Underground Construction - May 2018 - 28

Rock Trenching in the Desert
and Sons thought they would
have to change out the boom
for the shallow area, but rock
toward the surface was soft
enough they could still productively trench at those depths
with the longer boom.
"We wanted the boom on the
trencher between 45 degrees
and 90 degrees when trenching
in hard rock like this," explained
Sellers. "If we tried to run too
flat then the boom could have
bounced a bit. However, since
the top three to five feet were
softer, we didn't have to change
the boom out."
Sellers and Sons completed
trenching on the Goodyear project in just over two weeks - a
timeframe that impressed the
customer, crew and other contractors working nearby.

"A few years ago, we did a
project in the area similar to this
one, but we weren't dealing with
as much rock," Sellers said. "It
took us two weeks to get those
200 feet with an excavator and
hammer; the same amount of
time we spent trenching on the
whole Estrella job!"

Growing demand
One of the people to notice how
quickly the Sellers and Sons crew
wrapped up the Estrella Parkway
job was a contractor and friend
of Sellers and Holly dealing with
his own rocky nightmare on a
nearby project.
"Our friend's crew was working right next door at the Rosewood Golf Villas community,"
mentioned Sellers. "In the time
it took to complete our proj-

ect, they were only able to dig
around 200 with an excavator.
They weren't happy, and the
customer was getting concerned
about the growing costs involved with installing this new
waterline."
Their friend asked if Sellers
and Holly could bring the Vermeer trencher over to their job
when they were done. This job
has similar ground conditions,
trench depths and the need for
a parallel trench. The only difference was the size of the waterline, as it was smaller.
"We are just starting this job,
but we expect similar productivity," said Sellers. "The trencher
and our crew will be able to efficiently complete the project, and
that's a big deal for everyone."
Looking ahead, Sellers said

he sees the trencher as a means
through which his company can
reach a new area of work that it
couldn't before. Not only is the
machine opening new doors, it's
doing so efficiently.
"We have two more jobs in
the works once we're done with
this. We rented the T1155III
trencher for one job, and now
I'm not sure how long we will
continue to rent it," Sellers
said. "I think the whole area is
growing and the area developers
want to make sure they have the
necessary infrastructure in place
to keep up."
FOR MORE INFORMATION:
Sellers and Sons Inc.
Vermeer Corp., (888) 837-6337,
vermeer.com
Kennametal, (800) 446-7738,
kennametal.com

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Underground Construction - May 2018

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