North American Society for Trenchless Technology (SSTT) Website: batt-bg.org Zhongzheng District, Taipei City 100, Taiwan Phone: +886 2 2362 0939 Fax: +33 1 53 99 90 29 Technology (NASTT) SSTT Service AB, Box 22 307 14500 Lorain Ave #110063 Fax: +886 2 8369 5171 Email: [email protected] 104 22, Stockholm Cleveland, OH 44111, USA Email: [email protected] Website: fstt.org Phone: +46 8 508 938 00 Phone: +1 216 570 8711 Email: [email protected] Email: [email protected] Website: sstt.se Website: nastt.org

ADVERTISERS’ INDEX

Applied Felts...... IFC Herrenknecht AG...... 1 SAERTEX multiCom...... 45 Aries Industries Inc...... OBC Mears Group, Inc...... 49 Sanexen Environmental ServicesInc...... 5 Aussie Trenchless Supplies Pty Ltd...... 40 Prime Drilling GmbH...... 37 TRACTO-TECHNIK...... 41 Brandenburger Liner GmbH & Co.KG...... 27 Radlinger Primus Line GmbH...... 3 HammerHead (ETC)...... 61 RELINEEUROPE AG...... 39

UPCOMING EVENTS

NASTT NO-DIG SHOW TRENCHLESS ASIA 2018 ISTT’S INTERNATIONAL NO-DIG SOUTH AFRICA 25-29 March 2018 7–8 May 2018 8–9 October 2018 Palm Springs Convention Centre Kuala Lumpur Convention Centre Cape Town International Convention Centre California, US Kuala Lumpur, Malaysia Cape Town, South Africa www.nodigshow.com www.trenchlessasia.com www.nodigsouthafrica.com

EDITORIAL SCHEDULE 2018-19

Spring 2018 Summer 2018 Fall 2018 Winter 2019

Tunnelling & Pipejacking & cracking HDD HDD microtunnelling CIPP Slip lining Slip lining FEATURES Spiral wound lining Inspection & condition Vacuum excavation Asset management CCTV assessment Education & training Research Utility location Industry standards

EXTRA DISTRIBUTION Trenchless Asia Trenchless Romania No-Dig Live NASTT No-Dig Show REGIONAL FOCUS Asia Europe UK North America DEADLINE 2 MARCH 2018 27 APRIL 2018 12 JULY 2018 3 JANUARY 2019

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ISSUE 38 | WINTER 2018

The o cial publication of the International Society for Trenchless Technology ISSUE 38 | WINTER 2018

The o cial publication of the International Society for Trenchless Technology

Award-winning Award-winning ISTT recognises Mears Group HDD for complicated installation ISTT recognises Mears Group – Page 16 HDD for complicated installation – Page 16 ISSUE 38 | WINTER 2018

The o cial publication of the International Society for

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F E R E N C E E D I T I O N Award-winning ISTT recognises Mears Group HDD for complicated installation NASTT No-Dig – Page 16 C No-Dig ﬂ ourishes in Show comes to Findings of CIPP O 14 the Americas 26 Palm Springs 47 report refuted N

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O E N F E R R E N C E E E D I N N T I O NASTT No-Dig C No-Dig ﬂ ourishes in Show comes to Findings of CIPP E 14 the Americas 26 Palm Springs 47 report refuted E D I T I O N

NASTT No-Dig No-Dig ﬂ ourishes in Show comes to Findings of CIPP 14 the Americas 26 Palm Springs 47 report refuted

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