IssUe 16 - July 2012 - Trenchless International
IssUe 16 - July 2012 - Trenchless International IssUe 16 - July 2012 - Trenchless International
Relining Tools Water In this issue | Turkey | US | South Korea | Germany | France | China | Brazil | Australia | Colombia Pipe Jacking and Microtunnelling The official magazine of the ISTT Rejuvenating an old Seoul July 2012 Issue 16
- Page 2 and 3: PRIME HORIZONTAL Have an HDD Inters
- Page 4 and 5: 2 Great Southern Press Pty Ltd quer
- Page 6 and 7: exeCUtIve dIReCtOR’s RepORt July
- Page 8 and 9: News July 2012 - Trenchless Interna
- Page 10 and 11: Istt News July 2012 - Trenchless In
- Page 12 and 13: Istt News July 2012 - Trenchless In
- Page 14 and 15: wAteR FeAtURe July 2012 - Trenchles
- Page 16 and 17: CONFeReNCes July 2012 - Trenchless
- Page 18 and 19: CONFeReNCes July 2012 - Trenchless
- Page 20 and 21: tURkey July 2012 - Trenchless Inter
- Page 22 and 23: MICROtUNNeLLING ANd pIpe JACkING Ju
- Page 24 and 25: MICROtUNNeLLING ANd pIpe JACkING Ju
- Page 26 and 27: pROJeCts July 2012 - Trenchless Int
- Page 28 and 29: COMpANy News July 2012 - Trenchless
- Page 30 and 31: ReLINING tOOLs July 2012 - Trenchle
- Page 32 and 33: ResINs July 2012 - Trenchless Inter
- Page 34 and 35: July 2012 - Trenchless Internationa
- Page 36 and 37: GET THE VERY BESTJOB We’ve create
Relining Tools<br />
Water<br />
In this issue | Turkey | US | South Korea | Germany | France | China | Brazil | Australia | Colombia<br />
Pipe Jacking and Microtunnelling<br />
The official magazine of the ISTT<br />
Rejuvenating<br />
an old Seoul<br />
<strong>July</strong> <strong>2012</strong><br />
Issue <strong>16</strong>
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Sam Ariaratnam<br />
Istt Chairman<br />
<strong>International</strong> Society for<br />
<strong>Trenchless</strong> Technology<br />
www.istt.com<br />
info@istt.com<br />
Chairman: Dr Samuel Ariaratnam<br />
Ariaratnam@asu.edu<br />
Vice-Chairman: Derek Choi<br />
derekchoi@balama.com<br />
Executive Director: John Hemphill<br />
hemphill@istt.com<br />
Membership Secretary: Kyoko Kondo<br />
kondo@istt.com<br />
Executive Sub Committee<br />
Jeff Pace: Australasia<br />
Sergio Palazzo: Brazil<br />
Gerda Hald: Denmark<br />
Enrico Boi: Italy<br />
Takehiro Toyoda: Japan<br />
Norman Howell: United Kingdom<br />
Dr Dec Downey (Past Chair): United Kingdom<br />
Executive Director, ISTT<br />
308 S. Lee Street<br />
Alexandria, VA 22314<br />
United States<br />
Tel: +1 (703) 299-8484<br />
Kyoko Kondo (Ms.)<br />
Membership Secretary ISTT<br />
3rd Nishimura Bldg.,<br />
2-11-18, Tomioka, Koto-ku,<br />
Tokyo 135-0047, Japan<br />
Tel: +81 (3) 5639 9970<br />
FAX: +81 (3) 5639 9975<br />
Registered Address:<br />
15 Belgrave Square<br />
LONDON, SW1X 8PS<br />
UK<br />
This pasT quarTer was filled with a<br />
number of activities involving the isTT and<br />
several affiliated societies. in total, there<br />
were six trenchless events – beginning<br />
with No-Dig poland <strong>2012</strong> in april, and<br />
ending with No-Dig Moscow <strong>2012</strong> in<br />
June. it is nice to see so much activity in<br />
various countries.<br />
i had the privilege of attending No-Dig<br />
poland <strong>2012</strong> hosted by the polish Foundation<br />
for <strong>Trenchless</strong> Technology (pFTT) in Kielce<br />
from 17–19 april. The event had over<br />
150 attendees and a dozen exhibitors.<br />
professor andrzej Kuliczkowski was<br />
an excellent host and brought several<br />
top-level administrators from the Kielce<br />
university of Technology to give welcome<br />
addresses during the opening ceremony.<br />
at the Gala Dinner, a number of individuals<br />
received expert statuettes. i was honoured<br />
to receive one of these beautiful statuettes<br />
from the pFTT and will certainly cherish this<br />
award. immediately after the conference,<br />
i had the pleasure of visiting the hobas<br />
plant in Dabrowa Gornicza. it was very<br />
informative as i had the opportunity to see<br />
firsthand the largest CC-Gpr pipe ever<br />
manufactured, which was used on the<br />
project that won the 2011 No-Dig project<br />
of the Year award for New installations.<br />
The <strong>16</strong> th iTTC hosted by the China<br />
society for <strong>Trenchless</strong> Technology (CsTT)<br />
was held in Zhengzhou from 20–22 april.<br />
There were 50 exhibitors and over 1,200<br />
visitors who attended the event, which<br />
had numerous domestic and international<br />
speakers. The CsTT held their reception<br />
Banquet where several awards were<br />
handed out to members. Once again, the<br />
CsTT put on an excellent show!<br />
i attended the No-Dig india <strong>2012</strong> summit<br />
from 14–15 May in Bangalore, india<br />
hosted by the isTT. Dr Dec Downey and i<br />
participated in a very successful masterclass<br />
training seminar attended by 120 people and<br />
10 sponsoring companies who exhibited.<br />
Westrade should be commended for the<br />
excellent job in organising this event for the<br />
isTT. We hope that this event will be the<br />
start of re-establishing an affiliated society<br />
in india. plans are already underway for<br />
another event in 2013.<br />
The Colombian institute for subterranean<br />
infrastructure Technologies and Techniques<br />
(CisTT) held the second Colombian and First<br />
andean and Central american Congress<br />
and exhibition of No-Dig Technologies and<br />
underground infrastructure in Cartagena<br />
from 17–18 May. i had the pleasure of<br />
attending this event and delivering the<br />
opening presentation. There were<br />
250 attendees and over a dozen exhibitors<br />
who participated in a technical program<br />
containing 26 presentations from both<br />
domestic and international presenters. This<br />
was a significant increase in attendance<br />
from the first event held in 2010. it is great<br />
to see so much enthusiasm in the south<br />
american region.<br />
i recently delivered the Keynote address<br />
at the <strong>2012</strong> underground infrastructure<br />
research (uir) international Conference<br />
from 5–6 June, hosted by the Centre for<br />
advancement of <strong>Trenchless</strong> Technology<br />
(CaTT) and Benjamin Media in Niagara<br />
Falls, Ontario Canada. The technical<br />
program consisted of 77 papers with<br />
presenters spread over several countries.<br />
Over 400 attendees and 50 exhibitors were<br />
present. The 14 th international <strong>Trenchless</strong><br />
Technology research Colloquium (iTTrC)<br />
was held prior to the uir Conference<br />
from 3–4 June. Dr Mark Knight from the<br />
university of Waterloo hosted the iTTrC,<br />
which attracted <strong>16</strong> research participants<br />
from europe and North america. The group<br />
worked on developing the framework for<br />
two papers related to research needs in<br />
pressure and gravity pipeline assessment,<br />
rehabilitation and installation.<br />
No-Dig Moscow <strong>2012</strong> was held from<br />
5–8 June in Moscow and was hosted<br />
by the russian society for <strong>Trenchless</strong><br />
Technology (rsTT). in addition to a large<br />
exhibition area, there was a technical<br />
program consisting of papers in three<br />
focus areas: 1) horizontal directional<br />
drilling; 2) rehabilitation and repair; and<br />
3) microtunnelling. Klaus Beyer from<br />
the German society for <strong>Trenchless</strong><br />
Technology (GsTT) delivered the welcome<br />
address on behalf of the isTT.<br />
We are busy getting prepared for<br />
<strong>Trenchless</strong> asia <strong>2012</strong> in singapore from<br />
2–4 <strong>July</strong>. This conference is co-located<br />
with the singapore international Water<br />
Week (siWW) and will be held in the<br />
beautiful Marina Bay sands hotel. siWW<br />
attracts thousands of attendees from<br />
all over the world. This is an excellent<br />
example of collaboration between<br />
the isTT and the international Water<br />
association (iWa).<br />
i hope that you are planning on attending<br />
the 30 th international No-Dig Conference<br />
and exhibition from 12–14 November<br />
in são paolo, Brazil. The associação<br />
Brasileira de Tecnologia não Destrutiva<br />
(aBraTT) has been busy in preparing the<br />
conference, which will feature excellent<br />
exhibits and a strong technical program. i<br />
look forward to another productive quarter<br />
in spreading the message of the benefits<br />
of trenchless technologies!<br />
FROM the ChAIRMAN’s desk<br />
<strong>July</strong> <strong>2012</strong> - <strong>Trenchless</strong> <strong>International</strong><br />
1
2<br />
Great Southern Press<br />
Pty Ltd<br />
query@trenchlessinternational.com<br />
www.trenchlessinternational.com<br />
Editor: Kate Pemberton<br />
Associate Editor: Sarah Paul<br />
Assistant Editor: Tori McLennon<br />
Journalist: Isabella Andres<br />
Sales Manager: Tim Thompson<br />
Senior Account Manager: Brett Thompson<br />
Sales Representative: David Entringer<br />
Acting Design Manager: Bianca Botter<br />
Senior Designers: Katrina Rolfe, Susie Monte<br />
Designers: Venysia Kurniawan, Ben Lazaro<br />
Publisher: Zelda Tupicoff<br />
United States<br />
(Sales)<br />
<strong>16</strong>360 Park Ten Place, Suite 109<br />
Houston, TX 77084<br />
Tel: +1 281 492 7272<br />
Fax: +1 713 521 9255<br />
Australia<br />
(Sales and subscriptions)<br />
GPO Box 4967<br />
Melbourne VIC 3001 Australia<br />
Tel: +61 39248 5100<br />
Fax: +61 3 9602 2708<br />
ISSN: 1836-3474<br />
This magazine is an official publication of the<br />
<strong>International</strong> Society for <strong>Trenchless</strong> Technology (ISTT)<br />
and is distributed free to members and other interested<br />
parties worldwide. It is also available on subscription.<br />
The publishers welcome editorial contributions from<br />
interested parties. However, neither the publishers nor<br />
the ISTT accept responsibility for the content of these<br />
contributions and the views contained therein which<br />
will not necessarily be the views of the publishers or<br />
the ISTT. Neither the publishers nor the ISTT accept<br />
responsibility for any claims made by advertisers.<br />
All communications should be directed to the publishers.<br />
Unless explicitly stated otherwise in writing, by providing<br />
editorial material to Great Southern Press (GSP),<br />
including text and images you are providing permission<br />
for that material to be subsequently used by GSP, whole<br />
or in part, edited or unchanged, alone or in combination<br />
with other material in any publication or format in print<br />
or online or howsoever distributed, whether produced<br />
by GSP and its agents and associates or another party to<br />
whom GSP has provided permission.<br />
ReGULARs<br />
From the Chairman’s Desk 1<br />
Executive Director’s Report 6<br />
About ISTT/Membership 62<br />
Contacts and Addresses of Affiliated Societies 62<br />
Upcoming Events 30<br />
Advertisers’ Index 64<br />
Subscription and Editorial Schedule 64<br />
News<br />
World wrap 8<br />
<strong>Trenchless</strong> <strong>International</strong> update 10<br />
Istt News<br />
SASTT visits Zandfontein Depot of Joburg Water 14<br />
ISTT outreach gathers momentum <strong>16</strong><br />
<strong>Trenchless</strong> experts head to Zhengzhou 17<br />
Finnish Society thinks laterally at IFAT 19<br />
wAteR FeAtURe<br />
Tough PE pipe materials ideal for installation 20<br />
CONFeReNCes<br />
Inaugural India No-Dig brings industry together 24<br />
ISTT sets sights on Brazil 25<br />
Fifth Jubilee proves popular in Poland 28<br />
An underground success 29<br />
An eventful year in France 30<br />
Celebrating trenchless in Colombia 31<br />
tURkey<br />
Under Turkey 32<br />
Water utilities in Turkey 34<br />
INspeCtION ANd<br />
CONdItION AssessMeNt<br />
Safety in the shaft 36
4<br />
<strong>IssUe</strong> <strong>16</strong> - <strong>July</strong> <strong>2012</strong><br />
In this issue | Turkey | US | South Korea | Germany | France | China | Brazil | Australia | Colombia<br />
Pipe Jacking and Microtunnelling<br />
Relining Tools<br />
Water<br />
The official magazine of the ISTT<br />
Rejuvenating<br />
an old Seoul<br />
<strong>July</strong> <strong>2012</strong><br />
Issue <strong>16</strong><br />
The cover shows blasting equipment removing old paint for<br />
completion of Phase 1 of the Seoul Metropolitan Multi-regional<br />
Water Supply System Rehabilitation Project, in South Korea. For<br />
a full project overview turn to page 54.<br />
MICROtUNNeLLING ANd pIpeJACkING<br />
The in and outs of pipe jacking 38<br />
Microtunnelling mapped for Marmara Sea 40<br />
Tunnelling success Down Under 42<br />
pROdUCts ANd seRvICes<br />
The short and tall of pipe rehabilitation 44<br />
pROJeCts<br />
A burst of inspiration in Germany 46<br />
INspeCtION ANd<br />
CONdItION AssessMeNt<br />
Working through the life cycle 48<br />
COMpANy News<br />
How to capture more customers<br />
with content marketing 50<br />
<strong>Trenchless</strong> online shop launched 52<br />
ReLINING tOOLs<br />
Rejuvenating an old Seoul 54<br />
ResINs<br />
Renovating pressure pipes using the<br />
CIPP process 58<br />
Istt esC pROFILe<br />
5 minutes with Gerda Hald 60<br />
Success story<br />
Russia<br />
Achievement:<br />
German Drilling Specialist DrillTec<br />
relied on mts tunnelling equipment to<br />
implement this complicated project in<br />
the Olympian town of Sochi, Russia.<br />
This impressive work was part of the<br />
effort to complete a section of the Blue<br />
Stream Mega Pipeline Project.<br />
An mts800S4 machine was used to<br />
drill a 2<strong>16</strong> m blind hole at an angle of<br />
13,9° (-24,747%) in complicated soil,<br />
consisting of mudstone, gravel and<br />
boulders. Furthermore DrillTec wished<br />
to recover all machine parts and<br />
equipment once the drilling had been<br />
completed, despite a missing target<br />
shaft.<br />
Client<br />
Project background<br />
Gazprom (Russia)<br />
Job site Sochi (Kudepsta)<br />
Main contractor StroyGasMontazh<br />
Subcontractor Max Streicher (DrillTec GUT GmbH)<br />
mts Perforator GmbH<br />
Am Heisterbusch 18a<br />
19246 Lüttow-Valluhn,<br />
Germany<br />
To achieve this, mts Perforator designed<br />
all parts to be retractable – even<br />
the heavy-duty mixed ground cutting<br />
wheel at the front. Only a steel sleeve<br />
was to remain in the ground, which<br />
helped to stabilise the hole for the HDD<br />
operation, which was to be launched<br />
from this tunnel.<br />
The high degree of professionalism<br />
in both the machine design and<br />
application made this challenging<br />
project to an outright success for<br />
the contractor and enabled a critical<br />
section of the Blue Stream Mega<br />
Pipeline Project to be completed.<br />
Tel.: +49-38851-3270<br />
Fax.: +49-38851-32710<br />
Internet: www.mts-p.de<br />
E-mail: info@mts-p.de<br />
Short facts<br />
Customer Max Streicher<br />
(DrillTec GUT GmbH)<br />
Machine mts800S4<br />
Max. torque 71,000 Nm<br />
Total drive length 2<strong>16</strong>,85 m<br />
Geology mudstone, gravel<br />
and boulders
exeCUtIve dIReCtOR’s RepORt<br />
<strong>July</strong> <strong>2012</strong> - <strong>Trenchless</strong> <strong>International</strong><br />
6<br />
John Hemphill<br />
Istt Executive Director<br />
@<br />
Follow us<br />
on Twitter<br />
@<strong>Trenchless</strong>Int<br />
If you juST read the headlines, <strong>2012</strong><br />
might be considered a difficult year,<br />
what with the weakness of the economy<br />
world-wide, political tensions in many<br />
regions of the world, and even a<br />
prophesy of the world coming to an end<br />
according to an ancient Mayan calendar.<br />
however, when it comes to the trenchless<br />
community, <strong>2012</strong> is shaping-up to be a<br />
pretty good year.<br />
at the mid-point of the year, it is<br />
worth assessing what we already have<br />
accomplished as a group and what the<br />
near-term outlook is for isTT and the<br />
member societies. During the first six months<br />
of <strong>2012</strong>, three new societies joined isTT<br />
and several more groups, recognising the<br />
benefits of associating with isTT have shown<br />
an interest in becoming members. For<br />
example, isTT executive sub Committee<br />
member sergio palazzo is taking the lead<br />
in working with the trenchless industry in<br />
argentina towards in the establishment a<br />
new society that would affiliate with isTT.<br />
in May, isTT held a very successful<br />
masterclass training seminar in india, which<br />
attracted approximately 120 attendees,<br />
who gave the masterclass high marks.<br />
Thirty-five of the attendees chose to<br />
become members of isTT. isTT is also a<br />
sponsor of <strong>Trenchless</strong> asia, to be held in<br />
singapore in early <strong>July</strong> in association with<br />
singapore Water Week. We plan to hold at<br />
least one more training seminar in <strong>2012</strong> or<br />
in early 2013.<br />
Throughout the year, many member<br />
societies have held or will be holding<br />
their own education and training programs.<br />
When possible, Chairman Dr sam<br />
ariaratnam, or other members of the isTT<br />
Board, attend and participate in these<br />
events. Thus far, Chairman Dr ariaratnam<br />
has participated in the annual conferences<br />
of North america (NasTT), poland (psTT)<br />
and Colombia (CisTT) and is scheduled to<br />
attend the Turkey society (TsiTT) No-Dig.<br />
in addition, Vice Chairman Derek Choi<br />
attended the China (CsTT) No-Dig and<br />
Board member Klaus Beyer of the German<br />
society represented isTT at the russia<br />
(rsTT) No-Dig. all isTT representatives<br />
have been extremely impressed with the<br />
technical quality of these seminars and<br />
the enthusiasm of those attending. These<br />
events are but a few of the many held by<br />
member societies. a full list of up-coming<br />
member society events is posted on<br />
the isTT website, www.istt.com, and in<br />
<strong>Trenchless</strong> <strong>International</strong> magazine. There<br />
may be an event near you that you would<br />
want to attend.<br />
isTT launched its new website at the<br />
beginning of the year. We have continued<br />
to make upgrades and improvements<br />
to enhance the site’s capacity to add<br />
value to isTT members and the trenchless<br />
community at large. The new website<br />
has many innovative features including a<br />
page that will show videos of trenchless<br />
technologies in action. These videos will<br />
be linked to the website’s <strong>Trenchless</strong><br />
Guidelines allowing viewers to move from<br />
the technical descriptions of a <strong>Trenchless</strong><br />
Technology to a video of the technology.<br />
Not visible to the casual visitor to the<br />
website is a new ‘back-end’, which allows<br />
an affiliated society to easily update its<br />
membership information at any time and<br />
to add information on upcoming society<br />
events. isTT secretary Kyoko Kondo<br />
has done a magnificent job in managing<br />
the development and implementation of<br />
this website membership database and<br />
events system.<br />
The highlight of <strong>2012</strong> will be the 31 st<br />
annual international No-Dig to be held in<br />
são paulo, Brazil on 12–14 November.<br />
isTT will present its annual awards at<br />
the event’s Gala Dinner. if you have an<br />
innovative project or product or are<br />
involved in academic research or a student<br />
of trenchless studies, apply for one of<br />
these awards.<br />
Finally, the isTT Board of Directors at<br />
the <strong>2012</strong> Board meeting to be held in são<br />
paulo will vote to add a new member to the<br />
executive sub Committee (esC). Members<br />
of the esC are nominated by member<br />
societies to serve as their representatives<br />
in the day-to-day oversight of the isTT.<br />
a list of nominees will be circulated to<br />
member societies in early October, with the<br />
election of the new member to be held at<br />
the Board meeting on 11 November <strong>2012</strong>.<br />
so there is reason for optimism. The<br />
trenchless industry continues to grow.<br />
users increasingly are becoming aware of<br />
the environmental and financial benefits of<br />
trenchless methods. <strong>2012</strong> should be a very<br />
good year for <strong>Trenchless</strong> Technology.<br />
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News<br />
<strong>July</strong> <strong>2012</strong> - <strong>Trenchless</strong> <strong>International</strong><br />
8<br />
world wrap<br />
Aqua-Pipe announce $uS19.58 million contract<br />
sanexen Environmental services was awarded a $Us19.58 million<br />
contract by the City of Montreal for the structural rehabilitation of<br />
approximately 60,000 ft of distribution watermains. Aqua-Pipe crews<br />
will structurally rehabilitate watermains in residential, commercial and<br />
industrial sectors in the city centre and in 15 of its boroughs. More<br />
on page 10.<br />
Record breaking in Mississippi<br />
In east Mississippi a 1,640 ft, 36 inch section<br />
of pipeline has been installed using HDD<br />
– the longest length of 36 inch pipe to be<br />
installed using the trenchless technology<br />
method. the record pull was completed<br />
as part of a 32 mile ductile iron pipeline,<br />
by American Ductile Iron Pipe, that will<br />
carry treated wastewater from Meridian<br />
in Mississippi, to a new industrial facility<br />
northeast of the city.<br />
Collapsed sewer under Reading<br />
A £2 million ($Us3 million) project to repair<br />
a collapsed sewer buried 8 m below a town<br />
centre road has commenced in Reading,<br />
UK. the work will involve building a new<br />
sewer pipe using trenchless technology,<br />
under Blagrave street and Forbury Road.<br />
thames Water is carrying out the project,<br />
which is expected to be complete by<br />
November <strong>2012</strong>.<br />
ISTT heads to Brazil<br />
From 12–14 November <strong>2012</strong>, the 30 th <strong>International</strong> society for trenchless technology (Istt)<br />
No-Dig conference will take place in são Paulo in Brazil. this is the first time the world’s<br />
largest trenchless technology event has been hosted in Brazil, and will be an opportunity<br />
for the latest in trenchless technology equipment and services to be presented to an<br />
international audience. see page 25 for more information.<br />
Istanbul gets microtunnelling<br />
Istanbul’s Metropolitan Water and sewerage Municipality has<br />
commenced three new microtunnelling projects that will provide<br />
turkey’s inland Marmara sea with better environmental protection.<br />
Construction works began in February <strong>2012</strong>, and it is expected<br />
that the projects will be completed in the first half of 2015, with an<br />
estimated cost totalling 43.5 million turkish Liras ($Us24.5 million).<br />
More on page 40.<br />
Rehab finishes on schedule for Cape Town<br />
the City of Cape town, south Africa, appointed three contractors to<br />
perform trenchless pipe rehabilitation in the Durbanville Hills, Welgemoed<br />
and Ridgeworth areas. the contracts commenced 26 March <strong>2012</strong>, and<br />
finished at the end of June <strong>2012</strong>.<br />
Keep up to date with this news and more by subscribing to the <strong>Trenchless</strong> <strong>International</strong> online update. www.trenchlessinternational.com<br />
Damaged pipe gives Bangkok<br />
authorities a sinking sensation<br />
the Bangkok Metropolitan Administration<br />
utilised CCtV and ground penetrating<br />
radar to inspect a sewage pipeline under<br />
the thai-Belgian Friendship Overpass on<br />
Bangkok's Rama IV Road after a 5 m<br />
diameter sinkhole occurred on the<br />
road. the Department of Public Works<br />
employed a ground penetrating radar<br />
(GPR) in combination with a robotic<br />
CCtV camera to check the cavity<br />
beneath the road.<br />
News<br />
<strong>July</strong> <strong>2012</strong> - <strong>Trenchless</strong> <strong>International</strong> 9
News<br />
<strong>July</strong> <strong>2012</strong> - <strong>Trenchless</strong> <strong>International</strong><br />
10<br />
CIpp for City of Montreal<br />
sanexen Environmental services was awarded a $Us19.58 million<br />
contract by the City of Montreal for the structural rehabilitation of<br />
approximately 60,000 ft of distribution watermains. Under the contract,<br />
Aqua-Pipe crews will be responsible for the structural rehabilitation<br />
of watermains located on approximately 75 streets in the residential,<br />
commercial and industrial sectors throughout the city centre and 15 of<br />
its 19 boroughs.<br />
In the last four years, the City of Montreal’s Water services<br />
Division has rehabilitated over 150,000 ft of small diameter distribution<br />
watermains with the use of Aqua-Pipe, a structural cured-in-place liner.<br />
Research program to improve sydney water’s<br />
wastewater network<br />
sydney Water is investing $Us22.2 million to fund five years<br />
of research into the best methods, models and tools to minimise<br />
concrete renewals for sydney's wastewater network. the Australian<br />
Research Council Linkage Program is funding $Us4.8 million toward<br />
the initiative, which is the largest Australian Research Council grant<br />
