NFPA Journal - May/June 2019 - 16
Feedback
contracted or whether the owner of the
cold storage also owns the stored products. If the facility is contract storage,
then it has little if any responsibility
for the insurance of the stored goods,
meaning a reliance solely on sprinkler
protection is probably justified. If there
is a common owner of the facility and
the stored goods, then sprinkler protection alone is inadequate, as 90 percent
of the insured facility and goods will be
lost in any fire, with or without sprinkler protection.
Currently, the sole means of fire
prevention for a cold storage facility,
including the contents, is the installation of a hypoxic, or oxygen-reduction,
system. This is a verifiable methodology that has been in use for many years
in the European Union, the Middle
East, and elsewhere. In the United
States, by contrast, these systems are
not well understood and there is little
application experience. The Fire Protection Research Foundation recently
produced a report on the topic, titled
16 | NFPA JOURNAL * M A Y / J U N E 2 0 1 9
"Review of Oxygen Reduction Systems
for Warehouse Storage Applications."
In my opinion, the report displayed an
absence of practical expertise, and I
requested that the Foundation remove
this document from its website, or at
least include a disclaimer as to the
incomplete nature of the document.
The Foundation has opted not to do
so, which effectively means that the US
market is left with minimal ability to
use this methodology.
New Zealand has had a performance-based building code for 28 years
that offers a platform for the application of alternative fire safety strategies,
and hypoxic systems have performed
well in warehouse storage applications.
I hope the US market will consider
that track record as it pursues new
methods for warehouse protection.
PAUL CLEMENTS
MSFPE, CMEngNZ, CPEng
Clements Consultants
Northland, New Zealand
Amanda Kimball, research director for
the Fire Protection Research Foundation, responds:
As Mr. Clements notes, the focus of the
recent NFPA Journal article concentrates on fire protection measures for
cold storage facilities rather than on
fire prevention.
The lack of use of hypoxic prevention methodologies in the United
States is due largely to the fact that
currently there is no US installation
standard for these systems, although
there are European standards and
an ISO standard under development.
Additionally, US codes offer a performance-based design option that would
at least allow for consideration of
hypoxic systems.
A final important point to consider with hypoxic systems is that
the Occupational Safety and Health
Administration requires that oxygendeficient atmospheres within working
environments are maintained at 19.5
percent oxygen.
http://bit.ly/wpifpe
http://bit.ly/wpifpe
NFPA Journal - May/June 2019
Table of Contents for the Digital Edition of NFPA Journal - May/June 2019
Contents
NFPA Journal - May/June 2019 - Cover1
NFPA Journal - May/June 2019 - Cover2
NFPA Journal - May/June 2019 - 1
NFPA Journal - May/June 2019 - 2
NFPA Journal - May/June 2019 - 3
NFPA Journal - May/June 2019 - 4
NFPA Journal - May/June 2019 - 5
NFPA Journal - May/June 2019 - Contents
NFPA Journal - May/June 2019 - 7
NFPA Journal - May/June 2019 - 8
NFPA Journal - May/June 2019 - 9
NFPA Journal - May/June 2019 - 10
NFPA Journal - May/June 2019 - 11
NFPA Journal - May/June 2019 - 12
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NFPA Journal - May/June 2019 - 16
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NFPA Journal - May/June 2019 - Cover3
NFPA Journal - May/June 2019 - Cover4
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