47 NACE INTERNATIONAL: VOL. 56, NO. 3 MATERIALS PERFORMANCE MARCH 2017
COATINGS & LININGS ESSENTIALS
Continued f rom page 45
On top of the polyurea, the crew applied
a total of ~15 mils (381 µm) of polyurethane
finish in two coats. Into the first coat of this
epoxy material, they broadcast coal slag by
hand to any areas that would have foot
traffic.
e crew cleaned up excess slag with
brooms, shovels, and compressed air. "Coat-
ings Unlimited had a vecloader/industrial
vacuum cleaner at ground level connected
to an 8-in [203-mm] plant pipe. e crew
would shovel the spent abrasive into the
pipe at the work level, and it would fall to
ground level and be sucked through the
vecloader into a 30-yard [27.4-m] dump-
ster," Strupp explains. e crew applied the
second coat of polyurethane finish and
tested the thickness.
"We utilize daily toolbox
talks and implement
Jobsite Safety Analysis
forms on all projects."
"Creative Polymers had to monitor the
project extensively, providing the owner
with inspections and sign offs due to the in-
credibly dusty conditions and potential
inter-coat adhesion possibilities," explains
Jeff Jarboe of Creative Polymers.
Another test was used once the crew
had pulled off the termination tape. e cli-
ent hosed down the entire area and went
back in to see if there was water dripping
down below. "e water test worked well
and exposed only a few areas that needed to
be touched up," Strupp says. A two-person
crew from Coatings Unlimited plugged any
areas with either caulking or the polyurea
material. Once they cleaned out the pumps
with solvent, they were able to put a full
stop on the end of the month-long project.
According to Strupp, this was not only a
success for the client but also for his crew.
"e entire project team impressed me, as
this was far from a routine application,"
Strupp says. "One of the difficulties in such
a large facility of this type is just that: the
size of the facility." But the crew from
Coatings Unlimited, Inc. prevailed.
e complete version of this article,
written by CoatingsPro Editor Stephanie
Marie Chizik, was previously published in
December 2016 on coatingspromag.com.
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