for water industry research.<br />
the project is designed to carry out research in all aspects of the<br />
corrosion process and emissions of odour.<br />
Japan establishes R&d centre in singapore<br />
the toshiba Corporation has established the Aqua Research Centre, the<br />
company’s first water treatment research and development centre located<br />
outside of Japan, at national water agency PUB’s WaterHub in singapore.<br />
Home to several renowned international and local water-related organisations,<br />
such as the singapore society for trenchless technology, Global Water<br />
Intelligence, <strong>International</strong> Water Association, and singapore Water Association.<br />
Uk pipes bursting for a makeover<br />
In Kirk Deighton, UK, more than 1 km of ageing pipe is being replaced by Yorkshire<br />
Water to reduce the risk of future pipe bursts. Engineering company Morrisons Utilities<br />
are replacing the 50-year-old pipe with a new plastic version.<br />
More than 10 km of pipe will be replaced and 6 km relined in Harrogate and<br />
Knaresborough, and in Ripon approximately 9 km will be replaced.<br />
the scheme is part of a wider £4 million program of works to ensure residents of<br />
Ripon, Harrogate and Knaresborough continue to receive quality drinking water.<br />
Can’t wait for the next edition of <strong>Trenchless</strong> <strong>International</strong>?<br />
Get the latest news at www.trenchlessinternational.com/news<br />
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<strong>July</strong> <strong>2012</strong> - <strong>Trenchless</strong> <strong>International</strong> News<br />
12<br />
hdd under the Colorado River<br />
A proposed Us pipeline project, titled the Kokopelli Phase II<br />
Natural Gas Pipeline and spruce Creek to Beaver Creek Water<br />
Pipelines, plans to utilise horizontal directional drilling and boring<br />
techniques for part of the pipe’s installation.<br />
the proposed new pipelines are needed because existing<br />
pipelines and gathering facilities are approaching maximum capacity<br />
and will be unable to adequately gather and transport the anticipated<br />
volumes of natural gas and water needed to provide continued<br />
support in the project area.<br />
AstM developing CIpp liner standard<br />
New Assistant editor for <strong>Trenchless</strong> <strong>International</strong><br />
<strong>Trenchless</strong> <strong>International</strong> has recently welcomed tori McLennon as Assistant<br />
Editor to the trenchless team, who will be based in Melbourne, Australia.<br />
tori has been with Great southern Press since the start of 2011, working<br />
on publications such as <strong>Trenchless</strong> Australasia, <strong>Trenchless</strong> <strong>International</strong> and<br />
Pipelines Plant and Offshore.<br />
tori is looking forward to meeting the international trenchless community,<br />
and hearing news and views from the industry. tori can be contacted on<br />
tmclennon@gs-press.com.au or +61 3 9248 5100.<br />
Kate Pemberton will continue to edit <strong>Trenchless</strong> <strong>International</strong> and sarah<br />
Paul, based in toronto, Ontario in Canada, remains the Associate Editor.<br />
A proposed American society for testing and Materials standard is<br />
currently being developed for single-sized cured-in-place liners. the<br />
proposed standard will apply to all shapes and types of manholes,<br />
wetwells, catch basins and similar structures.<br />
the practice for installing single-sized cured-in-place liners of varying<br />
sizes for manholes is under the jurisdiction of subcommittee F17.67 on<br />
trenchless plastic pipeline technology.<br />
Once it has been approved, AstM WK36573 will be useful to owners<br />
of buried utility systems such as municipal sewers, telecommunications,<br />
power and similar systems.<br />
First microtunnel sewage collector constructed in Baku<br />
Open joint stock company Azersu, Azerbaijan’s national water operator, has<br />
completed microtunnelling of a sewerage collector in sabail district, Azerbaijan.<br />
the work is part of ongoing development of the sewerage system of Baku, which<br />
will result in better environmental protection of Caspian sea. the 1,270 m tunnel<br />
will provide environmental security to newly constructed areas of Flag square and<br />
National seaside Park. treated water will be used for watering the grounds and<br />
newly planted greenery.<br />
Can’t wait for the next edition of <strong>Trenchless</strong> <strong>International</strong>?<br />
Get the latest news at www.trenchlessinternational.com/news
Istt News<br />
<strong>July</strong> <strong>2012</strong> - <strong>Trenchless</strong> <strong>International</strong><br />
14<br />
sAstt visits Zandfontein<br />
depot of Joburg water<br />
As part of the South African Society for <strong>Trenchless</strong> Technology’s 20 th anniversary celebrations, the<br />
Society attended its first site visit in many years. On 28 February <strong>2012</strong>, the Zandfontein Depot of<br />
Johannesburg Water parking lot was crowded with excited society members shaking the hands of<br />
industry friends they had not seen for over a year.<br />
The evenT BeGAn with a brief<br />
presentation about the trenchless<br />
rehabilitation and upsizing of two trunk<br />
sewer lines in Alexandra. the project<br />
posed many challenges due to the extreme<br />
density of residential houses and informal<br />
dwellings in the project area. For example,<br />
inside one informal dwelling, an occupant<br />
was asked if he knew where the sewer<br />
manhole in that area was. the occupant<br />
said that he did and proceeded to move<br />
his bed and pointed to the manhole cover,<br />
which made up part of the floor of his<br />
house. In some instances, parts of informal<br />
dwellings had to be demolished and rebuilt<br />
after the rehabilitation of the sewer had<br />
been completed.<br />
After the presentation, the group boarded<br />
a touring bus for a ride through Alexandra<br />
in order to see the sites in real life. Although<br />
the trenchless rehabilitation posed many<br />
challenges, it was evident when viewing<br />
the project sites how disruptive the use<br />
of open-cut trenching would have been<br />
to those living in the area. the audience<br />
expressed its appreciation for the site visit,<br />
which had been arranged and sponsored<br />
by Insitu-Pipelines Pty Ltd.<br />
Awarding innovation in irrigation<br />
installation<br />
Meanwhile, the south African society<br />
for trenchless technology 2011 Award<br />
of Excellence has been awarded to an<br />
innovative irrigation pipeline project in<br />
the City of Capetown. the City identified<br />
the need for an irrigation supply for the<br />
Rob van Vuuren of Insitu-Pipelines, Tim Pollard of BKS and Zamokuhle Chauke of the City of Cape<br />
Town receiving the Award of Excellence from former SASTT president Andries Lötz.<br />
Green Point Common neighbourhood,<br />
which covers an area of 86 hectares and<br />
incorporates the Cape town stadium. the<br />
natural spring below table Mountain, which<br />
had been used to irrigate the Company<br />
Gardens many years ago, was cited as a<br />
potential supply source.<br />
In order to utilise the spring, a<br />
350 mm pipeline of 5.2 km would need to<br />
be built through the heavily built-up city. the<br />
Although the trenchless rehabilitation posed many challenges,<br />
it was evident when viewing the project sites how disruptive<br />
the use of open-cut trenching would have been to those living<br />
in the area.<br />
3.5 km upper stretch of pipeline was<br />
created by mainly trenchless means in<br />
order to minimise disruption to the very<br />
narrow roadways.<br />
In planning the route, the City located<br />
disused pipes that could be renovated<br />
with pipe cracking and sliplining. In total<br />
2.3 km of old water reticulation pipes<br />
were found and inspected by CCtV<br />
surveys, which were then rehabilitated by<br />
trenchless means.<br />
Directional drilling was used to lay 130 m<br />
of pipe, and 1 km was laid by using open<br />
trench. Care was taken to avoid social<br />
and environmental disruption, this was in<br />
large-part due to the installation taking<br />
place at the time of the 2010 soccer<br />
World Cup. Additionally, the route traversed<br />
numerous heritage sites which crews took<br />
great care to preserve.
Istt News<br />
<strong>July</strong> <strong>2012</strong> - <strong>Trenchless</strong> <strong>International</strong><br />
<strong>16</strong><br />
Istt outreach gathers<br />
momentum<br />
The ISTT’s outreach program is continually drawing more international associations together for the<br />
exchange of international knowledge with Argentina working with the ISTT to establish an Affiliated Society.<br />
In The LAST edition of <strong>Trenchless</strong><br />
<strong>International</strong>, the Istt was pleased to<br />
announce the establishment of three new<br />
societies – Romania (Rostt), United<br />
Arab Emirates (UAEstt) and south<br />
Europe (sEstt). the south European<br />
society consists of Bosnia, Herzegovina,<br />
Croatia, Macedonia, Montenegro, serbia<br />
and slovenia. In this edition the Istt is<br />
now pleased to report that Istt Executive<br />
subcommittee member sergio Palazzo<br />
is working with the trenchless industry<br />
in Argentina towards establishing a new<br />
society that would affiliate with Istt.<br />
the Istt’s 2011–2013 Strategic<br />
Operating Plan contains three operational<br />
elements: (1) trenchless Education and<br />
training; (2) trenchless Information; and (3)<br />
trenchless Outreach. the Istt’s Outreach<br />
activities support Affiliated societies,<br />
potential members, and the industry at<br />
large. Once a society becomes affiliated<br />
with the Istt, they then benefit from the<br />
shared knowledge, training, and trenchless<br />
events the Istt co-ordinates to strengthen<br />
the industry.<br />
One of the most important events the<br />
Istt delivers, bringing the industry together,<br />
Representative from the newly established SgSTT and ISTT Chairman Dr Sam Ariaratnam at<br />
Singapore <strong>International</strong> Water Week 2010.<br />
ABRATT Chairman Paulo Dequech and ESC representative and ABRATT member Sergio Palazzo.<br />
is the Annual Istt Awards – a long-standing<br />
program that recognises outstanding<br />
achievements in the trenchless industry.<br />
the Istt also recognises individuals in<br />
the trenchless community for their lifetime<br />
contribution to trenchless. this year’s Istt<br />
awards will be presented at the <strong>2012</strong> Istt<br />
No-Dig, to be held in são Paulo, Brazil. turn<br />
to page 25 for more information.<br />
A strategic component of the education<br />
and training mission of Istt is the sharing<br />
of information. While not everyone has<br />
access to, or can participate in, the training<br />
seminars and courses offered by the<br />
Istt, the <strong>International</strong> society uses other<br />
communication media to inform the public<br />
about the benefits of trenchless technologies.<br />
<strong>Trenchless</strong> <strong>International</strong> magazine –<br />
the official magazine of Istt – reports<br />
on the activities of Affiliated societies<br />
and of Istt. If your society would like<br />
to have their events or achievements<br />
covered in <strong>Trenchless</strong> <strong>International</strong>,<br />
send your articles and photos through to<br />
news@trenchlessinternational.com<br />
the Istt also has a large library of<br />
technical papers covering all aspects of<br />
trenchless technology, which are available<br />
to members and the public at large. the Istt<br />
website allows for an opportunity to extend<br />
its outreach program to individuals who<br />
cannot participate in Istt’s training courses<br />
and seminars. to find out more information<br />
about the Istt’s outreach program, visit<br />
www.istt.com/programs-and-activities<br />
TSITT Chairman Yasin Torun and Dr Dec<br />
Downey; ISTT welcomes TSITT as an Affiliated<br />
Society in 2010.<br />
trenchless experts<br />
head to Zhengzhou<br />
The Chinese Society for <strong>Trenchless</strong> Technology <strong>2012</strong> <strong>International</strong> <strong>Trenchless</strong> Technology Conference<br />
and Exhibition was held in China’s Zhengzhou <strong>International</strong> Convention and Exhibition Centre, from<br />
20–22 April, with great success, bringing over 300 industry representatives from across the globe to the<br />
conference and approximately 1,200 visitors to the exhibition.<br />
MAny DISTInGuISheD GueSTS<br />
attended the Grand Opening ribbon cutting<br />
ceremony, including Chinese society for<br />
trenchless technology (Cstt) Chairman,<br />
and Previous Deputy secretary of China<br />
Geological survey, Professor Wang Da,<br />
Cstt Deputy Chairman Professor Yan<br />
Chunwen, Japan society for trenchless<br />
technology Deputy Chairman Professor<br />
Kusuta tetsuya, and <strong>International</strong> science<br />
and technology Co-operation Department<br />
technology Councillor Liu Yuanwen.<br />
Istt Chairman Dr samuel Ariaratnam<br />
and Istt Vice Chairman Derek Choi sent<br />
congratulatory letters to the conference<br />
in their absence as they could not attend<br />
in person.<br />
Over the course of the threeday<br />
exhibition, more than<br />
80 per cent of the exhibitors<br />
signed purchasing and selling<br />
agreements.<br />
exchanging knowledge globally<br />
the three keynote addresses, presented<br />
by international experts, were of particular<br />
interest to the delegates, and generated<br />
engaged discussions. the three addresses<br />
were ‘Introduction on Global trenchless<br />
Industry 2011’, presented by China<br />
University of Geosciences Professor Wu<br />
Xiaoming; ‘Introduction on trenchless<br />
technology’, presented by Professor<br />
Professor Kusuda presenting his keynote speech at the <strong>International</strong> <strong>Trenchless</strong> Technology<br />
Conference and Exhibition.<br />
Istt News<br />
<strong>July</strong> <strong>2012</strong> - <strong>Trenchless</strong> <strong>International</strong> 17
Istt News<br />
<strong>July</strong> <strong>2012</strong> - <strong>Trenchless</strong> <strong>International</strong><br />
18<br />
Chunwen; and ‘Prospects of Japanese<br />
trenchless technology’, presented by<br />
Professor tetsuya.<br />
seminars on trenchless technology use<br />
in metropolitan development instigated<br />
an exchange of ideas between industry<br />
experts. the seminars were themed ‘Henan<br />
Provincial Metro Construction technology’<br />
and ‘Watching sea in the Metropolis –<br />
Municipal Pipelines Reconstruction’.<br />
A seminar was also presented by design<br />
engineers and construction workers<br />
from Zhengzhou Municipal Railway<br />
transportation that looked in-depth at<br />
the techniques and latest products used<br />
in metro construction. After the seminar,<br />
attendees were given the opportunity to<br />
inspect Zhenzhou metro construction sites.<br />
the Institute of Exploration techniques<br />
Professor Zhang Yachun discussed the<br />
issue of urban waterlogging in a report<br />
entitled ‘Rain and sewage Diversion<br />
to Address the Urban Waterlogging in<br />
Langfang’. Ultraliner technology Vice<br />
President and Chief Researcher Dr Zhao<br />
Wei also tackled this issue in his report<br />
‘How to Use trenchless Pipeline Repair<br />
technology to Address Urban Waterlogging<br />
– Analysis and Discussions on Home/<br />
Abroad Experiences’, which attendees<br />
found both useful and informative.<br />
the conference featured three sessions<br />
for technical reports, with a wide array of<br />
technical seminars. A number of renowned<br />
companies presented case studies and<br />
information on their technological strengths,<br />
and products, including Henan Zhong<br />
tuo Petroleum Engineering technology,<br />
Borouge, Xiamen Xin Yong tong trenchless<br />
Engineering technology, Xuzhou Xugong<br />
Foundation Construction Machinery, Beijing<br />
Long Ke Xing trenchless Engineering, and<br />
Jiangsu shi Fang Engineering Equipment.<br />
the topics ranged from pipeline repair,<br />
implementations of novel materials,<br />
construction case-studies of rig products,<br />
and risk control in engineering.<br />
A world-class exhibition<br />
this year’s exhibition drew interest from<br />
80 exhibitors, which was narrowed down<br />
after careful selection to approximately 50<br />
companies. Among these, 13 companies<br />
made their debut at the conference. Over<br />
half of the companies brought along their<br />
products to showcase, with a number<br />
Distinguished guests attending the Opening Ceremony.<br />
performing onsite demonstrations. Domestic<br />
equipment was a great draw-card for<br />
foreign equipment specialists from America,<br />
Japan, Russia, India, and Malaysia. Over<br />
the course of the three-day exhibition, more<br />
than 80 per cent of the exhibitors signed<br />
purchasing and selling agreements.<br />
Recognising the best in the field<br />
the <strong>2012</strong> <strong>International</strong> trenchless<br />
technology Conference (IttC) marked<br />
the <strong>16</strong> th successful year of the conference.<br />
the IttC held a reception banquet,<br />
titled Xugong Night, to honour the<br />
achievements of projects and people<br />
in the trenchless industry. trenchless<br />
Engineering technology Xiamen Xin Yong<br />
tong General Manager Chen Yong was<br />
awarded the Honourable Certificate.<br />
The CSTT’s outstanding efforts in making the technology<br />
conference and exhibition a world-class event were rewarded<br />
with the overall success of the event, and the conference’s<br />
achievements indicates great promise for the future of<br />
<strong>Trenchless</strong> Technology.<br />
the Excellent Product, Engineering<br />
and technology of 2011 Award went<br />
to several recipients, including: Qingdao<br />
WorldCom Construction Engineering;<br />
Henan Zhong tuo Petroleum Engineering<br />
technology; shanghai Hua Qun Industrial<br />
Incorporated; shaoxing Pan Ji Pipe<br />
Engineering; Langfang Municipal Facilities<br />
Management Department; shenzhen<br />
Zuan tong Engineering Machinery;<br />
Xuzhou Xugong Foundation Construction<br />
Machinery; and Beijing Long Ke Xing<br />
trenchless Engineering.<br />
the Annual General Council Meeting<br />
of Cstt was also held at the event.<br />
Committee members listened to the 2011<br />
Debriefing Report, the <strong>2012</strong> Work Plan<br />
Report and the 2011 Financial Report,<br />
which was delivered by Cstt secretary<br />
Zhu Wenjian. Council members also<br />
submitted anonymous votes for several<br />
awards, including Person of the Year 2011.<br />
the Cstt’s outstanding efforts in<br />
making the technology conference and<br />
exhibition a world-class event were<br />
rewarded with the overall success of the<br />
event, and the conference’s achievements<br />
indicates great promise for the future of<br />
trenchless technology.<br />
Finnish society thinks<br />
laterally at IFAt<br />
In May, 22 members of the Finnish Society for <strong>Trenchless</strong> Technology visited the <strong>2012</strong> IFAT Fair in<br />
Munich, Germany. The members, who came from a variety of backgrounds, including employees from<br />
water utilities, trenches consultants and contractors, attended the three-day conference.<br />
The MeMBeRS of the Finnish society for<br />
trenchless technology (Fistt) attended<br />
a series of educational lectures during<br />
the course of the conference. the Fistt<br />
attended four lectures in Finland on the first<br />
day, and on the second day attended three<br />
lectures in Munich. Of particular interest to<br />
the society were the international lectures<br />
on house laterals. According to the Fistt,<br />
house laterals are a difficult subject for<br />
those in the Finnish water industry, and<br />
the legislation surrounding them is often<br />
unclear. Additionally, the society says<br />
proper maintenance and management of<br />
house laterals is often overlooked. From<br />
listening to international speakers at the<br />
conference, the Fistt wanted to learn<br />
how other countries tackle the issues<br />
associated with house laterals, and take<br />
from the lectures learnings and new<br />
ideas on house lateral maintenance.<br />
the Finnish lectures talked about CCtV<br />
inspections on sewers, Finnish legislation on<br />
housepipes, and how water utilities install<br />
and renovate housepipes.<br />
the first international lecturer was Ian<br />
Ramsey from the United Kingdom society<br />
for trenchless technology, who spoke<br />
about house laterals in Great Britain. His<br />
presentation outlined how legislation has<br />
changed in Britain, resulting in water utilities<br />
taking ownership over house laterals.<br />
His presentation outlined how changing<br />
legislation has complicated the situation in<br />
the UK, leading to a predicament where<br />
utilities only have control and ownership<br />
over half of the lateral.<br />
the second international lecturer was<br />
Astrid Hanzen from the German society for<br />
trenchless technology, who spoke about<br />
the maintenance and politics of house laterals<br />
in Germany. Her presentation stated that<br />
legislation on laterals varies between the<br />
different federal states, with only three states<br />
active in maintaining laterals.<br />
Fistt learned that legislation surrounding<br />
house laterals also challenges water<br />
authorities and trenchless workers throughout<br />
Germany and the UK, and the issue is not<br />
unique to Finland. From listening to the<br />
international speakers the society was able to<br />
gather many new ideas on how the situation<br />
could be approached and improved upon in<br />
Finland. It was also a great cultural experience<br />
for the Fistt, who visited the Munich town,<br />
tasted German asparagus and wheat beer,<br />
and went to see the Allianz Arena.<br />
Fistt arranges education annual events<br />
to promote No-Dig. Fistt has 45 member<br />
companies across Finland.<br />
Istt News<br />
<strong>July</strong> <strong>2012</strong> - <strong>Trenchless</strong> <strong>International</strong> 19
wAteR FeAtURe<br />
<strong>July</strong> <strong>2012</strong> - <strong>Trenchless</strong> <strong>International</strong><br />
20<br />
PE pipe is attractive from an economic and environmental viewpoint.<br />
tough pe pipe materials<br />
ideal for installation<br />
By Andrew Wedgner and David Walton, Borouge<br />
Polyethylene pipes have long been used to renovate ageing pipeline networks to reduce gas and water<br />
leakage levels and to install new systems. In combination with trenchless installation methods, a new<br />
pipeline can be installed at a low cost without disturbing city flow or damaging the environment. Here<br />
Borouge details three innovative case studies.<br />
WhILe PoLyeThyLene (Pe) pipe<br />
is attractive from an economic and<br />
environmental viewpoint, trenchless<br />
installation methods can be demanding<br />
on the pipe, as gouges and scores to<br />
the outside surface of the pipe during<br />
installation can develop into cracks.<br />
In response, polymer suppliers have<br />
developed high stress crack resistant<br />
(HsCR) PE100 materials that are able<br />
to cope with surface damage without<br />
cracking. the stress crack resistance of<br />
the pipe is at least 20 times the minimum<br />
value specified in international standards,<br />
and gives engineers the confidence to<br />
specify PE pipes in the most difficult<br />
installation circumstances.<br />
hDD in new Zealand<br />
In Auckland, New Zealand, a 1 km<br />
section of a watermain travelling from<br />
Waitakere Water treatment Plant to<br />
tram Valley Road needed to be installed<br />
under a native forest park using horizontal<br />
directional drilling (HDD).<br />
these areas of native forest are protected<br />
by the New Zealand government thus<br />
normal open cut installation was not<br />
The stress crack resistance of the pipe is at least 20 times<br />
the minimum value specified in international standards, and<br />
gives engineers the confidence to specify PE pipes in the most<br />
difficult installation circumstances.<br />
permitted. Engineers from water supply<br />
company Watercare services specified that<br />
HsCR PE100 pipe material should be used,<br />
as they were concerned about the difficult<br />
installation conditions.<br />
For the project, 850 x 70.8 mm PE100<br />
pipe was manufactured by tyco New<br />
Zealand in their Hamilton plant in 6 m lengths<br />
using Borsafe HE3490-Ls-H. the pipe<br />
was butt welded to form two 500 m pipe<br />
strings onsite, and externally de-beaded<br />
before installation.<br />
Drilling contractors Central Drilling were<br />
presented with a number of challenges<br />
by the difficult soil conditions beneath the<br />
forest, however, in late October 2011 all<br />
was ready to pull through the polyethylene<br />
watermain. this final stage went without<br />
a hitch and the new main would soon<br />
provide bulk water for the distribution<br />
companies to supply to their customers in<br />
greater Auckland.
