PLANT PROFILE
Las Vegas Paving's Blue Diamond Pit runs tons of sand, gravel, and rock through its primary plant, most of which is used right in Las Vegas.
took out the wash system, added on a
few different circuits, and put in a couple
more plants."
Material processing
The aggregate material produced at Blue
Diamond Pit is mostly sand and gravel,
with some rock. "There's not a big rock
in this pit, 5 inches is about the largest,"
Nielson explains, "It's not like a rock
quarry, so we don't have to blast at all.
It's all manageable with a wheel loader
and a dozer."
In the pit, material is pushed down
by dozers, scooped up by wheel loaders,
and dumped into a feed bin that, in turn,
places it on a conveyor that runs across
the bottom and up the side of the pit to
the primary processing plant. "While
we're conveying it up, we're pulling out
90 percent of the fines right off the bat,"
Nielson says.
Once the material reaches the processing plant, it is screened, sized, and
sorted. Any oversize material is routed
to the crusher and run back through the
processing plant.
"We have a pretty neat system," Nielson says. "Once the material comes off
the processing plant, it goes to a stockpile. Our stockpiles are right over a big
tunnel. Conveyors running through the
tunnel pull aggregate from the product
piles and take it right to the asphalt plant.
So we don't have to handle the material
again."
The material is used mainly for road
base and to supply the asphalt plant on
site. "We can diversify, make different
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6/26/13 10:20 AM
AGGREGATES MANAGER August 2013
7/8/13 9:40 AM
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