David Zanchetta, P.Eng., a sales and field services
representative for Berminghammer, says the EML 45
has earned rave reviews since it was introduced to the
Canadian market two years ago. There are currently
four units in use in Canada, including in northwestern
and southern Ontario, Quebec and Nova Scotia, and
the company expects to add units in Saskatchewan and
Alberta in the not-too-distant future.
One of the primary attractions of the EML 45 is its
portability – it can be carried in a single truckload – and
the reduced mobilization costs that come along with that.
Another feature that has sold clients on the unit,
says Zanchetta, is its high pile proving capacity. Its
10,000-pound drop hammer is large enough to prove
2,000 kilonewton (kN) capacity piles for bridges, which
is the equivalent of 4,000 kN of geotechnical resistance.
“It’s really taken off this year. Everyone loves the
capacity that you can get out of it and the fact you can get
into these remote and difficult to access areas,” he said.
“It’s been on jobs in the middle of Toronto and
Mississauga that are really tight between lanes of a highway
where you would never be able to get a crane in. It
can replace the capacity of a lead-and-crane system in
a much smaller package. There isn’t anything else out
there that can do it on a 45-ton excavator.”
The EML 45 is the latest iteration of
Berminghammer’s excavator-mounted piling system
which also comes in a 30-ton version. It’s ideal for projects
that require a small number of piles such as bridge
and pier abutments, and jobs where there is limited
space to mobilize equipment.
The system is relatively simple in its design. It features
a hydraulic cylinder between two sheave blocks
on the back of the unit’s lead. As it extends, it lifts the
hammer. When it retracts quickly, the hammer drops.
The key is the speed with which the cylinder retracts.
Another advantage of the EML 45, Zanchetta says, is
that the operator is in full control of the hammer at all
times compared to diesel hammers “where you basically
have to shut off the fuel system and by the time it shuts
off, you might get a couple more blows as the hammer
keeps coming down.”
Construction Polaris CMM was so satisfied with the
performance of the EML 45 in Papineauville that the
unit is already being used for a similar bridge project in
eastern Quebec that is nearly twice the size.
Zanchetta expects the number of EML 45s sold in
Canada to continue to rise steadily as more and more
construction and deep foundation companies learn
about the unit’s capabilities.
“This is a system that is really picking up steam right
now,” he said.
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60 Issue 4 2021 www.pilingcanada.ca