wAteR FeAtURe<br />
<strong>July</strong> <strong>2012</strong> - <strong>Trenchless</strong> <strong>International</strong><br />
22<br />
To ensure that the durability of<br />
the system was maintained,<br />
BorSafe HE3490-LS-H PE100<br />
material from Borouge was<br />
used by Jiangyin David Plastics<br />
to manufacture the pipe.<br />
Lining the leaking water mains in<br />
Shanghai<br />
shanghai’s population is growing fast,<br />
and consequently tremendous strain is<br />
put on their water services. While water<br />
companies have worked hard to keep<br />
up with demand by installing many new<br />
watermains, most of the system is still made<br />
up of cast iron and steel pipes, which readily<br />
corrode in shanghai’s acidic water. this<br />
affects the turbidity and the colour of the<br />
water supplied.<br />
Recently, the China Urban Water<br />
Association organised a one day seminar in<br />
shanghai to discuss the different technical<br />
solutions available to renovate and replace<br />
old pipelines. On the following day the<br />
delegates were invited to a project by the<br />
shanghai Fengxian Waterworks Company,<br />
who used swagelining technology to<br />
renovate 270 m of corroded steel watermain<br />
under a wooded area of the city.<br />
A 300 mm diameter PE100 pipe was<br />
pulled through a die that reduced its<br />
diameter, enabling it to enter the old main.<br />
Once in position the load was released and<br />
the pipe expanded to form a close fit with<br />
the ageing host main. to ensure that the<br />
durability of the system was maintained,<br />
Borsafe HE3490-Ls-H PE100 material<br />
from Borouge was used by Jiangyin David<br />
Plastics to manufacture the pipe.<br />
Pipelining in the Middle east<br />
the Daleel Petroleum Company produces<br />
oil in the sultanate of Oman, approximately<br />
300 km west of the city of Muscat. Like<br />
most oil companies, they recycle process<br />
water and then inject it back into the well to<br />
increase oil production.<br />
As the wells increase in age, the level of<br />
hydrogen sulphide and other contaminates<br />
in the process water also increases, which<br />
in turn leads to rapid corrosion of the steel<br />
pipes. One alternative to replacing these<br />
pipes is to use close-fit internal lining made<br />
from PE, which will extend the life of both<br />
old and new pipelines.<br />
For a recent project, 30 km of 8 inch<br />
diameter steel water injection pipe was<br />
lined by United Pipeline Middle East using<br />
the company’s tite Liner technology. to<br />
ensure that the optimum lifetime was<br />
PE pipes can provide high durability solutions.<br />
achieved the PE100 pipes were produced<br />
from Borsafe HE3490-Ls-H high stress<br />
crack resistant material by local pipe<br />
manufacturer Muna Noor Manufacturing in<br />
their Muscat plant.<br />
the individual pipe lengths were welded<br />
into strings that were then drawn through<br />
United’s hydraulically powered roller<br />
reduction box, which temporarily reduced<br />
the diameter of the pipe. the PE pipe was<br />
then easily pulled through the steel pipe,<br />
and once in position the load was released<br />
so the pipe could recover and form a tight<br />
compression fit with the bore of the host<br />
pipe protecting it from any future corrosion.<br />
Confidence with Pe pipes<br />
In response to surface damage that<br />
can come about using modern trenchless<br />
technology, polymer suppliers have<br />
produced a range of HsCR PE100<br />
materials to cope with tough conditions<br />
without cracking. these materials provide<br />
engineers with the confidence to specify PE<br />
pipes in very difficult installation situations<br />
and provide high durability solutions.<br />
Conference and Exhibition<br />
23 – 26 April 2013<br />
Berlin Exhibition Grounds<br />
www.nodigberlin2013.com<br />
Organisers: Supportet by:<br />
Sponsors: Gold: Bronze:<br />
Special Supporter national Societies of ISTT:<br />
Australia<br />
New Zealand<br />
in conjunction with<br />
Messe Berlin GmbH · Messedamm 22 · 14055 Berlin · Germany · www.messe-berlin.de · www.gstt.de<br />
Austria Brazil Bulgaria Hong Kong Colombian China Czech<br />
Republic<br />
Finland France Spain<br />
Portugal<br />
Italy Japan Netherlands USA<br />
Canada<br />
Mexico<br />
Poland<br />
Russian<br />
Federation<br />
South<br />
Africa<br />
Turkey Ukraine United<br />
Kingdom
CONFeReNCes<br />
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Inaugural India No-dig<br />
brings industry together<br />
The ISTT's inaugural No-Dig India Summit <strong>2012</strong>, held in Bangalore from 14–15 May, was attended by<br />
more than 100 delegates from cities across India, including senior government officers, contractors and<br />
consultants.<br />
The MAIn ATTRACTIon of the twoday<br />
summit was the Istt trenchless<br />
Masterclass presented by Istt Chairman<br />
Dr samuel Ariaratnam and Past Chairman<br />
Dr Dec Downey. the international experts<br />
delivered four in-depth, educational modules<br />
that highlighted the main technologies and<br />
techniques used in the industry today.<br />
the program was complemented by<br />
case study presentations from a number<br />
of industry suppliers, who recounted their<br />
experiences using trenchless technologies<br />
in a variety of geological conditions both in<br />
India and across the globe.<br />
the exhibition area, featuring ten key<br />
international organisations, provided a lively<br />
backdrop for delegates to network and<br />
to gather information and knowledge on<br />
some of the key techniques and equipment<br />
utilised in trenchless technology. Delegates<br />
showed a high level of interest in the<br />
products on display, and exhibitors are<br />
confident that business will be forthcoming<br />
as a result of contacts they made.<br />
Delegates in the exhibition area.<br />
At the close of the event, Dr Ariaratnam<br />
commented “Immediate feedback would<br />
suggest that the two-day summit has been<br />
a rewarding experience for attendees.<br />
For Istt’s part, this was an excellent<br />
opportunity to meet local engineers<br />
and to have the opportunity of sharing<br />
information on the technologies available,<br />
Delegates engaging in a presentation.<br />
to discuss the challenges encountered<br />
and also to present some solutions.”<br />
Istt’s educational program will be<br />
featured next in <strong>July</strong> at trenchless Asia in<br />
singapore and at the <strong>International</strong> No-Dig in<br />
Brazil, to be held in November. the No-Dig<br />
India summit is likely to return to India<br />
in 2013.<br />
Istt sets<br />
sights on Brazil<br />
From 12–14 November <strong>2012</strong>, industry professionals from around the world will come together for the<br />
30 th <strong>International</strong> No–Dig conference, to be held in São Paulo, Brazil – a country instigating many major<br />
infrastructure projects.<br />
The <strong>2012</strong> ConfeRenCe and exhibition<br />
will mark the first time the Istt’s annual<br />
event has been hosted in Brazil. With recent<br />
investments in infrastructure that is growing<br />
and transforming the country, it is clear why<br />
the Istt chose Brazil to host the largest<br />
and most prestigious trenchless event of<br />
the year.<br />
In the coming years, funds from the Brazilian<br />
government initiated Growth Acceleration<br />
Program will be used to prepare the country<br />
for hosting both the 2014 soccer World<br />
Cup and the 20<strong>16</strong> Olympic Games. Funds<br />
have been secured for the modernisation<br />
of housing, sanitation, transport, energy,<br />
and the transportation sector.<br />
President of the Brazil Association for<br />
trenchless technology (ABRAtt) Paulo<br />
Dequech says “trenchless technologies are<br />
the only option for building and increasing<br />
the underground networks in the country,<br />
and this event will solidify this technology<br />
here in Brazil.”<br />
Centre of excellence...<br />
www.no-dig.dk e-mail. no-dig@no-dig.dk YouTube channel: ulrich2761<br />
Untitled-1 1 30/05/12 15.26<br />
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A trenchless town<br />
the main theme of the event will be<br />
‘trenchless town’, focusing on ways to<br />
install and renew underground services<br />
without trenching in urban centres.<br />
the event will present the Brazilian<br />
engineering community with the latest<br />
technology in No-Dig equipment and<br />
services available worldwide, as well as<br />
provide exhibitors and utility delegates<br />
the chance to showcase major projects<br />
and issues creating discussion in the<br />
trenchless sector.<br />
Conference papers will be presented on:<br />
• Pipe installation with horizontal directional<br />
drilling (HDD)<br />
• Rehabilitation and replacement networks<br />
• Pipe bursting applications<br />
• Geothecnical analysis<br />
• soil investigations and inspection<br />
• Microtunnelling and pipe jacking<br />
• Asset management<br />
• Leak management<br />
• Cost reduction and environmental impact<br />
• Work safety, law regulations and civil<br />
liability<br />
• New applications of trenchless technologies<br />
• Public investment programs.<br />
A growing trenchless nation<br />
the Brazilian market for No-Dig projects is<br />
currently expanding. the technology arrived<br />
in the country in the early 1990s, mainly due<br />
to the installation of fiber optical networks<br />
under urban centres, highways and railways.<br />
there is significant projected growth in the<br />
trenchless sector in the coming years. Many<br />
companies are currently being established<br />
in the trenchless industry, working in sectors<br />
such as transport, gas, communications,<br />
electrical networks, and sanitation.<br />
Mr Dequech says “Our demand for<br />
infrastructure, due to two world sporting<br />
events – the 2014 World Cup and 20<strong>16</strong><br />
Olympics – is attracting the attention of<br />
foreign companies to Brazil.”<br />
Mr Dequech says many new businesses<br />
are establishing themselves to take on<br />
these projects. While already established<br />
businesses are working to build partnerships<br />
and consolidate the presence they’ve held<br />
since the 1990s.<br />
According to ABRAtt, the trenchless<br />
sector has grown 30 per cent over the<br />
past two years. In <strong>2012</strong>, $Us150 million<br />
has been planned for gas infrastructure,<br />
$Us200 million for sanitation works<br />
Rigs installing critical infrastructure in Brazil.<br />
(state companies, municipal and private),<br />
and $Us50 million for fiber optical<br />
(telecommunications) networks.<br />
this infrastructure overhaul today<br />
generates more than 10,000 direct and<br />
<strong>2012</strong> ISTT AWARDS oPen<br />
The <strong>2012</strong> ISTT No-Dig Awards will be presented at the <strong>International</strong> No-Dig Conference and Exhibition, to be<br />
held in São Paulo, Brazil 12-14 November. Submit your entry now!<br />
The closing date for entries is 31 August <strong>2012</strong>. Entries should be submitted to ISTT at info@istt.com<br />
Award Rules and Application details can be found on the ISTT website at<br />
www.istt.com/award-rules-applications<br />
Awards may be made for work completed during 2011–12 in four categories, as follows:<br />
• Academic research or training aid/course<br />
• <strong>Trenchless</strong> project completed<br />
• New machine, tool, material, system or technique introduced<br />
• Student or young professional paper – members regularly enrolled in college or university, or spending at<br />
least half their time on academic coursework.<br />
All award winners will be:<br />
• Recognised at the conference and presented an award<br />
• Featured in an article in <strong>Trenchless</strong> <strong>International</strong><br />
• Added to the published list of ISTT award winner role of honour posted on the ISTT website<br />
• Authorised to use the ISTT logo on promotional material related to the award activity or recipients.<br />
In addition, the winner may be afforded an opportunity to make a brief presentation on the activity that<br />
received the award at the conference, time and schedule permitting.<br />
The student award winner will receive a small cash award and limited financial travel assistance to attend the<br />
conference.<br />
Affiliated Societies must endorse all awards submitted from their country.<br />
To find out more on the ISTT <strong>2012</strong> No-Dig São Paulo event, visit: www.nodigsaopaulo<strong>2012</strong>.com.br<br />
indirect jobs, is composed of more than<br />
150 companies, and has seen investments<br />
totalling $Us80 million in the last ten years.<br />
no-Dig <strong>International</strong> <strong>2012</strong> São<br />
Paulo<br />
For the past 13 years, ABRAtt’s main<br />
goal has been to make an important<br />
contribution to the Brazilian technical<br />
community by bringing equipment and<br />
technology updates to those working in<br />
new installations or rehabilitation.<br />
For this reason, since 2000, ABRAtt has<br />
hosted five national No-Dig conferences,<br />
and in 2008 and 2010 presented Latin<br />
American international events that were<br />
promoted by Istt.<br />
Mr Dequech says “the significant success<br />
at local events has qualified Brazil for the<br />
first time to host the Istt’s <strong>International</strong><br />
No-Dig.”<br />
For a more in-depth look<br />
at trenchless industry for<br />
Brazil make sure to pick up<br />
the October edition of<br />
<strong>Trenchless</strong> <strong>International</strong>.<br />
The exhIBIToR LIST InCLuDeS:<br />
Ditch Witch<br />
DrillTo<br />
FERNCO<br />
Intech<br />
Mapsolo<br />
MC Elroy<br />
MI Swaco<br />
MND<br />
O-Tek<br />
Pegmatech<br />
Polierg<br />
Romtec<br />
Sanit<br />
Silcon Drilling<br />
Sobratema<br />
Sondeq<br />
System Mud<br />
Vermeer<br />
PETROBRAS<br />
AARSLEFF<br />
AKKERMAN<br />
Herrenknecht<br />
HOBAS<br />
To find out more about the exhibition and floor plan visit www.nodigsaopaulo<strong>2012</strong>.com.br/<br />
IDS<br />
VMRT<br />
CHANNELINE<br />
PURE TECHNOLOGIES<br />
VE GROUP<br />
GSTT pavilion<br />
CSTT pavilion<br />
DOWN 2 EARTH<br />
Hard Metal<br />
Scanprobe<br />
ABRATT/ISTT<br />
<strong>Trenchless</strong> <strong>International</strong> Magazine<br />
Agru Technology<br />
American Auger<br />
HDD Brooker<br />
Aesabesp<br />
Hammer Head<br />
Polidrill<br />
Hammer Head<br />
Perma-Liner<br />
Colli Equipment SRL<br />
AOL<br />
Laney Directional Drilling<br />
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Fifth Jubilee proves<br />
popular in poland<br />
Poland’s fifth <strong>Trenchless</strong> Technology <strong>International</strong> Jubilee Conference and No-Dig Poland <strong>2012</strong><br />
exhibition, held in Kielce from 17–19 April <strong>2012</strong>, was a great success.<br />
APPRoxIMATeLy 200 DeLeGATeS<br />
from Poland and abroad were present at<br />
the conference, including representatives<br />
from universities, utilities and trenchless<br />
technology companies.<br />
the six-session conference, which<br />
presented 36 papers over the three days,<br />
included topics on:<br />
• Issues in trenchless technology<br />
development in both Poland and abroad<br />
• Problems with installation of underground<br />
utilities<br />
• Exploitation of renovated pipelines<br />
• trenchless technologies that prove to be<br />
optimal when risk is taken into account.<br />
Istt Chairman Dr samuel Ariaratnam<br />
presented an engaging discussion on the<br />
differing global perspectives on trenchless<br />
technology in relation to a country’s<br />
economic position. University of taiwan<br />
Professor Keh-Jian shou’s presentation<br />
looked at a number of taiwanese<br />
construction projects that installed sections<br />
of pipe at a very small radius. Joanna<br />
Jacobs rounded out the internationally<br />
focused program with a presentation on<br />
trenchless technologies currently used by<br />
the Metropolitan Water Reclamation District<br />
of Greater Chicago.<br />
the Gala Dinner and EXPERt <strong>2012</strong><br />
Awards proved to be a conference highlight,<br />
and saw statuettes and honourable<br />
mentions granted to laureates in ‘trenchless<br />
Rehabilitation’ and ‘Innovative solution<br />
in the Products used for trenchless<br />
Building, Rehabilitation or Diagnosis of<br />
Underground Utilities’.<br />
Dr Ariaratnam was honoured with<br />
the EXPERt <strong>2012</strong> statuette. the award<br />
recognises his outstanding scientific<br />
achievements and his dedication to carrying<br />
the message of trenchless technology<br />
across the world.<br />
INFRA received an honourable mention in<br />
the ‘trenchless Rehabilitation’ category for<br />
the company’s application of an innovative<br />
technology in a sewer rehabilitation project<br />
using UV cured-in-place pipe liner, in<br />
Nowy s cz.<br />
the Expert <strong>2012</strong> Award for ‘trenchless<br />
Rehabilitation’ itself went to Preuss Pipe<br />
Rehabilitation Polska. the award was<br />
granted for the Process Phoenix Project<br />
which rehabilitated a six-bend waterline<br />
section under the Vistula River in Krakow by<br />
using double pipe jacking.<br />
An honourable mention for ‘Innovative<br />
solution in the Products used for<br />
trenchless Building, Rehabilitation or<br />
Diagnosis of Underground Utilities’ went<br />
to Górażdże Cement/Heidelberg Cement<br />
Baustoffe für Geotechnik for the company’s<br />
product, Drill-Mix, a self-curing drilling<br />
fluid for horizontal directional drilling and<br />
microtunnelling projects.<br />
the prestigious Expert <strong>2012</strong> Award for<br />
‘Innovative solution in the Products used<br />
for trenchless Building, Rehabilitation or<br />
Diagnosis of Underground Utilities’ was<br />
granted to terma technologie for the<br />
company’s pneumatic jacking machine<br />
Max K95s.<br />
The sixth No-Dig Poland 2014 will be held 8–10 April 2014, which will<br />
see the presentation of the EXPERT 2014 Awards.<br />
Professor Dr Samuel Ariaratnam, Chairman of ISTT awarded the EXPERT <strong>2012</strong> statuette with<br />
Conference President Andrzej Kuliczkowski, Chairman of PFTT and Professor Keh-Jian Shou from<br />
Chung – Hsing University in Taiwan.<br />
The No-Dig Poland <strong>2012</strong> exhibition hall.<br />
An underground success<br />
The <strong>2012</strong> Underground Infrastructure Research <strong>International</strong> Conference and Exhibition, held from<br />
5–6 June in Niagara Falls, Ontario Canada was a resounding success with record numbers in attendance.<br />
The ConfeRenCe, WhICh was hosted<br />
by the Centre for Advancement of trenchless<br />
technology (CAtt) and Benjamin Media,<br />
was held at the scotiabank Convention and<br />
Exhibition Centre and saw attendees from<br />
many areas of the world.<br />
the two-day, three-track technical<br />
conference included 77 papers presented<br />
on topics including pipeline planning and<br />
design, construction and rehabilitation,<br />
materials, geotechnical considerations,<br />
inspection and condition assessment, asset<br />
management and sustainability.<br />
speakers came from across the globe<br />
to present their papers, including Istt<br />
Chairman Dr sam Ariaratnam, who delivered<br />
the Keynote Address.<br />
the presentations were an opportunity<br />
for attendees to get the most up-to-date<br />
information on best practice in trenchless<br />
technology and techniques to utilise in<br />
rehabilitation and new installation projects.<br />
the project stories highlighted important<br />
lessons learned on high-profile case studies,<br />
allowing the industry to share this knowledge<br />
for the success of future projects.<br />
In addition to the presentations, two<br />
trenchless workshops were held pre- and<br />
post-event. the trenchless technologies<br />
101 workshop had 20 attendees and<br />
the Asset Management workshop saw<br />
approximately 40 people in attendance.<br />
Both workshops were received with highpraise<br />
from the attendees, who were certain<br />
their future projects will benefit from their<br />
new knowledge.<br />
A great exhibition<br />
Over 400 attendees came through the<br />
exhibition area to visit the 50 exhibitors who<br />
were displaying the latest in technology and<br />
innovation for the trenchless industry. the<br />
GO WITH THE # 1<br />
L I N I N G S O L U T I O N<br />
<strong>Trenchless</strong> <strong>International</strong> Associate Editor Sarah Paul and ISTT Chairman Dr Sam Ariaratnam.<br />
The project stories highlighted important lessons learned on<br />
high-profile case studies, allowing the industry to share this<br />
knowledge for the success of future projects.<br />
show also saw some live demonstrations,<br />
giving attendees a hands-on approach to<br />
some of the new technology that is available<br />
in the industry.<br />
the exhibition was a great way for people<br />
to view the products and services the<br />
companies had to offer, and meet with<br />
potential clients. the networking drinks<br />
held in the exhibition area had a great<br />
turnout with great prizes. the drinks allowed<br />
delegates to meet up with old friends and<br />
colleagues, as well as network and meet<br />
some of the most prominent national and<br />
international players in the management of<br />
underground infrastructure.<br />
