surfaces at variable depth and slope
without string lines. By controlling the
precise cutting depth of the mill, the
technology minimizes over-cutting,
creates a smoother surface, and reduces
the need for additional asphalt in the
ensuing resurfacing process.
“Our mandate was to complete
the work as accurately and quickly as
possible, getting traffic back on the
road,” Clark says. “e Trimble system
helped us cut the construction period in
half when compared to using traditional
methods. We also saw a reduction of
direct cost to the client, and minimized
disturbance to stakeholders”
Clark quickly added that another
significant benefit of using Trimble
machine control was it ensured a safer
work environment, by reducing the
number of staff required to undertake
the work with live traffic.
e project site was 120 meters long
and approximately 8-9 meters wide, so
Clark felt this machine was well-suited
for the task.
ere was no project design provided,
so Fulton Hogan’s surveyor Darren Maw
arrived early at the site on the first day
and using a Trimble SPS930 Universal
Total Station was able to capture the site
data. en, using Business Center—HCE
from Trimble, he was able to create a
digital site plan. Maw said he was able
to create the digital design within a few
hours, “the project was relatively straight
forward from a design perspective, all
we really needed was to make sure that
the geometry was right as far as the
surface, centerline, and where any water
would drain. So it was really just a case
of picking up the curbs and developing it
from there.”
Fulton Hogan literally began
milling the road by mid-morning and
completed it by early afternoon meaning
asphalt could be laid the next day.
“e paving contractor was able to
use our digital model to determine
paving depths,” says Clark. “We milled
the road to grade achieving a smooth
paving surface and allowing a nominal
thickness for the entire site. Only
existing services fell out of spec, so we
painted numbers to provide guidance
for the paver team.”
e project went very well and was
completed in less than two days. “We
were able to complete the job quickly,
accurately, and with fewer staff
because we were using the Trimble
system,” says Clark.
With the resurfacing completed and
traffic flowing, Clark now reflects: “In a
very short construction period, under
significant pressure we took a severely
deformed road surface and milled it to
grade using a model which we created.
e quality of Fulton Hogan plant,
the technology provided by Trimble,
teamed with the aptitude of Fulton
Hogan’s staff resulted in an incredibly
smooth ride. We’re extremely happy
with the results and know that the
commuters appreciate it too.”
MC
Jeff Winke is a business and construction
writer based in Milwaukee, Wis. He can be
reached through www.jeffwinke.com.
With the help of Trimble technology, Fulton Hogan literally began milling the road by mid-
morning and completed it by early afternoon, meaning asphalt could be laid the next day.
Displayed with permission • Machine Control Magazine • Vol. 3 No. 2 • Copyright 2013 Spatial Media • www.machinecontrolonline.com
(16 paginas)
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