Chemical Engineering August 2022 - 46

hydraulic cylinder.
Palletizer. A palletizer machine utilizes
electric and pneumatic actions
to move and load finished product
onto wooden pallets (Figure 4). Similar
to other machines, the palletizer
has a crushing hazard and a pinchpoint
hazard, with the potential for
broken bones or amputation. Safety
measures are planned to prevent
these from happening. A robot palletizer
is one option to meet safety
standards in this application.
Overcoming major challenges
Throughout this ongoing project,
there have been a few challenges
to overcome. The biggest challenge
was that this was a large, ongoing
international project with more
than one standard that needed to
be implemented across several international
and U.S. locations. This
required an in-depth knowledge on
the intent of all the standards, as
well as how to properly implement
them within these complex applications.
This also proved challenging
when finding suppliers for the
project. Some manufacturers may
certify to FM standards, but not to
ATEX standards, meaning that certain
items could not necessarily be
used globally.
In light of these challenges, the
company put together a team
with third-party partners that have
branches in many countries and
include broad expertise and knowledge
in the safety industry internationally,
with active members on a
wide range of safety standardization
committees. Another important factor
was to develop vendor-agnostic
solutions that meet safety standards
regardless of what type of equipment
has been installed in each facility. A
final challenge is ensuring that the
proper validation is carried out for the
developed risk and safety plans. The
validation phase is a comprehensive
point-to-point check to ensure everything
identified in the risk-mitigation
strategy and engineered during
the functional safety design of controls
has been implemented properly
during installation.
n
Edited by Mary Page Bailey
Liston was the
Americas, Inc.
Authors
Carolyn Reifsteck is the manager
of business consulting for safe productivity
at SICK, Inc. (6900 W.
110th St.,
Minneapolis,
MN
55438; Phone: 800-325-7425;
Email:
info@sick.com). For over
seven years, Reifsteck has provided
support for customers at
SICK on safety solutions and services.
She is currently the manager
for the safe productivity team, focused on providing safety
services, including risk assessments, engineering consultations,
validation and commissioning consults and more.
Paul Hensy is a safety solution
specialist at SICK, Inc. With over 25
years of experience in the industrial
safety industry, Hensy is an experienced
safety specialist with a demonstrated
history of providing
support for process control, engineering,
control systems design,
business development, and process
automation. He has been with
SICK for over 11 years.
regional
Chris Liston is a sales manager
at SICK, Inc. In this role, he is responsible
for working with key international
customers and top-tier
engineering firms in the process
automation space. He has spent
most of his career working in the
oil-and-gas industry, with the last
seven years specifically in process
automation. Before joining SICK,
sales manager of HIMA
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Chemical Engineering August 2022

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