VISIT US AT:<br />
WWW.IMPREGINTERNATIONAL.COM<br />
An international colloquium<br />
Prior to the conference, the 14 th<br />
<strong>International</strong> trenchless technology<br />
Research Colloquium (IttRC) was held from<br />
3–4 June bringing together some of the<br />
industry’s finest to discuss the industry and<br />
the future that lays ahead. Executive Director<br />
of CAtt Dr Mark Knight hosted the IttRC,<br />
which attracted <strong>16</strong> research participants<br />
from Europe and North America.<br />
the group worked together to develop<br />
a framework for two journal papers<br />
related to research needs in pressure and<br />
gravity pipeline assessment, rehabilitation<br />
and installation.<br />
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CONFeReNCes<br />
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CONFeReNCes<br />
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An eventful year in France<br />
France sans Tranchée Technologies has a series of exciting trenchless events taking place across<br />
France in <strong>2012</strong>.<br />
journée Technique in Rennes<br />
the France sans tranchée<br />
technologies (Fstt) will hold its next<br />
regional Journée technique in Rennes,<br />
France on 27 september <strong>2012</strong>.<br />
the target of this kind of event,<br />
dedicated to trenchless works,<br />
is to inform owners, engineers,<br />
and technicians about trenchless<br />
technologies (laying and rehabilitation<br />
techniques) and to provide a showcase<br />
and forum to exchange information<br />
and experience in the application of<br />
trenchless technology. this session<br />
will be primarily focussed on the new<br />
French regulation Dt-DICt.<br />
the event is supported by French<br />
utilities including Gaz de France, Ville<br />
de Rennes, Rennes Metropole and<br />
the French authority in charge of water<br />
networks, Agence de L’eau Loire<br />
Bretagne.<br />
For more information contact<br />
Monique Lac monique.lac@fstt.org,<br />
or visit www.fstt.org<br />
Upcoming events<br />
Singapore <strong>International</strong> Water Week<br />
1-5 july <strong>2012</strong>, Marina Bay Sands, Sands expo and Convention<br />
Centre, Singapore<br />
www.siww.com.sg/<br />
<strong>Trenchless</strong> Asia <strong>2012</strong><br />
2–4 july <strong>2012</strong>, Singapore<br />
www.trenchlessasia.com<br />
Breakthroughs in Tunnelling<br />
19-21 Sep, <strong>2012</strong>, Colorado School of Mines in Boulder, Co<br />
3-Day Tunnelling Short Course<br />
www.csmspace.com/events/tunneling/<br />
no–Dig Turkey <strong>2012</strong> and Water Management Conference with<br />
<strong>International</strong> Participation<br />
2-3 october <strong>2012</strong>, Sanliurfa, Turkey<br />
www.nodigturkey.com/?lang=en&page=event_03<br />
no-Dig Live <strong>2012</strong><br />
2–4 october <strong>2012</strong> Coventry, uK<br />
www.nodiglive.co.uk<br />
village du Sans Tranchee –<br />
Pollutec Lyon <strong>2012</strong><br />
Fstt is organising a Village du sans<br />
tranchée in Pollutec <strong>2012</strong> exhibition,<br />
held at Lyon-Eurexpo, France, from<br />
27-30 November <strong>2012</strong>.<br />
the ‘Village du sans tranchée’<br />
expects to attract European exhibitors<br />
and visitors with papers, conferences<br />
and technical sessions promoting<br />
trenchless technologies for the<br />
installation of networks (microtunnelling<br />
as well as horizontal directional drilling)<br />
as well as trenchless rehabilitation<br />
techniques.<br />
A limited number of exhibition spaces<br />
are still available, for further information<br />
contact Rachid Ikrou rachid.ikrou@<br />
reedexpo.fr<br />
For further information,<br />
please contact Rachid Ikrou:<br />
rachid.ikrou@reedexpo.fr.<br />
<strong>Trenchless</strong> engineering <strong>2012</strong><br />
13–15 june <strong>2012</strong>, Zawiercie, Poland<br />
www.konferencje.inzynieria.com/inzynieria/en<br />
ville Sans Tranchee 2013 – Paris<br />
In 2013 the Fstt will hold its main<br />
event – the 10 th biennial Ville sans<br />
tranchée exhibition (Vst), to be held in<br />
Cergy-Pontoise, near-by Paris, France,<br />
from 19–20 June 2013.<br />
Vst brings together specialists in<br />
trenchless technologies and offers an<br />
interesting program of live demonstrations.<br />
the 9 th Vst gave its 99 exhibitors a<br />
chance to demonstrate their technologies,<br />
products, and equipment to the 2,400<br />
visitors in a large outdoor area. Delegates<br />
also attended conference sessions in an<br />
indoor area.<br />
More than 2,500 participants are<br />
expected to attend this year’s event. the<br />
exhibition centre, Mirapolis, is located close<br />
to the heart of Paris and is easily accessible.<br />
Mirapolis is 20 minutes from Paris by the<br />
suburban underground train via line A to<br />
stop Cergy-Le-Haut. From there a shuttle<br />
bus travels direct to Mirapolis.<br />
For more information contact<br />
Monique Lac monique.lac@fstt.org,<br />
or visit www.fstt.org<br />
Mechanised Tunnelling and Microtunnelling Short Course<br />
3-5 october <strong>2012</strong>, Sanliurfa, Turkey<br />
www.nodigturkey.com/?lang=en&page=events<br />
<strong>Trenchless</strong> Live <strong>2012</strong><br />
23–24 october <strong>2012</strong>, Royal Melbourne Showgrounds, Melbourne,<br />
Australia<br />
www.trenchlesslive.com<br />
<strong>2012</strong> <strong>International</strong> no-Dig Brazil<br />
12–14 november <strong>2012</strong> Sao Paulo Brazil<br />
www.acquacon.com.br/nodig<strong>2012</strong>/en<br />
2013 <strong>International</strong> no-Dig Sydney<br />
1–4 September 2013 Sydney, Australia<br />
www.nodigdownunder.com<br />
event not listed? Contact Sarah Paul at spaul@gs-press.com to make sure your event is listed in the next edition.<br />
Celebrating trenchless<br />
in Colombia<br />
The Second Colombian and First Andean and Central American Congress and Exhibition of No-Dig<br />
Technologies and Underground Infrastructure – <strong>2012</strong> event was successfully celebrated in Cartagena de<br />
Indias, Colombia, held from 17–18 May <strong>2012</strong>.<br />
The evenT hAD a number of international<br />
visitors including Holland, spain, France,<br />
Australia, Us, Germany, Brazil, Ecuador,<br />
Mexico, Peru, Panama, Costa Rica and<br />
Colombia. Istt Chairman Dr samuel<br />
Ariaratnam welcomed the attendants and<br />
opened the event, while Dr Robert McKim<br />
from Louisiana tech University was among<br />
one of the many international trenchless<br />
personalities who attended.<br />
this event was organised by the<br />
Colombian Institute for subterranean<br />
Infrastructure technologies and techniques<br />
(CIstt) and saw more than 250 attendees,<br />
with 28 commercial and academic<br />
presentations. the event also had an<br />
exhibition hall with several outdoor<br />
technical demonstrations.<br />
Following the event’s success, CIstt<br />
and Istt are preparing for the third<br />
Colombian version and the second Andean<br />
and Central American version of the<br />
event in 2014, which will be held in<br />
Medellin, Colombia.<br />
In deciding on the location, the CIstt<br />
took into consideration invitation letters<br />
received from the Mayor of the City of<br />
Medellin and from the General Manager of<br />
the Empresas Públicas de Medellin, a utility<br />
company which was one of the CIstt's<br />
founders and it has been a CIstt Platinum<br />
member since 2009.<br />
CIstt will also promote the candidature<br />
of Medellin as the organiser of the 2017<br />
<strong>International</strong> No–Dig. A delegation from the<br />
City will most likely travel for this proposal<br />
to the <strong>International</strong> No–Dig <strong>2012</strong> in são<br />
Paulo, Brazil, to participate in the Istt<br />
annual meeting.<br />
Following the event’s success,<br />
CISTT and ISTT are preparing<br />
for the third Colombian<br />
version and the Second<br />
Andean and Central American<br />
version of the event in 2014,<br />
which will be held in Medellin,<br />
Colombia.<br />
Delegates enjoying a presentation.<br />
Delegates in the exhibition area.<br />
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CONFeReNCes<br />
<strong>July</strong> <strong>2012</strong> - <strong>Trenchless</strong> <strong>International</strong> 31
tURkey<br />
<strong>July</strong> <strong>2012</strong> - <strong>Trenchless</strong> <strong>International</strong><br />
32<br />
Under turkey<br />
The Turkish Society for Infrastructure and <strong>Trenchless</strong> Technology has been leading the way in Turkey by<br />
promoting innovative pipe rehabilitation and installation techniques through its proactive approach and<br />
industry leading events.<br />
no-Dig Summit 2011<br />
Held from 18–19 November 2011, the<br />
turkish society for Infrastructure and<br />
trenchless technology (tsItt) held the<br />
No-Dig turkey summit in Istanbul with the<br />
support of Istt, attracting attention and<br />
participation from local and international<br />
delegates alike.<br />
the No-Dig turkey summit started with<br />
a welcome speech from tsItt Chairman<br />
Yasin torun and was followed by opening<br />
speeches from Istt Executive Director<br />
John Hemphill and Istt Chairman<br />
Dr samuel Ariaratnam.<br />
the Keynote speech, presented by<br />
turkish Minister of Forestry and Water Works<br />
Dr Veysel Eroglu, spoke about trenchless<br />
technology as an essential tool across all<br />
of turkey, and praised the establishment<br />
and activities of tsItt. He stated that the<br />
Ministry will continue to support the tsItt,<br />
and provide support toward the <strong>International</strong><br />
No-Dig 2015 Conference and Exhibition,<br />
which will be held in Istanbul, turkey.<br />
Following the opening and keynote<br />
speeches Minister Dr Veysel Eroglu,<br />
Undersecretary Dr Hasan Zuhuri sarikaya,<br />
Dr Ariaratnam, Istt Vice Chairman Derek<br />
ISTT Executive Director John Hemphill, TSITT Chairman Yasin Torun, ISTT Chairman Dr Sam<br />
Ariaratnam and Turkish Minister of Forestry and Water Works Dr Veysel Eroglu.<br />
Choi, Mr Hemphill and Mr torun attended<br />
a press meeting to answer questions<br />
regarding the <strong>International</strong> No–Dig 2015<br />
Istanbul Conference and Exhibition.<br />
In the afternoon session, a No-Dig<br />
technologies in the World and in turkey<br />
panel took place with Undersecretary<br />
Dr sarikaya as panel chair. the panel<br />
members included tsItt Vice Chairman<br />
Ahmet Gulec, Dr Ariaratnam, German<br />
society of trenchless technology Executive<br />
Director Dr Beyer, Dr Fevzi Yilmaz of FsM<br />
University and Dr Hanifi Copur of Istanbul<br />
technical University.<br />
A full-day training course on horizontal<br />
directional drilling (HDD) took place on the<br />
second day of the summit. Dr Ariaratnam<br />
gave an excellent presentation with tsItt<br />
HDD Working Group Leader Onur Kaya<br />
and tsItt HDD Working Group Consultant<br />
Orkun Cevizci. A turkish book published<br />
by tsItt titled Driller’s Handbook and Daily<br />
Log was distributed to the all participants of<br />
the presentation.<br />
In contributing to the success of the<br />
event, the tsItt would like to thank to<br />
the turkish Ministry of Forestry and Water<br />
Works, the Istt, Istanbul Metropolitan<br />
Municipality, Istanbul Water and sewerage<br />
Administration, Union of Municipalities of<br />
Marmara, General Directorate of state<br />
Hydraulic Works, Istanbul Natural Gas<br />
Turkish Minister of Forestry and Water Works<br />
Dr Veysel Eroglu.<br />
Distribution Company, FsM University, and<br />
Istanbul technical University. the tsItt<br />
also extends its thanks to the many other<br />
national/international institutions who<br />
contributed to the event, and thanks the<br />
participants from turkey, the Netherlands,<br />
France, Germany, Bulgaria, Greece,<br />
Romania for their high attendance levels.<br />
upcoming events in Turkey<br />
Short course on mechanised<br />
tunnelling and microtunnelling<br />
the tsItt has organised a two-day<br />
short course on mechanised tunnelling and<br />
microtunnelling to be held from 4–5 October<br />
<strong>2012</strong> in sanliurfa, turkey, with support<br />
of the academics from Istanbul technical<br />
University and the Istt.<br />
the course intends to bring together<br />
key players in the trenchless and<br />
tunnelling industries, including contractors,<br />
engineering firms, consultants, machine<br />
manufacturers and suppliers, and<br />
representatives and technical staff from<br />
public institutions who make high-budgeted<br />
investments in infrastructure systems. By<br />
Participants engaging in the presentations.<br />
bringing together the players from all area<br />
of the trenchless sector, the course will<br />
also help the trenchless industry gather<br />
momentum in a time of rapidly expanding<br />
infrastructure in turkey.<br />
the course will cover a wide range<br />
of topics, from design to application in<br />
mechanised tunnel-microtunnel excavation<br />
and construction methods. the methods<br />
will cover which techniques are applicable to<br />
different geological conditions, from hard rock<br />
to soft ground in cities and rural areas. the<br />
course will also cover some major projects<br />
in turkey. the lectures will be presented by<br />
well-known and highly professional experts,<br />
academics, contractors, representatives<br />
of public institutions owners, machine<br />
manufacturers and suppliers. Professor<br />
Levent Ozdemir, Ozdemir Engineering from<br />
Us and Professor Daniele Peila, Polytechnic<br />
University of turin, Board Member of ItA, will<br />
participate as international course trainers.<br />
the course is going to take place in<br />
sanliurfa, a beautiful historical city located<br />
in south-eastern turkey where a number<br />
of new tunnel projects are to be introduced<br />
in the near future. As part of the course, a<br />
technical excursion is scheduled to the suruc<br />
tunnel, a state Hydraulic Affairs project<br />
which is currently under construction to be<br />
the world’s fifth largest water delivery project.<br />
Visit www.nodigturkey.com for detailed<br />
information on the course program, trainers,<br />
sponsors, and registration info.<br />
no-Dig 2015<br />
After the <strong>2012</strong>, 2013 and 2014 No-Dig<br />
turkey events, the Istt’s No-Dig 2015<br />
Conference and Exhibition will take place<br />
in Istanbul. All individuals, institutions and<br />
companies are invited to attend No-Dig<br />
events in turkey, a unique country located<br />
in the intersection point of Europe, Asia and<br />
Middle East.<br />
tURkey<br />
<strong>July</strong> <strong>2012</strong> - <strong>Trenchless</strong> <strong>International</strong> 33
tURkey<br />
<strong>July</strong> <strong>2012</strong> - <strong>Trenchless</strong> <strong>International</strong><br />
34<br />
water utilities in turkey<br />
As part of <strong>Trenchless</strong> <strong>International</strong>’s ongoing series examining utilities around the globe, this edition<br />
takes a look at the water authorities providing service to some of Turkey’s largest cities.<br />
TuRKey’S <strong>16</strong> LARGeST cities have<br />
legally separate and financially autonomous<br />
municipal water and sanitation companies<br />
called su ve Kanalizasyon Idaresi (sKIs).<br />
the first utility created, formed in 1981, is<br />
Istanbul’s water authority, IsKI. throughout<br />
the 1980s and 1990s establishment of the<br />
other utilities followed.<br />
sKIs exist in the following metropolitan<br />
cities: Adana, Ankara, Antalya, Bursa,<br />
Istanbul, Diyarbakir, Kayseri, Denizli,<br />
Eski ehir, Gaziantep, Izmir, Konya, Malatya,<br />
Mersin, samsun, and anliurfa.<br />
In 2008, there were 3,225 municipalities<br />
in turkey, including some very small<br />
municipalities. Before the municipal elections<br />
of March 2009, the number was reduced<br />
by 862 through reclassification of small<br />
municipalities with less than 2,000 inhabitants,<br />
bringing the number of municipalities to 2,363.<br />
the turkish society for Infrastructure and<br />
trenchless technology (tsItt) signed an<br />
agreement with the Union of Municipalities<br />
of the Marmara Region (UMMR) on 5 August<br />
2010, which emphasised collaboration<br />
between the two organisations for increased<br />
use of trenchless technology in turkey.<br />
the UMMR was founded in 1975, and is<br />
currently active in eleven cities – Istanbul,<br />
Balikesir, Bilecik, Bursa, Canakkale, Edirne,<br />
Kirklareli, Kocaeli, sakarya, tekirdag<br />
and Yalova.<br />
Istanbul – ISKI<br />
With a population of almost 13.5 million,<br />
Istanbul is turkey’s largest city. IsKI is the<br />
municipality responsible for providing water<br />
and wastewater services to Istanbul.<br />
IsKI was founded under the Istanbul<br />
Government in 1981 as part of the Istanbul<br />
Metropolitan Municipality. the main priorities<br />
of IsKI are preserving water resources,<br />
providing good-quality water services<br />
to the public, and managing and treating<br />
wastewater. IsKI became the biggest public<br />
company in turkey in 1995. the annual<br />
budget of IsKI in 1996 was $Us257.6 million<br />
($tRY471.2 million) and its investment budget<br />
is $Us106.7 million ($tRY195.1 million).<br />
the total service area of IsKI is<br />
5,342 square km. Within this service area, the<br />
municipality manages watermains totalling<br />
15,586 km in length and sewers totalling<br />
12,714 km in length. the transport mains and<br />
distribution networks are monitored using the<br />
sCADA system.<br />
to manage these networks, IsKI has<br />
completed many local and international<br />
projects and investments in water/waste<br />
management and wastewater treatment. As<br />
The Turkish Society for Infrastructure and <strong>Trenchless</strong> Technology (TSITT) signed an agreement with<br />
the Union of Municipalities of the Marmara Region (UMMR) on 5 August 2010, which emphasised<br />
collaboration between the two organisations for increased use of <strong>Trenchless</strong> Technology in Turkey.<br />
iZMir<br />
isTaNBuL<br />
aNKara<br />
DiYarBaKir<br />
a result of these projects, IsKI has 13 water<br />
treatment plants, with a combined capability<br />
of processing 3,608,000 cubic metres<br />
per day, and 15 wastewater treatment<br />
plants in different provinces of Istanbul. As<br />
Istanbul continues to grow, IsKI continues<br />
to build more facilities to cope with the ever<br />
expanding population.<br />
IsKI has determined all of its key targets until<br />
2040 through a Master Plan for water supply<br />
and wastewater discharging. the Master<br />
Plan accounts for metrics such as population,<br />
water requirements, water resources, water<br />
purification, and the recycling potential of<br />
treated wastewater.<br />
IsKI is currently microtunnelling three new<br />
sewage collectors that will provide turkey’s<br />
inland Marmara sea with better environmental<br />
protection. to read more about the project,<br />
turn to page 40.<br />
Ankara – ASKI<br />
Ankara is the capital of turkey, and the<br />
country’s second largest city after Istanbul.<br />
the Ankara Municipality was created in<br />
1949, but it wasn’t until the municipality<br />
management model was created in 1980 that<br />
the Ankara Water and sewerage Authority<br />
(AsKI) was created.<br />
this change brought in a new era of<br />
infrastructure works, including:<br />
• Watershed protection<br />
• Provision of groundwater and surface<br />
water drinking water sources<br />
• Distribution of treated drinking water<br />
• Regularly maintenance checks of the<br />
city’s water quality<br />
• Ongoing maintenance and repairs of<br />
networks and plants.<br />
Ankara’s municipal boundaries expanded<br />
between 1985–2010, leading to a number<br />
of planned projects to cope with the water<br />
demand. At the end of 1999, AsKI had<br />
constructed 5,138 km of transmission<br />
mains, 74 water reservoirs, and 39<br />
pumping stations. Future projects include<br />
constructing 54 new water storage facilities,<br />
25 pumping stations, and the expansion of the<br />
municipalities distribution network, which is<br />
comprised of prestressed concrete, steel and<br />
ductile piping.<br />
AsKI has a rigorous leak detection unit,<br />
which utilises acoustic monitoring systems,<br />
correlation systems, data logger systems, flow<br />
measurement and pressure measurement to<br />
minimise water losses.<br />
Diyarbakir – DISKI<br />
Diyarbakir is one of the largest cities in<br />
south-eastern turkey, with a population of<br />
approximately 850,000. DIsKI is responsible for<br />
the provision high quality water, the collection<br />
of rain water and the treatment of wastewater.<br />
ASKI has a rigorous leak detection unit, which utilises acoustic<br />
monitoring systems, correlation systems, data logger systems,<br />
flow measurement and pressure measurement to minimise<br />
water losses.<br />
the Drinking Water treatment Plant Project<br />
has been planned to overcome recent influxes<br />
of migration to Diyarbakir, urban expansion<br />
and the ageing network that is responsible<br />
for substantial water losses. the first phase of<br />
the two-phase project is now underway, with<br />
the project aiming to be completed in 2025.<br />
the project will secure drinking and industrial<br />
