Using CIPP Lining in Congested Areas Using CIPP - Aqua-Pipe

Using CIPP Lining
in Congested
Areas
Upscale Toronto
shopping district
avoids chaos utilizing
structural trenchless
technology
The Aqua-Pipe liner is being pulled-in place by Fer-Pal
Infrastructure’s team in Yorkville.
Encompassed by Davenport Road to the north,
Bloor Street to the south, Yonge Street to the east and
Avenue Road to the west lays Toronto’s premier shopping district: Yorkville. Yorkville now commands
rents of $300 per square foot, making it the 3rd most
expensive retail space in North America and also one
of the most heavily populated areas in Toronto. As it
is with most of the North American metropolitan
cities, some of Toronto’s water mains have reached a
venerable age of 120 years and are in desperate need
of attention to retain expected quality of service.
In May, 2009, the City commissioned Fer-Pal
Infrastructure, a leading trenchless solution provider
to rehabilitate their aged pipes without causing
much disturbance to the environment. The contract
was awarded to Fer-Pal Infrastructure, a leading
trenchless solution provider to rehabilitate over 2.2
kilometers of pipe in the Yorkville district. The AquaPipe technology was used as the CIPP (Cured in Place
Pipe) methodology in the course of 5 months. In an
area where the roads are on average width of 5
meters, traffic flow coordination was definitely a
concern. With utilities such as hydro, gas, sewer and
fiber optic buried underground, there is no room for
errors. These predicaments further provide to be a
barrier for pipe rehabilitation in urban areas.
A typical CIPP project consists of an epoxy resin
impregnated woven tube made of polyester which is
pulled into a deteriorated pipe. Little to no digging
is involved in this trenchless process, making for a
more environmentally friendly method. Next, hot
water is used to cure the epoxy and form a tight-fitting, jointless and corrosion-resistant replacement
pipe. Service laterals are restored internally with
robotically controlled cutting devices. The rehabilitated pipe is then inspected by closed-circuit television (CCTV). However, in this project, since the
services are to be upgraded (under Toronto’s Lead
Water Service Replacement Program) some
sequences were altered. Abandoned services are
located and milled till flush. Milling is essential in
increasing the liners contact surface to the pipe. The
new services are taped directly in the lined pipe
using the appropriate size of saddle.
The number one project challenge of any sort of
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Toronto, ON
construction is definitely the environment. Unlike
its predecessors though, going trenchless gives the
environment the flexibility of being more mobile.
According to Frank Garcea, the Senior Project
Manager at Fer-Pal, they worked around the clock to
cater to the Business Improvement Area (BIA) of
Yorkville. Extensive coordination with the business
With the temporary bypass in place and limited number of excavations, the structural rehabilitation turned out to be the most
viable solution to avoid chaos in the area.
owners were taken in order to minimize the effects
on their business. Frank further quoted that, “people have to realize that most business owners were
kept in session throughout the whole rehabilitation
process”.
Located in the heart of downtown, Yorkville was
also the home of this year’s TIFF (Toronto
International Film Festival). As celebrities rained in
for the TIFF, it was vital that the ongoing project did
not exhibit any sign of chaos. The City definitely
recognized the efforts of Fer-Pal to maintain the
unperturbed surroundings. As opposed to the traditional method where streets would be torn apart,
leaving uncovered holes just barricaded by tapes,
Fer-Pal’s methodology definitely provides a much
safer environment. Access pits which are dug at
strategic locations are covered with road plates
when work is not being done.
In accordance to Canada’s stance in “Going
Green”, Fer-Pal’s CIPP methodology (Aqua-Pipe)
definitely rakes in a huge plaudit. In an area that
has an annual daily traffic flow of thousands, going
trenchless means emitting 98% less carbon to the
• Cured In Place Pipe-Lining (CIPP) • Cement Mortar Lining
• Pipe Bursting • Slip Lining • Directional Drilling
SAFE ENVIRONMENTALLY FRIENDLY
TRENCHLESS WATER MAIN SOLUTIONS
FER-PAL Construction Ltd.
169 Fenmar Drive, North York, Ontario, Canada M9L 1M6
Phone: 416-742-3713 • Fax: 416-742-3889
Toll-free: 1-866-344-1058 • www.ferpal.ca • email: info@ferpal.ca
32
NASTT/GLSLA - Spring 2010 Trenchless Report
Toronto, ON
atmosphere. That means less traffic congestion, less trenching, and definitely less noise pollution.
Final result of a lined water main using
Aqua-Pipe.
City of Toronto Project Manager, David To vouched for going trenchless
in this part of town mainly because of the dense population in the area.
He reiterated that due to the location of the water main which is remotely
close to the buildings, a CIPP (Cured in Place Pipe) solution would go a
long way to not only satisfy the community but also to uphold Toronto’s
“Going Green” policy. David also revealed how surprised he was with the
almost non-existence of complaint calls from the home/business owners.
It is usually a perfect gauge of the success of a project.
It is also well known that going trenchless means consuming less of
the tax payer’s money. It allows
asset managers to make important
savings as opposed to traditional
methods. The average cost of lining
was approximately $450/m including temporary restoration, fire
hydrant and valve replacements
comparing to $900/m open cut.
However, as for indirect costs that
are not considered in the above figures, the City was able to upgrade
water distribution system much
faster (i.e. surveys, designs, duration
of work, employing the same alignment and etc.) with less impact and
disruption to communities and
businesses.
Do you have breaks or leaks
in your water distribution system?
Save Your Water, Visit
www.aqua-pipe.com
BENEFITS
• Regained structural capacity
• No damage to adjacent infrastructures
• Minimal disturbance to pavement foundation
• Less complaints from residents during work
• Increased pressure and flow capacity
• Corrosion resistance
• Reduced treatment and pumping costs
Low emissions of carbon dioxide
when compared to traditional
construction methods
Toll free: 1 800 -263-7870
a technology
developed by:
ENVIRONMENTAL SERVICES INC.
Upgrading sub-standard service
connections at the same time as
rehabilitation a water main proved
to be advantageous. The lead
replacement and cost savings are a
great motivation to performing the
upgrades. Furthermore, the City
will have a new distribution system
with less risk of having future
breaks at the water services as well
as at the main in its famous busy
neighborhood: Yorkville. Finally,
the impact on clients is reduced to
one single intervention as opposed to
performing multiple construction
activities in consecutive years as
structural water main rehabilitation
turned out to be the best viable solution for the context. S
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