water for Diyarbakir.<br />
Izmir - IZSu<br />
Izmir is the third largest city in turkey, based<br />
on population, and is located in the western<br />
extremity of Anatolia. the metropolitan area<br />
in the Izmir Province has a population of<br />
approximately 4 million.<br />
In 1987, the municipality began the Izmir<br />
Water supply and sewerage Project to<br />
promote better environmental conditions in<br />
Izmir, reduce health hazards, and to bring<br />
about major environmental improvements<br />
and economic benefits in the water supply<br />
and sewerage sector in Izmir. the project<br />
was completed in 1994.<br />
the current water network is divided into<br />
366 regions. to assist with the authority’s<br />
water management plan, the Izmir<br />
Waterworks developed the IZsU Geographic<br />
Infrastructure Information system to store<br />
infrastructure assets in an Oracle spatial<br />
database. the $Us256,953 ($tRY470,000)<br />
system stores data on 4,200 km of water<br />
pipeline, 43,770 water fittings, 2,820 km of<br />
wastewater pipeline, and 74,720 wastewater<br />
fittings. About 300 IZsU personnel access the<br />
data through four websites. IZsU’s 21 branch<br />
offices utilise the data to improve efficiency<br />
and responsiveness to customer requests.<br />
the municipality uses regular monitoring<br />
of the networks to cut-down water losses<br />
by sourcing where underground failures<br />
are located. since the monitoring program<br />
commenced in 2004, water gain has risen<br />
from 20 million cubic metres in 2004, to<br />
47 million cubic metres in 2008.<br />
anliurfa – uSKI<br />
Over the last decade, UsK has played a<br />
large role in infrastructure studies in districts<br />
that lack appropriate sewerage systems, clean<br />
drinking water and adequate rain drainages.<br />
this has lead to UsK constructing<br />
75 km of sewage systems in the following<br />
districts: Veyselkarani, Ertu rulgazi,<br />
Kar ıyaka Esentepe, Devte ti, Ahmetyesevi,<br />
süleymaniye, Direkli, Akabe, Ak emsettin,<br />
Buhara, Mance, Dedeosman, Hacıbayram,<br />
Muradiye, selçuklu, Osmanlı and Hayati<br />
Harrani Parishes.<br />
Additionally, an 8.5 km long sewerage<br />
system for the tOK Residence and Evren<br />
Industry Complex was auctioned and<br />
constructed in February of 2006. A 120 km<br />
water pipe was also completed for delivering<br />
refined water the following districts;<br />
Bahçelievler, Mimarsinan, air evket, sultan<br />
Fatih, Ba larba ı, Yavuzselim, Akabe,<br />
Ak emsettin, Buhara, Mance, Dedeosman,<br />
Atatürk, Osmanlı, selçuklu, Hayatiharrani,<br />
Muradiye, Hacıbayram, topda ı, Yakubiye<br />
and Eyyübiye.<br />
the current administration has taken many<br />
steps towards problems of rain overflows<br />
and flooding. Recently, roads and streets that<br />
were under flood risk, totalling 13.5 km, were<br />
lined with rain drainage canals.<br />
Additionally, anliurfa is home to one of<br />
the greatest trenchless feats in turkey, the<br />
anliurfa Irrigation tunnels.<br />
the tunnels, constructed in connection<br />
with the southeastern Anatolia Project,<br />
are a multi-sector integrated regional<br />
development project of turkey. the tunnels<br />
were commissioned by the state Hydraulic<br />
Works authority and completed in December<br />
2005. the two parallel tunnels run in the<br />
anlıurfa Province of turkey and deliver<br />
water from the reservoir of Atatürk Dam on<br />
Fırat River.<br />
the length of each tunnel is 26,400 m,<br />
with an outer diameter of 9.5 m and inner<br />
diameter of 7.62 m, and they each deliver<br />
328 cubic meters of water per second.<br />
the tunnels are the largest in the world, in<br />
terms of length and flow rate. the turkish<br />
chamber of Civil Engineers lists the anlıurfa<br />
Irrigation tunnels as one of the fifty civil<br />
engineering feats in turkey.<br />
Currently, the state Hydraulic Affairs is<br />
constructing the suruc tunnel in anlıurfa,<br />
which will be the world’s fifth largest water<br />
delivery project.<br />
tURkey<br />
<strong>July</strong> <strong>2012</strong> - <strong>Trenchless</strong> <strong>International</strong> 35
INspeCtION ANd CONdItION AssessMeNt<br />
<strong>July</strong> <strong>2012</strong> - <strong>Trenchless</strong> <strong>International</strong><br />
36<br />
safety in the shaft<br />
By jules van Leth, hermes Technologie<br />
The renovation of manhole shafts by the centrifugal spray method is a safer option, compared with<br />
manual coating or the wet spray technique, explains Hermes Technologie’s Jules van Leth.<br />
The M-CoATInG SySTeM from Hermes technologie schwerte<br />
is a safe to use manhole shaft renovation technique. the technique<br />
ensures safety onsite, as well as a high level of personal safety for<br />
the operators. the safety procedure has been in development over<br />
ten years, involving planning and responding to clients’ requirements<br />
and feedback.<br />
Highlights of the system include:<br />
• All equipment and machines are securely installed in a trailer or<br />
on a transporter, and cannot slide or topple<br />
• there is a system for tying attachments down or stowing them<br />
away<br />
• Every vehicle is equipped with lights on all sides for easy visibility<br />
in traffic<br />
• the equipment is spaciously designed, to a high technical<br />
standard, and can easily cope with extreme operational demands.<br />
In its M-COAtING system, Hermes technologie offers fully<br />
automated shaft cleaning using high pressure water jets (the<br />
tssR). the latest development to the system is the HDs jet – a<br />
fully automated sand and water blasting jet. the whole process is<br />
set up and monitored from outside the shaft, so there is no need to<br />
enter the shaft.<br />
While the operator may not be working in the immediate vicinity of<br />
the jets, in order to comply with the relevant health and safety rules<br />
they must wear protective clothing.<br />
the tssR – the cleaning rig that travels automatically up and<br />
down within the shaft – can be installed in the gap between the<br />
winch and the top edge of the shaft. the rig is controlled by an easily<br />
accessible, steplessly adjustable limit switch. this avoids the tssR<br />
being raised higher than intended, preventing unintentional injuries.<br />
Even if the operator is briefly distracted, the system automatically<br />
switches itself off when it reaches the set-level.<br />
the distributor unit is equipped with high pressure hoses, a<br />
mortar-flushing hose, and a hose for the hand-lance. An additional<br />
pressure gauge is fitted to the distributor unit, so that the operator<br />
can see immediately whether the system is still at the optimal<br />
pressure. the mortar-flushing hose is also equipped with a safety<br />
valve, so the correct amount of pressure is used when the pumping<br />
hoses perform.<br />
Thanks to the company’s years of experience<br />
and a constant exchange of ideas with clients<br />
and safety experts, the M-COATING system has<br />
achieved the highest level of safety.<br />
The mechanical components<br />
to ensure that crew members can hear each other, and to protect<br />
operators carrying out the work, the engine bay is soundproofed.<br />
A thermal sensor on the control box display gives constant<br />
measurements of the temperature, giving operators an early<br />
warning of overheating.<br />
to help ensure the highest possible protection of the electrical<br />
system, there is a 0.03 mA residual current circuit breaker and an<br />
earth leakage monitor, in addition to all other requisite fuses and a<br />
motor overload switch.<br />
All attachments – including the high-pressure pump – can be<br />
shut down immediately using the two centrally mounted emergency<br />
cut-off switches.<br />
Re-coating<br />
the operator stands beside the shaft during coating and when<br />
supervising the automated coating process. Crew members manning<br />
the mixer are largely protected from dust due to M-COAtING’s<br />
feed hopper.<br />
the operator is further protected by the suction funnel that is<br />
mounted over the feed hopper, and by a protective mask. Water is<br />
automatically measured out, and the mortar is automatically mixed.<br />
the mortar drops into the grout tank and is safely pumped to the<br />
centrifuge motor through sturdy mortar hoses. A pressure gauge at<br />
the pump outlet gives a constant reading of pump pressure.<br />
Once coating is completed, all attachments are flushed through<br />
potable water.<br />
to prepare the rig for leaving the site, all attachments and hoses<br />
are tied down or securely stowed away.<br />
the generator and HP pump batteries are automatically charged<br />
during transport in readiness for the next job. the floor of the vehicle<br />
is covered in a non-slip coating.<br />
thanks to the company’s years of experience and a constant<br />
exchange of ideas with clients and safety experts, the M-COAtING<br />
system has achieved the highest level of safety.<br />
For more information visit<br />
www.hermes-technologie.com<br />
INspeCtION ANd CONdItION AssessMeNt<br />
<strong>July</strong> <strong>2012</strong> - <strong>Trenchless</strong> <strong>International</strong> 37
MICROtUNNeLLING ANd pIpe JACkING<br />
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38<br />
the in and outs<br />
of pipe jacking<br />
By Andrew Marshall, Pipe jacking Association, uK<br />
Pipe jacking is a specialist tunnelling method for installing underground pipelines with minimum<br />
surface disruption. Primarily used for new sewer construction, it is also used for sewer replacement<br />
and relining, gas and water mains, oil pipelines, electricity and telecommunication installations,<br />
culverts and subways.<br />
The PIPe jACKInG Association has been<br />
established for approximately 40 years and<br />
represents contractors, pipe suppliers,<br />
machine manufacturers and other specialist<br />
suppliers in the UK pipe jacking and<br />
microtunnelling industry.<br />
The pipe jacking technique<br />
Pipe jacking is the technique of installing<br />
pipes by driving a line of them through the<br />
ground with hydraulic jacks from a prepared<br />
jacking pit. Excavation is carried out in a shield<br />
forward of the leading pipe as the pipeline is<br />
pushed out of the jacking pit and the process<br />
repeated. Excavation can be by hand or<br />
machine, depending upon the conditions.<br />
Microtunnelling is pipe jacking using remotely<br />
controlled machines, operated and steered<br />
from the surface, generally less than 900 mm<br />
diameter although larger diameters are also<br />
jacked remotely utilising similar techniques.<br />
Forty years ago in the United Kingdom,<br />
pipe jacking was a very basic technique<br />
which used miners working inside a simple<br />
steel shield to manually excavate for the<br />
installation of modified open-cut pipes by<br />
jacking with short stroke hydraulic jacks and<br />
spacers. the pipelines were used primarily<br />
for crossing under existing structures, roads<br />
and railway in stable soil conditions. the<br />
techniques for excavating and controlling<br />
the face, steering the shield and controlling<br />
jacking forces were very crude, with the<br />
result that the pipes installed were frequently<br />
damaged in the process and the line and<br />
level of the finished pipes were often out of<br />
acceptable tolerance.<br />
the possibility of constructing longer<br />
sections of deep pipe by pipe jacking instead<br />
of open-cut excavation had been realised,<br />
but the system’s quality control particularly<br />
in variable soil conditions held back any<br />
significant increases in this market.<br />
the advent of the latest generation of<br />
mechanised tunnelling systems, reliant<br />
upon pipe jacking, that can handle either a<br />
wide range of ground conditions with one<br />
design or be custom made for specific<br />
conditions such as rock, have proved to<br />
be of tremendous benefit to contractors<br />
and clients alike. Mechanisation reduced<br />
unit costs and has allowed clients to carry<br />
out more work for the given budget and,<br />
in some cases, made previously impossible<br />
jobs possible.<br />
Microtunnelling has gained a total<br />
acceptance as clients and engineers,<br />
previously unfamiliar with the technology are<br />
now specifying its use with confidence.<br />
Microtunnelling machines (250 mm –<br />
900 mm diameter) are essentially miniaturised<br />
versions of full faced tunnel boring machines.<br />
their development generated the requirement<br />
for the remote control of all functions. these<br />
include the operation of the shield machine,<br />
jacking system, line and level control, soil<br />
removal and pipe lubrication.<br />
Microtunnelling systems are effective in a<br />
wide range of soil conditions and are reliable<br />
over lengths of 80 m at 300 mm diameter<br />
and up to 200 m at 900 mm diameter.<br />
these same remote control features were<br />
then adopted in larger diameter machines<br />
of 1,000 mm to 2,500 mm with equal<br />
reliability and increased versatility. these<br />
DATeS LoCATIon PRojeCT ReSeARCh ASSISTAnT<br />
1986–1989 Oxford University Laboratory model testing of jacking pipes and packers Kevin Ripley<br />
1989–1992 Oxford University site monitoring of five full-scale pipe jacks Paul Norris<br />
1992–1996 Oxford University Monitoring of four more full-scale pipe jacks Mark Marshall<br />
1993–1996 Oxford University Finite element analyses and model testing of jacking pipes Jian Qing Zhou<br />
1996–1997 Oxford University Prototype testing of microtunnelling pipes Chris Holt<br />
2000–2001 tRL Mitigating the disruption caused by utility street works K C Brady, M Burtwell<br />
and J C thomson<br />
2001–2002 Oxford University Properties of foam/sand mixtures for tunnelling applications sotiris Psomas<br />
2001–2004 Cambridge University Conditioning of clay soils for tunnelling machine screw<br />
conveyors<br />
Andrew Merritt<br />
2005–2004 Pipe Jacking and Management of process arisings from tunnels and other Beyond Waste and<br />
tunnelling Research<br />
Group<br />
earthworks: A guide to regulatory compliance<br />
Environmental Geotechnics<br />
2002–2006 Cambridge University soil conditioning for pipe jacking and tunnelling Xavier Borghi<br />
2003–2007 Oxford University Effects of conditioning agents for tunnelling in sand Miguel Pena<br />
2005–2007 Newcastle University Application of knowledge management to slurry tunnelling Eleanor Chen<br />
2008–2011 Leeds University slurry separation in the pipe jacking process Neil Phillips<br />
2011–ongoing City University soils behaviour in tunnel boring machines Neil Phillips<br />
larger machines can cope with an even<br />
wider range of ground conditions, as well as<br />
installations of far greater single drive lengths<br />
by adopting the use of interjacks.<br />
As with all tunnelling processes, the<br />
geological conditions determine the most<br />
suitable excavation and face support<br />
methods. As a result, a range of machines<br />
with various excavation and ground support<br />
characteristics are now available to achieve<br />
economic installations across the entire range<br />
of ground conditions from soft, unstable soils<br />
through to solid rock.<br />
environmental issues<br />
For tunnelling, and many other construction<br />
processes, environmental considerations are<br />
now becoming so important as to exert a<br />
major control on the technology and the<br />
economics. A particular challenge to the<br />
tunnelling industry relates to the management<br />
of tunnel spoil. this spoil should be re-used<br />
in other works rather than disposed to<br />
landfill. However, in practice, much material<br />
has to be landfilled because it is too wet<br />
to be re-used. the spoil from all types of<br />
tunnelling can be difficult but that from slurry<br />
tunnelling, the most widely used procedure<br />
for small projects, is particularly problematic.<br />
In slurry tunnelling, slurry is pumped into<br />
the face of the tunnelling machine where it<br />
mixes with the cut spoil. the spoil-slurry mix<br />
is then pumped from the face to a surface<br />
cleaning plant. In the cleaning plant, spoil and<br />
liquid are separated, the spoil for disposal<br />
and the liquid for return to the face. the liquid<br />
thus becomes a carrying fluid transporting<br />
the spoil from the face to the surface.<br />
Machine excavation is now used for<br />
over 95 per cent of UK tunnelling and<br />
the majority of these tunnels employ slurry<br />
tunnelling. Furthermore, slurry excavation<br />
is essential in many water-bearing soils as<br />
the machine face is sealed which prevents<br />
groundwater inflow and the risk of tunnel<br />
flooding and dewatering induced settlement<br />
of neighbouring buildings.<br />
With the anticipated growth in the use<br />
of trenchless systems as new legislation<br />
is introduced and the research and<br />
environmental benefits of pipe jacking<br />
become recognised the Pipe Jacking<br />
Association is currently developing a carbon<br />
calculator that will provide an immediate<br />
assessment of greenhouse gas emissions for<br />
pipe jacking and microtunnelling compared<br />
to disruptive open cut construction for<br />
sewer and other utility installations. this is<br />
being developed by tRL, the UK’s leading<br />
independent centre for transport research<br />
and consultancy.<br />
Pipe jacking research<br />
Academic research has played a major<br />
role in the development of pipe jacking.<br />
A 'state of the art ' review, carried out<br />
by the Construction Industry Research<br />
and Information Association (CIRIA) and<br />
commissioned by the PJA started the ball<br />
rolling. Five areas of research were highlighted:<br />
• Friction loads in different ground<br />
conditions<br />
• Load/deflection characteristics of the<br />
joints with different packing materials<br />
• the effect of cyclic loading on the pipes at<br />
intermediate jacking stations<br />
• the effect of lubricants in reducing friction<br />
along a pipe<br />
• the development of a site investigation<br />
test suitable for the prediction of friction<br />
forces.<br />
subsequently a wide range of academic<br />
projects have been undertaken, the majority<br />
SPR<br />
under the auspices of the Pipe Jacking and<br />
tunnelling Research Group.<br />
this combined expertise is available<br />
to member’s clients to ensure that the<br />
complex relationship between varying<br />
ground conditions, pipes and machinery<br />
is understood.<br />
Much of this expertise is contained in the<br />
Association’s publication: A Guide to Pipe<br />
Jacking and Microtunnelling Design.<br />
To find out more on the Pipe<br />
Jacking Association<br />
visit www. pipejacking.org<br />
The superior SPR process is a spiral-wound technology for the<br />
trenchless rehabilitation of sewers. The technology is suitable for<br />
large-diameter pipes up to 5000 mm and for circular and custom<br />
shapes.<br />
SEKISUI SPR offers the SPR technology exclusively. Take advantage<br />
of the new rehabilitation technology and make your connection:<br />
www.sekisuispr.com or info@sekisuispr.com.<br />
MICROtUNNeLLING ANd pIpe JACkING<br />
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MICROtUNNeLLING ANd pIpe JACkING<br />
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40<br />
Microtunnelling mapped<br />
for Marmara sea<br />
ISKI, Istanbul’s Metropolitan Water and Sewerage Municipality, has commenced three new microtunnelling<br />
projects that will provide Turkey’s inland Marmara Sea with better environmental protection.<br />
The ThRee MICRoTunneL sewage<br />
collectors, named Gurpinar, silivri and<br />
Canta, have a combined total length of<br />
6,0<strong>16</strong> m, with a diameter of 2,000 mm.<br />
Once the three sewage collectors<br />
are functional, sewage coming through<br />
Beylikduzu south Coast will be transferred<br />
by the 2,009 m long Gurpinar sewage<br />
collector to the Ambarli Advanced Biological<br />
sewage treatment Plant.<br />
the 1,807 m long silivri sewage collector<br />
will transfer sewage coming through the<br />
villages of Gazitepe, Alipasa, Kayalidere<br />
and Fener to the silivri Advanced Biological<br />
sewage treatment Plant.<br />
In Canta East Coast, sewage will be<br />
transferred by the 2,000 m long Canta<br />
sewage collector to the Canta Advanced<br />
Biological sewage treatment Plant.<br />
Getting technical<br />
the three tunnels will be constructed<br />
using tunnel boring machines (tBM). the<br />
machines have 3 m diameters to avoid<br />
disturbing the environment and above<br />
ground structures. these machines being<br />
utilised can perform mechanical digging<br />
under the varying soil and topology<br />
conditions that will be encountered in the<br />
three tunnels.<br />
The Gurpinar<br />
microtunnel route.<br />
The Canta<br />
microtunnel route.<br />
Project Name: Construction<br />
of Gurpinar, Canta and Silivri<br />
Waste Water Tunnels<br />
Location: Gurpinar, Beylikduzu<br />
and Silivri areas of Istanbul<br />
Owner: ISKI (Istanbul Water<br />
and Sewerage Municipality)<br />
Capacity: Tunnels will have<br />
the capacity to transfer<br />
347.904 cubic metres<br />
wastewater per day<br />
Contract Date: 1 December<br />
2011<br />
Completion Date: 3 May 2015<br />
Contractor: Ozka – Kalyon<br />
Unincorporated Partnership<br />
Project Cost: 43.5 million<br />
Turkish Liras ($US24.5 million)<br />
The three tunnels will<br />
be constructed using<br />
tunnel boring machines.<br />
The machines have 3 m<br />
diameters to avoid disturbing<br />
the environment and above<br />
ground structures.<br />
talking on the machinery, an IsKI<br />
spokesperson said “these machines grasp<br />
the bevel drives on the cutters and conduct<br />
the boring process. there are two crucial<br />
powers to conduct the tunnel boring process.<br />
“the cutting head pushes towards<br />
the bevel drive. the rotation of the head<br />
combined with the pushing force to the<br />
drive enables the digging process.<br />
“the ground the tBM excavates is<br />
transferred to the chamber behind the<br />
cutting head by the wings on the bevel<br />
drives. the conveyor in the chamber<br />
transports the extracted material away from<br />
the tBM for removal. “<br />
Progress to date<br />
Construction works began in February<br />
<strong>2012</strong>, and it is expected that the projects<br />
will be completed in the first half of 2015,<br />
with an estimated cost totalling 43.5 million<br />
turkish Liras ($Us24.5 million).<br />
IsKI has told <strong>Trenchless</strong> <strong>International</strong> that<br />
at the time of writing, two of the shafts are<br />
currently under construction with 12 m of<br />
shaft digging completed.<br />
Rack and Pinion design<br />
is a field-proven feature<br />
that maximizes overall<br />
equipment performance,<br />
strength and reliability<br />
Operator’s Cabin<br />
Climate controlled, microprocessor control<br />
system, mud pressure gauge, digital mud<br />
flow meter and rotary tachometer, pressure<br />
control for rotary / thrust, variable rotary<br />
speed, ergonomic joy stick<br />
DD-10 Horizontal Directional Drill<br />
Providing the most rotary torque in its class<br />
NEW! Standard item - Quick<br />
Disconnect Anchor Plate<br />
allows for multiple drilling angles<br />
The Silivri<br />
microtunnel route.<br />
On-Board Mud Pump, Compact self-contained<br />
design, Rear Thrust Stabilizers.<br />
Productivity Defined<br />
At American Augers, we define productivity in our self contained mid-size horizontal directional drills designed<br />
to work in compact hard-to-reach jobsites. These horizontal directional drills provide a climate controlled<br />
operator’s cabin, Quiet Pak ® noise reduction system, rear thrust stabilizers and a quick disconnect anchor<br />
plate for multiple drilling angles.<br />
American Augers was the first manufacturer to eliminate chain and utilize a rack and pinion carriage design<br />
which is now the industry standard. Our rack and pinion drive provides smoother carriage movement, more<br />
precise operating control and enhances overall equipment performance, strength and reliability. American<br />
Augers also offers FACTORY DIRECT for all your underground construction needs.<br />
Maxi-Rig Directional Drills • Auger Boring Machines • Product Tooling & Accessories • Mud Pump & Cleaning Systems • Oil & Gas Drill Rigs • Mid-Size Directional Drills<br />
AA DD-10 ad TI.indd 1 3/9/12 6:48 PM<br />
MICROtUNNeLLING ANd pIpe JACkING<br />
<strong>July</strong> <strong>2012</strong> - <strong>Trenchless</strong> <strong>International</strong> 41
MICROtUNNeLLING ANd pIpe JACkING<br />
<strong>July</strong> <strong>2012</strong> - <strong>Trenchless</strong> <strong>International</strong><br />
42<br />
ISTT no-Dig 2013 –<br />
save the date!<br />
The ISTT heads to<br />
Sydney, Australia,<br />
1–4 September 2013.<br />
See page 57.<br />
tunnelling success<br />
down Under<br />
The Melbourne Main Sewer Replacement, an Australian project upgrading the historic century-old main<br />
sewer in Melbourne, has progressed well over the past 12 months and was commissioned in May <strong>2012</strong>,<br />
tracking on schedule for completion in mid-<strong>2012</strong>.<br />
The MeLBouRne MAIn sewer Replacement (MMsR) involves<br />
the construction of approximately 2.3 km of new sewer in and<br />
around inner-city Melbourne.<br />
the new sewer, which begins in the Docklands precinct, crosses<br />
the Yarra River upstream of the Charles Grimes Bridge and<br />
continues into Port Melbourne, is being built with the assistance of<br />
a specially-designed tunnel boring machine (tBM).<br />
the MMsR is an important project for the city that will deliver health<br />
and environmental benefits to meet the future growth of Melbourne.<br />
Major developments<br />
2010-11 has seen many significant advances made on the<br />
project. the 140 m, on-grade crossing of Melbourne’s iconic Yarra<br />
River was completed in February this year, following the installation<br />
of the final section of 2.4 m diameter pipeline. Construction was<br />
undertaken in three stages to ensure the Yarra River remained open<br />
to river users for the duration of works. specialist divers worked<br />
in zero visibility conditions, installing sections of the pipe within a<br />
wet cofferdam.<br />
Another major development occurred in April 2011, when the<br />
project’s <strong>16</strong>4 tonne, 93 m tunnel boring machine (tBM) completed<br />
Floating pipe into cofferdam.<br />
the final section of tunnel to emerge at the south Wharf shaft site<br />
in the Docklands area. this second and final major tunnel drive on<br />
the project marked the completion of over 18 months of tunnelling<br />
under Melbourne’s inner suburbs.<br />
Project challenges<br />
At the project’s beginnings in 2005, Melbourne Water, together<br />
with project partners, contractor John Holland, designers GHD<br />
and project manager Aurecon, knew that the MMsR would not be<br />
without its challenges.<br />
“the 875 m final tunnel drive was one of the most challenging<br />
engineering feats of the project due to difficult geological conditions,<br />
which saw the specially designed Earth Pressure Balance (EPB)<br />
tBM steered through soft clay-like Coode Island silt, and around<br />
critical infrastructure, including the M1 Freeway,” said Melbourne<br />
Water Project Director Phil Corluka.<br />
“In undertaking these essential replacement works, the MMsR<br />
team has developed a good understanding of geology and<br />
hydrogeology, being the first to mechanically tunnel through the<br />
Yarra Delta, most notorious being the Coode Island silt, which<br />
provided significant challenges to the original constructor in the<br />
Branch and reticulation sites.<br />
1800s. the learnings gathered on this historic project provide<br />
fantastic knowledge for future projects and for soft ground tunnelling<br />
as a whole.”<br />
In addition to two major tunnel drives and a river crossing, the<br />
MMsR also encompasses the construction of 1.9 km of localised<br />
branch and reticulation sewers. to minimise impacts on the local<br />
community, trenchless technology was effectively utilised to install<br />
smaller reticulation pipes ranging in diameter from 300–500 mm.<br />
smaller shaft sites, situated within densely populated suburban<br />
streets, have been used to complete this intricate set of works.<br />
vital infrastructure<br />
the MMsR is an important project that will deliver health and<br />
environmental benefits to meet the future growth of Melbourne. the<br />
new sewer will have three to four times the capacity of the existing<br />
sewer and will service the CBD and the fast growing Docklands<br />
precinct, which is expected to be home to 20,000 residents and a<br />
workplace for 25,000 in 15 to 20 years' time.<br />
the MMsR is currently tracking ahead of schedule, under budget,<br />
and has successfully overcome many challenges encountered<br />
throughout construction. Early identification and mitigation of these<br />
challenges has been paramount in achieving many milestones<br />
on the project. Identifying potential risks and issues has been<br />
fundamental in planning for both the successful completion of<br />
construction, and the quality of the final product, which will service<br />
the city of Melbourne for another century.<br />
The new sewer will have three to four times<br />
the capacity of the existing sewer and<br />
will service the CBD and the fast growing<br />
Docklands precinct, which is expected to be<br />
home to 20,000 residents and a workplace for<br />
25,000 in 15 to 20 years' time.<br />
Final tunnel breakthrough.<br />
Looking ahead<br />
With fresh climate extremes breaking records in 2010-11, the<br />
importance of a robust network of water supply, drainage and<br />
sewerage infrastructure has become clearer than ever. Mr Corluka<br />
said that as Melbourne Water works towards the completion of the<br />
MMsR, and looks ahead to the next infrastructure installation and<br />
rehabilitation projects, trenchless technology will continue to assist<br />
in the delivery of their works.<br />
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pROdUCts ANd seRvICes<br />
<strong>July</strong> <strong>2012</strong> - <strong>Trenchless</strong> <strong>International</strong><br />
44<br />
the short and tall of pipe<br />
rehabilitation<br />
The water and sewage infrastructure renovation market is particularly challenged by pipes with<br />
extremely large or extremely small diameters – spiral-wound pipe lining provides one of the most<br />
minimally invasive techniques for these difficult pipe ranges.<br />
SPIRAL-WounD PIPe LInInG was<br />
developed in Australia in 1978 under the<br />
name sPIREX and marketed for the first<br />
time under the name Rib Loc in 1979. In<br />
situations where standard liners would be<br />
challenged by these impossible operating<br />
limits, the spiral winding technique provides<br />
a novel solution.<br />
forming a pipe from a plastic strip<br />
A winding machine is positioned in the<br />
shaft and produces a new pipe by either<br />
pushing or pulling the growing spiralwound<br />
pipe through the structure being<br />
rehabilitated. this process works due to the<br />
design of the profile strip; the edges of the<br />
strip have friction and a tongue-and-groove<br />
locking system. Or, in special cases, the<br />
tongue-and-groove locking is replaced by<br />
a welded joint.<br />
structural and engineering features that<br />
distinguish spiral-wound lining from other<br />
rehabilitation techniques include:<br />
• Completely trenchless installation<br />
• Minimum reduction of pipe diameter<br />
• Caters to all static loading conditions<br />
• Mechanical, chemical and thermal<br />
resistance to sewage<br />
• same service life as a new pipe<br />
• Rapid completion of the work without<br />
disturbing the urban or environmental<br />
conditions above ground.<br />
A representative from sekisui says “the<br />
available spiral-wound pipe technologies are<br />
ideal for pipes with unusually large or small<br />
diameters. For instance, below a certain<br />
dimension – approximately DN800 mm –<br />
cured-in-place pipe (CIPP) liners can be<br />
difficult to fit through shaft structures.<br />
“to install a CIPP for these diameters,<br />
the shaft cone is often removed or work<br />
is performed using an installation trench.<br />
trenches are also often utilised for lining<br />
short pipe sections in nominal sizes that are<br />
large enough for a person to enter.<br />
Schematic diagram of the spiral-wound pipe lining SPR PE (Ribline).<br />
“Comparatively, the endless profile strip<br />
for a spiral-wound pipe always fits through<br />
an inspection shaft, regardless of the size of<br />
the structure. In these cases, spiral-wound<br />
pipe technology provides the most minimally<br />
invasive rehabilitation solution on the market.”<br />
forms of spiral-wound pipe lining<br />
since 1978 several techniques have<br />
evolved, which are now marketed almost<br />
exclusively by the sPR Group and deployed<br />
SPR oval profile in Munich city centre. European record for SPR PE: liner with a length of 281 m and DN 2,750 mm in Le Pecq, France.<br />
A SPR profile strip via a standard inspection shaft.<br />
by subsidiaries KMG and Rabmer in Europe,<br />
Heitkamp in the Us, and licensed partners<br />
in Asia.<br />
SPR ex (expanda)<br />
Due to demand for a flexible liner that<br />
could be adapted to varying nominal widths<br />
of the old pipe, sekisui Rib Loc developed<br />
the sPR EX – a spiral-wound pipe capable<br />
of expansion.<br />
It still employs PVC strips, but the strip<br />
utilises double tongue-and-groove locking.<br />
the primary lock is designed to be able to<br />
slide after being wound. the secondary lock<br />
binds during the winding process, however,<br />
a special cutting wire is also wound into the<br />
pipe that can ‘unlock’ it. the pipe is wound<br />
to a smaller diameter than required and when<br />
the target shaft is reached, the cutting wire<br />
is pulled. this progressively cuts the bonded<br />
secondary lock along its entire length. When<br />
the liner is fixed in place in the end shaft, the<br />
liner slides in the primary lock and expands<br />
radially until it lies against the wall of the pipe<br />
as a close-fit. sPR EX is used in circular<br />
profiles in the range DN200–750 mm.<br />
SPR Ro (Rotaloc)<br />
the sPR RO technique, known on the<br />
market as ROtALOC method, can currently<br />
be used in circular profiles DN800–1,800 mm,<br />
and is not limited by the material of the pipe<br />
being rehabilitated. the system is based on<br />
endless PVC profile reinforced by t-bars, with<br />
single tongue-and-groove profile locking that<br />
ensures lasting friction-locking in the windings.<br />
SPR Pe (Ribline)<br />
the sPR PE system uses an HDPE strip<br />
which is reinforced with fully encapsulated<br />
steel strips.<br />
the profile is not joined via tongueand-groove<br />
locking, but continuously<br />
Profile cross section of the SPR system.<br />
Profile cross section of the SPR EX system.<br />
welded by an extrusion welding machine<br />
connected to the winding machine. the<br />
winding unit is stationary in the shaft and<br />
the liner is wound into the sewer from<br />
it. the annular space is sealed in order<br />
to stabilise the position of the liner. sPR<br />
PE can currently be used for sizes up to<br />
DN3,000 mm, and is a virtually unrivalled<br />
trenchless rehabilitation technique for this<br />
large diameter range.<br />
Special profiles: the SPR method<br />
A representative from sekisui says “A<br />
step forward in the evolution of spiral-wound<br />
pipe technology was the development of<br />
the sPR process by the sekisui Chemical<br />
Co. the advantage of the sPR is that it<br />
allows pipes of any geometry to be wound –<br />
up to a nominal diameter of DN5,500 mm.”<br />
the sPR process uses PVC and integrates<br />
a w-shaped steel profile for reinforcement<br />
into the profile strip. similar to sPR RO, the<br />
winding frame is not stationary in the shaft,<br />
but moves through the structure ahead of<br />
the liner.<br />
though the pipe is not touching the<br />
structure being rehabilitated, and therefore<br />
cannot draw on it for structural integrity,<br />
the strength of a sPR installed does not<br />
solely depend on the liner. the pipe is<br />
installed with a precisely defined diameter<br />
and exactly centred when secured in the<br />
sewer. A system of spacers ensures that<br />
Profile cross section of the SPR PE system.<br />
the required annular space is uniform<br />
throughout. the annular space is filled<br />
section by section with fast-flowing, quicksetting<br />
mortar during the winding process.<br />
the sPR liner then acts as a shell for<br />
the installed mineral wall – and the wall’s<br />
strength dictates the static performance<br />
data of the entire system. the new wall<br />
is also permanently separated from the<br />
sewage by the PVC liner, which eliminates<br />
attacks of sulphuric acid on unprotected,<br />
cement-bound surfaces.<br />
A representative from sekisui says “sPR<br />
is often the only rehabilitation solution for<br />
problematic large profile structures with<br />
extremely poor accessibility – only requiring<br />
a standard inspection shaft for entry. sPR<br />
can also achieve bends, which allows<br />
renewal of historical central sewer networks<br />
which contain frequent bends.”<br />
pROdUCts ANd seRvICes<br />
<strong>July</strong> <strong>2012</strong> - <strong>Trenchless</strong> <strong>International</strong> 45
pROJeCts<br />
<strong>July</strong> <strong>2012</strong> - <strong>Trenchless</strong> <strong>International</strong><br />
46<br />
A burst of inspiration<br />
in Germany<br />
Here <strong>Trenchless</strong> <strong>International</strong> looks at two pipe bursting case studies where STG Braunsberg uses<br />
Tracto-Technik equipment for fast installation to fight rising flood waters and to renovate pipe under<br />
a busy road.<br />
A race against the Rhine floods<br />
stG Braunsberg, operated by brothers<br />
Günter and Hermann Braunsberg, were<br />
awarded a pipe bursting contract replacing<br />
pipes near Germany’s Rhine River. the<br />
company was given a construction time<br />
frame of just twelve weeks in order to avoid<br />
rising seasonal groundwater. Investigation<br />
ground bores were sunk to a depth of 8 m.<br />
the bores revealed the groundwater level<br />
had not been reached, and with a working<br />
pit depth of roughly 7 m it was still necessary<br />
to constantly check the level of the Rhine<br />
River and to be ready for all eventualities.<br />
Within the twelve week construction<br />
period, the operating pits had to be<br />
constructed, the pipe replacement<br />
completed, the pits had to be re-filled and<br />
the ground surface reinstated.<br />
the main operations focus of stG is<br />
cable installation and canal construction,<br />
however the area of trenchless renewal<br />
and repair of pipes is an expanding area<br />
of the company. stG has made significant<br />
investments in pipe bursting technology,<br />
and owns three static Grundoburst<br />
machines, manufactured by tracto-technik;<br />
a Grundoburst 400 s with 40 t of pulling<br />
force, a Grundoburst 800 G with 80 t of<br />
Crews lowering the 1 m single pipe lengths into the installation pit.<br />
pulling force, and the company’s largest and<br />
most recently obtained machine, a 2,500 G<br />
with 250 t of pulling force. stG’s drilling<br />
inventory covers trenchless renewals by pipe<br />
bursting for pressure and sewage pipes up<br />
to ND1,000 mm.<br />
Despite the challenges posed by the water<br />
levels and short time frame, stG was able to<br />
utilise tracto-technik equipment to get the<br />
job completed on schedule.<br />
stG Company Director Günter Braunsberg<br />
said “We are convinced by the technical and<br />
economic advantages of pipe bursting. In<br />
comparison to open trenching, there can<br />
be great savings on civil engineering from<br />
reduced construction times, depending on<br />
the installation depth. the pipe bursting<br />
method allows for a pipe diameter increase<br />
from one to two nominal widths. Also, almost<br />
all pipe materials can be cracked and pulled<br />
in. From my point of view, pipe bursting<br />
technology can be applied more often than<br />
contractors and planners assume.”<br />
under the roads of Düsseldorf<br />
In Düsseldorf, the renewal of the project<br />
was a worn out 127 m long concrete water<br />
pipe of ND500 mm, installed in the 1950s.<br />
the pipe ran under the intersection at the<br />
Rhine Allee and Paris street, situated outside<br />
the Heerdter Hospital. to further complicate<br />
the project, the pipe ran along the centre of<br />
the road.<br />
During the pipe bursting project, traffic<br />
access to the hospital could not be<br />
interrupted in any way. this meant that<br />
all traffic passing through the site, and<br />
local residents and busses would still need<br />
access through the works. It was also<br />
important that access was maintained to<br />
most parking spaces. Due to these strict<br />
conditions, use of open-trenching was out<br />
of the question.<br />
Tough terrain<br />
Ground investigations showed that the<br />
area around the old pipe was a ‘binding’<br />
soil (comprised of a loam-sand mixture<br />
and loamy sand), which would ordinarily<br />
rule-out the pipe bursting method. Also,<br />
the old pipe was being expanded from<br />
500–610 mm diameter, which would<br />
displace the surrounding soil. Because the<br />
old pipe was lying on a concrete footing,<br />
soil displacement downwards would not<br />
be possible. Due to compact soils, the<br />
depth of the pipe would create higher<br />
displacement resistances.<br />
the section of pipeline being replaced<br />
required three separate installations of 40 m,<br />
43 m and 44 m lengths. the machine pit<br />
was 6.8 m deep, 6.5 m long and 2.5 m<br />
wide. Head pits measured 4 m by 2 m and<br />
were excavated diagonally to the pipeline, to<br />
account for the road intersection. the pipe<br />
installation pit at the end of the bursting path<br />
was also constructed parallel to the pipeline,<br />
with a length of 3 m and a width of 2 m.<br />
Safe investigations<br />
Due to the close proximity of the hospital,<br />
it was important to make sure the installation<br />
caused as little vibration as possible, so all<br />
pits were equipped with supporting sheet<br />
boards. Furthermore, the supply mains and<br />
waste disposal lines had to be carefully<br />
investigated and secured when constructing<br />
the pits.<br />
there was also a possibility the site<br />
rested on wartime explosives. the KBD<br />
(the explosives disposal squad) concluded<br />
it was only necessary to carry out safety<br />
investigations in the pit areas – rather than<br />
the entire project site – because the pipe<br />
bursting technique would allow a safe<br />
distance for crews. safety inspections<br />
showed the site was void of explosives, and<br />
the project could progress.<br />
After pit construction, crews could<br />
begin installing the Grundoburst 2,500 G<br />
bursting rig. Initial plans were to use the<br />
Grundoburst 1,250 bursting rig. However,<br />
as ground investigations revealed expected<br />
soil displacement resistance, stG decided<br />
a greater pulling capacity was needed and<br />
chose the Grundoburst 250 G. the rig is<br />
operated using a tt B 250 hydraulic power<br />
pack (127 kW motor effective capacity).<br />
Bursting with QuickLock<br />
A special characteristic of Grundoburst<br />
technology is the QuickLock bursting rod,<br />
which works by being pushed through the old<br />
pipe, then reversing the rod with the bursting<br />
tool, expander and new pipe attached. the<br />
advantage of QuickLock rods is that the single<br />
burst rods are linked together and therefore<br />
don’t require assembly by screwing, which<br />
makes them less time consuming to install<br />
and less susceptible to dirt lodging in the<br />
connections. the rods for this project were<br />
140 mm in diameter.<br />
In order to keep the pits as small as<br />
possible, stG decided to use the bursting<br />
method with 1 m, 560 mm in diameter<br />
sections, manufactured by Egeplast. the<br />
Innovators in <strong>Trenchless</strong> since 1962<br />
Pipe bursting<br />
with the proven<br />
cutting technology<br />
sL PP-B pipe is manufactured with PP-HM<br />
material, which has a high E-Module rate. this<br />
gives a high strength and surface hardness,<br />
and the pipe’s smooth inner surface and<br />
low roughness ratings improve its hydraulic<br />
performance. the pipe also has a bright<br />
inner colour, which is inspection friendly and<br />
provides optimum conditions for camera<br />
inspection. the joint seal system, with the<br />
triple-lip-seal, is locked by clicking together.<br />
When reversing the bursting rods,<br />
the old pipe was broken open with a<br />
630 mm diameter expander and the new<br />
pipe was then simultaneously pulled into the<br />
same path. In the installation pit, the pipe<br />
length was extended with rods and pipe<br />
lengths. to achieve this, the single pipes<br />
and the expander had to be tensioned<br />
tightly together with a hydraulically<br />
operated Burstfix unit. the tensile strength<br />
is transferred via a rod – also with the<br />
QuickLock function – of 54 mm diameter,<br />
which runs through the continually extending<br />
pipe length. A guiding track was applied in<br />
order to connect the single pipe lengths as<br />
quickly as possible.<br />
shortly ahead of the third head pit, after<br />
approximately 80 m of the 130 m installation,<br />
the pulling forces reached almost 200 t.<br />
Fortunately, the flexibility of the Grundoburst<br />
system allowed crews to overcome this<br />
obstacle. the engineers from stG decided<br />
to unhook the pipe length that had already<br />
Hardest Burst • rigid, reliable technology • QuickLock rods<br />
5 machine types • pulling force from 40 - 250 t • simple handling<br />
TRACTO-TECHNIK GmbH & Co. KG · P.O.Box 4020 · D 57356 Lennestadt<br />
Phone: +49 2723 808238 · Email: export@tracto-technik.de · www.tracto-technik.com<br />
Crews lowering the 1 m single pipe lengths into<br />
the installation pit.<br />
been pulled in, and continued to assemble<br />
the single pipe sections for the remainder<br />
of the bore path. this reduced the pulling<br />
force immensely and allowed for the bursting<br />
process to be completed safely.<br />
pROJeCts<br />
<strong>July</strong> <strong>2012</strong> - <strong>Trenchless</strong> <strong>International</strong> 47
INspeCtION ANd CONdItION AssessMeNt<br />
<strong>July</strong> <strong>2012</strong> - <strong>Trenchless</strong> <strong>International</strong><br />
48<br />
working through<br />
the life cycle<br />
Barthauer Software GmbH is a medium-sized German software engineering company with more than<br />
25 years of experience in developing infra-informatics solutions – solutions for infrastructure<br />
management. It is highly specialised in modelling infrastructure networks on intelligent and secure<br />
database structures.<br />
The CoMPAny’S MAIn product is an<br />
advanced network information system<br />
entitled BasYs, a leading software used<br />
to design, operate and manage water,<br />
sewer, natural gas and cable-infrastructure<br />
networks. BasYs offers engineering tools<br />
for all process steps in the life cycle of a<br />
network line.<br />
BasYs offers far-reaching and flexible<br />
application possibilities. According to the<br />
modular structure, users only buy those<br />
functions they actually need. A multiplatform<br />
concept permits direct use in all<br />
common CAD and GIs programs such<br />
as Autodesk, Bentley, Bricsys, Esri and<br />
Intergraph. thanks to extensive scalability,<br />
clients can easily adapt BasYs to the size<br />
of their project.<br />
BasYs has a great import and export<br />
functionality as it supports all established<br />
standards – for instance DIN-EN 13508-2<br />
formats. the system can also be expanded<br />
for compliance with additional bodies of<br />
rules and regulations.<br />
the synchroniser function on the BasYs,<br />
which is used to receive data from external<br />
software programs and subsequently transfer<br />
them back, allowing for the information to be<br />
perfectly integrated into existing It software<br />
architectures. Barthauer’s consultants develop<br />
corresponding concepts when needed and<br />
assist with their implementation.<br />
the BasYs database structures are<br />
transparent. Barthauer has been protecting<br />
the network data of their customers across<br />
BaSYS<br />
software generations for more than 20<br />
years. Barthauer’s support staff also assists<br />
their customers beyond everyday problems.<br />
BasYs thereby offers continuity and ultimate<br />
investment security.<br />
visit us at <strong>Trenchless</strong> Asia<br />
Barthauer will be exhibiting and presenting<br />
its software at the upcoming trenchless<br />
Asia Conference and Exhibition, to be held<br />
in singapore. Interested attendees should<br />
make sure to stop by and visit the company<br />
at booth X34 in the German Pavilion.<br />
If you don’t have time to visit and see the<br />
software at the show you can view BasYs<br />
can be viewed on Barthauer’s Youtube<br />
channel – http://www.youtube.com/user/<br />
Barthauersoftware<br />
Do not miss to visit us:<br />
software to capture · collect · design · manage · continue · calculate · operate · rehabilitate<br />
Barthauer has been protecting the network data of their<br />
customers across software generations for more than 20 years.<br />
the advanced<br />
Network Information System Sewer Water Natural-Gas Cable<br />
German Pavilion<br />
Booth X34<br />
To make an appointment for the <strong>Trenchless</strong> Asia<br />
event email Barthauer@barthauer.de or<br />
visit www.barthauer.com for more information.<br />
Sixth <strong>International</strong> Exhibition and Conference on <strong>Trenchless</strong> Technology<br />
Exhibition & Conference: 2 - 4 <strong>July</strong> <strong>2012</strong> | Marina Bay Sands, Sands Expo and Convention Centre, Singapore<br />
BaSYS facilitates the work throughout the<br />
lifecycle of supply and disposal networks.<br />
■ Network design & hydraulic calculations<br />
■ Asset Management & condition assessment<br />
■ Supports all major GIS & CAD-Systems<br />
■ Mobile confi gurable applications<br />
■ and much more...<br />
www.barthauer.com<br />
Visit www.piperehabconf.com for more information<br />
‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹ Exhibition and sponsorship opportunities still available ‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹<br />
Organized by<br />
15 – 18 October <strong>2012</strong><br />
Berlin, Germany
COMpANy News<br />
<strong>July</strong> <strong>2012</strong> - <strong>Trenchless</strong> <strong>International</strong><br />
50<br />
how to capture more customers<br />
with content marketing<br />
An innovative marketing whitepaper has been released by Infrastructure Marketing Solutions, a division<br />
of industry publisher Great Southern Press. Here, Jacinta Hannaford, Infrastructure Marketing Solutions<br />
Manager, outlines the importance of implementing content marketing strategies to promote your company.<br />
The TRenChLeSS InDuSTRy is a<br />
competitive market, and potential clients<br />
do their research before they even reach for<br />
the phone.<br />
Constant changes in the industry mean<br />
that the market can be difficult to navigate<br />
and tap into, often creating a competitive<br />
environment even in sectors where there<br />
are few industry players.<br />
On top of this, the widespread use of<br />
the Internet for personal and business use<br />
means that prospective clients of trenchless<br />
businesses now have a lot more power than<br />
they did in the 1990s and even 2000s.<br />
Marketing must now take time to engage<br />
prospective clients, who are spending<br />
more time on researching and educating<br />
themselves.<br />
All of this means that companies have<br />
to work even harder to get their message<br />
across by properly blending traditional<br />
and new marketing techniques, which<br />
has caused content marketing to grow in<br />
popularity.<br />
“Content marketing is a strong instrument<br />
to have in your marketing toolkit, but to do it<br />
successfully you need to stop thinking like a<br />
marketer and start thinking like a publisher,”<br />
says Ms Hannaford.<br />
“Publishers are experts in considering the<br />
information needs of their audience in order<br />
to pull them to their media channels.”<br />
About the whitepaper<br />
the Infrastructure Marketing solutions’<br />
whitepaper, titled The ultimate guide to<br />
capturing more customers with content<br />
marketing, will be made available to all<br />
new and renewed <strong>Trenchless</strong> <strong>International</strong><br />
magazine subscriptions for a limited<br />
time only.<br />
Ms Hannaford says that this resource will<br />
help businesses in the industry understand<br />
how to create and implement strategic<br />
content marketing that creates profitable<br />
results from customers.<br />
the whitepaper includes:<br />
• Content marketing fundamentals<br />
• Integrating content marketing with<br />
traditional marketing<br />
• Putting together your content marketing<br />
plan<br />
• ten most used forms of content marketing<br />
• What platforms to use for your content<br />
marketing objectives<br />
• Measuring performance<br />
• three templates to get you started<br />
• Content marketing checklist.<br />
Constant changes in the<br />
industry mean that the market<br />
can be difficult to navigate<br />
and tap into, often creating a<br />
competitive environment even<br />
in sectors where there are<br />
few industry players.<br />
Renew your subscription to <strong>Trenchless</strong> <strong>International</strong> today to receive a complimentary copy of<br />
The ultimate guide to capturing more customers with content marketing. To renew visit<br />
www.trenchlessinternational.com/subscribe or call +61 3 9248 5100. Offer ends <strong>July</strong> 31.<br />
Our secret<br />
to marketing<br />
that works?<br />
We know<br />
trenchless.<br />
Infrastructure Marketing<br />
Solutions creates customised<br />
promotion for businesses in<br />
infrastructure.<br />
It is a new division of Great<br />
Southern Press, the publisher of<br />
<strong>Trenchless</strong> <strong>International</strong> magazine.<br />
This gives our team unique<br />
expertise in the infrastructure<br />
industry to create integrated<br />
marketing communication<br />
campaigns that infl uence and<br />
persuade your audiences.<br />
Contact<br />
+61 3 9248 5100 | jhannaford@gs-press.com.au<br />
trenchlessinternational.com/services
COMpANy News<br />
<strong>July</strong> <strong>2012</strong> - <strong>Trenchless</strong> <strong>International</strong><br />
52<br />
trenchless online shop launched<br />
<strong>Trenchless</strong> <strong>International</strong> has launched a brand new online shop to provide <strong>Trenchless</strong> Technology<br />
professionals with published papers, how-to guides, wall-charts and additional materials to help<br />
readers expand their trenchless knowledge.<br />
<strong>Trenchless</strong> InTernaTIonal PRovIDeS<br />
the world’s dedicated trenchless<br />
professionals with industry news and expert<br />
commentary, and has just launched an<br />
online shop to provide even more valuable<br />
information to the trenchless industry.<br />
Essential resources from select suppliers,<br />
hosted on the <strong>Trenchless</strong> <strong>International</strong> online<br />
shop, can be shared by trenchless teams to<br />
keep the industry innovative and up-to-date<br />
with contemporary issues, challenges and<br />
technology in the trenchless industry.<br />
<strong>Trenchless</strong> <strong>International</strong> will deliver the<br />
following resources to trenchless technology<br />
professionals through the online shop:<br />
• How-to guides<br />
• Published papers<br />
• trenchless technology wall charts<br />
• subscriptions<br />
• And more!<br />
Visit the <strong>Trenchless</strong> <strong>International</strong><br />
shop to browse our products at<br />
www.trenchlessinternational.com/shop<br />
GET THE VERY<br />
BESTPEOPLE<br />
Finding the right person can be hard. If you’re<br />
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Our website reaches 5,000 of the best thinkers<br />
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that your listing will be seen by the right people.<br />
That’s the equivalent of 500 boardrooms fi lled<br />
with the very best candidates!<br />
Get the very best, list your job today.<br />
Industry<br />
reports<br />
Maps s<br />
Projects<br />
ddatabases<br />
How-to<br />
guides<br />
Directories<br />
Wall W charts<br />
Subscriptions Su ptions Whitepapers<br />
W<br />
Sell your trenchless resources in our online shop!<br />
Our website reaches a dedicated trenchless audience worldwide.<br />
If you think you have a resource that would be suitable for the<br />
<strong>Trenchless</strong> Technology industry and would like us to host in on our<br />
online store, contact us at query@trenchlessinternational.com<br />
To purchase job listings, visit<br />
www.trenchlessinternational.com/jobs<br />
or call 03 9248 5100.<br />
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TRI_Jobs_HP_<strong>2012</strong>.indd 1 10/05/12 9:30 AM<br />
Premium<br />
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A comprehensive e-guide on how to gain more customers<br />
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• Marketing plan template.<br />
Our secret to marketing that works? We know trenchless.<br />
www.trenchlessinternational.com/shop
ReLINING tOOLs<br />
<strong>July</strong> <strong>2012</strong> - <strong>Trenchless</strong> <strong>International</strong><br />
54<br />
Rejuvenating<br />
an old seoul<br />
Korea Water Resources Corporation was able to celebrate the<br />
completion of Phase 1 of the Seoul Metropolitan Multi-regional<br />
Water Supply System Rehabilitation Project after five years<br />
of design and construction. The May ceremony saw many<br />
distinguished guests in attendance including Japan Society for<br />
<strong>Trenchless</strong> Technology Chairman Taigo Matsui and ISTT Executive<br />
Sub-Committee member Robert Toyoda.<br />
The state of pipes prior to rehabilitation.<br />
ConSTRuCTeD In 1979, the seoul<br />
metropolitan area raw water conveyance<br />
facility was deteriorating. the owner of the<br />
facility, Korea Water Resources Corporation<br />
(K-Water), took on the challenge of<br />
rehabilitating the facility.<br />
After careful consideration of the<br />
workability, environmental aspects and<br />
economic feasibility, K-Water decided<br />
to rehabilitate the more than 30-year-old<br />
pipeline with dry-type automated equipment.<br />
Dry-type automated equipment has<br />
many advantages compared to traditional<br />
trench methods, such as reducing the<br />
time required from construction, minimising<br />
environmental pollution, and reducing civil<br />
complaints and construction costs.<br />
the process involves dewatering and<br />
removing residue then drying the inside of<br />
the pipeline to scrape and blast the surface<br />
to prepare it for the primary and then<br />
secondary painting.<br />
this was the first time dry-type automated<br />
equipment was adapted to large diameter<br />
water supply pipelines.<br />
Project overview<br />
the facilities, which were built between<br />
1973–1978, include an intake pumping<br />
station with a capacity of 1.2 million<br />
cubic m per day and a 91.5 km steel<br />
Equipment performing the ‘scraping’ process.<br />
pipeline with a diameter ranging from<br />
800–2,800 mm. there was also an 8.5 km<br />
aqueduct tunnel with a diameter ranging<br />
from 2,800–3,500 mm.<br />
Located in seoul City, the project scope<br />
included rehabilitating 53.9 km of the 800–<br />
2,800 mm pipeline in the following lengths:<br />
• 2,800 mm – 3.4 km<br />
• 2,600 mm – 1 km<br />
• 2,200 mm – 47.9 km<br />
• 1,800 mm – 1.6 km.<br />
During the rehabilitation project there were<br />
24 temporary manhole units over 32 km of<br />
pipe. the interval between two temporary<br />
manholes was approximately 1–2 km. Many<br />
of the sections contained double pipes. With<br />
the double pipelines, K-Water was able to<br />
supply water to consumers via one pipeline<br />
while the other was being rehabilitated.<br />
Once the temporary manholes were in<br />
place, the contractors drained off the water<br />
to a nearby river or rain water system by<br />
Blasting equipment removing old paint so a surface treatment can be applied.<br />
ReLINING tOOLs<br />
<strong>July</strong> <strong>2012</strong> - <strong>Trenchless</strong> <strong>International</strong> 55
ReLINING tOOLs<br />
<strong>July</strong> <strong>2012</strong> - <strong>Trenchless</strong> <strong>International</strong><br />
56<br />
use of gravity or a pumping station. the<br />
next step was to remove the residue by<br />
waterjetting. the pressure was kept under<br />
200 bar and the water drainage rate was<br />
18 metres per hour.<br />
Keeping it dry<br />
It was important that the inside of the<br />
pipelines maintained an adequate dryness<br />
for quality control.<br />
“to control the relative humidity, we had<br />
to keep it below 85 per cent and wind<br />
speed between 1.5 metres per second to<br />
3 metres per second,” K-Water’s Yong<br />
Hoon Chang said.<br />
For the scraping and blasting process, the<br />
project removed an average of 3,000 μm of<br />
existing paint. Complying with ssPC-sP10,<br />
K-Water removed the closed dried-paint<br />
and applied a surface treatment that<br />
would maintain at least 50μRz in surface<br />
illumination intensity.<br />
Primary painting was completed within<br />
four hours after the surface treatment,<br />
which was done to maintain more than<br />
500 μm in painting thickness. this was<br />
inspected once completed.<br />
The equipment<br />
“the process was simplified through<br />
repetitive forward-backward work within the<br />
pipe and by letting the equipment travel a<br />
1 km distance in one run, the construction<br />
was able to be completed in a promptly<br />
manner,” Mr Chang said.<br />
A single input of equipment eliminates<br />
allows contractors to maximise the primer<br />
painting time within the four hours.<br />
Advantages<br />
K-Water said that this project has<br />
shown the many advantages over drytype<br />
automated rehabilitation. Using this<br />
trenchless method maximised the economic<br />
effects by reducing traffic restrictions<br />
and compensating costs through the<br />
deteriorated pipeline.<br />
Mr Chang said “We could save $KRW206<br />
billion ($Us196 million) in construction costs<br />
compared to new construction. Also we have<br />
social and indirect economic effects such as<br />
no traffic jams, reduction of atmospheric<br />
pollution, dust scattering and noise.<br />
“We extended a 30-year-old pipeline’s<br />
lifetime by more than 20 years, by<br />
rehabilitation.”<br />
K-water, Gs E&C and ssangyong E&C<br />
take an advanced and leading position in<br />
the field of large water pipeline rehabilitation<br />
by improved technology development.<br />
After careful consideration of<br />
the workability, environmental<br />
aspects and economic<br />
feasibility, K-Water decided<br />
to rehabilitate the more than<br />
30-year-old pipeline with drytype<br />
automated equipment.<br />
PrOjeCt stats<br />
Location: Seoul City<br />
Period: 2007–2011<br />
Design: 2007–2008<br />
Construction: 2008–2011<br />
Construction costs: $KRW<br />
84.6 billion ($US80.6 million)<br />
Owner: K-Water<br />
supervision: Korea<br />
Construction Management<br />
Corporation (60 per cent),<br />
Dohwa Engineering<br />
(40 per cent)<br />
Contractor: GS Engineering<br />
& Construction (40 per cent),<br />
Ssangyong Engineering &<br />
Construction (37 per cent),<br />
Dongyang Engineering &<br />
Construction (23 per cent).<br />
Equipment used in the project on display at the project completion ceremony.<br />
K-Water personnel inspect the new liner. ISTT representatives inspect the completed works.<br />
DOWNUNDER<br />
Sydney Convention and Exhibition Centre<br />
1–4 September 2013<br />
ISTT 31 st <strong>International</strong> No-Dig<br />
ASTT 10 th National Conference and Exhibition<br />
www.nodigdownunder.com
ResINs<br />
<strong>July</strong> <strong>2012</strong> - <strong>Trenchless</strong> <strong>International</strong><br />
58<br />
Renovating pressure pipes<br />
using the CIpp process<br />
By Kaleel Rahaim, Business Manager Remediation Polymers Interplastic Corporation<br />
The cured-in-place pipe process has been used since the early 1970s to renovate deteriorated<br />
pipelines. The process was first developed for gravity pipelines and has found some limited applications<br />
in renovating pressure pipelines.<br />
CuRRenTLy oveR 12 million ft<br />
(3.9 million meters) of pipelines are being<br />
renovated annually in North America using<br />
the cured-in-place pipe (CIPP) process.<br />
Many more pipelines around the world are<br />
being renovated using this process.<br />
Designing the liner to be cost effective<br />
is a key component utilising this process<br />
successfully. the liner must perform as a<br />
new pipe and last a defined amount of time.<br />
In gravity pipes, liner failure is generally<br />
due to buckling. the liner simply cannot<br />
support the loads to which it is exposed.<br />
the design of these liners takes those<br />
loads into account. the design equations<br />
consider the loads, hydraulic, soil and any<br />
dynamic loads. the equations basically<br />
consider flexural properties in the design of<br />
Renovating pipe using CIPP.<br />
Currently over 12 million feet (3.9 million metres) of pipelines are<br />
being renovated annually in North America using the cured-inplace<br />
pipe (CIPP) process. Many more pipelines around the world<br />
are being renovated using this process.<br />
a gravity pipe CIPP liner. tensile properties<br />
are only considered for the inversion or pull<br />
in place forces that may be exerted on a<br />
liner prior to final liner installation.<br />
the stiffness (flexural modulus) of the<br />
liner is dependent on the resin used as well<br />
as the construction protocol. the felt bag<br />
contributes nothing to the ultimate physical<br />
properties of the constructed liner. It acts<br />
primarily as a carrier for the resin.<br />
For several years there have been limited<br />
applications utilising the CIPP process to<br />
renovate pressure pipelines. some of the<br />
most common pipelines being renovated<br />
include force mains, gas transmission<br />
lines and a small number of drinking water<br />
lines. Limitations in products available and<br />
dependable processing methods have<br />
to date limited using CIPP for renovating<br />
pressure lines. Many of those limitations are<br />
being addressed or have been addressed<br />
and the future of CIPP in that market looks<br />
promising. Estimates for the number of linear<br />
feet of pressure pipelines that need renovation<br />
exceed the number of feet of gravity pipelines<br />
that need renovation.<br />
Renovating pressure pipelines<br />
Renovating a pressure pipeline is a very<br />
different operation. A new set of physical<br />
property concerns as well as new construction<br />
methods must now be considered.<br />
In gravity lines, buckling concerns<br />
determine the design equations. In pressure<br />
lines, tensile properties become important.<br />
Liner failure is generally due to internal<br />
tensile forces. the thermoset resins alone<br />
in a felt liner are generally not capable of<br />
satisfying the mechanical property needs<br />
of most pressure lines. With this in mind,<br />
liner engineering becomes important. the<br />
liners constructed for the CIPP process for<br />
pressure pipes are either liners constructed<br />
entirely of reinforcement media or that<br />
contain reinforcing media. this media may be<br />
fiberglass, aramid fibers, or carbon fibers, or<br />
a combination of the above. Felt may also be<br />
included in the ‘hybrid’ systems.<br />
the resins used may also be different<br />
than those used for gravity lines. Vinyl ester<br />
and epoxy resins are the more commonly<br />
used thermoset resins for pressure lines.<br />
the mechanical properties of the resins<br />
designed for pressure pipes work in<br />
synergism with the reinforcing media and<br />
the fatigue resistance is much better than for<br />
polyester resins. Fatigue is a phenomenon<br />
that deteriorates liner properties due to<br />
‘flexing’ of the liner caused by pressure<br />
variations in the line.<br />
Designing liners for pressure lines is a much<br />
more complicated process requiring a very<br />
clear definition of the variables associated<br />
with the project and the construction of<br />
the liner. Adhesion between the resin used<br />
and the reinforcement is crucial in reaching<br />
optimum mechanical properties.<br />
Along with different liners and different<br />
resins, the processing of CIPP liners in<br />
pressure applications is different. since<br />
there is no easy access to pressure lines,<br />
some digging is generally required to<br />
access the deteriorated pipe to be relined.<br />
Reinstating any services in the pressure line<br />
is also a more complicated procedure than<br />
for gravity lines.<br />
With pressure lines, adhesion between<br />
the liner and host pipe must be taken<br />
into consideration. If there is adhesion,<br />
lateral considerations are different than<br />
if no adhesion exists. Designing a lateral<br />
reinstatement that is pressure tight is<br />
crucial. Knowing if the liner will adhere to<br />
the host pipe long term is also important.<br />
In gravity lines, estimating the liner<br />
service life is accomplished by using<br />
flexural creep calculations. In pressure<br />
lines, tensile creep will be used to define<br />
service life. Creep analysis considers the<br />
deterioration of tensile properties over time<br />
and under stress. After 10,000 hours of<br />
actual data, a regression line is plotted<br />
through the data points. the formula for<br />
the regression line is used to extrapolate<br />
a data point at 50 years. that ‘long-term’<br />
value will be used in the design calculations<br />
to construct the liner.<br />
While the CIPP process is not new, use<br />
of this process is relatively new. As raw<br />
materials become available to provide the<br />
needed properties, and as contractors<br />
develop the process to install, CIPP liners<br />
used to successfully renovate pressure<br />
pipelines is no longer a ‘thing of the future’.<br />
To learn more about CIPP, visit<br />
www.trenchlessinternational.com/resource/category/cipp/389<br />
ResINs<br />
<strong>July</strong> <strong>2012</strong> - <strong>Trenchless</strong> <strong>International</strong> 59
Istt esC pROFILe<br />
<strong>July</strong> <strong>2012</strong> - <strong>Trenchless</strong> <strong>International</strong> 5<br />
60<br />
minutes with Gerda hald<br />
<strong>Trenchless</strong> <strong>International</strong> introduces you to the members of the ISTT Executive Sub-Committee. Here we<br />
speak to Gerda Hald from the Scandinavian Society for <strong>Trenchless</strong> Technology, who has been helping<br />
the industry develop for over 25 years.<br />
how did you first become involved<br />
in the trenchless industry?<br />
During my engineering study, I worked for<br />
a short period of time for a contractor on a<br />
pipe bursting job. I gained an insight into a<br />
very progressive industry and already at that<br />
time, 25 years ago, I hoped to be a part of<br />
that development.<br />
Which organisation are you from<br />
and how long have you been on<br />
the executive Sub-Committee?<br />
I am working for VCs Denmark, the third<br />
largest water and wastewater company<br />
in Denmark. We operate six waterworks,<br />
14 wastewater treatment plants and<br />
3,400 km of water and wastewater pipeline<br />
network. I am responsible for planning and<br />
investments, and as a part of that the use<br />
of no-dig technologies for both rehabilitation<br />
and installation of new pipes.<br />
In 2001, I was elected for the first time<br />
to the scandinavian society for trenchless<br />
technology (sstt) board and I became a<br />
member of the Danish workgroup, and in<br />
2010 I was elected chairman of sstt. My<br />
involvement in sstt led to an interest in the<br />
Istt and I joined the EsC in 2008. At the<br />
board meeting in Berlin 2011 I was elected<br />
for my second period on the EsC.<br />
What has been the most<br />
memorable project you worked on?<br />
I have worked on a lot of memorable<br />
projects over the years, and tried many<br />
no-dig methods for both drinking, waste<br />
and rain water pipes. I have worked with<br />
many imaginative and creative contractors,<br />
and together we have solved a wide variety<br />
of problems.<br />
A very memorable project for me was<br />
my involvement in establishing the Danish<br />
Quality Control schemes. the scheme is an<br />
impartial and voluntary system established<br />
by the No-Dig Group (part of the Danish<br />
Construction Association) after years of<br />
pressure from some of the largest Danish<br />
municipalities. I was Chairman of the Control<br />
Committee for the Control scheme when it<br />
was founded in 1997; I was one of the three<br />
members representing the users.<br />
What do you see as the most<br />
important role and/or<br />
responsibility of the ISTT?<br />
the most important role of the Istt is to<br />
be known worldwide as the society where<br />
you can find, learn and discuss all matters<br />
concerning trenchless technology. the<br />
Istt has a responsibility to all the Affiliated<br />
societies, especially in helping ensure a<br />
fruitful co-operation and assist in providing<br />
information and knowledge concerning<br />
no–dig technologies.<br />
how do industry initiatives such<br />
as conferences and publications<br />
help you in promoting <strong>Trenchless</strong><br />
Technology in your country?<br />
Istt and sstt conferences make<br />
it possible to be informed about new<br />
knowledge, to discuss current issues,<br />
and learn from others’ experiences.<br />
Conferences, workshops and the<br />
magazines help to spread knowledge about<br />
possibilities and experiences.<br />
What are some of the main<br />
challenges your country is facing<br />
with <strong>Trenchless</strong> Technology and<br />
how do you think these can be<br />
overcome?<br />
I believe that trenchless technology is<br />
well known and used in the scandinavian<br />
countries. Yet there still remains a potential<br />
to expand the use of the technology. I think<br />
that the need for us to be mush more aware<br />
of the carbon footprint of the work carried<br />
out will be a vital factor for the use, and<br />
for extending the use, of no-dig methods.<br />
the challenge we face now is to be able<br />
to prove the actual footprint and then<br />
take the carbon footprint into account in a<br />
reasonable way.<br />
The most important role of the ISTT is to be known worldwide as the society where you can find,<br />
learn and discuss all matters concerning <strong>Trenchless</strong> Technology.<br />
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<strong>July</strong> <strong>2012</strong> - <strong>Trenchless</strong> <strong>International</strong><br />
62<br />
visit<br />
www.istt.com<br />
for further<br />
information.<br />
About Istt/Membership<br />
the Istt is the umbrella organisation for trenchless technologists in over<br />
30 countries of the world. In 30 countries, groups of trenchless technologists<br />
have their own national groups that are affiliated, while the remainder are<br />
registered directly with the Istt.<br />
trenchless technology covers the repair, maintenance, upgrade and new<br />
installation of underground utility services using equipment and techniques<br />
which avoid or considerably reduce the need for excavation. the Istt promotes<br />
research, training and the more extensive use of trenchless technology through<br />
publications, co-operation with other NGOs, an annual international conference<br />
and an interactive website.<br />
trenchless technology is recognised as an environmentally sustainable<br />
technology and is particularly suited for use in densely populated urban areas<br />
by reducing disruption to people’s daily lives, social costs (traffic congestion,<br />
damage to road surfaces and buildings, air quality), noise and dust. trenchless<br />
technologies also have a considerably reduced carbon footprint compared to<br />
trenching in most situations.<br />
Contacts and addresses of Affiliated societies<br />
Austrian Association for <strong>Trenchless</strong><br />
Technology (AATT)<br />
Osterreichische Vereinigung fur grabenloses<br />
Bauen und Instandhalten von Leitungen<br />
(OGL)<br />
schubertring 14A–1015 Wien<br />
Austria<br />
Phone: +43 1 513 15 88/26<br />
Fax: +43 1 513 15 88/25<br />
Email: boccioli@oegl.at<br />
Web: www.oegl.at<br />
Brazil Association for <strong>Trenchless</strong><br />
Technology (ABRATT)<br />
Al. Olga, 422 cj. 126, Barra Funda – CEP<br />
0155-040, sao Paulo – sP<br />
Brazil<br />
Phone : +55 (11) 3822 2084<br />
Fax: +55 (11) 3822 2084<br />
Email: secretaria@abratt.org.br<br />
Web: www.abratt.org.br<br />
Australasian Society for <strong>Trenchless</strong><br />
Technology (ASTT)<br />
18 Frinton Place, Greenwood, WA 6024<br />
Australia<br />
Phone: +61 (0)8 9420 2826<br />
Fax: +61 (0)8 9343 5420<br />
Email: jeffpace@astt.com.au<br />
Web: www.astt.com.au<br />
Bulgarian Association for <strong>Trenchless</strong><br />
Technology (BATT)<br />
Koprinka Lake Village, Kazanlak, 6100<br />
Bulgaria<br />
Phone: +359 2 4901381<br />
Fax: +359 431 63776<br />
Email: info@batt-bg.org<br />
Web: www.batt-bg.org<br />
China hong Kong Society for<br />
<strong>Trenchless</strong> Technology (ChKSTT)<br />
10/F Hing Lung Commercial Building,<br />
68–74 Bonham strand East<br />
Hong Kong<br />
Fax: +852 81487764<br />
Email: info@chkstt.org<br />
Web: www.chkstt.org<br />
Colombia Institute for Subterranean<br />
Infrastructure Technologies and<br />
Techniques (CISTT)<br />
Calle 70 A No. 20-36, Bogotá<br />
Colombia<br />
Phone: +571 211 05 97<br />
Fax: +571 210 49 85<br />
Email: juan.gutierrez@epm.com.co<br />
China Society of Geology – <strong>Trenchless</strong><br />
Technology Committee (CSTT)<br />
Room 151, 26 Baiwanzhuang street,<br />
Xicheng District, Beijing 100037, P R<br />
China<br />
Phone: +86-10-6899 2605<br />
Fax: +86-10-6899 2605<br />
Web: www.cstt.org<br />
China Taipei Society for <strong>Trenchless</strong><br />
Technology (CTSTT)<br />
3F, No.92, sec. 4, Roosevelt Rd.,<br />
Zhongzheng Dist., taipei City 100<br />
taiwan<br />
Phone: +886 2 2362 0939<br />
Fax: +886 2 8369 5171<br />
Email: hann@twd.gov.tw<br />
Czech Society for <strong>Trenchless</strong><br />
Technology (CzSTT)<br />
Bezova <strong>16</strong>58/1, 147 14 Praha 4<br />
Czech Republic<br />
Phone: +420 244 062 722<br />
Fax: +420 244 062 722<br />
Email: office@czstt.cz<br />
Web: www.czstt.cz<br />
finnish Society for <strong>Trenchless</strong><br />
Technology (fiSTT)<br />
Pl 493, 00101 Helsinki<br />
Finland<br />
Phone: +358 10 409 5951<br />
Fax: +358 10 332 6603<br />
Email: mika.nevala@poyry.com<br />
Web: www.fistt.net<br />
french Society for <strong>Trenchless</strong><br />
Technology (fSTT)<br />
4 rue des Beaumonts, F-94120 Fontenay<br />
sous Bois<br />
France<br />
Phone: +33 1 53 99 90 20<br />
Fax: +33 1 53 99 90 29<br />
Email: fstt@fstt.org<br />
Web: www.fstt.org<br />
German Society for <strong>Trenchless</strong><br />
Technology (GSTT)<br />
Messedamm 22, D-14055 Berlin<br />
Germany<br />
Phone: +49 30 3038 2143<br />
Fax: +49 30 3038 2079<br />
Email: beyer@gstt.de<br />
Web: www.gstt.de<br />
Italian Association of <strong>Trenchless</strong><br />
Technology (IATT)<br />
Via Ruggero Fiore, 41, 00136 Rome<br />
Italy<br />
Phone: +39 06 39721997<br />
Fax:+39 06 91254325<br />
Email: iatt@iatt.info<br />
Web: www.iatt.it<br />
Iberian Society for <strong>Trenchless</strong><br />
Technology (IbSTT)<br />
C/ Josefa Valcarcel, 8 – 3a PtLA., 28027<br />
Madrid<br />
spain<br />
Phone: +34 91 418 23 44<br />
Fax: +34 91 418 23 41<br />
Email: ibstt@ibstt.org<br />
Web: www.ibstt.org<br />
japan Society for <strong>Trenchless</strong><br />
Technology (jSTT)<br />
3rd Nishimura BLDG., 2-11-18 tomioka,<br />
Koto-ku, tOKYO 135-0047<br />
Japan<br />
Phone: +81 3 5639 9970<br />
Fax: +81 3 5639 9975<br />
Email: office@jstt.jp<br />
Web: www.jstt.jp<br />
Lithuanian Association of <strong>Trenchless</strong><br />
Technology (LIATT)<br />
V.Gerulaicio str. 1, Lt-08200 Vilnius<br />
Lithuania<br />
Phone: +370 5 2622621<br />
Fax: +370 5 2617507<br />
Email: arturas.abromavicius@sweco.lt<br />
Web: www.lbta.eu<br />
north American Society for <strong>Trenchless</strong><br />
Technology (nASTT)<br />
<strong>16</strong>55 North Fort Myer Drive ste 700,<br />
Arlington, Virginia 22209<br />
UsA<br />
Phone: +1 703 351 5252 (Us)<br />
OR +1 613 424 3036 (Canada)<br />
Fax: +1 613 424 3037 (also Membership)<br />
Email: info@nastt.org<br />
Web: www.nastt.org<br />
netherlands Society for <strong>Trenchless</strong><br />
Technology (nSTT)<br />
Postbus 483, 2700 AL Zoetermeer<br />
the Netherlands<br />
Phone: +31 (0)79 3252265<br />
Fax: +31 (0)79 3252294<br />
Email: info@nstt.nl<br />
Web: www.nstt.nl<br />
Polish foundation for <strong>Trenchless</strong><br />
Technology (PfTT)<br />
AL. 1000 - Lecia P.P. 7, Budynek A/4.37<br />
25-314 Kielce<br />
Poland<br />
Phone: +48 41 3424 450 (600328459)<br />
Email: akulicz@tu.kielce.pl<br />
Web: www.pftt.pl<br />
Romanian Society for <strong>Trenchless</strong><br />
Technology (RoSTT)<br />
2 Drumul Mare, Comuna Clinceni, jud. Ilfov,<br />
077060<br />
Romania<br />
Email: gabriela.banu@rostt.ro<br />
or dan.ulian-szekely@rostt.ro<br />
Web: www.rostt.ro<br />
Russian Society for <strong>Trenchless</strong><br />
Technology (RSTT)<br />
Moscow area, Odintsovskii region, Marfino,<br />
99, 143025,<br />
Russian Federation<br />
Phone: +7 (495) 771 71 00<br />
Fax: +7 (495) 771 71 00<br />
Email: np-robt@mail.ru, robt@co.ru<br />
www.robt.ru<br />
Southern African Society for <strong>Trenchless</strong><br />
Technology (SASTT)<br />
PO Box 13048, Clubview 0014<br />
south Africa<br />
Phone: +27 (12) 567 4026<br />
Fax: +27 (12) 567 4026<br />
Email: director@sastt.org.za<br />
Web: www.sastt.org.za<br />
South european Society for <strong>Trenchless</strong><br />
Technology (SeSTT)<br />
Industry zone A47, 4208 Šenčur<br />
sLOVENIA<br />
Email: gregor.janc@sanikom.si<br />
Scandinavian Society for <strong>Trenchless</strong><br />
Technology (SSTT)<br />
Box 7072, s-174 07 stockholm<br />
sweden<br />
Phone: +46 8 522 122 90<br />
Fax: + 46 8 522 122 02<br />
Email: lennart.berglund@stockholmvatten.se<br />
Web: www.sstt-skandinavien.com<br />
Singapore Society for <strong>Trenchless</strong><br />
Technology (SgSTT)<br />
80 toh Guan Road East, WaterHub 608575<br />
singapore<br />
Phone: +65 9712 4054<br />
Email: imail@sgstt.org.sg<br />
Web: www.sgstt.org.sg<br />
Turkish Society for Infrastructure and<br />
<strong>Trenchless</strong> Technology (TSITT)<br />
Kuyumcukent Kompleksi Yan Hizmet<br />
Bolumu Zemin Kat 11. sok. No:17<br />
Yenibosna Bahcelievler Istanbul tR<br />
turkey<br />
Phone: +90 212 603 11 01<br />
Fax: +90 212 603 11 02<br />
Email: info@akated.com<br />
Web: www.akated.com<br />
ukraine Association for Modern<br />
<strong>Trenchless</strong> Technology (uAMTT)<br />
9A R.Karmen str., Odessa 65044,<br />
Ukraine<br />
Phone: (380 482) 356305<br />
Fax: (380 482) 356305<br />
Email: no_dig@blacksea.net.ua<br />
Web: www.no-dig.odessa.ua<br />
united Arab emirates Society for<br />
<strong>Trenchless</strong> Technology (uAeSTT)<br />
Visit www.istt.com for more information.<br />
united Kingdom Society for <strong>Trenchless</strong><br />
Technology (uKSTT)<br />
38 Holly Walk, Leamington spa,<br />
Warwickshire, CV32 4LY<br />
UK<br />
Phone: +44 (0)1926 330 935<br />
Fax: +44 (0)1926 330 935<br />
Email: admin@ukstt.org.uk<br />
Web: www.ukstt.org.uk<br />
<strong>July</strong> <strong>2012</strong> - <strong>Trenchless</strong> <strong>International</strong> 63
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ADveRTISeRS’ InDex<br />
american augers 41<br />
aquapipe 43<br />
Barbco inc. 27<br />
Barthauer software Gmbh 48<br />
Borouge pte Ltd 21<br />
hammerhead (eTC) 3<br />
hanlyma<br />
hermes Technologie<br />
19<br />
Gmbh & Co. KG 37<br />
horizontal Technology, inc 7<br />
Fixing pipeline problems <strong>2012</strong> 49<br />
iMpreG Gmbh 29<br />
infrastructure Marketing solutions 51<br />
isTT No-Dig <strong>2012</strong> sao paulo 15<br />
isTT No-Dig Down under 2013 57<br />
Mears Group, inc. 59<br />
mts perforator Gmbh 5<br />
No-Dig Berlin 2013 23<br />
per aarsleff a/s OBC<br />
prime horizontal iFC<br />
saertex Multicom Gmbh 31<br />
scandinavian No Dig Centre 25<br />
sekisui spr europe Gmbh 39<br />
siteTec BV 13<br />
Tracto-Technik 47<br />
<strong>Trenchless</strong> <strong>International</strong> Jobs iBC, 52<br />
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